citadel/messages.c

   1 /*
   2  * Citadel/UX message support routines
   3  * see copyright.txt for copyright information
   4  */
   5
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <sys/types.h>
   9 #include <fcntl.h>
  10 #include <stdio.h>
  11 #include <ctype.h>
  12 #include <string.h>
  13 #include <time.h>
  14 #include <signal.h>
  15 #include <errno.h>
  16 #include <sys/wait.h>
  17 #include <sys/stat.h>
  18 #include "citadel.h"
  19 #include "messages.h"
  20
  21 #define MAXWORDBUF 256
  22 #define MAXMSGS 512
  23
  24 struct cittext {
  25         struct cittext *next;
  26         char text[MAXWORDBUF];
  27         };
  28
  29 struct AttachedFile {
  30         struct AttachedFile *next;
  31         char filename[256];
  32         };
  33
  34 char inkey(void);
  35 void sttybbs(int cmd);
  36 int struncmp(char *lstr, char *rstr, int len);
  37 int fmout(int width, FILE *fp, char pagin, int height, int starting_lp, char subst);
  38 int haschar(char *st, int ch);
  39 int checkpagin(int lp, int pagin, int height);
  40 void getline(char *string, int lim);
  41 void formout(char *name);
  42 int yesno(void);
  43 void newprompt(char *prompt, char *str, int len);
  44 int file_checksum(char *filename);
  45 void color(int colornum);
  46 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
  47
  48 char reply_to[512];
  49 long msg_arr[MAXMSGS];
  50 int num_msgs;
  51 extern char room_name[];
  52 extern unsigned room_flags;
  53 extern long highest_msg_read;
  54 extern struct CtdlServInfo serv_info;
  55 extern char temp[];
  56 extern char temp2[];
  57 extern int screenwidth;
  58 extern int screenheight;
  59 extern long maxmsgnum;
  60 extern char is_mail;
  61 extern char is_aide;
  62 extern char is_room_aide;
  63 extern char fullname[];
  64 extern char axlevel;
  65 extern unsigned userflags;
  66 extern char sigcaught;
  67 extern char editor_path[];
  68 extern char printcmd[];
  69 extern int rc_allow_attachments;
  70
  71 extern int editor_pid;
  72
  73 int lines_printed;
  74
  75 void ka_sigcatch(void) {
  76         char buf[256];
  77         alarm(S_KEEPALIVE);
  78         signal(SIGALRM, (void *)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(pid_t *kstatus)
  88 {
  89         pid_t p;
  90
  91         alarm(S_KEEPALIVE);
  92         signal(SIGALRM, (void *)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         long 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         long 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,"from=",5)) {
 386                         printf("from %s ",&buf[5]);
 387                         }
 388                 if (!struncmp(buf,"subj=",5))
 389                         strcpy(m_subject,&buf[5]);
 390                 if ((!struncmp(buf,"hnod=",5))
 391                    && (strucmp(&buf[5],serv_info.serv_humannode)))
 392                         printf("(%s) ",&buf[5]);
 393                 if ((!struncmp(buf,"room=",5))
 394                    && (strucmp(&buf[5],room_name)))
 395                         printf("in %s> ",&buf[5]);
 396
 397                 if (!struncmp(buf,"node=",5)) {
 398                         if ( (room_flags&QR_NETWORK)
 399                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 400                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))))
 401                                 {
 402                                 printf("@%s ",&buf[5]);
 403                                 }
 404                         if ((!strucmp(&buf[5],serv_info.serv_nodename))
 405                            ||(!strucmp(&buf[5],serv_info.serv_fqdn)))
 406                                 {
 407                                 strcpy(reply_to,from);
 408                                 }
 409                         else {
 410                                 sprintf(reply_to,"%s @ %s",from,&buf[5]);
 411                                 }
 412                         }
 413
 414                 if (!struncmp(buf,"rcpt=",5))
 415                         printf("to %s ",&buf[5]);
 416                 if (!struncmp(buf,"time=",5)) {
 417                         now=atol(&buf[5]);
 418                         tm=(struct tm *)localtime(&now);
 419                         strcpy(buf,asctime(tm)); buf[strlen(buf)-1]=0;
 420                         strcpy(&buf[16],&buf[19]);
 421                         printf("%s ",&buf[4]);
 422                         }
