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 <signal.h>
  16 #include <errno.h>
  17 #include <limits.h>
  18 #include <sys/wait.h>
  19 #include <sys/stat.h>
  20 #include <sys/time.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
 199         /* first, load the text into the buffer */
 200         fseek(fp, 0L, 0);
 201         textlist = (struct cittext *)malloc(sizeof(struct cittext));
 202         textlist->next = NULL;
 203         strcpy(textlist->text,"");
 204
 205         strcpy(wordbuf,"");
 206         prev = (-1);
 207         while (a=getc(fp), a>=0) {
 208                 appending = 1;
 209                 if ((a==32)||(a==9)||(a==13)||(a==10)) {
 210                         add_word(textlist,wordbuf);
 211                         strcpy(wordbuf,"");
 212                         if ((prev==13)||(prev==10)) {
 213                                 add_word(textlist,"\n");
 214                                 add_newline(textlist);
 215                                 add_word(textlist,"");
 216                         }
 217                 }
 218                 else {
 219                         wordbuf[strlen(wordbuf)+1] = 0;
 220                         wordbuf[strlen(wordbuf)] = a;
 221                 }
 222                 if (strlen(wordbuf)+3 > screenwidth) {
 223                         add_word(textlist,wordbuf);
 224                         strcpy(wordbuf,"");
 225                 }
 226                 prev = a;
 227         }
 228
 229         /* get text */
 230         finished = 0;
 231         prev = (appending ? 13 : (-1));
 232         strcpy(wordbuf,"");
 233         async_ka_start();
 234         do {
 235                 a=inkey();
 236                 if (a==10) a=13;
 237                 if (a==9) a=32;
 238                 if (a==127) a=8;
 239
 240
 241         /******* new ***********/
 242                 if ((a>32)&&(a<127)&&(prev==13)) {
 243                         add_word(textlist,"\n");
 244                         printf(" ");
 245                 }
 246         /***********************/
 247
 248                 if ((a==32)&&(prev==13)) {
 249                         add_word(textlist,"\n");
 250                         add_newline(textlist);
 251                 }
 252
 253                 if (a==8) {
 254                         if (strlen(wordbuf)>0) {
 255                                 wordbuf[strlen(wordbuf)-1] = 0;
 256                                 putc(8,stdout);
 257                                 putc(32,stdout);
 258                                 putc(8,stdout);
 259                         }
 260                 }
 261                 else if (a==13) {
 262                         printf("\n");
 263                         if (strlen(wordbuf)==0) finished = 1;
 264                         else {
 265                                 for (b=0; b<strlen(wordbuf); ++b)
 266                                    if (wordbuf[b]==32) {
 267                                         wordbuf[b]=0;
 268                                         add_word(textlist,wordbuf);
 269                                         strcpy(wordbuf,&wordbuf[b+1]);
 270                                         b=0;
 271                                 }
 272                                 add_word(textlist,wordbuf);
 273                                 strcpy(wordbuf,"");
 274                         }
 275                 }
 276                 else {
 277                         putc(a,stdout);
 278                         wordbuf[strlen(wordbuf)+1] = 0;
 279                         wordbuf[strlen(wordbuf)] = a;
 280                 }
 281                 if ((strlen(wordbuf)+3) > screenwidth) {
 282                         last_space = (-1);
 283                         for (b=0; b<strlen(wordbuf); ++b)
 284                                 if (wordbuf[b]==32) last_space = b;
 285                         if (last_space>=0) {
 286                                 for (b=0; b<strlen(wordbuf); ++b)
 287                                    if (wordbuf[b]==32) {
 288                                         wordbuf[b]=0;
 289                                         add_word(textlist,wordbuf);
 290                                         strcpy(wordbuf,&wordbuf[b+1]);
 291                                         b=0;
 292                                 }
 293                                 for (b=0; b<strlen(wordbuf); ++b) {
 294                                         putc(8,stdout);
 295                                         putc(32,stdout);
 296                                         putc(8,stdout);
 297                                 }
 298                                 printf("\n%s",wordbuf);
 299                         }
 300                         else {
 301                                 add_word(textlist,wordbuf);
 302                                 strcpy(wordbuf,"");
 303                                 printf("\n");
 304                         }
 305                 }
 306                 prev = a;
 307         } while (finished==0);
 308         async_ka_end();
 309
 310         /* write the buffer back to disk */
 311         fseek(fp, 0L, 0);
 312         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 313                 fprintf(fp,"%s",ptr->text);
 314                 }
 315         putc(10,fp);
 316         fflush(fp);
 317         ftruncate(fileno(fp), ftell(fp));
 318
 319         /* and deallocate the memory we used */
