citadel/messages.c

   1 /*
   2  * Citadel/UX message support routines
   3  * see copyright.txt for copyright information
   4  * $Id$
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <sys/types.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <ctype.h>
  14 #include <string.h>
  15 #include <time.h>
  16 #include <signal.h>
  17 #include <errno.h>
  18 #include <limits.h>
  19 #include <sys/wait.h>
  20 #include <sys/stat.h>
  21 #include <stdarg.h>
  22 #include "citadel.h"
  23 #include "messages.h"
  24 #include "commands.h"
  25 #include "rooms.h"
  26 #include "tools.h"
  27 #ifndef HAVE_SNPRINTF
  28 #include "snprintf.h"
  29 #endif
  30
  31 #define MAXWORDBUF 256
  32 #define MAXMSGS 512
  33
  34 struct cittext {
  35         struct cittext *next;
  36         char text[MAXWORDBUF];
  37         };
  38
  39 void sttybbs(int cmd);
  40 int struncmp(char *lstr, char *rstr, int len);
  41 int fmout(int width, FILE *fp, char pagin, int height, int starting_lp, char subst);
  42 int haschar(char *st, int ch);
  43 int checkpagin(int lp, int pagin, int height);
  44 void getline(char *string, int lim);
  45 void formout(char *name);
  46 int yesno(void);
  47 void newprompt(char *prompt, char *str, int len);
  48 int file_checksum(char *filename);
  49 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
  50
  51 char reply_to[512];
  52 long msg_arr[MAXMSGS];
  53 int num_msgs;
  54 extern char room_name[];
  55 extern unsigned room_flags;
  56 extern long highest_msg_read;
  57 extern struct CtdlServInfo serv_info;
  58 extern char temp[];
  59 extern char temp2[];
  60 extern int screenwidth;
  61 extern int screenheight;
  62 extern long maxmsgnum;
  63 extern char is_mail;
  64 extern char is_aide;
  65 extern char is_room_aide;
  66 extern char fullname[];
  67 extern char axlevel;
  68 extern unsigned userflags;
  69 extern char sigcaught;
  70 extern char editor_path[];
  71 extern char printcmd[];
  72 extern int rc_allow_attachments;
  73 extern int rc_display_message_numbers;
  74 extern int rc_force_mail_prompts;
  75
  76 extern int editor_pid;
  77
  78 int lines_printed;
  79
  80 void ka_sigcatch(int signum) {
  81         char buf[256];
  82         alarm(S_KEEPALIVE);
  83         signal(SIGALRM, ka_sigcatch);
  84         serv_puts("NOOP");
  85         serv_gets(buf);
  86         }
  87
  88
  89 /*
  90  * server keep-alive version of wait() (needed for external editor)
  91  */
  92 pid_t ka_wait(int *kstatus)
  93 {
  94         pid_t p;
  95
  96         alarm(S_KEEPALIVE);
  97         signal(SIGALRM, ka_sigcatch);
  98         do {
  99                 errno = 0;
 100                 p = wait(kstatus);
 101                 } while (errno==EINTR);
 102         signal(SIGALRM,SIG_IGN);
 103         alarm(0);
 104         return(p);
 105         }
 106
 107
 108 /*
 109  * version of system() that uses ka_wait()
 110  */
 111 int ka_system(char *shc)
 112 {
 113         pid_t childpid;
 114         pid_t waitpid;
 115         int retcode;
 116
 117         childpid = fork();
 118         if (childpid < 0) {
 119                 color(BRIGHT_RED);
 120                 perror("Cannot fork");
 121                 color(DIM_WHITE);
 122                 return((pid_t)childpid);
 123                 }
 124
 125         if (childpid == 0) {
 126                 execlp("/bin/sh","sh","-c",shc,NULL);
 127                 exit(127);
 128                 }
 129
 130         if (childpid > 0) {
 131                 do {
 132                         waitpid = ka_wait(&retcode);
 133                         } while (waitpid != childpid);
 134                 return(retcode);
 135                 }
 136
 137         return(-1);
 138         }
 139
 140
 141
 142 /*
 143  * add a newline to the buffer...
 144  */
 145 void add_newline(struct cittext *textlist)
 146 {
 147         struct cittext *ptr;
 148
 149         ptr=textlist;
 150         while (ptr->next != NULL) ptr = ptr->next;
 151
 152         while (ptr->text[strlen(ptr->text)-1]==32)
 153                 ptr->text[strlen(ptr->text)-1] = 0;
 154         /* strcat(ptr->text,"\n"); */
 155
 156         ptr->next = (struct cittext *)
 157                 malloc(sizeof(struct cittext));
 158         ptr = ptr->next;
 159         ptr->next = NULL;
 160         strcpy(ptr->text,"");
 161         }
 162
 163
 164 /*
 165  * add a word to the buffer...
 166  */
 167 void add_word(struct cittext *textlist, char *wordbuf)
 168 {
 169         struct cittext *ptr;
 170
 171
 172         ptr=textlist;
 173         while (ptr->next != NULL) ptr = ptr->next;
 174
 175         if (3+strlen(ptr->text)+strlen(wordbuf) > screenwidth) {
 176                 ptr->next = (struct cittext *)
 177                         malloc(sizeof(struct cittext));
 178                 ptr = ptr->next;
 179                 ptr->next = NULL;
 180                 strcpy(ptr->text,"");
 181                 }
 182
 183         strcat(ptr->text,wordbuf);
 184         strcat(ptr->text," ");
 185         }
 186
 187
 188 /*
 189  * begin editing of an opened file pointed to by fp, beginning at position pos.
