alpine/rpload.c

   1 #if !defined(lint) && !defined(DOS)
   2 static char rcsid[] = "$Id: rpload.c 1074 2008-06-04 00:08:43Z hubert@u.washington.edu $";
   3 #endif
   4
   5 /*
   6  * ========================================================================
   7  * Copyright 2013-2016 Eduardo Chappa
   8  * Copyright 2006-2008 University of Washington
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *     http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * ========================================================================
  17  */
  18
  19 #include "headers.h"
  20 #include "radio.h"              /* OE_PASSWD */
  21 #include "../pith/util.h"       /* IS_REMOTE() */
  22 #include "../pith/remote.h"     /* REMOTE_ABOOK_SUBTYPE... */
  23
  24
  25 typedef enum {Pinerc, Abook, Sig, Smime, NotSet} RemoteType;
  26
  27
  28 int        parse_args(int, char **, int *, int *, char **, char **, RemoteType *);
  29 RemoteType check_for_header_msg(MAILSTREAM *);
  30 char      *ptype(RemoteType);
  31 char      *spechdr(RemoteType);
  32 int        add_initial_msg(MAILSTREAM *, char *, char *);
  33 int        append_data(MAILSTREAM *, char *, char *, FILE *);
  34 void       trim_data(MAILSTREAM *, int);
  35 void       write_fake_headers(RFC822BUFFER *, char *, char *, char *);
  36 char      *err_desc(int);
  37 int        opt_enter(char *, int, char *, int *);
  38
  39
  40 int   noshow_error = 0;
  41 char *ustr = "usage: %s [-s trimSize] [-f] -t Type -l Local_file  -r Remote_folder\n";
  42
  43
  44 /* look for my_timer_period in pico directory for an explanation */
  45 int my_timer_period = ((IDLE_TIMEOUT + 1)*1000);
  46
  47
  48 #ifdef _WINDOWS
  49
  50 #undef main
  51
  52 app_main (argc, argv)
  53     int argc;
  54     char argv[];
  55 {
  56 }
  57
  58 #endif /* _WINDOWS */
  59
  60
  61 /*
  62  *  rpload [-s trimSize] [-f] -t Type -l Local_file -r Remote_folder
  63  *
  64  *  Type is one of abook
  65  *                 pinerc
  66  *                 smime
  67  *                 sig         (this is mostly obsolete, literal sigs
  68  *                              should be used instead)
  69  *                 -f means force the folder to be written even if it
  70  *                    doesn't look like it is of the right format
  71  *
  72  *   Note: We're not worrying about memory leaks.
  73  */
  74 int
  75 main(argc, argv)
  76     int   argc;
  77     char *argv[];
  78 {
  79     MAILSTREAM *stream = NULL;
  80     FILE       *fp;
  81     int         delete_existing = 0, usage = 0;
  82     int         force = 0, trimsize = 0;
  83     char       *local = NULL, *remote = NULL, *special_hdr = NULL;
  84     RemoteType  rt, type = NotSet;
  85
  86 #include "../c-client/linkage.c"
  87
  88     if(parse_args(argc, argv, &force, &trimsize, &local, &remote, &type)){
  89         fprintf(stderr, ustr, argv[0]);
  90         exit(-1);
  91     }
  92
  93     if(!local || !*local){
  94         fprintf(stderr, "No local file specified\n");
  95         usage++;
  96     }
  97
  98     if(!remote || !*remote){
  99         fprintf(stderr, "No remote folder specified\n");
 100         usage++;
 101     }
 102
 103     if(type == NotSet){
 104         fprintf(stderr, "Type must be set to one of:\n");
 105         for(rt = Pinerc; rt != NotSet; rt++)
 106           fprintf(stderr, "  %s\n", ptype(rt));
 107
 108         usage++;
 109     }
 110
 111     if(usage){
 112         fprintf(stderr, ustr, argv[0]);
 113         exit(-1);
 114     }
 115
 116     if(!IS_REMOTE(remote)){
 117         fprintf(stderr,
 118                 "Remote folder name \"%s\" %s\n", remote,
 119                 (*remote != '{') ? "must begin with \"{\"" : "not valid");
 120         exit(-1);
 121     }
 122
 123     if(IS_REMOTE(local)){
 124         fprintf(stderr, "Argument to -l (%s) must be a local filename", local);
 125         exit(-1);
 126     }
 127
 128     if(access(local, ACCESS_EXISTS) != 0){
 129         fprintf(stderr, "Local file \"%s\" does not exist\n", local);
 130         exit(-1);
 131     }
 132
 133     if(access(local, READ_ACCESS) != 0){
 134         fprintf(stderr,
 135                 "Can't read local file \"%s\": %s\n",
 136                 local, err_desc(errno));
 137         exit(-1);
 138     }
 139
 140     /*
 141      * Try opening the local file.
