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2292. [bug] Log if the working directory is not writable.

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[RT #17312]

2291.   [bug]           PR_SET_DUMPABLE may be set too late.  Also report
                        failure to set PR_SET_DUMPABLE. [RT #17312]
This commit is contained in:
Mark Andrews
2008-01-09 04:48:33 +00:00
parent 2678fccde3
commit f61a7c87bf
3 changed files with 26 additions and 6 deletions
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14
bin/named/unix/os.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: os.c,v 1.79 2007/06/19 23:46:59 tbox Exp $ */
/* $Id: os.c,v 1.80 2008/01/09 04:48:33 marka Exp $ */
/*! \file */
@@ -496,15 +496,19 @@ ns_os_changeuser(void) {
ns_main_earlyfatal("setuid(): %s", strbuf);
}
#if defined(HAVE_LINUX_CAPABILITY_H) && !defined(HAVE_LINUXTHREADS)
linux_minprivs();
#endif
#if defined(HAVE_SYS_PRCTL_H) && defined(PR_SET_DUMPABLE)
/*
* Restore the ability of named to drop core after the setuid()
* call has disabled it.
*/
prctl(PR_SET_DUMPABLE,1,0,0,0);
if (prctl(PR_SET_DUMPABLE,1,0,0,0) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
ns_main_earlywarning("prctl(PR_SET_DUMPABLE) failed: %s",
strbuf);
}
#endif
#if defined(HAVE_LINUX_CAPABILITY_H) && !defined(HAVE_LINUXTHREADS)
linux_minprivs();
#endif
}