Mercurial > hg > nnchat
view main.c @ 509:942eea564b15 dev-1_1_0
Fix backbuffer offset manipulation, prevents a segfault.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 03 Jun 2012 06:32:55 +0300 |
parents | 12939e665e49 |
children | 291e3caa91a0 |
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/* * NNChat - Custom chat client for NewbieNudes.com chatrooms * Written by Matti 'ccr' Hämäläinen * (C) Copyright 2008-2012 Tecnic Software productions (TNSP) */ #include "util.h" #include "network.h" #include "ui.h" #include "th_args.h" #include "th_config.h" #include <time.h> #include <errno.h> #ifdef __WIN32 #include <shlwapi.h> #else #include <sys/wait.h> #endif #ifdef __WIN32 #define SET_CONFIG_FILE "nnchat.txt" #define SET_DIR_SEPARATOR "\\" #define SET_DELAY (0) #else #define SET_CONFIG_FILE ".nnchat" #define SET_DIR_SEPARATOR "/" #define SET_DELAY (5) #endif #define SET_PROFILE_PREFIX "http://www.newbienudes.com/profile/%s/" #define SET_NICK_SEPARATOR ':' #define SET_MAX_HISTORY (16) // Command history length #define SET_KEEPALIVE (15*60) // Ping/keepalive period in seconds /* Options */ int optPort = 8005, optProxyPort = 1080, optProxyType = NN_PROXY_NONE; int optUserColor = 0x000000; char *optServer = "chat.newbienudes.com", *optProxyServer = NULL, *optUserName = NULL, *optUserNameCmd = NULL, *optUserNameEnc = NULL, *optPassword = NULL, *optPasswordCmd = NULL, *optLogFilename = NULL, *optSite = "NN", *optNickSepStr = NULL; char optNickSep; BOOL optDaemon = FALSE; FILE *optLogFile = NULL; BOOL setIgnoreMode = FALSE; BOOL optDebug = FALSE; BOOL optLogEnable = FALSE; qlist_t *setIgnoreList = NULL, *setIdleMessages = NULL; nn_userhash_t *nnUsers = NULL; char *setConfigFile = NULL, *setBrowser = NULL; cfgitem_t *cfg = NULL; /* Logging mode flags */ enum { LOG_FILE = 1, LOG_WINDOW = 2, LOG_STAMP = 4 }; /* Arguments */ optarg_t optList[] = { { 0, '?', "help", "Show this help", OPT_NONE }, { 1, 'v', "verbose", "Be more verbose", OPT_NONE }, { 2, 'p', "port", "Connect to port", OPT_ARGREQ }, { 3, 's', "server", "Server to connect to", OPT_ARGREQ }, { 4, 'C', "color", "Initial color in RGB hex 000000", OPT_ARGREQ }, { 5, 'l', "logfile", "Log filename", OPT_ARGREQ }, { 6, 'D', "daemon", "A pseudo-daemon mode for logging", OPT_NONE }, { 7, 'f', "force-site", "Force site (default: NN)", OPT_ARGREQ }, { 8, 'd', "debug", "Enable various debug features", OPT_NONE }, {10, '4', "socks4", "SOCKS4 proxy server", OPT_ARGREQ }, {11, 'A', "socks4a", "SOCKS4A proxy server", OPT_ARGREQ }, {12, 'P', "proxy-port", "Proxy port (default: 1080)", OPT_ARGREQ }, }; const int optListN = (sizeof(optList) / sizeof(optList[0])); void argShowHelp(void) { th_print_banner(stdout, th_prog_name, "[options] <username> <password>"); th_args_help(stdout, optList, optListN); } BOOL argHandleOpt(const int optN, char *optArg, char *currArg) { switch (optN) { case 0: argShowHelp(); exit(0); break; case 1: th_verbosityLevel++; break; case 2: optPort = atoi(optArg); break; case 3: optServer = optArg; break; case 4: if ((optUserColor = th_get_hex_triplet(optArg)) < 0) { THERR("Invalid color argument '%s', should be a RGB hex triplet '000000'.\n", optArg); return FALSE; } THMSG(1, "Using color #%06x\n", optUserColor); break; case 5: optLogFilename = optArg; optLogEnable = TRUE; break; case 7: optSite = optArg; break; case 6: optDaemon = TRUE; THMSG(1, "Running in pseudo-daemon mode.\n"); break; case 8: optDebug = TRUE; THMSG(1, "Debug mode enabled.\n"); break; case 10: optProxyServer = optArg; optProxyType = NN_PROXY_SOCKS4; break; case 11: optProxyServer = optArg; optProxyType = NN_PROXY_SOCKS4A; break; case 12: optPort = atoi(optArg); break; default: THERR("Unknown option '%s'.\n", currArg); return FALSE; } return TRUE; } BOOL argHandleFile(char *currArg) { if (!optUserNameCmd) optUserNameCmd = currArg; else if (!optPasswordCmd) optPasswordCmd = currArg; else { THERR("Username '%s' already specified on commandline!\n", optUserNameCmd); return FALSE; } return TRUE; } int printFile(FILE *outFile, const char *fmt) { const char *s = fmt; while (*s) { if (*s == '½') { s++; if (*s == '½') { fputc((unsigned char) *s, outFile); s++; } else { while (*s && isdigit((int) *s)) s++; if (*s != '½') return -1; s++; } } else { if ((unsigned char) *s == 255) fputc(' ', outFile); else fputc((unsigned char) *s, outFile); s++; } } return 0; } void printMsgV(nn_window_t *win, int flags, const char *fmt, va_list ap) { char tmpStr[128], *buf; str_get_timestamp(tmpStr, sizeof(tmpStr), "½17½[½11½%H:%M:%S½17½]½0½ "); buf = th_strdup_vprintf(fmt, ap); if (optLogFile && (flags & LOG_FILE)) { if (flags & LOG_STAMP) printFile(optLogFile, tmpStr); printFile(optLogFile, buf); fflush(optLogFile); } if (!optDaemon && (flags & LOG_WINDOW)) { nn_window_t *tmp = (win != NULL) ? win : nnwin_main_window(); if (flags & LOG_STAMP) nnwin_print(tmp, tmpStr); nnwin_print(tmp, buf); } th_free(buf); } void printMsg(nn_window_t *win, const char *fmt, ...) { va_list ap; va_start(ap, fmt); printMsgV(win, LOG_STAMP | LOG_WINDOW | LOG_FILE, fmt, ap); va_end(ap); } void printMsgF(nn_window_t *win, int flags, const char *fmt, ...) { va_list ap; va_start(ap, fmt); printMsgV(win, flags | LOG_STAMP, fmt, ap); va_end(ap); } void printMsgQ(nn_window_t *win, const char *fmt, ...) { va_list ap; va_start(ap, fmt); printMsgV(win, LOG_STAMP | LOG_WINDOW, fmt, ap); va_end(ap); } char *errorMessages = NULL; void errorMsgV(const char *fmt, va_list ap) { char *tmp = th_strdup_vprintf(fmt, ap); printMsg(NULL, "%s", tmp); if (errorMessages != NULL) { char *tmp2 = th_strdup_printf("%s%s", errorMessages, tmp); th_free(errorMessages); th_free(tmp); errorMessages = tmp2; } else errorMessages = tmp; } void errorMsg(const char *fmt, ...) { va_list ap; va_start(ap, fmt); errorMsgV(fmt, ap); va_end(ap); } void errorFunc(struct _nn_conn_t *conn, const char *fmt, va_list ap) { (void) conn; errorMsgV(fmt, ap); } void messageFunc(struct _nn_conn_t *conn, const char *fmt, va_list ap) { (void) conn; printMsgV(NULL, LOG_STAMP | LOG_WINDOW | LOG_FILE, fmt, ap); } BOOL checkIgnoreList(const char *name) { qlist_t *node = setIgnoreList; while (node != NULL) { if (th_strcasecmp(name, (char *) node->data) == 0) return TRUE; node = node->next; } return FALSE; } int nnproto_parse_user(nn_conn_t *conn) { BOOL isMine, isIgnored = FALSE; char *name, *msg, *t; // Find start of the message name = conn->ptr; t = nn_conn_buf_strstr(conn, "</USER>"); if (!t) return 1; *t = 0; // Find end of the message t = nn_conn_buf_strstr(conn, "<MESSAGE>"); if (!t) return 2; msg = conn->ptr; t = nn_conn_buf_strstr(conn, "</MESSAGE>"); if (!t) return 3; *t = 0; // Decode message string msg = nn_decode_str1(msg); if (!msg) { errorMsg("Decode/malloc failure @ nnproto_parse_user()\n"); return -1; } // Decode username name = nn_decode_str1(name); if (!name) { errorMsg("Decode/malloc failure @ nnproto_parse_user()\n"); th_free(msg); return -2; } /* Check if the username is on our ignore list and * that it is not our OWN username! */ isMine = strcmp(name, optUserName) == 0; isIgnored = setIgnoreMode && !isMine && checkIgnoreList(name); // Is it a special control message? if (*msg == '/') { // Ignore room join/leave messages if (!optDebug && (strstr(msg, "left the room") || strstr(msg, "joined the room from"))) goto done; t = nn_strip_tags(msg + 1); if (!strncmp(t, "BPRV ", 5)) { char *in_name, *tmp, *in_msg, *h; nn_window_t *win; h = nn_decode_str2(t + 1); // Check type of if ((isMine = strncmp(t, "BPRV from ", 10)) == 0) in_name = nn_decode_str2(t + 10); else in_name = nn_decode_str2(t + 8); for (tmp = in_name; *tmp && *tmp != ':'; tmp++); if (tmp[0] != 0 && tmp[1] == ' ') in_msg = tmp + 2; else in_msg = ""; *tmp = 0; isIgnored = setIgnoreMode && checkIgnoreList(in_name); win = nnwin_find(in_name); if (win != NULL) { printMsgF(win, isIgnored ? 0 : LOG_WINDOW, "½5½<½%d½%s½5½>½0½ %s\n", isMine ? 14 : 15, isMine ? optUserName : in_name, in_msg); printMsgF(NULL, LOG_FILE, "½11½%s½0½\n", h); } else { printMsgF(NULL, isIgnored ? LOG_FILE : (LOG_WINDOW | LOG_FILE), "½11½%s½0½\n", h); } th_free(in_name); th_free(h); } else { // It's an action (/me) char *h = nn_decode_str2(t); printMsgF(NULL, isIgnored ? LOG_FILE : (LOG_WINDOW | LOG_FILE), "½9½* %s½0½\n", h); th_free(h); } th_free(t); } else { // It's a normal message char *h; t = nn_strip_tags(msg); h = nn_decode_str2(t); printMsgF(NULL, isIgnored ? LOG_FILE : (LOG_WINDOW | LOG_FILE), "½5½<½%d½%s½5½>½0½ %s\n", isMine ? 14 : 15, name, h); th_free(h); th_free(t); } done: th_free(msg); th_free(name); return 0; } int nnproto_parse_login(nn_conn_t *conn) { char tmpStr[256]; str_get_timestamp(tmpStr, sizeof(tmpStr), "%c"); if (!nn_conn_buf_strcmp(conn, "FAILURE>")) { nn_conn_buf_strstr(conn, "</LOGIN_FAILURE>"); nn_conn_buf_strstr(conn, "</USER>"); printMsg(NULL, "½1½Login failure½0½ - ½3½%s½0½\n", tmpStr); return -2; } else if (!nn_conn_buf_strcmp(conn, "SUCCESS>")) { nn_conn_buf_strstr(conn, "</LOGIN_SUCCESS>"); nn_conn_buf_strstr(conn, "</USER>"); printMsg(NULL, "½2½Login success½0½ - ½3½%s½0½\n", tmpStr); nn_conn_send_msg(conn, optUserNameEnc, "%2FRequestUserList"); return 0; } else return 1; } int nnproto_parse_add_user(nn_conn_t *conn) { char *p, *s, *str = conn->ptr; nn_window_t *win; s = nn_conn_buf_strstr(conn, "</ADD_USER>"); if (!s) return 1; *s = 0; p = nn_dbldecode_str(str); if (!p) { errorMsg("Decode/malloc failure @ nnproto_parse_add_user()\n"); return -1; } win = nnwin_find(p); nn_userhash_insert(nnUsers, nn_username_encode(p)); printMsg(NULL, "! ½3½%s½0½ ½2½ADDED.½0½\n", p); if (win != NULL) printMsg(win, "! ½3½%s½0½ ½2½joined the chat.