citadel/messages.c

   1 /*
   2  * Citadel/UX message support routines
   3  * see copyright.txt for copyright information
   4  * $Id$
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <sys/types.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <ctype.h>
  14 #include <string.h>
  15 #include <time.h>
  16 #include <signal.h>
  17 #include <errno.h>
  18 #include <limits.h>
  19 #include <sys/wait.h>
  20 #include <sys/stat.h>
  21 #include <stdarg.h>
  22 #include "citadel.h"
  23 #include "messages.h"
  24 #include "commands.h"
  25 #include "rooms.h"
  26 #include "tools.h"
  27 #ifndef HAVE_SNPRINTF
  28 #include "snprintf.h"
  29 #endif
  30
  31 #define MAXWORDBUF 256
  32 #define MAXMSGS 512
  33
  34 struct cittext {
  35         struct cittext *next;
  36         char text[MAXWORDBUF];
  37         };
  38
  39 void sttybbs(int cmd);
  40 int struncmp(char *lstr, char *rstr, int len);
  41 int fmout(int width, FILE *fp, char pagin, int height, int starting_lp, char subst);
  42 int haschar(char *st, int ch);
  43 int checkpagin(int lp, int pagin, int height);
  44 void getline(char *string, int lim);
  45 void formout(char *name);
  46 int yesno(void);
  47 void newprompt(char *prompt, char *str, int len);
  48 int file_checksum(char *filename);
  49 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
  50
  51 char reply_to[512];
  52 long msg_arr[MAXMSGS];
  53 int num_msgs;
  54 extern char room_name[];
  55 extern unsigned room_flags;
  56 extern long highest_msg_read;
  57 extern struct CtdlServInfo serv_info;
  58 extern char temp[];
  59 extern char temp2[];
  60 extern int screenwidth;
  61 extern int screenheight;
  62 extern long maxmsgnum;
  63 extern char is_mail;
  64 extern char is_aide;
  65 extern char is_room_aide;
  66 extern char fullname[];
  67 extern char axlevel;
  68 extern unsigned userflags;
  69 extern char sigcaught;
  70 extern char editor_path[];
  71 extern char printcmd[];
  72 extern int rc_allow_attachments;
  73 extern int rc_display_message_numbers;
  74 extern int rc_force_mail_prompts;
  75
  76 extern int editor_pid;
  77
  78 int lines_printed;
  79
  80 void ka_sigcatch(int signum) {
  81         char buf[256];
  82         alarm(S_KEEPALIVE);
  83         signal(SIGALRM, ka_sigcatch);
  84         serv_puts("NOOP");
  85         serv_gets(buf);
  86         }
  87
  88
  89 /*
  90  * server keep-alive version of wait() (needed for external editor)
  91  */
  92 pid_t ka_wait(int *kstatus)
  93 {
  94         pid_t p;
  95
  96         alarm(S_KEEPALIVE);
  97         signal(SIGALRM, ka_sigcatch);
  98         do {
  99                 errno = 0;
 100                 p = wait(kstatus);
 101                 } while (errno==EINTR);
 102         signal(SIGALRM,SIG_IGN);
 103         alarm(0);
 104         return(p);
 105         }
 106
 107
 108 /*
 109  * version of system() that uses ka_wait()
 110  */
 111 int ka_system(char *shc)
 112 {
 113         pid_t childpid;
 114         pid_t waitpid;
 115         int retcode;
 116
 117         childpid = fork();
 118         if (childpid < 0) {
 119                 color(BRIGHT_RED);
 120                 perror("Cannot fork");
 121                 color(DIM_WHITE);
 122                 return((pid_t)childpid);
 123                 }
 124
 125         if (childpid == 0) {
 126                 execlp("/bin/sh","sh","-c",shc,NULL);
 127                 exit(127);
 128                 }
 129
 130         if (childpid > 0) {
 131                 do {
 132                         waitpid = ka_wait(&retcode);
 133                         } while (waitpid != childpid);
 134                 return(retcode);
 135                 }
 136
 137         return(-1);
 138         }
 139
 140
 141
 142 /*
 143  * add a newline to the buffer...
 144  */
 145 void add_newline(struct cittext *textlist)
 146 {
 147         struct cittext *ptr;
 148
 149         ptr=textlist;
 150         while (ptr->next != NULL) ptr = ptr->next;
 151
 152         while (ptr->text[strlen(ptr->text)-1]==32)
 153                 ptr->text[strlen(ptr->text)-1] = 0;
 154         /* strcat(ptr->text,"\n"); */
 155
 156         ptr->next = (struct cittext *)
 157                 malloc(sizeof(struct cittext));
 158         ptr = ptr->next;
 159         ptr->next = NULL;
 160         strcpy(ptr->text,"");
 161         }
 162
 163
 164 /*
 165  * add a word to the buffer...
 166  */
 167 void add_word(struct cittext *textlist, char *wordbuf)
 168 {
 169         struct cittext *ptr;
 170
 171
 172         ptr=textlist;
 173         while (ptr->next != NULL) ptr = ptr->next;
 174
 175         if (3+strlen(ptr->text)+strlen(wordbuf) > screenwidth) {
 176                 ptr->next = (struct cittext *)
 177                         malloc(sizeof(struct cittext));
 178                 ptr = ptr->next;
 179                 ptr->next = NULL;
 180                 strcpy(ptr->text,"");
 181                 }
 182
 183         strcat(ptr->text,wordbuf);
 184         strcat(ptr->text," ");
 185         }
 186
 187
 188 /*
 189  * begin editing of an opened file pointed to by fp, beginning at position pos.
