From 5df1c115391f2d673d3dd2dfb89146ce77639d41 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Wed, 28 Mar 2012 16:49:30 -0700 Subject: Start to add truncate checks on all uses of strlcpy(). Reading lwn has it's uses :-). Autobuild-User: Jeremy Allison Autobuild-Date: Thu Mar 29 20:48:15 CEST 2012 on sn-devel-104 --- lib/util/fault.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) (limited to 'lib/util/fault.c') diff --git a/lib/util/fault.c b/lib/util/fault.c index d0b34e540b..4f8e8db5ca 100644 --- a/lib/util/fault.c +++ b/lib/util/fault.c @@ -116,8 +116,6 @@ _PUBLIC_ const char *panic_action = NULL; */ static void smb_panic_default(const char *why) { - int result; - #if defined(HAVE_PRCTL) && defined(PR_SET_PTRACER) /* * Make sure all children can attach a debugger. @@ -126,20 +124,22 @@ static void smb_panic_default(const char *why) #endif if (panic_action && *panic_action) { - char pidstr[20]; char cmdstring[200]; - strlcpy(cmdstring, panic_action, sizeof(cmdstring)); - snprintf(pidstr, sizeof(pidstr), "%d", (int) getpid()); - all_string_sub(cmdstring, "%d", pidstr, sizeof(cmdstring)); - DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmdstring)); - result = system(cmdstring); - - if (result == -1) - DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n", - strerror(errno))); - else - DEBUG(0, ("smb_panic(): action returned status %d\n", - WEXITSTATUS(result))); + if (strlcpy(cmdstring, panic_action, sizeof(cmdstring)) < sizeof(cmdstring)) { + int result; + char pidstr[20]; + snprintf(pidstr, sizeof(pidstr), "%d", (int) getpid()); + all_string_sub(cmdstring, "%d", pidstr, sizeof(cmdstring)); + DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmdstring)); + result = system(cmdstring); + + if (result == -1) + DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n", + strerror(errno))); + else + DEBUG(0, ("smb_panic(): action returned status %d\n", + WEXITSTATUS(result))); + } } DEBUG(0,("PANIC: %s\n", why)); -- cgit