 423                 }
 424
 425         if (nhdr==1) {
 426                 if (!is_room_aide) {
 427                         printf(" ****");
 428                         }
 429                 else {
 430                         printf(" %s",from);
 431                         }
 432                 }
 433         printf("\n");
 434         if (pagin == 1 ) color(2);
 435         ++lines_printed;
 436         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 437
 438         if (strlen(m_subject)>0) {
 439                 printf("Subject: %s\n",m_subject);
 440                 ++lines_printed;
 441                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 442                 }
 443
 444         if (format_type == 0) {
 445                 fr=fmout(screenwidth,NULL,
 446                         ((pagin==1) ? 1 : 0),
 447                         screenheight,(-1),1);
 448                 }
 449         else {
 450                 while(serv_gets(buf), strcmp(buf,"000")) {
 451                         if (sigcaught==0) {
 452                                 printf("%s\n",buf);
 453                                 lines_printed = lines_printed + 1 +
 454                                         (strlen(buf)/screenwidth);
 455                                 lines_printed =
 456                                         checkpagin(lines_printed,pagin,screenheight);
 457                                 }
 458                         }
 459                 fr = sigcaught;
 460                 }
 461         printf("\n");
 462         ++lines_printed;
 463         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 464
 465         if (pagin == 1) color(7);
 466         sttybbs(0);
 467         return(fr);
 468         }
 469
 470 /*
 471  * replace string function for the built-in editor
 472  */
 473 void replace_string(char *filename, long int startpos)
 474 {
 475         char buf[512];
 476         char srch_str[128];
 477         char rplc_str[128];
 478         FILE *fp;
 479         int a;
 480         long rpos,wpos;
 481         char *ptr;
 482         int substitutions = 0;
 483         long msglen = 0L;
 484
 485         printf("Enter text to be replaced:\n: ");
 486         getline(srch_str,128);
 487         if (strlen(srch_str)==0) return;
 488
 489         printf("Enter text to replace it with:\n: ");
 490         getline(rplc_str,128);
 491
 492         fp=fopen(filename,"r+");
 493         if (fp==NULL) return;
 494
 495         wpos=startpos;
 496         fseek(fp,startpos,0);
 497         strcpy(buf,"");
 498         while (a=getc(fp), a>0) {
 499                 ++msglen;
 500                 buf[strlen(buf)+1] = 0;
 501                 buf[strlen(buf)] = a;
 502                 if ( strlen(buf) >= strlen(srch_str) ) {
 503                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 504                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 505                                 strcpy(ptr,rplc_str);
 506                                 ++substitutions;
 507                                 }
 508                         }
 509                 if (strlen(buf)>384) {
 510                         rpos=ftell(fp);
 511                         fseek(fp,wpos,0);
 512                         fwrite((char *)buf,128,1,fp);
 513                         strcpy(buf,&buf[128]);
 514                         wpos = ftell(fp);
 515                         fseek(fp,rpos,0);
 516                         }
 517                 }
 518         fseek(fp,wpos,0);
 519         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 520         putc(0,fp);
 521         fclose(fp);
 522         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 523         }
 524
 525
 526 int make_message(char *filename, char *recipient, int anon_type, int format_type, int mode, char *boundary)
 527                         /* temporary file name */
 528                         /* NULL if it's not mail */
 529                         /* see MES_ types in header file */
 530
 531
 532 {
 533         FILE *fp;
 534         int a,b,e_ex_code;
 535         long now,beg;
 536         char datestr[64];
 537         int cksum = 0;
 538         struct AttachedFile *AttachList = NULL;
 539         struct AttachedFile *Aptr;
 540         char buf[256];
 541
 542         if (mode==2) if (strlen(editor_path)==0) {
 543                 printf("*** No editor available, using built-in editor\n");