 142      */
 143     if((fp = fopen(local, "r")) == NULL){
 144         fprintf(stderr, "Can't open \"%s\": %s\n", local, err_desc(errno));
 145         exit(-1);
 146     }
 147
 148     /*
 149      * Try opening the remote folder. If it doesn't exist, create it.
 150      */
 151
 152     /* failure would be normal here, so don't show it */
 153     noshow_error = 1;
 154     stream = mail_open(NULL, remote, 0L);
 155     if(!stream || stream->halfopen){
 156         if(stream && stream->halfopen){
 157             noshow_error = 0;
 158             if(!mail_create(stream, remote))
 159               exit(-1);
 160
 161             stream = mail_open(stream, remote, 0L);
 162             if(!stream || stream->halfopen)
 163               exit(-1);
 164         }
 165         else{
 166             fprintf(stderr, "Trouble opening remote folder \"%s\"\n", remote);
 167             exit(-1);
 168         }
 169     }
 170
 171     noshow_error = 0;
 172
 173     if(stream->rdonly){
 174         fprintf(stderr, "Remote folder \"%s\" is not writable\n", remote);
 175         exit(-1);
 176     }
 177
 178     if(stream->nmsgs > 0){
 179         /*
 180          * There is a first message already. Check to see if it is one of
 181          * our special header messages.
 182          */
 183         rt = check_for_header_msg(stream);
 184         if(rt == NotSet){
 185             if(force)
 186               delete_existing++;
 187             else{
 188                 fprintf(stderr, "Folder \"%s\"\ndoes not appear to be an Alpine remote \"%s\" folder.\nUse -f to force.\n", remote, ptype(type));
 189                 fprintf(stderr, "-f will cause %ld messages to be deleted\n",
 190                         stream->nmsgs);
 191                 exit(-1);
 192             }
 193         }
 194         else if(rt != type){
 195             if(force)
 196               delete_existing++;
 197             else{
 198                 fprintf(stderr, "Folder \"%s\" is type \"%s\"\nUse -f to force switch.\n", remote, ptype(rt));
 199                 fprintf(stderr, "-f will cause %ld messages to be deleted\n",
 200                         stream->nmsgs);
 201                 exit(-1);
 202             }
 203         }
 204     }
 205
 206     if(delete_existing){
 207         char sequence[20];
 208
 209         mail_ping(stream);
 210         snprintf(sequence, sizeof(sequence), "1:%ld", stream->nmsgs);
 211         mail_flag(stream, sequence, "\\DELETED", ST_SET);
 212         mail_expunge(stream);
 213         mail_ping(stream);
 214     }
 215
 216     special_hdr = spechdr(type);
 217
 218     /*
 219      * Add the explanatory header message if needed.
 220      */
 221     if(stream->nmsgs == 0){
 222         if(add_initial_msg(stream, remote, special_hdr) != 0){
 223             mail_close(stream);
 224             exit(-1);
 225         }
 226     }
 227
 228     /*
 229      * Add the actual data in a message.
 230      */
 231     if(append_data(stream, remote, special_hdr, fp) != 0){
 232         mail_close(stream);
 233         exit(-1);
 234     }
 235
 236     /*
 237      * Trim the size of the remote folder.
