src/cmdline.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2004 Evan Martin <evan@livejournal.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6
   7 #ifdef HAVE_GTK
   8 #include "gtk-all.h"
   9 #else
  10 #include "glib-all.h"
  11 #endif
  12
  13 #ifdef HAVE_REGEX_H
  14 #include <sys/types.h>
  15 #include <regex.h>
  16 #endif
  17
  18 #ifdef HAVE_UNISTD_H
  19 #include <unistd.h>
  20 #endif
  21
  22 #include <string.h>
  23
  24 #include "liblj/consolecommand.h"
  25 #include "liblj/login.h"
  26
  27 #include "getopt.h"
  28
  29 #include "conf_xml.h"
  30 #include "journalstore.h"
  31 #include "network.h"
  32 #include "checkfriends.h"
  33 #include "sync.h"
  34
  35 #include "jamdoc.h"
  36 #include "cmdline.h"
  37 #include "cmdline_data.h"
  38
  39 gboolean net_run_verb_ctx(LJVerb *verb, NetContext *ctx, GError **err);
  40
  41
  42 typedef struct _Command Command;
  43
  44 typedef struct {
  45   JamDoc *doc;
  46   char *username, *password, *postas;
  47   char *filename;
  48
  49   Command *curcmd;
  50
  51   gboolean use_editor;
  52 } Cmdline;
  53
  54 struct _Command {
  55   const char *cmdname; const char *desc;
  56   gboolean requireuser, existinguser, needpw;
  57   void (*action)(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]);
  58 };
  59
  60 static void command_dispatch(Cmdline *cmdline, Command *commands, const char *help, int argc, gchar *argv[]);
  61
  62 #ifndef HAVE_UNISTD_H
  63 /* this is a lame function. it isn't available on windows. */
  64 static gchar*
  65 getpass(const gchar* prompt) {
  66   static gchar buf[64];
  67   gint i;
  68   g_print("%s", prompt);
  69   for (i = 0; i < 64; i++) {
  70     gint ch = getchar(); /* FIXME: this echoes */
  71     if (ch == EOF || ch == (gint)'\n' || ch == (gint)'\r' /* win32 */)
  72       break;
  73     buf[i] = (gchar)ch;
  74   }
  75   buf[63] = '\0';
  76   return buf;
  77 }
  78 #endif /* HAVE_UNISTD_H */
  79
  80 static void
  81 print_header(void) {
  82   g_print(_("LogJam %s\nCopyright (C) 2000-2004 Evan Martin\n\n"), PACKAGE_VERSION);
  83 }
  84
  85 static void
  86 list_commands(Command *commands) {
  87   int maxlen = 0, len;
  88   Command *c;
  89   char *fmt;
  90
  91   for (c = commands; c->cmdname; c++) {
  92     len = strlen(c->cmdname);
  93     if (len > maxlen)
  94       maxlen = len;
  95   }
  96   fmt = g_strdup_printf("  %%-%ds  %%s\n", maxlen);
  97   for (c = commands; c->cmdname; c++)
  98     g_print(fmt, _(c->cmdname), _(c->desc));
  99   g_free(fmt);
 100 }
 101
 102 static void
 103 help_commands(Command *commands) {
 104   g_print(_("Subcommands:\n"));
 105   list_commands(commands);
 106 }
 107
 108 static void
 109 print_help(char *argv0, Command *commands) {
 110   print_header();
 111
 112   g_print(_("Use:  %s [options] [command [commandargs]]\n"), argv0);
 113   g_print("\n");
 114
 115 #ifdef HAVE_GTK
 116   g_print(_("If no subcommand is provided, the default behavior is to load the GUI.\n"));
 117   g_print("\n");
 118 #endif
 119
 120   g_print(_(LOGJAM_HELP_TEXT));
 121
 122   help_commands(commands);
 123
 124 #ifdef HAVE_GTK
 125   g_print("\n");
 126   g_print(_("Also, GTK+ command line options (such as --display) can be used.\n"));
 127 #endif
 128 }
 129
 130 static void
 131 print_command_help(Command *cmd, const char *helptext, Command *subcmds) {
 132   g_print("%s -- %s", cmd->cmdname, helptext);
 133   if (subcmds)
 134     help_commands(subcmds);
 135   exit(EXIT_SUCCESS);
 136 }
 137
 138 #define OPT_LIST_SUBCOMMANDS 1
 139
 140 #define _GETOPT_LOOP(name)                                                  \
 141 {                                                                           \
 142   const char *short_options = name ## _SHORT_OPTIONS;                     \
