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sock_util: Prevent overflow in _find_pathstart

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Limit the number of scanned chars in _find_pathstart to the predefined
size
This commit is contained in:
Koen Zandberg 2018-07-18 14:34:54 +02:00
parent b0309145f0
commit 3402e3509c
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GPG Key ID: 0895A893E6D2985B
1 changed files with 3 additions and 1 deletions
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4
sys/net/sock/sock_util.c
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@ -105,8 +105,10 @@ static char* _find_hoststart(const char *url)
static char* _find_pathstart(const char *url)
{
size_t remaining = SOCK_HOSTPORT_MAXLEN;
char *urlpos = (char*)url;
while(*urlpos) {
while(*urlpos && remaining) {
remaining--;
if (*urlpos == '/') {
return urlpos;
}