From f1390d329b1172bfc38b43bb11a56b8cb6db1af8 Mon Sep 17 00:00:00 2001
From: Alex Nikiforov <nika@gentoo>
Date: Thu, 21 Jul 2011 13:20:48 +0400
Subject: [PATCH 1/2] cgclassify: add a PID check into the client
Add PID check code to the client. We dont need any read()/write() if
it's not valid.
Signed-off-by: Alex Nikiforov <a.nikifo...@samsung.com>
---
src/tools/cgclassify.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/tools/cgclassify.c b/src/tools/cgclassify.c
index 397b725..cffc63f 100644
--- a/src/tools/cgclassify.c
+++ b/src/tools/cgclassify.c
@@ -121,7 +121,8 @@ int main(int argc, char *argv[])
struct cgroup_group_spec *cgroup_list[CG_HIER_MAX];
int c;
char *endptr;
-
+ char path[FILENAME_MAX];
+ struct stat buff_stat;
if (argc < 2) {
usage(1, argv[0]);
@@ -167,8 +168,12 @@ int main(int argc, char *argv[])
}
for (i = optind; i < argc; i++) {
+
pid = (uid_t) strtol(argv[i], &endptr, 10);
- if (endptr[0] != '\0') {
+ snprintf(path, FILENAME_MAX, "/proc/%d", pid);
+
+ /* check PID */
+ if (endptr[0] != '\0' || stat(path, &buff_stat)) {
/* the input argument was not a number */
fprintf(stderr, "Error: %s is not valid pid.\n",
argv[i]);
--
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