½0½\n", p); th_free(p); return 0; } int nnproto_parse_delete_user(nn_conn_t *conn) { char *p, *s, *str = conn->ptr; nn_window_t *win; s = nn_conn_buf_strstr(conn, "</DELETE_USER>"); if (!s) return 1; *s = 0; p = nn_dbldecode_str(str); if (!p) { errorMsg("Decode/malloc failure @ nnproto_parse_delete_user()\n"); return -1; } win = nnwin_find(p); nn_userhash_delete(nnUsers, nn_username_encode(p)); printMsg(NULL, "! ½3½%s½0½ ½1½DELETED.½0½\n", p); if (win != NULL) printMsg(win, "! ½3½%s½0½ ½1½left the chat.½0½\n", p); th_free(p); return 0; } int nnproto_parse_num_clients(nn_conn_t *conn) { nn_conn_buf_strstr(conn, "</NUMCLIENTS>"); return 0; } int nnproto_parse_boot(nn_conn_t *conn) { (void) conn; errorMsg("Booted by server.\n"); return -1; } typedef struct { char *name; size_t len; int (*handler)(nn_conn_t *); } nn_protocolcmd_t; static nn_protocolcmd_t protoCmds[] = { { "<USER>", 0, nnproto_parse_user }, { "<LOGIN_", 0, nnproto_parse_login }, { "<DELETE_USER>", 0, nnproto_parse_delete_user }, { "<ADD_USER>", 0, nnproto_parse_add_user }, { "<NUMCLIENTS>", 0, nnproto_parse_num_clients }, { "<BOOT />", 0, nnproto_parse_boot }, }; static const int nprotoCmds = sizeof(protoCmds) / sizeof(protoCmds[0]); int nn_parse_protocol(nn_conn_t *conn) { static BOOL protoCmdsInit = FALSE; int i; if (!protoCmdsInit) { for (i = 0; i < nprotoCmds; i++) protoCmds[i].len = strlen(protoCmds[i].name); protoCmdsInit = TRUE; } for (i = 0; i < nprotoCmds; i++) { if (!nn_conn_buf_strncmp(conn, protoCmds[i].name, protoCmds[i].len)) return protoCmds[i].handler(conn); } if (optDebug) { printMsg(NULL, "Unknown protocmd: \"%s\"\n", conn->ptr); return 0; } else return 1; } int nn_open_uri(const char *uri) { #ifdef __WIN32 HINSTANCE status; status = ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOWNA); if (status <= (HINSTANCE) 32) { printMsgQ(currWin, "Could not launch default web browser: %d\n", status); } #else int status; int fds[2]; pid_t pid; if (pipe(fds) == -1) { int ret = errno; printMsgQ(currWin, "Could not open process communication pipe! (%d, %s)\n", ret, strerror(ret)); return 0; } if ((pid = fork()) < 0) { printMsgQ(currWin, "Could not create sub-process!\n"); } else if (pid == 0) { dup2(fds[1], STDOUT_FILENO); dup2(fds[0], STDERR_FILENO); char *url = th_strdup_printf("openurl(%s,new-tab)", uri); execlp(setBrowser, setBrowser, "-remote", url, (void *)NULL); th_free(url); _exit(errno); } wait(&status); #endif return 0; } int nncmd_open_profile(nn_conn_t *conn, char *name) { char *enc_name = nn_encode_str1(name); char *uri = th_strdup_printf(SET_PROFILE_PREFIX, name); (void) conn; printMsg(currWin, "Opening profile for: '%s'\n", name); nn_open_uri(uri); th_free(uri); th_free(enc_name); return 0; } int nncmd_ignore(nn_conn_t *conn, char *name) { (void) conn; if (name[0]) { // Add or remove someone to/from ignore qlist_t *user = th_llist_find_func(setIgnoreList, name, str_compare); if (user != NULL) { printMsgQ(currWin, "Removed user '%s' from ignore.\n", name); th_llist_delete_node(&setIgnoreList, user); } else { printMsgQ(currWin, "Now ignoring '%s'.\n", name); th_llist_append(&setIgnoreList, th_strdup(name)); } } else { // Just list whomever is in ignore now qlist_t *user = setIgnoreList; size_t nuser = th_llist_length(setIgnoreList); char *result = th_strdup_printf("Users ignored (%d): ", nuser); while (user != NULL) { if (user->data != NULL) { th_pstr_printf(&result, "%s'%s'", result, (char *) user->data); if (--nuser > 0) th_pstr_printf(&result, "%s, ", result); } user = user->next; } printMsgQ(currWin, "%s\n", result); th_free(result); } return 0; } int nncmd_set_color(nn_conn_t *conn, char *arg) { int val; (void) conn; if ((val = th_get_hex_triplet(arg)) < 0) { printMsgQ(currWin, "Invalid color value '%s'\n", arg); return 1; } optUserColor = val; printMsgQ(currWin, "Setting color to #%06x\n", optUserColor); nn_conn_send_msg_v(conn, optUserNameEnc, "%%2FSetFontColor%%20%%2Dcolor%%20%06X", optUserColor); return 0; } int nncmd_open_query(nn_conn_t *conn, char *name) { (void) conn; if (name[0]) { nn_user_t *user = nn_userhash_find(nnUsers, nn_username_encode(name)); if (user != NULL) { name = nn_username_decode(th_strdup(user->name)); printMsgQ(currWin, "Opening PRV query for '%s'.\n", name); if (nnwin_open(name, TRUE)) printMsgQ(currWin, "In PRV query with '%s'.\n", name); th_free(name); return 0; } else { printMsgQ(currWin, "Could not find username '%s'.\n", name); return 1; } } else { printMsgQ(currWin, "Usage: /query username\n" "To close a PRV query, use /close [username]\n" "/close without username will close the current PRV window, if any.\n"); return 1; } } int nncmd_close_query(nn_conn_t *conn, char *name) { (void) conn; if (name[0]) { nn_window_t *win = nnwin_find(name); if (win != NULL) { nnwin_close(win); printMsgQ(currWin, "Closed PRV query to '%s'.