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0041-populate-samba-secrets-using-offline-domai...
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File 0041-populate-samba-secrets-using-offline-domain-join.patch of Package adcli.32003
From 05670e9d162bb979b5aa35d3e9ba253b7bd549e0 Mon Sep 17 00:00:00 2001 From: Sumit Bose <sbose@redhat.com> Date: Wed, 8 Aug 2018 12:17:18 +0200 Subject: [PATCH 01/16] _adcli_call_external_program: silence noisy debug message (cherry picked from commit 185a8b7378665d1d0ef7dd4d5a78438459bad9e0) --- library/adutil.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/adutil.c b/library/adutil.c index 08da731..76ea158 100644 --- a/library/adutil.c +++ b/library/adutil.c @@ -692,7 +692,7 @@ done: if (wret == -1) { _adcli_err ("No sure what happend to net command."); } else { - if (WIFEXITED (status)) { + if (WIFEXITED (status) && WEXITSTATUS (status) != 0) { _adcli_err ("net command failed with %d.", WEXITSTATUS (status)); } -- 2.43.0 From ac9cc634ca8ba6752f84d6e4fd625a34eba3a8e8 Mon Sep 17 00:00:00 2001 From: Sumit Bose <sbose@redhat.com> Date: Wed, 28 Jul 2021 12:55:16 +0200 Subject: [PATCH 02/16] configure: check for ns_get16 and ns_get32 as well With newer versions of glibc res_query() might ba already available in glibc with ns_get16() and ns_get32() still requires libresolv. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1984891 (cherry picked from commit e841ba7513f3f8b6393183d2dea9adcbf7ba2e44) --- configure.ac | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index 68877c7..676256a 100644 --- a/configure.ac +++ b/configure.ac @@ -98,13 +98,15 @@ AC_SUBST(LDAP_CFLAGS) # ------------------------------------------------------------------- # resolv -AC_MSG_CHECKING(for which library has res_query) +AC_MSG_CHECKING([for which library has res_query, ns_get16 and ns_get32]) for lib in "" "-lresolv"; do saved_LIBS="$LIBS" LIBS="$LIBS $lib" AC_LINK_IFELSE([ AC_LANG_PROGRAM([#include <resolv.h>], - [res_query (0, 0, 0, 0, 0)]) + [res_query (0, 0, 0, 0, 0); + ns_get32 (NULL); + ns_get16 (NULL);]) ], [ AC_MSG_RESULT(${lib:-libc}); have_res_query="yes"; break; ], [ LIBS="$saved_LIBS" ]) -- 2.43.0 From 9fd580694cb49bfb5693b6b0fed993568a1eeb84 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 13:39:12 +0200 Subject: [PATCH 03/16] disco: Add functions to extract domain GUID from LDAP ping Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/addisco.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/library/addisco.c b/library/addisco.c index bf38e71..a069927 100644 --- a/library/addisco.c +++ b/library/addisco.c @@ -333,6 +333,78 @@ get_32_le (unsigned char **at, return 1; } +static int +get_16_le (unsigned char **at, + unsigned char *end, + uint16_t *val) +{ + unsigned char *p = *at; + if (end - p < 2) + return 0; + *val = p[0] | p[1] << 8; + (*at) += 2; + return 1; +} + +struct GUID { + uint32_t time_low; + uint16_t time_mid; + uint16_t time_hi_and_version; + uint8_t clock_seq[2]; + uint8_t node[6]; +}; + +/* Format is "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" */ +/* 32 chars + 4 ' ' + \0 + 2 for adding {} */ +struct GUID_txt_buf { + char buf[39]; +}; + +static char *GUID_buf_string(const struct GUID *guid, + struct GUID_txt_buf *dst) +{ + if (guid == NULL) { + return NULL; + } + snprintf(dst->buf, sizeof(dst->buf), + "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", + guid->time_low, guid->time_mid, + guid->time_hi_and_version, + guid->clock_seq[0], + guid->clock_seq[1], + guid->node[0], guid->node[1], + guid->node[2], guid->node[3], + guid->node[4], guid->node[5]); + return dst->buf; +} + +static int +parse_guid (unsigned char **at, + unsigned char *end, + char **result) +{ + struct GUID g = { 0 }; + struct GUID_txt_buf buf; + + if (end - (*at) < sizeof(struct GUID)) { + return 0; + } + + get_32_le(at, end, &g.time_low); + get_16_le(at, end, &g.time_mid); + get_16_le(at, end, &g.time_hi_and_version); + + memcpy(&g.clock_seq, *at, sizeof(g.clock_seq)); + (*at) += sizeof(g.clock_seq); + + memcpy(&g.node, *at, sizeof(g.node)); + (*at) += sizeof(g.node); + + *result = strdup(GUID_buf_string(&g, &buf)); + + return 1; +} + static int skip_n (unsigned char **at, unsigned char *end, -- 2.43.0 From 58066578f0c7e223249fea5340eb359076261231 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 13:40:08 +0200 Subject: [PATCH 04/16] disco: Extract domain GUID from LDAP ping Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/addisco.c | 14 ++------------ library/addisco.h | 1 + 2 files changed, 3 insertions(+), 12 deletions(-) diff --git a/library/addisco.c b/library/addisco.c index a069927..985e684 100644 --- a/library/addisco.c +++ b/library/addisco.c @@ -405,17 +405,6 @@ parse_guid (unsigned char **at, return 1; } -static int -skip_n (unsigned char **at, - unsigned char *end, - int n) -{ - if (end - (*at) < n) - return 0; - (*at) += n; - return 1; -} - static adcli_disco * parse_disco_data (struct berval *bv) { @@ -434,7 +423,7 @@ parse_disco_data (struct berval *bv) /* domain forest */ if (!get_32_le (&at, end, &type) || type != 23 || !get_32_le (&at, end, &disco->flags) || - !skip_n (&at, end, 16) || /* guid */ + !parse_guid (&at, end, &disco->domain_guid) || !parse_disco_string (beg, end, &at, &disco->forest) || !parse_disco_string (beg, end, &at, &disco->domain) || !parse_disco_string (beg, end, &at, &disco->host_name) || @@ -851,6 +840,7 @@ adcli_disco_free (adcli_disco *disco) free (disco->host_addr); free (disco->host_name); free (disco->host_short); + free (disco->domain_guid); free (disco->forest); free (disco->domain); free (disco->domain_short); diff --git a/library/addisco.h b/library/addisco.h index 06b69a9..79ec34f 100644 --- a/library/addisco.h +++ b/library/addisco.h @@ -48,6 +48,7 @@ typedef struct _adcli_disco { char *forest; char *domain; char *domain_short; + char *domain_guid; char *host_name; char *host_addr; char *host_short; -- 2.43.0 From 703fa4a87432ff6a260b00924ecac1118101f92c Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 13:43:47 +0200 Subject: [PATCH 05/16] conn: Copy domain GUID from disco Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adconn.c | 14 ++++++++++++++ library/adconn.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/library/adconn.c b/library/adconn.c index 7bab852..58db795 100644 --- a/library/adconn.c +++ b/library/adconn.c @@ -74,6 +74,7 @@ struct _adcli_conn_ctx { char *canonical_host; char *domain_short; char *domain_sid; + char *domain_guid; adcli_disco *domain_disco; char *default_naming_context; char *configuration_naming_context; @@ -159,6 +160,11 @@ disco_dance_if_necessary (adcli_conn *conn) conn->domain_short = strdup (conn->domain_disco->domain_short); return_if_fail (conn->domain_short != NULL); } + + if (!conn->domain_guid && conn->domain_disco->domain_guid) { + conn->domain_guid = strdup(conn->domain_disco->domain_guid); + return_if_fail (conn->domain_guid != NULL); + } } } @@ -1287,6 +1293,7 @@ conn_free (adcli_conn *conn) free (conn->domain_realm); free (conn->domain_controller); free (conn->domain_short); + free (conn->domain_guid); free (conn->default_naming_context); free (conn->configuration_naming_context); _adcli_strv_free (conn->supported_capabilities); @@ -1395,6 +1402,13 @@ adcli_conn_get_domain_name (adcli_conn *conn) return conn->domain_name; } +const char * +adcli_conn_get_domain_guid(adcli_conn *conn) +{ + return_val_if_fail (conn != NULL, NULL); + return