 143   struct option long_options[] = name ## _LONG_OPTIONS;                   \
 144   optind = 0;                                                             \
 145   for (;;) {                                                              \
 146     int c = getopt_long(argc, argv, short_options, long_options, NULL); \
 147     if (c == -1) break;                                                 \
 148                                       \
 149     switch (c) {                                                        \
 150     case '?': /* unknown option character. */                           \
 151     case ':': /* missing option character. */                           \
 152       g_printerr(_("Unknown or missing option character\n"));         \
 153       exit(EXIT_FAILURE);
 154
 155 #define GETOPT_LOOP_END \
 156     } \
 157   } \
 158 }
 159
 160 #define _GETOPT_LOOP_SUBCOMMANDS(name)                                      \
 161   Command commands[] = name ## _SUBCOMMANDS;                              \
 162   _GETOPT_LOOP(name)                                                      \
 163     case OPT_LIST_SUBCOMMANDS:                                          \
 164       list_commands(commands);                                        \
 165       exit(EXIT_SUCCESS);
 166
 167 #define GETOPT_LOOP_SUBCOMMANDS_END(name)                                   \
 168   GETOPT_LOOP_END                                                         \
 169   command_dispatch(cmdline, commands, name ## _HELP_TEXT, argc, argv);
 170
 171 #define GETOPT_LOOP(name)                                                   \
 172   _GETOPT_LOOP(name)                                                      \
 173     case 'h':                                                           \
 174       print_command_help(cmdline->curcmd,                             \
 175           _(name ## _HELP_TEXT), NULL);
 176
 177 #define GETOPT_LOOP_SUBCOMMANDS(name)                                       \
 178   _GETOPT_LOOP_SUBCOMMANDS(name)                                          \
 179     case 'h':                                                           \
 180       print_command_help(cmdline->curcmd,                             \
 181           _(name ## _HELP_TEXT), commands);
 182
 183
 184 static void
 185 do_console(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 186   GString *command = g_string_new(NULL);
 187   LJConsoleCommand *cc;
 188   GError *err = NULL;
 189   int i;
 190
 191   GETOPT_LOOP(CONSOLE)
 192   GETOPT_LOOP_END
 193
 194   if (!JAM_ACCOUNT_IS_LJ(acc)) {
 195     g_printerr(_("Blogger accounts do not have a console interface.\n"));
 196     exit(EXIT_FAILURE);
 197   }
 198
 199   argc--; argv++; /* skip 'console' */
 200   if (argc <= 0) {
 201     g_printerr(_("Must specify a console command.  Try \"help\".\n"));
 202     exit(EXIT_FAILURE);
 203   }
 204   while (argc--)
 205     if (argc)
 206       g_string_append_printf(command, "%s ", argv++[0]);
 207     else
 208       g_string_append(command, argv++[0]);
 209
 210   cc = lj_consolecommand_new(jam_account_lj_get_user(JAM_ACCOUNT_LJ(acc)),
 211       command->str);
 212   g_string_free(command, TRUE);
 213
 214   if (!net_run_verb_ctx((LJVerb*)cc, network_ctx_cmdline, &err)) {
 215     g_print("Error: %s\n", err->message);
 216     g_error_free(err);
 217     exit(EXIT_FAILURE);
 218   }
 219
 220   for (i = 0; i < cc->linecount; i++) {
 221     g_print("%s\n", cc->lines[i].text);
 222   }
 223
 224   lj_consolecommand_free(cc);
 225
 226   exit(EXIT_SUCCESS);
 227 }
 228
 229 static void
 230 do_post(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 231   gboolean use_editor = FALSE;
 232
 233   GETOPT_LOOP(POST)
 234     case 'e':
 235       use_editor = TRUE;
 236       break;
