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SUSE:SLE-12-SP3:GA
apache2.16072
apache2-mod_http2-1.14.1.patch
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File apache2-mod_http2-1.14.1.patch of Package apache2.16072
Index: httpd-2.4.23/modules/http2/config2.m4 =================================================================== --- httpd-2.4.23.orig/modules/http2/config2.m4 2019-04-02 13:39:34.060792511 +0200 +++ httpd-2.4.23/modules/http2/config2.m4 2019-04-02 13:39:34.256793490 +0200 @@ -31,7 +31,6 @@ h2_from_h1.lo dnl h2_h2.lo dnl h2_headers.lo dnl h2_mplx.lo dnl -h2_ngn_shed.lo dnl h2_push.lo dnl h2_request.lo dnl h2_session.lo dnl Index: httpd-2.4.23/modules/http2/h2_alt_svc.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_alt_svc.c 2019-04-02 13:39:34.064792531 +0200 +++ httpd-2.4.23/modules/http2/h2_alt_svc.c 2019-04-02 13:39:34.256793490 +0200 @@ -74,7 +74,7 @@ h2_alt_svc *h2_alt_svc_parse(const char static int h2_alt_svc_handler(request_rec *r) { - const h2_config *cfg; + apr_array_header_t *alt_svcs; int i; if (r->connection->keepalives > 0) { @@ -86,8 +86,8 @@ static int h2_alt_svc_handler(request_re return DECLINED; } - cfg = h2_config_sget(r->server); - if (r->hostname && cfg && cfg->alt_svcs && cfg->alt_svcs->nelts > 0) { + alt_svcs = h2_config_alt_svcs(r); + if (r->hostname && alt_svcs && alt_svcs->nelts > 0) { const char *alt_svc_used = apr_table_get(r->headers_in, "Alt-Svc-Used"); if (!alt_svc_used) { /* We have alt-svcs defined and client is not already using @@ -98,7 +98,7 @@ static int h2_alt_svc_handler(request_re const char *alt_svc = ""; const char *svc_ma = ""; int secure = h2_h2_is_tls(r->connection); - int ma = h2_config_geti(cfg, H2_CONF_ALT_SVC_MAX_AGE); + int ma = h2_config_rgeti(r, H2_CONF_ALT_SVC_MAX_AGE); if (ma >= 0) { svc_ma = apr_psprintf(r->pool, "; ma=%d", ma); } @@ -106,8 +106,8 @@ static int h2_alt_svc_handler(request_re "h2_alt_svc: announce %s for %s:%d", (secure? "secure" : "insecure"), r->hostname, (int)r->server->port); - for (i = 0; i < cfg->alt_svcs->nelts; ++i) { - h2_alt_svc *as = h2_alt_svc_IDX(cfg->alt_svcs, i); + for (i = 0; i < alt_svcs->nelts; ++i) { + h2_alt_svc *as = h2_alt_svc_IDX(alt_svcs, i); const char *ahost = as->host; if (ahost && !apr_strnatcasecmp(ahost, r->hostname)) { ahost = NULL; Index: httpd-2.4.23/modules/http2/h2_config.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_config.c 2019-04-02 13:39:34.192793170 +0200 +++ httpd-2.4.23/modules/http2/h2_config.c 2019-04-02 13:42:32.649683136 +0200 @@ -41,6 +41,55 @@ #define H2_CONFIG_GET(a, b, n) \ (((a)->n == DEF_VAL)? (b) : (a))->n +#define H2_CONFIG_SET(a, n, v) \ + ((a)->n = v) + +#define CONFIG_CMD_SET(cmd,dir,var,val) \ + h2_config_seti(((cmd)->path? (dir) : NULL), h2_config_sget((cmd)->server), var, val) + +#define CONFIG_CMD_SET64(cmd,dir,var,val) \ + h2_config_seti64(((cmd)->path? (dir) : NULL), h2_config_sget((cmd)->server), var, val) + +/* Apache httpd module configuration for h2. */ +typedef struct h2_config { + const char *name; + int h2_max_streams; /* max concurrent # streams (http2) */ + int h2_window_size; /* stream window size (http2) */ + int min_workers; /* min # of worker threads/child */ + int max_workers; /* max # of worker threads/child */ + int max_worker_idle_secs; /* max # of idle seconds for worker */ + int stream_max_mem_size; /* max # bytes held in memory/stream */ + apr_array_header_t *alt_svcs; /* h2_alt_svc specs for this server */ + int alt_svc_max_age; /* seconds clients can rely on alt-svc info*/ + int serialize_headers; /* Use serialized HTTP/1.1 headers for + processing, better compatibility */ + int h2_direct; /* if mod_h2 is active directly */ + int modern_tls_only; /* Accept only modern TLS in HTTP/2 connections */ + int h2_upgrade; /* Allow HTTP/1 upgrade to h2/h2c */ + apr_int64_t tls_warmup_size; /* Amount of TLS data to send before going full write size */ + int tls_cooldown_secs; /* Seconds of idle time before going back to small TLS records */ + int h2_push; /* if HTTP/2 server push is enabled */ + struct apr_hash_t *priorities;/* map of content-type to h2_priority records */ + + int push_diary_size; /* # of entries in push diary */ + int copy_files; /* if files shall be copied vs setaside on output */ + apr_array_header_t *push_list;/* list of h2_push_res configurations */ + int early_hints; /* support status code 103 */ + int padding_bits; + int padding_always; +} h2_config; + +typedef struct h2_dir_config { + const char *name; + apr_array_header_t *alt_svcs; /* h2_alt_svc specs for this server */ + int alt_svc_max_age; /* seconds clients can rely on alt-svc info*/ + int h2_upgrade; /* Allow HTTP/1 upgrade to h2/h2c */ + int h2_push; /* if HTTP/2 server push is enabled */ + apr_array_header_t *push_list;/* list of h2_push_res configurations */ + int early_hints; /* support status code 103 */ +} h2_dir_config; + + static h2_config defconf = { "default", 100, /* max_streams */ @@ -63,6 +112,18 @@ static h2_config defconf = { 0, /* copy files across threads */ NULL, /* push list */ 0, /* early hints, http status 103 */ + 0, /* padding bits */ + 1, /* padding always */ +}; + +static h2_dir_config defdconf = { + "default", + NULL, /* no alt-svcs */ + -1, /* alt-svc max age */ + -1, /* HTTP/1 Upgrade support */ + -1, /* HTTP/2 server push enabled */ + NULL, /* push list */ + -1, /* early hints, http status 103 */ }; void h2_config_init(apr_pool_t *pool) @@ -70,12 +131,10 @@ void h2_config_init(apr_pool_t *pool) (void)pool; } -static void *h2_config_create(apr_pool_t *pool, - const char *prefix, const char *x) +void *h2_config_create_svr(apr_pool_t *pool, server_rec *s) { h2_config *conf = (h2_config *)apr_pcalloc(pool, sizeof(h2_config)); - const char *s = x? x : "unknown"; - char *name = apr_pstrcat(pool, prefix, "[", s, "]", NULL); + char *name = apr_pstrcat(pool, "srv[", s->defn_name, "]", NULL); conf->name = name; conf->h2_max_streams = DEF_VAL; @@ -97,19 +156,11 @@ static void *h2_config_create(apr_pool_t conf->copy_files = DEF_VAL; conf->push_list = NULL; conf->early_hints = DEF_VAL; + conf->padding_bits = DEF_VAL; + conf->padding_always = DEF_VAL; return conf; } -void *h2_config_create_svr(apr_pool_t *pool, server_rec *s) -{ - return h2_config_create(pool, "srv", s->defn_name); -} - -void *h2_config_create_dir(apr_pool_t *pool, char *x) -{ - return h2_config_create(pool, "dir", x); -} - static void *h2_config_merge(apr_pool_t *pool, void *basev, void *addv) { h2_config *base = (h2_config *)basev; @@ -148,25 +199,52 @@ static void *h2_config_merge(apr_pool_t n->push_list = add->push_list? add->push_list : base->push_list; } n->early_hints = H2_CONFIG_GET(add, base, early_hints); + n->padding_bits = H2_CONFIG_GET(add, base, padding_bits); + n->padding_always = H2_CONFIG_GET(add, base, padding_always); return n; } -void *h2_config_merge_dir(apr_pool_t *pool, void *basev, void *addv) +void *h2_config_merge_svr(apr_pool_t *pool, void *basev, void *addv) { return h2_config_merge(pool, basev, addv); } -void *h2_config_merge_svr(apr_pool_t *pool, void *basev, void *addv) +void *h2_config_create_dir(apr_pool_t *pool, char *x) { - return h2_config_merge(pool, basev, addv); + h2_dir_config *conf = (h2_dir_config *)apr_pcalloc(pool, sizeof(h2_dir_config)); + const char *s = x? x : "unknown"; + char *name = apr_pstrcat(pool, "dir[", s, "]", NULL); + + conf->name = name; + conf->alt_svc_max_age = DEF_VAL; + conf->h2_upgrade = DEF_VAL; + conf->h2_push = DEF_VAL; + conf->early_hints = DEF_VAL; + return conf; } -int h2_config_geti(const h2_config *conf, h2_config_var_t var) +void *h2_config_merge_dir(apr_pool_t *pool, void *basev, void *addv) { - return (int)h2_config_geti64(conf, var); + h2_dir_config *base = (h2_dir_config *)basev; + h2_dir_config *add = (h2_dir_config *)addv; + h2_dir_config *n = (h2_dir_config *)apr_pcalloc(pool, sizeof(h2_dir_config)); + + n->name = apr_pstrcat(pool, "merged[", add->name, ", ", base->name, "]", NULL); + n->alt_svcs = add->alt_svcs? add->alt_svcs : base->alt_svcs; + n->alt_svc_max_age = H2_CONFIG_GET(add, base, alt_svc_max_age); + n->h2_upgrade = H2_CONFIG_GET(add, base, h2_upgrade); + n->h2_push = H2_CONFIG_GET(add, base, h2_push); + if (add->push_list && base->push_list) { + n->push_list = apr_array_append(pool, base->push_list, add->push_list); + } + else { + n->push_list = add->push_list? add->push_list : base->push_list; + } + n->early_hints = H2_CONFIG_GET(add, base, early_hints); + return n; } -apr_int64_t h2_config_geti64(const h2_config *conf, h2_config_var_t var) +static apr_int64_t h2_srv_config_geti64(const h2_config *conf, h2_config_var_t var) { switch(var) { case H2_CONF_MAX_STREAMS: @@ -190,7 +268,8 @@ apr_int64_t h2_config_geti64(const h2_co case H2_CONF_UPGRADE: return H2_CONFIG_GET(conf, &defconf, h2_upgrade); case H2_CONF_DIRECT: - return H2_CONFIG_GET(conf, &defconf, h2_direct); + return 1; + /*return H2_CONFIG_GET(conf, &defconf, h2_direct);*/ case H2_CONF_TLS_WARMUP_SIZE: return H2_CONFIG_GET(conf, &defconf, tls_warmup_size); case H2_CONF_TLS_COOLDOWN_SECS: @@ -203,12 +282,93 @@ apr_int64_t h2_config_geti64(const h2_co return H2_CONFIG_GET(conf, &defconf, copy_files); case H2_CONF_EARLY_HINTS: return H2_CONFIG_GET(conf, &defconf, early_hints); + case H2_CONF_PADDING_BITS: + return H2_CONFIG_GET(conf, &defconf, padding_bits); + case H2_CONF_PADDING_ALWAYS: + return H2_CONFIG_GET(conf, &defconf, padding_always); default: return DEF_VAL; } } -const h2_config *h2_config_sget(server_rec *s) +static void h2_srv_config_seti(h2_config *conf, h2_config_var_t var, int val) +{ + switch(var) { + case H2_CONF_MAX_STREAMS: + H2_CONFIG_SET(conf, h2_max_streams, val); + break; + case H2_CONF_WIN_SIZE: + H2_CONFIG_SET(conf, h2_window_size, val); + break; + case H2_CONF_MIN_WORKERS: + H2_CONFIG_SET(conf, min_workers, val); + break; + case H2_CONF_MAX_WORKERS: + H2_CONFIG_SET(conf, max_workers, val); + break; + case H2_CONF_MAX_WORKER_IDLE_SECS: + H2_CONFIG_SET(conf, max_worker_idle_secs, val); + break; + case H2_CONF_STREAM_MAX_MEM: + H2_CONFIG_SET(conf, stream_max_mem_size, val); + break; + case H2_CONF_ALT_SVC_MAX_AGE: + H2_CONFIG_SET(conf, alt_svc_max_age, val); + break; + case H2_CONF_SER_HEADERS: + H2_CONFIG_SET(conf, serialize_headers, val); + break; + case H2_CONF_MODERN_TLS_ONLY: + H2_CONFIG_SET(conf, modern_tls_only, val); + break; + case H2_CONF_UPGRADE: + H2_CONFIG_SET(conf, h2_upgrade, val); + break; + case H2_CONF_DIRECT: + H2_CONFIG_SET(conf, h2_direct, val); + break; + case H2_CONF_TLS_WARMUP_SIZE: + H2_CONFIG_SET(conf, tls_warmup_size, val); + break; + case H2_CONF_TLS_COOLDOWN_SECS: + H2_CONFIG_SET(conf, tls_cooldown_secs, val); + break; + case H2_CONF_PUSH: + H2_CONFIG_SET(conf, h2_push, val); + break; + case H2_CONF_PUSH_DIARY_SIZE: + H2_CONFIG_SET(conf, push_diary_size, val); + break; + case H2_CONF_COPY_FILES: + H2_CONFIG_SET(conf, copy_files, val); + break; + case H2_CONF_EARLY_HINTS: + H2_CONFIG_SET(conf, early_hints, val); + break; + case H2_CONF_PADDING_BITS: + H2_CONFIG_SET(conf, padding_bits, val); + break; + case H2_CONF_PADDING_ALWAYS: + H2_CONFIG_SET(conf, padding_always, val); + break; + default: + break; + } +} + +static void h2_srv_config_seti64(h2_config *conf, h2_config_var_t var, apr_int64_t val) +{ + switch(var) { + case H2_CONF_TLS_WARMUP_SIZE: + H2_CONFIG_SET(conf, tls_warmup_size, val); + break; + default: + h2_srv_config_seti(conf, var, (int)val); + break; + } +} + +static h2_config *h2_config_sget(server_rec *s) { h2_config *cfg = (h2_config *)ap_get_module_config(s->module_config, &http2_module); @@ -216,9 +376,162 @@ const h2_config *h2_config_sget(server_r return cfg; } -const struct h2_priority *h2_config_get_priority(const h2_config *conf, - const char *content_type) +static const h2_dir_config *h2_config_rget(request_rec *r) +{ + h2_dir_config *cfg = (h2_dir_config *)ap_get_module_config(r->per_dir_config, + &http2_module); + ap_assert(cfg); + return cfg; +} + +static apr_int64_t h2_dir_config_geti64(const h2_dir_config *conf, h2_config_var_t var) +{ + switch(var) { + case H2_CONF_ALT_SVC_MAX_AGE: + return H2_CONFIG_GET(conf, &defdconf, alt_svc_max_age); + case H2_CONF_UPGRADE: + return H2_CONFIG_GET(conf, &defdconf, h2_upgrade); + case H2_CONF_PUSH: + return H2_CONFIG_GET(conf, &defdconf, h2_push); + case H2_CONF_EARLY_HINTS: + return H2_CONFIG_GET(conf, &defdconf, early_hints); + + default: + return DEF_VAL; + } +} + +static void h2_config_seti(h2_dir_config *dconf, h2_config *conf, h2_config_var_t var, int val) +{ + int set_srv = !dconf; + if (dconf) { + switch(var) { + case H2_CONF_ALT_SVC_MAX_AGE: + H2_CONFIG_SET(dconf, alt_svc_max_age, val); + break; + case H2_CONF_UPGRADE: + H2_CONFIG_SET(dconf, h2_upgrade, val); + break; + case H2_CONF_PUSH: + H2_CONFIG_SET(dconf, h2_push, val); + break; + case H2_CONF_EARLY_HINTS: + H2_CONFIG_SET(dconf, early_hints, val); + break; + default: + /* not handled in dir_conf */ + set_srv = 1; + break; + } + } + + if (set_srv) { + h2_srv_config_seti(conf, var, val); + } +} + +static void h2_config_seti64(h2_dir_config *dconf, h2_config *conf, h2_config_var_t var, apr_int64_t val) { + int set_srv = !dconf; + if (dconf) { + switch(var) { + default: + /* not handled in dir_conf */ + set_srv = 1; + break; + } + } + + if (set_srv) { + h2_srv_config_seti64(conf, var, val); + } +} + +static const h2_config *h2_config_get(conn_rec *c) +{ + h2_ctx *ctx = h2_ctx_get(c, 0); + + if (ctx) { + if (ctx->config) { + return ctx->config; + } + else if (ctx->server) { + ctx->config = h2_config_sget(ctx->server); + return ctx->config; + } + } + + return h2_config_sget(c->base_server); +} + +int h2_config_cgeti(conn_rec *c, h2_config_var_t var) +{ + return (int)h2_srv_config_geti64(h2_config_get(c), var); +} + +apr_int64_t h2_config_cgeti64(conn_rec *c, h2_config_var_t var) +{ + return h2_srv_config_geti64(h2_config_get(c), var); +} + +int h2_config_sgeti(server_rec *s, h2_config_var_t var) +{ + return (int)h2_srv_config_geti64(h2_config_sget(s), var); +} + +apr_int64_t h2_config_sgeti64(server_rec *s, h2_config_var_t var) +{ + return h2_srv_config_geti64(h2_config_sget(s), var); +} + +int h2_config_geti(request_rec *r, server_rec *s, h2_config_var_t var) +{ + return (int)h2_config_geti64(r, s, var); +} + +apr_int64_t h2_config_geti64(request_rec *r, server_rec *s, h2_config_var_t var) +{ + apr_int64_t mode = r? (int)h2_dir_config_geti64(h2_config_rget(r), var) : DEF_VAL; + return (mode != DEF_VAL)? mode : h2_config_sgeti64(s, var); +} + +int h2_config_rgeti(request_rec *r, h2_config_var_t var) +{ + return h2_config_geti(r, r->server, var); +} + +apr_int64_t h2_config_rgeti64(request_rec *r, h2_config_var_t var) +{ + return h2_config_geti64(r, r->server, var); +} + +apr_array_header_t *h2_config_push_list(request_rec *r) +{ + const h2_config *sconf; + const h2_dir_config *conf = h2_config_rget(r); + + if (conf && conf->push_list) { + return conf->push_list; + } + sconf = h2_config_sget(r->server); + return sconf? sconf->push_list : NULL; +} + +apr_array_header_t *h2_config_alt_svcs(request_rec *r) +{ + const h2_config *sconf; + const h2_dir_config *conf = h2_config_rget(r); + + if (conf && conf->alt_svcs) { + return conf->alt_svcs; + } + sconf = h2_config_sget(r->server); + return sconf? sconf->alt_svcs : NULL; +} + +const struct h2_priority *h2_cconfig_get_priority(conn_rec *c, const char *content_type) +{ + const h2_config *conf = h2_config_get(c); if (content_type && conf->priorities) { size_t len = strcspn(content_type, "; \t"); h2_priority *prio = apr_hash_get(conf->priorities, content_type, len); @@ -227,166 +540,156 @@ const struct h2_priority *h2_config_get_ return NULL; } -static const char *h2_conf_set_max_streams(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_max_streams(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->h2_max_streams = (int)apr_atoi64(value); - (void)arg; - if (cfg->h2_max_streams < 1) { + apr_int64_t ival = (int)apr_atoi64(value); + if (ival < 1) { return "value must be > 0"; } + CONFIG_CMD_SET64(cmd, dirconf, H2_CONF_MAX_STREAMS, ival); return