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[common] option: fix bounds check in the argument parser.

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The recent `pwnkit` exploit brought this to my attention, not that we
are a setuid process we should still do this properly... who knows where
this code might get used in the future.
This commit is contained in:
Geoffrey McRae 2022-01-30 19:56:06 +11:00
parent febd081202
commit db78c8e468
1 changed files with 3 additions and 0 deletions
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3
common/src/option.c
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@ -272,6 +272,9 @@ static bool option_set(struct Option * opt, const char * value)
bool option_parse(int argc, char * argv[]) bool option_parse(int argc, char * argv[])
{ {
if (argc < 1)
return true;
for(int a = 1; a < argc; ++a) for(int a = 1; a < argc; ++a)
{ {
struct Option * o = NULL; struct Option * o = NULL;