conn->domain_guid; +} + void adcli_conn_set_domain_name (adcli_conn *conn, const char *value) diff --git a/library/adconn.h b/library/adconn.h index 1d5faa8..fe0ea85 100644 --- a/library/adconn.h +++ b/library/adconn.h @@ -97,6 +97,8 @@ const char * adcli_conn_get_domain_short (adcli_conn *conn); const char * adcli_conn_get_domain_sid (adcli_conn *conn); +const char * adcli_conn_get_domain_guid (adcli_conn *conn); + LDAP * adcli_conn_get_ldap_connection (adcli_conn *conn); krb5_context adcli_conn_get_krb5_context (adcli_conn *conn); -- 2.43.0 From 932198a327d691248a967beaa59fd76deaaa2ab8 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 13:45:06 +0200 Subject: [PATCH 06/16] conn: Copy forest name from disco Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adconn.c | 14 ++++++++++++++ library/adconn.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/library/adconn.c b/library/adconn.c index 58db795..e1c5539 100644 --- a/library/adconn.c +++ b/library/adconn.c @@ -75,6 +75,7 @@ struct _adcli_conn_ctx { char *domain_short; char *domain_sid; char *domain_guid; + char *forest; adcli_disco *domain_disco; char *default_naming_context; char *configuration_naming_context; @@ -161,6 +162,11 @@ disco_dance_if_necessary (adcli_conn *conn) return_if_fail (conn->domain_short != NULL); } + if (!conn->forest && conn->domain_disco->forest) { + conn->forest = strdup(conn->domain_disco->forest); + return_if_fail (conn->forest != NULL); + } + if (!conn->domain_guid && conn->domain_disco->domain_guid) { conn->domain_guid = strdup(conn->domain_disco->domain_guid); return_if_fail (conn->domain_guid != NULL); @@ -1294,6 +1300,7 @@ conn_free (adcli_conn *conn) free (conn->domain_controller); free (conn->domain_short); free (conn->domain_guid); + free (conn->forest); free (conn->default_naming_context); free (conn->configuration_naming_context); _adcli_strv_free (conn->supported_capabilities); @@ -1402,6 +1409,13 @@ adcli_conn_get_domain_name (adcli_conn *conn) return conn->domain_name; } +const char * +adcli_conn_get_forest_name (adcli_conn *conn) +{ + return_val_if_fail (conn != NULL, NULL); + return conn->forest; +} + const char * adcli_conn_get_domain_guid(adcli_conn *conn) { diff --git a/library/adconn.h b/library/adconn.h index fe0ea85..faca953 100644 --- a/library/adconn.h +++ b/library/adconn.h @@ -76,6 +76,8 @@ void adcli_conn_set_host_fqdn (adcli_conn *conn, const char * adcli_conn_get_domain_name (adcli_conn *conn); +const char * adcli_conn_get_forest_name (adcli_conn *conn); + void adcli_conn_set_domain_name (adcli_conn *conn, const char *value); -- 2.43.0 From 5df2918a3fab6fd1afd084d84018264ba5ffb0b9 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 17:56:24 +0200 Subject: [PATCH 07/16] conn: Stop as soon as we have a valid LDAP connection No need to test all possible addresses. Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adconn.c | 1 + 1 file changed, 1 insertion(+) diff --git a/library/adconn.c b/library/adconn.c index e1c5539..f57eb1f 100644 --- a/library/adconn.c +++ b/library/adconn.c @@ -863,6 +863,7 @@ connect_to_address (const char *host, break; } } + break; } } -- 2.43.0 From b6e3b7ea9b0da9db83e32af93ff3846bba1fe003 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 14:56:54 +0200 Subject: [PATCH 08/16] conn: Store the address of the connected server Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adconn.