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
 190  */
 191 void citedit(FILE *fp)
 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, 0L, 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, 0L, 0);
 318         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 319                 fprintf(fp,"%s",ptr->text);
 320                 }
 321         putc(10,fp);
 322         fflush(fp);
 323         ftruncate(fileno(fp), ftell(fp));
 324
 325         /* and deallocate the memory we used */
 326         while (textlist!=NULL) {
 327                 ptr=textlist->next;
 328                 free(textlist);
 329                 textlist=ptr;
 330                 }
 331         }
 332
 333
 334 int read_message(long int num, char pagin) /* Read a message from the server */
 335                                            /* message number */
 336                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 337 {
 338         char buf[256];
 339         char m_subject[256];
 340         char from[256];
 341         time_t now;
 342         struct tm *tm;
 343         int format_type = 0;
 344         int fr = 0;
 345         int nhdr = 0;
 346         int have_rfca = 0;
 347
 348         sigcaught = 0;
 349         sttybbs(1);
 350
 351         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 352         serv_puts(buf);
 353         serv_gets(buf);
 354         if (buf[0]!='1') {
 355                 printf("*** msg #%ld: %s\n",num,buf);
 356                 ++lines_printed;
 357                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 358                 sttybbs(0);
 359                 return(0);
 360                 }
 361
 362         strcpy(m_subject,"");
 363         strcpy(reply_to, "nobody ... xxxxx");
 364         printf("\n");
 365         ++lines_printed;
 366         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 367         printf(" ");
 368         if (pagin == 1) color(BRIGHT_CYAN);
 369
 370         if (pagin==2) {
 371                 while(serv_gets(buf), strcmp(buf,"000")) {
 372                         if (buf[4]=='=') {
 373                                 printf("%s\n",buf);
 374                                 ++lines_printed;
 375                                 lines_printed =
 376                                         checkpagin(lines_printed,
 377                                                 pagin,screenheight);
 378                                 }
 379                         }
 380                 sttybbs(0);
 381                 return(0);
 382                 }
 383
 384         while(serv_gets(buf), struncmp(buf,"text",4)) {
 385                 if (!struncmp(buf,"nhdr=yes",8)) nhdr=1;
 386                 if (!struncmp(buf,"from=",5)) {
 387                         strcpy(from,&buf[5]);
 388                         }
 389                 if (nhdr==1) buf[0]='_';
 390                 if (!struncmp(buf,"type=",5))
 391                         format_type=atoi(&buf[5]);
 392                 if ((!struncmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 393                         color(DIM_WHITE);
 394                         printf("[");
 395                         color(BRIGHT_WHITE);
 396                         printf("#%s",&buf[5]);
 397                         color(DIM_WHITE);
 398                         printf("] ");
 399                         }
 400                 if (!struncmp(buf,"from=",5)) {
 401                         color(DIM_WHITE);
 402                         printf("from ");
 403                         color(BRIGHT_CYAN);
 404                         printf("%s ",&buf[5]);
 405                         }
 406                 if (!struncmp(buf,"subj=",5))
 407                         strcpy(m_subject,&buf[5]);
 408
 409                 if (!struncmp(buf,"rfca=",5)) {
 410                         strcpy(reply_to, &buf[5]);
 411                         have_rfca = 1;
 412                         color(DIM_WHITE);
 413                         printf("<");
 414                         color(BRIGHT_BLUE);
 415                         printf("%s",&buf[5]);
 416                         color(DIM_WHITE);
 417                         printf("> ");
 418                         }
 419                 if ((!struncmp(buf,"hnod=",5))
 420                    && (strucmp(&buf[5],serv_info.serv_humannode))
 421                    && (have_rfca == 0) ) {
 422                         color(DIM_WHITE);
 423                         printf("(");
 424                         color(BRIGHT_WHITE);
 425                         printf("%s",&buf[5]);
 426                         color(DIM_WHITE);
 427                         printf(") ");
 428                         }
 429                 if ((!struncmp(buf,"room=",5))
 430                    && (strucmp(&buf[5],room_name))
 431                    && (have_rfca == 0)) {
 432                         color(DIM_WHITE);
