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author | Aleksey Veresov <aleksey@veresov.pro> | 2020-08-16 15:40:25 +0300 |
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committer | Aleksey Veresov <aleksey@veresov.pro> | 2020-08-16 15:40:25 +0300 |
commit | 6b286788c724b12da99661eec1d9a40cf82a046b (patch) | |
tree | 3f51f43d05ee58d4e2f1c12e8bcc43a397b79314 /dns.c | |
parent | acf41993d4d699ff12238e943d7112dfdd5ace12 (diff) | |
download | vsdns-6b286788c724b12da99661eec1d9a40cf82a046b.tar vsdns-6b286788c724b12da99661eec1d9a40cf82a046b.tar.xz vsdns-6b286788c724b12da99661eec1d9a40cf82a046b.zip |
SRV parsing added.
Diffstat (limited to 'dns.c')
-rw-r--r-- | dns.c | 43 |
1 files changed, 41 insertions, 2 deletions
@@ -174,6 +174,24 @@ static struct dns_answers *get_answers(char **reader, char *packet, int num) *((unsigned short *) res->data) = pref; memcpy(res->data + 2, name, strlen(name) + 1); free(name); + } else if (res->type == dns_type_srv) { + char *name; + unsigned short priority; + unsigned short weight; + unsigned short port; + priority = ntohs(*((unsigned short *) *reader)); + *reader += 2; + weight = ntohs(*((unsigned short *) *reader)); + *reader += 2; + port = ntohs(*((unsigned short *) *reader)); + *reader += 2; + name = read_name(reader, packet); + res->data = malloc(7 + strlen(name)); + ((unsigned short *) res->data)[0] = priority; + ((unsigned short *) res->data)[1] = weight; + ((unsigned short *) res->data)[2] = port; + memcpy(res->data + 6, name, strlen(name) + 1); + free(name); } else { if (res->type == dns_type_txt) { res->size--; @@ -208,14 +226,35 @@ static struct dns_answers *get(int sock, struct sockaddr_in *a) } +char *dns_mx_server(void *data) +{ + return ((char *) data) + 2; +} + int dns_mx_preference(void *data) { return *((unsigned short *) data); } -char *dns_mx_server(void *data) + +char *dns_srv_server(void *data) { - return ((char *) data) + 2; + return ((char *) data) + 6; +} + +int dns_srv_port(void *data) +{ + return ((unsigned short *) data)[2]; +} + +int dns_srv_priority(void *data) +{ + return *((unsigned short *) data); +} + +int dns_srv_weight(void *data) +{ + return ((unsigned short *) data)[1]; } |