\n", name); } else { printMsgQ(currWin, "No PRV query by name '%s'.\n", name); } } else { if (currWin != nnwin_main_window()) { nnwin_close(currWin); currWin = nnwin_main_window(); } else { printMsgQ(currWin, "Usage: /close [username]\n" "/close without username will close the current PRV window. if any.\n"); } } return 0; } int nncmd_window_info(nn_conn_t *conn, char *arg) { (void) conn; if (arg[0]) { int val = atoi(arg); nn_window_t *win = nnwin_get(val); if (win != NULL) currWin = win; else { printMsgQ(currWin, "Invalid window number '%s'\n", arg); return 1; } } else { printMsgQ(currWin, "Window : #%d\n", currWin->num); printMsgQ(currWin, "ID : %s\n", currWin->id); } return 0; } int nncmd_list_all_users(nn_conn_t *conn, char *buf) { (void) buf; // Alias /listallusers return nn_conn_send_msg(conn, optUserNameEnc, "%2Flistallusers"); } #define NAME_NUM_PER_LINE 3 #define NAME_ENTRY_SIZE 64 #define NAME_ENTRY_WIDTH 22 typedef struct { char buf[(NAME_NUM_PER_LINE * NAME_ENTRY_SIZE) + 16]; size_t offs; int i, total; } nncmd_namedata_t; static int nncmd_names_do(const nn_user_t *user, void *data) { nncmd_namedata_t *d = data; char name[NAME_ENTRY_SIZE]; size_t len; snprintf(name, sizeof(name), "[½3½%-20s½0½] ", user->name); d->total++; if (d->i >= NAME_NUM_PER_LINE) { printMsgQ(currWin, "%s\n", d->buf); d->i = 0; d->offs = 0; } len = strlen(name); memcpy(d->buf + d->offs, name, len + 1); d->offs += len; d->i++; return 0; } int nncmd_names(nn_conn_t *conn, char *arg) { nncmd_namedata_t data; (void) conn; (void) arg; printMsgQ(currWin, "Users:\n"); data.i = data.total = 0; data.offs = 0; nn_userhash_foreach(nnUsers, nncmd_names_do, &data); if (data.i > 0) { printMsgQ(currWin, "%s\n", data.buf); } printMsgQ(currWin, "%d users total.\n", data.total); return 0; } int nncmd_save_config(nn_conn_t *conn, char *buf) { (void) conn; (void) buf; FILE *cfgfile = fopen(setConfigFile, "w"); if (cfgfile == NULL) { printMsgQ(currWin, "Could not create configuration to file '%s': %s\n", setConfigFile, strerror(errno)); return 0; } printMsgQ(currWin, "Configuration saved in file '%s', res=%d\n", setConfigFile, th_cfg_write(cfgfile, setConfigFile, cfg)); fclose(cfgfile); return 0; } enum { CMDARG_NONE, CMDARG_STRING, CMDARG_OPTIONAL, CMDARG_NICK, }; typedef struct { char *name; int flags; size_t len; int (*handler)(nn_conn_t *, char *buf); } nn_usercmd_t; static nn_usercmd_t userCmdsTable[] = { // Server side commands, we just implement completion { "/me", CMDARG_STRING, 0, NULL }, { "/status", CMDARG_STRING, 0, NULL }, { "/list", CMDARG_NONE, 0, nncmd_list_all_users }, // List internal username list { "/who", CMDARG_NONE, 0, nncmd_names }, { "/names", CMDARG_NONE, 0, nncmd_names }, { "/w", CMDARG_NICK, 0, nncmd_open_profile }, { "/profile", CMDARG_NICK, 0, nncmd_open_profile }, { "/query", CMDARG_NICK, 0, nncmd_open_query }, { "/close", CMDARG_OPTIONAL, 0, nncmd_close_query }, { "/win", CMDARG_OPTIONAL, 0, nncmd_window_info }, { "/ignore", CMDARG_OPTIONAL, 0, nncmd_ignore }, { "/color", CMDARG_STRING, 0, nncmd_set_color }, { "/save", CMDARG_NONE, 0, nncmd_save_config }, }; static qlist_t *userCmds = NULL; void nn_usercmd_init() { size_t i; for (i = 0; i < sizeof(userCmdsTable) / sizeof(userCmdsTable[0]); i++) { th_llist_append(&userCmds, &userCmdsTable[i]); userCmdsTable[i].len = strlen(userCmdsTable[i].name); } } int nn_handle_command(nn_conn_t *conn, char *buf) { qlist_t *curr; for (curr = userCmds; curr != NULL; curr = curr->next) { nn_usercmd_t *cmd = curr->data; if (!th_strncasecmp(buf, cmd->name, cmd->len)) { char *nbuf; if (buf[cmd->len] != 0 && !th_isspace(buf[cmd->len])) continue; nbuf = str_trim_left(buf + cmd->len); switch (cmd->flags) { case CMDARG_NICK: case CMDARG_STRING: if (!nbuf[0]) { printMsgQ(currWin, "Command %s requires an argument.\n", cmd->name); return 1; } break; case CMDARG_NONE: if (nbuf[0]) { printMsgQ(currWin, "Command %s does not take arguments.\n", cmd->name); return 1; } break; case CMDARG_OPTIONAL: break; } // Check if there is a handler function if (cmd->handler) { // Internal commands have a handler return cmd->handler(conn, nbuf); } else { // Server-side commands are just pass-through here char *tmp = nn_dblencode_str(buf); BOOL result; if (tmp == NULL) return -2; result = nn_conn_send_msg(conn, optUserNameEnc, tmp); th_free(tmp); return result ? 