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(int *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
 593            case 1:
 594                 fp=fopen(filename,"w");
 595                 do {
 596                         a=inkey(); if (a==255) a=32;
 597                         if (a==13) a=10;
 598                         if (a!=4) {
 599                                 putc(a,fp);
 600                                 putc(a,stdout);
 601                                 }
 602                         if (a==10) putc(13,stdout);
 603                         } while(a!=4);
 604                 fclose(fp);
 605                 break;
 606
 607            case 2:
 608                 e_ex_code = 1;  /* start with a failed exit code */
 609                 editor_pid=fork();
 610                 cksum = file_checksum(filename);
 611                 if (editor_pid==0) {
 612                         chmod(filename,0600);
 613                         sttybbs(SB_RESTORE);
 614                         execlp(editor_path,editor_path,filename,NULL);
 615                         exit(1);
 616                         }
 617                 if (editor_pid>0) do {
 618                         e_ex_code = 0;
 619                         b=ka_wait(&e_ex_code);
 620                         } while((b!=editor_pid)&&(b>=0));
 621                 editor_pid = (-1);
 622                 sttybbs(0);
 623                 break;
 624                 }
 625
 626 MECR:   if (mode==2) {
 627                 if (file_checksum(filename) == cksum) {
 628                         printf("*** Aborted message.\n");
 629                         e_ex_code = 1;
 630                         }
 631                 if (e_ex_code==0) goto MEFIN;
 632                 goto MEABT2;
 633                 }
 634 MECR1:  printf("Entry cmd (? for options) -> ");
 635 MECR2:  b=inkey();
 636         if (b==NEXT_KEY) b='n';
 637         if (b==STOP_KEY) b='s';
 638         b=(b&127); b=tolower(b);
 639         if (b=='?') {
 640                 printf("Help\n");
 641                 formout("saveopt");
 642                 goto MECR1;
 643                 }
 644         if (b=='a') { printf("Abort\n");        goto MEABT;     }
 645         if (b=='c') { printf("Continue\n");     goto ME1;       }
 646         if (b=='s') { printf("Save message\n"); goto MEFIN;     }
 647         if (b=='p') {
 648                 printf("Print formatted\n");
 649                 printf(" %s from %s",datestr,fullname);
 650                 if (strlen(recipient)>0) printf(" to %s",recipient);
 651                 printf("\n");
 652                 fp=fopen(filename,"r");
 653                 if (fp!=NULL) {
 654                         fmout(screenwidth,fp,
 655                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 656                                 screenheight,0,0);
 657                         beg = ftell(fp);
 658                         fclose(fp);
 659                         }
 660                 goto MECR;
 661                 }
 662         if (b=='r') {
 663                 printf("Replace string\n");
 664                 replace_string(filename,0L);
 665                 goto MECR;
 666                 }
 667         if (b=='h') {
 668                 printf("Hold message\n");
 669                 return(2);
 670                 }
 671         goto MECR2;
 672
 673 MEFIN:  return(0);
 674
 675 MEABT:  printf("Are you sure? ");
 676         if (yesno()==0) goto ME1;
 677 MEABT2: unlink(filename);
 678         return(2);
 679         }
 680
 681 /*
 682  * transmit message text to the server
 683  */
 684 void transmit_message(FILE *fp)
 685 {
 686         char buf[256];
 687         int ch,a;
 688
 689         strcpy(buf,"");
 690         while (ch=getc(fp), (ch>=0)) {
 691                 if (ch==10) {
 692                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 693                         serv_puts(buf);
 694                         strcpy(buf,"");
 695                         }
 696                 else {
 697                         a = strlen(buf);
 698                         buf[a+1] = 0;
 699                         buf[a] = ch;
 700                         if ((ch==32)&&(strlen(buf)>200)) {
 701                                 buf[a]=0;
 702                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 703                                 serv_puts(buf);
 704                                 strcpy(buf,"");
 705                                 }
 706                         if (strlen(buf)>250) {
 707                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 708                                 serv_puts(buf);
 709                                 strcpy(buf,"");
 710                                 }
 711                         }
 712                 }
 713         serv_puts(buf);
 714         }
 715
 716
 717
 718 /*
 719  * entmsg()  -  edit and create a message
 720  *              returns 0 if message was saved
 721  */
 722 int entmsg(int is_reply, int c)
 723                         /* nonzero if this was a <R>eply command */
 724        {                /* */
 725         char buf[300];
 726         char cmd[256];
 727         int a,b;
 728         int need_recp = 0;