 320         while (textlist!=NULL) {
 321                 ptr=textlist->next;
 322                 free(textlist);
 323                 textlist=ptr;
 324         }
 325 }
 326
 327
 328 int read_message(long int num, char pagin) /* Read a message from the server */
 329                                            /* message number */
 330                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 331 {
 332         char buf[256];
 333         char m_subject[256];
 334         char from[256], node[256], rfca[256];
 335         char now[256];
 336         int format_type = 0;
 337         int fr = 0;
 338         int nhdr = 0;
 339
 340         sigcaught = 0;
 341         sttybbs(1);
 342
 343         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 344         serv_puts(buf);
 345         serv_gets(buf);
 346         if (buf[0]!='1') {
 347                 printf("*** msg #%ld: %s\n",num,buf);
 348                 ++lines_printed;
 349                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 350                 sttybbs(0);
 351                 return(0);
 352                 }
 353
 354         strcpy(m_subject,"");
 355         strcpy(reply_to, "nobody ... xxxxx");
 356         strcpy(from, "");
 357         strcpy(node, "");
 358         strcpy(rfca, "");
 359
 360         printf("\n");
 361         ++lines_printed;
 362         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 363         printf(" ");
 364         if (pagin == 1) color(BRIGHT_CYAN);
 365
 366         if (pagin==2) {
 367                 while(serv_gets(buf), strcmp(buf,"000")) {
 368                         if (buf[4]=='=') {
 369                                 printf("%s\n",buf);
 370                                 ++lines_printed;
 371                                 lines_printed =
 372                                         checkpagin(lines_printed,
 373                                                 pagin,screenheight);
 374                                 }
 375                         }
 376                 sttybbs(0);
 377                 return(0);
 378                 }
 379
 380         while(serv_gets(buf), struncmp(buf,"text",4)) {
 381                 if (!struncmp(buf,"nhdr=yes",8)) nhdr=1;
 382                 if (!struncmp(buf,"from=",5)) {
 383                         strcpy(from,&buf[5]);
 384                         }
 385                 if (nhdr==1) buf[0]='_';
 386                 if (!struncmp(buf,"type=",5))
 387                         format_type=atoi(&buf[5]);
 388                 if ((!struncmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 389                         color(DIM_WHITE);
 390                         printf("[");
 391                         color(BRIGHT_WHITE);
 392                         printf("#%s",&buf[5]);
 393                         color(DIM_WHITE);
 394                         printf("] ");
 395                         }
 396                 if (!struncmp(buf,"from=",5)) {
 397                         color(DIM_WHITE);
 398                         printf("from ");
 399                         color(BRIGHT_CYAN);
 400                         printf("%s ",&buf[5]);
 401                         }
 402                 if (!struncmp(buf,"subj=",5))
 403                         strcpy(m_subject,&buf[5]);
 404
 405                 if (!struncmp(buf,"rfca=",5)) {
 406                         safestrncpy(rfca, &buf[5], sizeof(rfca) - 5);
 407                         color(DIM_WHITE);
 408                         printf("<");
 409                         color(BRIGHT_BLUE);
 410                         printf("%s",&buf[5]);
 411                         color(DIM_WHITE);
 412                         printf("> ");
 413                         }
 414                 if ((!struncmp(buf,"hnod=",5))
 415                    && (strucmp(&buf[5],serv_info.serv_humannode))
 416                    && (strlen(rfca) == 0) ) {
 417                         color(DIM_WHITE);
 418                         printf("(");
 419                         color(BRIGHT_WHITE);
 420                         printf("%s",&buf[5]);
 421                         color(DIM_WHITE);
 422                         printf(") ");
 423                         }
 424                 if ((!struncmp(buf,"room=",5))
 425                    && (strucmp(&buf[5],room_name))
 426                    && (strlen(rfca) == 0)) {
 427                         color(DIM_WHITE);
 428                         printf("in ");
 429                         color(BRIGHT_MAGENTA);
 430                         printf("%s> ",&buf[5]);
 431                         }
 432
 433                 if (!struncmp(buf,"node=",5)) {
 434                         safestrncpy(node, &buf[5], sizeof(buf) - 5);
 435                         if ( (room_flags&QR_NETWORK)
 436                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 437                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))) )
 438                                 {
 439                                 if (strlen(rfca) == 0) {
 440                                         color(DIM_WHITE);
 441                                         printf("@");
 442                                         color(BRIGHT_YELLOW);
 443                                         printf("%s ",&buf[5]);
 444                                 }
 445                         }
 446                 }
 447
 448                 if (!struncmp(buf,"rcpt=",5)) {
