citadel/messages.c

   1 /*
   2  * $Id$
   3  *
   4  * Citadel/UX message support routines
   5  * see copyright.txt for copyright information
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <sys/types.h>
  12 #include <fcntl.h>
  13 #include <stdio.h>
  14 #include <ctype.h>
  15 #include <string.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 <sys/time.h>
  22 #include <stdarg.h>
  23 #include "citadel.h"
  24 #include "messages.h"
  25 #include "commands.h"
  26 #include "rooms.h"
  27 #include "tools.h"
  28 #ifndef HAVE_SNPRINTF
  29 #include "snprintf.h"
  30 #endif
  31
  32 #define MAXWORDBUF 256
  33 #define MAXMSGS 512
  34
  35 struct cittext {
  36         struct cittext *next;
  37         char text[MAXWORDBUF];
  38         };
  39
  40 void sttybbs(int cmd);
  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 void ka_sigcatch(int signum) {
  79         char buf[256];
  80         alarm(S_KEEPALIVE);
  81         signal(SIGALRM, ka_sigcatch);
  82         serv_puts("NOOP");
  83         serv_gets(buf);
  84         }
  85
  86
  87 /*
  88  * server keep-alive version of wait() (needed for external editor)
  89  */
  90 pid_t ka_wait(int *kstatus)
  91 {
  92         pid_t p;
  93
  94         alarm(S_KEEPALIVE);
  95         signal(SIGALRM, ka_sigcatch);
  96         do {
  97                 errno = 0;
  98                 p = wait(kstatus);
  99                 } while (errno==EINTR);
 100         signal(SIGALRM,SIG_IGN);
 101         alarm(0);
 102         return(p);
 103         }
 104
 105
 106 /*
 107  * version of system() that uses ka_wait()
 108  */
 109 int ka_system(char *shc)
 110 {
 111         pid_t childpid;
 112         pid_t waitpid;
 113         int retcode;
 114
 115         childpid = fork();
 116         if (childpid < 0) {
 117                 color(BRIGHT_RED);
 118                 perror("Cannot fork");
 119                 color(DIM_WHITE);
 120                 return((pid_t)childpid);
 121                 }
 122
 123         if (childpid == 0) {
 124                 execlp("/bin/sh","sh","-c",shc,NULL);
 125                 exit(127);
 126                 }
 127
 128         if (childpid > 0) {
 129                 do {
 130                         waitpid = ka_wait(&retcode);
 131                         } while (waitpid != childpid);
 132                 return(retcode);
 133                 }
 134
 135         return(-1);
 136         }
 137
 138
 139
 140 /*
 141  * add a newline to the buffer...
 142  */
 143 void add_newline(struct cittext *textlist)
 144 {
 145         struct cittext *ptr;
 146
 147         ptr=textlist;
 148         while (ptr->next != NULL) ptr = ptr->next;
 149
 150         while (ptr->text[strlen(ptr->text)-1]==32)
 151                 ptr->text[strlen(ptr->text)-1] = 0;
 152         /* strcat(ptr->text,"\n"); */
 153
 154         ptr->next = (struct cittext *)
 155                 malloc(sizeof(struct cittext));
 156         ptr = ptr->next;
 157         ptr->next = NULL;
 158         strcpy(ptr->text,"");
 159         }
 160
 161
 162 /*
 163  * add a word to the buffer...
 164  */
 165 void add_word(struct cittext *textlist, char *wordbuf)
 166 {
 167         struct cittext *ptr;
 168
 169
 170         ptr=textlist;
 171         while (ptr->next != NULL) ptr = ptr->next;
 172
 173         if (3+strlen(ptr->text)+strlen(wordbuf) > screenwidth) {
 174                 ptr->next = (struct cittext *)
 175                         malloc(sizeof(struct cittext));
 176                 ptr = ptr->next;
 177                 ptr->next = NULL;
 178                 strcpy(ptr->text,"");
 179                 }
 180
 181         strcat(ptr->text,wordbuf);
 182         strcat(ptr->text," ");
 183         }
 184
 185
 186 /*
 187  * begin editing of an opened file pointed to by fp
 188  */
 189 void citedit(FILE *fp)
 190 {
 191         int a,prev,finished,b,last_space;
 192         int appending = 0;
 193         struct cittext *textlist = NULL;
 194         struct cittext *ptr;
 195         char wordbuf[MAXWORDBUF];
 196
 197         /* first, load the text into the buffer */
 198         fseek(fp, 0L, 0);
 199         textlist = (struct cittext *)malloc(sizeof(struct cittext));
 200         textlist->next = NULL;
 201         strcpy(textlist->text,"");
 202
 203         strcpy(wordbuf,"");
 204         prev = (-1);
 205         while (a=getc(fp), a>=0) {
 206                 appending = 1;
 207                 if ((a==32)||(a==9)||(a==13)||(a==10)) {
 208                         add_word(textlist,wordbuf);
 209                         strcpy(wordbuf,"");
 210                         if ((prev==13)||(prev==10)) {
 211                                 add_word(textlist,"\n");
 212                                 add_newline(textlist);
 213                                 add_word(textlist,"");
 214                         }
 215                 }
 216                 else {
 217                         wordbuf[strlen(wordbuf)+1] = 0;
 218                         wordbuf[strlen(wordbuf)] = a;
 219                 }
 220                 if (strlen(wordbuf)+3 > screenwidth) {
 221                         add_word(textlist,wordbuf);
 222                         strcpy(wordbuf,"");
 223                 }
 224                 prev = a;
 225         }
 226
 227         /* get text */
 228         finished = 0;
 229         prev = (appending ? 13 : (-1));
 230         strcpy(wordbuf,"");
 231         async_ka_start();
 232         do {
 233                 a=inkey();
 234                 if (a==10) a=13;
 235                 if (a==9) a=32;