 729         int mode;
 730         long highmsg;
 731         FILE *fp;
 732
 733         if (c>0) mode=1;
 734         else mode=0;
 735
 736         sprintf(cmd,"ENT0 0||0|%d",mode);
 737         serv_puts(cmd);
 738         serv_gets(cmd);
 739
 740         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 741                 printf("%s\n",&cmd[4]);
 742                 return(1);
 743                 }
 744         need_recp = 0;
 745         if (!strncmp(cmd,"570",3)) need_recp = 1;
 746
 747         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 748
 749         strcpy(buf,"");
 750         if (need_recp==1) {
 751                 if (axlevel>=2) {
 752                         if (is_reply) {
 753                                 strcpy(buf,reply_to);
 754                                 }
 755                         else {
 756                                 printf("Enter recipient: ");
 757                                 getline(buf,299);
 758                                 if (strlen(buf)==0) return(1);
 759                                 }
 760                         }
 761                 else strcpy(buf,"sysop");
 762                 }
 763
 764         b=0;
 765         if (room_flags&QR_ANONOPT) {
 766                 printf("Anonymous (Y/N)? ");
 767                 if (yesno()==1) b=1;
 768                 }
 769
 770 /* if it's mail, we've got to check the validity of the recipient... */
 771         if (strlen(buf)>0) {
 772                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 773                 serv_puts(cmd);
 774                 serv_gets(cmd);
 775                 if (cmd[0]!='2') {
 776                         printf("%s\n",&cmd[4]);
 777                         return(1);
 778                         }
 779                 }
 780
 781 /* learn the number of the newest message in in the room, so we can tell
 782  * upon saving whether someone else has posted too
 783  */
 784         num_msgs = 0;
 785         serv_puts("MSGS LAST|1");
 786         serv_gets(cmd);
 787         if (cmd[0]!='1') {
 788                 printf("%s\n",&cmd[5]);
 789                 }
 790         else {
 791                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 792                         msg_arr[num_msgs++] = atol(cmd);
 793                         }
 794                 }
 795
 796 /* now put together the message */
 797         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 798
 799 /* and send it to the server */
 800         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 801         serv_puts(cmd);
 802         serv_gets(cmd);
 803         if (cmd[0]!='4') {
 804                 printf("%s\n",&cmd[4]);
 805                 return(1);
 806                 }
 807         fp=fopen(temp,"r");
 808         if (fp!=NULL) {
 809                 transmit_message(fp);
 810                 fclose(fp);
 811                 }
 812         serv_puts("000");
 813         unlink(temp);
 814
 815         highmsg = msg_arr[num_msgs - 1];
 816         num_msgs = 0;
 817         serv_puts("MSGS NEW");
 818         serv_gets(cmd);
 819         if (cmd[0]!='1') {
 820                 printf("%s\n",&cmd[5]);
 821                 }
 822         else {
 823                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 824                         msg_arr[num_msgs++] = atol(cmd);
 825                         }
 826                 }
 827
 828         /* get new highest message number in room to set lrp for goto... */
 829         maxmsgnum = msg_arr[num_msgs - 1];
 830
 831         /* now see if anyone else has posted in here */
 832         b=(-1);
 833         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 834
 835         /* in the Mail> room, this algorithm always counts one message
 836          * higher than in public rooms, so we decrement it by one */
 837         if (need_recp) --b;
 838
 839         if (b==1) printf(
 840 "*** 1 additional message has been entered in this room by another user.\n");
 841         if (b>1) printf(
 842 "*** %d additional messages have been entered in this room by other users.\n",b);
 843
 844         return(0);
 845         }
 846
 847 void process_quote(void) {      /* do editing on quoted file */
 848 FILE *qfile,*tfile;
 849 char buf[128];
 850 int line,qstart,qend;
 851
 852         /* Unlink the second temp file as soon as it's opened, so it'll get
 853          * deleted even if the program dies
 854          */
 855         qfile = fopen(temp2,"r");
 856         unlink(temp2);
 857
 858         /* Display the quotable text with line numbers added */
 859         line = 0;
 860         fgets(buf,128,qfile);
 861         while (fgets(buf,128,qfile)!=NULL) {
 862                 printf("%2d %s",++line,buf);
 863                 }
 864         printf("Begin quoting at [ 1] : ");
 865         getline(buf,3);
 866         qstart = (buf[0]==0) ? (1) : atoi(buf);
 867         printf("  End quoting at [%d] : ",line);
 868         getline(buf,3);
 869         qend = (buf[0]==0) ? (line) : atoi(buf);
 870         rewind(qfile);
 871         line=0;
 872         fgets(buf,128,qfile);
 873         tfile=fopen(temp,"w");
 874         while(fgets(buf,128,qfile)!=NULL) {