0 : -1; } } } printMsgQ(currWin, "Unknown command: %s\n", buf); return 1; } static nn_usercmd_t *nn_usercmd_match_do(qlist_t *list, const char *pattern, size_t len) { qlist_t *node; for (node = list; node != NULL; node = node->next) { nn_usercmd_t *cmd = node->data; if (len <= strlen(cmd->name) && th_strncasecmp(cmd->name, pattern, len) == 0) return cmd; } return NULL; } nn_usercmd_t *nn_usercmd_match(qlist_t *list, const char *pattern, const char *current, BOOL again) { nn_usercmd_t *curr; size_t len; if (list == NULL || pattern == NULL) return NULL; len = strlen(pattern); if (current != NULL) { qlist_t *node; for (node = list; node != NULL; node = node->next) { curr = node->data; if (th_strcasecmp(curr->name, current) == 0) { if (again) return curr; if ((curr = nn_usercmd_match_do(node->next, pattern, len)) != NULL) return curr; } } } if ((curr = nn_usercmd_match_do(list, pattern, len)) != NULL) return curr; return NULL; } int nn_handle_input(nn_conn_t *conn, char *buf, size_t bufLen) { BOOL result; char *tmp; // Trim right side while (bufLen > 0 && th_isspace(buf[bufLen - 1])) buf[--bufLen] = 0; if (buf[0] == 0) return 1; // Decode completed usernames nn_username_decode(buf); // Check for commands if (buf[0] == '/') return nn_handle_command(conn, buf); // If current window is not the main room window, send private if (currWin != nnwin_main_window()) { if (currWin->id != NULL) { char *msg = th_strdup_printf("/prv -to %s -msg %s", currWin->id, buf); if (msg == NULL) return -3; tmp = nn_dblencode_str(msg); if (tmp == NULL) { th_free(msg); return -2; } result = nn_conn_send_msg(conn, optUserNameEnc, tmp); th_free(tmp); th_free(msg); return result ? 0 : -1; } else { printMsgQ(NULL, "No target set, exiting prv mode.\n"); return 1; } } // Send double-encoded message tmp = nn_dblencode_str(buf); if (tmp == NULL) return -2; result = nn_conn_send_msg(conn, optUserNameEnc, tmp); th_free(tmp); return result ? 0 : -1; } static void nn_tabcomplete_replace(nn_editbuf_t *buf, size_t *pi, const size_t startPos, const size_t endPos, char *c) { size_t i; for (i = startPos; i <= endPos; i++) nn_editbuf_delete(buf, startPos); for (i = startPos; *c; i++, c++) nn_editbuf_insert(buf, i, *c); *pi = i; } static void nn_tabcomplete_finish(nn_editbuf_t *buf, char **previous, const size_t startPos, const char *name) { nn_editbuf_setpos(buf, startPos + 1 + strlen(name)); th_free(*previous); *previous = th_strdup(name); } BOOL nn_tabcomplete_buffer(nn_editbuf_t *buf) { static char *previous = NULL, *pattern = NULL; char *str = buf->data; BOOL again = FALSE, hasSeparator = FALSE, hasSpace, newPattern = FALSE, isCommand; size_t endPos, startPos = buf->pos; // previous word if (startPos >= 2 && str[startPos - 1] == ' ' && str[startPos - 2] != ' ') { startPos -= 2; endPos = startPos; while (startPos > 0 && str[startPos - 1] != ' ') startPos--; } else // middle of a word, new pattern if (startPos < buf->len && str[startPos] != ' ') { endPos = startPos; while (startPos > 0 && str[startPos - 1] != ' ') startPos--; while (endPos < buf->len - 1 && str[endPos + 1] != ' ') endPos++; newPattern = TRUE; } else // previous word, new pattern if (startPos >= 1 && str[startPos - 1] != ' ') { startPos -= 1; endPos = startPos; while (startPos > 0 && str[startPos - 1] != ' ') startPos--; newPattern = TRUE; } else return FALSE; // Check if this is a command completion isCommand = (str[0] == '/' && startPos == 0); if (!isCommand && str[endPos] == optNickSep) { endPos--; if (startPos > 0) return FALSE; hasSeparator = TRUE; } hasSpace = (buf->pos > 0 && str[buf->pos - 1] == ' ') || (buf->pos <= buf->len && str[buf->pos] == ' '); if (newPattern) { // Get pattern, check if it matches previous pattern and set 'again' flag char *npattern = nn_editbuf_get_string(buf, startPos, endPos); if (pattern && npattern && th_strcasecmp(npattern, pattern) == 0) again = TRUE; th_free(pattern); pattern = npattern; if (!again) { th_free(previous); previous = NULL; } } if (!pattern) return FALSE; if (isCommand) { nn_usercmd_t *cmd = nn_usercmd_match(userCmds, pattern, previous, again); if (cmd) { size_t i; nn_tabcomplete_replace(buf, &i, startPos, endPos, cmd->name); if (!hasSpace) nn_editbuf_insert(buf, i++, ' '); nn_tabcomplete_finish(buf, &previous, startPos, cmd->name); return TRUE; } } else { nn_user_t *user = nn_userhash_match(nnUsers, pattern, previous, again); if (user) { size_t i; nn_tabcomplete_replace(buf, &i, startPos, endPos, user->name); if (!hasSeparator && startPos == 0) { nn_editbuf_insert(buf, i++, optNickSep); startPos++; } else if (hasSeparator) startPos++; if (!hasSpace) nn_editbuf_insert(buf, i++, ' '); nn_tabcomplete_finish(buf, &previous, startPos, user->name); return TRUE; } } return FALSE; } #define VPUTCH(CH) th_vputch(&bufData, &bufSize, &bufLen, CH) #define VPUTS(STR) th_vputs(&bufData, &bufSize, &bufLen, STR) char *logParseFilename(const char *fmt, int id) { size_t bufSize = strlen(fmt) + TH_BUFGROW, bufLen = 0; char *bufData = th_malloc(bufSize); char tmpBuf[32]; const char *s = fmt; while (*s) { if (*s == '%') { s++; switch (*s) { case 'i': snprintf(tmpBuf, sizeof(tmpBuf), "%05d", id); VPUTS(tmpBuf); break; case 'd': snprintf(tmpBuf, sizeof(tmpBuf), "%d", id); VPUTS(tmpBuf); break; case '%': VPUTCH('%'); break; } s++; } else { VPUTCH(*s); s++; } } VPUTCH(0); return bufData; } BOOL logFileOpen(void) { char *filename; if (optLogFilename == NULL || !optLogEnable) return FALSE; filename = logParseFilename(optLogFilename, optPort); if ((optLogFile = fopen(filename, "a")) == NULL) { errorMsg("Could not open logfile '%s' for appending!