 236                 if (a==127) a=8;
 237
 238
 239         /******* new ***********/
 240                 if ((a>32)&&(a<127)&&(prev==13)) {
 241                         add_word(textlist,"\n");
 242                         printf(" ");
 243                 }
 244         /***********************/
 245
 246                 if ((a==32)&&(prev==13)) {
 247                         add_word(textlist,"\n");
 248                         add_newline(textlist);
 249                 }
 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         } while (finished==0);
 306         async_ka_end();
 307
 308         /* write the buffer back to disk */
 309         fseek(fp, 0L, 0);
 310         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 311                 fprintf(fp,"%s",ptr->text);
 312                 }
 313         putc(10,fp);
 314         fflush(fp);
 315         ftruncate(fileno(fp), ftell(fp));
 316
 317         /* and deallocate the memory we used */
 318         while (textlist!=NULL) {
 319                 ptr=textlist->next;
 320                 free(textlist);
 321                 textlist=ptr;
 322         }
 323 }
 324
 325
 326 int read_message(long int num, char pagin) /* Read a message from the server */
 327                                            /* message number */
 328                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 329 {
 330         char buf[256];
 331         char m_subject[256];
 332         char from[256], node[256], rfca[256];
 333         char now[256];
 334         int format_type = 0;
 335         int fr = 0;
 336         int nhdr = 0;
 337
 338         sigcaught = 0;
 339         sttybbs(1);
 340
 341         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 342         serv_puts(buf);
 343         serv_gets(buf);
 344         if (buf[0]!='1') {
 345                 printf("*** msg #%ld: %s\n",num,buf);
 346                 ++lines_printed;
 347                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 348                 sttybbs(0);
 349                 return(0);
 350                 }
 351
 352         strcpy(m_subject,"");
 353         strcpy(reply_to, "nobody ... xxxxx");
 354         strcpy(from, "");
 355         strcpy(node, "");
 356         strcpy(rfca, "");
 357
 358         printf("\n");
 359         ++lines_printed;
 360         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 361         printf(" ");
 362         if (pagin == 1) color(BRIGHT_CYAN);
 363
 364         if (pagin==2) {
 365                 while(serv_gets(buf), strcmp(buf,"000")) {
 366                         if (buf[4]=='=') {
 367                                 printf("%s\n",buf);
 368                                 ++lines_printed;
 369                                 lines_printed =
 370                                         checkpagin(lines_printed,
 371                                                 pagin,screenheight);
 372                                 }
 373                         }
 374                 sttybbs(0);
 375                 return(0);
 376                 }
 377
 378         while(serv_gets(buf), strncasecmp(buf,"text",4)) {
 379                 if (!strncasecmp(buf,"nhdr=yes",8)) nhdr=1;
 380                 if (!strncasecmp(buf,"from=",5)) {
 381                         strcpy(from,&buf[5]);
 382                         }
 383                 if (nhdr==1) buf[0]='_';
 384                 if (!strncasecmp(buf,"type=",5))
 385                         format_type=atoi(&buf[5]);
 386                 if ((!strncasecmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 387                         color(DIM_WHITE);
 388                         printf("[");
 389                         color(BRIGHT_WHITE);
 390                         printf("#%s",&buf[5]);
 391                         color(DIM_WHITE);
 392                         printf("] ");
 393                         }
 394                 if (!strncasecmp(buf,"from=",5)) {
 395                         color(DIM_WHITE);
 396                         printf("from ");
 397                         color(BRIGHT_CYAN);
 398                         printf("%s ",&buf[5]);
 399                         }
 400                 if (!strncasecmp(buf,"subj=",5))
 401                         strcpy(m_subject,&buf[5]);
 402
 403                 if (!strncasecmp(buf,"rfca=",5)) {
 404                         safestrncpy(rfca, &buf[5], sizeof(rfca) - 5);
 405                         color(DIM_WHITE);
 406                         printf("<");
 407                         color(BRIGHT_BLUE);
 408                         printf("%s",&buf[5]);
 409                         color(DIM_WHITE);
 410                         printf("> ");
 411                         }
 412                 if ((!strncasecmp(buf,"hnod=",5))
 413                    && (strcasecmp(&buf[5],serv_info.serv_humannode))
 414                    && (strlen(rfca) == 0) ) {
 415                         color(DIM_WHITE);
 416                         printf("(");
 417                         color(BRIGHT_WHITE);
 418                         printf("%s",&buf[5]);
 419                         color(DIM_WHITE);
 420                         printf(") ");
 421                         }
 422                 if ((!strncasecmp(buf,"room=",5))
 423                    && (strcasecmp(&buf[5],room_name))
 424                    && (strlen(rfca) == 0)) {
 425                         color(DIM_WHITE);
 426                         printf("in ");
 427                         color(BRIGHT_MAGENTA);
 428                         printf("%s> ",&buf[5]);