 449                         color(DIM_WHITE);
 450                         printf("to ");
 451                         color(BRIGHT_CYAN);
 452                         printf("%s ",&buf[5]);
 453                         }
 454                 if (!struncmp(buf,"time=",5)) {
 455                         fmt_date(now, atol(&buf[5]));
 456                         printf("%s ", now);
 457                         }
 458                 }
 459
 460         if (nhdr==1) {
 461                 if (!is_room_aide) {
 462                         printf(" ****");
 463                         }
 464                 else {
 465                         printf(" %s",from);
 466                         }
 467                 }
 468         printf("\n");
 469
 470         if (strlen(rfca) > 0) {
 471                 strcpy(reply_to, rfca);
 472         }
 473         else {
 474                 snprintf(reply_to, sizeof(reply_to), "%s @ %s", from, node);
 475         }
 476
 477         if (pagin == 1) color(BRIGHT_WHITE);
 478         ++lines_printed;
 479         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 480
 481         if (strlen(m_subject)>0) {
 482                 printf("Subject: %s\n",m_subject);
 483                 ++lines_printed;
 484                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 485                 }
 486
 487         if (format_type == 0) {
 488                 fr=fmout(screenwidth,NULL,
 489                         ((pagin==1) ? 1 : 0),
 490                         screenheight,(-1),1);
 491                 }
 492         else {
 493                 while(serv_gets(buf), strcmp(buf,"000")) {
 494                         if (sigcaught==0) {
 495                                 printf("%s\n",buf);
 496                                 lines_printed = lines_printed + 1 +
 497                                         (strlen(buf)/screenwidth);
 498                                 lines_printed =
 499                                         checkpagin(lines_printed,pagin,screenheight);
 500                                 }
 501                         }
 502                 fr = sigcaught;
 503                 }
 504         printf("\n");
 505         ++lines_printed;
 506         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 507
 508         if (pagin == 1) color(DIM_WHITE);
 509         sttybbs(0);
 510         return(fr);
 511         }
 512
 513 /*
 514  * replace string function for the built-in editor
 515  */
 516 void replace_string(char *filename, long int startpos)
 517 {
 518         char buf[512];
 519         char srch_str[128];
 520         char rplc_str[128];
 521         FILE *fp;
 522         int a;
 523         long rpos,wpos;
 524         char *ptr;
 525         int substitutions = 0;
 526         long msglen = 0L;
 527
 528         printf("Enter text to be replaced:\n: ");
 529         getline(srch_str,128);
 530         if (strlen(srch_str)==0) return;
 531
 532         printf("Enter text to replace it with:\n: ");
 533         getline(rplc_str,128);
 534
 535         fp=fopen(filename,"r+");
 536         if (fp==NULL) return;
 537
 538         wpos=startpos;
 539         fseek(fp,startpos,0);
 540         strcpy(buf,"");
 541         while (a=getc(fp), a>0) {
 542                 ++msglen;
 543                 buf[strlen(buf)+1] = 0;
 544                 buf[strlen(buf)] = a;
 545                 if ( strlen(buf) >= strlen(srch_str) ) {
 546                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 547                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 548                                 strcpy(ptr,rplc_str);
 549                                 ++substitutions;
 550                                 }
 551                         }
 552                 if (strlen(buf)>384) {
 553                         rpos=ftell(fp);
 554                         fseek(fp,wpos,0);
 555                         fwrite((char *)buf,128,1,fp);
 556                         strcpy(buf,&buf[128]);
 557                         wpos = ftell(fp);
 558                         fseek(fp,rpos,0);
 559                         }
 560                 }
 561         fseek(fp,wpos,0);
 562         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 563         wpos = ftell(fp);
 564         fclose(fp);
 565         truncate(filename, wpos);
 566         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 567         }
 568
 569
 570 int make_message(char *filename,        /* temporary file name */
 571                 char *recipient,        /* NULL if it's not mail */
 572                 int anon_type,          /* see MES_ types in header file */
 573                 int format_type,
 574                 int mode)
 575 {
 576         FILE *fp;
 577         int a,b,e_ex_code;
 578         long beg;
 579         char datestr[64];
 580         int cksum = 0;
 581
 582         if (mode==2) if (strlen(editor_path)==0) {
 583                 printf("*** No editor available, using built-in editor\n");
 584                 mode=0;
 585                 }
 586
 587         fmt_date(datestr, time(NULL));
 588
 589         if (room_flags & QR_ANONONLY) {
 590                 printf(" ****");
 591                 }
 592         else {
 593                 printf(" %s from %s",datestr,fullname);
 594                 if (strlen(recipient)>0) printf(" to %s",recipient);
 595                 }
 596         printf("\n");
 597