NULL; } -static const char *h2_conf_set_window_size(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_window_size(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->h2_window_size = (int)apr_atoi64(value); - (void)arg; - if (cfg->h2_window_size < 1024) { + int val = (int)apr_atoi64(value); + if (val < 1024) { return "value must be >= 1024"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_WIN_SIZE, val); return NULL; } -static const char *h2_conf_set_min_workers(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_min_workers(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->min_workers = (int)apr_atoi64(value); - (void)arg; - if (cfg->min_workers < 1) { + int val = (int)apr_atoi64(value); + if (val < 1) { return "value must be > 0"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_MIN_WORKERS, val); return NULL; } -static const char *h2_conf_set_max_workers(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_max_workers(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->max_workers = (int)apr_atoi64(value); - (void)arg; - if (cfg->max_workers < 1) { + int val = (int)apr_atoi64(value); + if (val < 1) { return "value must be > 0"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_MAX_WORKERS, val); return NULL; } -static const char *h2_conf_set_max_worker_idle_secs(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_max_worker_idle_secs(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->max_worker_idle_secs = (int)apr_atoi64(value); - (void)arg; - if (cfg->max_worker_idle_secs < 1) { + int val = (int)apr_atoi64(value); + if (val < 1) { return "value must be > 0"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_MAX_WORKER_IDLE_SECS, val); return NULL; } -static const char *h2_conf_set_stream_max_mem_size(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_stream_max_mem_size(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - - - cfg->stream_max_mem_size = (int)apr_atoi64(value); - (void)arg; - if (cfg->stream_max_mem_size < 1024) { + int val = (int)apr_atoi64(value); + if (val < 1024) { return "value must be >= 1024"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_STREAM_MAX_MEM, val); return NULL; } -static const char *h2_add_alt_svc(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_add_alt_svc(cmd_parms *cmd, + void *dirconf, const char *value) { if (value && *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - h2_alt_svc *as = h2_alt_svc_parse(value, parms->pool); + h2_alt_svc *as = h2_alt_svc_parse(value, cmd->pool); if (!as) { return "unable to parse alt-svc specifier"; } - if (!cfg->alt_svcs) { - cfg->alt_svcs = apr_array_make(parms->pool, 5, sizeof(h2_alt_svc*)); + + if (cmd->path) { + h2_dir_config *dcfg = (h2_dir_config *)dirconf; + if (!dcfg->alt_svcs) { + dcfg->alt_svcs = apr_array_make(cmd->pool, 5, sizeof(h2_alt_svc*)); + } + APR_ARRAY_PUSH(dcfg->alt_svcs, h2_alt_svc*) = as; + } + else { + h2_config *cfg = (h2_config *)h2_config_sget(cmd->server); + if (!cfg->alt_svcs) { + cfg->alt_svcs = apr_array_make(cmd->pool, 5, sizeof(h2_alt_svc*)); + } + APR_ARRAY_PUSH(cfg->alt_svcs, h2_alt_svc*) = as; } - APR_ARRAY_PUSH(cfg->alt_svcs, h2_alt_svc*) = as; } - (void)arg; return NULL; } -static const char *h2_conf_set_alt_svc_max_age(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_alt_svc_max_age(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->alt_svc_max_age = (int)apr_atoi64(value); - (void)arg; + int val = (int)apr_atoi64(value); + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_ALT_SVC_MAX_AGE, val); return NULL; } -static const char *h2_conf_set_session_extra_files(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_session_extra_files(cmd_parms *cmd, + void *dirconf, const char *value) { /* deprecated, ignore */ - (void)arg; + (void)dirconf; (void)value; - ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, parms->pool, /* NO LOGNO */ + ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, cmd->pool, /* NO LOGNO */ "H2SessionExtraFiles is obsolete and will be ignored"); return NULL; } -static const char *h2_conf_set_serialize_headers(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_serialize_headers(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); if (!strcasecmp(value, "On")) { - cfg->serialize_headers = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_SER_HEADERS, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->serialize_headers = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_SER_HEADERS, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } -static const char *h2_conf_set_direct(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_direct(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); if (!strcasecmp(value, "On")) { - cfg->h2_direct = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_DIRECT, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->h2_direct = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_DIRECT, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } -static const char *h2_conf_set_push(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_push(cmd_parms *cmd, void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); if (!strcasecmp(value, "On")) { - cfg->h2_push = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_PUSH, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->h2_push = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_PUSH, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } @@ -446,100 +749,88 @@ static const char *h2_conf_add_push_prio return NULL; } -static const char *h2_conf_set_modern_tls_only(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_modern_tls_only(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); if (!strcasecmp(value, "On")) { - cfg->modern_tls_only = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_MODERN_TLS_ONLY, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->modern_tls_only = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_MODERN_TLS_ONLY, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } -static const char *h2_conf_set_upgrade(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_upgrade(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); if (!strcasecmp(value, "On")) { - cfg->h2_upgrade = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_UPGRADE, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->h2_upgrade = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_UPGRADE, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } -static const char *h2_conf_set_tls_warmup_size(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_tls_warmup_size(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->tls_warmup_size = apr_atoi64(value); - (void)arg; + apr_int64_t val = apr_atoi64(value); + CONFIG_CMD_SET64(cmd, dirconf, H2_CONF_TLS_WARMUP_SIZE, val); return NULL; } -static const char *h2_conf_set_tls_cooldown_secs(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_tls_cooldown_secs(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - cfg->tls_cooldown_secs = (int)apr_atoi64(value); - (void)arg; + apr_int64_t val = (int)apr_atoi64(value); + CONFIG_CMD_SET64(cmd, dirconf, H2_CONF_TLS_COOLDOWN_SECS, val); return NULL; } -static const char *h2_conf_set_push_diary_size(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_push_diary_size(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - (void)arg; - cfg->push_diary_size = (int)apr_atoi64(value); - if (cfg->push_diary_size < 0) { + int val = (int)apr_atoi64(value); + if (val < 0) { return "value must be >= 0"; } - if (cfg->push_diary_size > 0 && (cfg->push_diary_size & (cfg->push_diary_size-1))) { + if (val > 0 && (val & (val-1))) { return "value must a power of 2"; } - if (cfg->push_diary_size > (1 << 15)) { + if (val > (1 << 15)) { return "value must <= 65536"; } + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_PUSH_DIARY_SIZE, val); return NULL; } -static const char *h2_conf_set_copy_files(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_copy_files(cmd_parms *cmd, + void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)arg; if (!strcasecmp(value, "On")) { - cfg->copy_files = 1; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_COPY_FILES, 1); return NULL; } else if (!strcasecmp(value, "Off")) { - cfg->copy_files = 0; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_COPY_FILES, 0); return NULL; } - - (void)arg; return "value must be On or Off"; } -static void add_push(apr_pool_t *pool, h2_config *conf, h2_push_res *push) +static void add_push(apr_array_header_t **plist, apr_pool_t *pool, h2_push_res *push) { h2_push_res *new; - if (!conf->push_list) { - conf->push_list = apr_array_make(pool, 10, sizeof(*push)); + if (!*plist) { + *plist = apr_array_make(pool, 10, sizeof(*push)); } - new = apr_array_push(conf->push_list); + new = apr_array_push(*plist); new->uri_ref = push->uri_ref; new->critical = push->critical; } @@ -548,8 +839,6 @@ static const char *h2_conf_add_push_res( const char *arg1, const char *arg2, const char *arg3) { - h2_config *dconf = (h2_config*)dirconf ; - h2_config *sconf = (h2_config*)h2_config_sget(cmd->server); h2_push_res push; const char *last = arg3; @@ -574,42 +863,54 @@ static const char *h2_conf_add_push_res( } } - /* server command? set both */ - if (cmd->path == NULL) { - add_push(cmd->pool, sconf, &push); - add_push(cmd->pool, dconf, &push); + if (cmd->path) { + add_push(&(((h2_dir_config*)dirconf)->push_list), cmd->pool, &push); } else { - add_push(cmd->pool, dconf, &push); + add_push(&(h2_config_sget(cmd->server)->push_list), cmd->pool, &push); } + return NULL; +} +static const char *h2_conf_set_early_hints(cmd_parms *cmd, + void *dirconf, const char *value) +{ + int val; + + if (!strcasecmp(value, "On")) val = 1; + else if (!strcasecmp(value, "Off")) val = 0; + else return "value must be On or Off"; + + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_EARLY_HINTS, val); + if (cmd->path) { + ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, cmd->pool, + "H2EarlyHints = %d on path %s", val, cmd->path); + } return NULL; } -static const char *h2_conf_set_early_hints(cmd_parms *parms, - void *arg, const char *value) +static const char *h2_conf_set_padding(cmd_parms *cmd, void *dirconf, const char *value) { - h2_config *cfg = (h2_config *)h2_config_sget(parms->server); - if (!strcasecmp(value, "On")) { - cfg->early_hints = 1; - return NULL; + int val; + + val = (int)apr_atoi64(value); + if (val < 0) { + return "number of bits must be >= 0"; } - else if (!strcasecmp(value, "Off")) { - cfg->early_hints = 0; - return NULL; + if (val > 8) { + return "number of bits must be <= 8"; } - - (void)arg; - return "value must be On or Off"; + CONFIG_CMD_SET(cmd, dirconf, H2_CONF_PADDING_BITS, val); + return NULL; } + void h2_get_num_workers(server_rec *s, int *minw, int *maxw) { int threads_per_child = 0; - const h2_config *config = h2_config_sget(s); - *minw = h2_config_geti(config, H2_CONF_MIN_WORKERS); - *maxw = h2_config_geti(config, H2_CONF_MAX_WORKERS); + *minw = h2_config_sgeti(s, H2_CONF_MIN_WORKERS); + *maxw = h2_config_sgeti(s, H2_CONF_MAX_WORKERS); ap_mpm_query(AP_MPMQ_MAX_THREADS, &threads_per_child); if (*minw <= 0) { @@ -651,7 +952,7 @@ const command_rec h2_cmds[] = { AP_INIT_TAKE1("H2ModernTLSOnly", h2_conf_set_modern_tls_only, NULL, RSRC_CONF, "off to not impose RFC 7540 restrictions on TLS"), AP_INIT_TAKE1("H2Upgrade", h2_conf_set_upgrade, NULL, - RSRC_CONF, "on to allow HTTP/1 Upgrades to h2/h2c"), + RSRC_CONF|OR_AUTHCFG, "on to allow HTTP/1 Upgrades to h2/h2c"), AP_INIT_TAKE1("H2Direct", h2_conf_set_direct, NULL, RSRC_CONF, "on to enable direct HTTP/2 mode"), AP_INIT_TAKE1("H2SessionExtraFiles", h2_conf_set_session_extra_files, NULL, @@ -661,7 +962,7 @@ const command_rec h2_cmds[] = { AP_INIT_TAKE1("H2TLSCoolDownSecs", h2_conf_set_tls_cooldown_secs, NULL, RSRC_CONF, "seconds of idle time on TLS before shrinking writes"), AP_INIT_TAKE1("H2Push", h2_conf_set_push, NULL, - RSRC_CONF, "off to disable HTTP/2 server push"), + RSRC_CONF|OR_AUTHCFG, "off to disable HTTP/2 server push"), AP_INIT_TAKE23("H2PushPriority", h2_conf_add_push_priority, NULL, RSRC_CONF, "define priority of PUSHed resources per content type"), AP_INIT_TAKE1("H2PushDiarySize", h2_conf_set_push_diary_size, NULL, @@ -669,33 +970,12 @@ const command_rec h2_cmds[] = { AP_INIT_TAKE1("H2CopyFiles", h2_conf_set_copy_files, NULL, OR_FILEINFO, "on to perform copy of file data"), AP_INIT_TAKE123("H2PushResource", h2_conf_add_push_res, NULL, - OR_FILEINFO, "add a resource to be pushed in this location/on this server."), + OR_FILEINFO|OR_AUTHCFG, "add a resource to be pushed in this location/on this server."), AP_INIT_TAKE1("H2EarlyHints", h2_conf_set_early_hints, NULL, RSRC_CONF, "on to enable interim status 103 responses"), + AP_INIT_TAKE1("H2Padding", h2_conf_set_padding, NULL, + RSRC_CONF, "set payload padding"), AP_END_CMD }; -const h2_config *h2_config_rget(request_rec *r) -{ - h2_config *cfg = (h2_config *)ap_get_module_config(r->per_dir_config, - &http2_module); - return cfg? cfg : h2_config_sget(r->server); -} - -const h2_config *h2_config_get(conn_rec *c) -{ - h2_ctx *ctx = h2_ctx_get(c, 0); - - if (ctx) { - if (ctx->config) { - return ctx->config; - } - else if (ctx->server) { - ctx->config = h2_config_sget(ctx->server); - return ctx->config; - } - } - - return h2_config_sget(c->base_server); -} Index: httpd-2.4.23/modules/http2/h2_config.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_config.h 2019-04-02 13:39:34.192793170 +0200 +++ httpd-2.4.23/modules/http2/h2_config.h 2019-04-02 13:42:32.649683136 +0200 @@ -41,6 +41,8 @@ typedef enum { H2_CONF_PUSH_DIARY_SIZE, H2_CONF_COPY_FILES, H2_CONF_EARLY_HINTS, + H2_CONF_PADDING_BITS, + H2_CONF_PADDING_ALWAYS, } h2_config_var_t; struct apr_hash_t; @@ -52,33 +54,6 @@ typedef struct h2_push_res { int critical; } h2_push_res; -/* Apache httpd module configuration for h2. */ -typedef struct h2_config { - const char *name; - int h2_max_streams; /* max concurrent # streams (http2) */ - int h2_window_size; /* stream window size (http2) */ - int min_workers; /* min # of worker threads/child */ - int max_workers; /* max # of worker threads/child */ - int max_worker_idle_secs; /* max # of idle seconds for worker */ - int stream_max_mem_size; /* max # bytes held in memory/stream */ - apr_array_header_t *alt_svcs; /* h2_alt_svc specs for this server */ - int alt_svc_max_age; /* seconds clients can rely on alt-svc info*/ - int serialize_headers; /* Use serialized HTTP/1.1 headers for - processing, better compatibility */ - int h2_direct; /* if mod_h2 is active directly */ - int modern_tls_only; /* Accept only modern TLS in HTTP/2 connections */ - int h2_upgrade; /* Allow HTTP/1 upgrade to h2/h2c */ - apr_int64_t tls_warmup_size; /* Amount of TLS data to send before going full write size */ - int tls_cooldown_secs; /* Seconds of idle time before going back to small TLS records */ - int h2_push; /* if HTTP/2 server push is enabled */ - struct apr_hash_t *priorities;/* map of content-type to h2_priority records */ - - int push_diary_size; /* # of entries in push diary */ - int copy_files; /* if files shall be copied vs setaside on output */ - apr_array_header_t *push_list;/* list of h2_push_res configurations */ - int early_hints; /* support status code 103 */ -} h2_config; - void *h2_config_create_dir(apr_pool_t *pool, char *x); void *h2_config_merge_dir(apr_pool_t *pool, void *basev, void *addv); @@ -87,19 +62,37 @@ void *h2_config_merge_svr(apr_pool_t *po extern const command_rec h2_cmds[]; -const h2_config *h2_config_get(conn_rec *c); -const h2_config *h2_config_sget(server_rec *s); -const h2_config *h2_config_rget(request_rec *r); +int h2_config_geti(request_rec *r, server_rec *s, h2_config_var_t var); +apr_int64_t h2_config_geti64(request_rec *r, server_rec *s, h2_config_var_t var); -int h2_config_geti(const h2_config *conf, h2_config_var_t var); -apr_int64_t h2_config_geti64(const h2_config *conf, h2_config_var_t var); +/** + * Get the configured value for variable <var> at the given connection. + */ +int h2_config_cgeti(conn_rec *c, h2_config_var_t var); +apr_int64_t h2_config_cgeti64(conn_rec *c, h2_config_var_t var); + +/** + * Get the configured value for variable <var> at the given server. + */ +int h2_config_sgeti(server_rec *s, h2_config_var_t var); +apr_int64_t h2_config_sgeti64(server_rec *s, h2_config_var_t var); + +/** + * Get the configured value for variable <var> at the given request, + * if configured for the request location. + * Fallback to request server config otherwise. + */ +int h2_config_rgeti(request_rec *r, h2_config_var_t var); +apr_int64_t h2_config_rgeti64(request_rec *r, h2_config_var_t var); -void h2_get_num_workers(server_rec *s, int *minw, int *maxw); +apr_array_header_t *h2_config_push_list(request_rec *r); +apr_array_header_t *h2_config_alt_svcs(request_rec *r); + +void h2_get_num_workers(server_rec *s, int *minw, int *maxw); void h2_config_init(apr_pool_t *pool); -const struct h2_priority *h2_config_get_priority(const h2_config *conf, - const char *content_type); +const struct h2_priority *h2_cconfig_get_priority(conn_rec *c, const char *content_type); #endif /* __mod_h2__h2_config_h__ */ Index: httpd-2.4.23/modules/http2/h2_conn.