 237   GETOPT_LOOP_END
 238
 239   if (!jam_host_do_post(jam_account_get_host(acc),
 240       network_ctx_cmdline, cmdline->doc, NULL)) {
 241     exit(EXIT_FAILURE);
 242   }
 243   if (!app.quiet)
 244     g_print(_("Success.\n"));
 245   exit(EXIT_SUCCESS);
 246 }
 247
 248 static void
 249 do_checkfriends(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 250   JamAccountLJ *acclj;
 251   char *subcommand = argc > 1 ? argv[1] : NULL;
 252
 253   app.cli = TRUE;
 254
 255   GETOPT_LOOP(CHECKFRIENDS)
 256   GETOPT_LOOP_END
 257
 258   if (!JAM_ACCOUNT_IS_LJ(acc)) {
 259     g_printerr(_("Checkfriends is only supported by LiveJournal accounts.\n"));
 260     exit(EXIT_FAILURE);
 261   }
 262   acclj = JAM_ACCOUNT_LJ(acc);
 263
 264   if (!subcommand) {
 265     if (checkfriends_cli(acclj)) {
 266       g_print("1\n"); exit(EXIT_SUCCESS); /* NEW */
 267     } else {
 268       g_print("0\n"); exit(EXIT_FAILURE); /* no new entries, or some error */
 269     }
 270   } else if (!g_ascii_strcasecmp("purge", subcommand)) {
 271     char *id = jam_account_id_strdup(acc);
 272     checkfriends_cli_purge(acclj);
 273     g_print(_("Checkfriends information for %s purged.\n"), id);
 274     g_free(id);
 275     exit(EXIT_SUCCESS);
 276   } else {
 277     g_printerr(_("Unknown argument %s to --checkfriends\n"), subcommand);
 278     exit(EXIT_FAILURE);
 279   }
 280 }
 281
 282 static void
 283 do_offline_sync(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 284   GETOPT_LOOP(OFFLINE_SYNC)
 285   GETOPT_LOOP_END
 286
 287   app.cli = TRUE;
 288   if (JAM_ACCOUNT_IS_LJ(acc)) {
 289     if (sync_run(JAM_ACCOUNT_LJ(acc), NULL))
 290       exit(EXIT_SUCCESS);
 291   } else {
 292     g_printerr(_("Sync is only supported by LiveJournal accounts.\n"));
 293   }
 294   exit(EXIT_FAILURE);
 295 }
 296
 297 static void
 298 do_offline_cat(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 299   LJEntryFileType output_type = LJ_ENTRY_FILE_RFC822;
 300   JournalStore *js = NULL;
 301   GError *err = NULL;
 302   GString *text;
 303   gint counter = 0; /* how many entries written. for rfc822 separator. */
 304   gboolean mailbox = FALSE;
 305
 306   GETOPT_LOOP(OFFLINE_CAT)
 307     case 'm':
 308       mailbox = TRUE;
 309       break;
 310     case 't':
 311       output_type = LJ_ENTRY_FILE_RFC822;
 312       break;
 313     case 'x':
 314       output_type = LJ_ENTRY_FILE_XML;
 315       break;
 316   GETOPT_LOOP_END
 317
 318   if (optind >= argc) {
 319     fprintf(stderr,
 320         _("Specify at least one itemid or 'latest'.\n"));
 321     exit(EXIT_FAILURE);
 322   }
 323   if (!(js = journal_store_open(acc, FALSE, &err))) {
 324     fprintf(stderr,
 325         "%s", err->message);
 326     g_error_free(err);
 327     exit(EXIT_FAILURE);
 328   }
 329   while (optind < argc) {
 330     gchar snum[16];
 331     gint  num = atoi(argv[optind]);
 332     LJEntry *entry;
 333
 334     g_snprintf(snum, 16, "%d", num);
 335     if (strncmp(snum, argv[optind], 16)) {
 336       if (strncmp(argv[optind], "latest", 7)) {
 337         fprintf(stderr,
 338             _("expected itemid, got %s\n"), argv[optind]);
 339         exit(EXIT_FAILURE);
 340       } else {
 341         num = journal_store_get_latest_id(js);
 342       }
 343     }
 344     if (!(entry = journal_store_get_entry(js, num))) {
 345       fprintf(stderr,
 346           _("entry %d not found\n"), num);
 347       exit(EXIT_FAILURE);
 348     }
 349     switch (output_type) {
 350       case LJ_ENTRY_FILE_RFC822:
 351         if (counter++)
 352           /* entry separator lead-in: *two* newlines unlike RFC822
 353            * email, so that later on in reading a entrybox we can
 354            * tell an entry doesn't end with a newline. */
 355           g_print("\n\n");
