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https://github.com/Tha14/toxic.git
synced 2024-11-22 21:13:02 +01:00
fix potential race conditions
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parent
f98c77432b
commit
1ce731471d
@ -253,7 +253,7 @@ static void chat_onFileSendRequest(ToxWindow *self, Tox *m, int32_t num, uint8_t
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/* holds the lone filename */
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char filename_nopath[MAX_STR_SIZE];
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get_file_name(filename_nopath, pathname);
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get_file_name(filename_nopath, sizeof(filename_nopath), pathname);
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int len = strlen(filename_nopath);
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snprintf(msg, sizeof(msg), "File transfer request for '%s' (%llu bytes).", filename_nopath,
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@ -193,7 +193,7 @@ void cmd_sendfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
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fseek(file_to_send, 0, SEEK_SET);
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char filename[MAX_STR_SIZE];
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get_file_name(filename, path);
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get_file_name(filename, sizeof(filename), path);
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int filenum = tox_new_file_sender(m, self->num, filesize, (const uint8_t *) filename, strlen(filename));
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if (filenum == -1) {
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20
src/dns.c
20
src/dns.c
@ -45,6 +45,8 @@
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#define TOX_DNS3_TXT_PREFIX "v=tox3;id="
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#define DNS3_KEY_SZ 32
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extern struct _Winthread Winthread;
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/* TODO: process keys from key file instead of hard-coding like a noob */
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static struct dns3_server {
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char *name;
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@ -77,7 +79,6 @@ static struct _thread_data {
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static struct _dns_thread {
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pthread_t tid;
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pthread_mutex_t lock;
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} dns_thread;
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@ -86,9 +87,9 @@ static int dns_error(ToxWindow *self, char *errmsg)
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char msg[MAX_STR_SIZE];
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snprintf(msg, sizeof(msg), "User lookup failed: %s", errmsg);
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pthread_mutex_lock(&dns_thread.lock);
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pthread_mutex_lock(&Winthread.lock);
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line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
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pthread_mutex_unlock(&dns_thread.lock);
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pthread_mutex_unlock(&Winthread.lock);
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return -1;
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}
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@ -272,15 +273,15 @@ void *dns3_lookup_thread(void *data)
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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, (uint8_t *) t_data.id_bin, (uint8_t *) encrypted_id, strlen(encrypted_id),
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request_id) == -1) {
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if (tox_decrypt_dns3_TXT(dns_obj, (uint8_t *) t_data.id_bin, (uint8_t *) encrypted_id,
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strlen(encrypted_id), request_id) == -1) {
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dns_error(self, "Core failed to decrypt DNS response.");
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kill_dns_thread(dns_obj);
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}
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pthread_mutex_lock(&dns_thread.lock);
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pthread_mutex_lock(&Winthread.lock);
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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(&Winthread.lock);
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kill_dns_thread(dns_obj);
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return 0;
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@ -302,9 +303,10 @@ void dns3_lookup(ToxWindow *self, Tox *m, char *id_bin, char *addr, char *msg)
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t_data.m = m;
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t_data.busy = 1;
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pthread_mutex_unlock(&Winthread.lock);
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if (pthread_create(&dns_thread.tid, NULL, dns3_lookup_thread, NULL) != 0)
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exit_toxic_err("failed in dns3_lookup", FATALERR_THREAD_CREATE);
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if (pthread_mutex_init(&dns_thread.lock, NULL) != 0)
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exit_toxic_err("failed in dns3_lookup", FATALERR_MUTEX_INIT);
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pthread_mutex_lock(&Winthread.lock);
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}
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@ -194,7 +194,7 @@ int valid_nick(char *nick)
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}
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/* gets base file name from path or original file name if no path is supplied */
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void get_file_name(char *namebuf, const char *pathname)
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void get_file_name(char *namebuf, int bufsize, const char *pathname)
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{
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int idx = strlen(pathname) - 1;
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@ -213,7 +213,7 @@ void get_file_name(char *namebuf, const char *pathname)
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filename = tmpname;
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}
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snprintf(namebuf, sizeof(namebuf), "%s", filename);
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snprintf(namebuf, bufsize, "%s", filename);
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}
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/* converts str to all lowercase */
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@ -80,7 +80,7 @@ int qsort_strcasecmp_hlpr(const void *nick1, const void *nick2);
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int valid_nick(char *nick);
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/* gets base file name from path or original file name if no path is supplied */
