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authorUlrich Drepper <drepper@gmail.com>2011-09-05 20:24:50 -0400
committerUlrich Drepper <drepper@gmail.com>2011-09-05 20:24:50 -0400
commitd96de9634a334af16c0ac711074c15ac1762b23c (patch)
tree78f566d420a800c92347a7b994d8850a644f1b61
parent54b1f8b6bf88e34c55b77b2e4acb00776b4a5783 (diff)
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Try shell in posix_spawn* only in compat mode
-rw-r--r--ChangeLog15
-rw-r--r--NEWS2
-rw-r--r--posix/spawn.c27
-rw-r--r--posix/spawn_int.h5
-rw-r--r--posix/spawni.c4
-rw-r--r--posix/spawnp.c30
-rw-r--r--sysdeps/mach/hurd/spawni.c10
-rw-r--r--sysdeps/posix/spawni.c14
8 files changed, 83 insertions, 24 deletions
diff --git a/ChangeLog b/ChangeLog
index 8a45478..9dbb0cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,20 @@
2011-09-05 Ulrich Drepper <drepper@gmail.com>
+ [BZ #13134]
+ * sysdeps/posix/spawni.c (script_execute): Define only for compatibility
+ before glibc 2.15.
+ (tryshell): Define.
+ (__spawni): Change last parameter to be flag. Test
+ SPAWN_XFLAGS_USE_PATH flag to use path or not.
+ Don't try to use shell unless SPAWN_XFLAGS_TRY_SHELL is set.
+ * sysdeps/mach/hurd/spawni.c: Change last parameter and adjust user.
+ * posix/spawni.c: Likewise.
+ * posix/spawn.c: Add compat version which passed SPAWN_XFLAGS_TRY_SHELL.
+ * posix/spawnp.c: Likewise. Change normal version to use
+ SPAWN_XFLAGS_USE_PATH.
+ * posix/spawn_int.c: Define SPAWN_XFLAGS_USE_PATH and
+ SPAWN_XFLAGS_TRY_SHELL.
+
[BZ #13150]
* posix/glob.h: Remove gcc 1.x support.
diff --git a/NEWS b/NEWS
index a9f951a..3eda9c1 100644
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,7 @@ Version 2.15
* The following bugs are resolved with this release:
9696, 12868, 12852, 12874, 12885, 12907, 12922, 12935, 13007, 13021,
- 13068, 13114, 13144, 13150
+ 13068, 13114, 13134, 13144, 13150
* New program pldd to list loaded object of a process
Implemented by Ulrich Drepper.
diff --git a/posix/spawn.c b/posix/spawn.c
index b93b320..dd68fbd 100644
--- a/posix/spawn.c
+++ b/posix/spawn.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2011 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
@@ -18,14 +18,31 @@
#include <spawn.h>
#include "spawn_int.h"
+#include <shlib-compat.h>
/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
Before running the process perform the actions described in FILE-ACTIONS. */
int
-posix_spawn (pid_t *pid, const char *path,
- const posix_spawn_file_actions_t *file_actions,
- const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[])
+__posix_spawn (pid_t *pid, const char *path,
+ const posix_spawn_file_actions_t *file_actions,
+ const posix_spawnattr_t *attrp, char *const argv[],
+ char *const envp[])
{
return __spawni (pid, path, file_actions, attrp, argv, envp, 0);
}
+versioned_symbol (libc, __posix_spawn, posix_spawn, GLIBC_2_15);
+
+
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
+int
+attribute_compat_text_section
+__posix_spawn_compat (pid_t *pid, const char *file,
+ const posix_spawn_file_actions_t *file_actions,
+ const posix_spawnattr_t *attrp, char *const argv[],
+ char *const envp[])
+{
+ return __spawni (pid, file, file_actions, attrp, argv, envp,
+ SPAWN_XFLAGS_TRY_SHELL);
+}
+compat_symbol (libc, __posix_spawn_compat, posix_spawn, GLIBC_2_2);
+#endif
diff --git a/posix/spawn_int.h b/posix/spawn_int.h
index a3e9347..5609e58 100644
--- a/posix/spawn_int.h
+++ b/posix/spawn_int.h
@@ -29,10 +29,13 @@ struct __spawn_action
} action;
};
+#define SPAWN_XFLAGS_USE_PATH 0x1
+#define SPAWN_XFLAGS_TRY_SHELL 0x2
+
extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
file_actions);
extern int __spawni (pid_t *pid, const char *path,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[], int use_path);
+ char *const envp[], int xflags);
diff --git a/posix/spawni.c b/posix/spawni.c
index c7d5f59..4e5f77f 100644
--- a/posix/spawni.c
+++ b/posix/spawni.c
@@ -1,5 +1,5 @@
/* Guts of POSIX spawn interface. Stub version.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2011 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
@@ -36,7 +36,7 @@ int
__spawni (pid_t *pid, const char *file,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[], int use_path)
+ char *const envp[], int xflags)
{
__set_errno (ENOSYS);
return -1;
diff --git a/posix/spawnp.c b/posix/spawnp.c
index 2b15391..79886fb 100644
--- a/posix/spawnp.c
+++ b/posix/spawnp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2011 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
@@ -18,14 +18,32 @@
#include <spawn.h>
#include "spawn_int.h"
+#include <shlib-compat.h>
/* Spawn a new process executing FILE with the attributes describes in *ATTRP.