 356         text = lj_entry_to_rfc822(entry, FALSE);
 357         if (mailbox) {
 358           time_t now = time(NULL);
 359           g_print("From %s@%s %s"
 360                   "X-LogJam-Itemid: %d\n"
 361                   "%s",
 362                   jam_account_get_username(acc),
 363                   jam_account_get_host(acc)->name,
 364               ctime(&now),
 365                   num, text->str);
 366         } else {
 367           g_print("X-LogJam-Itemid: %d\n"
 368               "X-LogJam-User: %s\n"
 369               "X-LogJam-Server: %s\n"
 370               "%s",
 371               num, jam_account_get_username(acc),
 372               jam_account_get_host(acc)->name, text->str);
 373         }
 374         g_string_free(text, TRUE);
 375         break;
 376       case LJ_ENTRY_FILE_XML:
 377       default:
 378         fprintf(stderr, "(xml cat not yet implemented.)\n");
 379         exit(EXIT_FAILURE);
 380     }
 381     lj_entry_free(entry);
 382     optind++;
 383   }
 384   exit(EXIT_SUCCESS);
 385 }
 386
 387 #ifdef HAVE_REGEX_H
 388 /* from regexp documentation in glibc */
 389 static char *get_regerror (int errcode, regex_t *compiled)
 390 {
 391   size_t length = regerror (errcode, compiled, NULL, 0);
 392   char *buffer = g_new (char, length);
 393   (void) regerror (errcode, compiled, buffer, length);
 394   return buffer;
 395 }
 396 #endif /* HAVE_REGEX_H */
 397
 398 static void
 399 do_offline_grep(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 400 #ifdef HAVE_REGEX_H
 401   LJEntryFileType output_type = LJ_ENTRY_FILE_RFC822;
 402   JournalStore *js = NULL;
 403   GError *err = NULL;
 404   GString *text;
 405   gint counter = 0; /* how many entries written. for rfc822 separator. */
 406   gint cflags = 0;
 407   gint res;
 408   gint latest, itemid;
 409   regex_t regexp;
 410
 411   GETOPT_LOOP(OFFLINE_GREP)
 412     case 't':
 413       output_type = LJ_ENTRY_FILE_RFC822;
 414       break;
 415     case 'x':
 416       output_type = LJ_ENTRY_FILE_XML;
 417       break;
 418     case 'e':
 419       cflags |= REG_EXTENDED;
 420       break;
 421     case 'i':
 422       cflags |= REG_ICASE;
 423       break;
 424   GETOPT_LOOP_END
 425
 426   if (optind >= argc) {
 427     g_printerr(_("Specify a regexp to match\n"));
 428     exit(EXIT_FAILURE);
 429   }
 430   if (!(js = journal_store_open(acc, FALSE, &err))) {
 431     g_printerr("%s", err->message);
 432     g_error_free(err);
 433     exit(EXIT_FAILURE);
 434   }
 435   if ((res = regcomp(&regexp, argv[optind], cflags | REG_NOSUB))) {
 436     gchar *re_error = get_regerror(res, &regexp);
 437     g_printerr(_("Regexp error: %s.\n"), re_error);
 438     g_free(re_error);
 439     exit(EXIT_FAILURE);
 440   }
 441
 442   latest = journal_store_get_latest_id(js);
 443   for (itemid = 1; itemid <= latest; itemid++) {
 444     LJEntry *entry;
 445
 446     if (!(entry = journal_store_get_entry(js, itemid)))
 447       continue; /* deleted item */
 448
 449     // XXX body only
 450     switch (regexec(&regexp, entry->event, 0, NULL, 0)) {
 451       case REG_NOMATCH:
 452         continue; /* item does not match */
 453       case REG_ESPACE:
 454         g_printerr(_("Regexp error: out of memory.\n"));
 455         exit(EXIT_FAILURE);
 456       default:
 457         ; /* proceed */
 458     }
 459
 460     switch (output_type) {
 461       case LJ_ENTRY_FILE_RFC822:
 462         if (counter++)
 463           /* entry separator lead-in: *two* newlines unlike RFC822
 464            * email, so that later on in reading a entrybox we can
 465            * tell an entry doesn't end with a newline. */
 466           g_print("\n\n");
 467         text = lj_entry_to_rfc822(entry, FALSE);
 468         g_print("X-LogJam-Itemid: %d\n"
 469             "X-LogJam-User: %s\n"