 598         beg = 0L;
 599
 600         if (mode==1) printf("(Press ctrl-d when finished)\n");
 601         if (mode==0) {
 602                 fp=fopen(filename,"r");
 603                 if (fp!=NULL) {
 604                         fmout(screenwidth,fp,0,screenheight,0,0);
 605                         beg = ftell(fp);
 606                         fclose(fp);
 607                         }
 608                 else {
 609                         fp=fopen(filename,"w");
 610                         fclose(fp);
 611                         }
 612                 }
 613
 614 ME1:    switch(mode) {
 615
 616            case 0:
 617                 fp=fopen(filename,"r+");
 618                 citedit(fp);
 619                 fclose(fp);
 620                 goto MECR;
 621
 622            case 1:
 623                 fp=fopen(filename,"w");
 624                 do {
 625                         a=inkey(); if (a==255) a=32;
 626                         if (a==13) a=10;
 627                         if (a!=4) {
 628                                 putc(a,fp);
 629                                 putc(a,stdout);
 630                                 }
 631                         if (a==10) putc(13,stdout);
 632                         } while(a!=4);
 633                 fclose(fp);
 634                 break;
 635
 636            case 2:
 637                 e_ex_code = 1;  /* start with a failed exit code */
 638                 editor_pid=fork();
 639                 cksum = file_checksum(filename);
 640                 if (editor_pid==0) {
 641                         chmod(filename,0600);
 642                         sttybbs(SB_RESTORE);
 643                         execlp(editor_path,editor_path,filename,NULL);
 644                         exit(1);
 645                         }
 646                 if (editor_pid>0) do {
 647                         e_ex_code = 0;
 648                         b=ka_wait(&e_ex_code);
 649                         } while((b!=editor_pid)&&(b>=0));
 650                 editor_pid = (-1);
 651                 sttybbs(0);
 652                 break;
 653                 }
 654
 655 MECR:   if (mode==2) {
 656                 if (file_checksum(filename) == cksum) {
 657                         printf("*** Aborted message.\n");
 658                         e_ex_code = 1;
 659                         }
 660                 if (e_ex_code==0) goto MEFIN;
 661                 goto MEABT2;
 662                 }
 663
 664         b = keymenu("Entry command (? for options)",
 665                 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
 666                 "<R>eplace string|<H>old message");
 667
 668         if (b=='a') goto MEABT;
 669         if (b=='c') goto ME1;
 670         if (b=='s') goto MEFIN;
 671         if (b=='p') {
 672                 printf(" %s from %s",datestr,fullname);
 673                 if (strlen(recipient)>0) printf(" to %s",recipient);
 674                 printf("\n");
 675                 fp=fopen(filename,"r");
 676                 if (fp!=NULL) {
 677                         fmout(screenwidth,fp,
 678                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 679                                 screenheight,0,0);
 680                         beg = ftell(fp);
 681                         fclose(fp);
 682                         }
 683                 goto MECR;
 684                 }
 685         if (b=='r') {
 686                 replace_string(filename,0L);
 687                 goto MECR;
 688                 }
 689         if (b=='h') {
 690                 return(2);
 691                 }
 692
 693 MEFIN:  return(0);
 694
 695 MEABT:  printf("Are you sure? ");
 696         if (yesno()==0) goto ME1;
 697 MEABT2: unlink(filename);
 698         return(2);
 699         }
 700
 701 /*
 702  * transmit message text to the server
 703  */
 704 void transmit_message(FILE *fp)
 705 {
 706         char buf[256];
 707         int ch,a;
 708         long msglen;
 709         time_t lasttick;
 710
 711         fseek(fp, 0L, SEEK_END);
 712         msglen = ftell(fp);
 713         rewind(fp);
 714         lasttick = time(NULL);
 715         strcpy(buf,"");
 716         while (ch=getc(fp), (ch>=0)) {
 717                 if (ch==10) {
 718                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 719                         serv_puts(buf);
 720                         strcpy(buf,"");
 721                         }
 722                 else {
 723                         a = strlen(buf);
 724                         buf[a+1] = 0;
 725                         buf[a] = ch;
 726                         if ((ch==32)&&(strlen(buf)>200)) {
 727                                 buf[a]=0;
 728                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 729                                 serv_puts(buf);
 730                                 strcpy(buf,"");
 731                                 }
 732                         if (strlen(buf)>250) {
 733                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 734                                 serv_puts(buf);
 735                                 strcpy(buf,"");
 736                                 }
 737                         }
 738
 739                 if ( (time(NULL) - lasttick) > 2L ) {
 740                         printf(" %3ld%% completed\r",
 741                                 ((ftell(fp) * 100L) / msglen) );
 742                         fflush(stdout);
