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author | netblue30 <netblue30@yahoo.com> | 2018-04-08 19:07:27 -0400 |
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committer | netblue30 <netblue30@yahoo.com> | 2018-04-08 19:07:27 -0400 |
commit | f8b64047f834095284fc3d3bdf73be089bb86fa6 (patch) | |
tree | 49d37e4b002760a5923e4eb764ea1335e880fa09 | |
parent | typo (diff) | |
download | firejail-f8b64047f834095284fc3d3bdf73be089bb86fa6.tar.gz firejail-f8b64047f834095284fc3d3bdf73be089bb86fa6.tar.zst firejail-f8b64047f834095284fc3d3bdf73be089bb86fa6.zip |
uid test utility
-rw-r--r-- | src/tools/testuid.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/tools/testuid.c b/src/tools/testuid.c new file mode 100644 index 000000000..633b9773e --- /dev/null +++ b/src/tools/testuid.c | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2014-2018 Firejail Authors | ||
3 | * | ||
4 | * This file is part of firejail project | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
19 | */ | ||
20 | |||
21 | // compile: gcc -o testuid testuid.c | ||
22 | |||
23 | #include <stdio.h> | ||
24 | #include <stdlib.h> | ||
25 | #include <string.h> | ||
26 | #include <unistd.h> | ||
27 | #include <sys/types.h> | ||
28 | |||
29 | |||
30 | static void print_status(void) { | ||
31 | FILE *fp = fopen("/proc/self/status", "r"); | ||
32 | if (!fp) { | ||
33 | fprintf(stderr, "Error, cannot open staus file\n"); | ||
34 | exit(1); | ||
35 | } | ||
36 | |||
37 | char buf[4096]; | ||
38 | while (fgets(buf, 4096, fp)) { | ||
39 | if (strncmp(buf, "Uid", 3) == 0 || strncmp(buf, "Gid", 3) == 0) | ||
40 | printf("%s", buf); | ||
41 | } | ||
42 | |||
43 | fclose(fp); | ||
44 | } | ||
45 | |||
46 | int main(void) { | ||
47 | print_status(); | ||
48 | return 0; | ||
49 | } | ||