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openSUSE:11.4:Update
coreutils.import4829
coreutils-bnc#697897-setsid.patch
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File coreutils-bnc#697897-setsid.patch of Package coreutils.import4829
Index: src/su.c =================================================================== --- src/su.c.orig 2011-06-08 15:44:23.305685113 +0200 +++ src/su.c 2011-06-08 15:47:18.916280506 +0200 @@ -141,6 +141,9 @@ static bool simulate_login; /* If true, change some environment vars to indicate the user su'd to. */ static bool change_environment; +/* If true, then don't call setsid() with a command. */ +int same_session = 0; + #ifdef USE_PAM static bool _pam_session_opened; static bool _pam_cred_established; @@ -149,6 +152,7 @@ static bool _pam_cred_established; static struct option const longopts[] = { {"command", required_argument, NULL, 'c'}, + {"session-command", required_argument, NULL, 'C'}, {"fast", no_argument, NULL, 'f'}, {"login", no_argument, NULL, 'l'}, {"preserve-environment", no_argument, NULL, 'p'}, @@ -323,14 +327,29 @@ create_watching_parent (void) sigemptyset (&action.sa_mask); action.sa_flags = 0; sigemptyset (&ourset); - if (sigaddset (&ourset, SIGTERM) - || sigaddset (&ourset, SIGALRM) - || sigaction (SIGTERM, &action, NULL) - || sigprocmask (SIG_UNBLOCK, &ourset, NULL)) - { + + if (!same_session) + { + if (sigaddset(&ourset, SIGINT) || sigaddset(&ourset, SIGQUIT)) + { + error (0, errno, _("cannot set signal handler")); + caught_signal = true; + } + } + if (!caught_signal && (sigaddset(&ourset, SIGTERM) + || sigaddset(&ourset, SIGALRM) + || sigaction(SIGTERM, &action, NULL) + || sigprocmask(SIG_UNBLOCK, &ourset, NULL))) + { error (0, errno, _("cannot set signal handler")); caught_signal = true; } + if (!caught_signal && !same_session && (sigaction(SIGINT, &action, NULL) + || sigaction(SIGQUIT, &action, NULL))) + { + error (0, errno, _("cannot set signal handler")); + caught_signal = true; + } } if (!caught_signal) { @@ -748,6 +767,8 @@ Change the effective user id and group i \n\ -, -l, --login make the shell a login shell\n\ -c, --command=COMMAND pass a single COMMAND to the shell with -c\n\ + --session-command=COMMAND pass a single COMMAND to the shell with -c\n\ + and do not create a new session\n\ -f, --fast pass -f to the shell (for csh or tcsh)\n\ -m, --preserve-environment do not reset environment variables\n\ -p same as -m\n\ @@ -770,6 +791,7 @@ main (int argc, char **argv) int optc; const char *new_user = DEFAULT_USER; char *command = NULL; + int request_same_session = 0; char *shell = NULL; struct passwd *pw; struct passwd pw_copy; @@ -795,6 +817,11 @@ main (int argc, char **argv) command = optarg; break; + case 'C': + command = optarg; + request_same_session = 1; + break; + case 'f': fast_startup = true; break; @@ -865,6 +892,9 @@ main (int argc, char **argv) } #endif + if (request_same_session || !command || !pw->pw_uid) + same_session = 1; + if (!shell && !change_environment) shell = getenv ("SHELL"); if (shell && getuid () != 0 && restricted_shell (pw->pw_shell)) @@ -886,6 +916,8 @@ main (int argc, char **argv) #endif change_identity (pw); + if (!same_session) + setsid (); /* Set environment after pam_open_session, which may put KRB5CCNAME into the pam_env, etc. */
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