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 struct AttachedFile {
  32         struct AttachedFile *next;
  33         char filename[256];
  34         };
  35
  36 void sttybbs(int cmd);
  37 int struncmp(char *lstr, char *rstr, int len);
  38 int fmout(int width, FILE *fp, char pagin, int height, int starting_lp, char subst);
  39 int haschar(char *st, int ch);
  40 int checkpagin(int lp, int pagin, int height);
  41 void getline(char *string, int lim);
  42 void formout(char *name);
  43 int yesno(void);
  44 void newprompt(char *prompt, char *str, int len);
  45 int file_checksum(char *filename);
  46 void color(int colornum);
  47 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
  48
  49 char reply_to[512];
  50 long msg_arr[MAXMSGS];
  51 int num_msgs;
  52 extern char room_name[];
  53 extern unsigned room_flags;
  54 extern long highest_msg_read;
  55 extern struct CtdlServInfo serv_info;
  56 extern char temp[];
  57 extern char temp2[];
  58 extern int screenwidth;
  59 extern int screenheight;
  60 extern long maxmsgnum;
  61 extern char is_mail;
  62 extern char is_aide;
  63 extern char is_room_aide;
  64 extern char fullname[];
  65 extern char axlevel;
  66 extern unsigned userflags;
  67 extern char sigcaught;
  68 extern char editor_path[];
  69 extern char printcmd[];
  70 extern int rc_allow_attachments;
  71 extern int rc_display_message_numbers;
  72 extern int rc_force_mail_prompts;
  73
  74 extern int editor_pid;
  75
  76 int lines_printed;
  77
  78 void ka_sigcatch(int signum) {
  79         char buf[256];
  80         alarm(S_KEEPALIVE);
  81         signal(SIGALRM, ka_sigcatch);
  82         serv_puts("NOOP");
  83         serv_gets(buf);
  84         }
  85
  86
  87 /*
  88  * server keep-alive version of wait() (needed for external editor)
  89  */
  90 pid_t ka_wait(pid_t *kstatus)
  91 {
  92         pid_t p;
  93
  94         alarm(S_KEEPALIVE);
  95         signal(SIGALRM, ka_sigcatch);
  96         do {
  97                 errno = 0;
  98                 p = wait(kstatus);
  99                 } while (errno==EINTR);
 100         signal(SIGALRM,SIG_IGN);
 101         alarm(0);
 102         return(p);
 103         }
 104
 105
 106 /*
 107  * version of system() that uses ka_wait()
 108  */
 109 int ka_system(char *shc)
 110 {
 111         pid_t childpid;
 112         pid_t waitpid;
 113         int retcode;
 114
 115         childpid = fork();
 116         if (childpid < 0) {
 117                 color(1);
 118                 perror("Cannot fork");
 119                 color(7);
 120                 return((pid_t)childpid);
 121                 }
 122
 123         if (childpid == 0) {
 124                 execlp("/bin/sh","sh","-c",shc,NULL);
 125                 exit(127);
 126                 }
 127
 128         if (childpid > 0) {
 129                 do {
 130                         waitpid = ka_wait(&retcode);
 131                         } while (waitpid != childpid);
 132                 return(retcode);
 133                 }
 134
 135         return(-1);
 136         }
 137
 138
 139
 140 /*
 141  * add a newline to the buffer...
 142  */
 143 void add_newline(struct cittext *textlist)
 144 {
 145         struct cittext *ptr;
 146
 147         ptr=textlist;
 148         while (ptr->next != NULL) ptr = ptr->next;
 149
 150         while (ptr->text[strlen(ptr->text)-1]==32)
 151                 ptr->text[strlen(ptr->text)-1] = 0;
 152         /* strcat(ptr->text,"\n"); */
 153
 154         ptr->next = (struct cittext *)
 155                 malloc(sizeof(struct cittext));
 156         ptr = ptr->next;
 157         ptr->next = NULL;
 158         strcpy(ptr->text,"");
 159         }
 160
 161
 162 /*
 163  * add a word to the buffer...
 164  */
 165 void add_word(struct cittext *textlist, char *wordbuf)
 166 {
 167         struct cittext *ptr;
 168
 169
 170         ptr=textlist;
 171         while (ptr->next != NULL) ptr = ptr->next;
 172
 173         if (3+strlen(ptr->text)+strlen(wordbuf) > screenwidth) {
 174                 ptr->next = (struct cittext *)
 175                         malloc(sizeof(struct cittext));
 176                 ptr = ptr->next;
 177                 ptr->next = NULL;
 178                 strcpy(ptr->text,"");
 179                 }
 180
 181         strcat(ptr->text,wordbuf);
 182         strcat(ptr->text," ");
 183         }
 184
 185
 186 /*
 187  * begin editing of an opened file pointed to by fp, beginning at position pos.