 433                         printf("in ");
 434                         color(BRIGHT_MAGENTA);
 435                         printf("%s> ",&buf[5]);
 436                         }
 437
 438                 if (!struncmp(buf,"node=",5)) {
 439                         if ( (room_flags&QR_NETWORK)
 440                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 441                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))) )
 442                                 {
 443                                 if (have_rfca == 0) {
 444                                         color(DIM_WHITE);
 445                                         printf("@");
 446                                         color(BRIGHT_YELLOW);
 447                                         printf("%s ",&buf[5]);
 448                                 }
 449                         }
 450                         if (have_rfca == 0) {
 451                          if ((!strucmp(&buf[5],serv_info.serv_nodename))
 452                            ||(!strucmp(&buf[5],serv_info.serv_fqdn)))
 453                                 {
 454                                 strcpy(reply_to,from);
 455                                 }
 456                         }
 457                         else {
 458                                 sprintf(reply_to,"%s @ %s",from,&buf[5]);
 459                                 }
 460                         }
 461
 462                 if (!struncmp(buf,"rcpt=",5)) {
 463                         color(DIM_WHITE);
 464                         printf("to ");
 465                         color(BRIGHT_CYAN);
 466                         printf("%s ",&buf[5]);
 467                         }
 468                 if (!struncmp(buf,"time=",5)) {
 469                         now=atol(&buf[5]);
 470                         tm=(struct tm *)localtime(&now);
 471                         strcpy(buf,asctime(tm)); buf[strlen(buf)-1]=0;
 472                         strcpy(&buf[16],&buf[19]);
 473                         color(BRIGHT_MAGENTA);
 474                         printf("%s ",&buf[4]);
 475                         }
 476                 }
 477
 478         if (nhdr==1) {
 479                 if (!is_room_aide) {
 480                         printf(" ****");
 481                         }
 482                 else {
 483                         printf(" %s",from);
 484                         }
 485                 }
 486         printf("\n");
 487         if (pagin == 1) color(BRIGHT_WHITE);
 488         ++lines_printed;
 489         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 490
 491         if (strlen(m_subject)>0) {
 492                 printf("Subject: %s\n",m_subject);
 493                 ++lines_printed;
 494                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 495                 }
 496
 497         if (format_type == 0) {
 498                 fr=fmout(screenwidth,NULL,
 499                         ((pagin==1) ? 1 : 0),
 500                         screenheight,(-1),1);
 501                 }
 502         else {
 503                 while(serv_gets(buf), strcmp(buf,"000")) {
 504                         if (sigcaught==0) {
 505                                 printf("%s\n",buf);
 506                                 lines_printed = lines_printed + 1 +
 507                                         (strlen(buf)/screenwidth);
 508                                 lines_printed =
 509                                         checkpagin(lines_printed,pagin,screenheight);
 510                                 }
 511                         }
 512                 fr = sigcaught;
 513                 }
 514         printf("\n");
 515         ++lines_printed;
 516         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 517
 518         if (pagin == 1) color(DIM_WHITE);
 519         sttybbs(0);
 520         return(fr);
 521         }
 522
 523 /*
 524  * replace string function for the built-in editor
 525  */
 526 void replace_string(char *filename, long int startpos)
 527 {
 528         char buf[512];
 529         char srch_str[128];
 530         char rplc_str[128];
 531         FILE *fp;
 532         int a;
 533         long rpos,wpos;
 534         char *ptr;
 535         int substitutions = 0;
 536         long msglen = 0L;
 537
 538         printf("Enter text to be replaced:\n: ");
 539         getline(srch_str,128);
 540         if (strlen(srch_str)==0) return;
 541
 542         printf("Enter text to replace it with:\n: ");
 543         getline(rplc_str,128);
 544
 545         fp=fopen(filename,"r+");
 546         if (fp==NULL) return;
 547
 548         wpos=startpos;
 549         fseek(fp,startpos,0);
 550         strcpy(buf,"");
 551         while (a=getc(fp), a>0) {
 552                 ++msglen;
 553                 buf[strlen(buf)+1] = 0;
 554                 buf[strlen(buf)] = a;