 429                         }
 430
 431                 if (!strncasecmp(buf,"node=",5)) {
 432                         safestrncpy(node, &buf[5], sizeof(buf) - 5);
 433                         if ( (room_flags&QR_NETWORK)
 434                            || ((strcasecmp(&buf[5],serv_info.serv_nodename)
 435                            &&(strcasecmp(&buf[5],serv_info.serv_fqdn)))) )
 436                                 {
 437                                 if (strlen(rfca) == 0) {
 438                                         color(DIM_WHITE);
 439                                         printf("@");
 440                                         color(BRIGHT_YELLOW);
 441                                         printf("%s ",&buf[5]);
 442                                 }
 443                         }
 444                 }
 445
 446                 if (!strncasecmp(buf,"rcpt=",5)) {
 447                         color(DIM_WHITE);
 448                         printf("to ");
 449                         color(BRIGHT_CYAN);
 450                         printf("%s ",&buf[5]);
 451                         }
 452                 if (!strncasecmp(buf,"time=",5)) {
 453                         fmt_date(now, atol(&buf[5]));
 454                         printf("%s ", now);
 455                         }
 456                 }
 457
 458         if (nhdr==1) {
 459                 if (!is_room_aide) {
 460                         printf(" ****");
 461                         }
 462                 else {
 463                         printf(" %s",from);
 464                         }
 465                 }
 466         printf("\n");
 467
 468         if (strlen(rfca) > 0) {
 469                 strcpy(reply_to, rfca);
 470         }
 471         else {
 472                 snprintf(reply_to, sizeof(reply_to), "%s @ %s", from, node);
 473         }
 474
 475         if (pagin == 1) color(BRIGHT_WHITE);
 476         ++lines_printed;
 477         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 478
 479         if (strlen(m_subject)>0) {
 480                 printf("Subject: %s\n",m_subject);
 481                 ++lines_printed;
 482                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 483                 }
 484
 485         if (format_type == 0) {
 486                 fr=fmout(screenwidth,NULL,
 487                         ((pagin==1) ? 1 : 0),
 488                         screenheight,(-1),1);
 489                 }
 490         else {
 491                 while(serv_gets(buf), strcmp(buf,"000")) {
 492                         if (sigcaught==0) {
 493                                 printf("%s\n",buf);
 494                                 lines_printed = lines_printed + 1 +
 495                                         (strlen(buf)/screenwidth);
 496                                 lines_printed =
 497                                         checkpagin(lines_printed,pagin,screenheight);
 498                                 }
 499                         }
 500                 fr = sigcaught;
 501                 }
 502         printf("\n");
 503         ++lines_printed;
 504         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 505
 506         if (pagin == 1) color(DIM_WHITE);
 507         sttybbs(0);
 508         return(fr);
 509         }
 510
 511 /*
 512  * replace string function for the built-in editor
 513  */
 514 void replace_string(char *filename, long int startpos)
 515 {
 516         char buf[512];
 517         char srch_str[128];
 518         char rplc_str[128];
 519         FILE *fp;
 520         int a;
 521         long rpos,wpos;
 522         char *ptr;
 523         int substitutions = 0;
 524         long msglen = 0L;
 525
 526         printf("Enter text to be replaced:\n: ");
 527         getline(srch_str,128);
 528         if (strlen(srch_str)==0) return;
 529
 530         printf("Enter text to replace it with:\n: ");
 531         getline(rplc_str,128);
 532
 533         fp=fopen(filename,"r+");
 534         if (fp==NULL) return;
 535
 536         wpos=startpos;
 537         fseek(fp,startpos,0);
 538         strcpy(buf,"");
 539         while (a=getc(fp), a>0) {
 540                 ++msglen;
 541                 buf[strlen(buf)+1] = 0;
 542                 buf[strlen(buf)] = a;
 543                 if ( strlen(buf) >= strlen(srch_str) ) {
 544                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 545                         if (!strncasecmp(ptr,srch_str,strlen(srch_str))) {
 546                                 strcpy(ptr,rplc_str);
 547                                 ++substitutions;
 548                                 }
 549                         }
 550                 if (strlen(buf)>384) {
 551                         rpos=ftell(fp);
 552                         fseek(fp,wpos,0);
 553                         fwrite((char *)buf,128,1,fp);
 554                         strcpy(buf,&buf[128]);
 555                         wpos = ftell(fp);
 556                         fseek(fp,rpos,0);
 557                         }
 558                 }
 559         fseek(fp,wpos,0);
 560         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 561         wpos = ftell(fp);
 562         fclose(fp);
 563         truncate(filename, wpos);
 564         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 565         }
 566
 567
 568 int make_message(char *filename,        /* temporary file name */
 569                 char *recipient,        /* NULL if it's not mail */
 570                 int anon_type,          /* see MES_ types in header file */
 571                 int format_type,
