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* elf/rtld.c (process_envvars): Open debug output file with O_NOFOLLOW.
This commit is contained in:
Ulrich Drepper
2000-09-26 05:50:51 +00:00
parent 6c163862c4
commit 5f2de3379c
5 changed files with 16 additions and 3 deletions
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7
elf/rtld.c
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@@ -1497,6 +1497,11 @@ process_envvars (enum mode *modep, int *lazyp)
messages to this file. */
if (any_debug && debug_output != NULL && !__libc_enable_secure)
{
#ifdef O_NOFOLLOW
const int flags = O_WRONLY | O_APPEND | O_CREAT | O_NOFOLLOW;
#else
const int flags = O_WRONLY | O_APPEND | O_CREAT;
#endif
size_t name_len = strlen (debug_output);
char buf[name_len + 12];
char *startp;
@@ -1506,7 +1511,7 @@ process_envvars (enum mode *modep, int *lazyp)
*--startp = '.';
startp = memcpy (startp - name_len, debug_output, name_len);
_dl_debug_fd = __open (startp, O_WRONLY | O_APPEND | O_CREAT, 0666);
_dl_debug_fd = __open (startp, flags, 0666);
if (_dl_debug_fd == -1)
/* We use standard output if opening the file failed. */
_dl_debug_fd = STDOUT_FILENO;