 544                 mode=0;
 545                 }
 546
 547         time(&now);
 548         strcpy(datestr,asctime(localtime(&now)));
 549         datestr[strlen(datestr)-1] = 0;
 550
 551         if (room_flags & QR_ANONONLY) {
 552                 printf(" ****");
 553                 }
 554         else {
 555                 printf(" %s from %s",datestr,fullname);
 556                 if (strlen(recipient)>0) printf(" to %s",recipient);
 557                 }
 558         printf("\n");
 559
 560         beg = 0L;
 561
 562         if (mode==1) printf("(Press ctrl-d when finished)\n");
 563         if (mode==0) {
 564                 fp=fopen(filename,"r");
 565                 if (fp!=NULL) {
 566                         fmout(screenwidth,fp,0,screenheight,0,0);
 567                         beg = ftell(fp);
 568                         fclose(fp);
 569                         }
 570                 else {
 571                         fp=fopen(filename,"w");
 572                         fclose(fp);
 573                         }
 574                 }
 575
 576 ME1:    switch(mode) {
 577
 578            case 0:
 579                 fp=fopen(filename,"r+");
 580                 citedit(fp,beg);
 581                 fclose(fp);
 582                 goto MECR;
 583                 break;
 584
 585            case 1:
 586                 fp=fopen(filename,"w");
 587                 do {
 588                         a=inkey(); if (a==255) a=32;
 589                         if (a==13) a=10;
 590                         if (a!=4) {
 591                                 putc(a,fp);
 592                                 putc(a,stdout);
 593                                 }
 594                         if (a==10) putc(13,stdout);
 595                         } while(a!=4);
 596                 fclose(fp);
 597                 break;
 598
 599            case 2:
 600                 e_ex_code = 1;  /* start with a failed exit code */
 601                 editor_pid=fork();
 602                 cksum = file_checksum(filename);
 603                 if (editor_pid==0) {
 604                         chmod(filename,0600);
 605                         sttybbs(SB_RESTORE);
 606                         execlp(editor_path,editor_path,filename,NULL);
 607                         exit(1);
 608                         }
 609                 if (editor_pid>0) do {
 610                         e_ex_code = 0;
 611                         b=ka_wait(&e_ex_code);
 612                         } while((b!=editor_pid)&&(b>=0));
 613                 editor_pid = (-1);
 614                 sttybbs(0);
 615                 break;
 616                 }
 617
 618 MECR:   if (mode==2) {
 619                 if (file_checksum(filename) == cksum) {
 620                         printf("*** Aborted message.\n");
 621                         e_ex_code = 1;
 622                         }
 623                 if (e_ex_code==0) goto MEFIN;
 624                 goto MEABT2;
 625                 }
 626 MECR1:  printf("Entry cmd (? for options) -> ");
 627 MECR2:  b=inkey();
 628         if (b==NEXT_KEY) b='n';
 629         if (b==STOP_KEY) b='s';
 630         b=(b&127); b=tolower(b);
 631         if (b=='?') {
 632                 printf("Help\n");
 633                 formout("saveopt");
 634                 goto MECR1;
 635                 }
 636         if (b=='a') { printf("Abort\n");        goto MEABT;     }
 637         if (b=='c') { printf("Continue\n");     goto ME1;       }
 638         if (b=='s') { printf("Save message\n"); goto MEFIN;     }
 639         if (b=='p') {
 640                 printf("Print formatted\n");
 641                 printf(" %s from %s",datestr,fullname);
 642                 if (strlen(recipient)>0) printf(" to %s",recipient);
 643                 printf("\n");
 644                 fp=fopen(filename,"r");
 645                 if (fp!=NULL) {
 646                         fmout(screenwidth,fp,
 647                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 648                                 screenheight,0,0);
 649                         beg = ftell(fp);
 650                         fclose(fp);
 651                         }
 652                 goto MECR;
 653                 }
 654         if (b=='r') {
 655                 printf("Replace string\n");
 656                 replace_string(filename,0L);
 657                 goto MECR;
 658                 }