 190  */
 191 void citedit(FILE *fp, long int base_pos)
 192 {
 193         int a,prev,finished,b,last_space;
 194         int appending = 0;
 195         struct cittext *textlist = NULL;
 196         struct cittext *ptr;
 197         char wordbuf[MAXWORDBUF];
 198         char buf[256];
 199         time_t last_server_msg,now;
 200
 201         /*
 202          * we're going to keep track of the last time we talked to
 203          * the server, so we can periodically send keep-alive messages
 204          * out so it doesn't time out.
 205          */
 206         time(&last_server_msg);
 207
 208         /* first, load the text into the buffer */
 209         fseek(fp,base_pos,0);
 210         textlist = (struct cittext *)malloc(sizeof(struct cittext));
 211         textlist->next = NULL;
 212         strcpy(textlist->text,"");
 213
 214         strcpy(wordbuf,"");
 215         prev = (-1);
 216         while (a=getc(fp), a>=0) {
 217                 appending = 1;
 218                 if ((a==32)||(a==9)||(a==13)||(a==10)) {
 219                         add_word(textlist,wordbuf);
 220                         strcpy(wordbuf,"");
 221                         if ((prev==13)||(prev==10)) {
 222                                 add_word(textlist,"\n");
 223                                 add_newline(textlist);
 224                                 add_word(textlist,"");
 225                                 }
 226                         }
 227                 else {
 228                         wordbuf[strlen(wordbuf)+1] = 0;
 229                         wordbuf[strlen(wordbuf)] = a;
 230                         }
 231                 if (strlen(wordbuf)+3 > screenwidth) {
 232                         add_word(textlist,wordbuf);
 233                         strcpy(wordbuf,"");
 234                         }
 235                 prev = a;
 236                 }
 237
 238         /* get text */
 239         finished = 0;
 240         prev = (appending ? 13 : (-1));
 241         strcpy(wordbuf,"");
 242         do {
 243                 a=inkey();
 244                 if (a==10) a=13;
 245                 if (a==9) a=32;
 246                 if (a==127) a=8;
 247                 if ((a==32)&&(prev==13)) {
 248                         add_word(textlist,"\n");
 249                         add_newline(textlist);
 250                         }
 251                 if (a==8) {
 252                         if (strlen(wordbuf)>0) {
 253                                 wordbuf[strlen(wordbuf)-1] = 0;
 254                                 putc(8,stdout);
 255                                 putc(32,stdout);
 256                                 putc(8,stdout);
 257                                 }
 258                         }
 259                 else if (a==13) {
 260                         printf("\n");
 261                         if (strlen(wordbuf)==0) finished = 1;
 262                         else {
 263                                 for (b=0; b<strlen(wordbuf); ++b)
 264                                    if (wordbuf[b]==32) {
 265                                         wordbuf[b]=0;
 266                                         add_word(textlist,wordbuf);
 267                                         strcpy(wordbuf,&wordbuf[b+1]);
 268                                         b=0;
 269                                         }
 270                                 add_word(textlist,wordbuf);
 271                                 strcpy(wordbuf,"");
 272                                 }
 273                         }
 274                 else {
 275                         putc(a,stdout);
 276                         wordbuf[strlen(wordbuf)+1] = 0;
 277                         wordbuf[strlen(wordbuf)] = a;
 278                         }
 279                 if ((strlen(wordbuf)+3) > screenwidth) {
 280                         last_space = (-1);
 281                         for (b=0; b<strlen(wordbuf); ++b)
 282                                 if (wordbuf[b]==32) last_space = b;
 283                         if (last_space>=0) {
 284                                 for (b=0; b<strlen(wordbuf); ++b)
 285                                    if (wordbuf[b]==32) {
 286                                         wordbuf[b]=0;
 287                                         add_word(textlist,wordbuf);
 288                                         strcpy(wordbuf,&wordbuf[b+1]);
 289                                         b=0;
 290                                         }
 291                                 for (b=0; b<strlen(wordbuf); ++b) {
 292                                         putc(8,stdout);
 293                                         putc(32,stdout);
 294                                         putc(8,stdout);
 295                                         }
 296                                 printf("\n%s",wordbuf);
 297                                 }
 298                         else {
 299                                 add_word(textlist,wordbuf);
 300                                 strcpy(wordbuf,"");
 301                                 printf("\n");
 302                                 }
 303                         }
 304                 prev = a;
 305
 306                 /* this check implements the server keep-alive */
 307                 time(&now);
 308                 if ( (now - last_server_msg) > S_KEEPALIVE ) {
 309                         serv_puts("NOOP");
 310                         serv_gets(buf);
 311                         last_server_msg = now;
 312                         }
 313
 314                 } while (finished==0);
 315
 316         /* write the buffer back to disk */
 317         fseek(fp,base_pos,0);
 318         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 319                 fprintf(fp,"%s",ptr->text);
 320                 }
 321         putc(10,fp);
 322         putc(0,fp);
 323
 324         /* and deallocate the memory we used */
