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