 572                 int mode)
 573 {
 574         FILE *fp;
 575         int a,b,e_ex_code;
 576         long beg;
 577         char datestr[64];
 578         int cksum = 0;
 579
 580         if (mode==2) if (strlen(editor_path)==0) {
 581                 printf("*** No editor available, using built-in editor\n");
 582                 mode=0;
 583                 }
 584
 585         fmt_date(datestr, time(NULL));
 586
 587         if (room_flags & QR_ANONONLY) {
 588                 printf(" ****");
 589                 }
 590         else {
 591                 printf(" %s from %s",datestr,fullname);
 592                 if (strlen(recipient)>0) printf(" to %s",recipient);
 593                 }
 594         printf("\n");
 595
 596         beg = 0L;
 597
 598         if (mode==1) printf("(Press ctrl-d when finished)\n");
 599         if (mode==0) {
 600                 fp=fopen(filename,"r");
 601                 if (fp!=NULL) {
 602                         fmout(screenwidth,fp,0,screenheight,0,0);
 603                         beg = ftell(fp);
 604                         fclose(fp);
 605                         }
 606                 else {
 607                         fp=fopen(filename,"w");
 608                         fclose(fp);
 609                         }
 610                 }
 611
 612 ME1:    switch(mode) {
 613
 614            case 0:
 615                 fp=fopen(filename,"r+");
 616                 citedit(fp);
 617                 fclose(fp);
 618                 goto MECR;
 619
 620            case 1:
 621                 fp=fopen(filename,"w");
 622                 do {
 623                         a=inkey(); if (a==255) a=32;
 624                         if (a==13) a=10;
 625                         if (a!=4) {
 626                                 putc(a,fp);
 627                                 putc(a,stdout);
 628                                 }
 629                         if (a==10) putc(13,stdout);
 630                         } while(a!=4);
 631                 fclose(fp);
 632                 break;
 633
 634            case 2:
 635                 e_ex_code = 1;  /* start with a failed exit code */
 636                 editor_pid=fork();
 637                 cksum = file_checksum(filename);
 638                 if (editor_pid==0) {
 639                         chmod(filename,0600);
 640                         sttybbs(SB_RESTORE);
 641                         execlp(editor_path,editor_path,filename,NULL);
 642                         exit(1);
 643                         }
 644                 if (editor_pid>0) do {
 645                         e_ex_code = 0;
 646                         b=ka_wait(&e_ex_code);
 647                         } while((b!=editor_pid)&&(b>=0));
 648                 editor_pid = (-1);
 649                 sttybbs(0);
 650                 break;
 651                 }
 652
 653 MECR:   if (mode==2) {
 654                 if (file_checksum(filename) == cksum) {
 655                         printf("*** Aborted message.\n");
 656                         e_ex_code = 1;
 657                         }
 658                 if (e_ex_code==0) goto MEFIN;
 659                 goto MEABT2;
 660                 }
 661
 662         b = keymenu("Entry command (? for options)",
 663                 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
 664                 "<R>eplace string|<H>old message");
 665
 666         if (b=='a') goto MEABT;
 667         if (b=='c') goto ME1;
 668         if (b=='s') goto MEFIN;
 669         if (b=='p') {
 670                 printf(" %s from %s",datestr,fullname);
 671                 if (strlen(recipient)>0) printf(" to %s",recipient);
 672                 printf("\n");
 673                 fp=fopen(filename,"r");
 674                 if (fp!=NULL) {
 675                         fmout(screenwidth,fp,
 676                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 677                                 screenheight,0,0);
 678                         beg = ftell(fp);
 679                         fclose(fp);
 680                         }
 681                 goto MECR;
 682                 }
 683         if (b=='r') {
 684                 replace_string(filename,0L);
 685                 goto MECR;
 686                 }
 687         if (b=='h') {
 688                 return(2);
 689                 }
 690
 691 MEFIN:  return(0);
 692
 693 MEABT:  printf("Are you sure? ");
 694         if (yesno()==0) goto ME1;
 695 MEABT2: unlink(filename);
 696         return(2);
 697         }
 698
 699 /*
 700  * transmit message text to the server
 701  */
 702 void transmit_message(FILE *fp)
 703 {
 704         char buf[256];
 705         int ch,a;
 706         long msglen;
 707         time_t lasttick;
 708
 709         fseek(fp, 0L, SEEK_END);
 710         msglen = ftell(fp);
 711         rewind(fp);
 712         lasttick = time(NULL);
 713         strcpy(buf,"");
 714         while (ch=getc(fp), (ch>=0)) {
 715                 if (ch==10) {
 716                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 717                         serv_puts(buf);
 718                         strcpy(buf,"");
 719                         }
 720                 else {
 721                         a = strlen(buf);
 722                         buf[a+1] = 0;
 723                         buf[a] = ch;
 724                         if ((ch==32)&&(strlen(buf)>200)) {
 725                                 buf[a]=0;
 726                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 727                                 serv_puts(buf);