 325         while (textlist!=NULL) {
 326                 ptr=textlist->next;
 327                 free(textlist);
 328                 textlist=ptr;
 329                 }
 330         }
 331
 332
 333 int read_message(long int num, char pagin) /* Read a message from the server */
 334                                            /* message number */
 335                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 336 {
 337         char buf[256];
 338         char m_subject[256];
 339         char from[256];
 340         time_t now;
 341         struct tm *tm;
 342         int format_type = 0;
 343         int fr = 0;
 344         int nhdr = 0;
 345
 346         sigcaught = 0;
 347         sttybbs(1);
 348
 349         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 350         serv_puts(buf);
 351         serv_gets(buf);
 352         if (buf[0]!='1') {
 353                 printf("*** msg #%ld: %s\n",num,buf);
 354                 ++lines_printed;
 355                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 356                 sttybbs(0);
 357                 return(0);
 358                 }
 359
 360         strcpy(m_subject,"");
 361         printf("\n");
 362         ++lines_printed;
 363         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 364         printf(" ");
 365         if (pagin == 1) color(BRIGHT_CYAN);
 366
 367         if (pagin==2) {
 368                 while(serv_gets(buf), strcmp(buf,"000")) {
 369                         if (buf[4]=='=') {
 370                                 printf("%s\n",buf);
 371                                 ++lines_printed;
 372                                 lines_printed =
 373                                         checkpagin(lines_printed,
 374                                                 pagin,screenheight);
 375                                 }
 376                         }
 377                 sttybbs(0);
 378                 return(0);
 379                 }
 380
 381         strcpy(reply_to,"nobody...xxxxx");
 382         while(serv_gets(buf), struncmp(buf,"text",4)) {
 383                 if (!struncmp(buf,"nhdr=yes",8)) nhdr=1;
 384                 if (!struncmp(buf,"from=",5)) {
 385                         strcpy(from,&buf[5]);
 386                         }
 387                 if (nhdr==1) buf[0]='_';
 388                 if (!struncmp(buf,"type=",5))
 389                         format_type=atoi(&buf[5]);
 390                 if ((!struncmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 391                         color(DIM_WHITE);
 392                         printf("[");
 393                         color(BRIGHT_WHITE);
 394                         printf("#%s",&buf[5]);
 395                         color(DIM_WHITE);
 396                         printf("] ");
 397                         }
 398                 if (!struncmp(buf,"from=",5)) {
 399                         color(DIM_WHITE);
 400                         printf("from ");
 401                         color(BRIGHT_CYAN);
 402                         printf("%s ",&buf[5]);
 403                         }
 404                 if (!struncmp(buf,"subj=",5))
 405                         strcpy(m_subject,&buf[5]);
 406                 if ((!struncmp(buf,"hnod=",5))
 407                    && (strucmp(&buf[5],serv_info.serv_humannode))) {
 408                         color(DIM_WHITE);
 409                         printf("(");
 410                         color(BRIGHT_WHITE);
 411                         printf("%s",&buf[5]);
 412                         color(DIM_WHITE);
 413                         printf(") ");
 414                         }
 415                 if ((!struncmp(buf,"room=",5))
 416                    && (strucmp(&buf[5],room_name))) {
 417                         color(DIM_WHITE);
 418                         printf("in ");
 419                         color(BRIGHT_MAGENTA);
 420                         printf("%s> ",&buf[5]);
 421                         }
 422
 423                 if (!struncmp(buf,"node=",5)) {
 424                         if ( (room_flags&QR_NETWORK)
 425                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 426                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))))
 427                                 {
 428                                 color(DIM_WHITE);
 429                                 printf("@");
 430                                 color(BRIGHT_YELLOW);
 431                                 printf("%s ",&buf[5]);
 432                                 }
 433                         if ((!strucmp(&buf[5],serv_info.serv_nodename))
 434                            ||(!strucmp(&buf[5],serv_info.serv_fqdn)))
 435                                 {
 436                                 strcpy(reply_to,from);
 437                                 }
 438                         else {
 439                                 sprintf(reply_to,"%s @ %s",from,&buf[5]);
 440                                 }
 441                         }
 442
 443                 if (!struncmp(buf,"rcpt=",5)) {
 444                         color(DIM_WHITE);
 445                         printf("to ");
 446                         color(BRIGHT_CYAN);
 447                         printf("%s ",&buf[5]);
 448                         }
 449                 if (!struncmp(buf,"time=",5)) {
 450                         now=atol(&buf[5]);
 451                         tm=(struct tm *)localtime(&now);
 452                         strcpy(buf,asctime(tm)); buf[strlen(buf)-1]=0;
 453                         strcpy(&buf[16],&buf[19]);
 454                         color(BRIGHT_MAGENTA);
 455                         printf("%s ",&buf[4]);
 456                         }
 457                 }
 458
 459         if (nhdr==1) {
 460                 if (!is_room_aide) {
 461                         printf(" ****");
 462                         }
 463                 else {
