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Merge pull request #1632 from profanity-im/fix-split-url

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Fix `_split_url()`
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Michael Vetter 2022-02-01 17:13:50 +01:00 committed by GitHub
commit 832f28bcb2
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1 changed files with 22 additions and 5 deletions
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27
src/xmpp/connection.c
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@ -929,14 +929,31 @@ _split_url(const char* alturi, gchar** host, gint* port)
ptrdiff_t hostlen;
/* search ':' from start and end
* if `first` matches `last` it's a `hostname:port` combination
* if `first` is different than `last` it's `[ip:v6]:port`
* if `first` is different than `last` it's `[ip:v6]` or `[ip:v6]:port`
*/
char* first = strchr(alturi, ':');
char* last = strrchr(alturi, ':');
if (first && first == last) {
hostlen = last - alturi;
if (!strtoi_range(last + 1, port, 1, 65535, NULL))
return FALSE;
if (first) {
if (first == last) {
hostlen = last - alturi;
if (!strtoi_range(last + 1, port, 1, 65535, NULL))
return FALSE;
} else {
/* IPv6 handling */
char* bracket = strrchr(alturi, ']');
if (!bracket)
return FALSE;
if (bracket > last) {
/* `[ip:v6]` */
hostlen = strlen(alturi) + 1;
*port = 0;
} else {
/* `[ip:v6]:port` */
hostlen = last - alturi;
if (!strtoi_range(last + 1, port, 1, 65535, NULL))
return FALSE;
}
}
} else {
hostlen = strlen(alturi) + 1;
*port = 0;