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| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
| commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
| tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/posix/spawni.c | |
| parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
| download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip | |
2.5-18.1
Diffstat (limited to 'sysdeps/posix/spawni.c')
| -rw-r--r-- | sysdeps/posix/spawni.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c index 69106c480e..29803a8461 100644 --- a/sysdeps/posix/spawni.c +++ b/sysdeps/posix/spawni.c @@ -1,5 +1,5 @@ /* Guts of POSIX spawn interface. Generic POSIX.1 version. - Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2000-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -26,6 +26,7 @@ #include <unistd.h> #include "spawn_int.h" #include <not-cancel.h> +#include <local-setxid.h> /* The Unix standard contains a long explanation of the way to signal @@ -81,7 +82,15 @@ __spawni (pid_t *pid, const char *file, short int flags = attrp == NULL ? 0 : attrp->__flags; /* Generate the new process. */ - if (flags & POSIX_SPAWN_USEVFORK) + if ((flags & POSIX_SPAWN_USEVFORK) != 0 + /* If no major work is done, allow using vfork. Note that we + might perform the path searching. But this would be done by + a call to execvp(), too, and such a call must be OK according + to POSIX. */ + || ((flags & (POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETSIGDEF + | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER + | POSIX_SPAWN_SETPGROUP | POSIX_SPAWN_RESETIDS)) == 0 + && file_actions == NULL)) new_pid = __vfork (); else new_pid = __fork (); @@ -147,7 +156,8 @@ __spawni (pid_t *pid, const char *file, /* Set the effective user and group IDs. */ if ((flags & POSIX_SPAWN_RESETIDS) != 0 - && (seteuid (__getuid ()) != 0 || setegid (__getgid ()) != 0)) + && (local_seteuid (__getuid ()) != 0 + || local_setegid (__getgid ()) != 0)) _exit (SPAWN_ERROR); /* Execute the file actions. */ @@ -169,9 +179,10 @@ __spawni (pid_t *pid, const char *file, case spawn_do_open: { - int new_fd = __open64 (action->action.open_action.path, - action->action.open_action.oflag, - action->action.open_action.mode); + int new_fd = open_not_cancel (action->action.open_action.path, + action->action.open_action.oflag + | O_LARGEFILE, + action->action.open_action.mode); if (new_fd == -1) /* The `open' call failed. */ @@ -185,7 +196,7 @@ __spawni (pid_t *pid, const char *file, /* The `dup2' call failed. */ _exit (SPAWN_ERROR); - if (__close (new_fd) != 0) + if (close_not_cancel (new_fd) != 0) /* The `close' call failed. */ _exit (SPAWN_ERROR); } |