 238      */
 239     if(trimsize)
 240       trim_data(stream, trimsize);
 241
 242     mail_close(stream);
 243     exit(0);
 244 }
 245
 246
 247 RemoteType
 248 check_for_header_msg(stream)
 249     MAILSTREAM *stream;
 250 {
 251     STRINGLIST *sl;
 252     int         ret = NotSet;
 253     char       *h, *try;
 254     size_t      len;
 255     char       *pinerc, *abook, *sig, *smime;
 256
 257     pinerc = spechdr(Pinerc);
 258     abook  = spechdr(Abook);
 259     sig    = spechdr(Sig);
 260     smime  = spechdr(Smime);
 261
 262     len = MAX(MAX(strlen(pinerc), strlen(abook)), MAX(strlen(sig), strlen(smime)));
 263
 264     sl = mail_newstringlist();
 265     sl->text.data = (unsigned char *)fs_get((len+1) * sizeof(unsigned char));
 266     try = pinerc;
 267     strncpy((char *)sl->text.data, try, len);
 268     sl->text.data[len] = '\0';
 269     sl->text.size = strlen((char *) sl->text.data);
 270
 271     if(stream && (h=mail_fetch_header(stream,1L,NULL,sl,NULL,FT_PEEK))){
 272
 273         if(strlen(h) >= sl->text.size && !struncmp(h, try, sl->text.size))
 274           ret = Pinerc;
 275     }
 276
 277     if(ret == NotSet){
 278         try = abook;
 279         strncpy((char *)sl->text.data, try, len);
 280         sl->text.data[len] = '\0';
 281         sl->text.size = strlen((char *) sl->text.data);
 282         if(stream && (h=mail_fetch_header(stream,1L,NULL,sl,NULL,FT_PEEK))){
 283
 284             if(strlen(h) >= sl->text.size && !struncmp(h, try, sl->text.size))
 285               ret = Abook;
 286         }
 287     }
 288
 289     if(ret == NotSet){
 290         try = sig;
 291         strncpy((char *)sl->text.data, try, len);
 292         sl->text.data[len] = '\0';
 293         sl->text.size = strlen((char *) sl->text.data);
 294         if(stream && (h=mail_fetch_header(stream,1L,NULL,sl,NULL,FT_PEEK))){
 295
 296             if(strlen(h) >= sl->text.size && !struncmp(h, try, sl->text.size))
 297               ret = Sig;
 298         }
 299     }
 300
 301     if(sl)
 302       mail_free_stringlist(&sl);
 303
 304     if(pinerc)
 305       fs_give((void **)&pinerc);
 306     if(abook)
 307       fs_give((void **)&abook);
 308     if(sig)
 309       fs_give((void **)&sig);
 310     if(smime)
 311       fs_give((void **)&smime);
 312
 313     return(ret);
 314 }
 315
 316
 317 char *
 318 ptype(rtype)
 319     RemoteType rtype;
 320 {
 321     char *ret = NULL;
 322
 323     switch(rtype){
 324       case Pinerc:
 325         ret = cpystr("pinerc");
 326         break;
 327       case Abook:
 328         ret = cpystr("abook");
 329         break;
 330       case Sig:
 331         ret = cpystr("sig");
 332         break;
 333       case Smime:
 334         ret = cpystr("smime");
 335         break;
 336       default:
 337         break;
 338     }
 339
 340     return(ret);
 341 }
 342
 343
 344 char *
 345 spechdr(rtype)
 346     RemoteType rtype;
 347 {
 348     char *ret = NULL;
 349
 350     switch(rtype){
 351       case Pinerc:
 352         ret = cpystr(REMOTE_PINERC_SUBTYPE);
 353         break;
 354       case Abook:
 355         ret = cpystr(REMOTE_ABOOK_SUBTYPE);
 356         break;
 357       case Sig:
 358         ret = cpystr(REMOTE_SIG_SUBTYPE);
 359         break;
 360       case Smime:
 361         ret = cpystr(REMOTE_SMIME_SUBTYPE);
 362         break;
 363       default:
 364         break;
 365     }
 366
 367     return(ret);
 368 }
 369
 370
 371 int
 372 parse_args(argc, argv, force, trimsize, local, remote, type)
 373     int          argc;
 374     char       **argv;
 375     int         *force, *trimsize;
 376     char       **local, **remote;
 377     RemoteType  *type;
 378 {
 379     int    ac;
 380     char **av;
 381     int    c;
 382     char  *str;
 383     int    usage = 0;
 384     RemoteType  rt;
 385
 386     ac = argc;
 387     av = argv;
 388
 389       /* while more arguments with leading - */
 390 Loop: while(--ac > 0 && **++av == '-'){
 391         /* while more chars in this argument */
 392         while(*++*av){
 393             switch(c = **av){
