diff options
author | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-01-29 22:54:29 +0000 |
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committer | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-01-29 22:54:29 +0000 |
commit | 0ff5ae8abf03b712c34e869948652f20dbd858f9 (patch) | |
tree | bbb253ebe3936896c27af17928c80ed7025d9244 /apps/app_externalivr.c | |
parent | 2a514c914219bb3e8628021109b509d8087488d4 (diff) |
Lose the CAP_NET_ADMIN at every fork, instead of at startup. Otherwise, if
Asterisk runs as a non-root user and the administrator does a 'restart now',
Asterisk loses the ability to set QOS on packets.
(closes issue #14004)
Reported by: nemo
Patches:
20090105__bug14004.diff.txt uploaded by Corydon76 (license 14)
Tested by: Corydon76
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@172438 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'apps/app_externalivr.c')
-rw-r--r-- | apps/app_externalivr.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/apps/app_externalivr.c b/apps/app_externalivr.c index 8004fecd1..42fd469c3 100644 --- a/apps/app_externalivr.c +++ b/apps/app_externalivr.c @@ -31,6 +31,10 @@ * \ingroup applications */ +/*** MODULEINFO + <depend>working_fork</depend> + ***/ + #include "asterisk.h" ASTERISK_FILE_VERSION(__FILE__, "$Revision$") @@ -41,6 +45,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include <unistd.h> #include <errno.h> #include <signal.h> +#ifdef HAVE_CAP +#include <sys/capability.h> +#endif /* HAVE_CAP */ #include "asterisk/lock.h" #include "asterisk/file.h" @@ -317,6 +324,15 @@ static int app_exec(struct ast_channel *chan, void *data) if (!pid) { /* child process */ int i; +#ifdef HAVE_CAP + cap_t cap = cap_from_text("cap_net_admin-eip"); + + if (cap_set_proc(cap)) { + /* Careful with order! Logging cannot happen after we close FDs */ + ast_log(LOG_WARNING, "Unable to remove capabilities.\n"); + } + cap_free(cap); +#endif signal(SIGPIPE, SIG_DFL); pthread_sigmask(SIG_UNBLOCK, &fullset, NULL); |