 188  */
 189 void citedit(FILE *fp, long int base_pos)
 190 {
 191         int a,prev,finished,b,last_space;
 192         int appending = 0;
 193         struct cittext *textlist = NULL;
 194         struct cittext *ptr;
 195         char wordbuf[MAXWORDBUF];
 196         char buf[256];
 197         time_t last_server_msg,now;
 198
 199         /*
 200          * we're going to keep track of the last time we talked to
 201          * the server, so we can periodically send keep-alive messages
 202          * out so it doesn't time out.
 203          */
 204         time(&last_server_msg);
 205
 206         /* first, load the text into the buffer */
 207         fseek(fp,base_pos,0);
 208         textlist = (struct cittext *)malloc(sizeof(struct cittext));
 209         textlist->next = NULL;
 210         strcpy(textlist->text,"");
 211
 212         strcpy(wordbuf,"");
 213         prev = (-1);
 214         while (a=getc(fp), a>=0) {
 215                 appending = 1;
 216                 if ((a==32)||(a==9)||(a==13)||(a==10)) {
 217                         add_word(textlist,wordbuf);
 218                         strcpy(wordbuf,"");
 219                         if ((prev==13)||(prev==10)) {
 220                                 add_word(textlist,"\n");
 221                                 add_newline(textlist);
 222                                 add_word(textlist,"");
 223                                 }
 224                         }
 225                 else {
 226                         wordbuf[strlen(wordbuf)+1] = 0;
 227                         wordbuf[strlen(wordbuf)] = a;
 228                         }
 229                 if (strlen(wordbuf)+3 > screenwidth) {
 230                         add_word(textlist,wordbuf);
 231                         strcpy(wordbuf,"");
 232                         }
 233                 prev = a;
 234                 }
 235
 236         /* get text */
 237         finished = 0;
 238         prev = (appending ? 13 : (-1));
 239         strcpy(wordbuf,"");
 240         do {
 241                 a=inkey();
 242                 if (a==10) a=13;
 243                 if (a==9) a=32;
 244                 if (a==127) a=8;
 245                 if ((a==32)&&(prev==13)) {
 246                         add_word(textlist,"\n");
 247                         add_newline(textlist);
 248                         }
 249                 if (a==8) {
 250                         if (strlen(wordbuf)>0) {
 251                                 wordbuf[strlen(wordbuf)-1] = 0;
 252                                 putc(8,stdout);
 253                                 putc(32,stdout);
 254                                 putc(8,stdout);
 255                                 }
 256                         }
 257                 else if (a==13) {
 258                         printf("\n");
 259                         if (strlen(wordbuf)==0) finished = 1;
 260                         else {
 261                                 for (b=0; b<strlen(wordbuf); ++b)
 262                                    if (wordbuf[b]==32) {
 263                                         wordbuf[b]=0;
 264                                         add_word(textlist,wordbuf);
 265                                         strcpy(wordbuf,&wordbuf[b+1]);
 266                                         b=0;
 267                                         }
 268                                 add_word(textlist,wordbuf);
 269                                 strcpy(wordbuf,"");
 270                                 }
 271                         }
 272                 else {
 273                         putc(a,stdout);
 274                         wordbuf[strlen(wordbuf)+1] = 0;
 275                         wordbuf[strlen(wordbuf)] = a;
 276                         }
 277                 if ((strlen(wordbuf)+3) > screenwidth) {
 278                         last_space = (-1);
 279                         for (b=0; b<strlen(wordbuf); ++b)
 280                                 if (wordbuf[b]==32) last_space = b;
 281                         if (last_space>=0) {
 282                                 for (b=0; b<strlen(wordbuf); ++b)
 283                                    if (wordbuf[b]==32) {
 284                                         wordbuf[b]=0;
 285                                         add_word(textlist,wordbuf);
 286                                         strcpy(wordbuf,&wordbuf[b+1]);
 287                                         b=0;
 288                                         }
 289                                 for (b=0; b<strlen(wordbuf); ++b) {
 290                                         putc(8,stdout);
 291                                         putc(32,stdout);
 292                                         putc(8,stdout);
 293                                         }
 294                                 printf("\n%s",wordbuf);
 295                                 }
 296                         else {
 297                                 add_word(textlist,wordbuf);
 298                                 strcpy(wordbuf,"");
 299                                 printf("\n");
 300                                 }
 301                         }
 302                 prev = a;
 303
 304                 /* this check implements the server keep-alive */
 305                 time(&now);
 306                 if ( (now - last_server_msg) > S_KEEPALIVE ) {
 307                         serv_puts("NOOP");
 308                         serv_gets(buf);
 309                         last_server_msg = now;
 310                         }
 311
 312                 } while (finished==0);
 313
 314         /* write the buffer back to disk */
 315         fseek(fp,base_pos,0);
 316         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 317                 fprintf(fp,"%s",ptr->text);