 555                 if ( strlen(buf) >= strlen(srch_str) ) {
 556                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 557                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 558                                 strcpy(ptr,rplc_str);
 559                                 ++substitutions;
 560                                 }
 561                         }
 562                 if (strlen(buf)>384) {
 563                         rpos=ftell(fp);
 564                         fseek(fp,wpos,0);
 565                         fwrite((char *)buf,128,1,fp);
 566                         strcpy(buf,&buf[128]);
 567                         wpos = ftell(fp);
 568                         fseek(fp,rpos,0);
 569                         }
 570                 }
 571         fseek(fp,wpos,0);
 572         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 573         wpos = ftell(fp);
 574         fclose(fp);
 575         truncate(filename, wpos);
 576         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 577         }
 578
 579
 580 int make_message(char *filename,        /* temporary file name */
 581                 char *recipient,        /* NULL if it's not mail */
 582                 int anon_type,          /* see MES_ types in header file */
 583                 int format_type,
 584                 int mode)
 585 {
 586         FILE *fp;
 587         int a,b,e_ex_code;
 588         time_t now;
 589         long beg;
 590         char datestr[64];
 591         int cksum = 0;
 592
 593         if (mode==2) if (strlen(editor_path)==0) {
 594                 printf("*** No editor available, using built-in editor\n");
 595                 mode=0;
 596                 }
 597
 598         time(&now);
 599         strcpy(datestr,asctime(localtime(&now)));
 600         datestr[strlen(datestr)-1] = 0;
 601
 602         if (room_flags & QR_ANONONLY) {
 603                 printf(" ****");
 604                 }
 605         else {
 606                 printf(" %s from %s",datestr,fullname);
 607                 if (strlen(recipient)>0) printf(" to %s",recipient);
 608                 }
 609         printf("\n");
 610
 611         beg = 0L;
 612
 613         if (mode==1) printf("(Press ctrl-d when finished)\n");
 614         if (mode==0) {
 615                 fp=fopen(filename,"r");
 616                 if (fp!=NULL) {
 617                         fmout(screenwidth,fp,0,screenheight,0,0);
 618                         beg = ftell(fp);
 619                         fclose(fp);
 620                         }
 621                 else {
 622                         fp=fopen(filename,"w");
 623                         fclose(fp);
 624                         }
 625                 }
 626
 627 ME1:    switch(mode) {
 628
 629            case 0:
 630                 fp=fopen(filename,"r+");
 631                 citedit(fp);
 632                 fclose(fp);
 633                 goto MECR;
 634
 635            case 1:
 636                 fp=fopen(filename,"w");
 637                 do {
 638                         a=inkey(); if (a==255) a=32;
 639                         if (a==13) a=10;
 640                         if (a!=4) {
 641                                 putc(a,fp);
 642                                 putc(a,stdout);
 643                                 }
 644                         if (a==10) putc(13,stdout);
 645                         } while(a!=4);
 646                 fclose(fp);
 647                 break;
 648
 649            case 2:
 650                 e_ex_code = 1;  /* start with a failed exit code */
 651                 editor_pid=fork();
 652                 cksum = file_checksum(filename);
 653                 if (editor_pid==0) {
 654                         chmod(filename,0600);
 655                         sttybbs(SB_RESTORE);
 656                         execlp(editor_path,editor_path,filename,NULL);
 657                         exit(1);
 658                         }
 659                 if (editor_pid>0) do {
 660                         e_ex_code = 0;
 661                         b=ka_wait(&e_ex_code);
 662                         } while((b!=editor_pid)&&(b>=0));
 663                 editor_pid = (-1);
 664                 sttybbs(0);
 665                 break;
 666                 }
 667
 668 MECR:   if (mode==2) {
 669                 if (file_checksum(filename) == cksum) {
 670                         printf("*** Aborted message.\n");
 671                         e_ex_code = 1;
 672                         }
 673                 if (e_ex_code==0) goto MEFIN;
 674                 goto MEABT2;
 675                 }
 676
 677         b = keymenu("Entry command (? for options)",
 678                 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
 679                 "<R>eplace string|<H>old message");
 680
 681         if (b=='a') goto MEABT;
 682         if (b=='c') goto ME1;
 683         if (b=='s') goto MEFIN;