 190  */
 191 void citedit(FILE *fp, long int base_pos)
 192 {
 193         int a,prev,finished,b,last_space;
 194         int appending = 0;
 195         struct cittext *textlist = NULL;
 196         struct cittext *ptr;
 197         char wordbuf[MAXWORDBUF];
 198         char buf[256];
 199         time_t last_server_msg,now;
 200
 201         /*
 202          * we're going to keep track of the last time we talked to
 203          * the server, so we can periodically send keep-alive messages
 204          * out so it doesn't time out.
 205          */
 206         time(&last_server_msg);
 207
 208         /* first, load the text into the buffer */
 209         fseek(fp,base_pos,0);
 210         textlist = (struct cittext *)malloc(sizeof(struct cittext));
 211         textlist->next = NULL;
 212         strcpy(textlist->text,"");
 213
 214         strcpy(wordbuf,"");
 215         prev = (-1);
 216         while (a=getc(fp), a>=0) {
 217                 appending = 1;
 218                 if ((a==32)||(a==9)||(a==13)||(a==10)) {
 219                         add_word(textlist,wordbuf);
 220                         strcpy(wordbuf,"");
 221                         if ((prev==13)||(prev==10)) {
 222                                 add_word(textlist,"\n");
 223                                 add_newline(textlist);
 224                                 add_word(textlist,"");
 225                                 }
 226                         }
 227                 else {
 228                         wordbuf[strlen(wordbuf)+1] = 0;
 229                         wordbuf[strlen(wordbuf)] = a;
 230                         }
 231                 if (strlen(wordbuf)+3 > screenwidth) {
 232                         add_word(textlist,wordbuf);
 233                         strcpy(wordbuf,"");
 234                         }
 235                 prev = a;
 236                 }
 237
 238         /* get text */
 239         finished = 0;
 240         prev = (appending ? 13 : (-1));
 241         strcpy(wordbuf,"");
 242         do {
 243                 a=inkey();
 244                 if (a==10) a=13;
 245                 if (a==9) a=32;
 246                 if (a==127) a=8;
 247                 if ((a==32)&&(prev==13)) {
 248                         add_word(textlist,"\n");
 249                         add_newline(textlist);
 250                         }
 251                 if (a==8) {
 252                         if (strlen(wordbuf)>0) {
 253                                 wordbuf[strlen(wordbuf)-1] = 0;
 254                                 putc(8,stdout);
 255                                 putc(32,stdout);
 256                                 putc(8,stdout);
 257                                 }
 258                         }
 259                 else if (a==13) {
 260                         printf("\n");
 261                         if (strlen(wordbuf)==0) finished = 1;
 262                         else {
 263                                 for (b=0; b<strlen(wordbuf); ++b)
 264                                    if (wordbuf[b]==32) {
 265                                         wordbuf[b]=0;
 266                                         add_word(textlist,wordbuf);
 267                                         strcpy(wordbuf,&wordbuf[b+1]);
 268                                         b=0;
 269                                         }
 270                                 add_word(textlist,wordbuf);
 271                                 strcpy(wordbuf,"");
 272                                 }
 273                         }
 274                 else {
 275                         putc(a,stdout);
 276                         wordbuf[strlen(wordbuf)+1] = 0;
 277                         wordbuf[strlen(wordbuf)] = a;
 278                         }
 279                 if ((strlen(wordbuf)+3) > screenwidth) {
 280                         last_space = (-1);
 281                         for (b=0; b<strlen(wordbuf); ++b)
 282                                 if (wordbuf[b]==32) last_space = b;
 283                         if (last_space>=0) {
 284                                 for (b=0; b<strlen(wordbuf); ++b)
 285                                    if (wordbuf[b]==32) {
 286                                         wordbuf[b]=0;
 287                                         add_word(textlist,wordbuf);
 288                                         strcpy(wordbuf,&wordbuf[b+1]);
 289                                         b=0;
 290                                         }
 291                                 for (b=0; b<strlen(wordbuf); ++b) {
 292                                         putc(8,stdout);
 293                                         putc(32,stdout);
 294                                         putc(8,stdout);
 295                                         }
 296                                 printf("\n%s",wordbuf);
 297                                 }
 298                         else {
 299                                 add_word(textlist,wordbuf);
 300                                 strcpy(wordbuf,"");
 301                                 printf("\n");
 302                                 }
 303                         }
 304                 prev = a;
 305
 306                 /* this check implements the server keep-alive */
 307                 time(&now);
 308                 if ( (now - last_server_msg) > S_KEEPALIVE ) {
 309                         serv_puts("NOOP");
 310                         serv_gets(buf);
 311                         last_server_msg = now;
 312                         }
 313
 314                 } while (finished==0);
 315
 316         /* write the buffer back to disk */
 317         fseek(fp,base_pos,0);
 318         for (ptr=textlist; ptr!=NULL; ptr=ptr->next) {
 319                 fprintf(fp,"%s",ptr->text);
 320                 }
 321         putc(10,fp);
 322         putc(0,fp);
 323
 324         /* and deallocate the memory we used */
 325         while (textlist!=NULL) {
 326                 ptr=textlist->next;
 327                 free(textlist);
 328                 textlist=ptr;