 318                 }
 319         putc(10,fp);
 320         putc(0,fp);
 321
 322         /* and deallocate the memory we used */
 323         while (textlist!=NULL) {
 324                 ptr=textlist->next;
 325                 free(textlist);
 326                 textlist=ptr;
 327                 }
 328         }
 329
 330
 331 int read_message(long int num, char pagin) /* Read a message from the server */
 332                                            /* message number */
 333                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 334 {
 335         char buf[256];
 336         char m_subject[256];
 337         char from[256];
 338         time_t now;
 339         struct tm *tm;
 340         int format_type = 0;
 341         int fr = 0;
 342         int nhdr = 0;
 343
 344         sigcaught = 0;
 345         sttybbs(1);
 346
 347         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 348         serv_puts(buf);
 349         serv_gets(buf);
 350         if (buf[0]!='1') {
 351                 printf("*** msg #%ld: %s\n",num,buf);
 352                 ++lines_printed;
 353                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 354                 sttybbs(0);
 355                 return(0);
 356                 }
 357
 358         strcpy(m_subject,"");
 359         printf("\n");
 360         ++lines_printed;
 361         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 362         printf(" ");
 363         if (pagin == 1) color(3);
 364
 365         if (pagin==2) {
 366                 while(serv_gets(buf), strcmp(buf,"000")) {
 367                         if (buf[4]=='=') {
 368                                 printf("%s\n",buf);
 369                                 ++lines_printed;
 370                                 lines_printed =
 371                                         checkpagin(lines_printed,
 372                                                 pagin,screenheight);
 373                                 }
 374                         }
 375                 sttybbs(0);
 376                 return(0);
 377                 }
 378
 379         strcpy(reply_to,"nobody...xxxxx");
 380         while(serv_gets(buf), struncmp(buf,"text",4)) {
 381                 if (!struncmp(buf,"nhdr=yes",8)) nhdr=1;
 382                 if (!struncmp(buf,"from=",5)) {
 383                         strcpy(from,&buf[5]);
 384                         }
 385                 if (nhdr==1) buf[0]='_';
 386                 if (!struncmp(buf,"type=",5))
 387                         format_type=atoi(&buf[5]);
 388                 if ((!struncmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 389                         color(1);
 390                         printf("[#%s] ",&buf[5]);
 391                         }
 392                 if (!struncmp(buf,"from=",5)) {
 393                         color(3);
 394                         printf("from %s ",&buf[5]);
 395                         }
 396                 if (!struncmp(buf,"subj=",5))
 397                         strcpy(m_subject,&buf[5]);
 398                 if ((!struncmp(buf,"hnod=",5))
 399                    && (strucmp(&buf[5],serv_info.serv_humannode))) {
 400                         color(6);
 401                         printf("(%s) ",&buf[5]);
 402                         }
 403                 if ((!struncmp(buf,"room=",5))
 404                    && (strucmp(&buf[5],room_name))) {
 405                         color(4);
 406                         printf("in %s> ",&buf[5]);
 407                         }
 408
 409                 if (!struncmp(buf,"node=",5)) {
 410                         if ( (room_flags&QR_NETWORK)
 411                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 412                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))))
 413                                 {
 414                                 color(5);
 415                                 printf("@%s ",&buf[5]);
 416                                 }
 417                         if ((!strucmp(&buf[5],serv_info.serv_nodename))
 418                            ||(!strucmp(&buf[5],serv_info.serv_fqdn)))
 419                                 {
 420                                 strcpy(reply_to,from);
 421                                 }
 422                         else {
 423                                 sprintf(reply_to,"%s @ %s",from,&buf[5]);
 424                                 }
 425                         }
 426
 427                 if (!struncmp(buf,"rcpt=",5)) {
 428                         color(3);
 429                         printf("to %s ",&buf[5]);
 430                         }
 431                 if (!struncmp(buf,"time=",5)) {
 432                         now=atol(&buf[5]);
 433                         tm=(struct tm *)localtime(&now);
 434                         strcpy(buf,asctime(tm)); buf[strlen(buf)-1]=0;
 435                         strcpy(&buf[16],&buf[19]);
 436                         color(6);
 437                         printf("%s ",&buf[4]);
 438                         }
 439                 }
 440
 441         if (nhdr==1) {
 442                 if (!is_room_aide) {
 443                         printf(" ****");
 444                         }
 445                 else {
 446                         printf(" %s",from);
 447                         }
 448                 }
 449         printf("\n");
 450         if (pagin == 1 ) color(2);
 451         ++lines_printed;
 452         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 453
 454         if (strlen(m_subject)>0) {
 455                 printf("Subject: %s\n",m_subject);
 456                 ++lines_printed;
 457                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 458                 }