 728                                 strcpy(buf,"");
 729                                 }
 730                         if (strlen(buf)>250) {
 731                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 732                                 serv_puts(buf);
 733                                 strcpy(buf,"");
 734                                 }
 735                         }
 736
 737                 if ( (time(NULL) - lasttick) > 2L ) {
 738                         printf(" %3ld%% completed\r",
 739                                 ((ftell(fp) * 100L) / msglen) );
 740                         fflush(stdout);
 741                         lasttick = time(NULL);
 742                         }
 743
 744                 }
 745         serv_puts(buf);
 746         printf("                \r");
 747         fflush(stdout);
 748         }
 749
 750
 751
 752 /*
 753  * entmsg()  -  edit and create a message
 754  *              returns 0 if message was saved
 755  */
 756 int entmsg(int is_reply, int c)
 757                         /* nonzero if this was a <R>eply command */
 758        {                /* */
 759         char buf[300];
 760         char cmd[256];
 761         int a,b;
 762         int need_recp = 0;
 763         int mode;
 764         long highmsg;
 765         FILE *fp;
 766
 767         if (c>0) mode=1;
 768         else mode=0;
 769
 770         sprintf(cmd,"ENT0 0||0|%d",mode);
 771         serv_puts(cmd);
 772         serv_gets(cmd);
 773
 774         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 775                 printf("%s\n",&cmd[4]);
 776                 return(1);
 777                 }
 778         need_recp = 0;
 779         if (!strncmp(cmd,"570",3)) need_recp = 1;
 780
 781         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 782
 783         strcpy(buf,"");
 784         if (need_recp==1) {
 785                 if (axlevel>=2) {
 786                         if (is_reply) {
 787                                 strcpy(buf,reply_to);
 788                                 }
 789                         else {
 790                                 printf("Enter recipient: ");
 791                                 getline(buf, 60);
 792                                 if (strlen(buf)==0) return(1);
 793                                 }
 794                         }
 795                 else strcpy(buf,"sysop");
 796                 }
 797
 798         b=0;
 799         if (room_flags&QR_ANONOPT) {
 800                 printf("Anonymous (Y/N)? ");
 801                 if (yesno()==1) b=1;
 802                 }
 803
 804 /* if it's mail, we've got to check the validity of the recipient... */
 805         if (strlen(buf)>0) {
 806                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 807                 serv_puts(cmd);
 808                 serv_gets(cmd);
 809                 if (cmd[0]!='2') {
 810                         printf("%s\n",&cmd[4]);
 811                         return(1);
 812                         }
 813                 }
 814
 815 /* learn the number of the newest message in in the room, so we can tell
 816  * upon saving whether someone else has posted too
 817  */
 818         num_msgs = 0;
 819         serv_puts("MSGS LAST|1");
 820         serv_gets(cmd);
 821         if (cmd[0]!='1') {
 822                 printf("%s\n",&cmd[5]);
 823                 }
 824         else {
 825                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 826                         msg_arr[num_msgs++] = atol(cmd);
 827                         }
 828                 }
 829
 830 /* now put together the message */
 831         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 832
 833 /* and send it to the server */
 834         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 835         serv_puts(cmd);
 836         serv_gets(cmd);
 837         if (cmd[0]!='4') {
 838                 printf("%s\n",&cmd[4]);
 839                 return(1);
 840                 }
 841         fp=fopen(temp,"r");
 842         if (fp!=NULL) {
 843                 transmit_message(fp);
 844                 fclose(fp);
 845                 }
 846         serv_puts("000");
 847         unlink(temp);
 848
 849         highmsg = msg_arr[num_msgs - 1];
 850         num_msgs = 0;
 851         serv_puts("MSGS NEW");
 852         serv_gets(cmd);
 853         if (cmd[0]!='1') {
 854                 printf("%s\n",&cmd[5]);
 855                 }
 856         else {
 857                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 858                         msg_arr[num_msgs++] = atol(cmd);
 859                         }
 860                 }
 861
 862         /* get new highest message number in room to set lrp for goto... */
 863         maxmsgnum = msg_arr[num_msgs - 1];
 864
 865         /* now see if anyone else has posted in here */
 866         b=(-1);
 867         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 868
 869         /* in the Mail> room, this algorithm always counts one message
 870          * higher than in public rooms, so we decrement it by one */
 871         if (need_recp) --b;
 872
 873         if (b==1) printf(
 874 "*** 1 additional message has been entered in this room by another user.\n");
 875         if (b>1) printf(
 876 "*** %d additional messages have been entered in this room by other users.\n",b);
 877
 878         return(0);
 879         }
 880
 881 void process_quote(void) {      /* do editing on quoted file */
 882 FILE *qfile,*tfile;
 883 char buf[128];
 884 int line,qstart,qend;
 885
