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alt-svc: skip expired entries read from file

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Extend test 1654 to verify

Closes #21187
This commit is contained in:
Daniel Stenberg 2026-04-01 09:16:31 +02:00
parent 4478a10f0d
commit 11609c3d45
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GPG key ID: 5CC908FDB71E12C2
2 changed files with 36 additions and 31 deletions
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58
lib/altsvc.c
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@ -45,6 +45,24 @@
#define H3VERSION "h3"
#if defined(DEBUGBUILD) || defined(UNITTESTS)
/* to play well with debug builds, we can *set* a fixed time this will
return */
static time_t altsvc_debugtime(void *unused)
{
const char *timestr = getenv("CURL_TIME");
(void)unused;
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, TIME_T_MAX);
return (time_t)val;
}
return time(NULL);
}
#undef time
#define time(x) altsvc_debugtime(x)
#endif
/* Given the ALPN ID, return the name */
const char *Curl_alpnid2str(enum alpnid id)
{
@ -165,22 +183,26 @@ static CURLcode altsvc_add(struct altsvcinfo *asi, const char *line)
struct altsvc *as;
char dbuf[MAX_ALTSVC_DATELEN + 1];
time_t expires = 0;
time_t now = time(NULL);
/* The date parser works on a null-terminated string. The maximum length
is upheld by curlx_str_quotedword(). */
memcpy(dbuf, curlx_str(&date), curlx_strlen(&date));
dbuf[curlx_strlen(&date)] = 0;
Curl_getdate_capped(dbuf, &expires);
as = altsvc_create(&srchost, &dsthost, &srcalpn, &dstalpn,
(size_t)srcport, (size_t)dstport);
if(as) {
as->expires = expires;
as->prio = 0; /* not supported, set zero */
as->persist = persist ? 1 : 0;
Curl_llist_append(&asi->list, as, &as->node);
if(now < expires) {
as = altsvc_create(&srchost, &dsthost, &srcalpn, &dstalpn,
(size_t)srcport, (size_t)dstport);
if(as) {
as->expires = expires;
as->prio = 0; /* not supported, set zero */
as->persist = persist ? 1 : 0;
Curl_llist_append(&asi->list, as, &as->node);
}
else
return CURLE_OUT_OF_MEMORY;
}
else
return CURLE_OUT_OF_MEMORY;
}
return CURLE_OK;
@ -430,24 +452,6 @@ static void altsvc_flush(struct altsvcinfo *asi, enum alpnid srcalpnid,
}
}
#if defined(DEBUGBUILD) || defined(UNITTESTS)
/* to play well with debug builds, we can *set* a fixed time this will
return */
static time_t altsvc_debugtime(void *unused)
{
const char *timestr = getenv("CURL_TIME");
(void)unused;
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, TIME_T_MAX);
return (time_t)val;
}
return time(NULL);
}
#undef time
#define time(x) altsvc_debugtime(x)
#endif
/*
* Curl_altsvc_parse() takes an incoming alt-svc response header and stores
* the data correctly in the cache.