 459
 460         if (format_type == 0) {
 461                 fr=fmout(screenwidth,NULL,
 462                         ((pagin==1) ? 1 : 0),
 463                         screenheight,(-1),1);
 464                 }
 465         else {
 466                 while(serv_gets(buf), strcmp(buf,"000")) {
 467                         if (sigcaught==0) {
 468                                 printf("%s\n",buf);
 469                                 lines_printed = lines_printed + 1 +
 470                                         (strlen(buf)/screenwidth);
 471                                 lines_printed =
 472                                         checkpagin(lines_printed,pagin,screenheight);
 473                                 }
 474                         }
 475                 fr = sigcaught;
 476                 }
 477         printf("\n");
 478         ++lines_printed;
 479         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 480
 481         if (pagin == 1) color(7);
 482         sttybbs(0);
 483         return(fr);
 484         }
 485
 486 /*
 487  * replace string function for the built-in editor
 488  */
 489 void replace_string(char *filename, long int startpos)
 490 {
 491         char buf[512];
 492         char srch_str[128];
 493         char rplc_str[128];
 494         FILE *fp;
 495         int a;
 496         long rpos,wpos;
 497         char *ptr;
 498         int substitutions = 0;
 499         long msglen = 0L;
 500
 501         printf("Enter text to be replaced:\n: ");
 502         getline(srch_str,128);
 503         if (strlen(srch_str)==0) return;
 504
 505         printf("Enter text to replace it with:\n: ");
 506         getline(rplc_str,128);
 507
 508         fp=fopen(filename,"r+");
 509         if (fp==NULL) return;
 510
 511         wpos=startpos;
 512         fseek(fp,startpos,0);
 513         strcpy(buf,"");
 514         while (a=getc(fp), a>0) {
 515                 ++msglen;
 516                 buf[strlen(buf)+1] = 0;
 517                 buf[strlen(buf)] = a;
 518                 if ( strlen(buf) >= strlen(srch_str) ) {
 519                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 520                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 521                                 strcpy(ptr,rplc_str);
 522                                 ++substitutions;
 523                                 }
 524                         }
 525                 if (strlen(buf)>384) {
 526                         rpos=ftell(fp);
 527                         fseek(fp,wpos,0);
 528                         fwrite((char *)buf,128,1,fp);
 529                         strcpy(buf,&buf[128]);
 530                         wpos = ftell(fp);
 531                         fseek(fp,rpos,0);
 532                         }
 533                 }
 534         fseek(fp,wpos,0);
 535         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 536         putc(0,fp);
 537         fclose(fp);
 538         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 539         }
 540
 541
 542 int make_message(char *filename, char *recipient, int anon_type, int format_type, int mode, char *boundary)
 543                         /* temporary file name */
 544                         /* NULL if it's not mail */
 545                         /* see MES_ types in header file */
 546
 547
 548 {
 549         FILE *fp, *atpipe;
 550         int a,b,e_ex_code;
 551         time_t now;
 552         long beg;
 553         char datestr[64];
 554         int cksum = 0;
 555         struct AttachedFile *AttachList = NULL;
 556         struct AttachedFile *Aptr;
 557         char buf[256];
 558
 559         if (mode==2) if (strlen(editor_path)==0) {
 560                 printf("*** No editor available, using built-in editor\n");
 561                 mode=0;
 562                 }
 563
 564         time(&now);
 565         strcpy(datestr,asctime(localtime(&now)));
 566         datestr[strlen(datestr)-1] = 0;
 567
 568         if (room_flags & QR_ANONONLY) {
 569                 printf(" ****");
 570                 }
 571         else {
 572                 printf(" %s from %s",datestr,fullname);
 573                 if (strlen(recipient)>0) printf(" to %s",recipient);
 574                 }
 575         printf("\n");
 576
 577         beg = 0L;
 578
 579         if (mode==1) printf("(Press ctrl-d when finished)\n");
 580         if (mode==0) {
 581                 fp=fopen(filename,"r");
 582                 if (fp!=NULL) {
 583                         fmout(screenwidth,fp,0,screenheight,0,0);
 584                         beg = ftell(fp);
 585                         fclose(fp);
 586                         }
 587                 else {
 588                         fp=fopen(filename,"w");
 589                         fclose(fp);
 590                         }
 591                 }
 592
 593 ME1:    switch(mode) {
 594
 595            case 0:
 596                 fp=fopen(filename,"r+");
 597                 citedit(fp,beg);
 598                 fclose(fp);
 599                 goto MECR;
 600                 break;
 601
 602            case 1:
 603                 fp=fopen(filename,"w");
 604                 do {
 605                         a=inkey(); if (a==255) a=32;
 606                         if (a==13) a=10;
 607                         if (a!=4) {
 608                                 putc(a,fp);
 609                                 putc(a,stdout);
 610                                 }
 611                         if (a==10) putc(13,stdout);
 612                         } while(a!=4);
 613                 fclose(fp);
 614                 break;
 615
 616            case 2:
 617                 e_ex_code = 1;  /* start with a failed exit code */