 470             "X-LogJam-Server: %s\n"
 471             "%s",
 472             itemid, jam_account_get_username(acc),
 473             jam_account_get_host(acc)->name, text->str);
 474         g_string_free(text, TRUE);
 475         break;
 476       case LJ_ENTRY_FILE_XML:
 477       default:
 478         g_printerr("Not yet implemented.\n");
 479         exit(EXIT_FAILURE);
 480     }
 481     lj_entry_free(entry);
 482   }
 483   exit(EXIT_SUCCESS);
 484 #else /* HAVE_REGEX_H */
 485   g_printerr(_("LogJam was compiled without regular expression support.\n"));
 486   exit(EXIT_FAILURE);
 487 #endif /* HAVE_REGEX_H */
 488 }
 489
 490 static void
 491 do_offline_summary(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 492   GError *err = NULL;
 493   JournalStore *js = NULL;
 494   char *id, *lastsync;
 495
 496   GETOPT_LOOP(OFFLINE_SUMMARY)
 497   GETOPT_LOOP_END
 498   command_dispatch(cmdline, NULL, _(OFFLINE_SUMMARY_HELP_TEXT), argc, argv);
 499
 500   if (!(js = journal_store_open(acc, FALSE, &err))) {
 501     fprintf(stderr,
 502         "%s", err->message);
 503     g_error_free(err);
 504     exit(EXIT_FAILURE);
 505   }
 506
 507   id = jam_account_id_strdup(acc);
 508   g_print(_("Offline journal for '%s':\n"), id);
 509   g_free(id);
 510
 511   lastsync = journal_store_get_lastsync(js);
 512   g_print(_("  Last synced: %s.\n"), lastsync);
 513   g_free(lastsync);
 514
 515   g_print(_("  Entry count: %d.\n"), journal_store_get_count(js));
 516   g_print(_("  Latest itemid: %d.\n"), journal_store_get_latest_id(js));
 517   exit(EXIT_SUCCESS);
 518 }
 519
 520 static void
 521 do_offline_reindex(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 522   GError *err = NULL;
 523
 524   GETOPT_LOOP(OFFLINE_REINDEX)
 525   GETOPT_LOOP_END
 526   command_dispatch(cmdline, NULL, _(OFFLINE_REINDEX_HELP_TEXT), argc, argv);
 527
 528   g_print(_("Rebuilding index..."));
 529   fflush(stdout);
 530   if (!journal_store_reindex(acc, &err)) {
 531     g_print(_(" ERROR: %s.\n"), err->message);
 532     g_error_free(err);
 533     exit(EXIT_FAILURE);
 534   } else {
 535     g_print(_("done.\n"));
 536     exit(EXIT_SUCCESS);
 537   }
 538 }
 539
 540 static void
 541 do_offline(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 542   GETOPT_LOOP_SUBCOMMANDS(OFFLINE)
 543   GETOPT_LOOP_SUBCOMMANDS_END(OFFLINE)
 544   print_command_help(cmdline->curcmd, _(OFFLINE_HELP_TEXT), commands);
 545 }
 546
 547
 548 static void
 549 do_user_add(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 550   const char *username, *password = NULL;
 551   gboolean remember_password = TRUE;
 552   JamHost *host;
 553
 554   GETOPT_LOOP(USER_ADD)
 555     case 'p':
 556       remember_password = FALSE;
 557       break;
 558   GETOPT_LOOP_END
 559
 560   argc -= optind;
 561   argv += optind;
 562
 563   if (argc < 1) {
 564     g_print(_("Error: specify a user.\n"));
 565     g_print(_(USER_ADD_HELP_TEXT));
 566     exit(EXIT_FAILURE);
 567   }
 568   username = argv[0];
 569
 570   if (remember_password) {
 571     if (argc < 2) {
 572       password = getpass("Password: ");
 573     } else {
 574       password = argv[1];
 575     }
 576   }
 577
 578   conf_verify_a_host_exists();
 579   if (conf.lasthost) {
 580     host = conf.lasthost;
 581   } else {
 582     host = conf.hosts->data;
 583     conf.lasthost = host;
 584   }
 585
 586   acc = jam_host_get_account_by_username(host, username, /*create = */TRUE);
 587   if (password)
 588     jam_account_set_password(acc, password);
 589   jam_account_set_remember(acc, TRUE, remember_password);
 590   conf_write(&conf, app.conf_dir);
 591   exit(EXIT_SUCCESS);
 592 }
 593
 594 static void
 595 do_user(Cmdline *cmdline, JamAccount *acc, gint argc, gchar *argv[]) {
 596   GETOPT_LOOP_SUBCOMMANDS(USER)
