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Change working directory to / under certain conditions.

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If backgrounding and no core will be produced, then changing the directory
won't break anything; likewise, if the CWD isn't accessible by the current
user, then a core wasn't possible anyway.
(closes issue #14831)
 Reported by: chris-mac
 Patches: 
       20090428__bug14831.diff.txt uploaded by tilghman (license 14)
       20090430__bug14831.diff.txt uploaded by tilghman (license 14)
 Tested by: chris-mac


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@191283 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2009-04-30 06:47:13 +00:00
parent c69c78b9ed
commit 4cbe6b1afe
1 changed files with 17 additions and 0 deletions
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17
main/asterisk.c
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@@ -3435,6 +3435,23 @@ int main(int argc, char *argv[])
ast_log(LOG_WARNING, "Unable to set the process for core dumps after changing to a non-root user. %s\n", strerror(errno)); ast_log(LOG_WARNING, "Unable to set the process for core dumps after changing to a non-root user. %s\n", strerror(errno));
} }
} }
{
char dir[PATH_MAX];
if (!getcwd(dir, sizeof(dir)) || eaccess(dir, R_OK | X_OK | F_OK)) {
ast_log(LOG_ERROR, "Unable to access the running directory (%s). Changing to '/' for compatibility.\n", strerror(errno));
/* If we cannot access the CWD, then we couldn't dump core anyway,
* so chdir("/") won't break anything. */
if (chdir("/")) {
ast_log(LOG_ERROR, "chdir() failed?!! %s\n", strerror(errno));
}
} else if (!ast_opt_no_fork && !ast_opt_dump_core) {
/* Backgrounding, but no cores, so chdir won't break anything. */
if (chdir("/")) {
ast_log(LOG_ERROR, "Unable to chdir(\"/\") ?!! %s\n", strerror(errno));
}
}
}
#endif #endif
ast_term_init(); ast_term_init();