 329                 }
 330         }
 331
 332
 333 int read_message(long int num, char pagin) /* Read a message from the server */
 334                                            /* message number */
 335                 /* 0 = normal read, 1 = read with pagination, 2 = header */
 336 {
 337         char buf[256];
 338         char m_subject[256];
 339         char from[256];
 340         time_t now;
 341         struct tm *tm;
 342         int format_type = 0;
 343         int fr = 0;
 344         int nhdr = 0;
 345         int have_rfca = 0;
 346
 347         sigcaught = 0;
 348         sttybbs(1);
 349
 350         sprintf(buf,"MSG0 %ld|%d",num,(pagin==READ_HEADER ? 1 : 0));
 351         serv_puts(buf);
 352         serv_gets(buf);
 353         if (buf[0]!='1') {
 354                 printf("*** msg #%ld: %s\n",num,buf);
 355                 ++lines_printed;
 356                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 357                 sttybbs(0);
 358                 return(0);
 359                 }
 360
 361         strcpy(m_subject,"");
 362         strcpy(reply_to, "nobody ... xxxxx");
 363         printf("\n");
 364         ++lines_printed;
 365         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 366         printf(" ");
 367         if (pagin == 1) color(BRIGHT_CYAN);
 368
 369         if (pagin==2) {
 370                 while(serv_gets(buf), strcmp(buf,"000")) {
 371                         if (buf[4]=='=') {
 372                                 printf("%s\n",buf);
 373                                 ++lines_printed;
 374                                 lines_printed =
 375                                         checkpagin(lines_printed,
 376                                                 pagin,screenheight);
 377                                 }
 378                         }
 379                 sttybbs(0);
 380                 return(0);
 381                 }
 382
 383         while(serv_gets(buf), struncmp(buf,"text",4)) {
 384                 if (!struncmp(buf,"nhdr=yes",8)) nhdr=1;
 385                 if (!struncmp(buf,"from=",5)) {
 386                         strcpy(from,&buf[5]);
 387                         }
 388                 if (nhdr==1) buf[0]='_';
 389                 if (!struncmp(buf,"type=",5))
 390                         format_type=atoi(&buf[5]);
 391                 if ((!struncmp(buf,"msgn=",5))&&(rc_display_message_numbers)) {
 392                         color(DIM_WHITE);
 393                         printf("[");
 394                         color(BRIGHT_WHITE);
 395                         printf("#%s",&buf[5]);
 396                         color(DIM_WHITE);
 397                         printf("] ");
 398                         }
 399                 if (!struncmp(buf,"from=",5)) {
 400                         color(DIM_WHITE);
 401                         printf("from ");
 402                         color(BRIGHT_CYAN);
 403                         printf("%s ",&buf[5]);
 404                         }
 405                 if (!struncmp(buf,"subj=",5))
 406                         strcpy(m_subject,&buf[5]);
 407
 408                 if (!struncmp(buf,"rfca=",5)) {
 409                         strcpy(reply_to, &buf[5]);
 410                         have_rfca = 1;
 411                         color(DIM_WHITE);
 412                         printf("<");
 413                         color(BRIGHT_BLUE);
 414                         printf("%s",&buf[5]);
 415                         color(DIM_WHITE);
 416                         printf("> ");
 417                         }
 418                 if ((!struncmp(buf,"hnod=",5))
 419                    && (strucmp(&buf[5],serv_info.serv_humannode))
 420                    && (have_rfca == 0) ) {
 421                         color(DIM_WHITE);
 422                         printf("(");
 423                         color(BRIGHT_WHITE);
 424                         printf("%s",&buf[5]);
 425                         color(DIM_WHITE);
 426                         printf(") ");
 427                         }
 428                 if ((!struncmp(buf,"room=",5))
 429                    && (strucmp(&buf[5],room_name))
 430                    && (have_rfca == 0)) {
 431                         color(DIM_WHITE);
 432                         printf("in ");
 433                         color(BRIGHT_MAGENTA);
 434                         printf("%s> ",&buf[5]);
 435                         }
 436
 437                 if (!struncmp(buf,"node=",5)) {
 438                         if ( (room_flags&QR_NETWORK)
 439                            || ((strucmp(&buf[5],serv_info.serv_nodename)
 440                            &&(strucmp(&buf[5],serv_info.serv_fqdn)))) )
 441                                 {
 442                                 if (have_rfca == 0) {
 443                                         color(DIM_WHITE);
 444                                         printf("@");
 445                                         color(BRIGHT_YELLOW);
 446                                         printf("%s ",&buf[5]);
 447                                 }
 448                         }
 449                         if (have_rfca == 0) {
 450                          if ((!strucmp(&buf[5],serv_info.serv_nodename))
 451                            ||(!strucmp(&buf[5],serv_info.serv_fqdn)))
 452                                 {
 453                                 strcpy(reply_to,from);
 454                                 }
 455                         }
 456                         else {
 457                                 sprintf(reply_to,"%s @ %s",from,&buf[5]);
 458                                 }
 459                         }
 460
 461                 if (!struncmp(buf,"rcpt=",5)) {
 462                         color(DIM_WHITE);
 463                         printf("to ");
 464                         color(BRIGHT_CYAN);
 465                         printf("%s ",&buf[5]);
 466                         }
 467                 if (!struncmp(buf,"time=",5)) {
 468                         now=atol(&buf[5]);
