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exit dns threads with pthread_exit
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parent
b24325d879
commit
bc51714148
30
src/dns.c
30
src/dns.c
@ -83,12 +83,13 @@ static int dns_error(ToxWindow *self, uint8_t *errmsg)
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return -1;
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return -1;
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}
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}
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static int cleanup_dns_thread(void *dns_obj)
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static void kill_dns_thread(void *dns_obj)
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{
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{
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if (dns_obj)
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if (dns_obj)
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tox_dns3_kill(dns_obj);
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tox_dns3_kill(dns_obj);
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memset(&t_data, 0, sizeof(struct _thread_data));
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memset(&t_data, 0, sizeof(struct _thread_data));
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pthread_exit(0);
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}
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}
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/* puts TXT from dns response in buf. Returns length of TXT on success, -1 on fail.*/
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/* puts TXT from dns response in buf. Returns length of TXT on success, -1 on fail.*/
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@ -190,8 +191,7 @@ void *dns3_lookup_thread(void *data)
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if (namelen == -1) {
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if (namelen == -1) {
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dns_error(self, "Must be a Tox key or an address in the form username@domain");
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dns_error(self, "Must be a Tox key or an address in the form username@domain");
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cleanup_dns_thread(NULL);
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kill_dns_thread(NULL);
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return;
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}
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}
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/* get domain name/pub key */
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/* get domain name/pub key */
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@ -208,16 +208,14 @@ void *dns3_lookup_thread(void *data)
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if (domname == NULL) {
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if (domname == NULL) {
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dns_error(self, "Domain not found.");
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dns_error(self, "Domain not found.");
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cleanup_dns_thread(NULL);
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kill_dns_thread(NULL);
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return;
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}
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}
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void *dns_obj = tox_dns3_new(DNS_pubkey);
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void *dns_obj = tox_dns3_new(DNS_pubkey);
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if (dns_obj == NULL) {
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if (dns_obj == NULL) {
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dns_error(self, "Core failed to create DNS object.");
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dns_error(self, "Core failed to create DNS object.");
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cleanup_dns_thread(NULL);
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kill_dns_thread(NULL);
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return;
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}
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}
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uint8_t string[MAX_DNS_REQST_SIZE];
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uint8_t string[MAX_DNS_REQST_SIZE];
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@ -227,8 +225,7 @@ void *dns3_lookup_thread(void *data)
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if (str_len == -1) {
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if (str_len == -1) {
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dns_error(self, "Core failed to generate dns3 string.");
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dns_error(self, "Core failed to generate dns3 string.");
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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string[str_len] = '\0';
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string[str_len] = '\0';
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@ -242,16 +239,14 @@ void *dns3_lookup_thread(void *data)
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if (ans_len <= 0) {
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if (ans_len <= 0) {
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dns_error(self, "Query failed.");
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dns_error(self, "Query failed.");
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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uint8_t ans_id[MAX_DNS_REQST_SIZE];
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uint8_t ans_id[MAX_DNS_REQST_SIZE];
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/* extract TXT from DNS response */
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/* extract TXT from DNS response */
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if (parse_dns_response(self, answer, ans_len, ans_id) == -1) {
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if (parse_dns_response(self, answer, ans_len, ans_id) == -1) {
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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uint8_t encrypted_id[MAX_DNS_REQST_SIZE];
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uint8_t encrypted_id[MAX_DNS_REQST_SIZE];
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@ -260,24 +255,21 @@ void *dns3_lookup_thread(void *data)
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/* extract the encrypted ID from TXT response */
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/* extract the encrypted ID from TXT response */
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if (strncmp(ans_id, TOX_DNS3_TXT_PREFIX, prfx_len) != 0) {
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if (strncmp(ans_id, TOX_DNS3_TXT_PREFIX, prfx_len) != 0) {
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dns_error(self, "Bad dns3 TXT response.");
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dns_error(self, "Bad dns3 TXT response.");
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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memcpy(encrypted_id, ans_id + prfx_len, ans_len - prfx_len);
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memcpy(encrypted_id, ans_id + prfx_len, ans_len - prfx_len);
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if (tox_decrypt_dns3_TXT(dns_obj, t_data.id_bin, encrypted_id, strlen(encrypted_id), request_id) == -1) {
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if (tox_decrypt_dns3_TXT(dns_obj, t_data.id_bin, encrypted_id, strlen(encrypted_id), request_id) == -1) {
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dns_error(self, "Core failed to decrypt response.");
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dns_error(self, "Core failed to decrypt response.");
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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pthread_mutex_lock(&dns_thread.lock);
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pthread_mutex_lock(&dns_thread.lock);
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cmd_add_helper(self, t_data.m, t_data.id_bin, t_data.msg);
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cmd_add_helper(self, t_data.m, t_data.id_bin, t_data.msg);
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pthread_mutex_unlock(&dns_thread.lock);
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pthread_mutex_unlock(&dns_thread.lock);
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cleanup_dns_thread(dns_obj);
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kill_dns_thread(dns_obj);
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return;
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}
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}
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/* creates new thread for dns3 lookup. Only allows one lookup at a time. */
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/* creates new thread for dns3 lookup. Only allows one lookup at a time. */
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