 464                         printf(" %s",from);
 465                         }
 466                 }
 467         printf("\n");
 468         if (pagin == 1) color(BRIGHT_WHITE);
 469         ++lines_printed;
 470         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 471
 472         if (strlen(m_subject)>0) {
 473                 printf("Subject: %s\n",m_subject);
 474                 ++lines_printed;
 475                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 476                 }
 477
 478         if (format_type == 0) {
 479                 fr=fmout(screenwidth,NULL,
 480                         ((pagin==1) ? 1 : 0),
 481                         screenheight,(-1),1);
 482                 }
 483         else {
 484                 while(serv_gets(buf), strcmp(buf,"000")) {
 485                         if (sigcaught==0) {
 486                                 printf("%s\n",buf);
 487                                 lines_printed = lines_printed + 1 +
 488                                         (strlen(buf)/screenwidth);
 489                                 lines_printed =
 490                                         checkpagin(lines_printed,pagin,screenheight);
 491                                 }
 492                         }
 493                 fr = sigcaught;
 494                 }
 495         printf("\n");
 496         ++lines_printed;
 497         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 498
 499         if (pagin == 1) color(DIM_WHITE);
 500         sttybbs(0);
 501         return(fr);
 502         }
 503
 504 /*
 505  * replace string function for the built-in editor
 506  */
 507 void replace_string(char *filename, long int startpos)
 508 {
 509         char buf[512];
 510         char srch_str[128];
 511         char rplc_str[128];
 512         FILE *fp;
 513         int a;
 514         long rpos,wpos;
 515         char *ptr;
 516         int substitutions = 0;
 517         long msglen = 0L;
 518
 519         printf("Enter text to be replaced:\n: ");
 520         getline(srch_str,128);
 521         if (strlen(srch_str)==0) return;
 522
 523         printf("Enter text to replace it with:\n: ");
 524         getline(rplc_str,128);
 525
 526         fp=fopen(filename,"r+");
 527         if (fp==NULL) return;
 528
 529         wpos=startpos;
 530         fseek(fp,startpos,0);
 531         strcpy(buf,"");
 532         while (a=getc(fp), a>0) {
 533                 ++msglen;
 534                 buf[strlen(buf)+1] = 0;
 535                 buf[strlen(buf)] = a;
 536                 if ( strlen(buf) >= strlen(srch_str) ) {
 537                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 538                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 539                                 strcpy(ptr,rplc_str);
 540                                 ++substitutions;
 541                                 }
 542                         }
 543                 if (strlen(buf)>384) {
 544                         rpos=ftell(fp);
 545                         fseek(fp,wpos,0);
 546                         fwrite((char *)buf,128,1,fp);
 547                         strcpy(buf,&buf[128]);
 548                         wpos = ftell(fp);
 549                         fseek(fp,rpos,0);
 550                         }
 551                 }
 552         fseek(fp,wpos,0);
 553         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 554         putc(0,fp);
 555         fclose(fp);
 556         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 557         }
 558
 559
 560 int make_message(char *filename,        /* temporary file name */
 561                 char *recipient,        /* NULL if it's not mail */
 562                 int anon_type,          /* see MES_ types in header file */
 563                 int format_type,
 564                 int mode)
 565 {
 566         FILE *fp;
 567         int a,b,e_ex_code;
 568         time_t now;
 569         long beg;
 570         char datestr[64];
 571         int cksum = 0;
 572
 573         if (mode==2) if (strlen(editor_path)==0) {
 574                 printf("*** No editor available, using built-in editor\n");
 575                 mode=0;
 576                 }
 577
 578         time(&now);
 579         strcpy(datestr,asctime(localtime(&now)));
 580         datestr[strlen(datestr)-1] = 0;
 581
 582         if (room_flags & QR_ANONONLY) {
 583                 printf(" ****");
 584                 }
 585         else {
 586                 printf(" %s from %s",datestr,fullname);
 587                 if (strlen(recipient)>0) printf(" to %s",recipient);
 588                 }
 589         printf("\n");
 590
 591         beg = 0L;
 592
 593         if (mode==1) printf("(Press ctrl-d when finished)\n");
 594         if (mode==0) {
 595                 fp=fopen(filename,"r");
 596                 if (fp!=NULL) {
 597                         fmout(screenwidth,fp,0,screenheight,0,0);
 598                         beg = ftell(fp);
 599                         fclose(fp);
 600                         }
 601                 else {
 602                         fp=fopen(filename,"w");
 603                         fclose(fp);
 604                         }
 605                 }
 606
 607 ME1:    switch(mode) {
 608
 609            case 0:
 610                 fp=fopen(filename,"r+");
 611                 citedit(fp, beg);
 612                 fclose(fp);
 613                 goto MECR;
 614
 615            case 1:
 616                 fp=fopen(filename,"w");
 617                 do {
 618                         a=inkey(); if (a==255) a=32;
 619                         if (a==13) a=10;
 620                         if (a!=4) {
 621                                 putc(a,fp);
 622                                 putc(a,stdout);
 623                                 }
 624                         if (a==10) putc(13,stdout);
 625                         } while(a!=4);
