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Merge branch 'ipv6.init_connection' of https://github.com/FullName/toxic into FullName-ipv6.init_connection
This commit is contained in:
commit
063bc7ca86
96
src/main.c
96
src/main.c
@ -116,12 +116,17 @@ static Tox *init_tox()
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return m;
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}
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#define MAXLINE 90 /* Approx max number of chars in a sever line (IP + port + key) */
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#define MINLINE 70
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#define MINLINE 50 /* IP: 7 + port: 5 + key: 38 + spaces: 2 = 70. ! (& e.g. tox.im = 6) */
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#define MAXLINE 256 /* Approx max number of chars in a sever line (name + port + key) */
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#define MAXSERVERS 50
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#define SERVERLEN (MAXLINE - TOX_CLIENT_ID_SIZE - 7)
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/* Connects to a random DHT server listed in the DHTservers file */
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int init_connection(Tox *m)
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static int linecnt = 0;
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static char servers[MAXSERVERS][SERVERLEN];
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static uint16_t ports[MAXSERVERS];
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static uint8_t keys[MAXSERVERS][TOX_CLIENT_ID_SIZE];
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int serverlist_load()
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{
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FILE *fp = NULL;
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@ -130,13 +135,26 @@ int init_connection(Tox *m)
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if (fp == NULL)
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return 1;
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char servers[MAXSERVERS][MAXLINE];
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char line[MAXLINE];
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int linecnt = 0;
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while (fgets(line, sizeof(line), fp) && linecnt < MAXSERVERS) {
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if (strlen(line) > MINLINE)
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strcpy(servers[linecnt++], line);
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if (strlen(line) > MINLINE) {
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char *name = strtok(line, " ");
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char *port = strtok(NULL, " ");
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char *key_ascii = strtok(NULL, " ");
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/* invalid line */
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if (name == NULL || port == NULL || key_ascii == NULL)
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continue;
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strncpy(servers[linecnt], name, SERVERLEN);
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servers[linecnt][SERVERLEN - 1] = 0;
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ports[linecnt] = htons(atoi(port));
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uint8_t *key_binary = hex_string_to_bin(key_ascii);
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memcpy(keys[linecnt], key_binary, TOX_CLIENT_ID_SIZE);
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free(key_binary);
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linecnt++;
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}
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}
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if (linecnt < 1) {
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@ -145,22 +163,56 @@ int init_connection(Tox *m)
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}
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fclose(fp);
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char *server = servers[rand() % linecnt];
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char *ip = strtok(server, " ");
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char *port = strtok(NULL, " ");
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char *key = strtok(NULL, " ");
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if (ip == NULL || port == NULL || key == NULL)
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return 3;
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uint8_t *binary_string = hex_string_to_bin(key);
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tox_bootstrap_from_address(m, ip, TOX_ENABLE_IPV6_DEFAULT,
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htons(atoi(port)), binary_string);
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free(binary_string);
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return 0;
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}
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int init_connection_helper(Tox *m, int linenumber)
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{
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return tox_bootstrap_from_address(m, servers[linenumber], TOX_ENABLE_IPV6_DEFAULT,
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ports[linenumber], keys[linenumber]);
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}
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/* Connects to a random DHT server listed in the DHTservers file
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*
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* return codes:
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* 1: failed to open server file
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* 2: no line of sufficient length in server file
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* 3: (old, removed) failed to split a selected line in the server file
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* 4: failed to resolve name to IP
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* 5: serverlist file contains no acceptable line
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*/
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static uint8_t init_connection_serverlist_loaded = 0;
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int init_connection(Tox *m)
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{
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if (linecnt > 0) /* already loaded serverlist */
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return init_connection_helper(m, rand() % linecnt) ? 0 : 4;
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/* only once:
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* - load the serverlist
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* - connect to "everyone" inside
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*/
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if (!init_connection_serverlist_loaded) {
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init_connection_serverlist_loaded = 1;
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int res = serverlist_load();
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if (res)
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return res;
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if (!linecnt)
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return 4;
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res = 6;
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int linenumber;
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for(linenumber = 0; linenumber < linecnt; linenumber++)
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if (init_connection_helper(m, linenumber))
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res = 0;
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return res;
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}
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/* empty serverlist file */
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return 5;
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}
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static void do_tox(Tox *m, ToxWindow *prompt)
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{
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static int conn_try = 0;
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