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/library/adconn.c b/library/adconn.c index f57eb1f..ab4467e 100644 --- a/library/adconn.c +++ b/library/adconn.c @@ -84,6 +84,7 @@ struct _adcli_conn_ctx { /* Connect state */ LDAP *ldap; + struct sockaddr *addr; int ldap_authenticated; krb5_context k5; krb5_ccache ccache; @@ -787,7 +788,8 @@ int ldap_init_fd (ber_socket_t fd, int proto, LDAP_CONST char *url, struct ldap static LDAP * connect_to_address (const char *host, const char *canonical_host, - bool use_ldaps) + bool use_ldaps, + struct sockaddr **addr) { struct addrinfo *res = NULL; struct addrinfo *ai; @@ -870,6 +872,11 @@ connect_to_address (const char *host, if (!ldap && error) _adcli_err ("Couldn't connect to host: %s: %s", host, strerror (error)); + *addr = malloc(sizeof(struct sockaddr)); + if (*addr != NULL) { + memcpy(*addr, ai->ai_addr, sizeof(struct sockaddr)); + } + freeaddrinfo (res); /* coverity[leaked_handle] - the socket is carried inside the ldap struct */ return ldap; @@ -883,6 +890,7 @@ connect_and_lookup_naming (adcli_conn *conn, LDAPMessage *results; adcli_result res; LDAP *ldap; + struct sockaddr *addr; int ret; int ver; @@ -895,13 +903,15 @@ connect_and_lookup_naming (adcli_conn *conn, }; assert (conn->ldap == NULL); + assert (conn->addr == NULL); canonical_host = disco->host_name; if (!canonical_host) canonical_host = disco->host_addr; ldap = connect_to_address (disco->host_addr, canonical_host, - adcli_conn_get_use_ldaps (conn)); + adcli_conn_get_use_ldaps (conn), + &addr); if (ldap == NULL) return ADCLI_ERR_DIRECTORY; @@ -964,6 +974,7 @@ connect_and_lookup_naming (adcli_conn *conn, } conn->ldap = ldap; + conn->addr = addr; free (conn->canonical_host); conn->canonical_host = strdup (canonical_host); @@ -1203,6 +1214,10 @@ conn_clear_state (adcli_conn *conn) ldap_unbind_ext_s (conn->ldap, NULL, NULL); conn->ldap = NULL; + if (conn->addr) + free(conn->addr); + conn->addr = NULL; + free (conn->canonical_host); conn->canonical_host = NULL; -- 2.43.0 From faba57d59553a657ddd905f1391b5314730c3039 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 31 Aug 2023 17:11:55 +0200 Subject: [PATCH 09/16] conn: Allow to retrieve the connected LDAP address Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adconn.c | 7 +++++++ library/adconn.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/library/adconn.c b/library/adconn.c index ab4467e..94cc82e 100644 --- a/library/adconn.c +++ b/library/adconn.c @@ -1516,6 +1516,13 @@ adcli_conn_get_ldap_connection (adcli_conn *conn) return conn->ldap; } +struct sockaddr * +adcli_conn_get_ldap_address (adcli_conn *conn) +{ + return_val_if_fail (conn != NULL, NULL); + return conn->addr; +} + krb5_context adcli_conn_get_krb5_context (adcli_conn *conn) { diff --git a/library/adconn.h b/library/adconn.h index faca953..6984c13 100644 --- a/library/adconn.h +++ b/library/adconn.h @@ -103,6 +103,8 @@ const char * adcli_conn_get_domain_guid (adcli_conn *conn); LDAP * adcli_conn_get_ldap_connection (adcli_conn *conn); +struct sockaddr * adcli_conn_get_ldap_address (adcli_conn *conn); + krb5_context adcli_conn_get_krb5_context (adcli_conn *conn); void adcli_conn_set_krb5_context (adcli_conn *conn, -- 2.43.0 From afe0ad08ccff58b29fc144af30dd496103d936ac Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Wed, 6 Sep 2023 11:49:19 +0200 Subject: [PATCH 10/16] util: Allow to append variables to external program environment Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adenroll.c | 4 +-- library/adprivate.h | 1 + library/adutil.c | 69 +++++++++++++++++++++++++++++++++++++++------ 3 files changed, 64 insertions(+), 10 deletions(-) diff --git a/library/adenroll.c b/library/adenroll.c index ab26e30..bbfe479 100644 --- a/library/adenroll.c +++ b/library/adenroll.c @@ -1869,14 +1869,14 @@ update_samba_data (adcli_enroll *enroll) _adcli_info ("Trying to set domain SID %s for Samba.", argv_sid[2]); ret = _adcli_call_external_program (argv_sid[0], argv_sid, - NULL, NULL, NULL); + NULL, NULL, NULL, NULL); if (ret != ADCLI_SUCCESS) { _adcli_err ("Failed