 743                         lasttick = time(NULL);
 744                         }
 745
 746                 }
 747         serv_puts(buf);
 748         printf("                \r");
 749         fflush(stdout);
 750         }
 751
 752
 753
 754 /*
 755  * entmsg()  -  edit and create a message
 756  *              returns 0 if message was saved
 757  */
 758 int entmsg(int is_reply, int c)
 759                         /* nonzero if this was a <R>eply command */
 760        {                /* */
 761         char buf[300];
 762         char cmd[256];
 763         int a,b;
 764         int need_recp = 0;
 765         int mode;
 766         long highmsg;
 767         FILE *fp;
 768
 769         if (c>0) mode=1;
 770         else mode=0;
 771
 772         sprintf(cmd,"ENT0 0||0|%d",mode);
 773         serv_puts(cmd);
 774         serv_gets(cmd);
 775
 776         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 777                 printf("%s\n",&cmd[4]);
 778                 return(1);
 779                 }
 780         need_recp = 0;
 781         if (!strncmp(cmd,"570",3)) need_recp = 1;
 782
 783         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 784
 785         strcpy(buf,"");
 786         if (need_recp==1) {
 787                 if (axlevel>=2) {
 788                         if (is_reply) {
 789                                 strcpy(buf,reply_to);
 790                                 }
 791                         else {
 792                                 printf("Enter recipient: ");
 793                                 getline(buf, 60);
 794                                 if (strlen(buf)==0) return(1);
 795                                 }
 796                         }
 797                 else strcpy(buf,"sysop");
 798                 }
 799
 800         b=0;
 801         if (room_flags&QR_ANONOPT) {
 802                 printf("Anonymous (Y/N)? ");
 803                 if (yesno()==1) b=1;
 804                 }
 805
 806 /* if it's mail, we've got to check the validity of the recipient... */
 807         if (strlen(buf)>0) {
 808                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 809                 serv_puts(cmd);
 810                 serv_gets(cmd);
 811                 if (cmd[0]!='2') {
 812                         printf("%s\n",&cmd[4]);
 813                         return(1);
 814                         }
 815                 }
 816
 817 /* learn the number of the newest message in in the room, so we can tell
 818  * upon saving whether someone else has posted too
 819  */
 820         num_msgs = 0;
 821         serv_puts("MSGS LAST|1");
 822         serv_gets(cmd);
 823         if (cmd[0]!='1') {
 824                 printf("%s\n",&cmd[5]);
 825                 }
 826         else {
 827                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 828                         msg_arr[num_msgs++] = atol(cmd);
 829                         }
 830                 }
 831
 832 /* now put together the message */
 833         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 834
 835 /* and send it to the server */
 836         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 837         serv_puts(cmd);
 838         serv_gets(cmd);
 839         if (cmd[0]!='4') {
 840                 printf("%s\n",&cmd[4]);
 841                 return(1);
 842                 }
 843         fp=fopen(temp,"r");
 844         if (fp!=NULL) {
 845                 transmit_message(fp);
 846                 fclose(fp);
 847                 }
 848         serv_puts("000");
 849         unlink(temp);
 850
 851         highmsg = msg_arr[num_msgs - 1];
 852         num_msgs = 0;
 853         serv_puts("MSGS NEW");
 854         serv_gets(cmd);
 855         if (cmd[0]!='1') {
 856                 printf("%s\n",&cmd[5]);
 857                 }
 858         else {
 859                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 860                         msg_arr[num_msgs++] = atol(cmd);
 861                         }
 862                 }
 863
 864         /* get new highest message number in room to set lrp for goto... */
 865         maxmsgnum = msg_arr[num_msgs - 1];
 866
 867         /* now see if anyone else has posted in here */
 868         b=(-1);
 869         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 870
 871         /* in the Mail> room, this algorithm always counts one message
 872          * higher than in public rooms, so we decrement it by one */
 873         if (need_recp) --b;
 874
 875         if (b==1) printf(
 876 "*** 1 additional message has been entered in this room by another user.\n");
 877         if (b>1) printf(
 878 "*** %d additional messages have been entered in this room by other users.\n",b);
 879
 880         return(0);
 881         }
 882
 883 void process_quote(void) {      /* do editing on quoted file */
 884 FILE *qfile,*tfile;
 885 char buf[128];
 886 int line,qstart,qend;
 887
 888         /* Unlink the second temp file as soon as it's opened, so it'll get
 889          * deleted even if the program dies
 890          */
 891         qfile = fopen(temp2,"r");
 892         unlink(temp2);
 893
 894         /* Display the quotable text with line numbers added */
 895         line = 0;
 896         fgets(buf,128,qfile);
 897         while (fgets(buf,128,qfile)!=NULL) {
 898                 printf("%2d %s",++line,buf);
 899                 }
 900         printf("Begin quoting at [ 1] : ");