 469                         tm=(struct tm *)localtime(&now);
 470                         strcpy(buf,asctime(tm)); buf[strlen(buf)-1]=0;
 471                         strcpy(&buf[16],&buf[19]);
 472                         color(BRIGHT_MAGENTA);
 473                         printf("%s ",&buf[4]);
 474                         }
 475                 }
 476
 477         if (nhdr==1) {
 478                 if (!is_room_aide) {
 479                         printf(" ****");
 480                         }
 481                 else {
 482                         printf(" %s",from);
 483                         }
 484                 }
 485         printf("\n");
 486         if (pagin == 1) color(BRIGHT_WHITE);
 487         ++lines_printed;
 488         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 489
 490         if (strlen(m_subject)>0) {
 491                 printf("Subject: %s\n",m_subject);
 492                 ++lines_printed;
 493                 lines_printed = checkpagin(lines_printed,pagin,screenheight);
 494                 }
 495
 496         if (format_type == 0) {
 497                 fr=fmout(screenwidth,NULL,
 498                         ((pagin==1) ? 1 : 0),
 499                         screenheight,(-1),1);
 500                 }
 501         else {
 502                 while(serv_gets(buf), strcmp(buf,"000")) {
 503                         if (sigcaught==0) {
 504                                 printf("%s\n",buf);
 505                                 lines_printed = lines_printed + 1 +
 506                                         (strlen(buf)/screenwidth);
 507                                 lines_printed =
 508                                         checkpagin(lines_printed,pagin,screenheight);
 509                                 }
 510                         }
 511                 fr = sigcaught;
 512                 }
 513         printf("\n");
 514         ++lines_printed;
 515         lines_printed = checkpagin(lines_printed,pagin,screenheight);
 516
 517         if (pagin == 1) color(DIM_WHITE);
 518         sttybbs(0);
 519         return(fr);
 520         }
 521
 522 /*
 523  * replace string function for the built-in editor
 524  */
 525 void replace_string(char *filename, long int startpos)
 526 {
 527         char buf[512];
 528         char srch_str[128];
 529         char rplc_str[128];
 530         FILE *fp;
 531         int a;
 532         long rpos,wpos;
 533         char *ptr;
 534         int substitutions = 0;
 535         long msglen = 0L;
 536
 537         printf("Enter text to be replaced:\n: ");
 538         getline(srch_str,128);
 539         if (strlen(srch_str)==0) return;
 540
 541         printf("Enter text to replace it with:\n: ");
 542         getline(rplc_str,128);
 543
 544         fp=fopen(filename,"r+");
 545         if (fp==NULL) return;
 546
 547         wpos=startpos;
 548         fseek(fp,startpos,0);
 549         strcpy(buf,"");
 550         while (a=getc(fp), a>0) {
 551                 ++msglen;
 552                 buf[strlen(buf)+1] = 0;
 553                 buf[strlen(buf)] = a;
 554                 if ( strlen(buf) >= strlen(srch_str) ) {
 555                         ptr=&buf[strlen(buf)-strlen(srch_str)];
 556                         if (!struncmp(ptr,srch_str,strlen(srch_str))) {
 557                                 strcpy(ptr,rplc_str);
 558                                 ++substitutions;
 559                                 }
 560                         }
 561                 if (strlen(buf)>384) {
 562                         rpos=ftell(fp);
 563                         fseek(fp,wpos,0);
 564                         fwrite((char *)buf,128,1,fp);
 565                         strcpy(buf,&buf[128]);
 566                         wpos = ftell(fp);
 567                         fseek(fp,rpos,0);
 568                         }
 569                 }
 570         fseek(fp,wpos,0);
 571         if (strlen(buf)>0) fwrite((char *)buf,strlen(buf),1,fp);
 572         putc(0,fp);
 573         fclose(fp);
 574         printf("<R>eplace made %d substitution(s).\n\n",substitutions);
 575         }
 576
 577
 578 int make_message(char *filename,        /* temporary file name */
 579                 char *recipient,        /* NULL if it's not mail */
 580                 int anon_type,          /* see MES_ types in header file */
 581                 int format_type,
 582                 int mode)
 583 {
 584         FILE *fp;
 585         int a,b,e_ex_code;
 586         time_t now;
 587         long beg;
 588         char datestr[64];
 589         int cksum = 0;
 590
 591         if (mode==2) if (strlen(editor_path)==0) {
 592                 printf("*** No editor available, using built-in editor\n");
 593                 mode=0;
 594                 }
 595
 596         time(&now);
 597         strcpy(datestr,asctime(localtime(&now)));
 598         datestr[strlen(datestr)-1] = 0;
 599
 600         if (room_flags & QR_ANONONLY) {
 601                 printf(" ****");
 602                 }
 603         else {
 604                 printf(" %s from %s",datestr,fullname);
 605                 if (strlen(recipient)>0) printf(" to %s",recipient);
 606                 }
 607         printf("\n");
 608
 609         beg = 0L;
 610
 611         if (mode==1) printf("(Press ctrl-d when finished)\n");
 612         if (mode==0) {
 613                 fp=fopen(filename,"r");
 614                 if (fp!=NULL) {
 615                         fmout(screenwidth,fp,0,screenheight,0,0);
 616                         beg = ftell(fp);
 617                         fclose(fp);
 618                         }
 619                 else {
 620                         fp=fopen(filename,"w");
 621                         fclose(fp);
 622                         }
 623                 }
 624
 625 ME1:    switch(mode) {
 626
 627            case 0:
 628                 fp=fopen(filename,"r+");
 629                 citedit(fp, beg);
 630                 fclose(fp);
 631                 goto MECR;
 632
 633            case 1:
 634                 fp=fopen(filename,"w");
 635                 do {