 886         /* Unlink the second temp file as soon as it's opened, so it'll get
 887          * deleted even if the program dies
 888          */
 889         qfile = fopen(temp2,"r");
 890         unlink(temp2);
 891
 892         /* Display the quotable text with line numbers added */
 893         line = 0;
 894         fgets(buf,128,qfile);
 895         while (fgets(buf,128,qfile)!=NULL) {
 896                 printf("%2d %s",++line,buf);
 897                 }
 898         printf("Begin quoting at [ 1] : ");
 899         getline(buf,3);
 900         qstart = (buf[0]==0) ? (1) : atoi(buf);
 901         printf("  End quoting at [%d] : ",line);
 902         getline(buf,3);
 903         qend = (buf[0]==0) ? (line) : atoi(buf);
 904         rewind(qfile);
 905         line=0;
 906         fgets(buf,128,qfile);
 907         tfile=fopen(temp,"w");
 908         while(fgets(buf,128,qfile)!=NULL) {
 909                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 910                 }
 911         fprintf(tfile," \n");
 912         fclose(qfile);
 913         fclose(tfile);
 914         chmod(temp,0666);
 915         }
 916
 917
 918
 919 /*
 920  * List the URL's which were embedded in the previous message
 921  */
 922 void list_urls() {
 923         int i;
 924         char cmd[256];
 925
 926         if (num_urls == 0) {
 927                 printf("There were no URL's in the previous message.\n\n");
 928                 return;
 929         }
 930
 931         for (i=0; i<num_urls; ++i) {
 932                 printf("%3d %s\n", i+1, urls[i]);
 933         }
 934
 935         if((i = num_urls) != 1)
 936                 i = intprompt("Display which one", 1, 1, num_urls);
 937
 938         sprintf(cmd, rc_url_cmd, urls[i-1]);
 939         system(cmd);
 940         printf("\n");
 941 }
 942
 943
 944 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 945                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 946                 /* 1=Forward (-1)=Reverse */
 947                 /* Number of msgs to read (if c==3) */
 948         {
 949         int a,b,e,f,g,start;
 950         int hold_sw = 0;
 951         char arcflag = 0;
 952         char quotflag = 0;
 953         int hold_color = 0;
 954         char prtfile[PATH_MAX];
 955         char pagin;
 956         char cmd[256];
 957         char targ[ROOMNAMELEN];
 958         char filename[256];
 959
 960         signal(SIGINT,SIG_IGN);
 961         signal(SIGQUIT,SIG_IGN);
 962
 963         if (c<0) b=(MAXMSGS-1);
 964         else b=0;
 965
 966         sprintf(prtfile, tmpnam(NULL));
 967
 968         num_msgs = 0;
 969         strcpy(cmd,"MSGS ");
 970         switch(c) {
 971                 case 0: strcat(cmd,"ALL");
 972                         break;
 973                 case 1: strcat(cmd,"NEW");
 974                         break;
 975                 case 2: strcat(cmd,"OLD");
 976                         break;
 977                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 978                         break;
 979                 }
 980         serv_puts(cmd);
 981         serv_gets(cmd);
 982         if (cmd[0]!='1') {
 983                 printf("%s\n",&cmd[5]);
 984                 }
 985         else {
 986                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 987                         if (num_msgs == MAXMSGS) {
 988                                 memcpy(&msg_arr[0], &msg_arr[1],
 989                                         (sizeof(long) * (MAXMSGS - 1)) );
 990                                 --num_msgs;
 991                                 }
 992                         msg_arr[num_msgs++] = atol(cmd);
 993                         }
 994                 }
 995
 996         lines_printed = 0;
 997
 998         /* this loop cycles through each message... */
 999         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1000         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1001                 while (msg_arr[a]==0L) {
1002                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1003                         }
1004
1005 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1006                         (userflags & US_PAGINATOR)) ? 1 : 0;
1007
1008         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1009                 if (quotflag) {
1010                         hold_sw = screenwidth;
1011                         screenwidth = 72;
1012                         }
1013
1014         /* If printing or archiving, set the screenwidth to 80 temporarily */
1015                 if (arcflag) {
1016                         hold_sw = screenwidth;
1017                         screenwidth = 80;
1018                         }
1019
1020         /* now read the message... */
1021                 e=read_message(msg_arr[a],pagin);
1022
1023         /* ...and set the screenwidth back if we have to */
1024                 if ((quotflag)||(arcflag)) {
1025                         screenwidth = hold_sw;
1026                         }
1027 RMSGREAD:       fflush(stdout);
1028                 highest_msg_read = msg_arr[a];
1029                 if (quotflag) {
1030                         freopen("/dev/tty","r+",stdout);
1031                         quotflag=0;
1032                         enable_color = hold_color;
1033                         process_quote();
1034                         }
1035                 if (arcflag) {
1036                         freopen("/dev/tty","r+",stdout);
1037                         arcflag=0;
1038                         enable_color = hold_color;