\n", filename); th_free(filename); return FALSE; } th_free(filename); return TRUE; } void logFileClose(void) { if (optLogFile) { fclose(optLogFile); optLogFile = NULL; } } int main(int argc, char *argv[]) { nn_conn_t *conn = NULL; int updateCount = 0; BOOL argsOK, isError = FALSE, exitProg = FALSE, colorSet = FALSE, insertMode = TRUE; time_t prevKeepAlive; char *tmpStr; nn_editbuf_t *editBuf = nn_editbuf_new(NN_TMPBUF_SIZE); nn_editbuf_t *histBuf[SET_MAX_HISTORY+2]; int histPos = 0, histMax = 0, index; cfgitem_t *tmpcfg; char *setHomeDir = NULL; memset(histBuf, 0, sizeof(histBuf)); // Initialize th_init("NNChat", "Newbie Nudes chat client", NN_VERSION, "Written and designed by Anonymous Finnish Guy (C) 2008-2012", "This software is freeware, use and distribute as you wish."); th_verbosityLevel = 0; // Read configuration file tmpcfg = NULL; th_cfg_add_comment(&tmpcfg, "General settings"); th_cfg_add_string(&tmpcfg, "username", &optUserName, NULL); th_cfg_add_string(&tmpcfg, "password", &optPassword, NULL); th_cfg_add_comment(&tmpcfg, "Default color as a hex-triplet"); th_cfg_add_hexvalue(&tmpcfg, "color", &optUserColor, optUserColor); th_cfg_add_comment(&tmpcfg, "Default setting of ignore mode"); th_cfg_add_bool(&tmpcfg, "ignore", &setIgnoreMode, setIgnoreMode); th_cfg_add_comment(&tmpcfg, "People to be ignored when ignore mode is enabled"); th_cfg_add_string_list(&tmpcfg, "ignore_list", &setIgnoreList); th_cfg_add_comment(&tmpcfg, "Random messages for idle timeout protection. If none are set, plain '.' is used."); th_cfg_add_string_list(&tmpcfg, "idle_messages", &setIdleMessages); th_cfg_add_comment(&tmpcfg, "Character used as nickname auto-completion separator (default is ':')"); th_cfg_add_string(&tmpcfg, "nick_separator", &optNickSepStr, NULL); th_cfg_add_section(&cfg, "general", tmpcfg); tmpcfg = NULL; th_cfg_add_comment(&tmpcfg, "Chat server hostname or IP address"); th_cfg_add_string(&tmpcfg, "host", &optServer, optServer); th_cfg_add_comment(&tmpcfg, "Default port to connect to (8005 = main room, 8003 = passion pit)"); th_cfg_add_int(&tmpcfg, "port", &optPort, optPort); th_cfg_add_section(&cfg, "server", tmpcfg); tmpcfg = NULL; th_cfg_add_comment(&tmpcfg, "Proxy server type (0 = none, 1 = SOCKS 4, 2 = SOCKS 4a)"); th_cfg_add_int(&tmpcfg, "type", &optProxyType, optProxyType); th_cfg_add_comment(&tmpcfg, "Proxy server host name"); th_cfg_add_string(&tmpcfg, "host", &optProxyServer, optProxyServer); th_cfg_add_comment(&tmpcfg, "Proxy port, 1080 is the standard SOCKS port"); th_cfg_add_int(&tmpcfg, "port", &optProxyPort, optProxyPort); th_cfg_add_section(&cfg, "proxy", tmpcfg); tmpcfg = NULL; th_cfg_add_comment(&tmpcfg, "Enable logging"); th_cfg_add_bool(&tmpcfg, "enable", &optLogEnable, optLogEnable); th_cfg_add_comment(&tmpcfg, "Log filename format"); th_cfg_add_string(&tmpcfg, "filename", &optLogFilename, optLogFilename); th_cfg_add_section(&cfg, "logging", tmpcfg); #ifdef __WIN32 { char tmpPath[MAX_PATH]; if (SHGetFolderPath(NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, 0, tmpPath) == S_OK) setHomeDir = th_strdup(tmpPath); CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE); } #else setHomeDir = th_strdup(getenv("HOME")); #endif if (setHomeDir != NULL) { FILE *cfgfile; setConfigFile = th_strdup_printf("%s" SET_DIR_SEPARATOR "%s", setHomeDir, SET_CONFIG_FILE); THMSG(0, "Reading configuration from '%s'.\n", setConfigFile); if ((cfgfile = fopen(setConfigFile, "r")) != NULL) { th_cfg_read(cfgfile, setConfigFile, cfg); fclose(cfgfile); } } if (optNickSepStr) optNickSep = optNickSepStr[0]; else optNickSep = SET_NICK_SEPARATOR; setBrowser = getenv("BROWSER"); if (setBrowser == NULL) setBrowser = "firefox"; // Parse command line arguments argsOK = th_args_process(argc, argv, optList, optListN, argHandleOpt, argHandleFile, FALSE); if (optUserNameCmd != NULL) { optUserName = optUserNameCmd; optPassword = optPasswordCmd; } if (!argsOK) return -2; // Allocate userhash if ((nnUsers = nn_userhash_new()) == NULL) { THERR("Could not allocate userhash. Fatal error.\n"); return -105; } // If no idle messages are set, add default if (setIdleMessages == NULL) { th_llist_append(&setIdleMessages, th_strdup(".")); } // Open logfile logFileOpen(); // Initialize network if (!nn_network_init()) { THERR("Could not initialize network subsystem.