citadel/messages.c

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