 394               case 'h':
 395                 usage++;
 396                 break;
 397               case 'f':
 398                 (*force)++;
 399                 break;
 400
 401               case 't': case 'l':       /* string args */
 402               case 'r':
 403               case 's':                 /* integer args */
 404                 if(*++*av)
 405                   str = *av;
 406                 else if(--ac)
 407                   str = *++av;
 408                 else{
 409                     fprintf(stderr, "missing argument for flag \"%c\"\n", c);
 410                     ++usage;
 411                     goto Loop;
 412                 }
 413
 414                 switch(c){
 415                   case 'l':
 416                     if(str)
 417                       *local = str;
 418
 419                     break;
 420                   case 'r':
 421                     if(str)
 422                       *remote = str;
 423
 424                     break;
 425                   case 't':
 426                     for(rt = Pinerc; rt != NotSet; rt++){
 427                         if(!strucmp(str, ptype(rt)))
 428                           break;
 429                     }
 430
 431                     *type = rt;
 432                     break;
 433                   case 's':
 434                     if(!isdigit((unsigned char)str[0])){
 435                         fprintf(stderr,
 436                                 "non-numeric argument for flag \"%c\"\n", c);
 437                         ++usage;
 438                         break;
 439                     }
 440
 441                     *trimsize = atoi(str);
 442                     if(*trimsize < 1){
 443                         fprintf(stderr, "trimsize of %d is too small, have to leave at least one copy\n", *trimsize);
 444                         ++usage;
 445                     }
 446                     else if(*trimsize > 100){
 447                         fprintf(stderr,
 448                         "trimsize of %d is too large, 5 or 10 is sufficient\n",
 449                                 *trimsize);
 450                         ++usage;
 451                     }
 452
 453                     break;
 454                 }
 455
 456                 goto Loop;
 457
 458                 default:
 459                   fprintf(stderr, "unknown flag \"%c\"\n", c);
 460                   ++usage;
 461                   break;
 462             }
 463          }
 464       }
 465
 466     if(ac != 0)
 467       usage++;
 468
 469     return(usage);
 470 }
 471
 472
 473 long
 474 dummy_soutr(stream, string)
 475     void *stream;
 476     char *string;
 477 {
 478     return LONGT;
 479 }
 480
 481
 482 /*
 483  * Add an explanatory first message advising user that this is a
 484  * special sort of folder.
 485  */
 486 int
 487 add_initial_msg(stream, mailbox, special_hdr)
 488     MAILSTREAM *stream;
 489     char       *mailbox;
 490     char       *special_hdr;
 491 {
 492     STRING        msg;
 493     char          buf[20000];
 494     RFC822BUFFER  rbuf;
 495
 496     rbuf.f   = dummy_soutr;
 497     rbuf.s   = NULL;
 498     rbuf.beg = buf;
 499     rbuf.cur = buf;
 500     rbuf.end = buf+sizeof(buf)-1;
 501     write_fake_headers(&rbuf, "Header Message for Remote Data", "plain", special_hdr);
 502     *rbuf.cur = '\0';
 503
 504     buf[sizeof(buf)-1] = '\0';
 505
 506     if(!strucmp(special_hdr, REMOTE_ABOOK_SUBTYPE)){
 507         strncat(buf, "This folder contains a single Alpine addressbook.\015\012", sizeof(buf)-strlen(buf)-1);
 508         strncat(buf, "This message is just an explanatory message.\015\012", sizeof(buf)-strlen(buf)-1);
 509         strncat(buf, "The last message in the folder is the live addressbook data.\015\012", sizeof(buf)-strlen(buf)-1);
 510         strncat(buf, "The rest of the messages contain previous revisions of the addressbook data.\015\012", sizeof(buf)-strlen(buf)-1);
 511         strncat(buf, "To restore a previous revision just delete and expunge all of the messages\015\012", sizeof(buf)-strlen(buf)-1);