 659         if (b=='h') {
 660                 printf("Hold message\n");
 661                 return(2);
 662                 }
 663         /* if ((b=='f')&&(rc_allow_attachments==1)) { */
 664         if (b=='f') {
 665                 printf("attach File\n");
 666                 if (strlen(boundary)==0) {
 667                         sprintf(boundary, "Citadel-Attachment-%ld.%d",
 668                                 time(NULL), getpid() );
 669                         }
 670                 newprompt("Filename: ", buf, 68);
 671                 if (access(buf, R_OK)==0) {
 672                         Aptr = (struct AttachedFile *)
 673                                 malloc(sizeof(struct AttachedFile));
 674                         strcpy(Aptr->filename, buf);
 675                         Aptr->next = AttachList;
 676                         AttachList = Aptr;
 677                         }
 678                 else {
 679                         printf("*** Cannot open %s: %s\n",
 680                                 buf, strerror(errno));
 681                         }
 682                 goto MECR;
 683                 }
 684         goto MECR2;
 685
 686 MEFIN:  return(0);
 687
 688 MEABT:  printf("Are you sure? ");
 689         if (yesno()==0) goto ME1;
 690 MEABT2: unlink(filename);
 691         return(2);
 692         }
 693
 694 /*
 695  * transmit message text to the server
 696  */
 697 void transmit_message(FILE *fp)
 698 {
 699         char buf[256];
 700         int ch,a;
 701
 702         strcpy(buf,"");
 703         while (ch=getc(fp), (ch>=0)) {
 704                 if (ch==10) {
 705                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 706                         serv_puts(buf);
 707                         strcpy(buf,"");
 708                         }
 709                 else {
 710                         a = strlen(buf);
 711                         buf[a+1] = 0;
 712                         buf[a] = ch;
 713                         if ((ch==32)&&(strlen(buf)>200)) {
 714                                 buf[a]=0;
 715                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 716                                 serv_puts(buf);
 717                                 strcpy(buf,"");
 718                                 }
 719                         if (strlen(buf)>250) {
 720                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 721                                 serv_puts(buf);
 722                                 strcpy(buf,"");
 723                                 }
 724                         }
 725                 }
 726         serv_puts(buf);
 727         }
 728
 729
 730
 731 /*
 732  * entmsg()  -  edit and create a message
 733  *              returns 0 if message was saved
 734  */
 735 int entmsg(int is_reply, int c)
 736                         /* nonzero if this was a <R>eply command */
 737        {                /* */
 738         char buf[300];
 739         char cmd[256];
 740         char boundary[256];
 741         int a,b;
 742         int need_recp = 0;
 743         int mode;
 744         long highmsg;
 745         FILE *fp;
 746
 747         if (c>0) mode=1;
 748         else mode=0;
 749
 750         sprintf(cmd,"ENT0 0||0|%d",mode);
 751         serv_puts(cmd);
 752         serv_gets(cmd);
 753
 754         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 755                 printf("%s\n",&cmd[4]);
 756                 return(1);
 757                 }
 758         need_recp = 0;
 759         if (!strncmp(cmd,"570",3)) need_recp = 1;
 760
 761         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 762
 763         strcpy(buf,"");
 764         if (need_recp==1) {
 765                 if (axlevel>=2) {
 766                         if (is_reply) {
 767                                 strcpy(buf,reply_to);
 768                                 }
 769                         else {
 770                                 printf("Enter recipient: ");
 771                                 getline(buf,299);
 772                                 if (strlen(buf)==0) return(1);
 773                                 }
 774                         }
 775                 else strcpy(buf,"sysop");
 776                 }
 777
 778         b=0;
 779         if (room_flags&QR_ANON2) {
 780                 printf("Anonymous (Y/N)? ");
 781                 if (yesno()==1) b=1;
 782                 }