\n"); goto err_exit; } // Initialize curses windowing if (!optDaemon && !nnwin_init(SET_DELAY)) goto err_exit; if (cursesInit) { nnwin_update(TRUE, NULL, optUserName, optUserColor); } // Check if we have username and password if (cursesInit && (optUserName == NULL || optPassword == NULL)) { optUserName = nnwin_prompt_requester("You can avoid this prompt by issuing '/save' after logging in.\nNN username: ", FALSE); optPassword = nnwin_prompt_requester("NN password: ", TRUE); } if (optUserName == NULL || optPassword == NULL) { errorMsg("Username and/or password not specified.\n"); goto err_exit; } // Create a connection conn = nn_conn_new(errorFunc, messageFunc); if (conn == NULL) { errorMsg("Could not create connection structure.\n"); goto err_exit; } // Are we using a proxy? if (optProxyType != NN_PROXY_NONE && optProxyServer != NULL) { if (nn_conn_set_proxy(conn, optProxyType, optProxyPort, optProxyServer) != 0) { errorMsg("Error setting proxy information.\n"); goto err_exit; } } // Okay, try to resolve the hostname conn->host = th_strdup(optServer); conn->hst = nn_resolve_host(conn, optServer); if (conn->hst == NULL) goto err_exit; #ifdef FINAL_BUILD /* To emulate the official client, we first make a request for * policy file, even though we don't use it for anything... */ if (nn_conn_open(conn, 843, NULL) != 0) { errorMsg("Policy file request connection setup failed!\n"); goto err_exit; } tmpStr = "<policy-file-request/>"; if (nn_conn_send_buf(conn, tmpStr, strlen(tmpStr) + 1) == FALSE) { errorMsg("Failed to send policy file request.\n"); goto err_exit; } else { int cres = nn_conn_pull(conn); if (cres == 0) { printMsg(currWin, "Probe got: %s\n", conn->buf); } else { printMsg(currWin, "Could not get policy probe.\n"); } } nn_conn_close(conn); #endif // Okay, now do the proper connection ... if (nn_conn_open(conn, optPort, NULL) != 0) { errorMsg("Main connection setup failed!\n"); goto err_exit; } // Send login command optUserNameEnc = nn_dblencode_str(optUserName); tmpStr = nn_dblencode_str(optSite); nn_conn_send_msg_v(conn, optUserNameEnc, "%%2Flogin%%20%%2Dsite%%20%s%%20%%2Dpassword%%20%s", tmpStr, optPassword); th_free(tmpStr); // Initialize user commands nn_usercmd_init(); // Initialize random numbers prevKeepAlive = time(NULL); srandom((int) prevKeepAlive); if (cursesInit) { // Initialize rest of interactive UI code nn_editbuf_clear(editBuf); // First update of screen nnwin_update(TRUE, editBuf, optUserName, optUserColor); printMsg(NULL, "%s v%s - %s\n", th_prog_name, th_prog_version, th_prog_fullname); printMsg(NULL, "%s\n", th_prog_author); printMsg(NULL, "%s\n", th_prog_license); } // Enter mainloop nn_conn_reset(conn); while (!isError && !exitProg) { int retries = 3, cres; packet_retry: cres = nn_conn_pull(conn); if (cres == 0) { while (conn->ptr < conn->in_ptr && *(conn->in_ptr - 1) == 0 && retries > 0 && !isError) { // nn_conn_dump_buffer(stderr, conn); int result = nn_parse_protocol(conn); if (result == 0) { nn_conn_buf_skip(conn, 1); } else if (result > 0) { // Retry if possible if (--retries > 0) goto packet_retry; // Couldn't handle the message for some reason printMsg(currWin, "Could not handle: %s\n", conn->ptr); nn_conn_buf_skip(conn, strlen(conn->ptr) + 1); } else isError = TRUE; } } else if (cres < 0 || !nn_conn_check(conn)) isError = TRUE; // Handle user input if (cursesInit) { int c, cnt = 0; BOOL update = FALSE; // Handle several buffered keypresses at once do { c = wgetch(stdscr); /* Handle various problematic cases where terminal * keycodes do not get properly translated by curses */ if (c == 0x1b) { // ^[O c = wgetch(stdscr); if (c == 'O') { c = wgetch(stdscr); switch (c) { case 'd': c = 0x204; break; case 'c': c = 0x206; break; default: if (optDebug) printMsg(currWin, "Unhandled ESC-O key sequence 0x%02x\n", c); break; } } // ^[[ else if (c == '[') { c = wgetch(stdscr); switch (c) { case 0x31: c = wgetch(stdscr); if (c >= 0x31 && c <= 0x39) c = KEY_F(c - 0x30); else c = ERR; break; case 0x32: c = KEY_IC; break; case 0x33: c = KEY_DC; break; case 0x35: c = KEY_PPAGE; break; case 0x36: c = KEY_NPAGE; break; case 0x37: c = KEY_HOME; break; case 0x38: c = KEY_END; break; default: if (optDebug) printMsg(currWin, "Unhandled ESC-[*~ key sequence 0x%02x\n", c); c = ERR; break; } // Get the trailing ~ if (c != ERR) wgetch(stdscr); } if (c >= 0x31 && c <= 0x39) { // Chat window switching via Meta/Esc-[1..9] nn_window_t *win = nnwin_get(c - 0x30); if (win != NULL) { currWin = win; update = TRUE; } c = ERR; } else { if (optDebug) printMsg(currWin, "Unhandled ESC key sequence 0x%02x\n", c); } } #if defined(__WIN32) && defined(PDCURSES) else if (c >= 0x198 && c <= 0x1a0) { // Chat window switching via Meta/Esc-[1..9] nn_window_t *win = nnwin_get(c - 0x198); if (win != NULL) { currWin = win; update = TRUE; } c = ERR; } #endif switch (c) { #ifdef KEY_RESIZE case