 512         strncat(buf, "which come after it.\015\012", sizeof(buf)-strlen(buf)-1);
 513     }
 514     else if(!strucmp(special_hdr, REMOTE_PINERC_SUBTYPE)){
 515         strncat(buf, "This folder contains an Alpine config file.\015\012", sizeof(buf)-strlen(buf)-1);
 516         strncat(buf, "This message is just an explanatory message.\015\012", sizeof(buf)-strlen(buf)-1);
 517         strncat(buf, "The last message in the folder is the live config data.\015\012", sizeof(buf)-strlen(buf)-1);
 518         strncat(buf, "The rest of the messages contain previous revisions of the data.\015\012", sizeof(buf)-strlen(buf)-1);
 519         strncat(buf, "To restore a previous revision just delete and expunge all of the messages\015\012", sizeof(buf)-strlen(buf)-1);
 520         strncat(buf, "which come after it.\015\012", sizeof(buf)-strlen(buf)-1);
 521     }
 522     else if(!strucmp(special_hdr, REMOTE_SMIME_SUBTYPE)){
 523         strncat(buf, "This folder contains Alpine S/MIME config information.\015\012", sizeof(buf)-strlen(buf)-1);
 524         strncat(buf, "This message is just an explanatory message.\015\012", sizeof(buf)-strlen(buf)-1);
 525         strncat(buf, "The last message in the folder is the live data.\015\012", sizeof(buf)-strlen(buf)-1);
 526         strncat(buf, "The rest of the messages contain previous revisions of the data.\015\012", sizeof(buf)-strlen(buf)-1);
 527         strncat(buf, "To restore a previous revision just delete and expunge all of the messages\015\012", sizeof(buf)-strlen(buf)-1);
 528         strncat(buf, "which come after it.\015\012", sizeof(buf)-strlen(buf)-1);
 529     }
 530     else{
 531         strncat(buf, "This folder contains remote Alpine data.\015\012", sizeof(buf)-strlen(buf)-1);
 532         strncat(buf, "This message is just an explanatory message.\015\012", sizeof(buf)-strlen(buf)-1);
 533         strncat(buf, "The last message in the folder is the live data.\015\012", sizeof(buf)-strlen(buf)-1);
 534         strncat(buf, "The rest of the messages contain previous revisions of the data.\015\012", sizeof(buf)-strlen(buf)-1);
 535         strncat(buf, "To restore a previous revision just delete and expunge all of the messages\015\012", sizeof(buf)-strlen(buf)-1);
 536         strncat(buf, "which come after it.\015\012", sizeof(buf)-strlen(buf)-1);
 537     }
 538
 539     INIT(&msg, mail_string, (void *)buf, strlen(buf));
 540     if(!mail_append(stream, mailbox, &msg))
 541       return(-1);
 542
 543     return(0);
 544 }
 545
 546
 547 /*
 548  * Add a message to the folder with the contents of the local data
 549  * in it.
 550  */
 551 int
 552 append_data(stream, mailbox, special_hdr, fp)
 553     MAILSTREAM *stream;
 554     char       *mailbox;
 555     char       *special_hdr;
 556     FILE       *fp;
 557 {
 558     STRING        msg;
 559     char          buf[20000], *sto, *p;
 560     struct stat   sbuf;
 561     long          filelen, len;
 562     int           c, nextc;
 563     RFC822BUFFER  rbuf;
 564
 565     if(fstat(fileno(fp), &sbuf) != 0){
 566         fprintf(stderr, "fstat of local file failed\n");
 567         return(-1);
 568     }
 569
 570     filelen = (long) sbuf.st_size;
 571
 572     rbuf.f   = dummy_soutr;
 573     rbuf.s   = NULL;
 574     rbuf.beg = buf;
 575     rbuf.cur = buf;
 576     rbuf.end = buf+sizeof(buf)-1;
 577     write_fake_headers(&rbuf, "Pine Remote Data Container", special_hdr,
 578                        special_hdr);
 579     *rbuf.cur = '\0';
 580
 581     buf[sizeof(buf)-1] = '\0';
 582
 583     /* very conservative estimate of space needed */
 584     len = filelen + filelen + strlen(buf) + 10;
 585     sto = fs_get((len+1) * sizeof(char));
 586
 587     strncpy(sto, buf, len);
 588     sto[len] = '\0';
 589     p = sto + strlen(sto);
 590     /* Write the contents */
 591     while((c = getc(fp)) != EOF){
 592         /*
 593          * c-client expects CRLF-terminated lines. These lines
 594          * can be either CRLF- or LF-terminated. We have to convert them
 595          * when we copy into c-client.