to set Samba domain SID."); } } _adcli_info ("Trying to set Samba secret."); - ret = _adcli_call_external_program (argv_pw[0], argv_pw, + ret = _adcli_call_external_program (argv_pw[0], argv_pw, NULL, enroll->computer_password, NULL, NULL); if (ret != ADCLI_SUCCESS) { _adcli_err ("Failed to set Samba computer account password."); diff --git a/library/adprivate.h b/library/adprivate.h index 0806430..8f8c4ee 100644 --- a/library/adprivate.h +++ b/library/adprivate.h @@ -306,6 +306,7 @@ bool _adcli_check_nt_time_string_lifetime (const char *nt_time_strin adcli_result _adcli_call_external_program (const char *binary, char * const *argv, + char * const *envp, const char *stdin_data, uint8_t **stdout_data, size_t *stdout_data_len); diff --git a/library/adutil.c b/library/adutil.c index 76ea158..1a663df 100644 --- a/library/adutil.c +++ b/library/adutil.c @@ -550,7 +550,7 @@ _adcli_check_nt_time_string_lifetime (const char *nt_time_string, adcli_result _adcli_call_external_program (const char *binary, char * const *argv, - const char *stdin_data, + char * const *envp, const char *stdin_data, uint8_t **stdout_data, size_t *stdout_data_len) { int ret; @@ -564,6 +564,48 @@ _adcli_call_external_program (const char *binary, char * const *argv, int status; uint8_t read_buf[4096]; uint8_t *out; + char **child_env = NULL; + size_t child_env_size = 0; + + /* prepare child environment, append envp to environ */ + if (envp != NULL) { + size_t environ_size = 0; + size_t envp_size = 0; + int i, j; + + for (i = 0; environ[i] != NULL; i++) { + environ_size++; + } + + for (i = 0; envp[i] != NULL; i++) { + envp_size++; + } + + child_env_size = environ_size + envp_size + 1; + child_env = calloc(child_env_size, sizeof(char *)); + if (child_env == NULL) { + _adcli_err("Failed to allocate memory."); + return ADCLI_ERR_FAIL; + } + + memset(child_env, 0, child_env_size); + + for (i = 0, j = 0; environ[i] != NULL; i++, j++) { + child_env[j] = strdup(environ[i]); + if (child_env[j] == NULL) { + _adcli_err("Failed to allocate memory."); + return ADCLI_ERR_FAIL; + } + } + + for (i = 0; envp[i] != NULL; i++, j++) { + child_env[j] = strdup(envp[i]); + if (child_env[j] == NULL) { + _adcli_err("Failed to allocate memory."); + return ADCLI_ERR_FAIL; + } + } + } errno = 0; ret = access (binary, X_OK); @@ -612,7 +654,11 @@ _adcli_call_external_program (const char *binary, char * const *argv, exit (EXIT_FAILURE); } - execv (binary, argv); + if (child_env != NULL) { + execve(binary, argv, child_env); + } else { + execv(binary, argv); + } _adcli_err ("Failed to run %s.", binary); ret = ADCLI_ERR_FAIL; goto done; @@ -671,6 +717,13 @@ _adcli_call_external_program (const char *binary, char * const *argv, goto done; } + if (child_env != NULL) { + for (int i = 0; i < child_env_size; i++) { + free(child_env[i]); + } + free(child_env); + } + ret = ADCLI_SUCCESS; done: @@ -852,25 +905,25 @@ test_call_external_program (void) size_t stdout_data_len; argv[0] = "/does/not/exists"; - res = _adcli_call_external_program (argv[0], argv, NULL, NULL, NULL); + res = _adcli_call_external_program (argv[0], argv, NULL, NULL, NULL, NULL); assert (res == ADCLI_ERR_FAIL); #ifdef BIN_CAT argv[0] = BIN_CAT; - res = _adcli_call_external_program (argv[0], argv, "Hello", + res = _adcli_call_external_program (argv[0], argv, NULL, "Hello", &stdout_data, &stdout_data_len); assert (res == ADCLI_SUCCESS); assert (strncmp ("Hello", (char *) stdout_data, stdout_data_len) == 0); free (stdout_data); - res = _adcli_call_external_program (argv[0], argv, "Hello", + res = _adcli_call_external_program (argv[0], argv, NULL, "Hello", NULL, NULL); assert (res == ADCLI_SUCCESS); #endif #ifdef BIN_REV argv[0] = BIN_REV; - res = _adcli_call_external_program (argv[0], argv, "Hello\n", + res = _adcli_call_external_program (argv[0], argv, NULL, "Hello\n", &stdout_data, &stdout_data_len); assert (res == ADCLI_SUCCESS); assert (strncmp ("olleH\n", (char *) stdout_data, stdout_data_len) == 0); @@ -879,7 +932,7 @@ test_call_external_program (void) #ifdef BIN_TAC argv[0] = BIN_TAC; - res = _adcli_call_external_program (argv[0], argv, "Hello\nWorld\n", + res = _adcli_call_external_program (argv[0], argv, NULL, "Hello\nWorld\n", &stdout_data, &stdout_data_len); assert (res == ADCLI_SUCCESS); assert (strncmp ("World\nHello\n", (char *) stdout_data, stdout_data_len) == 0); @@ -889,7 +942,7 @@ test_call_external_program (void) #ifdef BIN_ECHO argv[0] = BIN_ECHO; argv[1] = "Hello"; - res = _adcli_call_external_program (argv[0], argv, NULL, + res = _adcli_call_external_program (argv[0], argv, NULL, NULL, &stdout_data, &stdout_data_len); assert (res == ADCLI_SUCCESS); assert (strncmp ("Hello\n", (char *) stdout_data, stdout_data_len) == 0); -- 2.43.0 From 239607bc8d9b05a187a68453a7f3cbae7ed0365e Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Wed, 6 Sep 2023 12:05:03 +0200 Subject: [PATCH 11/16] util: Flag write end of pipe as invalid after closing it Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adutil.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/adutil.c b/library/adutil.c index 1a663df..31e83d2 100644 --- a/library/adutil.c +++ b/library/adutil.c @@ -678,7 +678,7 @@ _adcli_call_external_program (const char *binary, char * const *argv, close (pipefd_to_child[0]); pipefd_to_child[0] = -1; close (pipefd_to_child[1]); - pipefd_to_child[0] = -1; + pipefd_to_child[1] = -1; if (stdout_data != NULL || stdout_data_len != NULL) { rlen = read (pipefd_from_child[0], read_buf, sizeof (read_buf)); -- 2.43.0 From eb3e1e2e91b2cc9d65aef90705d592f042066c1f Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Wed, 6 Sep 2023 16:30:45 +0200 Subject: [PATCH 12/16] util: Return failure if child exit status reports so Otherwise error string from stdout won't be printed. Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adutil.c | 1 + 1 file changed, 1 insertion(+) diff --git a/library/adutil.c b/library/adutil.c index 31e83d2..02f9aa2 100644 --- a/library/adutil.c +++ b/library/adutil.c @@ -748,6 +748,7 @@ done: if (WIFEXITED (status) && WEXITSTATUS (status) != 0) { _adcli_err ("net command failed with %d.", WEXITSTATUS (status)); + ret = ADCLI_ERR_FAIL; } } } -- 2.43.0 From a3f1bce1ee64385734a269fce6fa1e60b66434f0 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Wed, 6 Sep 2023 16:29:32 +0200 Subject: [PATCH 13/16] enroll: Issue a warning if Samba provision was requested but failed Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adenroll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/adenroll.c b/library/adenroll.c index bbfe479..c68621a 100644 --- a/library/adenroll.c +++ b/library/adenroll.c @@ -2056,9 +2056,9 @@ enroll_join_or_update_tasks (adcli_enroll *enroll, if ( (flags & ADCLI_ENROLL_ADD_SAMBA_DATA) && ! (flags & ADCLI_ENROLL_PASSWORD_VALID)) { res = update_samba_data (enroll); if (res != ADCLI_SUCCESS) { - _adcli_info ("Failed to add Samba specific data, smbd " + _adcli_warn ("Failed to add Samba specific data, smbd " "or winbindd might not work as " - "expected.