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_conn.c 2019-04-02 13:39:34.220793310 +0200 +++ httpd-2.4.23/modules/http2/h2_conn.c 2019-04-02 13:42:32.649683136 +0200 @@ -17,6 +17,7 @@ #include <apr_strings.h> #include <ap_mpm.h> +#include <ap_mmn.h> #include <httpd.h> #include <http_core.h> @@ -108,7 +109,6 @@ static void check_modules(int force) apr_status_t h2_conn_child_init(apr_pool_t *pool, server_rec *s) { - const h2_config *config = h2_config_sget(s); apr_status_t status = APR_SUCCESS; int minw, maxw; int max_threads_per_child = 0; @@ -128,7 +128,7 @@ apr_status_t h2_conn_child_init(apr_pool h2_get_num_workers(s, &minw, &maxw); - idle_secs = h2_config_geti(config, H2_CONF_MAX_WORKER_IDLE_SECS); + idle_secs = h2_config_sgeti(s, H2_CONF_MAX_WORKER_IDLE_SECS); ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, s, "h2_workers: min=%d max=%d, mthrpchild=%d, idle_secs=%d", minw, maxw, max_threads_per_child, idle_secs); @@ -171,9 +171,10 @@ static module *h2_conn_mpm_module(void) return mpm_module; } -apr_status_t h2_conn_setup(h2_ctx *ctx, conn_rec *c, request_rec *r) +apr_status_t h2_conn_setup(conn_rec *c, request_rec *r, server_rec *s) { h2_session *session; + h2_ctx *ctx; apr_status_t status; if (!workers) { @@ -182,24 +183,19 @@ apr_status_t h2_conn_setup(h2_ctx *ctx, return APR_EGENERAL; } - if (r) { - status = h2_session_rcreate(&session, r, ctx, workers); - } - else { - status = h2_session_create(&session, c, ctx, workers); - } - - if (status == APR_SUCCESS) { + if (APR_SUCCESS == (status = h2_session_create(&session, c, r, s, workers))) { + ctx = h2_ctx_get(c, 1); h2_ctx_session_set(ctx, session); } + return status; } -apr_status_t h2_conn_run(struct h2_ctx *ctx, conn_rec *c) +apr_status_t h2_conn_run(conn_rec *c) { apr_status_t status; int mpm_state = 0; - h2_session *session = h2_ctx_session_get(ctx); + h2_session *session = h2_ctx_get_session(c); ap_assert(session); do { @@ -248,7 +244,7 @@ apr_status_t h2_conn_run(struct h2_ctx * apr_status_t h2_conn_pre_close(struct h2_ctx *ctx, conn_rec *c) { - h2_session *session = h2_ctx_session_get(ctx); + h2_session *session = h2_ctx_get_session(c); if (session) { apr_status_t status = h2_session_pre_close(session, async_mpm); return (status == APR_SUCCESS)? DONE : status; @@ -304,9 +300,15 @@ conn_rec *h2_slave_create(conn_rec *mast c->notes = apr_table_make(pool, 5); c->input_filters = NULL; c->output_filters = NULL; + c->keepalives = 0; +#if AP_MODULE_MAGIC_AT_LEAST(20180903, 1) + c->filter_conn_ctx = NULL; +#endif c->bucket_alloc = apr_bucket_alloc_create(pool); - c->data_in_input_filters = 0; - c->data_in_output_filters = 0; +#if !AP_MODULE_MAGIC_AT_LEAST(20180720, 1) + c->data_in_input_filters = 0; + c->data_in_output_filters = 0; +#endif /* prevent mpm_event from making wrong assumptions about this connection, * like e.g. using its socket for an async read check. */ c->clogging_input_filters = 1; @@ -331,16 +333,15 @@ conn_rec *h2_slave_create(conn_rec *mast ap_set_module_config(c->conn_config, mpm, cfg); } - ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, - "h2_stream(%ld-%d): created slave", master->id, slave_id); + ap_log_cerror(APLOG_MARK, APLOG_TRACE3, 0, c, + "h2_slave(%s): created", c->log_id); return c; } void h2_slave_destroy(conn_rec *slave) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, slave, - "h2_stream(%s): destroy slave", - apr_table_get(slave->notes, H2_TASK_ID_NOTE)); + ap_log_cerror(APLOG_MARK, APLOG_TRACE3, 0, slave, + "h2_slave(%s): destroy", slave->log_id); slave->sbh = NULL; apr_pool_destroy(slave->pool); } @@ -364,6 +365,7 @@ apr_status_t h2_slave_run_pre_connection slave->keepalive = AP_CONN_CLOSE; return ap_run_pre_connection(slave, csd); } + ap_assert(slave->output_filters); return APR_SUCCESS; } Index: httpd-2.4.23/modules/http2/h2_conn.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_conn.h 2019-04-02 13:39:34.068792551 +0200 +++ httpd-2.4.23/modules/http2/h2_conn.h 2019-04-02 13:39:34.256793490 +0200 @@ -22,21 +22,21 @@ struct h2_task; /** * Setup the connection and our context for HTTP/2 processing * - * @param ctx the http2 context to setup * @param c the connection HTTP/2 is starting on * @param r the upgrade request that still awaits an answer, optional + * @param s the server selected for this connection (can be != c->base_server) */ -apr_status_t h2_conn_setup(struct h2_ctx *ctx, conn_rec *c, request_rec *r); +apr_status_t h2_conn_setup(conn_rec *c, request_rec *r, server_rec *s); /** * Run the HTTP/2 connection in synchronous fashion. * Return when the HTTP/2 session is done * and the connection will close or a fatal error occurred. * - * @param ctx the http2 context to run + * @param c the http2 connection to run * @return APR_SUCCESS when session is done. */ -apr_status_t h2_conn_run(struct h2_ctx *ctx, conn_rec *c); +apr_status_t h2_conn_run(conn_rec *c); /** * The connection is about to close. If we have not send a GOAWAY Index: httpd-2.4.23/modules/http2/h2_conn_io.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_conn_io.c 2019-04-02 13:39:34.068792551 +0200 +++ httpd-2.4.23/modules/http2/h2_conn_io.c 2019-04-02 13:42:32.649683136 +0200 @@ -39,12 +39,17 @@ * ~= 1300 bytes */ #define WRITE_SIZE_INITIAL 1300 -/* Calculated like this: max TLS record size 16*1024 - * - 40 (IP) - 20 (TCP) - 40 (TCP options) - * - TLS overhead (60-100) - * which seems to create less TCP packets overall +/* The maximum we'd like to write in one chunk is + * the max size of a TLS record. When pushing + * many frames down the h2 connection, this might + * align differently because of headers and other + * frames or simply as not sufficient data is + * in a response body. + * However keeping frames at or below this limit + * should make optimizations at the layer that writes + * to TLS easier. */ -#define WRITE_SIZE_MAX (TLS_DATA_MAX - 100) +#define WRITE_SIZE_MAX (TLS_DATA_MAX) static void h2_conn_io_bb_log(conn_rec *c, int stream_id, int level, @@ -122,21 +127,20 @@ static void h2_conn_io_bb_log(conn_rec * } -apr_status_t h2_conn_io_init(h2_conn_io *io, conn_rec *c, - const h2_config *cfg) +apr_status_t h2_conn_io_init(h2_conn_io *io, conn_rec *c, server_rec *s) { io->c = c; io->output = apr_brigade_create(c->pool, c->bucket_alloc); io->is_tls = h2_h2_is_tls(c); io->buffer_output = io->is_tls; - io->flush_threshold = (apr_size_t)h2_config_geti64(cfg, H2_CONF_STREAM_MAX_MEM); + io->flush_threshold = (apr_size_t)h2_config_sgeti64(s, H2_CONF_STREAM_MAX_MEM); if (io->is_tls) { /* This is what we start with, * see https://issues.apache.org/jira/browse/TS-2503 */ - io->warmup_size = h2_config_geti64(cfg, H2_CONF_TLS_WARMUP_SIZE); - io->cooldown_usecs = (h2_config_geti(cfg, H2_CONF_TLS_COOLDOWN_SECS) + io->warmup_size = h2_config_sgeti64(s, H2_CONF_TLS_WARMUP_SIZE); + io->cooldown_usecs = (h2_config_sgeti(s, H2_CONF_TLS_COOLDOWN_SECS) * APR_USEC_PER_SEC); io->write_size = (io->cooldown_usecs > 0? WRITE_SIZE_INITIAL : WRITE_SIZE_MAX); Index: httpd-2.4.23/modules/http2/h2_conn_io.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_conn_io.h 2019-04-02 13:39:34.068792551 +0200 +++ httpd-2.4.23/modules/http2/h2_conn_io.h 2019-04-02 13:39:34.256793490 +0200 @@ -47,8 +47,7 @@ typedef struct { apr_size_t slen; } h2_conn_io; -apr_status_t h2_conn_io_init(h2_conn_io *io, conn_rec *c, - const struct h2_config *cfg); +apr_status_t h2_conn_io_init(h2_conn_io *io, conn_rec *c, server_rec *s); /** * Append data to the buffered output. Index: httpd-2.4.23/modules/http2/h2_ctx.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_ctx.c 2019-04-02 13:39:34.068792551 +0200 +++ httpd-2.4.23/modules/http2/h2_ctx.c 2019-04-02 13:39:34.256793490 +0200 @@ -28,8 +28,8 @@ static h2_ctx *h2_ctx_create(const conn_ { h2_ctx *ctx = apr_pcalloc(c->pool, sizeof(h2_ctx)); ap_assert(ctx); + h2_ctx_server_update(ctx, c->base_server); ap_set_module_config(c->conn_config, &http2_module, ctx); - h2_ctx_server_set(ctx, c->base_server); return ctx; } @@ -78,8 +78,9 @@ h2_ctx *h2_ctx_protocol_set(h2_ctx *ctx, return ctx; } -h2_session *h2_ctx_session_get(h2_ctx *ctx) +h2_session *h2_ctx_get_session(conn_rec *c) { + h2_ctx *ctx = h2_ctx_get(c, 0); return ctx? ctx->session : NULL; } @@ -88,33 +89,17 @@ void h2_ctx_session_set(h2_ctx *ctx, str ctx->session = session; } -server_rec *h2_ctx_server_get(h2_ctx *ctx) +h2_ctx *h2_ctx_server_update(h2_ctx *ctx, server_rec *s) { - return ctx? ctx->server : NULL; -} - -h2_ctx *h2_ctx_server_set(h2_ctx *ctx, server_rec *s) -{ - ctx->server = s; + if (ctx->server != s) { + ctx->server = s; + } return ctx; } -int h2_ctx_is_task(h2_ctx *ctx) -{ - return ctx && ctx->task; -} - -h2_task *h2_ctx_get_task(h2_ctx *ctx) +h2_task *h2_ctx_get_task(conn_rec *c) { + h2_ctx *ctx = h2_ctx_get(c, 0); return ctx? ctx->task : NULL; } -h2_task *h2_ctx_cget_task(conn_rec *c) -{ - return h2_ctx_get_task(h2_ctx_get(c, 0)); -} - -h2_task *h2_ctx_rget_task(request_rec *r) -{ - return h2_ctx_get_task(h2_ctx_rget(r)); -} Index: httpd-2.4.23/modules/http2/h2_ctx.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_ctx.h 2016-03-02 12:21:28.000000000 +0100 +++ httpd-2.4.23/modules/http2/h2_ctx.h 2019-04-02 13:39:34.256793490 +0200 @@ -55,12 +55,11 @@ h2_ctx *h2_ctx_create_for(const conn_rec */ h2_ctx *h2_ctx_protocol_set(h2_ctx *ctx, const char *proto); -/* Set the server_rec relevant for this context. +/* Update the server_rec relevant for this context. A server for + * a connection may change during SNI handling, for example. */ -h2_ctx *h2_ctx_server_set(h2_ctx *ctx, server_rec *s); -server_rec *h2_ctx_server_get(h2_ctx *ctx); +h2_ctx *h2_ctx_server_update(h2_ctx *ctx, server_rec *s); -struct h2_session *h2_ctx_session_get(h2_ctx *ctx); void h2_ctx_session_set(h2_ctx *ctx, struct h2_session *session); /** @@ -68,10 +67,8 @@ void h2_ctx_session_set(h2_ctx *ctx, str */ const char *h2_ctx_protocol_get(const conn_rec *c); -int h2_ctx_is_task(h2_ctx *ctx); +struct h2_session *h2_ctx_get_session(conn_rec *c); +struct h2_task *h2_ctx_get_task(conn_rec *c); -struct h2_task *h2_ctx_get_task(h2_ctx *ctx); -struct h2_task *h2_ctx_cget_task(conn_rec *c); -struct h2_task *h2_ctx_rget_task(request_rec *r); #endif /* defined(__mod_h2__h2_ctx__) */ Index: httpd-2.4.23/modules/http2/h2_filter.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_filter.c 2019-04-02 13:39:34.192793170 +0200 +++ httpd-2.4.23/modules/http2/h2_filter.c 2019-04-02 13:42:32.649683136 +0200 @@ -53,6 +53,7 @@ static apr_status_t recv_RAW_DATA(conn_r const char *data; ssize_t n; + (void)c; status = apr_bucket_read(b, &data, &len, block); while (status == APR_SUCCESS && len > 0) { @@ -70,10 +71,10 @@ static apr_status_t recv_RAW_DATA(conn_r } else { session->io.bytes_read += n; - if (len <= n) { + if ((apr_ssize_t)len <= n) { break; } - len -= n; + len -= (apr_size_t)n; data += n; } } @@ -276,6 +277,7 @@ apr_bucket *h2_bucket_observer_beam(stru apr_bucket_brigade *dest, const apr_bucket *src) { + (void)beam; if (H2_BUCKET_IS_OBSERVER(src)) { h2_bucket_observer *l = (h2_bucket_observer *)src->data; apr_bucket *b = h2_bucket_observer_create(dest->bucket_alloc, @@ -310,8 +312,7 @@ static void add_settings(apr_bucket_brig bbout(bb, " \"settings\": {\n"); bbout(bb, " \"SETTINGS_MAX_CONCURRENT_STREAMS\": %d,\n", m->max_streams); bbout(bb, " \"SETTINGS_MAX_FRAME_SIZE\": %d,\n", 16*1024); - bbout(bb, " \"SETTINGS_INITIAL_WINDOW_SIZE\": %d,\n", - h2_config_geti(s->config, H2_CONF_WIN_SIZE)); + bbout(bb, " \"SETTINGS_INITIAL_WINDOW_SIZE\": %d,\n", h2_config_sgeti(s->s, H2_CONF_WIN_SIZE)); bbout(bb, " \"SETTINGS_ENABLE_PUSH\": %d\n", h2_session_push_enabled(s)); bbout(bb, " }%s\n", last? "" : ","); } @@ -430,41 +431,38 @@ static void add_stats(apr_bucket_brigade static apr_status_t h2_status_insert(h2_task *task, apr_bucket *b) { - conn_rec *c = task->c->master; - h2_ctx *h2ctx = h2_ctx_get(c, 0); - h2_session *session; - h2_stream *stream; + h2_mplx *m = task->mplx; + h2_stream *stream = h2_mplx_stream_get(m, task->stream_id); + h2_session *s; + conn_rec *c; + apr_bucket_brigade *bb; apr_bucket *e; int32_t connFlowIn, connFlowOut; - - if (!h2ctx || (session = h2_ctx_session_get(h2ctx)) == NULL) { - return APR_SUCCESS; - } - - stream = h2_session_stream_get(session, task->stream_id); if (!stream) { /* stream already done */ return APR_SUCCESS; } + s = stream->session; + c = s->c; bb = apr_brigade_create(stream->pool, c->bucket_alloc); - connFlowIn = nghttp2_session_get_effective_local_window_size(session->ngh2); - connFlowOut = nghttp2_session_get_remote_window_size(session->ngh2); + connFlowIn = nghttp2_session_get_effective_local_window_size(s->ngh2); + connFlowOut = nghttp2_session_get_remote_window_size(s->ngh2); bbout(bb, "{\n"); bbout(bb, " \"version\": \"draft-01\",\n"); - add_settings(bb, session, 0); - add_peer_settings(bb, session, 0); + add_settings(bb, s, 0); + add_peer_settings(bb, s, 0); bbout(bb, " \"connFlowIn\": %d,\n", connFlowIn); bbout(bb, " \"connFlowOut\": %d,\n", connFlowOut); - bbout(bb, " \"sentGoAway\": %d,\n", session->local.shutdown); + bbout(bb, " \"sentGoAway\": %d,\n", s->local.shutdown); - add_streams(bb, session, 0); + add_streams(bb, s, 0); - add_stats(bb, session, stream, 1); + add_stats(bb, s, stream, 1); bbout(bb, "}\n"); while ((e = APR_BRIGADE_FIRST(bb)) != APR_BRIGADE_SENTINEL(bb)) { @@ -496,7 +494,6 @@ static apr_status_t status_event(void *c int h2_filter_h2_status_handler(request_rec *r) { - h2_ctx *ctx = h2_ctx_rget(r); conn_rec *c = r->connection; h2_task *task; apr_bucket_brigade *bb; @@ -510,7 +507,7 @@ int h2_filter_h2_status_handler(request_ return DECLINED; } - task = ctx? h2_ctx_get_task(ctx) : NULL; + task = h2_ctx_get_task(r->connection); if (task) { if ((status = ap_discard_request_body(r)) != OK) { Index: httpd-2.4.23/modules/http2/h2_from_h1.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_from_h1.c 2019-04-02 13:39:34.244793430 +0200 +++ httpd-2.4.23/modules/http2/h2_from_h1.c 2019-04-02 13:39:34.256793490 +0200 @@ -21,8 +21,6 @@ #include <apr_strings.h> #include <httpd.h> -#define AP_STATUS_IS_HEADER_ONLY(x) ((x) == HTTP_NO_CONTENT || \ - (x) == HTTP_NOT_MODIFIED) #include <http_core.h> #include <http_log.h> #include <http_connection.h> Index: httpd-2.4.23/modules/http2/h2.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2.h 2019-04-02 13:39:34.192793170 +0200 +++ httpd-2.4.23/modules/http2/h2.h 2019-04-02 13:42:32.649683136 +0200 @@ -47,12 +47,12 @@ extern const char *H2_MAGIC_TOKEN; #define H2_HEADER_PATH_LEN 5 #define H2_CRLF "\r\n" -/* Max data size to write so it fits inside a TLS record */ -#define H2_DATA_CHUNK_SIZE ((16*1024) - 100 - 9) - /* Size of the frame header itself in HTTP/2 */ #define H2_FRAME_HDR_LEN 9 +/* Max data size to write so it fits inside a TLS record */ +#define H2_DATA_CHUNK_SIZE ((16*1024) - 100 - H2_FRAME_HDR_LEN) + /* Maximum number of padding bytes in a frame, rfc7540 */ #define H2_MAX_PADLEN 256 /* Initial default window size, RFC 7540 ch. 6.5.2 */ @@ -161,5 +161,6 @@ typedef int h2_stream_pri_cmp(int stream #define H2_FILTER_DEBUG_NOTE "http2-debug" #define H2_HDR_CONFORMANCE "http2-hdr-conformance" #define H2_HDR_CONFORMANCE_UNSAFE "unsafe" +#define H2_PUSH_MODE_NOTE "http2-push-mode" #endif /* defined(__mod_h2__h2__) */ Index: httpd-2.4.23/modules/http2/h2_h2.