 626                 fclose(fp);
 627                 break;
 628
 629            case 2:
 630                 e_ex_code = 1;  /* start with a failed exit code */
 631                 editor_pid=fork();
 632                 cksum = file_checksum(filename);
 633                 if (editor_pid==0) {
 634                         chmod(filename,0600);
 635                         sttybbs(SB_RESTORE);
 636                         execlp(editor_path,editor_path,filename,NULL);
 637                         exit(1);
 638                         }
 639                 if (editor_pid>0) do {
 640                         e_ex_code = 0;
 641                         b=ka_wait(&e_ex_code);
 642                         } while((b!=editor_pid)&&(b>=0));
 643                 editor_pid = (-1);
 644                 sttybbs(0);
 645                 break;
 646                 }
 647
 648 MECR:   if (mode==2) {
 649                 if (file_checksum(filename) == cksum) {
 650                         printf("*** Aborted message.\n");
 651                         e_ex_code = 1;
 652                         }
 653                 if (e_ex_code==0) goto MEFIN;
 654                 goto MEABT2;
 655                 }
 656 MECR1:  printf("Entry cmd (? for options) -> ");
 657 MECR2:  b=inkey();
 658         if (b==NEXT_KEY) b='n';
 659         if (b==STOP_KEY) b='s';
 660         b=(b&127); b=tolower(b);
 661         if (b=='?') {
 662                 printf("Help\n");
 663                 formout("saveopt");
 664                 goto MECR1;
 665                 }
 666         if (b=='a') { printf("Abort\n");        goto MEABT;     }
 667         if (b=='c') { printf("Continue\n");     goto ME1;       }
 668         if (b=='s') { printf("Save message\n"); goto MEFIN;     }
 669         if (b=='p') {
 670                 printf("Print formatted\n");
 671                 printf(" %s from %s",datestr,fullname);
 672                 if (strlen(recipient)>0) printf(" to %s",recipient);
 673                 printf("\n");
 674                 fp=fopen(filename,"r");
 675                 if (fp!=NULL) {
 676                         fmout(screenwidth,fp,
 677                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 678                                 screenheight,0,0);
 679                         beg = ftell(fp);
 680                         fclose(fp);
 681                         }
 682                 goto MECR;
 683                 }
 684         if (b=='r') {
 685                 printf("Replace string\n");
 686                 replace_string(filename,0L);
 687                 goto MECR;
 688                 }
 689         if (b=='h') {
 690                 printf("Hold message\n");
 691                 return(2);
 692                 }
 693         goto MECR2;
 694
 695 MEFIN:  return(0);
 696
 697 MEABT:  printf("Are you sure? ");
 698         if (yesno()==0) goto ME1;
 699 MEABT2: unlink(filename);
 700         return(2);
 701         }
 702
 703 /*
 704  * transmit message text to the server
 705  */
 706 void transmit_message(FILE *fp)
 707 {
 708         char buf[256];
 709         int ch,a;
 710         long msglen;
 711         time_t lasttick;
 712
 713         fseek(fp, 0L, SEEK_END);
 714         msglen = ftell(fp);
 715         rewind(fp);
 716         lasttick = time(NULL);
 717         strcpy(buf,"");
 718         while (ch=getc(fp), (ch>=0)) {
 719                 if (ch==10) {
 720                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 721                         serv_puts(buf);
 722                         strcpy(buf,"");
 723                         }
 724                 else {
 725                         a = strlen(buf);
 726                         buf[a+1] = 0;
 727                         buf[a] = ch;
 728                         if ((ch==32)&&(strlen(buf)>200)) {
 729                                 buf[a]=0;
 730                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 731                                 serv_puts(buf);
 732                                 strcpy(buf,"");
 733                                 }
 734                         if (strlen(buf)>250) {
 735                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 736                                 serv_puts(buf);
 737                                 strcpy(buf,"");
 738                                 }
 739                         }
 740
 741                 if ( (time(NULL) - lasttick) > 2L ) {
 742                         printf(" %3ld%% completed\r",
 743                                 ((ftell(fp) * 100L) / msglen) );
 744                         fflush(stdout);
 745                         lasttick = time(NULL);
 746                         }
 747
 748                 }
 749         serv_puts(buf);
 750         printf("                \r");
 751         fflush(stdout);
 752         }
 753
 754
 755
 756 /*
 757  * entmsg()  -  edit and create a message
 758  *              returns 0 if message was saved
 759  */
 760 int entmsg(int is_reply, int c)
 761                         /* nonzero if this was a <R>eply command */
 762        {                /* */
 763         char buf[300];
 764         char cmd[256];
 765         int a,b;
 766         int need_recp = 0;
 767         int mode;
 768         long highmsg;
 769         FILE *fp;
 770
 771         if (c>0) mode=1;
 772         else mode=0;
 773
 774         sprintf(cmd,"ENT0 0||0|%d",mode);
 775         serv_puts(cmd);
 776         serv_gets(cmd);
 777
 778         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 779                 printf("%s\n",&cmd[4]);
 780                 return(1);
 781                 }
 782         need_recp = 0;
 783         if (!strncmp(cmd,"570",3)) need_recp = 1;
 784
 785         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 786
 787         strcpy(buf,"");
 788         if (need_recp==1) {
 789                 if (axlevel>=2) {
 790                         if (is_reply) {