 618                 editor_pid=fork();
 619                 cksum = file_checksum(filename);
 620                 if (editor_pid==0) {
 621                         chmod(filename,0600);
 622                         sttybbs(SB_RESTORE);
 623                         execlp(editor_path,editor_path,filename,NULL);
 624                         exit(1);
 625                         }
 626                 if (editor_pid>0) do {
 627                         e_ex_code = 0;
 628                         b=ka_wait(&e_ex_code);
 629                         } while((b!=editor_pid)&&(b>=0));
 630                 editor_pid = (-1);
 631                 sttybbs(0);
 632                 break;
 633                 }
 634
 635 MECR:   if (mode==2) {
 636                 if (file_checksum(filename) == cksum) {
 637                         printf("*** Aborted message.\n");
 638                         e_ex_code = 1;
 639                         }
 640                 if (e_ex_code==0) goto MEFIN;
 641                 goto MEABT2;
 642                 }
 643 MECR1:  printf("Entry cmd (? for options) -> ");
 644 MECR2:  b=inkey();
 645         if (b==NEXT_KEY) b='n';
 646         if (b==STOP_KEY) b='s';
 647         b=(b&127); b=tolower(b);
 648         if (b=='?') {
 649                 printf("Help\n");
 650                 formout("saveopt");
 651                 goto MECR1;
 652                 }
 653         if (b=='a') { printf("Abort\n");        goto MEABT;     }
 654         if (b=='c') { printf("Continue\n");     goto ME1;       }
 655         if (b=='s') { printf("Save message\n"); goto MEFIN;     }
 656         if (b=='p') {
 657                 printf("Print formatted\n");
 658                 printf(" %s from %s",datestr,fullname);
 659                 if (strlen(recipient)>0) printf(" to %s",recipient);
 660                 printf("\n");
 661                 fp=fopen(filename,"r");
 662                 if (fp!=NULL) {
 663                         fmout(screenwidth,fp,
 664                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 665                                 screenheight,0,0);
 666                         beg = ftell(fp);
 667                         fclose(fp);
 668                         }
 669                 goto MECR;
 670                 }
 671         if (b=='r') {
 672                 printf("Replace string\n");
 673                 replace_string(filename,0L);
 674                 goto MECR;
 675                 }
 676         if (b=='h') {
 677                 printf("Hold message\n");
 678                 return(2);
 679                 }
 680         if ((b=='f')&&(rc_allow_attachments==1)) {
 681                 printf("attach File\n");
 682                 if (strlen(boundary)==0) {
 683                         sprintf(boundary, "Citadel-Attachment-%ld.%d",
 684                                 (long)time(NULL), getpid() );
 685                         }
 686                 newprompt("Filename: ", buf, 68);
 687                 if (access(buf, R_OK)==0) {
 688                         Aptr = (struct AttachedFile *)
 689                                 malloc(sizeof(struct AttachedFile));
 690                         strcpy(Aptr->filename, buf);
 691                         Aptr->next = AttachList;
 692                         AttachList = Aptr;
 693                         }
 694                 else {
 695                         printf("*** Cannot open %s: %s\n",
 696                                 buf, strerror(errno));
 697                         }
 698                 goto MECR;
 699                 }
 700         goto MECR2;
 701
 702 MEFIN:  /* Now we're done typing the message.  Before returning, append any
 703          * attachments the user has selected
 704          */
 705         if (strlen(boundary)==0) goto SKIPAT;
 706         fp = fopen(filename, "a");
 707         while (AttachList != NULL) {
 708                 sprintf(buf, "uuencode %s <%s",
 709                         AttachList->filename, AttachList->filename);
 710                 atpipe = popen(buf, "r");
 711                 if (atpipe != NULL) {
 712                         fprintf(fp,"--%s\n", boundary);
 713                         fprintf(fp,"Content-type: application/octet-stream;\n");
 714                         fprintf(fp,"%cname=%c%s%c\n",
 715                                 9, 34, AttachList->filename, 34);
 716                         fprintf(fp,"Content-Transfer-Encoding: x-uudecode\n");
 717                         fprintf(fp,"Content-Disposition: attachment;\n");
 718                         fprintf(fp,"%cfilename=%c%s%c\n\n",
 719                                 9, 34, AttachList->filename, 34);
 720                         while (fgets(buf, 256, atpipe)!=NULL) {
 721                                 buf[strlen(buf)-1]=0;
 722                                 fprintf(fp, "%s\n", buf);
 723                                 }
 724                         pclose(atpipe);
 725                         }
 726                 else {
 727                         printf("*** Cannot open %s: %s\n",
 728                                 AttachList->filename, strerror(errno));
 729                         }
 730                 Aptr = AttachList->next;
 731                 free(AttachList);
 732                 AttachList = Aptr;
 733                 }
 734         fprintf(fp, "--%s--\n", boundary);      /* end of attachments */
 735         fclose(fp);
 736
 737 SKIPAT: return(0);
 738
 739 MEABT:  printf("Are you sure? ");
 740         if (yesno()==0) goto ME1;
 741 MEABT2: unlink(filename);
 742         return(2);
 743         }
 744
 745 /*
 746  * transmit message text to the server
 747  */
 748 void transmit_message(FILE *fp)
 749 {
 750         char buf[256];
 751         int ch,a;
 752