 684         if (b=='p') {
 685                 printf(" %s from %s",datestr,fullname);
 686                 if (strlen(recipient)>0) printf(" to %s",recipient);
 687                 printf("\n");
 688                 fp=fopen(filename,"r");
 689                 if (fp!=NULL) {
 690                         fmout(screenwidth,fp,
 691                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 692                                 screenheight,0,0);
 693                         beg = ftell(fp);
 694                         fclose(fp);
 695                         }
 696                 goto MECR;
 697                 }
 698         if (b=='r') {
 699                 replace_string(filename,0L);
 700                 goto MECR;
 701                 }
 702         if (b=='h') {
 703                 return(2);
 704                 }
 705
 706 MEFIN:  return(0);
 707
 708 MEABT:  printf("Are you sure? ");
 709         if (yesno()==0) goto ME1;
 710 MEABT2: unlink(filename);
 711         return(2);
 712         }
 713
 714 /*
 715  * transmit message text to the server
 716  */
 717 void transmit_message(FILE *fp)
 718 {
 719         char buf[256];
 720         int ch,a;
 721         long msglen;
 722         time_t lasttick;
 723
 724         fseek(fp, 0L, SEEK_END);
 725         msglen = ftell(fp);
 726         rewind(fp);
 727         lasttick = time(NULL);
 728         strcpy(buf,"");
 729         while (ch=getc(fp), (ch>=0)) {
 730                 if (ch==10) {
 731                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 732                         serv_puts(buf);
 733                         strcpy(buf,"");
 734                         }
 735                 else {
 736                         a = strlen(buf);
 737                         buf[a+1] = 0;
 738                         buf[a] = ch;
 739                         if ((ch==32)&&(strlen(buf)>200)) {
 740                                 buf[a]=0;
 741                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 742                                 serv_puts(buf);
 743                                 strcpy(buf,"");
 744                                 }
 745                         if (strlen(buf)>250) {
 746                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 747                                 serv_puts(buf);
 748                                 strcpy(buf,"");
 749                                 }
 750                         }
 751
 752                 if ( (time(NULL) - lasttick) > 2L ) {
 753                         printf(" %3ld%% completed\r",
 754                                 ((ftell(fp) * 100L) / msglen) );
 755                         fflush(stdout);
 756                         lasttick = time(NULL);
 757                         }
 758
 759                 }
 760         serv_puts(buf);
 761         printf("                \r");
 762         fflush(stdout);
 763         }
 764
 765
 766
 767 /*
 768  * entmsg()  -  edit and create a message
 769  *              returns 0 if message was saved
 770  */
 771 int entmsg(int is_reply, int c)
 772                         /* nonzero if this was a <R>eply command */
 773        {                /* */
 774         char buf[300];
 775         char cmd[256];
 776         int a,b;
 777         int need_recp = 0;
 778         int mode;
 779         long highmsg;
 780         FILE *fp;
 781
 782         if (c>0) mode=1;
 783         else mode=0;
 784
 785         sprintf(cmd,"ENT0 0||0|%d",mode);
 786         serv_puts(cmd);
 787         serv_gets(cmd);
 788
 789         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 790                 printf("%s\n",&cmd[4]);
 791                 return(1);
 792                 }
 793         need_recp = 0;
 794         if (!strncmp(cmd,"570",3)) need_recp = 1;
 795
 796         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 797
 798         strcpy(buf,"");
 799         if (need_recp==1) {
 800                 if (axlevel>=2) {
 801                         if (is_reply) {
 802                                 strcpy(buf,reply_to);
 803                                 }
 804                         else {
 805                                 printf("Enter recipient: ");
 806                                 getline(buf, 60);
 807                                 if (strlen(buf)==0) return(1);
 808                                 }
 809                         }
 810                 else strcpy(buf,"sysop");
 811                 }
 812
 813         b=0;
 814         if (room_flags&QR_ANONOPT) {
 815                 printf("Anonymous (Y/N)? ");
 816                 if (yesno()==1) b=1;
 817                 }
 818
 819 /* if it's mail, we've got to check the validity of the recipient... */
 820         if (strlen(buf)>0) {
 821                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 822                 serv_puts(cmd);