 875                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 876                 }
 877         fprintf(tfile," \n");
 878         fclose(qfile);
 879         fclose(tfile);
 880         chmod(temp,0666);
 881         }
 882
 883
 884 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 885                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 886                 /* 1=Forward (-1)=Reverse */
 887                 /* Number of msgs to read (if c==3) */
 888         {
 889         int a,b,e,f,g,start;
 890         int hold_sw = 0;
 891         char arcflag = 0;
 892         char quotflag = 0;
 893         int hold_color = 0;
 894         char prtfile[16];
 895         char pagin;
 896         char cmd[256];
 897         char targ[ROOMNAMELEN];
 898
 899         signal(SIGINT,SIG_IGN);
 900         signal(SIGQUIT,SIG_IGN);
 901
 902         if (c<0) b=(MAXMSGS-1);
 903         else b=0;
 904
 905         sprintf(prtfile,"/tmp/CPrt%ld",(long)getpid());
 906
 907         num_msgs = 0;
 908         strcpy(cmd,"MSGS ");
 909         switch(c) {
 910                 case 0: strcat(cmd,"ALL");
 911                         break;
 912                 case 1: strcat(cmd,"NEW");
 913                         break;
 914                 case 2: strcat(cmd,"OLD");
 915                         break;
 916                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 917                         break;
 918                 }
 919         serv_puts(cmd);
 920         serv_gets(cmd);
 921         if (cmd[0]!='1') {
 922                 printf("%s\n",&cmd[5]);
 923                 }
 924         else {
 925                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 926                         msg_arr[num_msgs++] = atol(cmd);
 927                         }
 928                 }
 929
 930         lines_printed = 0;
 931
 932         /* this loop cycles through each message... */
 933         start = ( (rdir==1) ? 0 : (num_msgs-1) );
 934         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
 935                 while (msg_arr[a]==0L) {
 936                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
 937                         }
 938
 939 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
 940                         (userflags & US_PAGINATOR)) ? 1 : 0;
 941
 942         /* If we're doing a quote, set the screenwidth to 72 temporarily */
 943                 if (quotflag) {
 944                         hold_sw = screenwidth;
 945                         screenwidth = 72;
 946                         }
 947
 948         /* If printing or archiving, set the screenwidth to 80 temporarily */
 949                 if (arcflag) {
 950                         hold_sw = screenwidth;
 951                         screenwidth = 80;
 952                         }
 953
 954         /* now read the message... */
 955                 e=read_message(msg_arr[a],pagin);
 956
 957         /* ...and set the screenwidth back if we have to */
 958                 if ((quotflag)||(arcflag)) {
 959                         screenwidth = hold_sw;
 960                         }
 961 RMSGREAD:       fflush(stdout);
 962                 highest_msg_read = msg_arr[a];
 963                 if (quotflag) {
 964                         freopen("/dev/tty","r+",stdout);
 965                         quotflag=0;
 966                         enable_color = hold_color;
 967                         process_quote();
 968                         }
 969                 if (arcflag) {
 970                         freopen("/dev/tty","r+",stdout);
 971                         arcflag=0;
 972                         enable_color = hold_color;
 973                         f=fork();
 974                         if (f==0) {
 975                                 freopen(prtfile,"r",stdin);
 976                                 sttybbs(SB_RESTORE);
 977                                 ka_system(printcmd);
 978                                 sttybbs(SB_NO_INTR);
 979                                 unlink(prtfile);
 980                                 exit(0);
 981                                 }
 982                         if (f>0) do {
 983                                 g=wait(NULL);
 984                                 } while((g!=f)&&(g>=0));
 985                         printf("Message printed.\n");
 986                         }
 987                 if (e==3) return;
 988                 if ( ((userflags&US_NOPROMPT)||(e==2))
 989                    && (((room_flags&QR_MAILBOX)==0)
 990                      ||(rc_force_mail_prompts==0))  ) {
 991                         e='n';
 992                         }
 993                 else {
 994                         printf("(%d) ",num_msgs-a-1);
 995                         if (is_mail==1) printf("<R>eply ");
 996                         if (strlen(printcmd)>0) printf("<P>rint ");
 997                 printf("<B>ack <A>gain <Q>uote <H>eader <N>ext <S>top -> ");
 998                         do {
 999                                 lines_printed = 2;
1000                                 e=(inkey()&127); e=tolower(e);
1001 /* return key same as <N> */    if (e==13) e='n';
1002 /* space key same as <N> */     if (e==32) e='n';
