textclient/src/client_chat.c

   1 /*
   2  * front end for multiuser chat
   3  *
   4  * Copyright (c) 1987-2016 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "sysdep.h"
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <stdio.h>
  19 #include <fcntl.h>
  20 #include <ctype.h>
  21 #include <string.h>
  22 #include <signal.h>
  23 #include <errno.h>
  24
  25 #if TIME_WITH_SYS_TIME
  26 # include <sys/time.h>
  27 # include <time.h>
  28 #else
  29 # if HAVE_SYS_TIME_H
  30 #  include <sys/time.h>
  31 # else
  32 #  include <time.h>
  33 # endif
  34 #endif
  35
  36 #include <sys/types.h>
  37 #ifdef HAVE_SYS_SELECT_H
  38 #include <sys/select.h>
  39 #endif
  40 #include <stdarg.h>
  41 #include <libcitadel.h>
  42 #include "citadel_ipc.h"
  43 #include "client_chat.h"
  44 #include "commands.h"
  45 #include "routines.h"
  46 #include "citadel_decls.h"
  47 #include "rooms.h"
  48 #include "messages.h"
  49 #include "screen.h"
  50
  51 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  52
  53 extern char temp[];
  54 char last_paged[SIZ] = "";
  55
  56 void chatmode(CtdlIPC *ipc)
  57 {
  58         char wbuf[SIZ];
  59         char buf[SIZ];
  60         char response[SIZ];
  61         char c_user[SIZ];
  62         char c_text[SIZ];
  63         char last_user[SIZ];
  64         int send_complete_line;
  65         char ch;
  66         int a, pos;
  67         int seq = 0;
  68
  69         fd_set rfds;
  70         struct timeval tv;
  71         int retval;
  72
  73         CtdlIPC_chat_send(ipc, "RCHT enter");
  74         CtdlIPC_chat_recv(ipc, buf);
  75         if (buf[0] != '2') {
  76                 scr_printf("%s\n", &buf[4]);
  77                 return;
  78         }
  79         scr_printf("Entering chat mode (type /quit to exit)\n");
  80
  81         strcpy(buf, "");
  82         strcpy(wbuf, "");
  83         strcpy(last_user, "");
  84         color(BRIGHT_YELLOW);
  85         scr_printf("\n");
  86         scr_printf("> ");
  87         send_complete_line = 0;
  88
  89         while (1) {
  90                 scr_flush();
  91                 FD_ZERO(&rfds);
  92                 FD_SET(0, &rfds);
  93                 tv.tv_sec = 1;
  94                 tv.tv_usec = 0;
  95                 retval = select(1, &rfds, NULL, NULL, &tv);
  96
  97                 if (retval < 0) {
  98                         color(BRIGHT_WHITE);
  99                         scr_printf("Server gone Exiting chat mode\n");
 100                         scr_flush();
 101                         return;
 102                 }
 103
 104                 /* If there's data from the keyboard... */
 105                 if (FD_ISSET(0, &rfds)) {
 106                         ch = scr_getc(SCR_BLOCK);
 107                         if ((ch == 10) || (ch == 13)) {
 108                                 send_complete_line = 1;
 109                         } else if ((ch == 8) || (ch == 127)) {
 110                                 if (!IsEmptyStr(wbuf)) {
 111                                         wbuf[strlen(wbuf) - 1] = 0;
 112                                         scr_printf("%c %c", 8, 8);
 113                                 }
 114                         } else {
 115                                 scr_putc(ch);
 116                                 wbuf[strlen(wbuf) + 1] = 0;
 117                                 wbuf[strlen(wbuf)] = ch;
 118                         }
 119                 }
 120
 121                 /* if the user hit return, send the line */
 122                 if (send_complete_line) {
 123
 124                         if (!strcasecmp(wbuf, "/quit")) {
 125                                 CtdlIPC_chat_send(ipc, "RCHT exit");
 126                                 CtdlIPC_chat_recv(ipc, response);       /* don't care about the result */
 127                                 color(BRIGHT_WHITE);
 128                                 scr_printf("\rExiting chat mode\n");
 129                                 scr_flush();
 130                                 return;
 131                         }
 132
 133                         CtdlIPC_chat_send(ipc, "RCHT send");
 134                         CtdlIPC_chat_recv(ipc, response);
 135                         if (response[0] == '4') {
 136                                 CtdlIPC_chat_send(ipc, wbuf);
 137                                 CtdlIPC_chat_send(ipc, "000");
 138                         }
 139                         strcpy(wbuf, "");
 140                         send_complete_line = 0;
 141                 }
 142
 143                 /* if it's time to word wrap, send a partial line */
 144                 if (strlen(wbuf) >= (77 - strlen(fullname))) {
 145                         pos = 0;
 146                         for (a = 0; !IsEmptyStr(&wbuf[a]); ++a) {
 147                                 if (wbuf[a] == 32)
 148                                         pos = a;
 149                         }
 150                         if (pos == 0) {
 151                                 CtdlIPC_chat_send(ipc, "RCHT send");
 152                                 CtdlIPC_chat_recv(ipc, response);
 153                                 if (response[0] == '4') {
 154                                         CtdlIPC_chat_send(ipc, wbuf);
 155                                         CtdlIPC_chat_send(ipc, "000");
 156                                 }
 157                                 strcpy(wbuf, "");
 158                                 send_complete_line = 0;
 159                         } else {
 160                                 wbuf[pos] = 0;
 161                                 CtdlIPC_chat_send(ipc, "RCHT send");
 162                                 CtdlIPC_chat_recv(ipc, response);
 163                                 if (response[0] == '4') {
 164                                         CtdlIPC_chat_send(ipc, wbuf);
 165                                         CtdlIPC_chat_send(ipc, "000");
 166                                 }