1039                         f=fork();
1040                         if (f==0) {
1041                                 freopen(prtfile, "r", stdin);
1042                                 sttybbs(SB_RESTORE);
1043                                 ka_system(printcmd);
1044                                 sttybbs(SB_NO_INTR);
1045                                 unlink(prtfile);
1046                                 exit(0);
1047                                 }
1048                         if (f>0) do {
1049                                 g=wait(NULL);
1050                                 } while((g!=f)&&(g>=0));
1051                         printf("Message printed.\n");
1052                         }
1053                 if (e==3) return;
1054                 if ( ((userflags&US_NOPROMPT)||(e==2))
1055                    && (((room_flags&QR_MAILBOX)==0)
1056                      ||(rc_force_mail_prompts==0))  ) {
1057                         e='n';
1058                         }
1059                 else {
1060                         color(DIM_WHITE);
1061                         printf("(");
1062                         color(BRIGHT_WHITE);
1063                         printf("%d",num_msgs-a-1);
1064                         color(DIM_WHITE);
1065                         printf(") ");
1066
1067                         keyopt("<B>ack <A>gain <Q>uote <R>eply <N>ext <S>top ");
1068                         if (rc_url_cmd[0] && num_urls) keyopt("<U>RL View ");
1069                         keyopt("<?>Help/others -> ");
1070
1071                         do {
1072                                 lines_printed = 2;
1073                                 e=(inkey()&127); e=tolower(e);
1074 /* return key same as <N> */    if (e==13) e='n';
1075 /* space key same as <N> */     if (e==32) e='n';
1076 /* del/move for aides only */   if ((!is_room_aide)
1077                                     &&((room_flags&QR_MAILBOX)==0)) {
1078                                         if ((e=='d')||(e=='m')||(e=='c')) e=0;
1079                                         }
1080 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1081 /* can't file if not allowed */ if ((e=='f')&&(rc_allow_attachments==0)) e=0;
1082 /* link only if browser avail*/ if ((e=='u')&&(strlen(rc_url_cmd)==0)) e=0;
1083                                 } while((e!='a')&&(e!='n')&&(e!='s')
1084                                         &&(e!='d')&&(e!='m')&&(e!='p')
1085                                         &&(e!='q')&&(e!='b')&&(e!='h')
1086                                         &&(e!='r')&&(e!='f')&&(e!='?')
1087                                         &&(e!='u')&&(e!='c'));
1088                         switch(e) {
1089                                 case 's':       printf("Stop\r");       break;
1090                                 case 'a':       printf("Again\r");      break;
1091                                 case 'd':       printf("Delete\r");     break;
1092                                 case 'm':       printf("Move\r");       break;
1093                                 case 'c':       printf("Copy\r");       break;
1094                                 case 'n':       printf("Next\r");       break;
1095                                 case 'p':       printf("Print\r");      break;
1096                                 case 'q':       printf("Quote\r");      break;
1097                                 case 'b':       printf("Back\r");       break;
1098                                 case 'h':       printf("Header\r");     break;
1099                                 case 'r':       printf("Reply\r");      break;
1100                                 case 'f':       printf("File\r");       break;
1101                                 case 'u':       printf("URL's\r");      break;
1102                                 case '?':       printf("? <help>\r");   break;
1103                                 }
1104                         if (userflags & US_DISAPPEAR)
1105                                 printf("\r%79s\r","");
1106                         else
1107                                 printf("\n");
1108                         fflush(stdout);
1109                         }
1110                 switch(e) {
1111                    case '?':    printf("Options available here:\n");
1112                                 printf(" ?  Help (prints this message)\n");
1113                                 printf(" S  Stop reading immediately\n");
1114                                 printf(" A  Again (repeats last message)\n");
1115                                 printf(" N  Next (continue with next message)\n");
1116                                 printf(" B  Back (go back to previous message)\n");
1117                                 if ((is_room_aide)
1118                                     ||(room_flags&QR_MAILBOX)) {
1119                                         printf(" D  Delete this message\n");
1120                                         printf(" M  Move message to another room\n");
1121                                         printf(" C  Copy message to another room\n");
1122                                         }
1123                                 if (strlen(printcmd)>0)
1124                                         printf(" P  Print this message\n");
1125                                 printf(" Q  Quote portions of this message for your next post\n");
1126                                 printf(" H  Headers (display message headers only)\n");
1127                                 if (is_mail)
1128                                         printf(" R  Reply to this message\n");