 901         getline(buf,3);
 902         qstart = (buf[0]==0) ? (1) : atoi(buf);
 903         printf("  End quoting at [%d] : ",line);
 904         getline(buf,3);
 905         qend = (buf[0]==0) ? (line) : atoi(buf);
 906         rewind(qfile);
 907         line=0;
 908         fgets(buf,128,qfile);
 909         tfile=fopen(temp,"w");
 910         while(fgets(buf,128,qfile)!=NULL) {
 911                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 912                 }
 913         fprintf(tfile," \n");
 914         fclose(qfile);
 915         fclose(tfile);
 916         chmod(temp,0666);
 917         }
 918
 919
 920
 921 /*
 922  * List the URL's which were embedded in the previous message
 923  */
 924 void list_urls() {
 925         int i;
 926         char cmd[256];
 927
 928         if (num_urls == 0) {
 929                 printf("There were no URL's in the previous message.\n\n");
 930                 return;
 931         }
 932
 933         for (i=0; i<num_urls; ++i) {
 934                 printf("%3d %s\n", i+1, urls[i]);
 935         }
 936
 937         if((i = num_urls) != 1)
 938                 i = intprompt("Display which one", 1, 1, num_urls);
 939
 940         sprintf(cmd, rc_url_cmd, urls[i-1]);
 941         system(cmd);
 942         printf("\n");
 943 }
 944
 945
 946 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 947                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 948                 /* 1=Forward (-1)=Reverse */
 949                 /* Number of msgs to read (if c==3) */
 950         {
 951         int a,b,e,f,g,start;
 952         int hold_sw = 0;
 953         char arcflag = 0;
 954         char quotflag = 0;
 955         int hold_color = 0;
 956         char prtfile[PATH_MAX];
 957         char pagin;
 958         char cmd[256];
 959         char targ[ROOMNAMELEN];
 960         char filename[256];
 961
 962         signal(SIGINT,SIG_IGN);
 963         signal(SIGQUIT,SIG_IGN);
 964
 965         if (c<0) b=(MAXMSGS-1);
 966         else b=0;
 967
 968         sprintf(prtfile, tmpnam(NULL));
 969
 970         num_msgs = 0;
 971         strcpy(cmd,"MSGS ");
 972         switch(c) {
 973                 case 0: strcat(cmd,"ALL");
 974                         break;
 975                 case 1: strcat(cmd,"NEW");
 976                         break;
 977                 case 2: strcat(cmd,"OLD");
 978                         break;
 979                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 980                         break;
 981                 }
 982         serv_puts(cmd);
 983         serv_gets(cmd);
 984         if (cmd[0]!='1') {
 985                 printf("%s\n",&cmd[5]);
 986                 }
 987         else {
 988                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 989                         if (num_msgs == MAXMSGS) {
 990                                 memcpy(&msg_arr[0], &msg_arr[1],
 991                                         (sizeof(long) * (MAXMSGS - 1)) );
 992                                 --num_msgs;
 993                                 }
 994                         msg_arr[num_msgs++] = atol(cmd);
 995                         }
 996                 }
 997
 998         lines_printed = 0;
 999
1000         /* this loop cycles through each message... */
1001         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1002         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1003                 while (msg_arr[a]==0L) {
1004                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1005                         }
1006
1007 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1008                         (userflags & US_PAGINATOR)) ? 1 : 0;
1009
1010         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1011                 if (quotflag) {
1012                         hold_sw = screenwidth;
1013                         screenwidth = 72;
1014                         }
1015
1016         /* If printing or archiving, set the screenwidth to 80 temporarily */
1017                 if (arcflag) {
1018                         hold_sw = screenwidth;
1019                         screenwidth = 80;
1020                         }
1021
1022         /* now read the message... */
1023                 e=read_message(msg_arr[a],pagin);
1024
1025         /* ...and set the screenwidth back if we have to */
1026                 if ((quotflag)||(arcflag)) {
1027                         screenwidth = hold_sw;
1028                         }
1029 RMSGREAD:       fflush(stdout);
1030                 highest_msg_read = msg_arr[a];
1031                 if (quotflag) {
1032                         freopen("/dev/tty","r+",stdout);
1033                         quotflag=0;
1034                         enable_color = hold_color;
1035                         process_quote();
1036                         }
1037                 if (arcflag) {
1038                         freopen("/dev/tty","r+",stdout);
1039                         arcflag=0;
1040                         enable_color = hold_color;
1041                         f=fork();
1042                         if (f==0) {
1043                                 freopen(prtfile, "r", stdin);
1044                                 sttybbs(SB_RESTORE);
1045                                 ka_system(printcmd);
1046                                 sttybbs(SB_NO_INTR);
1047                                 unlink(prtfile);