 823                 serv_gets(cmd);
 824                 if (cmd[0]!='2') {
 825                         printf("%s\n",&cmd[4]);
 826                         return(1);
 827                         }
 828                 }
 829
 830 /* learn the number of the newest message in in the room, so we can tell
 831  * upon saving whether someone else has posted too
 832  */
 833         num_msgs = 0;
 834         serv_puts("MSGS LAST|1");
 835         serv_gets(cmd);
 836         if (cmd[0]!='1') {
 837                 printf("%s\n",&cmd[5]);
 838                 }
 839         else {
 840                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 841                         msg_arr[num_msgs++] = atol(cmd);
 842                         }
 843                 }
 844
 845 /* now put together the message */
 846         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 847
 848 /* and send it to the server */
 849         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 850         serv_puts(cmd);
 851         serv_gets(cmd);
 852         if (cmd[0]!='4') {
 853                 printf("%s\n",&cmd[4]);
 854                 return(1);
 855                 }
 856         fp=fopen(temp,"r");
 857         if (fp!=NULL) {
 858                 transmit_message(fp);
 859                 fclose(fp);
 860                 }
 861         serv_puts("000");
 862         unlink(temp);
 863
 864         highmsg = msg_arr[num_msgs - 1];
 865         num_msgs = 0;
 866         serv_puts("MSGS NEW");
 867         serv_gets(cmd);
 868         if (cmd[0]!='1') {
 869                 printf("%s\n",&cmd[5]);
 870                 }
 871         else {
 872                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 873                         msg_arr[num_msgs++] = atol(cmd);
 874                         }
 875                 }
 876
 877         /* get new highest message number in room to set lrp for goto... */
 878         maxmsgnum = msg_arr[num_msgs - 1];
 879
 880         /* now see if anyone else has posted in here */
 881         b=(-1);
 882         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 883
 884         /* in the Mail> room, this algorithm always counts one message
 885          * higher than in public rooms, so we decrement it by one */
 886         if (need_recp) --b;
 887
 888         if (b==1) printf(
 889 "*** 1 additional message has been entered in this room by another user.\n");
 890         if (b>1) printf(
 891 "*** %d additional messages have been entered in this room by other users.\n",b);
 892
 893         return(0);
 894         }
 895
 896 void process_quote(void) {      /* do editing on quoted file */
 897 FILE *qfile,*tfile;
 898 char buf[128];
 899 int line,qstart,qend;
 900
 901         /* Unlink the second temp file as soon as it's opened, so it'll get
 902          * deleted even if the program dies
 903          */
 904         qfile = fopen(temp2,"r");
 905         unlink(temp2);
 906
 907         /* Display the quotable text with line numbers added */
 908         line = 0;
 909         fgets(buf,128,qfile);
 910         while (fgets(buf,128,qfile)!=NULL) {
 911                 printf("%2d %s",++line,buf);
 912                 }
 913         printf("Begin quoting at [ 1] : ");
 914         getline(buf,3);
 915         qstart = (buf[0]==0) ? (1) : atoi(buf);
 916         printf("  End quoting at [%d] : ",line);
 917         getline(buf,3);
 918         qend = (buf[0]==0) ? (line) : atoi(buf);
 919         rewind(qfile);
 920         line=0;
 921         fgets(buf,128,qfile);
 922         tfile=fopen(temp,"w");
 923         while(fgets(buf,128,qfile)!=NULL) {
 924                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 925                 }
 926         fprintf(tfile," \n");
 927         fclose(qfile);
 928         fclose(tfile);
 929         chmod(temp,0666);
 930         }
 931
 932
 933
 934 /*
 935  * List the URL's which were embedded in the previous message
 936  */
 937 void list_urls() {
 938         int i;
 939         char cmd[256];
 940
 941         if (num_urls == 0) {
 942                 printf("There were no URL's in the previous message.\n\n");
 943                 return;
 944         }
 945
 946         for (i=0; i<num_urls; ++i) {
 947                 printf("%3d %s\n", i+1, urls[i]);
 948         }
 949
 950         if((i = num_urls) != 1)
 951                 i = intprompt("Display which one", 1, 1, num_urls);
 952
 953         sprintf(cmd, rc_url_cmd, urls[i-1]);
 954         system(cmd);
 955         printf("\n");
 956 }
 957
 958
 959 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 960                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 961                 /* 1=Forward (-1)=Reverse */
 962                 /* Number of msgs to read (if c==3) */
 963         {
 964         int a,b,e,f,g,start;
 965         int hold_sw = 0;
 966         char arcflag = 0;