 783
 784 /* if it's mail, we've got to check the validity of the recipient... */
 785         if (strlen(buf)>0) {
 786                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 787                 serv_puts(cmd);
 788                 serv_gets(cmd);
 789                 if (cmd[0]!='2') {
 790                         printf("%s\n",&cmd[4]);
 791                         return(1);
 792                         }
 793                 }
 794
 795 /* learn the number of the newest message in in the room, so we can tell
 796  * upon saving whether someone else has posted too
 797  */
 798         num_msgs = 0;
 799         serv_puts("MSGS LAST|1");
 800         serv_gets(cmd);
 801         if (cmd[0]!='1') {
 802                 printf("%s\n",&cmd[5]);
 803                 }
 804         else {
 805                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 806                         msg_arr[num_msgs++] = atol(cmd);
 807                         }
 808                 }
 809
 810 /* now put together the message */
 811         strcpy(boundary, "");
 812         if ( make_message(temp,buf,b,0,c,boundary) != 0 ) return(2);
 813
 814 /* and send it to the server */
 815         sprintf(cmd,"ENT0 1|%s|%d|%d||%s|",buf,b,mode,boundary);
 816         serv_puts(cmd);
 817         serv_gets(cmd);
 818         if (cmd[0]!='4') {
 819                 printf("%s\n",&cmd[4]);
 820                 return(1);
 821                 }
 822         fp=fopen(temp,"r");
 823         if (fp!=NULL) {
 824                 transmit_message(fp);
 825                 fclose(fp);
 826                 }
 827         serv_puts("000");
 828         unlink(temp);
 829
 830         highmsg = msg_arr[num_msgs - 1];
 831         num_msgs = 0;
 832         serv_puts("MSGS NEW");
 833         serv_gets(cmd);
 834         if (cmd[0]!='1') {
 835                 printf("%s\n",&cmd[5]);
 836                 }
 837         else {
 838                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 839                         msg_arr[num_msgs++] = atol(cmd);
 840                         }
 841                 }
 842
 843         /* get new highest message number in room to set lrp for goto... */
 844         maxmsgnum = msg_arr[num_msgs - 1];
 845
 846         /* now see if anyone else has posted in here */
 847         b=(-1);
 848         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 849
 850         /* in the Mail> room, this algorithm always counts one message
 851          * higher than in public rooms, so we decrement it by one */
 852         if (need_recp) --b;
 853
 854         if (b==1) printf(
 855 "*** 1 additional message has been entered in this room by another user.\n");
 856         if (b>1) printf(
 857 "*** %d additional messages have been entered in this room by other users.\n",b);
 858
 859         return(0);
 860         }
 861
 862 void process_quote(void) {      /* do editing on quoted file */
 863 FILE *qfile,*tfile;
 864 char buf[128];
 865 int line,qstart,qend;
 866
 867         /* Unlink the second temp file as soon as it's opened, so it'll get
 868          * deleted even if the program dies
 869          */
 870         qfile = fopen(temp2,"r");
 871         unlink(temp2);
 872
 873         /* Display the quotable text with line numbers added */
 874         line = 0;
 875         fgets(buf,128,qfile);
 876         while (fgets(buf,128,qfile)!=NULL) {
 877                 printf("%2d %s",++line,buf);
 878                 }
 879         printf("Begin quoting at [ 1] : ");
 880         getline(buf,3);
 881         qstart = (buf[0]==0) ? (1) : atoi(buf);
 882         printf("  End quoting at [%d] : ",line);
 883         getline(buf,3);
 884         qend = (buf[0]==0) ? (line) : atoi(buf);
 885         rewind(qfile);
 886         line=0;
 887         fgets(buf,128,qfile);
 888         tfile=fopen(temp,"w");
 889         while(fgets(buf,128,qfile)!=NULL) {
 890                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 891                 }
 892         fprintf(tfile," \n");
 893         fclose(qfile);
 894         fclose(tfile);
 895         chmod(temp,0666);
 896         }
 897
 898
 899 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 900                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 901                 /* 1=Forward (-1)=Reverse */
 902                 /* Number of msgs to read (if c==3) */
 903         {
 904         int a,b,e,f,g,start;