 636                         a=inkey(); if (a==255) a=32;
 637                         if (a==13) a=10;
 638                         if (a!=4) {
 639                                 putc(a,fp);
 640                                 putc(a,stdout);
 641                                 }
 642                         if (a==10) putc(13,stdout);
 643                         } while(a!=4);
 644                 fclose(fp);
 645                 break;
 646
 647            case 2:
 648                 e_ex_code = 1;  /* start with a failed exit code */
 649                 editor_pid=fork();
 650                 cksum = file_checksum(filename);
 651                 if (editor_pid==0) {
 652                         chmod(filename,0600);
 653                         sttybbs(SB_RESTORE);
 654                         execlp(editor_path,editor_path,filename,NULL);
 655                         exit(1);
 656                         }
 657                 if (editor_pid>0) do {
 658                         e_ex_code = 0;
 659                         b=ka_wait(&e_ex_code);
 660                         } while((b!=editor_pid)&&(b>=0));
 661                 editor_pid = (-1);
 662                 sttybbs(0);
 663                 break;
 664                 }
 665
 666 MECR:   if (mode==2) {
 667                 if (file_checksum(filename) == cksum) {
 668                         printf("*** Aborted message.\n");
 669                         e_ex_code = 1;
 670                         }
 671                 if (e_ex_code==0) goto MEFIN;
 672                 goto MEABT2;
 673                 }
 674 MECR1:  printf("Entry cmd (? for options) -> ");
 675 MECR2:  b=inkey();
 676         if (b==NEXT_KEY) b='n';
 677         if (b==STOP_KEY) b='s';
 678         b=(b&127); b=tolower(b);
 679         if (b=='?') {
 680                 printf("Help\n");
 681                 formout("saveopt");
 682                 goto MECR1;
 683                 }
 684         if (b=='a') { printf("Abort\n");        goto MEABT;     }
 685         if (b=='c') { printf("Continue\n");     goto ME1;       }
 686         if (b=='s') { printf("Save message\n"); goto MEFIN;     }
 687         if (b=='p') {
 688                 printf("Print formatted\n");
 689                 printf(" %s from %s",datestr,fullname);
 690                 if (strlen(recipient)>0) printf(" to %s",recipient);
 691                 printf("\n");
 692                 fp=fopen(filename,"r");
 693                 if (fp!=NULL) {
 694                         fmout(screenwidth,fp,
 695                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 696                                 screenheight,0,0);
 697                         beg = ftell(fp);
 698                         fclose(fp);
 699                         }
 700                 goto MECR;
 701                 }
 702         if (b=='r') {
 703                 printf("Replace string\n");
 704                 replace_string(filename,0L);
 705                 goto MECR;
 706                 }
 707         if (b=='h') {
 708                 printf("Hold message\n");
 709                 return(2);
 710                 }
 711         goto MECR2;
 712
 713 MEFIN:  return(0);
 714
 715 MEABT:  printf("Are you sure? ");
 716         if (yesno()==0) goto ME1;
 717 MEABT2: unlink(filename);
 718         return(2);
 719         }
 720
 721 /*
 722  * transmit message text to the server
 723  */
 724 void transmit_message(FILE *fp)
 725 {
 726         char buf[256];
 727         int ch,a;
 728         long msglen;
 729         time_t lasttick;
 730
 731         fseek(fp, 0L, SEEK_END);
 732         msglen = ftell(fp);
 733         rewind(fp);
 734         lasttick = time(NULL);
 735         strcpy(buf,"");
 736         while (ch=getc(fp), (ch>=0)) {
 737                 if (ch==10) {
 738                         if (!strcmp(buf,"000")) strcpy(buf,">000");
 739                         serv_puts(buf);
 740                         strcpy(buf,"");
 741                         }
 742                 else {
 743                         a = strlen(buf);
 744                         buf[a+1] = 0;
 745                         buf[a] = ch;
 746                         if ((ch==32)&&(strlen(buf)>200)) {
 747                                 buf[a]=0;
 748                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 749                                 serv_puts(buf);
 750                                 strcpy(buf,"");
 751                                 }
 752                         if (strlen(buf)>250) {
 753                                 if (!strcmp(buf,"000")) strcpy(buf,">000");
 754                                 serv_puts(buf);
 755                                 strcpy(buf,"");
 756                                 }
 757                         }
 758
 759                 if ( (time(NULL) - lasttick) > 2L ) {
 760                         printf(" %3ld%% completed\r",
 761                                 ((ftell(fp) * 100L) / msglen) );
 762                         fflush(stdout);
 763                         lasttick = time(NULL);
 764                         }
 765
 766                 }
 767         serv_puts(buf);
 768         printf("                \r");
 769         fflush(stdout);
 770         }
 771
 772
 773
 774 /*
 775  * entmsg()  -  edit and create a message
 776  *              returns 0 if message was saved
 777  */
 778 int entmsg(int is_reply, int c)
 779                         /* nonzero if this was a <R>eply command */
 780        {                /* */
 781         char buf[300];
 782         char cmd[256];
 783         int a,b;
 784         int need_recp = 0;
 785         int mode;
 786         long highmsg;
 787         FILE *fp;
 788
 789         if (c>0) mode=1;
 790         else mode=0;
 791
 792         sprintf(cmd,"ENT0 0||0|%d",mode);
 793         serv_puts(cmd);
 794         serv_gets(cmd);
 795
 796         if ((strncmp(cmd,"570",3)) && (strncmp(cmd,"200",3))) {
 797                 printf("%s\n",&cmd[4]);
 798                 return(1);
 799                 }
 800         need_recp = 0;