 967         char quotflag = 0;
 968         int hold_color = 0;
 969         char prtfile[PATH_MAX];
 970         char pagin;
 971         char cmd[256];
 972         char targ[ROOMNAMELEN];
 973         char filename[256];
 974
 975         signal(SIGINT,SIG_IGN);
 976         signal(SIGQUIT,SIG_IGN);
 977
 978         if (c<0) b=(MAXMSGS-1);
 979         else b=0;
 980
 981         sprintf(prtfile, tmpnam(NULL));
 982
 983         num_msgs = 0;
 984         strcpy(cmd,"MSGS ");
 985         switch(c) {
 986                 case 0: strcat(cmd,"ALL");
 987                         break;
 988                 case 1: strcat(cmd,"NEW");
 989                         break;
 990                 case 2: strcat(cmd,"OLD");
 991                         break;
 992                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 993                         break;
 994                 }
 995         serv_puts(cmd);
 996         serv_gets(cmd);
 997         if (cmd[0]!='1') {
 998                 printf("%s\n",&cmd[5]);
 999                 }
1000         else {
1001                 while (serv_gets(cmd), strcmp(cmd,"000")) {
1002                         if (num_msgs == MAXMSGS) {
1003                                 memcpy(&msg_arr[0], &msg_arr[1],
1004                                         (sizeof(long) * (MAXMSGS - 1)) );
1005                                 --num_msgs;
1006                                 }
1007                         msg_arr[num_msgs++] = atol(cmd);
1008                         }
1009                 }
1010
1011         lines_printed = 0;
1012
1013         /* this loop cycles through each message... */
1014         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1015         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1016                 while (msg_arr[a]==0L) {
1017                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1018                         }
1019
1020 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1021                         (userflags & US_PAGINATOR)) ? 1 : 0;
1022
1023         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1024                 if (quotflag) {
1025                         hold_sw = screenwidth;
1026                         screenwidth = 72;
1027                         }
1028
1029         /* If printing or archiving, set the screenwidth to 80 temporarily */
1030                 if (arcflag) {
1031                         hold_sw = screenwidth;
1032                         screenwidth = 80;
1033                         }
1034
1035         /* now read the message... */
1036                 e=read_message(msg_arr[a],pagin);
1037
1038         /* ...and set the screenwidth back if we have to */
1039                 if ((quotflag)||(arcflag)) {
1040                         screenwidth = hold_sw;
1041                         }
1042 RMSGREAD:       fflush(stdout);
1043                 highest_msg_read = msg_arr[a];
1044                 if (quotflag) {
1045                         freopen("/dev/tty","r+",stdout);
1046                         quotflag=0;
1047                         enable_color = hold_color;
1048                         process_quote();
1049                         }
1050                 if (arcflag) {
1051                         freopen("/dev/tty","r+",stdout);
1052                         arcflag=0;
1053                         enable_color = hold_color;
1054                         f=fork();
1055                         if (f==0) {
1056                                 freopen(prtfile, "r", stdin);
1057                                 sttybbs(SB_RESTORE);
1058                                 ka_system(printcmd);
1059                                 sttybbs(SB_NO_INTR);
1060                                 unlink(prtfile);
1061                                 exit(0);
1062                                 }
1063                         if (f>0) do {
1064                                 g=wait(NULL);
1065                                 } while((g!=f)&&(g>=0));
1066                         printf("Message printed.\n");
1067                         }
1068                 if (e==3) return;
1069                 if ( ((userflags&US_NOPROMPT)||(e==2))
1070                    && (((room_flags&QR_MAILBOX)==0)
1071                      ||(rc_force_mail_prompts==0))  ) {
1072                         e='n';
1073                         }
1074                 else {
1075                         color(DIM_WHITE);
1076                         printf("(");
1077                         color(BRIGHT_WHITE);
1078                         printf("%d",num_msgs-a-1);
1079                         color(DIM_WHITE);
1080                         printf(") ");
1081
1082                         if (is_mail==1) keyopt("<R>eply ");
1083                         keyopt("<B>ack <A>gain <Q>uote <N>ext <S>top ");
1084                         if (rc_url_cmd[0] && num_urls) keyopt("<U>RL View ");