KEY_RESIZE: resize_term(0, 0); erase(); timeout(SET_DELAY); nnwin_reset(); update = TRUE; break; #endif case KEY_ENTER: case '\n': case '\r': // Call the user input handler if (editBuf->len > 0) { int result; if (histMax > 0) { nn_editbuf_free(histBuf[SET_MAX_HISTORY+1]); histBuf[SET_MAX_HISTORY+1] = NULL; memmove(&histBuf[2], &histBuf[1], histMax * sizeof(histBuf[0])); } histPos = 0; histBuf[1] = nn_editbuf_copy(editBuf); if (histMax < SET_MAX_HISTORY) histMax++; result = nn_handle_input(conn, editBuf->data, editBuf->len); nn_editbuf_clear(editBuf); if (result < 0) { errorMsg("Fatal error handling user input: %s\n", editBuf->data); isError = TRUE; } else { // Update time value of last sent message for unidle timeouts prevKeepAlive = time(NULL); } } break; case KEY_UP: // Backwards in input history if (histPos == 0) { nn_editbuf_free(histBuf[0]); histBuf[0] = nn_editbuf_copy(editBuf); } if (histPos < histMax) { histPos++; nn_editbuf_free(editBuf); editBuf = nn_editbuf_copy(histBuf[histPos]); } break; case KEY_DOWN: // Forwards in input history if (histPos > 0) { histPos--; nn_editbuf_free(editBuf); editBuf = nn_editbuf_copy(histBuf[histPos]); } break; case 0x204: // ctrl+left arrow = Skip words left case 0x20b: while (editBuf->pos > 0 && isspace((int) editBuf->data[editBuf->pos - 1])) editBuf->pos--; while (editBuf->pos > 0 && !isspace((int) editBuf->data[editBuf->pos - 1])) editBuf->pos--; editBuf->dirty = TRUE; break; case 0x206: // ctrl+right arrow = Skip words right case 0x210: while (editBuf->pos < editBuf->len && isspace((int) editBuf->data[editBuf->pos])) editBuf->pos++; while (editBuf->pos < editBuf->len && !isspace((int) editBuf->data[editBuf->pos])) editBuf->pos++; editBuf->dirty = TRUE; break; case KEY_HOME: nn_editbuf_setpos(editBuf, 0); break; case KEY_END: nn_editbuf_setpos(editBuf, editBuf->len); break; case KEY_LEFT: nn_editbuf_setpos(editBuf, editBuf->pos - 1); break; case KEY_RIGHT: nn_editbuf_setpos(editBuf, editBuf->pos + 1); break; case KEY_BACKSPACE: case 0x08: case 0x7f: nn_editbuf_delete(editBuf, editBuf->pos - 1); nn_editbuf_setpos(editBuf, editBuf->pos - 1); break; case KEY_DC: // Delete character nn_editbuf_delete(editBuf, editBuf->pos); break; case KEY_IC: // Ins = Toggle insert / overwrite mode insertMode = !insertMode; break; case KEY_F(2): // F2 = Clear editbuffer nn_editbuf_clear(editBuf); break; case KEY_F(5): // F5 = Ignore mode setIgnoreMode = !setIgnoreMode; printMsgQ(currWin, "Ignore mode = %s\n", setIgnoreMode ? "ON" : "OFF"); break; #if 0 case KEY_F(8): // F8 = Debug optDebug = !optDebug; update = TRUE; break; #endif case 0x03: // ^C = quit case KEY_F(9): // F9 = Quit printMsg(currWin, "Quitting per user request (%d/0x%x).\n", c, c); exitProg = TRUE; break; case 0x09: // Tab = complete username or command nn_tabcomplete_buffer(editBuf); break; case 0x0c: // Ctrl + L update = TRUE; break; case KEY_NPAGE: case KEY_PPAGE: // Page Up / Page Down if (currWin != NULL) { int oldPos = currWin->pos, page = scrHeight - 4; currWin->pos += (c == KEY_NPAGE) ? - page : page; if (currWin->pos >= currWin->data->n - page) currWin->pos = currWin->data->n - page; if (currWin->pos < 0) currWin->pos = 0; if (oldPos != currWin->pos) update = TRUE; } break; case ERR: // Ignore break; default: if (isprint(c) || c == 0xe4 || c == 0xf6 || c == 0xc4 || c == 0xd6) { if (insertMode) nn_editbuf_insert(editBuf, editBuf->pos, c); else nn_editbuf_write(editBuf, editBuf->pos, c); nn_editbuf_setpos(editBuf, editBuf->pos + 1); } else { if (optDebug) printMsg(currWin, "Unhandled key: 0x%02x\n", c); } break; } } while (c != ERR && !exitProg && ++cnt < 10); nnwin_update(update, editBuf, optUserName, optUserColor); } // cursesInit if (++updateCount > 10) { time_t tmpTime = time(NULL); if (tmpTime - prevKeepAlive > SET_KEEPALIVE) { size_t n = ((size_t) random()) % th_llist_length(setIdleMessages); qlist_t *node = th_llist_get_nth(setIdleMessages, n); nn_conn_send_msg(conn, optUserNameEnc, node->data); prevKeepAlive = tmpTime; } if (!colorSet) { colorSet = TRUE; nn_conn_send_msg_v(conn, optUserNameEnc, "%%2FSetFontColor%%20%%2Dcolor%%20%06X", optUserColor); } nnwin_update(FALSE, editBuf, optUserName, optUserColor); updateCount = 0; } } // Shutdown err_exit: th_cfg_free(cfg); th_free(setHomeDir); th_llist_free_func(setIdleMessages, th_free); nn_userhash_free(nnUsers); nn_editbuf_free(editBuf); for (index = 0; index <= SET_MAX_HISTORY; index++) nn_editbuf_free(histBuf[index]); #ifdef __WIN32 if (errorMessages) { char *tmp = nnwin_prompt_requester("Press enter to quit.\n", FALSE); th_free(tmp); } #endif nnwin_shutdown(); #ifndef __WIN32 if (errorMessages) THERR("%s", errorMessages); #endif th_free(optUserNameEnc); nn_conn_close(conn); nn_network_close(); THMSG(1, "Connection terminated.\n"); logFileClose(); return 0; }