 596          */
 597         if(c == '\r' || c == '\n'){
 598             if(c == '\r' && ((nextc = getc(fp)) != '\n') && nextc != EOF)
 599               ungetc(nextc, fp);
 600
 601             /* write the CRFL */
 602             if(p - sto < len)
 603               *p++ = '\r';
 604
 605             if(p - sto < len)
 606               *p++ = '\n';
 607         }
 608         else if(p - sto < len)
 609           *p++ = c;
 610     }
 611
 612     fclose(fp);
 613     if(p - sto < len)
 614       *p = '\0';
 615
 616     sto[len] = '\0';
 617
 618     INIT(&msg, mail_string, (void *)sto, strlen(sto));
 619     if(!mail_append(stream, mailbox, &msg)){
 620         fprintf(stderr, "Copy failed\n");
 621         return(-1);
 622     }
 623
 624     fs_give((void **)&sto);
 625
 626     return(0);
 627 }
 628
 629
 630 /*
 631  * Trim the number of saved copies of the remote data history in case
 632  * this is the only way this folder is ever updated. We leave
 633  * the first message there because it is supposed to be an explanatory
 634  * message, but we don't actually check to see whether or not it is
 635  * such a message or not.
 636  */
 637 void
 638 trim_data(stream, trimsize)
 639     MAILSTREAM *stream;
 640     int         trimsize;
 641 {
 642     if(stream->nmsgs > trimsize + 1){
 643         char sequence[20];
 644
 645         mail_ping(stream);
 646         snprintf(sequence, sizeof(sequence), "2:%ld", stream->nmsgs - trimsize);
 647         mail_flag(stream, sequence, "\\DELETED", ST_SET);
 648         mail_expunge(stream);
 649     }
 650 }
 651
 652
 653 void
 654 write_fake_headers(where, subject, subtype, special_hdr)
 655     RFC822BUFFER *where;
 656     char *subject;
 657     char *subtype;
 658     char *special_hdr;
 659 {
 660     ENVELOPE *fake_env;
 661     BODY     *fake_body;
 662     ADDRESS  *fake_from;
 663     char      date[200], vers[10];
 664
 665     fake_env = (ENVELOPE *)fs_get(sizeof(ENVELOPE));
 666     memset(fake_env, 0, sizeof(ENVELOPE));
 667     fake_body = (BODY *)fs_get(sizeof(BODY));
 668     memset(fake_body, 0, sizeof(BODY));
 669     fake_from = (ADDRESS *)fs_get(sizeof(ADDRESS));
 670     memset(fake_from, 0, sizeof(ADDRESS));
 671     rfc822_date(date);
 672
 673     fake_env->subject = cpystr(subject);
 674     fake_env->date = (unsigned char *) cpystr(date);
 675     fake_from->personal = cpystr("Pine Remote Data");
 676     fake_from->mailbox = cpystr("nobody");
 677     fake_from->host = cpystr("nowhere");
 678     fake_env->from = fake_from;
 679     fake_body->type = REMOTE_DATA_TYPE;
 680     fake_body->subtype = cpystr(subtype);
 681
 682     snprintf(vers, sizeof(vers), "%d", REMOTE_DATA_VERS_NUM);
 683
 684     /* re-use subtype for special header name, too */
 685     rfc822_output_header_line(where, special_hdr, 0L, vers);
 686     rfc822_output_header(where, fake_env, fake_body, NULL, 0L);
 687     mail_free_envelope(&fake_env);
 688     mail_free_body(&fake_body);
 689 }
 690
 691
 692 char *
 693 err_desc(err)
 694     int err;
 695 {
 696     return((char *) strerror(err));
 697 }
 698
 699
 700 void mm_exists(stream, number)
 701     MAILSTREAM *stream;
 702     unsigned long number;
 703 {
 704 }
 705
 706
 707 void mm_expunged(stream, number)
 708     MAILSTREAM *stream;
 709     unsigned long number;
 710 {
 711 }
 712
 713
 714 void mm_flags(stream, number)
 715     MAILSTREAM *stream;
 716     unsigned long number;
 717 {
 718 }
 719
 720
 721 void mm_list(stream, delim, name, attrib)
 722     MAILSTREAM *stream;
 723     int   delim;
 724     char *name;
 725     long attrib;
 726 {
 727 }
 728
 729
 730 void mm_lsub(stream, delimiter, name, attributes)
 731     MAILSTREAM *stream;
 732     int delimiter;