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_h2.c 2019-04-02 13:39:34.220793310 +0200 +++ httpd-2.4.23/modules/http2/h2_h2.c 2019-04-02 13:42:32.649683136 +0200 @@ -462,19 +462,18 @@ int h2_h2_is_tls(conn_rec *c) return opt_ssl_is_https && opt_ssl_is_https(c); } -int h2_is_acceptable_connection(conn_rec *c, int require_all) +int h2_is_acceptable_connection(conn_rec *c, request_rec *r, int require_all) { int is_tls = h2_h2_is_tls(c); - const h2_config *cfg = h2_config_get(c); - if (is_tls && h2_config_geti(cfg, H2_CONF_MODERN_TLS_ONLY) > 0) { + if (is_tls && h2_config_cgeti(c, H2_CONF_MODERN_TLS_ONLY) > 0) { /* Check TLS connection for modern TLS parameters, as defined in * RFC 7540 and https://wiki.mozilla.org/Security/Server_Side_TLS#Modern_compatibility */ apr_pool_t *pool = c->pool; server_rec *s = c->base_server; char *val; - + if (!opt_ssl_var_lookup) { /* unable to check */ return 0; @@ -520,26 +519,22 @@ int h2_is_acceptable_connection(conn_rec return 1; } -int h2_allows_h2_direct(conn_rec *c) +static int h2_allows_h2_direct(conn_rec *c) { - const h2_config *cfg = h2_config_get(c); int is_tls = h2_h2_is_tls(c); const char *needed_protocol = is_tls? "h2" : "h2c"; - int h2_direct = h2_config_geti(cfg, H2_CONF_DIRECT); + int h2_direct = h2_config_cgeti(c, H2_CONF_DIRECT); if (h2_direct < 0) { h2_direct = is_tls? 0 : 1; } - return (h2_direct - && ap_is_allowed_protocol(c, NULL, NULL, needed_protocol)); + return (h2_direct && ap_is_allowed_protocol(c, NULL, NULL, needed_protocol)); } -int h2_allows_h2_upgrade(conn_rec *c) +int h2_allows_h2_upgrade(request_rec *r) { - const h2_config *cfg = h2_config_get(c); - int h2_upgrade = h2_config_geti(cfg, H2_CONF_UPGRADE); - - return h2_upgrade > 0 || (h2_upgrade < 0 && !h2_h2_is_tls(c)); + int h2_upgrade = h2_config_rgeti(r, H2_CONF_UPGRADE); + return h2_upgrade > 0 || (h2_upgrade < 0 && !h2_h2_is_tls(r->connection)); } /******************************************************************************* @@ -580,14 +575,17 @@ int h2_h2_process_conn(conn_rec* c) { apr_status_t status; h2_ctx *ctx; + server_rec *s; if (c->master) { return DECLINED; } ctx = h2_ctx_get(c, 0); + s = ctx? ctx->server : c->base_server; + ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, process_conn"); - if (h2_ctx_is_task(ctx)) { + if (ctx && ctx->task) { /* our stream pseudo connection */ ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, "h2_h2, task, declined"); return DECLINED; @@ -600,19 +598,19 @@ int h2_h2_process_conn(conn_rec* c) ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, process_conn, " "new connection using protocol '%s', direct=%d, " "tls acceptable=%d", proto, h2_allows_h2_direct(c), - h2_is_acceptable_connection(c, 1)); + h2_is_acceptable_connection(c, NULL, 1)); } if (!strcmp(AP_PROTOCOL_HTTP1, proto) && h2_allows_h2_direct(c) - && h2_is_acceptable_connection(c, 1)) { + && h2_is_acceptable_connection(c, NULL, 1)) { /* Fresh connection still is on http/1.1 and H2Direct is enabled. * Otherwise connection is in a fully acceptable state. * -> peek at the first 24 incoming bytes */ apr_bucket_brigade *temp; - char *s = NULL; - apr_size_t slen; + char *peek = NULL; + apr_size_t peeklen; temp = apr_brigade_create(c->pool, c->bucket_alloc); status = ap_get_brigade(c->input_filters, temp, @@ -625,8 +623,8 @@ int h2_h2_process_conn(conn_rec* c) return DECLINED; } - apr_brigade_pflatten(temp, &s, &slen, c->pool); - if ((slen >= 24) && !memcmp(H2_MAGIC_TOKEN, s, 24)) { + apr_brigade_pflatten(temp, &peek, &peeklen, c->pool); + if ((peeklen >= 24) && !memcmp(H2_MAGIC_TOKEN, peek, 24)) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, direct mode detected"); if (!ctx) { @@ -637,7 +635,7 @@ int h2_h2_process_conn(conn_rec* c) else if (APLOGctrace2(c)) { ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, "h2_h2, not detected in %d bytes(base64): %s", - (int)slen, h2_util_base64url_encode(s, slen, c->pool)); + (int)peeklen, h2_util_base64url_encode(peek, peeklen, c->pool)); } apr_brigade_destroy(temp); @@ -646,15 +644,16 @@ int h2_h2_process_conn(conn_rec* c) if (ctx) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "process_conn"); - if (!h2_ctx_session_get(ctx)) { - status = h2_conn_setup(ctx, c, NULL); + + if (!h2_ctx_get_session(c)) { + status = h2_conn_setup(c, NULL, s); ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, c, "conn_setup"); if (status != APR_SUCCESS) { h2_ctx_clear(c); return !OK; } } - h2_conn_run(ctx, c); + h2_conn_run(c); return OK; } @@ -683,16 +682,17 @@ static int h2_h2_pre_close_conn(conn_rec static void check_push(request_rec *r, const char *tag) { - const h2_config *conf = h2_config_rget(r); - if (!r->expecting_100 - && conf && conf->push_list && conf->push_list->nelts > 0) { + apr_array_header_t *push_list = h2_config_push_list(r); + + if (!r->expecting_100 && push_list && push_list->nelts > 0) { int i, old_status; const char *old_line; + ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "%s, early announcing %d resources for push", - tag, conf->push_list->nelts); - for (i = 0; i < conf->push_list->nelts; ++i) { - h2_push_res *push = &APR_ARRAY_IDX(conf->push_list, i, h2_push_res); + tag, push_list->nelts); + for (i = 0; i < push_list->nelts; ++i) { + h2_push_res *push = &APR_ARRAY_IDX(push_list, i, h2_push_res); apr_table_add(r->headers_out, "Link", apr_psprintf(r->pool, "<%s>; rel=preload%s", push->uri_ref, push->critical? "; critical" : "")); @@ -711,8 +711,7 @@ static int h2_h2_post_read_req(request_r { /* slave connection? */ if (r->connection->master) { - h2_ctx *ctx = h2_ctx_rget(r); - struct h2_task *task = h2_ctx_get_task(ctx); + struct h2_task *task = h2_ctx_get_task(r->connection); /* This hook will get called twice on internal redirects. Take care * that we manipulate filters only once. */ if (task && !task->filters_set) { @@ -745,12 +744,10 @@ static int h2_h2_late_fixups(request_rec { /* slave connection? */ if (r->connection->master) { - h2_ctx *ctx = h2_ctx_rget(r); - struct h2_task *task = h2_ctx_get_task(ctx); + struct h2_task *task = h2_ctx_get_task(r->connection); if (task) { /* check if we copy vs. setaside files in this location */ - task->output.copy_files = h2_config_geti(h2_config_rget(r), - H2_CONF_COPY_FILES); + task->output.copy_files = h2_config_rgeti(r, H2_CONF_COPY_FILES); if (task->output.copy_files) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, task->c, "h2_slave_out(%s): copy_files on", task->id); Index: httpd-2.4.23/modules/http2/h2_h2.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_h2.h 2019-04-02 13:39:34.072792571 +0200 +++ httpd-2.4.23/modules/http2/h2_h2.h 2019-04-02 13:39:34.260793510 +0200 @@ -56,23 +56,15 @@ void h2_h2_register_hooks(void); * the handshake is still ongoing. * @return != 0 iff connection requirements are met */ -int h2_is_acceptable_connection(conn_rec *c, int require_all); - -/** - * Check if the "direct" HTTP/2 mode of protocol handling is enabled - * for the given connection. - * @param c the connection to check - * @return != 0 iff direct mode is enabled - */ -int h2_allows_h2_direct(conn_rec *c); +int h2_is_acceptable_connection(conn_rec *c, request_rec *r, int require_all); /** * Check if the "Upgrade" HTTP/1.1 mode of protocol switching is enabled - * for the given connection. - * @param c the connection to check + * for the given request. + * @param r the request to check * @return != 0 iff Upgrade switching is enabled */ -int h2_allows_h2_upgrade(conn_rec *c); +int h2_allows_h2_upgrade(request_rec *r); #endif /* defined(__mod_h2__h2_h2__) */ Index: httpd-2.4.23/modules/http2/h2_headers.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_headers.c 2019-04-02 13:39:34.220793310 +0200 +++ httpd-2.4.23/modules/http2/h2_headers.c 2019-04-02 13:39:34.260793510 +0200 @@ -27,6 +27,7 @@ #include "h2_private.h" #include "h2_h2.h" +#include "h2_config.h" #include "h2_util.h" #include "h2_request.h" #include "h2_headers.h" @@ -127,21 +128,27 @@ h2_headers *h2_headers_rcreate(request_r { h2_headers *headers = h2_headers_create(status, header, r->notes, 0, pool); if (headers->status == HTTP_FORBIDDEN) { - const char *cause = apr_table_get(r->notes, "ssl-renegotiate-forbidden"); - if (cause) { - /* This request triggered a TLS renegotiation that is now allowed - * in HTTP/2. Tell the client that it should use HTTP/1.1 for this. - */ - ap_log_rerror(APLOG_MARK, APLOG_DEBUG, headers->status, r, - APLOGNO(03061) - "h2_headers(%ld): renegotiate forbidden, cause: %s", - (long)r->connection->id, cause); - headers->status = H2_ERR_HTTP_1_1_REQUIRED; + request_rec *r_prev; + for (r_prev = r; r_prev != NULL; r_prev = r_prev->prev) { + const char *cause = apr_table_get(r_prev->notes, "ssl-renegotiate-forbidden"); + if (cause) { + /* This request triggered a TLS renegotiation that is not allowed + * in HTTP/2. Tell the client that it should use HTTP/1.1 for this. + */ + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, headers->status, r, + APLOGNO(03061) + "h2_headers(%ld): renegotiate forbidden, cause: %s", + (long)r->connection->id, cause); + headers->status = H2_ERR_HTTP_1_1_REQUIRED; + break; + } } } if (is_unsafe(r->server)) { - apr_table_setn(headers->notes, H2_HDR_CONFORMANCE, - H2_HDR_CONFORMANCE_UNSAFE); + apr_table_setn(headers->notes, H2_HDR_CONFORMANCE, H2_HDR_CONFORMANCE_UNSAFE); + } + if (h2_config_rgeti(r, H2_CONF_PUSH) == 0 && h2_config_sgeti(r->server, H2_CONF_PUSH) != 0) { + apr_table_setn(headers->notes, H2_PUSH_MODE_NOTE, "0"); } return headers; } Index: httpd-2.4.23/modules/http2/h2_mplx.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_mplx.c 2019-04-02 13:39:34.220793310 +0200 +++ httpd-2.4.23/modules/http2/h2_mplx.c 2019-04-02 13:42:32.649683136 +0200 @@ -39,7 +39,6 @@ #include "h2_ctx.h" #include "h2_h2.h" #include "h2_mplx.h" -#include "h2_ngn_shed.h" #include "h2_request.h" #include "h2_stream.h" #include "h2_session.h" @@ -82,12 +81,6 @@ static void check_data_for(h2_mplx *m, h static void stream_output_consumed(void *ctx, h2_bucket_beam *beam, apr_off_t length) { - h2_stream *stream = ctx; - h2_task *task = stream->task; - - if (length > 0 && task && task->assigned) { - h2_req_engine_out_consumed(task->assigned, task->c, length); - } } static void stream_input_ev(void *ctx, h2_bucket_beam *beam) @@ -135,7 +128,6 @@ static void stream_cleanup(h2_mplx *m, h } else if (stream->task) { stream->task->c->aborted = 1; - apr_thread_cond_broadcast(m->task_thawed); } } @@ -150,25 +142,19 @@ static void stream_cleanup(h2_mplx *m, h * their HTTP/1 cousins, the separate allocator seems to work better * than protecting a shared h2_session one with an own lock. */ -h2_mplx *h2_mplx_create(conn_rec *c, apr_pool_t *parent, - const h2_config *conf, +h2_mplx *h2_mplx_create(conn_rec *c, server_rec *s, apr_pool_t *parent, h2_workers *workers) { apr_status_t status = APR_SUCCESS; apr_allocator_t *allocator; apr_thread_mutex_t *mutex; h2_mplx *m; - h2_ctx *ctx = h2_ctx_get(c, 0); - ap_assert(conf); m = apr_pcalloc(parent, sizeof(h2_mplx)); if (m) { m->id = c->id; m->c = c; - m->s = (ctx? h2_ctx_server_get(ctx) : NULL); - if (!m->s) { - m->s = c->base_server; - } + m->s = s; /* We create a pool with its own allocator to be used for * processing slave connections. This is the only way to have the @@ -203,14 +189,8 @@ h2_mplx *h2_mplx_create(conn_rec *c, apr return NULL; } - status = apr_thread_cond_create(&m->task_thawed, m->pool); - if (status != APR_SUCCESS) { - apr_pool_destroy(m->pool); - return NULL; - } - - m->max_streams = h2_config_geti(conf, H2_CONF_MAX_STREAMS); - m->stream_max_mem = h2_config_geti(conf, H2_CONF_STREAM_MAX_MEM); + m->max_streams = h2_config_sgeti(s, H2_CONF_MAX_STREAMS); + m->stream_max_mem = h2_config_sgeti(s, H2_CONF_STREAM_MAX_MEM); m->streams = h2_ihash_create(m->pool, offsetof(h2_stream,id)); m->sredo = h2_ihash_create(m->pool, offsetof(h2_stream,id)); @@ -231,10 +211,6 @@ h2_mplx *h2_mplx_create(conn_rec *c, apr m->limit_change_interval = apr_time_from_msec(100); m->spare_slaves = apr_array_make(m->pool, 10, sizeof(conn_rec*)); - - m->ngn_shed = h2_ngn_shed_create(m->pool, m->c, m->max_streams, - m->stream_max_mem); - h2_ngn_shed_set_ctx(m->ngn_shed , m); } return m; } @@ -326,7 +302,8 @@ static int stream_destroy_iter(void *ctx && !task->rst_error); } - if (reuse_slave && slave->keepalive == AP_CONN_KEEPALIVE) { + task->c = NULL; + if (reuse_slave) { h2_beam_log(task->output.beam, m->c, APLOG_DEBUG, APLOGNO(03385) "h2_task_destroy, reuse slave"); h2_task_destroy(task); @@ -392,10 +369,10 @@ static int report_stream_iter(void *ctx, if (task) { ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c, /* NO APLOGNO */ H2_STRM_MSG(stream, "->03198: %s %s %s" - "[started=%d/done=%d/frozen=%d]"), + "[started=%d/done=%d]"), task->request->method, task->request->authority, task->request->path, task->worker_started, - task->worker_done, task->frozen); + task->worker_done); } else { ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c, /* NO APLOGNO */ @@ -434,8 +411,10 @@ static int stream_cancel_iter(void *ctx, void h2_mplx_release_and_join(h2_mplx *m, apr_thread_cond_t *wait) { apr_status_t status; - int i, wait_secs = 60; + int i, wait_secs = 60, old_aborted; + ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c, + "h2_mplx(%ld): start release", m->id); /* How to shut down a h2 connection: * 0. abort and tell the workers that no more tasks will come from us */ m->aborted = 1; @@ -443,15 +422,19 @@ void h2_mplx_release_and_join(h2_mplx *m H2_MPLX_ENTER_ALWAYS(m); + /* While really terminating any slave connections, treat the master + * connection as aborted. It's not as if we could send any more data + * at this point. */ + old_aborted = m->c->aborted; + m->c->aborted = 1; + /* How to shut down a h2 connection: * 1. cancel all streams still active */ while (!h2_ihash_iter(m->streams, stream_cancel_iter, m)) { /* until empty */ } - /* 2. terminate ngn_shed, no more streams - * should be scheduled or in the active set */ - h2_ngn_shed_abort(m->ngn_shed); + /* 2. no more streams should be scheduled or in the active set */ ap_assert(h2_ihash_empty(m->streams)); ap_assert(h2_iq_empty(m->q)); @@ -475,10 +458,6 @@ void h2_mplx_release_and_join(h2_mplx *m ap_assert(m->tasks_active == 0); m->join_wait = NULL; - /* 4. close the h2_req_enginge shed */ - h2_ngn_shed_destroy(m->ngn_shed); - m->ngn_shed = NULL; - /* 4. With all workers done, all streams should be in spurge */ if (!h2_ihash_empty(m->shold)) { ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, m->c, APLOGNO(03516) @@ -487,6 +466,7 @@ void h2_mplx_release_and_join(h2_mplx *m h2_ihash_iter(m->shold, unexpected_stream_iter, m); } + m->c->aborted = old_aborted; H2_MPLX_LEAVE(m); ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, m->c, @@ -783,47 +763,14 @@ apr_status_t h2_mplx_pop_task(h2_mplx *m return rv; } -static void task_done(h2_mplx *m, h2_task *task, h2_req_engine *ngn) +static void task_done(h2_mplx *m, h2_task *task) { h2_stream *stream; - if (task->frozen) { - /* this task was handed over to an engine for processing - * and the original worker has finished. That means the - * engine may start processing now. */ - h2_task_thaw(task); - apr_thread_cond_broadcast(m->task_thawed); - return; - } - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, m->c, "h2_mplx(%ld): task(%s) done", m->id, task->id); out_close(m, task); - if (ngn) { - apr_off_t bytes = 0; - h2_beam_send(task->output.beam, NULL, APR_NONBLOCK_READ); - bytes += h2_beam_get_buffered(task->output.beam); - if (bytes > 0) { - /* we need to report consumed and current buffered output - * to