 905         int hold_sw = 0;
 906         char arcflag = 0;
 907         char quotflag = 0;
 908         char prtfile[16];
 909         char pagin;
 910         char cmd[256];
 911         char targ[20];
 912
 913         signal(SIGINT,SIG_IGN);
 914         signal(SIGQUIT,SIG_IGN);
 915
 916         if (c<0) b=(MAXMSGS-1);
 917         else b=0;
 918
 919         sprintf(prtfile,"/tmp/CPrt%d",getpid());
 920
 921         num_msgs = 0;
 922         strcpy(cmd,"MSGS ");
 923         switch(c) {
 924                 case 0: strcat(cmd,"ALL");
 925                         break;
 926                 case 1: strcat(cmd,"NEW");
 927                         break;
 928                 case 2: strcat(cmd,"OLD");
 929                         break;
 930                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 931                         break;
 932                 }
 933         serv_puts(cmd);
 934         serv_gets(cmd);
 935         if (cmd[0]!='1') {
 936                 printf("%s\n",&cmd[5]);
 937                 }
 938         else {
 939                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 940                         msg_arr[num_msgs++] = atol(cmd);
 941                         }
 942                 }
 943
 944         lines_printed = 0;
 945
 946         /* this loop cycles through each message... */
 947         start = ( (rdir==1) ? 0 : (num_msgs-1) );
 948         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
 949                 while (msg_arr[a]==0L) {
 950                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
 951                         }
 952
 953 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
 954                         (userflags & US_PAGINATOR)) ? 1 : 0;
 955
 956         /* if we're doing a quote, set the screenwidth to 72 temporarily */
 957                 if (quotflag) {
 958                         hold_sw = screenwidth;
 959                         screenwidth = 72;
 960                         }
 961
 962         /* now read the message... */
 963                 e=read_message(msg_arr[a],pagin);
 964
 965         /* ...and set the screenwidth back if we have to */
 966                 if (quotflag) {
 967                         screenwidth = hold_sw;
 968                         }
 969 RMSGREAD:       fflush(stdout);
 970                 highest_msg_read = msg_arr[a];
 971                 if (quotflag) {
 972                         freopen("/dev/tty","r+",stdout);
 973                         quotflag=0;
 974                         process_quote();
 975                         }
 976                 if (arcflag) {
 977                         freopen("/dev/tty","r+",stdout);
 978                         arcflag=0;
 979                         f=fork();
 980                         if (f==0) {
 981                                 freopen(prtfile,"r",stdin);
 982                                 sttybbs(SB_RESTORE);
 983                                 ka_system(printcmd);
 984                                 sttybbs(SB_NO_INTR);
 985                                 unlink(prtfile);
 986                                 exit(0);
 987                                 }
 988                         if (f>0) do {
 989                                 g=wait(NULL);
 990                                 } while((g!=f)&&(g>=0));
 991                         printf("Message printed.\n");
 992                         }
 993                 if (e==3) return;
 994                 if ((userflags&US_NOPROMPT)||(e==2)) e='n';
 995                 else {
 996                         printf("(%d) ",num_msgs-a-1);
 997                         if (is_mail==1) printf("<R>eply ");
 998                         if (strlen(printcmd)>0) printf("<P>rint ");
 999                 printf("<B>ack <A>gain <Q>uote <H>eader <N>ext <S>top -> ");
1000                         do {
1001                                 lines_printed = 2;
1002                                 e=(inkey()&127); e=tolower(e);
1003 /* return key same as <N> */    if (e==13) e='n';
1004 /* del/move for aides only */   if (!is_room_aide) if ((e=='d')||(e=='m')) e=0;
1005 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1006 /* can't move from Mail> */     if ((e=='m')&&(is_mail==1)) e=0;
1007 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1008                                 } while((e!='a')&&(e!='n')&&(e!='s')