 801         if (!strncmp(cmd,"570",3)) need_recp = 1;
 802
 803         if ((userflags & US_EXPERT) == 0) formout("entermsg");
 804
 805         strcpy(buf,"");
 806         if (need_recp==1) {
 807                 if (axlevel>=2) {
 808                         if (is_reply) {
 809                                 strcpy(buf,reply_to);
 810                                 }
 811                         else {
 812                                 printf("Enter recipient: ");
 813                                 getline(buf, 60);
 814                                 if (strlen(buf)==0) return(1);
 815                                 }
 816                         }
 817                 else strcpy(buf,"sysop");
 818                 }
 819
 820         b=0;
 821         if (room_flags&QR_ANONOPT) {
 822                 printf("Anonymous (Y/N)? ");
 823                 if (yesno()==1) b=1;
 824                 }
 825
 826 /* if it's mail, we've got to check the validity of the recipient... */
 827         if (strlen(buf)>0) {
 828                 sprintf(cmd,"ENT0 0|%s|%d|%d",buf,b,mode);
 829                 serv_puts(cmd);
 830                 serv_gets(cmd);
 831                 if (cmd[0]!='2') {
 832                         printf("%s\n",&cmd[4]);
 833                         return(1);
 834                         }
 835                 }
 836
 837 /* learn the number of the newest message in in the room, so we can tell
 838  * upon saving whether someone else has posted too
 839  */
 840         num_msgs = 0;
 841         serv_puts("MSGS LAST|1");
 842         serv_gets(cmd);
 843         if (cmd[0]!='1') {
 844                 printf("%s\n",&cmd[5]);
 845                 }
 846         else {
 847                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 848                         msg_arr[num_msgs++] = atol(cmd);
 849                         }
 850                 }
 851
 852 /* now put together the message */
 853         if ( make_message(temp,buf,b,0,c) != 0 ) return(2);
 854
 855 /* and send it to the server */
 856         sprintf(cmd,"ENT0 1|%s|%d|%d||",buf,b,mode);
 857         serv_puts(cmd);
 858         serv_gets(cmd);
 859         if (cmd[0]!='4') {
 860                 printf("%s\n",&cmd[4]);
 861                 return(1);
 862                 }
 863         fp=fopen(temp,"r");
 864         if (fp!=NULL) {
 865                 transmit_message(fp);
 866                 fclose(fp);
 867                 }
 868         serv_puts("000");
 869         unlink(temp);
 870
 871         highmsg = msg_arr[num_msgs - 1];
 872         num_msgs = 0;
 873         serv_puts("MSGS NEW");
 874         serv_gets(cmd);
 875         if (cmd[0]!='1') {
 876                 printf("%s\n",&cmd[5]);
 877                 }
 878         else {
 879                 while (serv_gets(cmd), strcmp(cmd,"000")) {
 880                         msg_arr[num_msgs++] = atol(cmd);
 881                         }
 882                 }
 883
 884         /* get new highest message number in room to set lrp for goto... */
 885         maxmsgnum = msg_arr[num_msgs - 1];
 886
 887         /* now see if anyone else has posted in here */
 888         b=(-1);
 889         for (a=0; a<num_msgs; ++a) if (msg_arr[a]>highmsg) ++b;
 890
 891         /* in the Mail> room, this algorithm always counts one message
 892          * higher than in public rooms, so we decrement it by one */
 893         if (need_recp) --b;
 894
 895         if (b==1) printf(
 896 "*** 1 additional message has been entered in this room by another user.\n");
 897         if (b>1) printf(
 898 "*** %d additional messages have been entered in this room by other users.\n",b);
 899
 900         return(0);
 901         }
 902
 903 void process_quote(void) {      /* do editing on quoted file */
 904 FILE *qfile,*tfile;
 905 char buf[128];
 906 int line,qstart,qend;
 907
 908         /* Unlink the second temp file as soon as it's opened, so it'll get
 909          * deleted even if the program dies
 910          */
 911         qfile = fopen(temp2,"r");
 912         unlink(temp2);
 913
 914         /* Display the quotable text with line numbers added */
 915         line = 0;
 916         fgets(buf,128,qfile);
 917         while (fgets(buf,128,qfile)!=NULL) {
 918                 printf("%2d %s",++line,buf);
 919                 }
 920         printf("Begin quoting at [ 1] : ");
 921         getline(buf,3);
 922         qstart = (buf[0]==0) ? (1) : atoi(buf);
 923         printf("  End quoting at [%d] : ",line);
 924         getline(buf,3);
 925         qend = (buf[0]==0) ? (line) : atoi(buf);
 926         rewind(qfile);
 927         line=0;
 928         fgets(buf,128,qfile);
 929         tfile=fopen(temp,"w");
 930         while(fgets(buf,128,qfile)!=NULL) {
 931                 if ((++line>=qstart)&&(line<=qend)) fprintf(tfile," >%s",buf);
 932                 }
 933         fprintf(tfile," \n");
 934         fclose(qfile);
 935         fclose(tfile);
 936         chmod(temp,0666);
 937         }
 938
 939
 940
 941 /*
 942  * List the URL's which were embedded in the previous message
 943  */
 944 void list_urls() {
 945         int i;
 946         char cmd[256];
 947
 948         if (num_urls == 0) {
 949                 printf("There were no URL's in the previous message.\n\n");
 950                 return;
 951         }
 952
 953         for (i=0; i<num_urls; ++i) {
 954                 printf("%3d %s\n", i+1, urls[i]);
 955         }
 956
 957         if((i = num_urls) != 1)
 958                 i = intprompt("Display which one", 1, 1, num_urls);
 959
 960         sprintf(cmd, rc_url_cmd, urls[i-1]);
 961         system(cmd);
 962         printf("\n");
 963 }
 964
 965
 966 void readmsgs(int c, int rdir, int q)   /* read contents of a room */
 967                 /* 0=Read all  1=Read new  2=Read old 3=Read last q */
 968                 /* 1=Forward (-1)=Reverse */
 969                 /* Number of msgs to read (if c==3) */
 970         {
 971         int a,b,e,f,g,start;
 972         int hold_sw = 0;
 973         char arcflag = 0;
 974         char quotflag = 0;