the engine. The request will be streamed out or cancelled, - * no more data is coming from it and the engine should update - * its calculations before we destroy this information. */ - h2_req_engine_out_consumed(ngn, task->c, bytes); - } - } - - if (task->engine) { - if (!m->aborted && !task->c->aborted - && !h2_req_engine_is_shutdown(task->engine)) { - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c, APLOGNO(10022) - "h2_mplx(%ld): task(%s) has not-shutdown " - "engine(%s)", m->id, task->id, - h2_req_engine_get_id(task->engine)); - } - h2_ngn_shed_done_ngn(m->ngn_shed, task->engine); - } - task->worker_done = 1; task->done_at = apr_time_now(); ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c, @@ -845,18 +792,24 @@ static void task_done(h2_mplx *m, h2_tas m->id, m->limit_active); } } - + + ap_assert(task->done_done == 0); + stream = h2_ihash_get(m->streams, task->stream_id); if (stream) { /* stream not done yet. */ if (!m->aborted && h2_ihash_get(m->sredo, stream->id)) { /* reset and schedule again */ + task->worker_done = 0; h2_task_redo(task); h2_ihash_remove(m->sredo, stream->id); h2_iq_add(m->q, stream->id, NULL, NULL); + ap_log_cerror(APLOG_MARK, APLOG_INFO, 0, m->c, + H2_STRM_MSG(stream, "redo, added to q")); } else { /* stream not cleaned up, stay around */ + task->done_done = 1; ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c, H2_STRM_MSG(stream, "task_done, stream open")); if (stream->input) { @@ -869,6 +822,7 @@ static void task_done(h2_mplx *m, h2_tas } else if ((stream = h2_ihash_get(m->shold, task->stream_id)) != NULL) { /* stream is done, was just waiting for this. */ + task->done_done = 1; ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c, H2_STRM_MSG(stream, "task_done, in hold")); if (stream->input) { @@ -893,7 +847,7 @@ void h2_mplx_task_done(h2_mplx *m, h2_ta { H2_MPLX_ENTER_ALWAYS(m); - task_done(m, task, NULL); + task_done(m, task); --m->tasks_active; if (m->join_wait) { @@ -976,6 +930,9 @@ static apr_status_t unschedule_slow_task */ n = (m->tasks_active - m->limit_active - (int)h2_ihash_count(m->sredo)); while (n > 0 && (stream = get_latest_repeatable_unsubmitted_stream(m))) { + ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c, + "h2_mplx(%s): unschedule, resetting task for redo later", + stream->task->id); h2_task_rst(stream->task, H2_ERR_CANCEL); h2_ihash_add(m->sredo, stream); --n; @@ -1084,142 +1041,6 @@ apr_status_t h2_mplx_idle(h2_mplx *m) } /******************************************************************************* - * HTTP/2 request engines - ******************************************************************************/ - -typedef struct { - h2_mplx * m; - h2_req_engine *ngn; - int streams_updated; -} ngn_update_ctx; - -static int ngn_update_window(void *ctx, void *val) -{ - ngn_update_ctx *uctx = ctx; - h2_stream *stream = val; - if (stream->task && stream->task->assigned == uctx->ngn - && output_consumed_signal(uctx->m, stream->task)) { - ++uctx->streams_updated; - } - return 1; -} - -static apr_status_t ngn_out_update_windows(h2_mplx *m, h2_req_engine *ngn) -{ - ngn_update_ctx ctx; - - ctx.m = m; - ctx.ngn = ngn; - ctx.streams_updated = 0; - h2_ihash_iter(m->streams, ngn_update_window, &ctx); - - return ctx.streams_updated? APR_SUCCESS : APR_EAGAIN; -} - -apr_status_t h2_mplx_req_engine_push(const char *ngn_type, - request_rec *r, - http2_req_engine_init *einit) -{ - apr_status_t status; - h2_mplx *m; - h2_task *task; - h2_stream *stream; - - task = h2_ctx_rget_task(r); - if (!task) { - return APR_ECONNABORTED; - } - m = task->mplx; - - H2_MPLX_ENTER(m); - - stream = h2_ihash_get(m->streams, task->stream_id); - if (stream) { - status = h2_ngn_shed_push_request(m->ngn_shed, ngn_type, r, einit); - } - else { - status = APR_ECONNABORTED; - } - - H2_MPLX_LEAVE(m); - return status; -} - -apr_status_t h2_mplx_req_engine_pull(h2_req_engine *ngn, - apr_read_type_e block, - int capacity, - request_rec **pr) -{ - h2_ngn_shed *shed = h2_ngn_shed_get_shed(ngn); - h2_mplx *m = h2_ngn_shed_get_ctx(shed); - apr_status_t status; - int want_shutdown; - - H2_MPLX_ENTER(m); - - want_shutdown = (block == APR_BLOCK_READ); - - /* Take this opportunity to update output consummation - * for this engine */ - ngn_out_update_windows(m, ngn); - - if (want_shutdown && !h2_iq_empty(m->q)) { - /* For a blocking read, check first if requests are to be - * had and, if not, wait a short while before doing the - * blocking, and if unsuccessful, terminating read. - */ - status = h2_ngn_shed_pull_request(shed, ngn, capacity, 1, pr); - if (APR_STATUS_IS_EAGAIN(status)) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, m->c, - "h2_mplx(%ld): start block engine pull", m->id); - apr_thread_cond_timedwait(m->task_thawed, m->lock, - apr_time_from_msec(20)); - status = h2_ngn_shed_pull_request(shed, ngn, capacity, 1, pr); - } - } - else { - status = h2_ngn_shed_pull_request(shed, ngn, capacity, - want_shutdown, pr); - } - - H2_MPLX_LEAVE(m); - return status; -} - -void h2_mplx_req_engine_done(h2_req_engine *ngn, conn_rec *r_conn, - apr_status_t status) -{ - h2_task *task = h2_ctx_cget_task(r_conn); - - if (task) { - h2_mplx *m = task->mplx; - h2_stream *stream; - - H2_MPLX_ENTER_ALWAYS(m); - - stream = h2_ihash_get(m->streams, task->stream_id); - - ngn_out_update_windows(m, ngn); - h2_ngn_shed_done_task(m->ngn_shed, ngn, task); - - if (status != APR_SUCCESS && stream - && h2_task_can_redo(task) - && !h2_ihash_get(m->sredo, stream->id)) { - h2_ihash_add(m->sredo, stream); - } - - if (task->engine) { - /* cannot report that as done until engine returns */ - } - else { - task_done(m, task, ngn); - } - - H2_MPLX_LEAVE(m); - } -} - -/******************************************************************************* * mplx master events dispatching ******************************************************************************/ Index: httpd-2.4.23/modules/http2/h2_mplx.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_mplx.h 2019-04-02 13:39:34.072792571 +0200 +++ httpd-2.4.23/modules/http2/h2_mplx.h 2019-04-02 13:42:32.649683136 +0200 @@ -46,8 +46,6 @@ struct h2_request; struct apr_thread_cond_t; struct h2_workers; struct h2_iqueue; -struct h2_ngn_shed; -struct h2_req_engine; #include <apr_queue.h> @@ -85,7 +83,6 @@ struct h2_mplx { apr_thread_mutex_t *lock; struct apr_thread_cond_t *added_output; - struct apr_thread_cond_t *task_thawed; struct apr_thread_cond_t *join_wait; apr_size_t stream_max_mem; @@ -94,8 +91,6 @@ struct h2_mplx { apr_array_header_t *spare_slaves; /* spare slave connections */ struct h2_workers *workers; - - struct h2_ngn_shed *ngn_shed; }; @@ -110,8 +105,7 @@ apr_status_t h2_mplx_child_init(apr_pool * Create the multiplexer for the given HTTP2 session. * Implicitly has reference count 1. */ -h2_mplx *h2_mplx_create(conn_rec *c, apr_pool_t *master, - const struct h2_config *conf, +h2_mplx *h2_mplx_create(conn_rec *c, server_rec *s, apr_pool_t *master, struct h2_workers *workers); /** @@ -302,28 +296,4 @@ APR_RING_INSERT_TAIL((b), ap__b, h2_mplx */ apr_status_t h2_mplx_idle(h2_mplx *m); -/******************************************************************************* - * h2_req_engine handling - ******************************************************************************/ - -typedef void h2_output_consumed(void *ctx, conn_rec *c, apr_off_t consumed); -typedef apr_status_t h2_mplx_req_engine_init(struct h2_req_engine *engine, - const char *id, - const char *type, - apr_pool_t *pool, - apr_size_t req_buffer_size, - request_rec *r, - h2_output_consumed **pconsumed, - void **pbaton); - -apr_status_t h2_mplx_req_engine_push(const char *ngn_type, - request_rec *r, - h2_mplx_req_engine_init *einit); -apr_status_t h2_mplx_req_engine_pull(struct h2_req_engine *ngn, - apr_read_type_e block, - int capacity, - request_rec **pr); -void h2_mplx_req_engine_done(struct h2_req_engine *ngn, conn_rec *r_conn, - apr_status_t status); - #endif /* defined(__mod_h2__h2_mplx__) */ Index: httpd-2.4.23/modules/http2/h2_proxy_session.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_proxy_session.c 2019-04-02 13:39:34.224793330 +0200 +++ httpd-2.4.23/modules/http2/h2_proxy_session.c 2019-04-02 13:39:34.260793510 +0200 @@ -428,12 +428,6 @@ static int stream_response_data(nghttp2_ stream_id, NGHTTP2_STREAM_CLOSED); return NGHTTP2_ERR_STREAM_CLOSING; } - if (stream->standalone) { - nghttp2_session_consume(ngh2, stream_id, len); - ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, stream->r, - "h2_proxy_session(%s): stream %d, win_update %d bytes", - session->id, stream_id, (int)len); - } return 0; } @@ -640,7 +634,7 @@ h2_proxy_session *h2_proxy_session_setup nghttp2_option_new(&option); nghttp2_option_set_peer_max_concurrent_streams(option, 100); - nghttp2_option_set_no_auto_window_update(option, 1); + nghttp2_option_set_no_auto_window_update(option, 0); nghttp2_session_client_new2(&session->ngh2, cbs, session, option); @@ -652,10 +646,12 @@ h2_proxy_session *h2_proxy_session_setup } else { h2_proxy_session *session = p_conn->data; - apr_interval_time_t age = apr_time_now() - session->last_frame_received; - if (age > apr_time_from_sec(1)) { - session->check_ping = 1; - nghttp2_submit_ping(session->ngh2, 0, (const uint8_t *)"nevergonnagiveyouup"); + if (!session->check_ping) { + apr_interval_time_t age = apr_time_now() - session->last_frame_received; + if (age > apr_time_from_sec(1)) { + session->check_ping = 1; + nghttp2_submit_ping(session->ngh2, 0, (const uint8_t *)"nevergonnagiveyouup"); + } } } return p_conn->data; @@ -1542,42 +1538,3 @@ typedef struct { int updated; } win_update_ctx; -static int win_update_iter(void *udata, void *val) -{ - win_update_ctx *ctx = udata; - h2_proxy_stream *stream = val; - - if (stream->r && stream->r->connection == ctx->c) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, ctx->session->c, - "h2_proxy_session(%s-%d): win_update %ld bytes", - ctx->session->id, (int)stream->id, (long)ctx->bytes); - nghttp2_session_consume(ctx->session->ngh2, stream->id, ctx->bytes); - ctx->updated = 1; - return 0; - } - return 1; -} - - -void h2_proxy_session_update_window(h2_proxy_session *session, - conn_rec *c, apr_off_t bytes) -{ - if (!h2_proxy_ihash_empty(session->streams)) { - win_update_ctx ctx; - ctx.session = session; - ctx.c = c; - ctx.bytes = bytes; - ctx.updated = 0; - h2_proxy_ihash_iter(session->streams, win_update_iter, &ctx); - - if (!ctx.updated) { - /* could not find the stream any more, possibly closed, update - * the connection window at least */ - ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, session->c, - "h2_proxy_session(%s): win_update conn %ld bytes", - session->id, (long)bytes); - nghttp2_session_consume_connection(session->ngh2, (size_t)bytes); - } - } -} - Index: httpd-2.4.23/modules/http2/h2_proxy_session.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_proxy_session.h 2019-04-02 13:39:34.072792571 +0200 +++ httpd-2.4.23/modules/http2/h2_proxy_session.h 2019-04-02 13:39:34.260793510 +0200 @@ -119,9 +119,6 @@ void h2_proxy_session_cancel_all(h2_prox void h2_proxy_session_cleanup(h2_proxy_session *s, h2_proxy_request_done *done); -void h2_proxy_session_update_window(h2_proxy_session *s, - conn_rec *c, apr_off_t bytes); - #define H2_PROXY_REQ_URL_NOTE "h2-proxy-req-url" #endif /* h2_proxy_session_h */ Index: httpd-2.4.23/modules/http2/h2_request.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_request.c 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/h2_request.c 2019-04-02 13:42:32.649683136 +0200 @@ -16,6 +16,7 @@ #include <assert.h> #include <apr_strings.h> +#include <ap_mmn.h> #include <httpd.h> #include <http_core.h> @@ -83,8 +84,7 @@ apr_status_t h2_request_rcreate(h2_reque req->path = path; req->headers = apr_table_make(pool, 10); if (r->server) { - req->serialize = h2_config_geti(h2_config_sget(r->server), - H2_CONF_SER_HEADERS); + req->serialize = h2_config_rgeti(r, H2_CONF_SER_HEADERS); } x.pool = pool; @@ -205,13 +205,11 @@ h2_request *h2_request_clone(apr_pool_t return dst; } -request_rec *h2_request_create_rec(const h2_request *req, conn_rec *c) +#if !AP_MODULE_MAGIC_AT_LEAST(20150222, 13) +static request_rec *my_ap_create_request(conn_rec *c) { - int access_status = HTTP_OK; - const char *rpath; apr_pool_t *p; request_rec *r; - const char *s; apr_pool_create(&p, c->pool); apr_pool_tag(p, "request"); @@ -225,8 +223,8 @@ request_rec *h2_request_create_rec(const r->ap_auth_type = NULL; r->allowed_methods = ap_make_method_list(p, 2); - - r->headers_in = apr_table_clone(r->pool, req->headers); + + r->headers_in = apr_table_make(r->pool, 5); r->trailers_in = apr_table_make(r->pool, 5); r->subprocess_env = apr_table_make(r->pool, 25); r->headers_out = apr_table_make(r->pool, 12); @@ -261,11 +259,29 @@ request_rec *h2_request_create_rec(const r->useragent_addr = c->client_addr; r->useragent_ip = c->client_ip; + return r; +} +#endif + +request_rec *h2_request_create_rec(const h2_request *req, conn_rec *c) +{ + int access_status = HTTP_OK; + const char *rpath; + const char *s; + +#if AP_MODULE_MAGIC_AT_LEAST(20150222, 13) + request_rec *r = ap_create_request(c); +#else + request_rec *r = my_ap_create_request(c); +#endif + + r->headers_in = apr_table_clone(r->pool, req->headers); + ap_run_pre_read_request(r, c); /* Time to populate r with the data we have. */ r->request_time = req->request_time; - r->method = req->method; + r->method = apr_pstrdup(r->pool, req->method); /* Provide quick information about the request method as soon as known */ r->method_number = ap_method_number_of(r->method); if (r->method_number == M_GET && r->method[0] == 'H') { @@ -336,3 +352,4 @@ traceout: } + Index: httpd-2.4.23/modules/http2/h2_session.