1009                                         &&(e!='d')&&(e!='m')&&(e!='p')
1010                                         &&(e!='q')&&(e!='b')&&(e!='h')
1011                                         &&(e!='r'));
1012                         switch(e) {
1013                                 case 's':       printf("Stop\r");       break;
1014                                 case 'a':       printf("Again\r");      break;
1015                                 case 'd':       printf("Delete\r");     break;
1016                                 case 'm':       printf("Move\r");       break;
1017                                 case 'n':       printf("Next\r");       break;
1018                                 case 'p':       printf("Print\r");      break;
1019                                 case 'q':       printf("Quote\r");      break;
1020                                 case 'b':       printf("Back\r");       break;
1021                                 case 'h':       printf("Header\r");     break;
1022                                 case 'r':       printf("Reply\r");      break;
1023                                 }
1024                         if (userflags & US_DISAPPEAR)
1025                                 printf("%75s\r","");
1026                         else
1027                                 printf("\n");
1028                         fflush(stdout);
1029                         }
1030                 switch(e) {
1031                    case 'p':    fflush(stdout);
1032                                 freopen(prtfile,"w",stdout);
1033                                 arcflag = 1;
1034                                 goto RAGAIN;
1035                    case 'q':    fflush(stdout);
1036                                 freopen(temp2,"w",stdout);
1037                                 quotflag = 1;
1038                                 goto RAGAIN;
1039                    case 's':    return;
1040                    case 'a':    goto RAGAIN;
1041                    case 'b':    a=a-(rdir*2);
1042                                 break;
1043                    case 'm':    newprompt("Enter target room: ",targ,19);
1044                                 if (strlen(targ)>0) {
1045                                         sprintf(cmd,"MOVE %ld|%s",
1046                                                 msg_arr[a],targ);
1047                                         serv_puts(cmd);
1048                                         serv_gets(cmd);
1049                                         printf("%s\n",&cmd[4]);
1050                                         if (cmd[0]=='2') msg_arr[a]=0L;
1051                                         }
1052                                 else {
1053                                         goto RMSGREAD;
1054                                         }
1055                                 if (cmd[0]!='2') goto RMSGREAD;
1056                                 break;
1057                    case 'd':    printf("*** Delete this message? ");
1058                                 if (yesno()==1) {
1059                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1060                                         serv_puts(cmd);
1061                                         serv_gets(cmd);
1062                                         printf("%s\n",&cmd[4]);
1063                                         if (cmd[0]=='2') msg_arr[a]=0L;
1064                                         }
1065                                 else {
1066                                         goto RMSGREAD;
1067                                         }
1068                                 break;
1069                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1070                                 goto RMSGREAD;
1071                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1072                                 goto RMSGREAD;
1073                         }
1074                 } /* end for loop */
1075         } /* end read routine */
1076
1077
1078
1079
1080 /*
1081  * View and edit a system message
1082  */
1083 void edit_system_message(char *which_message)
1084 {
1085         char desc[64];
1086         char read_cmd[64];
1087         char write_cmd[64];
1088
1089         sprintf(desc, "system message '%s'", which_message);
1090         sprintf(read_cmd, "MESG %s", which_message);
1091         sprintf(write_cmd, "EMSG %s", which_message);
1092         do_edit(desc, read_cmd, "NOOP", write_cmd);
1093         }