\n"); + "expected."); } } -- 2.43.0 From b9f0dbf82c1eeed906bac514b119635c93561cd9 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Wed, 6 Sep 2023 12:55:50 +0200 Subject: [PATCH 14/16] enroll: Add a function to convert an IP address to text Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adutil.c | 34 ++++++++++++++++++++++++++++++++++ library/adutil.h | 5 +++++ 2 files changed, 39 insertions(+) diff --git a/library/adutil.c b/library/adutil.c index 02f9aa2..81186fa 100644 --- a/library/adutil.c +++ b/library/adutil.c @@ -37,6 +37,7 @@ #include <stdint.h> #include <time.h> #include <sys/wait.h> +#include <arpa/inet.h> static adcli_message_func message_func = NULL; static char last_error[2048] = { 0, }; @@ -756,6 +757,39 @@ done: return ret; } +adcli_result +adcli_sockaddr_to_string(struct sockaddr *sa, char *addr, size_t addr_len) +{ + const char *p; + + if (sa == NULL) { + return ADCLI_ERR_FAIL; + } + + errno = 0; + switch (sa->sa_family) { + case AF_INET: + p = inet_ntop(AF_INET, + &(((struct sockaddr_in *)sa)->sin_addr), + addr, addr_len); + break; + case AF_INET6: + p = inet_ntop(AF_INET6, + &(((struct sockaddr_in6 *)sa)->sin6_addr), + addr, addr_len); + break; + default: + _adcli_err("Failed to get LDAP server address, unknown socket family"); + return ADCLI_ERR_FAIL; + } + + if (p == NULL) { + _adcli_err("Failed to convert LDAP server address: %s", strerror(errno)); + return ADCLI_ERR_FAIL; + } + + return ADCLI_SUCCESS; +} #ifdef UTIL_TESTS diff --git a/library/adutil.h b/library/adutil.h index a07c5da..27c0587 100644 --- a/library/adutil.h +++ b/library/adutil.h @@ -26,6 +26,7 @@ #include <stdlib.h> #include <stdbool.h> +#include <sys/socket.h> typedef enum { /* Successful completion */ @@ -91,4 +92,8 @@ void adcli_clear_last_error (void); const char * adcli_get_last_error (void); +adcli_result adcli_sockaddr_to_string (struct sockaddr *sa, + char *addr, + size_t addr_len); + #endif /* ADUTIL_H_ */ -- 2.43.0 From 617c4c09ed0bdec0800909919e1b79e8ad1454ef Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 7 Sep 2023 10:13:38 +0200 Subject: [PATCH 15/16] build: Check for NetComposeOfflineDomainJoin in samba's netapi library Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- configure.ac | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/configure.ac b/configure.ac index 676256a..fdb27d1 100644 --- a/configure.ac +++ b/configure.ac @@ -95,6 +95,12 @@ AC_CHECK_LIB(ldap, ldap_init_fd, [true], [ AC_SUBST(LDAP_LIBS) AC_SUBST(LDAP_CFLAGS) +# ------------------------------------------------------------------- +# samba + +AC_CHECK_LIB([netapi], [NetComposeOfflineDomainJoin], + [AC_DEFINE(SAMBA_NETAPI_HAS_COMPOSEODJ, 1, [Samba NetApi supports composeodj])]) + # ------------------------------------------------------------------- # resolv -- 2.43.0 From 89c5351355cb5873c89022dbaffc5163fcbce6fc Mon Sep 17 00:00:00 2001 From: Samuel Cabrero <scabrero@suse.de> Date: Thu, 7 Sep 2023 10:19:29 +0200 Subject: [PATCH 16/16] enroll: Populate Samba's secrets database using offline domain join Signed-off-by: Samuel Cabrero <scabrero@suse.de> --- library/adenroll.c | 146 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) diff --git a/library/adenroll.c b/library/adenroll.c index c68621a..c12ab0b 100644 --- a/library/adenroll.c +++ b/library/adenroll.c @@ -1848,6 +1848,150 @@ update_keytab_for_principals (adcli_enroll *enroll, return ADCLI_SUCCESS; } +#if defined(SAMBA_NETAPI_HAS_COMPOSEODJ) + +#define CHECK_SNPRINTF(x, v) \ + do { if ((x) < 0 || (x) >= sizeof((v))) { \ + _adcli_err ("%s: Insufficient buffer for %s", __func__, #v); \ + return ADCLI_ERR_FAIL; \ + } } while (0) + +static adcli_result +update_samba_data (adcli_enroll *enroll) +{ + int ret; + char dns_domain_name[128]; + char netbios_domain_name[128]; + char domain_sid[128]; + char domain_guid[128]; + char forest_name[128]; + char machine_account_name[128]; + char dc_name[128]; + char dc_address[128]; + char ldap_address[INET6_ADDRSTRLEN]; + char *envp_composeodj[] = {"PASSWD_FD=0", NULL}; + char *argv_composeodj[] = { + NULL, + "offlinejoin", + "composeodj", + dns_domain_name, + netbios_domain_name, + domain_sid, + domain_guid, + forest_name, + machine_account_name, + dc_name, + dc_address, + "printblob", + NULL}; + char *argv_requestodj[] = { + NULL, + "offlinejoin", + "requestodj", + "-i", + NULL}; + uint8_t *compose_out_data = NULL; + size_t compose_out_data_len = 0; + uint8_t *request_out_data = NULL; + size_t request_out_data_len = 0; + + argv_composeodj[0] = (char *)adcli_enroll_get_samba_data_tool(enroll); + if (argv_composeodj[0] == NULL) { + _adcli_err("Samba data tool not available."); + return ADCLI_ERR_FAIL; + } + argv_requestodj[0] = argv_composeodj[0]; + + ret = adcli_sockaddr_to_string(adcli_conn_get_ldap_address(enroll->conn), + ldap_address, sizeof(ldap_address)); + if (ret != ADCLI_SUCCESS) { + return ret; + } + + ret = snprintf(dns_domain_name, sizeof(dns_domain_name), "--realm=%s", + adcli_conn_get_domain_name(enroll->conn)); + CHECK_SNPRINTF(ret, dns_domain_name); + + ret = snprintf(netbios_domain_name, sizeof(netbios_domain_name), + "--workgroup=%s", adcli_conn_get_domain_short(enroll->conn)); + CHECK_SNPRINTF(ret, netbios_domain_name); + + ret = snprintf(domain_sid, sizeof(domain_sid), "domain_sid=%s", + adcli_conn_get_domain_sid(enroll->conn)); + CHECK_SNPRINTF(ret, domain_sid); + + ret = snprintf(domain_guid, sizeof(domain_guid), "domain_guid=%s", + adcli_conn_get_domain_guid(enroll->conn)); + CHECK_SNPRINTF(ret, domain_guid); + + ret = snprintf(forest_name, sizeof(forest_name), "forest_name=%s", + adcli_conn_get_forest_name(enroll->conn)); + CHECK_SNPRINTF(ret, forest_name); + + ret = snprintf(machine_account_name, sizeof(machine_account_name), + "--user=%s", enroll->computer_sam); + CHECK_SNPRINTF(ret, machine_account_name); + + ret = snprintf(dc_name, sizeof(dc_name), "--server=%s", + adcli_conn_get_domain_controller(enroll->conn)); + CHECK_SNPRINTF(ret, dc_name); + + ret = snprintf(dc_address, sizeof(dc_address), "--ipaddress=%s", + ldap_address); + CHECK_SNPRINTF(ret, dc_address); + + _adcli_info("Trying to compose Samba ODJ blob."); + ret = _adcli_call_external_program(argv_composeodj[0], + argv_composeodj, envp_composeodj, + enroll->computer_password, + &compose_out_data, &compose_out_data_len); + if (ret != ADCLI_SUCCESS) { + while (compose_out_data && compose_out_data_len > 0 && + compose_out_data[compose_out_data_len - 1] == '\n') { + compose_out_data_len--; + } + _adcli_err("Failed to compose Samba ODJ blob: %.*s", + (int)compose_out_data_len, (char *)compose_out_data); + goto out; + } + + if (compose_out_data == NULL || compose_out_data_len == 0) { + _adcli_err("Failed to compose ODJ blob, no data returned."); + ret = ADCLI_ERR_FAIL; + goto out; + } + + _adcli_info("Trying to request Samba ODJ."); + ret = _adcli_call_external_program(argv_requestodj[0], + argv_requestodj, NULL, + (const char *)compose_out_data, + &request_out_data, &request_out_data_len); + if (ret != ADCLI_SUCCESS) { + while (request_out_data && request_out_data_len > 0 && + request_out_data[request_out_data_len - 1] == '\n') { + request_out_data_len--; + } + _adcli_err("Failed to request Samba ODJ: %.*s", + (int)request_out_data_len, request_out_data); + goto out; + } + + ret = ADCLI_SUCCESS; +out: + if (compose_out_data != NULL) { + /* Burn memory, the blob contains the machine password */ + memset(compose_out_data, 0, compose_out_data_len); + free(compose_out_data); + } + if (request_out_data != NULL) { + free(request_out_data); + } + + return ret; +} + +#else /* defined(SAMBA_NETAPI_HAS_COMPOSEODJ) */ + static adcli_result update_samba_data (adcli_enroll *enroll) { @@ -1885,6 +2029,8 @@ update_samba_data (adcli_enroll *enroll) return ret; } +#endif + static void enroll_clear_state (adcli_enroll *enroll) { -- 2.43.0
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