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cap-list: check range of numeric value
author
Yu Watanabe
<watanabe.yu+github@gmail.com>
Tue, 28 Nov 2017 13:06:34 +0000
(22:06 +0900)
committer
Yu Watanabe
<watanabe.yu+github@gmail.com>
Tue, 28 Nov 2017 13:06:34 +0000
(22:06 +0900)
src/basic/cap-list.c
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diff --git
a/src/basic/cap-list.c
b/src/basic/cap-list.c
index
52b2ce8
..
c455766
100644
(file)
--- a/
src/basic/cap-list.c
+++ b/
src/basic/cap-list.c
@@
-54,8
+54,12
@@
int capability_from_name(const char *name) {
/* Try to parse numeric capability */
r = safe_atoi(name, &i);
- if (r >= 0 && i >= 0)
- return i;
+ if (r >= 0) {
+ if (i >= 0 && i < (int) ELEMENTSOF(capability_names))
+ return i;
+ else
+ return -EINVAL;
+ }
/* Try to parse string capability */
sc = lookup_capability(name, strlen(name));