1085                         keyopt("<?>Help/others -> ");
1086
1087                         do {
1088                                 lines_printed = 2;
1089                                 e=(inkey()&127); e=tolower(e);
1090 /* return key same as <N> */    if (e==13) e='n';
1091 /* space key same as <N> */     if (e==32) e='n';
1092 /* del/move for aides only */   if ((!is_room_aide)
1093                                     &&((room_flags&QR_MAILBOX)==0)) {
1094                                         if ((e=='d')||(e=='m')||(e=='c')) e=0;
1095                                         }
1096 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1097 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1098 /* can't file if not allowed */ if ((e=='f')&&(rc_allow_attachments==0)) e=0;
1099 /* link only if browser avail*/ if ((e=='u')&&(strlen(rc_url_cmd)==0)) e=0;
1100                                 } while((e!='a')&&(e!='n')&&(e!='s')
1101                                         &&(e!='d')&&(e!='m')&&(e!='p')
1102                                         &&(e!='q')&&(e!='b')&&(e!='h')
1103                                         &&(e!='r')&&(e!='f')&&(e!='?')
1104                                         &&(e!='u')&&(e!='c'));
1105                         switch(e) {
1106                                 case 's':       printf("Stop\r");       break;
1107                                 case 'a':       printf("Again\r");      break;
1108                                 case 'd':       printf("Delete\r");     break;
1109                                 case 'm':       printf("Move\r");       break;
1110                                 case 'c':       printf("Copy\r");       break;
1111                                 case 'n':       printf("Next\r");       break;
1112                                 case 'p':       printf("Print\r");      break;
1113                                 case 'q':       printf("Quote\r");      break;
1114                                 case 'b':       printf("Back\r");       break;
1115                                 case 'h':       printf("Header\r");     break;
1116                                 case 'r':       printf("Reply\r");      break;
1117                                 case 'f':       printf("File\r");       break;
1118                                 case 'u':       printf("URL's\r");      break;
1119                                 case '?':       printf("? <help>\r");   break;
1120                                 }
1121                         if (userflags & US_DISAPPEAR)
1122                                 printf("\r%79s\r","");
1123                         else
1124                                 printf("\n");
1125                         fflush(stdout);
1126                         }
1127                 switch(e) {
1128                    case '?':    printf("Options available here:\n");
1129                                 printf(" ?  Help (prints this message)\n");
1130                                 printf(" S  Stop reading immediately\n");
1131                                 printf(" A  Again (repeats last message)\n");
1132                                 printf(" N  Next (continue with next message)\n");
1133                                 printf(" B  Back (go back to previous message)\n");
1134                                 if ((is_room_aide)
1135                                     ||(room_flags&QR_MAILBOX)) {
1136                                         printf(" D  Delete this message\n");
1137                                         printf(" M  Move message to another room\n");
1138                                         printf(" C  Copy message to another room\n");
1139                                         }
1140                                 if (strlen(printcmd)>0)
1141                                         printf(" P  Print this message\n");
1142                                 printf(" Q  Quote portions of this message for your next post\n");
1143                                 printf(" H  Headers (display message headers only)\n");
1144                                 if (is_mail)
1145                                         printf(" R  Reply to this message\n");
1146                                 if (rc_allow_attachments)
1147                                         printf(" F  (save attachments to a file)\n");
1148                                 if (strlen(rc_url_cmd)>0)
1149                                         printf(" U  (list URL's for display)\n");
1150                                 printf("\n");
1151                                 goto RMSGREAD;
1152                    case 'p':    fflush(stdout);
1153                                 freopen(prtfile,"w",stdout);
1154                                 arcflag = 1;
1155                                 hold_color = enable_color;
1156                                 enable_color = 0;