 975         int hold_color = 0;
 976         char prtfile[PATH_MAX];
 977         char pagin;
 978         char cmd[256];
 979         char targ[ROOMNAMELEN];
 980         char filename[256];
 981
 982         signal(SIGINT,SIG_IGN);
 983         signal(SIGQUIT,SIG_IGN);
 984
 985         if (c<0) b=(MAXMSGS-1);
 986         else b=0;
 987
 988         sprintf(prtfile, tmpnam(NULL));
 989
 990         num_msgs = 0;
 991         strcpy(cmd,"MSGS ");
 992         switch(c) {
 993                 case 0: strcat(cmd,"ALL");
 994                         break;
 995                 case 1: strcat(cmd,"NEW");
 996                         break;
 997                 case 2: strcat(cmd,"OLD");
 998                         break;
 999                 case 3: sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
1000                         break;
1001                 }
1002         serv_puts(cmd);
1003         serv_gets(cmd);
1004         if (cmd[0]!='1') {
1005                 printf("%s\n",&cmd[5]);
1006                 }
1007         else {
1008                 while (serv_gets(cmd), strcmp(cmd,"000")) {
1009                         if (num_msgs == MAXMSGS) {
1010                                 memcpy(&msg_arr[0], &msg_arr[1],
1011                                         (sizeof(long) * (MAXMSGS - 1)) );
1012                                 --num_msgs;
1013                                 }
1014                         msg_arr[num_msgs++] = atol(cmd);
1015                         }
1016                 }
1017
1018         lines_printed = 0;
1019
1020         /* this loop cycles through each message... */
1021         start = ( (rdir==1) ? 0 : (num_msgs-1) );
1022         for (a=start; ((a<num_msgs)&&(a>=0)); a=a+rdir) {
1023                 while (msg_arr[a]==0L) {
1024                         a=a+rdir; if ((a==MAXMSGS)||(a==(-1))) return;
1025                         }
1026
1027 RAGAIN:         pagin=((arcflag==0)&&(quotflag==0)&&
1028                         (userflags & US_PAGINATOR)) ? 1 : 0;
1029
1030         /* If we're doing a quote, set the screenwidth to 72 temporarily */
1031                 if (quotflag) {
1032                         hold_sw = screenwidth;
1033                         screenwidth = 72;
1034                         }
1035
1036         /* If printing or archiving, set the screenwidth to 80 temporarily */
1037                 if (arcflag) {
1038                         hold_sw = screenwidth;
1039                         screenwidth = 80;
1040                         }
1041
1042         /* now read the message... */
1043                 e=read_message(msg_arr[a],pagin);
1044
1045         /* ...and set the screenwidth back if we have to */
1046                 if ((quotflag)||(arcflag)) {
1047                         screenwidth = hold_sw;
1048                         }
1049 RMSGREAD:       fflush(stdout);
1050                 highest_msg_read = msg_arr[a];
1051                 if (quotflag) {
1052                         freopen("/dev/tty","r+",stdout);
1053                         quotflag=0;
1054                         enable_color = hold_color;
1055                         process_quote();
1056                         }
1057                 if (arcflag) {
1058                         freopen("/dev/tty","r+",stdout);
1059                         arcflag=0;
1060                         enable_color = hold_color;
1061                         f=fork();
1062                         if (f==0) {
1063                                 freopen(prtfile, "r", stdin);
1064                                 sttybbs(SB_RESTORE);
1065                                 ka_system(printcmd);
1066                                 sttybbs(SB_NO_INTR);
1067                                 unlink(prtfile);
1068                                 exit(0);
1069                                 }
1070                         if (f>0) do {
1071                                 g=wait(NULL);
1072                                 } while((g!=f)&&(g>=0));
1073                         printf("Message printed.\n");
1074                         }
1075                 if (e==3) return;
1076                 if ( ((userflags&US_NOPROMPT)||(e==2))
1077                    && (((room_flags&QR_MAILBOX)==0)
1078                      ||(rc_force_mail_prompts==0))  ) {
1079                         e='n';
1080                         }
1081                 else {
1082                         color(DIM_WHITE);
1083                         printf("(");
1084                         color(BRIGHT_WHITE);
1085                         printf("%d",num_msgs-a-1);
1086                         color(DIM_WHITE);
1087                         printf(") ");
1088
1089                         if (is_mail==1) keyopt("<R>eply ");
1090                         keyopt("<B>ack <A>gain <Q>uote <N>ext <S>top ");
1091                         if (rc_url_cmd[0] && num_urls) keyopt("<U>RL View ");
1092                         keyopt("<?>Help/others -> ");
1093
1094                         do {
1095                                 lines_printed = 2;
1096                                 e=(inkey()&127); e=tolower(e);
1097 /* return key same as <N> */    if (e==13) e='n';
1098 /* space key same as <N> */     if (e==32) e='n';
1099 /* del/move for aides only */   if ((!is_room_aide)
1100                                     &&((room_flags&QR_MAILBOX)==0)) {
1101                                         if ((e=='d')||(e=='m')||(e=='c')) e=0;
1102                                         }
1103 /* print only if available */   if ((e=='p')&&(strlen(printcmd)==0)) e=0;
1104 /* can't reply in public rms */ if ((e=='r')&&(is_mail!=1)) e=0;
1105 /* can't file if not allowed */ if ((e=='f')&&(rc_allow_attachments==0)) e=0;
1106 /* link only if browser avail*/ if ((e=='u')&&(strlen(rc_url_cmd)==0)) e=0;
1107                                 } while((e!='a')&&(e!='n')&&(e!='s')
1108                                         &&(e!='d')&&(e!='m')&&(e!='p')
1109                                         &&(e!='q')&&(e!='b')&&(e!='h')
1110                                         &&(e!='r')&&(e!='f')&&(e!='?')