 791                                 strcpy(buf,reply_to);
 792                                 }
 793                         else {
 794                                 printf("Enter recipient: ");
 795                                 getline(buf, 60);
 796                                 if (strlen(buf)==0) return(1);
 797                                 }
 798                         }
 799                 else strcpy(buf,"sysop");
 800                 }
 801
 802         b=0;
 803         if (room_flags&QR_ANONOPT) {
 804                 printf("Anonymous (Y/N)? ");
 805                 if (yesno()==1) b=1;
 806                 }
 807
 808 /* if it's mail, we've got to check the validity of the recipient... */
 809         if (strlen(buf)>0) {
 810                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 811                 serv_puts(cmd);
 812                 serv_gets(cmd);
 813                 if (cmd[0]!='2') {
 814                         printf("%s\n",&cmd[4]);
 815                         return(1);
 816                         }
 817                 }
 818
 819 /* learn the number of the newest message in in the room, so we can tell
 820  * upon saving whether someone else has posted too
 821  */
 822         num_msgs = 0;
 823         serv_puts("MSGS LAST|1");
 824         serv_gets(cmd);
 825         if (cmd[0]!='1') {
 826                 printf("%s\n",&cmd[5]);
 827                 }
 828         else {
 829                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 830                         msg_arr[num_msgs++] = atol(cmd);
 831                         }
 832                 }
 833
 834 /* now put together the message */
 835         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 836
 837 /* and send it to the server */
 838         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 839         serv_puts(cmd);
 840         serv_gets(cmd);
 841         if (cmd[0]!='4') {
 842                 printf("%s\n",&cmd[4]);
 843                 return(1);
 844                 }
 845         fp=fopen(temp,"r");
 846         if (fp!=NULL) {
 847                 transmit_message(fp);
 848                 fclose(fp);
 849                 }
 850         serv_puts("000");
 851         unlink(temp);
 852
 853         highmsg = msg_arr[num_msgs - 1];
 854         num_msgs = 0;
 855         serv_puts("MSGS NEW");
 856         serv_gets(cmd);
 857         if (cmd[0]!='1') {
 858                 printf("%s\n",&cmd[5]);
 859                 }
 860         else {
 861                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 862                         msg_arr[num_msgs++] = atol(cmd);
 863                         }
 864                 }
 865
 866         /* get new highest message number in room to set lrp for goto... */
 867         maxmsgnum = msg_arr[num_msgs - 1];
 868
 869         /* now see if anyone else has posted in here */
 870         b=(-1);
 871         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 872
 873         /* in the Mail> room, this algorithm always counts one message
 874          * higher than in public rooms, so we decrement it by one */
 875         if (need_recp) --b;
 876
 877         if (b==1) printf(
 878 "*** 1 additional message has been entered in this room by another user.\n");
 879         if (b>1) printf(
 880 "*** %d additional messages have been entered in this room by other users.\n",b);
 881
 882         return(0);
 883         }
 884
 885 void process_quote(void) {      /* do editing on quoted file */
 886 FILE *qfile,*tfile;
 887 char buf[128];
 888 int line,qstart,qend;
 889
 890         /* Unlink the second temp file as soon as it's opened, so it'll get
 891          * deleted even if the program dies
 892          */
 893         qfile = fopen(temp2,"r");
 894         unlink(temp2);
 895
 896         /* Display the quotable text with line numbers added */
 897         line = 0;
 898         fgets(buf,128,qfile);
 899         while (fgets(buf,128,qfile)!=NULL) {
 900                 printf("%2d %s",++line,buf);
 901                 }
 902         printf("Begin quoting at [ 1] : ");
 903         getline(buf,3);
 904         qstart = (buf[0]==0) ? (1) : atoi(buf);
 905         printf("  End quoting at [%d] : ",line);
 906         getline(buf,3);
 907         qend = (buf[0]==0) ? (line) : atoi(buf);
 908         rewind(qfile);
 909         line=0;
 910         fgets(buf,128,qfile);
 911         tfile=fopen(temp,"w");
 912         while(fgets(buf,128,qfile)!=NULL) {
 913                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 914                 }
 915         fprintf(tfile," \n");
 916         fclose(qfile);
 917         fclose(tfile);
 918         chmod(temp,0666);
 919         }
 920
 921
 922
 923 /*
 924  * List the URL's which were embedded in the previous message
 925  */
 926 void list_urls() {
 927         int i;
 928         char cmd[256];
 929
 930         if (num_urls == 0) {
 931                 printf("There were no URL's in the previous message.\n\n");
 932                 return;
 933         }
 934
 935         for (i=0; i<num_urls; ++i) {
 936                 printf("%3d %s\n", i+1, urls[i]);
 937         }
 938
 939         if((i = num_urls) != 1)
 940                 i = intprompt("Display which one", 1, 1, num_urls);
 941
 942         sprintf(cmd, rc_url_cmd, urls[i-1]);
 943         system(cmd);
 944         printf("\n");
 945 }
 946
 947
 948 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 949                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 950                 /* 1=Forward (-1)=Reverse */
 951                 /* Number of msgs to read (if c==3) */
 952         {
 953         int a,b,e,f,g,start;
 954         int hold_sw = 0;
 955         char arcflag = 0;
 956         char quotflag = 0;
 957         int hold_color = 0;
 958         char prtfile[PATH_MAX];
 959         char pagin;
 960         char cmd[256];