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_session.c 2019-04-02 13:39:34.224793330 +0200 +++ httpd-2.4.23/modules/http2/h2_session.c 2019-04-02 13:42:32.653683156 +0200 @@ -494,9 +494,7 @@ static int on_send_data_cb(nghttp2_sessi return NGHTTP2_ERR_WOULDBLOCK; } - if (frame->data.padlen > H2_MAX_PADLEN) { - return NGHTTP2_ERR_PROTO; - } + ap_assert(frame->data.padlen <= (H2_MAX_PADLEN+1)); padlen = (unsigned char)frame->data.padlen; stream = h2_session_stream_get(session, stream_id); @@ -512,8 +510,9 @@ static int on_send_data_cb(nghttp2_sessi H2_STRM_MSG(stream, "send_data_cb for %ld bytes"), (long)length); - status = h2_conn_io_write(&session->io, (const char *)framehd, 9); + status = h2_conn_io_write(&session->io, (const char *)framehd, H2_FRAME_HDR_LEN); if (padlen && status == APR_SUCCESS) { + --padlen; status = h2_conn_io_write(&session->io, (const char *)&padlen, 1); } @@ -621,6 +620,39 @@ static int on_invalid_header_cb(nghttp2_ } #endif +static ssize_t select_padding_cb(nghttp2_session *ngh2, + const nghttp2_frame *frame, + size_t max_payloadlen, void *user_data) +{ + h2_session *session = user_data; + ssize_t frame_len = frame->hd.length + H2_FRAME_HDR_LEN; /* the total length without padding */ + ssize_t padded_len = frame_len; + + /* Determine # of padding bytes to append to frame. Unless session->padding_always + * the number my be capped by the ui.write_size that currently applies. + */ + if (session->padding_max) { + int n = ap_random_pick(0, session->padding_max); + padded_len = H2MIN(max_payloadlen + H2_FRAME_HDR_LEN, frame_len + n); + } + + if (padded_len != frame_len) { + if (!session->padding_always && session->io.write_size + && (padded_len > session->io.write_size) + && (frame_len <= session->io.write_size)) { + padded_len = session->io.write_size; + } + if (APLOGctrace2(session->c)) { + ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, session->c, + "select padding from [%d, %d]: %d (frame length: 0x%04x, write size: %d)", + (int)frame_len, (int)max_payloadlen+H2_FRAME_HDR_LEN, + (int)(padded_len - frame_len), (int)padded_len, (int)session->io.write_size); + } + return padded_len - H2_FRAME_HDR_LEN; + } + return frame->hd.length; +} + #define NGH2_SET_CALLBACK(callbacks, name, fn)\ nghttp2_session_callbacks_set_##name##_callback(callbacks, fn) @@ -646,6 +678,7 @@ static apr_status_t init_callbacks(conn_ #ifdef H2_NG2_INVALID_HEADER_CB NGH2_SET_CALLBACK(*pcb, on_invalid_header, on_invalid_header_cb); #endif + NGH2_SET_CALLBACK(*pcb, select_padding, select_padding_cb); return APR_SUCCESS; } @@ -756,9 +789,8 @@ static apr_status_t session_pool_cleanup { conn_rec *c = data; h2_session *session; - h2_ctx *ctx = h2_ctx_get(c, 0); - if (ctx && (session = h2_ctx_session_get(ctx))) { + if ((session = h2_ctx_get_session(c))) { /* if the session is still there, now is the last chance * to perform cleanup. Normally, cleanup should have happened * earlier in the connection pre_close. Main reason is that @@ -774,11 +806,8 @@ static apr_status_t session_pool_cleanup return APR_SUCCESS; } -static apr_status_t h2_session_create_int(h2_session **psession, - conn_rec *c, - request_rec *r, - h2_ctx *ctx, - h2_workers *workers) +apr_status_t h2_session_create(h2_session **psession, conn_rec *c, request_rec *r, + server_rec *s, h2_workers *workers) { nghttp2_session_callbacks *callbacks = NULL; nghttp2_option *options = NULL; @@ -819,19 +848,16 @@ static apr_status_t h2_session_create_in session->id = c->id; session->c = c; session->r = r; - session->s = h2_ctx_server_get(ctx); + session->s = s; session->pool = pool; - session->config = h2_config_sget(session->s); session->workers = workers; session->state = H2_SESSION_ST_INIT; session->local.accepting = 1; session->remote.accepting = 1; - session->max_stream_count = h2_config_geti(session->config, - H2_CONF_MAX_STREAMS); - session->max_stream_mem = h2_config_geti(session->config, - H2_CONF_STREAM_MAX_MEM); + session->max_stream_count = h2_config_sgeti(s, H2_CONF_MAX_STREAMS); + session->max_stream_mem = h2_config_sgeti(s, H2_CONF_STREAM_MAX_MEM); status = apr_thread_cond_create(&session->iowait, session->pool); if (status != APR_SUCCESS) { @@ -861,14 +887,18 @@ static apr_status_t h2_session_create_in session->monitor->on_state_event = on_stream_state_event; session->monitor->on_event = on_stream_event; - session->mplx = h2_mplx_create(c, session->pool, session->config, - workers); + session->mplx = h2_mplx_create(c, s, session->pool, workers); /* connection input filter that feeds the session */ session->cin = h2_filter_cin_create(session); ap_add_input_filter("H2_IN", session->cin, r, c); - h2_conn_io_init(&session->io, c, session->config); + h2_conn_io_init(&session->io, c, s); + session->padding_max = h2_config_sgeti(s, H2_CONF_PADDING_BITS); + if (session->padding_max) { + session->padding_max = (0x01 << session->padding_max) - 1; + } + session->padding_always = h2_config_sgeti(s, H2_CONF_PADDING_ALWAYS); session->bbtmp = apr_brigade_create(session->pool, c->bucket_alloc); status = init_callbacks(c, &callbacks); @@ -887,8 +917,7 @@ static apr_status_t h2_session_create_in apr_pool_destroy(pool); return status; } - nghttp2_option_set_peer_max_concurrent_streams( - options, (uint32_t)session->max_stream_count); + nghttp2_option_set_peer_max_concurrent_streams(options, (uint32_t)session->max_stream_count); /* We need to handle window updates ourself, otherwise we * get flooded by nghttp2. */ nghttp2_option_set_no_auto_window_update(options, 1); @@ -906,7 +935,7 @@ static apr_status_t h2_session_create_in return APR_ENOMEM; } - n = h2_config_geti(session->config, H2_CONF_PUSH_DIARY_SIZE); + n = h2_config_sgeti(s, H2_CONF_PUSH_DIARY_SIZE); session->push_diary = h2_push_diary_create(session->pool, n); if (APLOGcdebug(c)) { @@ -923,20 +952,9 @@ static apr_status_t h2_session_create_in (int)session->push_diary->N); } - apr_pool_pre_cleanup_register(pool, c, session_pool_cleanup); - return APR_SUCCESS; -} - -apr_status_t h2_session_create(h2_session **psession, - conn_rec *c, h2_ctx *ctx, h2_workers *workers) -{ - return h2_session_create_int(psession, c, NULL, ctx, workers); -} + apr_pool_pre_cleanup_register(pool, c, session_pool_cleanup); -apr_status_t h2_session_rcreate(h2_session **psession, - request_rec *r, h2_ctx *ctx, h2_workers *workers) -{ - return h2_session_create_int(psession, r->connection, r, ctx, workers); + return APR_SUCCESS; } static apr_status_t h2_session_start(h2_session *session, int *rv) @@ -1003,7 +1021,7 @@ static apr_status_t h2_session_start(h2_ settings[slen].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; settings[slen].value = (uint32_t)session->max_stream_count; ++slen; - win_size = h2_config_geti(session->config, H2_CONF_WIN_SIZE); + win_size = h2_config_sgeti(session->s, H2_CONF_WIN_SIZE); if (win_size != H2_INITIAL_WINDOW_SIZE) { settings[slen].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; settings[slen].value = win_size; @@ -1279,7 +1297,7 @@ int h2_session_push_enabled(h2_session * { /* iff we can and they can and want */ return (session->remote.accepting /* remote GOAWAY received */ - && h2_config_geti(session->config, H2_CONF_PUSH) + && h2_config_sgeti(session->s, H2_CONF_PUSH) && nghttp2_session_get_remote_settings(session->ngh2, NGHTTP2_SETTINGS_ENABLE_PUSH)); } @@ -1323,6 +1341,7 @@ static apr_status_t on_stream_headers(h2 int eos) { apr_status_t status = APR_SUCCESS; + const char *s; int rv = 0; ap_assert(session); @@ -1390,8 +1409,12 @@ static apr_status_t on_stream_headers(h2 && (headers->status < 400) && (headers->status != 304) && h2_session_push_enabled(session)) { - - h2_stream_submit_pushes(stream, headers); + /* PUSH is possibe and enabled on server, unless the request + * denies it, submit resources to push */ + s = apr_table_get(headers->notes, H2_PUSH_MODE_NOTE); + if (!s || strcmp(s, "0")) { + h2_stream_submit_pushes(stream, headers); + } } if (!stream->pref_priority) { @@ -1413,7 +1436,7 @@ static apr_status_t on_stream_headers(h2 } if (headers->status == 103 - && !h2_config_geti(session->config, H2_CONF_EARLY_HINTS)) { + && !h2_config_sgeti(session->s, H2_CONF_EARLY_HINTS)) { /* suppress sending this to the client, it might have triggered * pushes and served its purpose nevertheless */ rv = 0; @@ -2088,7 +2111,7 @@ apr_status_t h2_session_process(h2_sessi switch (session->state) { case H2_SESSION_ST_INIT: ap_update_child_status_from_conn(c->sbh, SERVER_BUSY_READ, c); - if (!h2_is_acceptable_connection(c, 1)) { + if (!h2_is_acceptable_connection(c, session->r, 1)) { update_child_status(session, SERVER_BUSY_READ, "inadequate security"); h2_session_shutdown(session, Index: httpd-2.4.23/modules/http2/h2_session.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_session.h 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/h2_session.h 2019-04-02 13:42:32.653683156 +0200 @@ -79,12 +79,13 @@ typedef struct h2_session { request_rec *r; /* the request that started this in case * of 'h2c', NULL otherwise */ server_rec *s; /* server/vhost we're starting on */ - const struct h2_config *config; /* Relevant config for this session */ apr_pool_t *pool; /* pool to use in session */ struct h2_mplx *mplx; /* multiplexer for stream data */ struct h2_workers *workers; /* for executing stream tasks */ struct h2_filter_cin *cin; /* connection input filter context */ h2_conn_io io; /* io on httpd conn filters */ + int padding_max; /* max number of padding bytes */ + int padding_always; /* padding has precedence over I/O optimizations */ struct nghttp2_session *ngh2; /* the nghttp2 session (internal use) */ h2_session_state state; /* state session is in */ @@ -141,27 +142,15 @@ const char *h2_session_state_str(h2_sess * The session will apply the configured parameter. * @param psession pointer receiving the created session on success or NULL * @param c the connection to work on + * @param r optional request when protocol was upgraded * @param cfg the module config to apply * @param workers the worker pool to use * @return the created session */ apr_status_t h2_session_create(h2_session **psession, - conn_rec *c, struct h2_ctx *ctx, + conn_rec *c, request_rec *r, server_rec *, struct h2_workers *workers); -/** - * Create a new h2_session for the given request. - * The session will apply the configured parameter. - * @param psession pointer receiving the created session on success or NULL - * @param r the request that was upgraded - * @param cfg the module config to apply - * @param workers the worker pool to use - * @return the created session - */ -apr_status_t h2_session_rcreate(h2_session **psession, - request_rec *r, struct h2_ctx *ctx, - struct h2_workers *workers); - void h2_session_event(h2_session *session, h2_session_event_t ev, int err, const char *msg); Index: httpd-2.4.23/modules/http2/h2_stream.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_stream.c 2019-04-02 13:39:34.224793330 +0200 +++ httpd-2.4.23/modules/http2/h2_stream.c 2019-04-02 13:42:32.653683156 +0200 @@ -364,9 +364,8 @@ void h2_stream_dispatch(h2_stream *strea static void set_policy_for(h2_stream *stream, h2_request *r) { int enabled = h2_session_push_enabled(stream->session); - stream->push_policy = h2_push_policy_determine(r->headers, stream->pool, - enabled); - r->serialize = h2_config_geti(stream->session->config, H2_CONF_SER_HEADERS); + stream->push_policy = h2_push_policy_determine(r->headers, stream->pool, enabled); + r->serialize = h2_config_sgeti(stream->session->s, H2_CONF_SER_HEADERS); } apr_status_t h2_stream_send_frame(h2_stream *stream, int ftype, int flags, size_t frame_len) @@ -854,7 +853,7 @@ apr_status_t h2_stream_out_prepare(h2_st * is requested. But we can reduce the size in case the master * connection operates in smaller chunks. (TSL warmup) */ if (stream->session->io.write_size > 0) { - max_chunk = stream->session->io.write_size - 9; /* header bits */ + max_chunk = stream->session->io.write_size - H2_FRAME_HDR_LEN; } requested = (*plen > 0)? H2MIN(*plen, max_chunk) : max_chunk; @@ -986,7 +985,7 @@ const h2_priority *h2_stream_get_priorit const char *ctype = apr_table_get(response->headers, "content-type"); if (ctype) { /* FIXME: Not good enough, config needs to come from request->server */ - return h2_config_get_priority(stream->session->config, ctype); + return h2_cconfig_get_priority(stream->session->c, ctype); } } return NULL; Index: httpd-2.4.23/modules/http2/h2_switch.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_switch.c 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/h2_switch.c 2019-04-02 13:42:32.653683156 +0200 @@ -54,7 +54,6 @@ static int h2_protocol_propose(conn_rec int is_tls = h2_h2_is_tls(c); const char **protos = is_tls? h2_tls_protos : h2_clear_protos; - (void)s; if (!h2_mpm_supported()) { return DECLINED; } @@ -67,7 +66,7 @@ static int h2_protocol_propose(conn_rec return DECLINED; } - if (!h2_is_acceptable_connection(c, 0)) { + if (!h2_is_acceptable_connection(c, r, 0)) { ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03084) "protocol propose: connection requirements not met"); return DECLINED; @@ -80,7 +79,7 @@ static int h2_protocol_propose(conn_rec */ const char *p; - if (!h2_allows_h2_upgrade(c)) { + if (!h2_allows_h2_upgrade(r)) { return DECLINED; } @@ -149,7 +148,7 @@ static int h2_protocol_switch(conn_rec * ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "switching protocol to '%s'", protocol); h2_ctx_protocol_set(ctx, protocol); - h2_ctx_server_set(ctx, s); + h2_ctx_server_update(ctx, s); if (r != NULL) { apr_status_t status; @@ -163,8 +162,8 @@ static int h2_protocol_switch(conn_rec * ap_remove_output_filter_byhandle(r->output_filters, "HTTP_HEADER"); /* Ok, start an h2_conn on this one. */ - h2_ctx_server_set(ctx, r->server); - status = h2_conn_setup(ctx, r->connection, r); + status = h2_conn_setup(c, r, s); + if (status != APR_SUCCESS) { ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(03088) "session setup"); @@ -172,7 +171,7 @@ static int h2_protocol_switch(conn_rec * return !OK; } - h2_conn_run(ctx, c); + h2_conn_run(c); } return OK; } Index: httpd-2.4.23/modules/http2/h2_task.c =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_task.c 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/h2_task.c 2019-04-02 13:39:34.264793530 +0200 @@ -96,7 +96,7 @@ static apr_status_t send_out(h2_task *ta apr_brigade_length(bb, 0, &written); H2_TASK_OUT_LOG(APLOG_TRACE2, task, bb, "h2_task send_out"); h2_beam_log(task->output.beam, task->c, APLOG_TRACE2, "send_out(before)"); - /* engines send unblocking */ + status = h2_beam_send(task->output.beam, bb, block? APR_BLOCK_READ : APR_NONBLOCK_READ); h2_beam_log(task->output.beam, task->c, APLOG_TRACE2, "send_out(after)"); @@ -132,26 +132,9 @@ static apr_status_t slave_out(h2_task *t apr_status_t rv = APR_SUCCESS; int flush = 0, blocking; - if (task->frozen) { - h2_util_bb_log(task->c, task->stream_id, APLOG_TRACE2, - "frozen task output write, ignored", bb); - while (!APR_BRIGADE_EMPTY(bb)) { - b = APR_BRIGADE_FIRST(bb); - if (AP_BUCKET_IS_EOR(b)) { - APR_BUCKET_REMOVE(b); - task->eor = b; - } - else { - apr_bucket_delete(b); - } - } - return APR_SUCCESS; - } - send: - /* we send block once we opened the output, so someone is there - * reading it *and* the task is not assigned to a h2_req_engine */ - blocking = (!task->assigned && task->output.opened); + /* we send block once we opened the output, so someone is there reading it */ + blocking = task->output.opened; for (b = APR_BRIGADE_FIRST(bb); b != APR_BRIGADE_SENTINEL(bb); b = APR_BUCKET_NEXT(b)) { @@ -235,7 +218,7 @@ static apr_status_t h2_filter_slave_in(a apr_size_t rmax = ((readbytes <= APR_SIZE_MAX)? (apr_size_t)readbytes : APR_SIZE_MAX); - task = h2_ctx_cget_task(f->c); + task = h2_ctx_get_task(f->c); ap_assert(task); if (trace1) { @@ -309,11 +292,9 @@ static apr_status_t h2_filter_slave_in(a } } - /* Nothing there, no more data to get. Return APR_EAGAIN on - * speculative reads, this is ap_check_pipeline()'s trick to - * see if the connection needs closing. */ + /* Nothing there, no more data to get. Return. */ if (status == APR_EOF && APR_BRIGADE_EMPTY(task->input.bb)) { - return (mode == AP_MODE_SPECULATIVE)? APR_EAGAIN : APR_EOF; + return status; } if (trace1) { @@ -378,7 +359,7 @@ static apr_status_t h2_filter_slave_in(a static apr_status_t h2_filter_slave_output(ap_filter_t* filter, apr_bucket_brigade* brigade) { - h2_task *task = h2_ctx_cget_task(filter->c); + h2_task *task = h2_ctx_get_task(filter->c); apr_status_t status; ap_assert(task); @@ -391,7 +372,7 @@ static apr_status_t h2_filter_slave_outp static apr_status_t h2_filter_parse_h1(ap_filter_t* f, apr_bucket_brigade* bb) { - h2_task *task = h2_ctx_cget_task(f->c); + h2_task *task = h2_ctx_get_task(f->c); apr_status_t status; ap_assert(task); @@ -501,9 +482,9 @@ static int h2_task_pre_conn(conn_rec* c, ctx = h2_ctx_get(c, 0); (void)arg; - if (h2_ctx_is_task(ctx)) { + if (ctx->task) { ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c, - "h2_h2, pre_connection, found stream task"); + "h2_slave(%s), pre_connection, adding filters", c->log_id); ap_add_input_filter("H2_SLAVE_IN", NULL, NULL, c); ap_add_output_filter("H2_PARSE_H1", NULL, NULL, c); ap_add_output_filter("H2_SLAVE_OUT", NULL, NULL, c); @@ -524,6 +505,7 @@ h2_task *h2_task_create(conn_rec *slave, ap_assert(req); apr_pool_create(&pool, slave->pool); + apr_pool_tag(pool, "h2_task"); task = apr_pcalloc(pool, sizeof(h2_task)); if (task == NULL) { return NULL; @@ -544,7 +526,6 @@ h2_task *h2_task_create(conn_rec *slave, void h2_task_destroy(h2_task *task) { if (task->output.beam) { - h2_beam_log(task->output.beam, task->c, APLOG_TRACE2, "task_destroy"); h2_beam_destroy(task->output.beam); task->output.beam = NULL; } @@ -598,7 +579,6 @@ apr_status_t h2_task_do(h2_task *task, a slave_id = worker_id; } task->c->id = (c->master->id << free_bits)^slave_id; - c->keepalive = AP_CONN_KEEPALIVE; } h2_beam_create(&task->output.beam, c->pool, task->stream_id, "output", @@ -633,18 +613,9 @@ apr_status_t h2_task_do(h2_task *task, a task->c->current_thread = thread; ap_run_process_connection(c); - if (task->frozen) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "h2_task(%s): process_conn returned frozen task", - task->id); - /* cleanup delayed */ - return APR_EAGAIN; - } - else { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "h2_task(%s): processing done", task->id); - return output_finish(task); - } + ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, + "h2_task(%s): processing done", task->id); + return output_finish(task); } static apr_status_t h2_task_process_request(h2_task *task, conn_rec *c) @@ -682,14 +653,8 @@ static apr_status_t h2_task_process_requ ap_process_request(r); - if (task->frozen) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "h2_task(%s): process_request frozen", task->id); - } - else { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "h2_task(%s): process_request done", task->id); - } + ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, + "h2_task(%s): process_request done", task->id); /* After the call to ap_process_request, the * request pool may have been deleted. We set @@ -724,7 +689,7 @@ static int h2_task_process_conn(conn_rec } ctx = h2_ctx_get(c, 0); - if (h2_ctx_is_task(ctx)) { + if (ctx->task) { if (!ctx->task->request->serialize) { ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, "h2_h2, processing request directly"); @@ -741,28 +706,3 @@ static int h2_task_process_conn(conn_rec return DECLINED; } -apr_status_t h2_task_freeze(h2_task *task) -{ - if (!task->frozen) { - task->frozen = 1; - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, task->c, APLOGNO(03406) - "h2_task(%s), frozen", task->id); - } - return APR_SUCCESS; -} - -apr_status_t h2_task_thaw(h2_task *task) -{ - if (task->frozen) { - task->frozen = 0; - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, task->c, APLOGNO(03407) - "h2_task(%s), thawed", task->id); - } - task->thawed = 1; - return APR_SUCCESS; -} - -int h2_task_has_thawed(h2_task *task) -{ - return task->thawed; -} Index: httpd-2.4.23/modules/http2/h2_task.