diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2000-08-21 21:01:22 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2000-08-21 21:01:22 +0000 |
commit | 3a807e70a3fcf019dbef22e871ab5081f2bcd501 (patch) | |
tree | 22d14b498faf5302f90a934133c052504670f84b /usr.sbin | |
parent | ab03bb0e0af2322256fffb1088e634c887f80f5a (diff) |
closelog, and check for various child setup failures; solar@false.com
Diffstat (limited to 'usr.sbin')
-rw-r--r-- | usr.sbin/cron/popen.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/usr.sbin/cron/popen.c b/usr.sbin/cron/popen.c index f36e2071f60..15d7e50cbcd 100644 --- a/usr.sbin/cron/popen.c +++ b/usr.sbin/cron/popen.c @@ -24,17 +24,21 @@ */ #ifndef lint -static char rcsid[] = "$Id: popen.c,v 1.6 2000/08/20 18:42:42 millert Exp $"; +static char rcsid[] = "$Id: popen.c,v 1.7 2000/08/21 21:01:21 deraadt Exp $"; static char sccsid[] = "@(#)popen.c 5.7 (Berkeley) 2/14/89"; #endif /* not lint */ #include "cron.h" + #include <signal.h> +#include <syslog.h> +#include <unistd.h> +#include <grp.h> + #if defined(LOGIN_CAP) # include <login_cap.h> #endif - #define MAX_ARGS 100 #define WANT_GLOBBING 0 @@ -110,6 +114,7 @@ cron_popen(program, type, e) goto pfree; /* NOTREACHED */ case 0: /* child */ + closelog(); if (*type == 'r') { if (pdes[1] != 1) { dup2(pdes[1], 1); @@ -138,12 +143,13 @@ cron_popen(program, type, e) _exit(ERROR_EXIT); } #else - setgid(e->gid); -# if defined(BSD) - initgroups(env_get("LOGNAME", e->envp), e->gid); -# endif + if (setgid(e->gid) || + setgroups(0, NULL) || + initgroups(env_get("LOGNAME", e->envp), e->gid)) + _exit(1); setlogin(env_get("LOGNAME", e->envp)); - setuid(e->uid); + if (setuid(e->uid)) + _exit(1); chdir(env_get("HOME", e->envp)); #endif } |