 961         char targ[ROOMNAMELEN];
 962         char filename[256];
 963
 964         signal(SIGINT,SIG_IGN);
 965         signal(SIGQUIT,SIG_IGN);
 966
 967         if (c<0) b=(MAXMSGS-1);
 968         else b=0;
 969
 970         sprintf(prtfile, tmpnam(NULL));
 971
 972         num_msgs = 0;
 973         strcpy(cmd,"MSGS ");
 974         switch(c) {
 975                 case 0: strcat(cmd,"ALL");
 976                         break;
 977                 case 1: strcat(cmd,"NEW");
 978                         break;
 979                 case 2: strcat(cmd,"OLD");
 980                         break;
 981                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 982                         break;
 983                 }
 984         serv_puts(cmd);
 985         serv_gets(cmd);
 986         if (cmd[0]!='1') {
 987                 printf("%s\n",&cmd[5]);
 988                 }
 989         else {
 990                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 991                         if (num_msgs == MAXMSGS) {
 992                                 memcpy(&msg_arr[0], &msg_arr[1],
 993                                         (sizeof(long) * (MAXMSGS - 1)) );
 994                                 --num_msgs;
 995                                 }
 996                         msg_arr[num_msgs++] = atol(cmd);
 997                         }
 998                 }
 999
1000         lines_printed = 0;
1001
1002         /* this loop cycles through each message... */
1003         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1004         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1005                 while (msg_arr[a]==0L) {
1006                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1007                         }
1008
1009 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1010                         (userflags & US_PAGINATOR)) ? 1 : 0;
1011
1012         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1013                 if (quotflag) {
1014                         hold_sw = screenwidth;
1015                         screenwidth = 72;
1016                         }
1017
1018         /* If printing or archiving, set the screenwidth to 80 temporarily */
1019                 if (arcflag) {
1020                         hold_sw = screenwidth;
1021                         screenwidth = 80;
1022                         }
1023
1024         /* now read the message... */
1025                 e=read_message(msg_arr[a],pagin);
1026
1027         /* ...and set the screenwidth back if we have to */
1028                 if ((quotflag)||(arcflag)) {
1029                         screenwidth = hold_sw;
1030                         }
1031 RMSGREAD:       fflush(stdout);
1032                 highest_msg_read = msg_arr[a];
1033                 if (quotflag) {
1034                         freopen("/dev/tty","r+",stdout);
1035                         quotflag=0;
1036                         enable_color = hold_color;
1037                         process_quote();
1038                         }
1039                 if (arcflag) {
1040                         freopen("/dev/tty","r+",stdout);
1041                         arcflag=0;
1042                         enable_color = hold_color;
1043                         f=fork();
1044                         if (f==0) {
1045                                 freopen(prtfile, "r", stdin);
1046                                 sttybbs(SB_RESTORE);
1047                                 ka_system(printcmd);
1048                                 sttybbs(SB_NO_INTR);
1049                                 unlink(prtfile);
1050                                 exit(0);
1051                                 }
1052                         if (f>0) do {
1053                                 g=wait(NULL);
1054                                 } while((g!=f)&&(g>=0));
1055                         printf("Message printed.\n");
1056                         }
1057                 if (e==3) return;
1058                 if ( ((userflags&US_NOPROMPT)||(e==2))
1059                    && (((room_flags&QR_MAILBOX)==0)
1060                      ||(rc_force_mail_prompts==0))  ) {
1061                         e='n';
1062                         }
1063                 else {
1064                         color(DIM_WHITE);
1065                         printf("(");
1066                         color(BRIGHT_WHITE);
1067                         printf("%d",num_msgs-a-1);
1068                         color(DIM_WHITE);
1069                         printf(") ");
1070
1071                         if (is_mail==1) keyopt("<R>eply ");
1072                         keyopt("<B>ack <A>gain <Q>uote <N>ext <S>top ");
1073                         if (rc_url_cmd[0] && num_urls) keyopt("<U>RL View ");
1074                         keyopt("<?>Help/others -> ");
1075
1076                         do {
1077                                 lines_printed = 2;
1078                                 e=(inkey()&127); e=tolower(e);
1079 /* return key same as <N> */    if (e==13) e='n';
1080 /* space key same as <N> */     if (e==32) e='n';
1081 /* del/move for aides only */   if ((!is_room_aide)
1082                                     &&((room_flags&QR_MAILBOX)==0)) {
1083                                         if ((e=='d')||(e=='m')||(e=='c')) e=0;
1084                                         }
1085 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1086 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1087 /* can't file if not allowed */ if ((e=='f')&&(rc_allow_attachments==0)) e=0;
1088 /* link only if browser avail*/ if ((e=='u')&&(strlen(rc_url_cmd)==0)) e=0;
1089                                 } while((e!='a')&&(e!='n')&&(e!='s')
1090                                         &&(e!='d')&&(e!='m')&&(e!='p')
1091                                         &&(e!='q')&&(e!='b')&&(e!='h')
1092                                         &&(e!='r')&&(e!='f')&&(e!='?')