1003 /* del/move for aides only */   if ((!is_room_aide)
1004                                     &&((room_flags&QR_MAILBOX)==0)) {
1005                                         if ((e=='d')||(e=='m')) e=0;
1006                                         }
1007 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1008 /* can't move from Mail> */     if ((e=='m')&&(is_mail==1)) e=0;
1009 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1010                                 } while((e!='a')&&(e!='n')&&(e!='s')
1011                                         &&(e!='d')&&(e!='m')&&(e!='p')
1012                                         &&(e!='q')&&(e!='b')&&(e!='h')
1013                                         &&(e!='r'));
1014                         switch(e) {
1015                                 case 's':       printf("Stop\r");       break;
1016                                 case 'a':       printf("Again\r");      break;
1017                                 case 'd':       printf("Delete\r");     break;
1018                                 case 'm':       printf("Move\r");       break;
1019                                 case 'n':       printf("Next\r");       break;
1020                                 case 'p':       printf("Print\r");      break;
1021                                 case 'q':       printf("Quote\r");      break;
1022                                 case 'b':       printf("Back\r");       break;
1023                                 case 'h':       printf("Header\r");     break;
1024                                 case 'r':       printf("Reply\r");      break;
1025                                 }
1026                         if (userflags & US_DISAPPEAR)
1027                                 printf("%75s\r","");
1028                         else
1029                                 printf("\n");
1030                         fflush(stdout);
1031                         }
1032                 switch(e) {
1033                    case 'p':    fflush(stdout);
1034                                 freopen(prtfile,"w",stdout);
1035                                 arcflag = 1;
1036                                 hold_color = enable_color;
1037                                 enable_color = 0;
1038                                 goto RAGAIN;
1039                    case 'q':    fflush(stdout);
1040                                 freopen(temp2,"w",stdout);
1041                                 quotflag = 1;
1042                                 hold_color = enable_color;
1043                                 enable_color = 0;
1044                                 goto RAGAIN;
1045                    case 's':    return;
1046                    case 'a':    goto RAGAIN;
1047                    case 'b':    a=a-(rdir*2);
1048                                 break;
1049                    case 'm':    newprompt("Enter target room: ",
1050                                         targ,ROOMNAMELEN-1);
1051                                 if (strlen(targ)>0) {
1052                                         sprintf(cmd,"MOVE %ld|%s",
1053                                                 msg_arr[a],targ);
1054                                         serv_puts(cmd);
1055                                         serv_gets(cmd);
1056                                         printf("%s\n",&cmd[4]);
1057                                         if (cmd[0]=='2') msg_arr[a]=0L;
1058                                         }
1059                                 else {
1060                                         goto RMSGREAD;
1061                                         }
1062                                 if (cmd[0]!='2') goto RMSGREAD;
1063                                 break;
1064                    case 'd':    printf("*** Delete this message? ");
1065                                 if (yesno()==1) {
1066                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1067                                         serv_puts(cmd);
1068                                         serv_gets(cmd);
1069                                         printf("%s\n",&cmd[4]);
1070                                         if (cmd[0]=='2') msg_arr[a]=0L;
1071                                         }
1072                                 else {
1073                                         goto RMSGREAD;
1074                                         }
1075                                 break;
1076                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1077                                 goto RMSGREAD;
1078                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1079                                 goto RMSGREAD;
1080                         }
1081                 } /* end for loop */
1082         } /* end read routine */
1083
1084
1085
1086
1087 /*
1088  * View and edit a system message
1089  */
1090 void edit_system_message(char *which_message)
1091 {
1092         char desc[64];
1093         char read_cmd[64];
1094         char write_cmd[64];
1095
1096         sprintf(desc, "system message '%s'", which_message);
1097         sprintf(read_cmd, "MESG %s", which_message);
1098         sprintf(write_cmd, "EMSG %s", which_message);
1099         do_edit(desc, read_cmd, "NOOP", write_cmd);
1100         }