1157                                 goto RAGAIN;
1158                    case 'q':    fflush(stdout);
1159                                 freopen(temp2,"w",stdout);
1160                                 quotflag = 1;
1161                                 hold_color = enable_color;
1162                                 enable_color = 0;
1163                                 goto RAGAIN;
1164                    case 's':    return;
1165                    case 'a':    goto RAGAIN;
1166                    case 'b':    a=a-(rdir*2);
1167                                 break;
1168                    case 'm':
1169                    case 'c':
1170                                 newprompt("Enter target room: ",
1171                                         targ,ROOMNAMELEN-1);
1172                                 if (strlen(targ)>0) {
1173                                         sprintf(cmd,"MOVE %ld|%s|%d",
1174                                                 msg_arr[a],targ,
1175                                                 (e=='c' ? 1 : 0) );
1176                                         serv_puts(cmd);
1177                                         serv_gets(cmd);
1178                                         printf("%s\n",&cmd[4]);
1179                                         if (cmd[0]=='2') msg_arr[a]=0L;
1180                                         }
1181                                 else {
1182                                         goto RMSGREAD;
1183                                         }
1184                                 if (cmd[0]!='2') goto RMSGREAD;
1185                                 break;
1186                    case 'f':    newprompt("Which section? ", filename,
1187                                         ((sizeof filename) -1));
1188                                 snprintf(cmd, sizeof cmd,
1189                                         "OPNA %ld|%s", msg_arr[a], filename);
1190                                 serv_puts(cmd);
1191                                 serv_gets(cmd);
1192                                 if (cmd[0]=='2') {
1193                                         extract(filename, &cmd[4], 2);
1194                                         download_to_local_disk(filename,
1195                                                 extract_int(&cmd[4], 0));
1196                                         }
1197                                 else {
1198                                         printf("%s\n",&cmd[4]);
1199                                         }
1200                                 goto RMSGREAD;
1201                    case 'd':    printf("*** Delete this message? ");
1202                                 if (yesno()==1) {
1203                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1204                                         serv_puts(cmd);
1205                                         serv_gets(cmd);
1206                                         printf("%s\n",&cmd[4]);
1207                                         if (cmd[0]=='2') msg_arr[a]=0L;
1208                                         }
1209                                 else {
1210                                         goto RMSGREAD;
1211                                         }
1212                                 break;
1213                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1214                                 goto RMSGREAD;
1215                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1216                                 goto RMSGREAD;
1217                    case 'u':    list_urls();
1218                                 goto RMSGREAD;
1219                         }
1220                 } /* end for loop */
1221         } /* end read routine */
1222
1223
1224
1225
1226 /*
1227  * View and edit a system message
1228  */
1229 void edit_system_message(char *which_message)
1230 {
1231         char desc[64];
1232         char read_cmd[64];
1233         char write_cmd[64];
1234
1235         sprintf(desc, "system message '%s'", which_message);
1236         sprintf(read_cmd, "MESG %s", which_message);
1237         sprintf(write_cmd, "EMSG %s", which_message);
1238         do_edit(desc, read_cmd, "NOOP", write_cmd);
1239         }
1240
1241
1242
1243
1244 /*
1245  * Verify the message base
1246  */
1247 void check_message_base(void) {
1248         char buf[256];
1249
1250         printf("Please read the documentation before running this command.\n");
1251         printf("Having done so, do you still want to check the message base? ");
1252         if (yesno()==0) return;
1253
1254         serv_puts("FSCK");
1255         serv_gets(buf);
1256         if (buf[0] != '1') {
1257                 printf("%s\n", &buf[4]);
1258                 return;
1259         }
1260
1261         while (serv_gets(buf), strcmp(buf, "000")) {
1262                 printf("%s\n", buf);
1263         }
1264 }