1093                                         &&(e!='u')&&(e!='c'));
1094                         switch(e) {
1095                                 case 's':       printf("Stop\r");       break;
1096                                 case 'a':       printf("Again\r");      break;
1097                                 case 'd':       printf("Delete\r");     break;
1098                                 case 'm':       printf("Move\r");       break;
1099                                 case 'c':       printf("Copy\r");       break;
1100                                 case 'n':       printf("Next\r");       break;
1101                                 case 'p':       printf("Print\r");      break;
1102                                 case 'q':       printf("Quote\r");      break;
1103                                 case 'b':       printf("Back\r");       break;
1104                                 case 'h':       printf("Header\r");     break;
1105                                 case 'r':       printf("Reply\r");      break;
1106                                 case 'f':       printf("File\r");       break;
1107                                 case 'u':       printf("URL's\r");      break;
1108                                 case '?':       printf("? <help>\r");   break;
1109                                 }
1110                         if (userflags & US_DISAPPEAR)
1111                                 printf("\r%79s\r","");
1112                         else
1113                                 printf("\n");
1114                         fflush(stdout);
1115                         }
1116                 switch(e) {
1117                    case '?':    printf("Options available here:\n");
1118                                 printf(" ?  Help (prints this message)\n");
1119                                 printf(" S  Stop reading immediately\n");
1120                                 printf(" A  Again (repeats last message)\n");
1121                                 printf(" N  Next (continue with next message)\n");
1122                                 printf(" B  Back (go back to previous message)\n");
1123                                 if ((is_room_aide)
1124                                     ||(room_flags&QR_MAILBOX)) {
1125                                         printf(" D  Delete this message\n");
1126                                         printf(" M  Move message to another room\n");
1127                                         printf(" C  Copy message to another room\n");
1128                                         }
1129                                 if (strlen(printcmd)>0)
1130                                         printf(" P  Print this message\n");
1131                                 printf(" Q  Quote portions of this message for your next post\n");
1132                                 printf(" H  Headers (display message headers only)\n");
1133                                 if (is_mail)
1134                                         printf(" R  Reply to this message\n");
1135                                 if (rc_allow_attachments)
1136                                         printf(" F  (save attachments to a file)\n");
1137                                 if (strlen(rc_url_cmd)>0)
1138                                         printf(" U  (list URL's for display)\n");
1139                                 printf("\n");
1140                                 goto RMSGREAD;
1141                    case 'p':    fflush(stdout);
1142                                 freopen(prtfile,"w",stdout);
1143                                 arcflag = 1;
1144                                 hold_color = enable_color;
1145                                 enable_color = 0;
1146                                 goto RAGAIN;
1147                    case 'q':    fflush(stdout);
1148                                 freopen(temp2,"w",stdout);
1149                                 quotflag = 1;
1150                                 hold_color = enable_color;
1151                                 enable_color = 0;
1152                                 goto RAGAIN;
1153                    case 's':    return;
1154                    case 'a':    goto RAGAIN;
1155                    case 'b':    a=a-(rdir*2);
1156                                 break;
1157                    case 'm':
1158                    case 'c':
1159                                 newprompt("Enter target room: ",
1160                                         targ,ROOMNAMELEN-1);
1161                                 if (strlen(targ)>0) {
1162                                         sprintf(cmd,"MOVE %ld|%s|%d",
1163                                                 msg_arr[a],targ,
1164                                                 (e=='c' ? 1 : 0) );
1165                                         serv_puts(cmd);
1166                                         serv_gets(cmd);
1167                                         printf("%s\n",&cmd[4]);
1168                                         if (cmd[0]=='2') msg_arr[a]=0L;
1169                                         }
1170                                 else {
1171                                         goto RMSGREAD;
1172                                         }
1173                                 if (cmd[0]!='2') goto RMSGREAD;
1174                                 break;
1175                    case 'f':    newprompt("Which section? ", filename,
1176                                         ((sizeof filename) -1));
1177                                 snprintf(cmd, sizeof cmd,
1178                                         "OPNA %ld|%s", msg_arr[a], filename);
1179                                 serv_puts(cmd);
1180                                 serv_gets(cmd);
1181                                 if (cmd[0]=='2') {
1182                                         extract(filename, &cmd[4], 2);
1183                                         download_to_local_disk(filename,
1184                                                 extract_int(&cmd[4], 0));
1185                                         }
1186                                 else {
1187                                         printf("%s\n",&cmd[4]);
1188                                         }
1189                                 goto RMSGREAD;
1190                    case 'd':    printf("*** Delete this message? ");
1191                                 if (yesno()==1) {
1192                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1193                                         serv_puts(cmd);
1194                                         serv_gets(cmd);
1195                                         printf("%s\n",&cmd[4]);
1196                                         if (cmd[0]=='2') msg_arr[a]=0L;
1197                                         }
1198                                 else {
1199                                         goto RMSGREAD;
1200                                         }
1201                                 break;
1202                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1203                                 goto RMSGREAD;
1204                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1205                                 goto RMSGREAD;
1206                    case 'u':    list_urls();
1207                                 goto RMSGREAD;
1208                         }
1209                 } /* end for loop */
1210         } /* end read routine */
1211
1212
1213
1214
1215 /*
1216  * View and edit a system message
1217  */
1218 void edit_system_message(char *which_message)
1219 {
1220         char desc[64];
1221         char read_cmd[64];
1222         char write_cmd[64];
1223
1224         sprintf(desc, "system message '%s'", which_message);
1225         sprintf(read_cmd, "MESG %s", which_message);
1226         sprintf(write_cmd, "EMSG %s", which_message);
1227         do_edit(desc, read_cmd, "NOOP", write_cmd);
1228         }