1111                                         &&(e!='u')&&(e!='c'));
1112                         switch(e) {
1113                                 case 's':       printf("Stop\r");       break;
1114                                 case 'a':       printf("Again\r");      break;
1115                                 case 'd':       printf("Delete\r");     break;
1116                                 case 'm':       printf("Move\r");       break;
1117                                 case 'c':       printf("Copy\r");       break;
1118                                 case 'n':       printf("Next\r");       break;
1119                                 case 'p':       printf("Print\r");      break;
1120                                 case 'q':       printf("Quote\r");      break;
1121                                 case 'b':       printf("Back\r");       break;
1122                                 case 'h':       printf("Header\r");     break;
1123                                 case 'r':       printf("Reply\r");      break;
1124                                 case 'f':       printf("File\r");       break;
1125                                 case 'u':       printf("URL's\r");      break;
1126                                 case '?':       printf("? <help>\r");   break;
1127                                 }
1128                         if (userflags & US_DISAPPEAR)
1129                                 printf("\r%79s\r","");
1130                         else
1131                                 printf("\n");
1132                         fflush(stdout);
1133                         }
1134                 switch(e) {
1135                    case '?':    printf("Options available here:\n");
1136                                 printf(" ?  Help (prints this message)\n");
1137                                 printf(" S  Stop reading immediately\n");
1138                                 printf(" A  Again (repeats last message)\n");
1139                                 printf(" N  Next (continue with next message)\n");
1140                                 printf(" B  Back (go back to previous message)\n");
1141                                 if ((is_room_aide)
1142                                     ||(room_flags&QR_MAILBOX)) {
1143                                         printf(" D  Delete this message\n");
1144                                         printf(" M  Move message to another room\n");
1145                                         printf(" C  Copy message to another room\n");
1146                                         }
1147                                 if (strlen(printcmd)>0)
1148                                         printf(" P  Print this message\n");
1149                                 printf(" Q  Quote portions of this message for your next post\n");
1150                                 printf(" H  Headers (display message headers only)\n");
1151                                 if (is_mail)
1152                                         printf(" R  Reply to this message\n");
1153                                 if (rc_allow_attachments)
1154                                         printf(" F  (save attachments to a file)\n");
1155                                 if (strlen(rc_url_cmd)>0)
1156                                         printf(" U  (list URL's for display)\n");
1157                                 printf("\n");
1158                                 goto RMSGREAD;
1159                    case 'p':    fflush(stdout);
1160                                 freopen(prtfile,"w",stdout);
1161                                 arcflag = 1;
1162                                 hold_color = enable_color;
1163                                 enable_color = 0;
1164                                 goto RAGAIN;
1165                    case 'q':    fflush(stdout);
1166                                 freopen(temp2,"w",stdout);
1167                                 quotflag = 1;
1168                                 hold_color = enable_color;
1169                                 enable_color = 0;
1170                                 goto RAGAIN;
1171                    case 's':    return;
1172                    case 'a':    goto RAGAIN;
1173                    case 'b':    a=a-(rdir*2);
1174                                 break;
1175                    case 'm':
1176                    case 'c':
1177                                 newprompt("Enter target room: ",
1178                                         targ,ROOMNAMELEN-1);
1179                                 if (strlen(targ)>0) {
1180                                         sprintf(cmd,"MOVE %ld|%s|%d",
1181                                                 msg_arr[a],targ,
1182                                                 (e=='c' ? 1 : 0) );
1183                                         serv_puts(cmd);
1184                                         serv_gets(cmd);
1185                                         printf("%s\n",&cmd[4]);
1186                                         if (cmd[0]=='2') msg_arr[a]=0L;
1187                                         }
1188                                 else {
1189                                         goto RMSGREAD;
1190                                         }
1191                                 if (cmd[0]!='2') goto RMSGREAD;
1192                                 break;
1193                    case 'f':    newprompt("Which section? ", filename,
1194                                         ((sizeof filename) -1));
1195                                 snprintf(cmd, sizeof cmd,
1196                                         "OPNA %ld|%s", msg_arr[a], filename);
1197                                 serv_puts(cmd);
1198                                 serv_gets(cmd);
1199                                 if (cmd[0]=='2') {
1200                                         extract(filename, &cmd[4], 2);
1201                                         download_to_local_disk(filename,
1202                                                 extract_int(&cmd[4], 0));
1203                                         }
1204                                 else {
1205                                         printf("%s\n",&cmd[4]);
1206                                         }
1207                                 goto RMSGREAD;
1208                    case 'd':    printf("*** Delete this message? ");
1209                                 if (yesno()==1) {
1210                                         sprintf(cmd,"DELE %ld",msg_arr[a]);
1211                                         serv_puts(cmd);
1212                                         serv_gets(cmd);
1213                                         printf("%s\n",&cmd[4]);
1214                                         if (cmd[0]=='2') msg_arr[a]=0L;
1215                                         }
1216                                 else {
1217                                         goto RMSGREAD;
1218                                         }
1219                                 break;
1220                    case 'h':    read_message(msg_arr[a],READ_HEADER);
1221                                 goto RMSGREAD;
1222                    case 'r':    entmsg(1,(DEFAULT_ENTRY==46 ? 2 : 0));
1223                                 goto RMSGREAD;
1224                    case 'u':    list_urls();
1225                                 goto RMSGREAD;
1226                         }
1227                 } /* end for loop */
1228         } /* end read routine */
1229
1230
1231
1232
1233 /*
1234  * View and edit a system message
1235  */
1236 void edit_system_message(char *which_message)
1237 {
1238         char desc[64];
1239         char read_cmd[64];
1240         char write_cmd[64];
1241
1242         sprintf(desc, "system message '%s'", which_message);
1243         sprintf(read_cmd, "MESG %s", which_message);
1244         sprintf(write_cmd, "EMSG %s", which_message);
1245         do_edit(desc, read_cmd, "NOOP", write_cmd);
1246         }