1129                                 if (rc_allow_attachments)
1130                                         printf(" F  (save attachments to a file)\n");
1131                                 if (strlen(rc_url_cmd)>0)
1132                                         printf(" U  (list URL's for display)\n");
1133                                 printf("\n");
1134                                 goto RMSGREAD;
1135                    case 'p':    fflush(stdout);
1136                                 freopen(prtfile,"w",stdout);
1137                                 arcflag = 1;
1138                                 hold_color = enable_color;
1139                                 enable_color = 0;
1140                                 goto RAGAIN;
1141                    case 'q':    fflush(stdout);
1142                                 freopen(temp2,"w",stdout);
1143                                 quotflag = 1;
1144                                 hold_color = enable_color;
1145                                 enable_color = 0;
1146                                 goto RAGAIN;
1147                    case 's':    return;
1148                    case 'a':    goto RAGAIN;
1149                    case 'b':    a=a-(rdir*2);
1150                                 break;
1151                    case 'm':
1152                    case 'c':
1153                                 newprompt("Enter target room: ",
1154                                         targ,ROOMNAMELEN-1);
1155                                 if (strlen(targ)>0) {
1156                                         sprintf(cmd,"MOVE %ld|%s|%d",
1157                                                 msg_arr[a],targ,
1158                                                 (e=='c' ? 1 : 0) );
1159                                         serv_puts(cmd);
1160                                         serv_gets(cmd);
1161                                         printf("%s\n",&cmd[4]);
1162                                         if (cmd[0]=='2') msg_arr[a]=0L;
1163                                         }
1164                                 else {
1165                                         goto RMSGREAD;
1166                                         }
1167                                 if (cmd[0]!='2') goto RMSGREAD;
1168                                 break;
1169                    case 'f':    newprompt("Which section? ", filename,
1170                                         ((sizeof filename) -1));
1171                                 snprintf(cmd, sizeof cmd,
1172                                         "OPNA %ld|%s", msg_arr[a], filename);
1173                                 serv_puts(cmd);
1174                                 serv_gets(cmd);
1175                                 if (cmd[0]=='2') {
1176                                         extract(filename, &cmd[4], 2);
1177                                         download_to_local_disk(filename,
1178                                                 extract_int(&cmd[4], 0));
1179                                         }
1180                                 else {
1181                                         printf("%s\n",&cmd[4]);
1182                                         }
1183                                 goto RMSGREAD;
1184                    case 'd':    printf("*** Delete this message? ");
1185                                 if (yesno()==1) {
1186                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1187                                         serv_puts(cmd);
1188                                         serv_gets(cmd);
1189                                         printf("%s\n",&cmd[4]);
1190                                         if (cmd[0]=='2') msg_arr[a]=0L;
1191                                         }
1192                                 else {
1193                                         goto RMSGREAD;
1194                                         }
1195                                 break;
1196                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1197                                 goto RMSGREAD;
1198                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1199                                 goto RMSGREAD;
1200                    case 'u':    list_urls();
1201                                 goto RMSGREAD;
1202                         }
1203                 } /* end for loop */
1204         } /* end read routine */
1205
1206
1207
1208
1209 /*
1210  * View and edit a system message
1211  */
1212 void edit_system_message(char *which_message)
1213 {
1214         char desc[64];
1215         char read_cmd[64];
1216         char write_cmd[64];
1217
1218         sprintf(desc, "system message '%s'", which_message);
1219         sprintf(read_cmd, "MESG %s", which_message);
1220         sprintf(write_cmd, "EMSG %s", which_message);
1221         do_edit(desc, read_cmd, "NOOP", write_cmd);
1222         }
1223
1224
1225
1226
1227 /*
1228  * Verify the message base
1229  */
1230 void check_message_base(void) {
1231         char buf[256];
1232
1233         printf("Please read the documentation before running this command.\n");
1234         printf("Having done so, do you still want to check the message base? ");
1235         if (yesno()==0) return;
1236
1237         serv_puts("FSCK");
1238         serv_gets(buf);
1239         if (buf[0] != '1') {
1240                 printf("%s\n", &buf[4]);
1241                 return;
1242         }
1243
1244         while (serv_gets(buf), strcmp(buf, "000")) {
1245                 printf("%s\n", buf);
1246         }
1247 }