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_task.h 2019-04-02 13:39:34.076792591 +0200 +++ httpd-2.4.23/modules/http2/h2_task.h 2019-04-02 13:42:32.653683156 +0200 @@ -41,7 +41,6 @@ struct h2_bucket_beam; struct h2_conn; struct h2_mplx; struct h2_task; -struct h2_req_engine; struct h2_request; struct h2_response_parser; struct h2_stream; @@ -79,17 +78,14 @@ struct h2_task { struct h2_mplx *mplx; unsigned int filters_set : 1; - unsigned int frozen : 1; - unsigned int thawed : 1; unsigned int worker_started : 1; /* h2_worker started processing */ - unsigned int worker_done : 1; /* h2_worker finished */ + + int worker_done; /* h2_worker finished */ + int done_done; /* task_done has been handled */ apr_time_t started_at; /* when processing started */ apr_time_t done_at; /* when processing was done */ apr_bucket *eor; - - struct h2_req_engine *engine; /* engine hosted by this task */ - struct h2_req_engine *assigned; /* engine that task has been assigned to */ }; h2_task *h2_task_create(conn_rec *slave, int stream_id, @@ -119,8 +115,4 @@ apr_status_t h2_task_init(apr_pool_t *po extern APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_in) *h2_task_logio_add_bytes_in; extern APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *h2_task_logio_add_bytes_out; -apr_status_t h2_task_freeze(h2_task *task); -apr_status_t h2_task_thaw(h2_task *task); -int h2_task_has_thawed(h2_task *task); - #endif /* defined(__mod_h2__h2_task__) */ Index: httpd-2.4.23/modules/http2/h2_version.h =================================================================== --- httpd-2.4.23.orig/modules/http2/h2_version.h 2019-04-02 13:39:34.224793330 +0200 +++ httpd-2.4.23/modules/http2/h2_version.h 2019-04-02 13:39:34.264793530 +0200 @@ -26,7 +26,7 @@ * @macro * Version number of the http2 module as c string */ -#define MOD_HTTP2_VERSION "1.11.4" +#define MOD_HTTP2_VERSION "1.14.1" /** * @macro @@ -34,7 +34,6 @@ * release. This is a 24 bit number with 8 bits for major number, 8 bits * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203. */ -#define MOD_HTTP2_VERSION_NUM 0x010b04 - +#define MOD_HTTP2_VERSION_NUM 0x010e01 #endif /* mod_h2_h2_version_h */ Index: httpd-2.4.23/modules/http2/mod_http2.c =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_http2.c 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/mod_http2.c 2019-04-02 13:42:32.653683156 +0200 @@ -171,27 +171,6 @@ static char *http2_var_lookup(apr_pool_t conn_rec *, request_rec *, char *name); static int http2_is_h2(conn_rec *); -static apr_status_t http2_req_engine_push(const char *ngn_type, - request_rec *r, - http2_req_engine_init *einit) -{ - return h2_mplx_req_engine_push(ngn_type, r, einit); -} - -static apr_status_t http2_req_engine_pull(h2_req_engine *ngn, - apr_read_type_e block, - int capacity, - request_rec **pr) -{ - return h2_mplx_req_engine_pull(ngn, block, capacity, pr); -} - -static void http2_req_engine_done(h2_req_engine *ngn, conn_rec *r_conn, - apr_status_t status) -{ - h2_mplx_req_engine_done(ngn, r_conn, status); -} - static void http2_get_num_workers(server_rec *s, int *minw, int *maxw) { h2_get_num_workers(s, minw, maxw); @@ -219,9 +198,6 @@ static void h2_hooks(apr_pool_t *pool) APR_REGISTER_OPTIONAL_FN(http2_is_h2); APR_REGISTER_OPTIONAL_FN(http2_var_lookup); - APR_REGISTER_OPTIONAL_FN(http2_req_engine_push); - APR_REGISTER_OPTIONAL_FN(http2_req_engine_pull); - APR_REGISTER_OPTIONAL_FN(http2_req_engine_done); APR_REGISTER_OPTIONAL_FN(http2_get_num_workers); ap_log_perror(APLOG_MARK, APLOG_TRACE1, 0, pool, "installing hooks"); @@ -259,9 +235,8 @@ static const char *val_H2_PUSH(apr_pool_ { if (ctx) { if (r) { - h2_task *task = h2_ctx_get_task(ctx); - if (task) { - h2_stream *stream = h2_mplx_stream_get(task->mplx, task->stream_id); + if (ctx->task) { + h2_stream *stream = h2_mplx_stream_get(ctx->task->mplx, ctx->task->stream_id); if (stream && stream->push_policy != H2_PUSH_NONE) { return "on"; } @@ -272,8 +247,7 @@ static const char *val_H2_PUSH(apr_pool_ } } else if (s) { - const h2_config *cfg = h2_config_sget(s); - if (cfg && h2_config_geti(cfg, H2_CONF_PUSH)) { + if (h2_config_geti(r, s, H2_CONF_PUSH)) { return "on"; } } @@ -284,8 +258,7 @@ static const char *val_H2_PUSHED(apr_poo conn_rec *c, request_rec *r, h2_ctx *ctx) { if (ctx) { - h2_task *task = h2_ctx_get_task(ctx); - if (task && !H2_STREAM_CLIENT_INITIATED(task->stream_id)) { + if (ctx->task && !H2_STREAM_CLIENT_INITIATED(ctx->task->stream_id)) { return "PUSHED"; } } @@ -296,9 +269,8 @@ static const char *val_H2_PUSHED_ON(apr_ conn_rec *c, request_rec *r, h2_ctx *ctx) { if (ctx) { - h2_task *task = h2_ctx_get_task(ctx); - if (task && !H2_STREAM_CLIENT_INITIATED(task->stream_id)) { - h2_stream *stream = h2_mplx_stream_get(task->mplx, task->stream_id); + if (ctx->task && !H2_STREAM_CLIENT_INITIATED(ctx->task->stream_id)) { + h2_stream *stream = h2_mplx_stream_get(ctx->task->mplx, ctx->task->stream_id); if (stream) { return apr_itoa(p, stream->initiated_on); } @@ -311,9 +283,8 @@ static const char *val_H2_STREAM_TAG(apr conn_rec *c, request_rec *r, h2_ctx *ctx) { if (ctx) { - h2_task *task = h2_ctx_get_task(ctx); - if (task) { - return task->id; + if (ctx->task) { + return ctx->task->id; } } return ""; @@ -365,7 +336,7 @@ static char *http2_var_lookup(apr_pool_t for (i = 0; i < H2_ALEN(H2_VARS); ++i) { h2_var_def *vdef = &H2_VARS[i]; if (!strcmp(vdef->name, name)) { - h2_ctx *ctx = (r? h2_ctx_rget(r) : + h2_ctx *ctx = (r? h2_ctx_get(c, 0) : h2_ctx_get(c->master? c->master : c, 0)); return (char *)vdef->lookup(p, s, c, r, ctx); } @@ -376,7 +347,7 @@ static char *http2_var_lookup(apr_pool_t static int h2_h2_fixups(request_rec *r) { if (r->connection->master) { - h2_ctx *ctx = h2_ctx_rget(r); + h2_ctx *ctx = h2_ctx_get(r->connection, 0); int i; for (i = 0; ctx && i < H2_ALEN(H2_VARS); ++i) { Index: httpd-2.4.23/modules/http2/mod_http2.dep =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_http2.dep 2019-04-02 13:39:34.080792611 +0200 +++ httpd-2.4.23/modules/http2/mod_http2.dep 2019-04-02 13:39:34.264793530 +0200 @@ -694,7 +694,6 @@ ".\h2_ctx.h"\ ".\h2_h2.h"\ ".\h2_mplx.h"\ - ".\h2_ngn_shed.h"\ ".\h2_private.h"\ ".\h2_request.h"\ ".\h2_stream.h"\ @@ -754,7 +753,6 @@ ".\h2_ctx.h"\ ".\h2_h2.h"\ ".\h2_mplx.h"\ - ".\h2_ngn_shed.h"\ ".\h2_private.h"\ ".\h2_request.h"\ ".\h2_task.h"\ Index: httpd-2.4.23/modules/http2/mod_http2.dsp =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_http2.dsp 2019-04-02 13:39:34.080792611 +0200 +++ httpd-2.4.23/modules/http2/mod_http2.dsp 2019-04-02 13:39:34.264793530 +0200 @@ -145,10 +145,6 @@ SOURCE=./h2_mplx.c # End Source File # Begin Source File -SOURCE=./h2_ngn_shed.c -# End Source File -# Begin Source File - SOURCE=./h2_push.c # End Source File # Begin Source File Index: httpd-2.4.23/modules/http2/mod_http2.h =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_http2.h 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/mod_http2.h 2019-04-02 13:42:32.653683156 +0200 @@ -29,22 +29,20 @@ APR_DECLARE_OPTIONAL_FN(int, /******************************************************************************* - * HTTP/2 request engines + * START HTTP/2 request engines (DEPRECATED) ******************************************************************************/ + +/* The following functions were introduced for the experimental mod_proxy_http2 + * support, but have been abandoned since. + * They are still declared here for backward compatibiliy, in case someone + * tries to build an old mod_proxy_http2 against it, but will disappear + * completely sometime in the future. + */ struct apr_thread_cond_t; - typedef struct h2_req_engine h2_req_engine; - typedef void http2_output_consumed(void *ctx, conn_rec *c, apr_off_t consumed); -/** - * Initialize a h2_req_engine. The structure will be passed in but - * only the name and master are set. The function should initialize - * all fields. - * @param engine the allocated, partially filled structure - * @param r the first request to process, or NULL - */ typedef apr_status_t http2_req_engine_init(h2_req_engine *engine, const char *id, const char *type, @@ -54,35 +52,11 @@ typedef apr_status_t http2_req_engine_in http2_output_consumed **pconsumed, void **pbaton); -/** - * Push a request to an engine with the specified name for further processing. - * If no such engine is available, einit is not NULL, einit is called - * with a new engine record and the caller is responsible for running the - * new engine instance. - * @param engine_type the type of the engine to add the request to - * @param r the request to push to an engine for processing - * @param einit an optional initialization callback for a new engine - * of the requested type, should no instance be available. - * By passing a non-NULL callback, the caller is willing - * to init and run a new engine itself. - * @return APR_SUCCESS iff slave was successfully added to an engine - */ APR_DECLARE_OPTIONAL_FN(apr_status_t, http2_req_engine_push, (const char *engine_type, request_rec *r, http2_req_engine_init *einit)); -/** - * Get a new request for processing in this engine. - * @param engine the engine which is done processing the slave - * @param block if call should block waiting for request to come - * @param capacity how many parallel requests are acceptable - * @param pr the request that needs processing or NULL - * @return APR_SUCCESS if new request was assigned - * APR_EAGAIN if no new request is available - * APR_EOF if engine may shut down, as no more request will be scheduled - * APR_ECONNABORTED if the engine needs to shut down immediately - */ APR_DECLARE_OPTIONAL_FN(apr_status_t, http2_req_engine_pull, (h2_req_engine *engine, apr_read_type_e block, @@ -97,4 +71,8 @@ APR_DECLARE_OPTIONAL_FN(void, http2_get_num_workers, (server_rec *s, int *minw, int *max)); +/******************************************************************************* + * END HTTP/2 request engines (DEPRECATED) + ******************************************************************************/ + #endif Index: httpd-2.4.23/modules/http2/mod_http2.mak =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_http2.mak 2019-04-02 13:39:34.080792611 +0200 +++ httpd-2.4.23/modules/http2/mod_http2.mak 2019-04-02 13:39:34.264793530 +0200 @@ -61,7 +61,6 @@ CLEAN : -@erase "$(INTDIR)\h2_h2.obj" -@erase "$(INTDIR)\h2_headers.obj" -@erase "$(INTDIR)\h2_mplx.obj" - -@erase "$(INTDIR)\h2_ngn_shed.obj" -@erase "$(INTDIR)\h2_push.obj" -@erase "$(INTDIR)\h2_request.obj" -@erase "$(INTDIR)\h2_session.obj" @@ -138,7 +137,6 @@ LINK32_OBJS= \ "$(INTDIR)\h2_h2.obj" \ "$(INTDIR)\h2_headers.obj" \ "$(INTDIR)\h2_mplx.obj" \ - "$(INTDIR)\h2_ngn_shed.obj" \ "$(INTDIR)\h2_push.obj" \ "$(INTDIR)\h2_request.obj" \ "$(INTDIR)\h2_session.obj" \ @@ -207,7 +205,6 @@ CLEAN : -@erase "$(INTDIR)\h2_h2.obj" -@erase "$(INTDIR)\h2_headers.obj" -@erase "$(INTDIR)\h2_mplx.obj" - -@erase "$(INTDIR)\h2_ngn_shed.obj" -@erase "$(INTDIR)\h2_push.obj" -@erase "$(INTDIR)\h2_request.obj" -@erase "$(INTDIR)\h2_session.obj" @@ -284,7 +281,6 @@ LINK32_OBJS= \ "$(INTDIR)\h2_h2.obj" \ "$(INTDIR)\h2_headers.obj" \ "$(INTDIR)\h2_mplx.obj" \ - "$(INTDIR)\h2_ngn_shed.obj" \ "$(INTDIR)\h2_push.obj" \ "$(INTDIR)\h2_request.obj" \ "$(INTDIR)\h2_session.obj" \ @@ -469,11 +465,6 @@ SOURCE=./h2_mplx.c "$(INTDIR)\h2_mplx.obj" : $(SOURCE) "$(INTDIR)" -SOURCE=./h2_ngn_shed.c - -"$(INTDIR)\h2_ngn_shed.obj" : $(SOURCE) "$(INTDIR)" - - SOURCE=./h2_push.c "$(INTDIR)\h2_push.obj" : $(SOURCE) "$(INTDIR)" Index: httpd-2.4.23/modules/http2/mod_proxy_http2.c =================================================================== --- httpd-2.4.23.orig/modules/http2/mod_proxy_http2.c 2019-04-02 13:39:34.196793190 +0200 +++ httpd-2.4.23/modules/http2/mod_proxy_http2.c 2019-04-02 13:42:32.653683156 +0200 @@ -15,13 +15,14 @@ #include <nghttp2/nghttp2.h> +#include <ap_mmn.h> #include <httpd.h> #include <mod_proxy.h> #include "mod_http2.h" #include "mod_proxy_http2.h" -#include "h2_request.h" +#include "h2.h" #include "h2_proxy_util.h" #include "h2_version.h" #include "h2_proxy_session.h" @@ -45,19 +46,12 @@ AP_DECLARE_MODULE(proxy_http2) = { /* Optional functions from mod_http2 */ static int (*is_h2)(conn_rec *c); -static apr_status_t (*req_engine_push)(const char *name, request_rec *r, - http2_req_engine_init *einit); -static apr_status_t (*req_engine_pull)(h2_req_engine *engine, - apr_read_type_e block, - int capacity, - request_rec **pr); -static void (*req_engine_done)(h2_req_engine *engine, conn_rec *r_conn, - apr_status_t status); - + typedef struct h2_proxy_ctx { + const char *id; + conn_rec *master; conn_rec *owner; apr_pool_t *pool; - request_rec *rbase; server_rec *server; const char *proxy_func; char server_portstr[32]; @@ -65,19 +59,16 @@ typedef struct h2_proxy_ctx { proxy_worker *worker; proxy_server_conf *conf; - h2_req_engine *engine; - const char *engine_id; - const char *engine_type; - apr_pool_t *engine_pool; apr_size_t req_buffer_size; - h2_proxy_fifo *requests; int capacity; - unsigned standalone : 1; unsigned is_ssl : 1; unsigned flushall : 1; - apr_status_t r_status; /* status of our first request work */ + request_rec *r; /* the request processed in this ctx */ + apr_status_t r_status; /* status of request work */ + int r_done; /* request was processed, not necessarily successfully */ + int r_may_retry; /* request may be retried */ h2_proxy_session *session; /* current http2 session against backend */ } h2_proxy_ctx; @@ -103,16 +94,6 @@ static int h2_proxy_post_config(apr_pool MOD_HTTP2_VERSION, ngh2? ngh2->version_str : "unknown"); is_h2 = APR_RETRIEVE_OPTIONAL_FN(http2_is_h2); - req_engine_push = APR_RETRIEVE_OPTIONAL_FN(http2_req_engine_push); - req_engine_pull = APR_RETRIEVE_OPTIONAL_FN(http2_req_engine_pull); - req_engine_done = APR_RETRIEVE_OPTIONAL_FN(http2_req_engine_done); - - /* we need all of them */ - if (!req_engine_push || !req_engine_pull || !req_engine_done) { - req_engine_push = NULL; - req_engine_pull = NULL; - req_engine_done = NULL; - } return status; } @@ -203,45 +184,6 @@ static int proxy_http2_canon(request_rec return OK; } -static void out_consumed(void *baton, conn_rec *c, apr_off_t bytes) -{ - h2_proxy_ctx *ctx = baton; - - if (ctx->session) { - h2_proxy_session_update_window(ctx->session, c, bytes); - } -} - -static apr_status_t proxy_engine_init(h2_req_engine *engine, - const char *id, - const char *type, - apr_pool_t *pool, - apr_size_t req_buffer_size, - request_rec *r, - http2_output_consumed **pconsumed, - void **pctx) -{ - h2_proxy_ctx *ctx = ap_get_module_config(r->connection->conn_config, - &proxy_http2_module); - if (!ctx) { - ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(03368) - "h2_proxy_session, engine init, no ctx found"); - return APR_ENOTIMPL; - } - - ctx->pool = pool; - ctx->engine = engine; - ctx->engine_id = id; - ctx->engine_type = type; - ctx->engine_pool = pool; - ctx->req_buffer_size = req_buffer_size; - ctx->capacity = H2MIN(100, h2_proxy_fifo_capacity(ctx->requests)); - - *pconsumed = out_consumed; - *pctx = ctx; - return APR_SUCCESS; -} - static apr_status_t add_request(h2_proxy_session *session, request_rec *r) { h2_proxy_ctx *ctx = session->user_data; @@ -251,7 +193,7 @@ static apr_status_t add_request(h2_proxy url = apr_table_get(r->notes, H2_PROXY_REQ_URL_NOTE); apr_table_setn(r->notes, "proxy-source-port", apr_psprintf(r->pool, "%hu", ctx->p_conn->connection->local_addr->port)); - status = h2_proxy_session_submit(session, url, r, ctx->standalone); + status = h2_proxy_session_submit(session, url, r, 1); if (status != APR_SUCCESS) { ap_log_cerror(APLOG_MARK, APLOG_ERR, status, r->connection, APLOGNO(03351) "pass request body failed to %pI (%s) from %s (%s)", @@ -265,43 +207,15 @@ static apr_status_t add_request(h2_proxy static void request_done(h2_proxy_ctx *ctx, request_rec *r, apr_status_t status, int touched) { - const char *task_id = apr_table_get(r->connection->notes, H2_TASK_ID_NOTE); - - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, r->connection, - "h2_proxy_session(%s): request done %s, touched=%d", - ctx->engine_id, task_id, touched); - if (status != APR_SUCCESS) { - if (!touched) { - /* untouched request, need rescheduling */ - status = h2_proxy_fifo_push(ctx->requests, r); - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, r->connection, - APLOGNO(03369) - "h2_proxy_session(%s): rescheduled request %s", - ctx->engine_id, task_id); - return; - } - else { - const char *uri; - uri = apr_uri_unparse(r->pool, &r->parsed_uri, 0); - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, r->connection, - APLOGNO(03471) "h2_proxy_session(%s): request %s -> %s " - "not complete, cannot repeat", - ctx->engine_id, task_id, uri); - } - } - - if (r == ctx->rbase) { + if (r == ctx->r) { + ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, r->connection, + "h2_proxy_session(%s): request done, touched=%d", + ctx->id, touched); + ctx->r_done = 1; + if (touched) ctx->r_may_retry = 0; ctx->r_status = ((status == APR_SUCCESS)? APR_SUCCESS : HTTP_SERVICE_UNAVAILABLE); } - - if (req_engine_done && ctx->engine) { - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, r->connection, - APLOGNO(03370) - "h2_proxy_session(%s): finished request %s", - ctx->engine_id, task_id); - req_engine_done(ctx->engine, r->connection, status); - } } static void session_req_done(h2_proxy_session *session, request_rec *r, @@ -310,43 +224,15 @@ static void session_req_done(h2_proxy_se request_done(session->user_data, r, status, touched); } -static apr_status_t next_request(h2_proxy_ctx *ctx, int before_leave) -{ - if (h2_proxy_fifo_count(ctx->requests) > 0) { - return APR_SUCCESS; - } - else if (req_engine_pull && ctx->engine) { - apr_status_t status; - request_rec *r = NULL; - - status = req_engine_pull(ctx->engine, before_leave? - APR_BLOCK_READ: APR_NONBLOCK_READ, - ctx->capacity, &r); - if (status == APR_SUCCESS && r) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE3, status, ctx->owner, - "h2_proxy_engine(%s): pulled request (%s) %s", - ctx->engine_id, - before_leave? "before leave" : "regular", - r->the_request); - h2_proxy_fifo_push(ctx->requests, r); - } - return APR_STATUS_IS_EAGAIN(status)? APR_SUCCESS : status; - } - return APR_EOF; -} - -static apr_status_t proxy_engine_run(h2_proxy_ctx *ctx) { +static apr_status_t ctx_run(h2_proxy_ctx *ctx) { apr_status_t status = OK; int h2_front; - request_rec *r; /* Step Four: Send the Request in a new HTTP/2 stream and * loop until we got the response or encounter errors. */ - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, ctx->owner, - "eng(%s): setup session", ctx->engine_id); h2_front = is_h2? is_h2(ctx->owner) : 0; - ctx->session = h2_proxy_session_setup(ctx->engine_id, ctx->p_conn, ctx->conf, + ctx->session = h2_proxy_session_setup(ctx->id, ctx->p_conn, ctx->conf, h2_front, 30, h2_proxy_log2((int)ctx->req_buffer_size), session_req_done); @@ -357,105 +243,45 @@ static apr_status_t proxy_engine_run(h2_ } ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, ctx->owner, APLOGNO(03373) - "eng(%s): run session %s", ctx->engine_id, ctx->session->id); + "eng(%s): run session %s", ctx->id, ctx->session->id); ctx->session->user_data = ctx; - while (!ctx->owner->aborted) { - if (APR_SUCCESS == h2_proxy_fifo_try_pull(ctx->requests, (void**)&r)) { - add_request(ctx->session, r); - } - + ctx->r_done = 0; + add_request(ctx->session, ctx->r); + + while (!ctx->master->aborted && !ctx->r_done) { + status = h2_proxy_session_process(ctx->session); - - if (status == APR_SUCCESS) { - apr_status_t s2; - /* ongoing processing, call again */ - if (ctx->session->remote_max_concurrent > 0 - && ctx->session->remote_max_concurrent != ctx->capacity) { - ctx->capacity = H2MIN((int)ctx->session->remote_max_concurrent, - h2_proxy_fifo_capacity(ctx->requests)); - } - s2 = next_request(ctx, 0); - if (s2 == APR_ECONNABORTED) { - /* master connection gone */ - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, s2, ctx->owner, - APLOGNO(03374) "eng(%s): pull request", - ctx->engine_id); - /* give notice that we're leaving and cancel all ongoing - * streams. */ - next_request(ctx, 1); - h2_proxy_session_cancel_all(ctx->session); - h2_proxy_session_process(ctx->session); - status = ctx->r_status = APR_SUCCESS; - break; - } - if ((h2_proxy_fifo_count(ctx->requests) == 0) - && h2_proxy_ihash_empty(ctx->session->streams)) { - break; - } - } - else { - /* end of processing, maybe error */ + if (status != APR_SUCCESS) { + /* Encountered an error during session processing */ ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, ctx->owner, APLOGNO(03375) "eng(%s): end of session %s", - ctx->engine_id, ctx->session->id); - /* - * Any open stream of that session needs to + ctx->id, ctx->session->id); + /* Any open stream of that session needs to * a) be reopened on the new session iff safe to do so * b) reported as done (failed) otherwise */ h2_proxy_session_cleanup(ctx->session, session_req_done); - break; + goto out; } } - ctx->session->user_data = NULL; - ctx->session = NULL; - - return status; -} - -static apr_status_t push_request_somewhere(h2_proxy_ctx *ctx, request_rec *r) -{ - conn_rec *c = ctx->owner; - const char *engine_type, *hostname; - - hostname = (ctx->p_conn->ssl_hostname? - ctx->p_conn->ssl_hostname : ctx->p_conn->hostname); - engine_type = apr_psprintf(ctx->pool, "proxy_http2 %s%s", hostname, - ctx->server_portstr); - - if (c->master && req_engine_push && r && is_h2 && is_h2(c)) { - /* If we are have req_engine capabilities, push the handling of this - * request (e.g. slave connection) to a proxy_http2 engine which - * uses the same backend. We may be called to create an engine - * ourself. */ - if (req_engine_push(engine_type, r, proxy_engine_init) == APR_SUCCESS) { - if (ctx->engine == NULL) { - /* request has been assigned to an engine in another thread */ - return SUSPENDED; - } +out: + if (ctx->master->aborted) { + /* master connection gone */ + ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, ctx->owner, + APLOGNO(03374) "eng(%s): master connection gone", ctx->id); + /* cancel all ongoing requests */ + h2_proxy_session_cancel_all(ctx->session); + h2_proxy_session_process(ctx->session); + if (!ctx->master->aborted) { + status = ctx->r_status = APR_SUCCESS; } } - if (!ctx->engine) { - /* No engine was available or has been initialized, handle this - * request just by ourself. */ - ctx->engine_id = apr_psprintf(ctx->pool, "eng-proxy-%ld", c->id); - ctx->engine_type = engine_type; - ctx->engine_pool = ctx->pool; - ctx->req_buffer_size = (32*1024); - ctx->standalone = 1; - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "h2_proxy_http2(%ld): setup standalone engine for type %s", - c->id, engine_type); - } - else { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, c, - "H2: hosting engine %s", ctx->engine_id); - } - - return h2_proxy_fifo_push(ctx->requests, r); + ctx->session->user_data = NULL; + ctx->session = NULL; + return status; } static int proxy_http2_handler(request_rec *r, @@ -465,7 +291,7 @@ static int proxy_http2_handler(request_r const char *proxyname, apr_port_t proxyport) { - const char *proxy_func; + const char *proxy_func, *task_id; char *locurl = url, *u; apr_size_t slen; int is_ssl = 0; @@ -497,29 +323,36 @@ static int proxy_http2_handler(request_r default: return DECLINED; } + + task_id = apr_table_get(r->connection->notes, H2_TASK_ID_NOTE); ctx = apr_pcalloc(r->pool, sizeof(*ctx)); - ctx->owner = r->connection; - ctx->pool = r->pool; - ctx->rbase = r; - ctx->server = r->server; + ctx->master = r->connection->master? r->connection->master : r->connection; + ctx->id = task_id? task_id : apr_psprintf(r->pool, "%ld", (long)ctx->master->id); + ctx->owner = r->connection; + ctx->pool = r->pool; + ctx->server = r->server; ctx->proxy_func = proxy_func; - ctx->is_ssl = is_ssl; - ctx->worker = worker; - ctx->conf = conf; - ctx->flushall = apr_table_get(r->subprocess_env, "proxy-flushall")? 1 : 0; - ctx->r_status = HTTP_SERVICE_UNAVAILABLE; - - h2_proxy_fifo_set_create(&ctx->requests, ctx->pool, 100); + ctx->is_ssl = is_ssl; + ctx->worker = worker; + ctx->conf = conf; + ctx->flushall = apr_table_get(r->subprocess_env, "proxy-flushall")? 1 : 0; + ctx->req_buffer_size = (32*1024); + ctx->r = r; + ctx->r_status = status = HTTP_SERVICE_UNAVAILABLE; + ctx->r_done = 0; + ctx->r_may_retry = 1; ap_set_module_config(ctx->owner->conn_config, &proxy_http2_module, ctx); /* scheme says, this is for us. */ - apr_table_setn(ctx->rbase->notes, H2_PROXY_REQ_URL_NOTE, url); - ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, ctx->rbase, + apr_table_setn(ctx->r->notes, H2_PROXY_REQ_URL_NOTE, url); + ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, ctx->r, "H2: serving URL %s", url); run_connect: + if (ctx->master->aborted) goto cleanup; + /* Get a proxy_conn_rec from the worker, might be a new one, might * be one still open from another request, or it might fail if the * worker is stopped or in error. */ @@ -529,25 +362,11 @@ run_connect: } ctx->p_conn->is_ssl = ctx->is_ssl; - if (ctx->is_ssl && ctx->p_conn->connection) { - /* If there are some metadata on the connection (e.g. TLS alert), - * let mod_ssl detect them, and create a new connection below. - */ - apr_bucket_brigade *tmp_bb; - tmp_bb = apr_brigade_create(ctx->rbase->pool, - ctx->rbase->connection->bucket_alloc); - status = ap_get_brigade(ctx->p_conn->connection->input_filters, tmp_bb, - AP_MODE_SPECULATIVE, APR_NONBLOCK_READ, 1); - if (status != APR_SUCCESS && !APR_STATUS_IS_EAGAIN(status)) { - ctx->p_conn->close = 1; - } - apr_brigade_cleanup(tmp_bb); - } /* Step One: Determine the URL to connect to (might be a proxy), * initialize the backend accordingly and determine the server * port string we can expect in responses. */ - if ((status = ap_proxy_determine_connection(ctx->pool, ctx->rbase, conf, worker, + if ((status = ap_proxy_determine_connection(ctx->pool, ctx->r, conf, worker, ctx->p_conn, &uri, &locurl, proxyname, proxyport, ctx->server_portstr, @@ -555,17 +374,6 @@ run_connect: goto cleanup; } - /* If we are not already hosting an engine, try to push the request - * to an already existing engine or host a new engine here. */ - if (r && !ctx->engine) { - ctx->r_status = push_request_somewhere(ctx, r); - r = NULL; - if (ctx->r_status == SUSPENDED) { - /* request was pushed to another thread, leave processing here */ - goto cleanup; - } - } - /* Step Two: Make the Connection (or check that an already existing * socket is still usable). On success, we have a socket connected to * backend->hostname. */ @@ -574,70 +382,58 @@ run_connect: ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, ctx->owner, APLOGNO(03352) "H2: failed to make connection to backend: %s", ctx->p_conn->hostname); - goto reconnect; + goto cleanup; } /* Step Three: Create conn_rec for the socket we have open now. */ if (!ctx->p_conn->connection) { - status = ap_proxy_connection_create_ex(ctx->proxy_func, - ctx->p_conn, ctx->rbase); + status = ap_proxy_connection_create_ex(ctx->proxy_func, ctx->p_conn, ctx->r); if (status != OK) { ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, ctx->owner, APLOGNO(03353) "setup new connection: is_ssl=%d %s %s %s", ctx->p_conn->is_ssl, ctx->p_conn->ssl_hostname, locurl, ctx->p_conn->hostname); - goto reconnect; + ctx->r_status = status; + goto cleanup; } - if (!ctx->p_conn->data) { - /* New conection: set a note on the connection what CN is - * requested and what protocol we want */ + if (!ctx->p_conn->data && ctx->is_ssl) { + /* New SSL connection: set a note on the connection about what + * protocol we want. + */ + apr_table_setn(ctx->p_conn->connection->notes, + "proxy-request-alpn-protos", "h2"); if (ctx->p_conn->ssl_hostname) { - ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, ctx->owner, + ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, ctx->owner, "set SNI to %s for (%s)", ctx->p_conn->ssl_hostname, ctx->p_conn->hostname); apr_table_setn(ctx->p_conn->connection->notes, "proxy-request-hostname", ctx->p_conn->ssl_hostname); } - if (ctx->is_ssl) { - apr_table_setn(ctx->p_conn->connection->notes, - "proxy-request-alpn-protos", "h2"); - } } } -run_session: - status = proxy_engine_run(ctx); - if (status == APR_SUCCESS) { - /* session and connection still ok */ - if (next_request(ctx, 1) == APR_SUCCESS) { - /* more requests, run again */ - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, ctx->owner, APLOGNO(03376) - "run_session, again"); - goto run_session; - } - /* done */ - ctx->engine = NULL; - } + if (ctx->master->aborted) goto cleanup; + status = ctx_run(ctx); -reconnect: - if (next_request(ctx, 1) == APR_SUCCESS) { - /* Still more to do, tear down old conn and start over */ + if (ctx->r_status != APR_SUCCESS && ctx->r_may_retry && !ctx->master->aborted) { + /* Not successfully processed, but may retry, tear down old conn and start over */ if (ctx->p_conn) { ctx->p_conn->close = 1; - /*only in trunk so far */ - /*proxy_run_detach_backend(r, ctx->p_conn);*/ +#if AP_MODULE_MAGIC_AT_LEAST(20140207, 2) + proxy_run_detach_backend(r, ctx->p_conn); +#endif ap_proxy_release_connection(ctx->proxy_func, ctx->p_conn, ctx->server); ctx->p_conn = NULL; } ++reconnects; - if (reconnects < 5 && !ctx->owner->aborted) { + if (reconnects < 5) { goto run_connect; } ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, ctx->owner, APLOGNO(10023) - "giving up after %d reconnects, %d requests todo", - reconnects, h2_proxy_fifo_count(ctx->requests)); + "giving up after %d reconnects, request-done=%d", + reconnects, ctx->r_done); } cleanup: @@ -646,17 +442,13 @@ cleanup: /* close socket when errors happened or session shut down (EOF) */ ctx->p_conn->close = 1; } - /*only in trunk so far */ - /*proxy_run_detach_backend(ctx->rbase, ctx->p_conn);*/ +#if AP_MODULE_MAGIC_AT_LEAST(20140207, 2) + proxy_run_detach_backend(ctx->r, ctx->p_conn); +#endif ap_proxy_release_connection(ctx->proxy_func, ctx->p_conn, ctx->server); ctx->p_conn = NULL; } - /* Any requests will still have need to fail */ - while (APR_SUCCESS == h2_proxy_fifo_try_pull(ctx->requests, (void**)&r)) { - request_done(ctx, r, HTTP_SERVICE_UNAVAILABLE, 1); - } - ap_set_module_config(ctx->owner->conn_config, &proxy_http2_module, NULL); ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, ctx->owner, APLOGNO(03377) "leaving handler");
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