 753         strcpy(buf,"");
 754         while (ch=getc(fp), (ch>=0)) {
 755                 if (ch==10) {
 756                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 757                         serv_puts(buf);
 758                         strcpy(buf,"");
 759                         }
 760                 else {
 761                         a = strlen(buf);
 762                         buf[a+1] = 0;
 763                         buf[a] = ch;
 764                         if ((ch==32)&&(strlen(buf)>200)) {
 765                                 buf[a]=0;
 766                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 767                                 serv_puts(buf);
 768                                 strcpy(buf,"");
 769                                 }
 770                         if (strlen(buf)>250) {
 771                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 772                                 serv_puts(buf);
 773                                 strcpy(buf,"");
 774                                 }
 775                         }
 776                 }
 777         serv_puts(buf);
 778         }
 779
 780
 781
 782 /*
 783  * entmsg()  -  edit and create a message
 784  *              returns 0 if message was saved
 785  */
 786 int entmsg(int is_reply, int c)
 787                         /* nonzero if this was a <R>eply command */
 788        {                /* */
 789         char buf[300];
 790         char cmd[256];
 791         char boundary[256];
 792         int a,b;
 793         int need_recp = 0;
 794         int mode;
 795         long highmsg;
 796         FILE *fp;
 797
 798         if (c>0) mode=1;
 799         else mode=0;
 800
 801         sprintf(cmd,"ENT0 0||0|%d",mode);
 802         serv_puts(cmd);
 803         serv_gets(cmd);
 804
 805         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 806                 printf("%s\n",&cmd[4]);
 807                 return(1);
 808                 }
 809         need_recp = 0;
 810         if (!strncmp(cmd,"570",3)) need_recp = 1;
 811
 812         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 813
 814         strcpy(buf,"");
 815         if (need_recp==1) {
 816                 if (axlevel>=2) {
 817                         if (is_reply) {
 818                                 strcpy(buf,reply_to);
 819                                 }
 820                         else {
 821                                 printf("Enter recipient: ");
 822                                 getline(buf,299);
 823                                 if (strlen(buf)==0) return(1);
 824                                 }
 825                         }
 826                 else strcpy(buf,"sysop");
 827                 }
 828
 829         b=0;
 830         if (room_flags&QR_ANONOPT) {
 831                 printf("Anonymous (Y/N)? ");
 832                 if (yesno()==1) b=1;
 833                 }
 834
 835 /* if it's mail, we've got to check the validity of the recipient... */
 836         if (strlen(buf)>0) {
 837                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 838                 serv_puts(cmd);
 839                 serv_gets(cmd);
 840                 if (cmd[0]!='2') {
 841                         printf("%s\n",&cmd[4]);
 842                         return(1);
 843                         }
 844                 }
 845
 846 /* learn the number of the newest message in in the room, so we can tell
 847  * upon saving whether someone else has posted too
 848  */
 849         num_msgs = 0;
 850         serv_puts("MSGS LAST|1");
 851         serv_gets(cmd);
 852         if (cmd[0]!='1') {
 853                 printf("%s\n",&cmd[5]);
 854                 }
 855         else {
 856                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 857                         msg_arr[num_msgs++] = atol(cmd);
 858                         }
 859                 }
 860
 861 /* now put together the message */
 862         strcpy(boundary, "");
 863         if ( make_message(temp,buf,b,0,c,boundary) != 0 ) return(2);
 864
 865 /* and send it to the server */
 866         sprintf(cmd,"ENT0 1|%s|%d|%d||%s|",buf,b,mode,boundary);
 867         serv_puts(cmd);
 868         serv_gets(cmd);
 869         if (cmd[0]!='4') {
 870                 printf("%s\n",&cmd[4]);
 871                 return(1);
 872                 }
 873         fp=fopen(temp,"r");
 874         if (fp!=NULL) {
 875                 transmit_message(fp);
 876                 fclose(fp);
 877                 }
 878         serv_puts("000");
 879         unlink(temp);
 880
 881         highmsg = msg_arr[num_msgs - 1];
 882         num_msgs = 0;
 883         serv_puts("MSGS NEW");
 884         serv_gets(cmd);
 885         if (cmd[0]!='1') {
 886                 printf("%s\n",&cmd[5]);
 887                 }
 888         else {
 889                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 890                         msg_arr[num_msgs++] = atol(cmd);
 891                         }
 892                 }
 893
 894         /* get new highest message number in room to set lrp for goto... */
 895         maxmsgnum = msg_arr[num_msgs - 1];
 896
 897         /* now see if anyone else has posted in here */
 898         b=(-1);
 899         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 900
 901         /* in the Mail> room, this algorithm always counts one message
 902          * higher than in public rooms, so we decrement it by one */
 903         if (need_recp) --b;
 904
 905         if (b==1) printf(
 906 "*** 1 additional message has been entered in this room by another user.\n");
 907         if (b>1) printf(
 908 "*** %d additional messages have been entered in this room by other users.\n",b);
 909
 910         return(0);
 911         }
