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hsts: handle adding the same host name again

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It will then use the largest expire time of the two entries.
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Daniel Stenberg 2022-12-27 11:50:23 +01:00
parent 0bf8b796a0
commit ca02a77f05
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1 changed files with 11 additions and 2 deletions
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13
lib/hsts.c
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@ -426,14 +426,23 @@ static CURLcode hsts_add(struct hsts *h, char *line)
if(2 == rc) { if(2 == rc) {
time_t expires = strcmp(date, UNLIMITED) ? Curl_getdate_capped(date) : time_t expires = strcmp(date, UNLIMITED) ? Curl_getdate_capped(date) :
TIME_T_MAX; TIME_T_MAX;
CURLcode result; CURLcode result = CURLE_OK;
char *p = host; char *p = host;
bool subdomain = FALSE; bool subdomain = FALSE;
struct stsentry *e;
if(p[0] == '.') { if(p[0] == '.') {
p++; p++;
subdomain = TRUE; subdomain = TRUE;
} }
result = hsts_create(h, p, subdomain, expires); /* only add it if not already present */
e = Curl_hsts(h, p, subdomain);
if(!e)
result = hsts_create(h, p, subdomain, expires);
else {
/* the same host name, use the largest expire time */
if(expires > e->expires)
e->expires = expires;
}
if(result) if(result)
return result; return result;
} }