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Merge branch 'bugfix/mdns_non_standard_domains' into 'master'

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mdns: Fix parsing non-standard queries

Closes IDFGH-6009

See merge request espressif/esp-idf!15566
This commit is contained in:
David Čermák
2021-10-20 16:21:24 +00:00
parent f06bc441f3 d16f9bade5
commit 4e03a9c34c
1 changed files with 3 additions and 1 deletions
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4
components/mdns/mdns.c
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@ -310,6 +310,7 @@ static const uint8_t * _mdns_read_fqdn(const uint8_t * packet, const uint8_t * s
buf[len] = '\0'; buf[len] = '\0';
if (name->parts == 1 && buf[0] != '_' if (name->parts == 1 && buf[0] != '_'
&& (strcasecmp(buf, MDNS_DEFAULT_DOMAIN) != 0) && (strcasecmp(buf, MDNS_DEFAULT_DOMAIN) != 0)
&& (strcasecmp(buf, "arpa") != 0)
&& (strcasecmp(buf, "ip6") != 0) && (strcasecmp(buf, "ip6") != 0)
&& (strcasecmp(buf, "in-addr") != 0)) { && (strcasecmp(buf, "in-addr") != 0)) {
strlcat(name->host, ".", sizeof(name->host)); strlcat(name->host, ".", sizeof(name->host));
@ -2793,7 +2794,8 @@ static const uint8_t * _mdns_parse_fqdn(const uint8_t * packet, const uint8_t *
if (strcasecmp(name->domain, MDNS_DEFAULT_DOMAIN) == 0 || strcasecmp(name->domain, "arpa") == 0) { if (strcasecmp(name->domain, MDNS_DEFAULT_DOMAIN) == 0 || strcasecmp(name->domain, "arpa") == 0) {
return next_data; return next_data;
} }
return 0; name->invalid = true; // mark the current name invalid, but continue with other question
return next_data;
} }
/** /**