Before running the process perform the actions described in FILE-ACTIONS. */
int
-posix_spawnp (pid_t *pid, const char *file,
- const posix_spawn_file_actions_t *file_actions,
- const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[])
+__posix_spawnp (pid_t *pid, const char *file,
+ const posix_spawn_file_actions_t *file_actions,
+ const posix_spawnattr_t *attrp, char *const argv[],
+ char *const envp[])
{
- return __spawni (pid, file, file_actions, attrp, argv, envp, 1);
+ return __spawni (pid, file, file_actions, attrp, argv, envp,
+ SPAWN_XFLAGS_USE_PATH);
}
+versioned_symbol (libc, __posix_spawnp, posix_spawnp, GLIBC_2_15);
+
+
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
+int
+attribute_compat_text_section
+__posix_spawnp_compat (pid_t *pid, const char *file,
+ const posix_spawn_file_actions_t *file_actions,
+ const posix_spawnattr_t *attrp, char *const argv[],
+ char *const envp[])
+{
+ return __spawni (pid, file, file_actions, attrp, argv, envp,
+ SPAWN_XFLAGS_USE_PATH | SPAWN_XFLAGS_TRY_SHELL);
+}
+compat_symbol (libc, __posix_spawnp_compat, posix_spawnp, GLIBC_2_2);
+#endif
diff --git a/sysdeps/mach/hurd/spawni.c b/sysdeps/mach/hurd/spawni.c
index 244ca2d..3d2b591 100644
--- a/sysdeps/mach/hurd/spawni.c
+++ b/sysdeps/mach/hurd/spawni.c
@@ -1,5 +1,5 @@
/* spawn a new process running an executable. Hurd version.
- Copyright (C) 2001,02,04 Free Software Foundation, Inc.
+ Copyright (C) 2001,02,04,11 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
@@ -41,7 +41,7 @@ __spawni (pid_t *pid, const char *file,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp,
char *const argv[], char *const envp[],
- int use_path)
+ int xflags)
{
pid_t new_pid;
char *path, *p, *name;
@@ -391,7 +391,7 @@ __spawni (pid_t *pid, const char *file,
/* Make sure the dtable can hold NEWFD. */
#define EXPAND_DTABLE(newfd) \
- ({ \
+ ({ \
if ((unsigned int)newfd >= dtablesize \
&& newfd < _hurd_rlimits[RLIMIT_OFILE].rlim_cur) \
{ \
@@ -399,7 +399,7 @@ __spawni (pid_t *pid, const char *file,
NEW_TABLE (dtable, newfd); \
NEW_TABLE (ulink_dtable, newfd); \
NEW_TABLE (dtable_cells, newfd); \
- dtablesize = newfd + 1; \
+ dtablesize = newfd + 1; \
} \
((unsigned int)newfd < dtablesize ? 0 : EMFILE); \
})
@@ -543,7 +543,7 @@ __spawni (pid_t *pid, const char *file,
conditions are diagnosed first and what side effects (file creation,
etc) can be observed before what errors. */
- if (! use_path || strchr (file, '/') != NULL)
+ if ((xflags & SPAWN_XFLAGS_USE_PATH) == 0 || strchr (file, '/') != NULL)
/* The FILE parameter is actually a path. */
err = child_lookup (file, O_EXEC, 0, &execfile);
else
diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c
index f19862f..129edcd 100644
--- a/sysdeps/posix/spawni.c
+++ b/sysdeps/posix/spawni.c
@@ -28,6 +28,7 @@
#include "spawn_int.h"
#include <not-cancel.h>
#include <local-setxid.h>
+#include <shlib-compat.h>
/* The Unix standard contains a long explanation of the way to signal
@@ -38,6 +39,7 @@
#define SPAWN_ERROR 127
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
/* The file is accessible but it is not an executable file. Invoke
the shell to interpret it as a script. */
static void
@@ -64,6 +66,10 @@ script_execute (const char *file, char *const argv[], char *const envp[])
__execve (new_argv[0], new_argv, envp);
}
}
+# define tryshell (xflags & SPAWN_XFLAGS_TRY_SHELL)
+#else
+# define tryshell 0
+#endif
/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
@@ -72,7 +78,7 @@ int
__spawni (pid_t *pid, const char *file,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[], int use_path)
+ char *const envp[], int xflags)
{
pid_t new_pid;
char *path, *p, *name;
@@ -226,12 +232,12 @@ __spawni (pid_t *pid, const char *file,
}
}
- if (! use_path || strchr (file, '/') != NULL)
+ if ((xflags & SPAWN_XFLAGS_USE_PATH) == 0 || strchr (file, '/') != NULL)
{
/* The FILE parameter is actually a path. */
__execve (file, argv, envp);
- if (errno == ENOEXEC)
+ if (tryshell && errno == ENOEXEC)
script_execute (file, argv, envp);
/* Oh, oh. `execve' returns. This is bad. */
@@ -277,7 +283,7 @@ __spawni (pid_t *pid, const char *file,
/* Try to execute this name. If it works, execv will not return. */
__execve (startp, argv, envp);
- if (errno == ENOEXEC)
+ if (tryshell && errno == ENOEXEC)
script_execute (startp, argv, envp);
switch (errno)