 733     char *name;
 734     long attributes;
 735 {
 736 }
 737
 738
 739 void mm_notify(stream, string, errflg)
 740     MAILSTREAM *stream;
 741     char *string;
 742     long errflg;
 743 {
 744     mm_log(string, errflg);
 745 }
 746
 747
 748 void mm_log(string, errflg)
 749     char *string;
 750     long errflg;
 751 {
 752     if(noshow_error)
 753       return;
 754
 755     switch(errflg){
 756       case BYE:
 757       case NIL:
 758         break;
 759
 760       case PARSE:
 761         fprintf(stderr, "PARSE: %s\n", string);
 762         break;
 763
 764       case WARN:
 765         fprintf(stderr, "WARN: %s\n", string);
 766         break;
 767
 768       case ERROR:
 769         fprintf(stderr, "ERROR: %s\n", string);
 770         break;
 771
 772       default:
 773         fprintf(stderr, "%s\n", string);
 774         break;
 775     }
 776 }
 777
 778
 779 void mm_login(mb, user, pwd, trial)
 780     NETMBX *mb;
 781     char   *user;
 782     char   *pwd;
 783     long    trial;
 784 {
 785     char prompt[100], *last;
 786     int  i, j, goal, ugoal, len, rc, flags = 0;
 787 #define NETMAXPASSWD 100
 788
 789     user[NETMAXUSER-1] = '\0';
 790
 791     if(trial == 0L){
 792         if(mb->user && *mb->user){
 793             strncpy(user, mb->user, NETMAXUSER);
 794             user[NETMAXUSER-1] = '\0';
 795         }
 796     }
 797
 798     if(!*mb->user){
 799         /* Dress up long hostnames */
 800         snprintf(prompt, sizeof(prompt), "%sHOST: ",
 801                 (mb->sslflag||mb->tlsflag) ? "+ " : "");
 802         len = strlen(prompt);
 803         /* leave space for "HOST", "ENTER NAME", and 15 chars for input name */
 804         goal = 80 - (len + 20 + MIN(15, 80/5));
 805         last = "  ENTER LOGIN NAME: ";
 806         if(goal < 9){
 807             last = " LOGIN: ";
 808             if((goal += 13) < 9){
 809                 last += 1;
 810                 goal = 0;
 811             }
 812         }
 813
 814         if(goal){
 815             for(i = len, j = 0;
 816                 i < sizeof(prompt) && (prompt[i] = mb->host[j]); i++, j++)
 817               if(i == goal && mb->host[goal+1] && i < sizeof(prompt)){
 818                   strncpy(&prompt[i-3], "...", sizeof(prompt)-(i-3));
 819                   prompt[sizeof(prompt)-1] = '\0';
 820                   break;
 821               }
 822         }
 823         else
 824           i = 0;
 825
 826         strncpy(&prompt[i], last, sizeof(prompt)-i);
 827         prompt[sizeof(prompt)-1] = '\0';
 828
 829         while(1) {
 830             rc = opt_enter(user, NETMAXUSER, prompt, &flags);
 831             if(rc != 4)
 832               break;
 833         }
 834
 835         if(rc == 1 || !user[0]) {
 836             user[0]   = '\0';
 837             pwd[0] = '\0';
 838         }
 839     }
 840     else
 841       strncpy(user, mb->user, NETMAXUSER);
 842
 843     user[NETMAXUSER-1] = '\0';
 844     pwd[NETMAXPASSWD-1] = '\0';
 845
 846     if(!user[0])
 847       return;
 848
 849
 850     /* Dress up long host/user names */
 851     /* leave space for "HOST", "USER" "ENTER PWD", 12 for user 6 for pwd */
 852     snprintf(prompt, sizeof(prompt), "%sHOST: ", (mb->sslflag||mb->tlsflag) ? "+ " : "");
 853     len = strlen(prompt);
 854     goal  = strlen(mb->host);
 855     ugoal = strlen(user);
 856     if((i = 80 - (len + 8 + 18 + 6)) < 14){
 857         goal = 0;               /* no host! */
 858         if((i = 80 - (6 + 18 + 6)) <= 6){
 859             ugoal = 0;          /* no user! */
 860             if((i = 80 - (18 + 6)) <= 0)
 861               i = 0;
 862         }
 863         else{
 864             ugoal = i;          /* whatever's left */
