diff options
| author | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2002-03-19 07:26:59 +0000 |
|---|---|---|
| committer | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2002-03-19 07:26:59 +0000 |
| commit | 122e89f94c0becf35865c08002937cfafdd53f34 (patch) | |
| tree | 8e27c4386320558a84ca3bfdd13c7420587d990e /usr.bin/pmdb/process.c | |
| parent | 83c5280f739f84f8b822a82506d1d80f766c112a (diff) | |
o check if the file is exists, is readable and executable before going
further.
o rearrange includes.
Diffstat (limited to 'usr.bin/pmdb/process.c')
| -rw-r--r-- | usr.bin/pmdb/process.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/usr.bin/pmdb/process.c b/usr.bin/pmdb/process.c index 3c08fa711bd..1e7f1d694ab 100644 --- a/usr.bin/pmdb/process.c +++ b/usr.bin/pmdb/process.c @@ -1,4 +1,4 @@ -/* $OpenBSD: process.c,v 1.2 2002/03/15 16:41:06 jason Exp $ */ +/* $OpenBSD: process.c,v 1.3 2002/03/19 07:26:58 fgsch Exp $ */ /* * Copyright (c) 2002 Artur Grabowski <art@openbsd.org> * All rights reserved. @@ -27,11 +27,13 @@ #include <sys/types.h> #include <sys/ptrace.h> #include <sys/wait.h> -#include <stdlib.h> -#include <stdio.h> +#include <err.h> +#include <errno.h> #include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> #include <unistd.h> -#include <err.h> #include "pmdb.h" #include "symbol.h" @@ -45,6 +47,12 @@ process_load(struct pstate *ps) if (ps->ps_state == LOADED) return (0); + if (access(*ps->ps_argv, R_OK|X_OK) < 0) { + fprintf(stderr, "%s: %s.\n", *ps->ps_argv, + strerror(errno)); + return (0); + } + switch (ps->ps_pid = fork()) { case 0: if (ptrace(PT_TRACE_ME, getpid(), NULL, 0) != 0) |