1048                                 exit(0);
1049                                 }
1050                         if (f>0) do {
1051                                 g=wait(NULL);
1052                                 } while((g!=f)&&(g>=0));
1053                         printf("Message printed.\n");
1054                         }
1055                 if (e==3) return;
1056                 if ( ((userflags&US_NOPROMPT)||(e==2))
1057                    && (((room_flags&QR_MAILBOX)==0)
1058                      ||(rc_force_mail_prompts==0))  ) {
1059                         e='n';
1060                         }
1061                 else {
1062                         color(DIM_WHITE);
1063                         printf("(");
1064                         color(BRIGHT_WHITE);
1065                         printf("%d",num_msgs-a-1);
1066                         color(DIM_WHITE);
1067                         printf(") ");
1068
1069                         if (is_mail==1) keyopt("<R>eply ");
1070                         keyopt("<B>ack <A>gain <Q>uote <N>ext <S>top ");
1071                         if (rc_url_cmd[0] && num_urls) keyopt("<U>RL View ");
1072                         keyopt("<?>Help/others -> ");
1073
1074                         do {
1075                                 lines_printed = 2;
1076                                 e=(inkey()&127); e=tolower(e);
1077 /* return key same as <N> */    if (e==13) e='n';
1078 /* space key same as <N> */     if (e==32) e='n';
1079 /* del/move for aides only */   if ((!is_room_aide)
1080                                     &&((room_flags&QR_MAILBOX)==0)) {
1081                                         if ((e=='d')||(e=='m')||(e=='c')) e=0;
1082                                         }
1083 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1084 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1085 /* can't file if not allowed */ if ((e=='f')&&(rc_allow_attachments==0)) e=0;
1086 /* link only if browser avail*/ if ((e=='u')&&(strlen(rc_url_cmd)==0)) e=0;
1087                                 } while((e!='a')&&(e!='n')&&(e!='s')
1088                                         &&(e!='d')&&(e!='m')&&(e!='p')
1089                                         &&(e!='q')&&(e!='b')&&(e!='h')
1090                                         &&(e!='r')&&(e!='f')&&(e!='?')
1091                                         &&(e!='u')&&(e!='c'));
1092                         switch(e) {
1093                                 case 's':       printf("Stop\r");       break;
1094                                 case 'a':       printf("Again\r");      break;
1095                                 case 'd':       printf("Delete\r");     break;
1096                                 case 'm':       printf("Move\r");       break;
1097                                 case 'c':       printf("Copy\r");       break;
1098                                 case 'n':       printf("Next\r");       break;
1099                                 case 'p':       printf("Print\r");      break;
1100                                 case 'q':       printf("Quote\r");      break;
1101                                 case 'b':       printf("Back\r");       break;
1102                                 case 'h':       printf("Header\r");     break;
1103                                 case 'r':       printf("Reply\r");      break;
1104                                 case 'f':       printf("File\r");       break;
1105                                 case 'u':       printf("URL's\r");      break;
1106                                 case '?':       printf("? <help>\r");   break;
1107                                 }
1108                         if (userflags & US_DISAPPEAR)
1109                                 printf("\r%79s\r","");
1110                         else
1111                                 printf("\n");
1112                         fflush(stdout);
1113                         }
1114                 switch(e) {
1115                    case '?':    printf("Options available here:\n");
1116                                 printf(" ?  Help (prints this message)\n");
1117                                 printf(" S  Stop reading immediately\n");
1118                                 printf(" A  Again (repeats last message)\n");
1119                                 printf(" N  Next (continue with next message)\n");
1120                                 printf(" B  Back (go back to previous message)\n");
1121                                 if ((is_room_aide)
1122                                     ||(room_flags&QR_MAILBOX)) {
1123                                         printf(" D  Delete this message\n");
1124                                         printf(" M  Move message to another room\n");
1125                                         printf(" C  Copy message to another room\n");
1126                                         }
1127                                 if (strlen(printcmd)>0)
1128                                         printf(" P  Print this message\n");
1129                                 printf(" Q  Quote portions of this message for your next post\n");
1130                                 printf(" H  Headers (display message headers only)\n");
1131                                 if (is_mail)
1132                                         printf(" R  Reply to this message\n");
1133                                 if (rc_allow_attachments)
1134                                         printf(" F  (save attachments to a file)\n");
