diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/setegid.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/setregid.c | 14 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/setreuid.c | 14 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/setegid.c | 6 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/seteuid.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c | 4 |
7 files changed, 20 insertions, 26 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setegid.c b/sysdeps/unix/sysv/linux/i386/setegid.c index 4dc79c7936..fcd6cf1827 100644 --- a/sysdeps/unix/sysv/linux/i386/setegid.c +++ b/sysdeps/unix/sysv/linux/i386/setegid.c @@ -39,7 +39,7 @@ setegid (gid) /* First try the syscall. */ # ifdef __NR_setresgid result = __setresgid (-1, gid, -1); -# if __ASSUME_SETRESUID_SYSCALL > 0 +# if __ASSUME_SETRESGID_SYSCALL > 0 if (0) # else if (result == -1 && errno == ENOSYS) diff --git a/sysdeps/unix/sysv/linux/i386/setregid.c b/sysdeps/unix/sysv/linux/i386/setregid.c index 343bbf4b40..05ed05bbc8 100644 --- a/sysdeps/unix/sysv/linux/i386/setregid.c +++ b/sysdeps/unix/sysv/linux/i386/setregid.c @@ -42,15 +42,15 @@ int __setregid (gid_t rgid, gid_t egid) { #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setresgid32, 3, rgid, egid, -1); + return INLINE_SYSCALL (setregid32, 2, rgid, egid); #else -# ifdef __NR_setresgid32 +# ifdef __NR_setregid32 if (__libc_missing_32bit_uids <= 0) { int result; int saved_errno = errno; - result = INLINE_SYSCALL (setresgid32, 3, rgid, egid, -1); + result = INLINE_SYSCALL (setregid32, 2, rgid, egid); if (result == 0 || errno != ENOSYS) return result; @@ -66,13 +66,7 @@ __setregid (gid_t rgid, gid_t egid) return -1; } -# ifdef __NR_setresgid - int result = INLINE_SYSCALL (setresgid, 3, rgid, egid, -1); -# endif - if (result == -1 && errno == ENOSYS) - result = INLINE_SYSCALL (setregid, 2, rgid, egid); - - return result; + return INLINE_SYSCALL (setregid, 2, rgid, egid); #endif } weak_alias (__setregid, setregid) diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c index 0867170e49..efd51dffd8 100644 --- a/sysdeps/unix/sysv/linux/i386/setreuid.c +++ b/sysdeps/unix/sysv/linux/i386/setreuid.c @@ -42,15 +42,15 @@ int __setreuid (uid_t ruid, uid_t euid) { #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setresuid32, 3, ruid, euid, -1); + return INLINE_SYSCALL (setreuid32, 2, ruid, euid); #else -# ifdef __NR_setresuid32 +# ifdef __NR_setreuid32 if (__libc_missing_32bit_uids <= 0) { int result; int saved_errno = errno; - result = INLINE_SYSCALL (setresuid32, 3, ruid, euid, -1); + result = INLINE_SYSCALL (setreuid32, 2, ruid, euid); if (result == 0 || errno != ENOSYS) return result; @@ -66,13 +66,7 @@ __setreuid (uid_t ruid, uid_t euid) return -1; } -# ifdef __NR_setresuid - itn result = INLINE_SYSCALL (setresuid, 3, ruid, euid, -1); -# endif - if (result == -1 && errno == ENOSYS) - result = INLINE_SYSCALL (setreuid, 2, ruid, euid); - - return result; + return INLINE_SYSCALL (setreuid, 2, ruid, euid); #endif } weak_alias (__setreuid, setreuid) diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index a95559de94..e49d1f48a8 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -127,6 +127,10 @@ # define __ASSUME_SETRESUID_SYSCALL 1 #endif +#if __LINUX_KERNEL_VERSION >= 131879 +# define __ASSUME_SETRESGID_SYSCALL 1 +#endif + /* Linux 2.3.39 introduced IPC64. Except for powerpc. */ #if __LINUX_KERNEL_VERSION >= 131879 && !defined __powerpc__ # define __ASSUME_IPC64 1 diff --git a/sysdeps/unix/sysv/linux/setegid.c b/sysdeps/unix/sysv/linux/setegid.c index 6643a9da79..34e64a3dee 100644 --- a/sysdeps/unix/sysv/linux/setegid.c +++ b/sysdeps/unix/sysv/linux/setegid.c @@ -24,7 +24,7 @@ #include <sysdep.h> #include "kernel-features.h" -#if defined __NR_setresgid || __ASSUME_SETRESUID_SYSCALL > 0 +#if defined __NR_setresgid || __ASSUME_SETRESGID_SYSCALL > 0 extern int __setresgid (gid_t rgid, gid_t egid, gid_t sgid); @@ -39,12 +39,12 @@ setegid (gid_t gid) return -1; } -# if __ASSUME_32BITUIDS > 0 +# if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32 return INLINE_SYSCALL (setresgid32, 3, -1, gid, -1); # else /* First try the syscall. */ result = __setresgid (-1, gid, -1); -# if __ASSUME_SETRESUID_SYSCALL == 0 +# if __ASSUME_SETRESGID_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use emulation. This may not work since `setregid' also sets the saved group ID when GID is not diff --git a/sysdeps/unix/sysv/linux/seteuid.c b/sysdeps/unix/sysv/linux/seteuid.c index 6570740af7..a1832d64bc 100644 --- a/sysdeps/unix/sysv/linux/seteuid.c +++ b/sysdeps/unix/sysv/linux/seteuid.c @@ -39,7 +39,7 @@ seteuid (uid_t uid) return -1; } -# if __ASSUME_32BITUIDS > 0 +# if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32 return INLINE_SYSCALL (setresuid32, 3, -1, uid, -1); # else /* First try the syscall. */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c index 11643f6d39..96f807484d 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2000, 2003 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 @@ -38,11 +38,13 @@ setegid (gid_t gid) /* First try the syscall. */ result = __setresgid (-1, gid, -1); +# if __ASSUME_SETRESGID_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use emulation. This may not work since `setregid' also sets the saved group ID when GID is not equal to the real group ID, making it impossible to switch back. */ result = __setregid (-1, gid); +# endif return result; } |