 912
 913 void process_quote(void) {      /* do editing on quoted file */
 914 FILE *qfile,*tfile;
 915 char buf[128];
 916 int line,qstart,qend;
 917
 918         /* Unlink the second temp file as soon as it's opened, so it'll get
 919          * deleted even if the program dies
 920          */
 921         qfile = fopen(temp2,"r");
 922         unlink(temp2);
 923
 924         /* Display the quotable text with line numbers added */
 925         line = 0;
 926         fgets(buf,128,qfile);
 927         while (fgets(buf,128,qfile)!=NULL) {
 928                 printf("%2d %s",++line,buf);
 929                 }
 930         printf("Begin quoting at [ 1] : ");
 931         getline(buf,3);
 932         qstart = (buf[0]==0) ? (1) : atoi(buf);
 933         printf("  End quoting at [%d] : ",line);
 934         getline(buf,3);
 935         qend = (buf[0]==0) ? (line) : atoi(buf);
 936         rewind(qfile);
 937         line=0;
 938         fgets(buf,128,qfile);
 939         tfile=fopen(temp,"w");
 940         while(fgets(buf,128,qfile)!=NULL) {
 941                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 942                 }
 943         fprintf(tfile," \n");
 944         fclose(qfile);
 945         fclose(tfile);
 946         chmod(temp,0666);
 947         }
 948
 949
 950 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 951                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 952                 /* 1=Forward (-1)=Reverse */
 953                 /* Number of msgs to read (if c==3) */
 954         {
 955         int a,b,e,f,g,start;
 956         int hold_sw = 0;
 957         char arcflag = 0;
 958         char quotflag = 0;
 959         int hold_color = 0;
 960         char prtfile[16];
 961         char pagin;
 962         char cmd[256];
 963         char targ[ROOMNAMELEN];
 964
 965         signal(SIGINT,SIG_IGN);
 966         signal(SIGQUIT,SIG_IGN);
 967
 968         if (c<0) b=(MAXMSGS-1);
 969         else b=0;
 970
 971         sprintf(prtfile,"/tmp/CPrt%d",getpid());
 972
 973         num_msgs = 0;
 974         strcpy(cmd,"MSGS ");
 975         switch(c) {
 976                 case 0: strcat(cmd,"ALL");
 977                         break;
 978                 case 1: strcat(cmd,"NEW");
 979                         break;
 980                 case 2: strcat(cmd,"OLD");
 981                         break;
 982                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
 983                         break;
 984                 }
 985         serv_puts(cmd);
 986         serv_gets(cmd);
 987         if (cmd[0]!='1') {
 988                 printf("%s\n",&cmd[5]);
 989                 }
 990         else {
 991                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 992                         msg_arr[num_msgs++] = atol(cmd);
 993                         }
 994                 }
 995
 996         lines_printed = 0;
 997
 998         /* this loop cycles through each message... */
 999         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1000         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1001                 while (msg_arr[a]==0L) {
1002                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1003                         }
1004
1005 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1006                         (userflags & US_PAGINATOR)) ? 1 : 0;
1007
1008         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1009                 if (quotflag) {
1010                         hold_sw = screenwidth;
1011                         screenwidth = 72;
1012                         }
1013
1014         /* If printing or archiving, set the screenwidth to 80 temporarily */
1015                 if (arcflag) {
1016                         hold_sw = screenwidth;
1017                         screenwidth = 80;
1018                         }
1019
1020         /* now read the message... */
1021                 e=read_message(msg_arr[a],pagin);
1022
1023         /* ...and set the screenwidth back if we have to */
1024                 if ((quotflag)||(arcflag)) {
1025                         screenwidth = hold_sw;
1026                         }
1027 RMSGREAD:       fflush(stdout);
1028                 highest_msg_read = msg_arr[a];
1029                 if (quotflag) {
1030                         freopen("/dev/tty","r+",stdout);
1031                         quotflag=0;
1032                         enable_color = hold_color;
1033                         process_quote();
1034                         }
1035                 if (arcflag) {
1036                         freopen("/dev/tty","r+",stdout);
1037                         arcflag=0;
1038                         enable_color = hold_color;
1039                         f=fork();
1040                         if (f==0) {
1041                                 freopen(prtfile,"r",stdin);
1042                                 sttybbs(SB_RESTORE);
1043                                 ka_system(printcmd);
1044                                 sttybbs(SB_NO_INTR);
1045                                 unlink(prtfile);
1046                                 exit(0);
1047                                 }
1048                         if (f>0) do {
1049                                 g=wait(NULL);
1050                                 } while((g!=f)&&(g>=0));
1051                         printf("Message printed.\n");
1052                         }
1053                 if (e==3) return;
1054                 if ( ((userflags&US_NOPROMPT)||(e==2))
1055                    && (((room_flags&QR_MAILBOX)==0)
1056                      ||(rc_force_mail_prompts==0))  ) {
1057                         e='n';
1058                         }
1059                 else {
1060                         printf("(%d) ",num_msgs-a-1);