 865             i     = 0;
 866         }
 867     }
 868     else
 869       while(goal + ugoal > i)
 870         if(goal > ugoal)
 871           goal--;
 872         else
 873           ugoal--;
 874
 875     if(goal){
 876         snprintf(prompt, sizeof(prompt), "%sHOST: ",
 877                 (mb->sslflag||mb->tlsflag) ? "+ " : "");
 878         for(i = len, j = 0;
 879             i < sizeof(prompt) && (prompt[i] = mb->host[j]); i++, j++)
 880           if(i == goal && mb->host[goal+1] && i < sizeof(prompt)){
 881               strncpy(&prompt[i-3], "...", sizeof(prompt)-(i-3));
 882               prompt[sizeof(prompt)-1] = '\0';
 883               break;
 884           }
 885     }
 886     else
 887       i = 0;
 888
 889     if(ugoal){
 890         strncpy(&prompt[i], &"  USER: "[i ? 0 : 2], sizeof(prompt)-i);
 891         prompt[sizeof(prompt)-1] = '\0';
 892         for(i += strlen(&prompt[i]), j = 0;
 893             i < sizeof(prompt) && (prompt[i] = user[j]); i++, j++)
 894           if(j == ugoal && user[ugoal+1] && i < sizeof(prompt)){
 895               strncpy(&prompt[i-3], "...", sizeof(prompt)-(i-3));
 896               prompt[sizeof(prompt)-1] = '\0';
 897               break;
 898           }
 899     }
 900
 901     strncpy(&prompt[i], &"  ENTER PASSWORD: "[i ? 0 : 8], sizeof(prompt)-i);
 902     prompt[sizeof(prompt)-1] = '\0';
 903
 904     *pwd = '\0';
 905     while(1) {
 906         flags = OE_PASSWD;
 907         rc = opt_enter(pwd, NETMAXPASSWD, prompt, &flags);
 908         if(rc != 4)
 909           break;
 910     }
 911
 912     if(rc == 1 || !pwd[0]) {
 913         user[0] = pwd[0] = '\0';
 914         return;
 915     }
 916 }
 917
 918
 919 void mm_critical(stream)
 920     MAILSTREAM *stream;
 921 {
 922 }
 923
 924
 925 void mm_nocritical(stream)
 926     MAILSTREAM *stream;
 927 {
 928 }
 929
 930
 931 long mm_diskerror(stream, errcode, serious)
 932     MAILSTREAM *stream;
 933     long errcode;
 934     long serious;
 935 {
 936     return T;
 937 }
 938
 939
 940 void mm_fatal(string)
 941     char *string;
 942 {
 943     fprintf(stderr, "%s\n", string);
 944 }
 945
 946
 947 void mm_searched(stream, msgno)
 948     MAILSTREAM *stream;
 949     unsigned long msgno;
 950 {
 951 }
 952
 953
 954 void mm_status(stream, mailbox, status)
 955     MAILSTREAM *stream;
 956     char *mailbox;
 957     MAILSTATUS *status;
 958 {
 959 }
 960
 961 void mm_dlog(string)
 962     char *string;
 963 {
 964     fprintf(stderr, "%s\n", string);
 965 }
 966
 967
 968 int
 969 opt_enter(string, field_len, prompt, flags)
 970      char       *string, *prompt;
 971      int         field_len;
 972      int        *flags;
 973 {
 974     char *pw;
 975     int   return_v = -10;
 976
 977     while(return_v == -10){
 978
 979         if(flags && *flags & OE_PASSWD){
 980             if((pw = getpass(prompt)) != NULL){
 981                 if(strlen(pw) < field_len){
 982                     strncpy(string, pw, field_len);
 983                     string[field_len-1] = '\0';
 984                     return_v = 0;
 985                 }
 986                 else{
 987                     fputs("Password too long\n", stderr);
 988                     return_v = -1;
 989                 }
 990             }
 991             else
 992               return_v = 1;     /* cancel? */
 993         }
 994         else{
 995             char *p;
 996
 997             fputs(prompt, stdout);
 998             fgets(string, field_len, stdin);
 999             string[field_len-1] = '\0';
1000             if((p = strpbrk(string, "\r\n")) != NULL)
1001               *p = '\0';
1002
1003             return_v = 0;
1004         }
1005     }
1006
1007     return(return_v);
1008 }