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https://github.com/Tha14/toxic.git
synced 2024-12-23 03:33:25 +01:00
Replace instances of unsafe atoi function with safe counterpart
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parent
ffcc804efe
commit
f295352495
@ -45,9 +45,9 @@ void cmd_cancelfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*ar
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char msg[MAX_STR_SIZE];
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const char *inoutstr = argv[1];
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int idx = atoi(argv[2]);
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long int idx = strtol(argv[2], NULL, 10);
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if (idx >= MAX_FILES || idx < 0) {
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if ((idx == 0 && strcmp(argv[2], "0")) || idx >= MAX_FILES || idx < 0) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid file ID.");
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return;
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}
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@ -85,9 +85,9 @@ void cmd_groupinvite(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*a
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return;
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}
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int groupnum = atoi(argv[1]);
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long int groupnum = strtol(argv[1], NULL, 10);
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if (groupnum == 0 && strcmp(argv[1], "0")) { /* atoi returns 0 value on invalid input */
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if ((groupnum == 0 && strcmp(argv[1], "0")) || groupnum < 0 || groupnum == LONG_MAX) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid group number.");
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return;
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}
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@ -146,9 +146,9 @@ void cmd_savefile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
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return;
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}
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int idx = atoi(argv[1]);
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long int idx = strtol(argv[1], NULL, 10);
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if ((idx == 0 && strcmp(argv[1], "0")) || idx >= MAX_FILES) {
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if ((idx == 0 && strcmp(argv[1], "0")) || idx < 0 || idx >= MAX_FILES) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "No pending file transfers with that ID.");
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return;
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}
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@ -50,9 +50,9 @@ void cmd_accept(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[
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return;
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}
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int req = atoi(argv[1]);
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long int req = strtol(argv[1], NULL, 10);
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if ((req == 0 && strcmp(argv[1], "0")) || req < 0 || req > MAX_FRIEND_REQUESTS) {
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if ((req == 0 && strcmp(argv[1], "0")) || req < 0 || req >= MAX_FRIEND_REQUESTS) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "No pending friend request with that ID.");
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return;
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}
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@ -248,10 +248,12 @@ void cmd_connect(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)
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}
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const char *ip = argv[1];
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const char *port = argv[2];
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const char *port_str = argv[2];
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const char *ascii_key = argv[3];
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if (atoi(port) == 0) {
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long int port = strtol(port_str, NULL, 10);
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if (port <= 0 || port > MAX_PORT_RANGE) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid port.");
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return;
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}
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@ -263,8 +265,8 @@ void cmd_connect(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)
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}
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TOX_ERR_BOOTSTRAP err;
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tox_bootstrap(m, ip, atoi(port), (uint8_t *) key_binary, &err);
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tox_add_tcp_relay(m, ip, atoi(port), (uint8_t *) key_binary, &err);
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tox_bootstrap(m, ip, port, (uint8_t *) key_binary, &err);
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tox_add_tcp_relay(m, ip, port, (uint8_t *) key_binary, &err);
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switch (err) {
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case TOX_ERR_BOOTSTRAP_BAD_HOST:
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@ -290,9 +292,9 @@ void cmd_decline(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)
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return;
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}
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int req = atoi(argv[1]);
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long int req = strtol(argv[1], NULL, 10);
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if ((req == 0 && strcmp(argv[1], "0")) || req < 0 || req > MAX_FRIEND_REQUESTS) {
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if ((req == 0 && strcmp(argv[1], "0")) || req < 0 || req >= MAX_FRIEND_REQUESTS) {
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line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "No pending friend request with that ID.");
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return;
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}
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33
src/toxic.c
33
src/toxic.c
@ -299,10 +299,15 @@ static int load_nodelist(const char *filename)
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if (line_len >= MIN_NODE_LINE && line_len <= MAX_NODE_LINE) {
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const char *name = strtok(line, " ");
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const char *port = strtok(NULL, " ");
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const char *port_str = strtok(NULL, " ");
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const char *key_ascii = strtok(NULL, " ");
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if (name == NULL || port == NULL || key_ascii == NULL)
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if (name == NULL || port_str == NULL || key_ascii == NULL)
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continue;
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long int port = strtol(port_str, NULL, 10);
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if (port <= 0 || port > MAX_PORT_RANGE)
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continue;
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size_t key_len = strlen(key_ascii);
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@ -313,7 +318,7 @@ static int load_nodelist(const char *filename)
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snprintf(toxNodes.nodes[toxNodes.lines], sizeof(toxNodes.nodes[toxNodes.lines]), "%s", name);
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toxNodes.nodes[toxNodes.lines][NODELEN - 1] = 0;
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toxNodes.ports[toxNodes.lines] = atoi(port);
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toxNodes.ports[toxNodes.lines] = port;
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/* remove possible trailing newline from key string */
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char real_ascii_key[TOX_PUBLIC_KEY_SIZE * 2 + 1];
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@ -938,6 +943,7 @@ static void parse_args(int argc, char *argv[])
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const char *opts_str = "4bdehotuxc:f:n:r:p:P:T:";
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int opt, indexptr;
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long int port = 0;
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while ((opt = getopt_long(argc, argv, opts_str, long_opts, &indexptr)) != -1) {
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switch (opt) {
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@ -1014,7 +1020,12 @@ static void parse_args(int argc, char *argv[])
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if (++optind > argc || argv[optind-1][0] == '-')
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exit_toxic_err("Proxy error", FATALERR_PROXY);
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arg_opts.proxy_port = (uint16_t) atoi(argv[optind-1]);
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port = strtol(argv[optind-1], NULL, 10);
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if (port <= 0 || port > MAX_PORT_RANGE)
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exit_toxic_err("Proxy error", FATALERR_PROXY);
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arg_opts.proxy_port = port;
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break;
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case 'P':
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@ -1024,7 +1035,12 @@ static void parse_args(int argc, char *argv[])
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if (++optind > argc || argv[optind-1][0] == '-')
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exit_toxic_err("Proxy error", FATALERR_PROXY);
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arg_opts.proxy_port = (uint16_t) atoi(argv[optind-1]);
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port = strtol(argv[optind-1], NULL, 10);
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if (port <= 0 || port > MAX_PORT_RANGE)
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exit_toxic_err("Proxy error", FATALERR_PROXY);
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arg_opts.proxy_port = port;
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break;
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case 'r':
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@ -1040,7 +1056,12 @@ static void parse_args(int argc, char *argv[])
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break;
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case 'T':
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arg_opts.tcp_port = (uint16_t) atoi(optarg);
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port = strtol(optarg, NULL, 10);
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if (port <= 0 || port > MAX_PORT_RANGE)
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port = 14191;
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arg_opts.tcp_port = port;
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break;
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case 'u':
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@ -49,6 +49,10 @@
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#define KEY_IDENT_DIGITS 3 /* number of hex digits to display for the pub-key based identifier */
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#define TIME_STR_SIZE 32
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#ifndef MAX_PORT_RANGE
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#define MAX_PORT_RANGE 65535
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#endif
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/* ASCII key codes */
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#define T_KEY_ESC 0x1B /* ESC key */
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#define T_KEY_KILL 0x0B /* ctrl-k */
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