1061                         if (is_mail==1) printf("<R>eply ");
1062                         if (strlen(printcmd)>0) printf("<P>rint ");
1063                 printf("<B>ack <A>gain <Q>uote <H>eader <N>ext <S>top -> ");
1064                         do {
1065                                 lines_printed = 2;
1066                                 e=(inkey()&127); e=tolower(e);
1067 /* return key same as <N> */    if (e==13) e='n';
1068 /* space key same as <N> */     if (e==32) e='n';
1069 /* del/move for aides only */   if ((!is_room_aide)
1070                                     &&((room_flags&QR_MAILBOX)==0)) {
1071                                         if ((e=='d')||(e=='m')) e=0;
1072                                         }
1073 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1074 /* can't move from Mail> */     if ((e=='m')&&(is_mail==1)) e=0;
1075 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1076                                 } while((e!='a')&&(e!='n')&&(e!='s')
1077                                         &&(e!='d')&&(e!='m')&&(e!='p')
1078                                         &&(e!='q')&&(e!='b')&&(e!='h')
1079                                         &&(e!='r'));
1080                         switch(e) {
1081                                 case 's':       printf("Stop\r");       break;
1082                                 case 'a':       printf("Again\r");      break;
1083                                 case 'd':       printf("Delete\r");     break;
1084                                 case 'm':       printf("Move\r");       break;
1085                                 case 'n':       printf("Next\r");       break;
1086                                 case 'p':       printf("Print\r");      break;
1087                                 case 'q':       printf("Quote\r");      break;
1088                                 case 'b':       printf("Back\r");       break;
1089                                 case 'h':       printf("Header\r");     break;
1090                                 case 'r':       printf("Reply\r");      break;
1091                                 }
1092                         if (userflags & US_DISAPPEAR)
1093                                 printf("%75s\r","");
1094                         else
1095                                 printf("\n");
1096                         fflush(stdout);
1097                         }
1098                 switch(e) {
1099                    case 'p':    fflush(stdout);
1100                                 freopen(prtfile,"w",stdout);
1101                                 arcflag = 1;
1102                                 hold_color = enable_color;
1103                                 enable_color = 0;
1104                                 goto RAGAIN;
1105                    case 'q':    fflush(stdout);
1106                                 freopen(temp2,"w",stdout);
1107                                 quotflag = 1;
1108                                 hold_color = enable_color;
1109                                 enable_color = 0;
1110                                 goto RAGAIN;
1111                    case 's':    return;
1112                    case 'a':    goto RAGAIN;
1113                    case 'b':    a=a-(rdir*2);
1114                                 break;
1115                    case 'm':    newprompt("Enter target room: ",
1116                                         targ,ROOMNAMELEN-1);
1117                                 if (strlen(targ)>0) {
1118                                         sprintf(cmd,"MOVE %ld|%s",
1119                                                 msg_arr[a],targ);
1120                                         serv_puts(cmd);
1121                                         serv_gets(cmd);
1122                                         printf("%s\n",&cmd[4]);
1123                                         if (cmd[0]=='2') msg_arr[a]=0L;
1124                                         }
1125                                 else {
1126                                         goto RMSGREAD;
1127                                         }
1128                                 if (cmd[0]!='2') goto RMSGREAD;
1129                                 break;
1130                    case 'd':    printf("*** Delete this message? ");
1131                                 if (yesno()==1) {
1132                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1133                                         serv_puts(cmd);
1134                                         serv_gets(cmd);
1135                                         printf("%s\n",&cmd[4]);
1136                                         if (cmd[0]=='2') msg_arr[a]=0L;
1137                                         }
1138                                 else {
1139                                         goto RMSGREAD;
1140                                         }
1141                                 break;
1142                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1143                                 goto RMSGREAD;
1144                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1145                                 goto RMSGREAD;
1146                         }
1147                 } /* end for loop */
1148         } /* end read routine */
1149
1150
1151
1152
1153 /*
1154  * View and edit a system message
1155  */
1156 void edit_system_message(char *which_message)
1157 {
1158         char desc[64];
1159         char read_cmd[64];
1160         char write_cmd[64];
1161
1162         sprintf(desc, "system message '%s'", which_message);
1163         sprintf(read_cmd, "MESG %s", which_message);
1164         sprintf(write_cmd, "EMSG %s", which_message);
1165         do_edit(desc, read_cmd, "NOOP", write_cmd);
1166         }