 167                                 strcpy(wbuf, &wbuf[pos + 1]);
 168                         }
 169                 }
 170
 171                 /* poll for incoming chat messages */
 172                 snprintf(buf, sizeof buf, "RCHT poll|%d", seq);
 173                 CtdlIPC_chat_send(ipc, buf);
 174                 CtdlIPC_chat_recv(ipc, response);
 175
 176                 if (response[0] == '1') {
 177                         seq = extract_int(&response[4], 0);
 178                         extract_token(c_user, &response[4], 2, '|', sizeof c_user);
 179                         while (CtdlIPC_chat_recv(ipc, c_text), strcmp(c_text, "000")) {
 180                                 scr_printf("\r%79s\r", "");
 181                                 if (!strcmp(c_user, fullname)) {
 182                                         color(BRIGHT_YELLOW);
 183                                 } else if (!strcmp(c_user, ":")) {
 184                                         color(BRIGHT_RED);
 185                                 } else {
 186                                         color(BRIGHT_GREEN);
 187                                 }
 188                                 if (strcmp(c_user, last_user)) {
 189                                         snprintf(buf, sizeof buf, "%s: %s", c_user, c_text);
 190                                 } else {
 191                                         size_t i = MIN(sizeof buf - 1, strlen(c_user) + 2);
 192                                         memset(buf, ' ', i);
 193                                         safestrncpy(&buf[i], c_text, sizeof buf - i);
 194                                 }
 195                                 while (strlen(buf) < 79) {
 196                                         strcat(buf, " ");
 197                                 }
 198                                 if (strcmp(c_user, last_user)) {
 199                                         scr_printf("\r%79s\n", "");
 200                                         strcpy(last_user, c_user);
 201                                 }
 202                                 scr_printf("\r%s\n", buf);
 203                                 scr_flush();
 204                         }
 205                 }
 206                 color(BRIGHT_YELLOW);
 207                 scr_printf("\r> %s", wbuf);
 208                 scr_flush();
 209                 strcpy(buf, "");
 210         }
 211 }
 212
 213
 214 /*
 215  * send an instant message
 216  */
 217 void page_user(CtdlIPC *ipc)
 218 {
 219         char buf[SIZ], touser[SIZ], msg[SIZ];
 220         FILE *pagefp;
 221
 222         strcpy(touser, last_paged);
 223         strprompt("Page who", touser, 30);
 224
 225         /* old server -- use inline paging */
 226         if (ipc->ServInfo.paging_level == 0) {
 227                 newprompt("Message: ", msg, 69);
 228                 snprintf(buf, sizeof buf, "SEXP %s|%s", touser, msg);
 229                 CtdlIPC_chat_send(ipc, buf);
 230                 CtdlIPC_chat_recv(ipc, buf);
 231                 if (!strncmp(buf, "200", 3)) {
 232                         strcpy(last_paged, touser);
 233                 }
 234                 scr_printf("%s\n", &buf[4]);
 235                 return;
 236         }
 237         /* new server -- use extended paging */
 238         else if (ipc->ServInfo.paging_level >= 1) {
 239                 snprintf(buf, sizeof buf, "SEXP %s||", touser);
 240                 CtdlIPC_chat_send(ipc, buf);
 241                 CtdlIPC_chat_recv(ipc, buf);
 242                 if (buf[0] != '2') {
 243                         scr_printf("%s\n", &buf[4]);
 244                         return;
 245                 }
 246                 if (client_make_message(ipc, temp, touser, 0, 0, 0, NULL, 0) != 0) {
 247                         scr_printf("No message sent.\n");
 248                         return;
 249                 }
 250                 pagefp = fopen(temp, "r");
 251                 unlink(temp);
 252                 snprintf(buf, sizeof buf, "SEXP %s|-", touser);
 253                 CtdlIPC_chat_send(ipc, buf);
 254                 CtdlIPC_chat_recv(ipc, buf);
 255                 if (buf[0] == '4') {
 256                         strcpy(last_paged, touser);
 257                         while (fgets(buf, sizeof buf, pagefp) != NULL) {
 258                                 buf[strlen(buf) - 1] = 0;
 259                                 CtdlIPC_chat_send(ipc, buf);
 260                         }
 261                         fclose(pagefp);
 262                         CtdlIPC_chat_send(ipc, "000");
 263                         scr_printf("Message sent.\n");
 264                 } else {
 265                         scr_printf("%s\n", &buf[4]);
 266                 }
 267         }
 268 }
 269
 270
 271 void quiet_mode(CtdlIPC *ipc)
 272 {
 273         static int quiet = 0;
 274         char cret[SIZ];
 275         int r;
 276
 277         r = CtdlIPCEnableInstantMessageReceipt(ipc, !quiet, cret);
 278         if (r / 100 == 2) {
 279                 quiet = !quiet;
 280                 scr_printf("Quiet mode %sabled (%sother users may page you)\n",
 281                                 (quiet) ? "en" : "dis",
 282                                 (quiet) ? "no " : "");
 283         } else {
 284                 scr_printf("Unable to change quiet mode: %s\n", cret);
 285         }
 286 }
 287
 288
 289 void stealth_mode(CtdlIPC *ipc)
 290 {
 291         static int stealth = 0;
 292         char cret[SIZ];
 293         int r;
 294
 295         r = CtdlIPCStealthMode(ipc, !stealth, cret);
 296         if (r / 100 == 2) {
 297                 stealth = !stealth;
 298                 scr_printf("Stealth mode %sabled (you are %s)\n",
 299                                 (stealth) ? "en" : "dis",
 300                                 (stealth) ? "invisible" : "listed as online");
 301         } else {
 302                 scr_printf("Unable to change stealth mode: %s\n", cret);
 303         }
 304 }