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void get_file_name(char *namebuf, const char *pathname);
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void get_file_name(char *namebuf, int bufsize, const char *pathname);
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/* converts str to all lowercase */
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void str_to_lower(char *str);
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@ -259,7 +259,7 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
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wprintw(statusbar->topline, " %s", statusbar->nick);
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wattroff(statusbar->topline, A_BOLD);
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} else {
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wprintw(statusbar->topline, "[Offline]");
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wprintw(statusbar->topline, " [Offline]");
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wattron(statusbar->topline, A_BOLD);
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wprintw(statusbar->topline, " %s ", statusbar->nick);
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wattroff(statusbar->topline, A_BOLD);
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@ -368,7 +368,7 @@ void prompt_init_statusbar(ToxWindow *self, Tox *m)
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const char *toxic_ver = strtok(ver, "_");
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if ( (!strcmp("Online", statusmsg) || !strncmp("Toxing on Toxic", statusmsg, 15)) && toxic_ver != NULL) {
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snprintf(statusmsg, sizeof(statusmsg), "Toxing on Toxic v.%s", toxic_ver);
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snprintf(statusmsg, MAX_STR_SIZE, "Toxing on Toxic v.%s", toxic_ver);
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s_len = strlen(statusmsg);
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statusmsg[s_len] = '\0';
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}
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17
src/toxic.c
17
src/toxic.c
@ -80,10 +80,9 @@ struct arg_opts {
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struct _Winthread Winthread;
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struct user_settings *user_settings = NULL;
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static bool sig_exit_toxic = false;
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static void catch_SIGINT(int sig)
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{
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sig_exit_toxic = true;
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Winthread.sig_exit_toxic = true;
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}
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static void flag_window_resize(int sig)
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@ -459,9 +458,8 @@ static void do_toxic(Tox *m, ToxWindow *prompt)
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pthread_mutex_lock(&Winthread.lock);
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do_connection(m, prompt);
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do_file_senders(m);
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pthread_mutex_unlock(&Winthread.lock);
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tox_do(m); /* main tox-core loop */
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pthread_mutex_unlock(&Winthread.lock);
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}
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#define INACTIVE_WIN_REFRESH_RATE 10
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@ -482,6 +480,11 @@ void *thread_winref(void *data)
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refresh_inactive_windows();
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draw_count = 0;
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}
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if (Winthread.sig_exit_toxic) {
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pthread_mutex_lock(&Winthread.lock);
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exit_toxic_success(m);
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}
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}
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}
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@ -648,13 +651,13 @@ int main(int argc, char *argv[])
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uint64_t cur_time = get_unix_time();
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if (timed_out(last_save, cur_time, AUTOSAVE_FREQ)) {
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pthread_mutex_lock(&Winthread.lock);
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store_data(m, DATA_FILE);
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pthread_mutex_unlock(&Winthread.lock);
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last_save = cur_time;
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}
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if (sig_exit_toxic)
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exit_toxic_success(m);
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usleep(40000);
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}
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@ -105,8 +105,7 @@ void on_nickchange(Tox *m, int32_t friendnumber, const uint8_t *string, uint16_t
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windows[i].onNickChange(&windows[i], m, friendnumber, (const char *) string, length);
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}
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if (store_data(m, DATA_FILE))
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wprintw(prompt->window, "\nCould not store Tox data\n");
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store_data(m, DATA_FILE);
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}
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void on_statusmessagechange(Tox *m, int32_t friendnumber, const uint8_t *string, uint16_t length, void *userdata)
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@ -138,8 +137,7 @@ void on_friendadded(Tox *m, int32_t friendnumber, bool sort)
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windows[i].onFriendAdded(&windows[i], m, friendnumber, sort);
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}
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if (store_data(m, DATA_FILE))
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wprintw(prompt->window, "\nCould not store Tox data\n");
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store_data(m, DATA_FILE);
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}
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void on_groupmessage(Tox *m, int groupnumber, int peernumber, const uint8_t *message, uint16_t length,
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@ -66,6 +66,7 @@ enum {
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struct _Winthread {
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pthread_t tid;
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pthread_mutex_t lock;
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bool sig_exit_toxic;
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bool flag_resize;
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};
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