1135                                 if (strlen(rc_url_cmd)>0)
1136                                         printf(" U  (list URL's for display)\n");
1137                                 printf("\n");
1138                                 goto RMSGREAD;
1139                    case 'p':    fflush(stdout);
1140                                 freopen(prtfile,"w",stdout);
1141                                 arcflag = 1;
1142                                 hold_color = enable_color;
1143                                 enable_color = 0;
1144                                 goto RAGAIN;
1145                    case 'q':    fflush(stdout);
1146                                 freopen(temp2,"w",stdout);
1147                                 quotflag = 1;
1148                                 hold_color = enable_color;
1149                                 enable_color = 0;
1150                                 goto RAGAIN;
1151                    case 's':    return;
1152                    case 'a':    goto RAGAIN;
1153                    case 'b':    a=a-(rdir*2);
1154                                 break;
1155                    case 'm':
1156                    case 'c':
1157                                 newprompt("Enter target room: ",
1158                                         targ,ROOMNAMELEN-1);
1159                                 if (strlen(targ)>0) {
1160                                         sprintf(cmd,"MOVE %ld|%s|%d",
1161                                                 msg_arr[a],targ,
1162                                                 (e=='c' ? 1 : 0) );
1163                                         serv_puts(cmd);
1164                                         serv_gets(cmd);
1165                                         printf("%s\n",&cmd[4]);
1166                                         if (cmd[0]=='2') msg_arr[a]=0L;
1167                                         }
1168                                 else {
1169                                         goto RMSGREAD;
1170                                         }
1171                                 if (cmd[0]!='2') goto RMSGREAD;
1172                                 break;
1173                    case 'f':    newprompt("Which section? ", filename,
1174                                         ((sizeof filename) -1));
1175                                 snprintf(cmd, sizeof cmd,
1176                                         "OPNA %ld|%s", msg_arr[a], filename);
1177                                 serv_puts(cmd);
1178                                 serv_gets(cmd);
1179                                 if (cmd[0]=='2') {
1180                                         extract(filename, &cmd[4], 2);
1181                                         download_to_local_disk(filename,
1182                                                 extract_int(&cmd[4], 0));
1183                                         }
1184                                 else {
1185                                         printf("%s\n",&cmd[4]);
1186                                         }
1187                                 goto RMSGREAD;
1188                    case 'd':    printf("*** Delete this message? ");
1189                                 if (yesno()==1) {
1190                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1191                                         serv_puts(cmd);
1192                                         serv_gets(cmd);
1193                                         printf("%s\n",&cmd[4]);
1194                                         if (cmd[0]=='2') msg_arr[a]=0L;
1195                                         }
1196                                 else {
1197                                         goto RMSGREAD;
1198                                         }
1199                                 break;
1200                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1201                                 goto RMSGREAD;
1202                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1203                                 goto RMSGREAD;
1204                    case 'u':    list_urls();
1205                                 goto RMSGREAD;
1206                         }
1207                 } /* end for loop */
1208         } /* end read routine */
1209
1210
1211
1212
1213 /*
1214  * View and edit a system message
1215  */
1216 void edit_system_message(char *which_message)
1217 {
1218         char desc[64];
1219         char read_cmd[64];
1220         char write_cmd[64];
1221
1222         sprintf(desc, "system message '%s'", which_message);
1223         sprintf(read_cmd, "MESG %s", which_message);
1224         sprintf(write_cmd, "EMSG %s", which_message);
1225         do_edit(desc, read_cmd, "NOOP", write_cmd);
1226         }
1227
1228
1229
1230
1231 /*
1232  * Verify the message base
1233  */
1234 void check_message_base(void) {
1235         char buf[256];
1236
1237         printf("Please read the documentation before running this command.\n");
1238         printf("Having done so, do you still want to check the message base? ");
1239         if (yesno()==0) return;
1240
1241         serv_puts("FSCK");
1242         serv_gets(buf);
1243         if (buf[0] != '1') {
1244                 printf("%s\n", &buf[4]);
1245                 return;
1246         }
1247
1248         while (serv_gets(buf), strcmp(buf, "000")) {
1249                 printf("%s\n", buf);
1250         }
1251 }