 597   GETOPT_LOOP_SUBCOMMANDS_END(USER)
 598   print_command_help(cmdline->curcmd, _(USER_HELP_TEXT), commands);
 599 }
 600
 601 JamAccount*
 602 cmdline_load_account(Cmdline *cmdline, gboolean existinguser, gboolean needpw) {
 603   JamHost *host;
 604   JamAccount *acc;
 605
 606   if (!cmdline->username &&
 607       conf.lasthost && conf.lasthost->lastaccount &&
 608       conf.lasthost->lastaccount->remember_password) {
 609     acc = conf.lasthost->lastaccount;
 610   } else {
 611     if (!cmdline->username)
 612       return NULL;
 613
 614     if (conf.lasthost)
 615       host = conf.lasthost;
 616     else if (conf.hosts)
 617       host = conf.hosts->data;
 618     else
 619       return NULL;
 620
 621     acc = jam_host_get_account_by_username(host, cmdline->username,
 622         !existinguser);
 623   }
 624
 625   if (!acc) {
 626     g_printerr(_("Unknown account '%s'.\n"), cmdline->username);
 627     return NULL;
 628   }
 629
 630   if (cmdline->password)
 631     jam_account_set_password(acc, cmdline->password);
 632   if (!jam_account_get_password(acc) && needpw) {
 633     char *password;
 634     if ((password = getpass(_("Password: "))) != NULL)
 635       jam_account_set_password(acc, password);
 636   }
 637
 638   // XXX usejournal
 639   // if (cmdline->postas)
 640   //  string_replace(&conf.usejournal, g_strdup(cmdline->postas));
 641
 642   /* if they're running a console command, we exit before we
 643    * get a chance to write this new conf out.  so we do it here. */
 644   conf_write(&conf, app.conf_dir);
 645
 646   return acc;
 647 }
 648
 649 gboolean
 650 cmdline_load_file(JamDoc *doc, char *filename, GError **err) {
 651   if (strcmp(filename, "-") == 0) {
 652     LJEntry *entry;
 653     entry = lj_entry_new_from_file(stdin,
 654         LJ_ENTRY_FILE_AUTODETECT, NULL, err);
 655     if (!entry) return FALSE;
 656     jam_doc_load_entry(doc, entry);
 657     lj_entry_free(entry);
 658     return TRUE;
 659   } else {
 660     return jam_doc_load_file(doc, filename, LJ_ENTRY_FILE_AUTODETECT, err);
 661   }
 662 }
 663
 664 static void
 665 command_dispatch(Cmdline *cmdline, Command *commands, const char *help, int argc, gchar *argv[]) {
 666   JamAccount *acc;
 667   Command *command = NULL;
 668   char *cmdname;
 669   int i;
 670
 671   argc -= optind;
 672   argv += optind;
 673   cmdname = argv[0];
 674
 675   if (argc <= 0)
 676     return;
 677
 678   if (g_ascii_strcasecmp(cmdname, "help") == 0) {
 679     g_print(help);
 680     exit(EXIT_SUCCESS);
 681   }
 682   for (i = 0; commands && commands[i].cmdname; i++) {
 683     if (g_ascii_strcasecmp(cmdname, commands[i].cmdname) == 0) {
 684       command = &commands[i];
 685       break;
 686     }
 687   }
 688   if (!command) {
 689     g_printerr(_("Error: Unknown action '%s'.\n"), cmdname);
 690     exit(EXIT_FAILURE);
 691   }
 692   cmdline->curcmd = command;
 693   if (command->requireuser) {
 694     acc = cmdline_load_account(cmdline,
 695                                command->existinguser, command->needpw);
 696     if (!acc) {
 697       g_printerr(_("Error:  Must specify account.\n"));
 698       exit(EXIT_FAILURE);
 699     }
 700     jam_doc_set_account(cmdline->doc, acc);
 701   }
 702   command->action(cmdline, acc, argc, argv);
 703   /* should terminate. */
 704   g_error("not reached");
 705 }
 706
 707 void
 708 cmdline_parse(JamDoc *doc, int argc, char *argv[]) {
 709   Cmdline cmdline_real = { .doc = doc };
 710   Cmdline *cmdline = &cmdline_real;
 711
 712   _GETOPT_LOOP_SUBCOMMANDS(LOGJAM)
 713     case 'h':
 714       print_help(argv[0], commands);
 715       exit(EXIT_SUCCESS);
 716     case 'v':
 717       print_header();
 718       exit(EXIT_SUCCESS);
 719     case 'u':
 720       cmdline->username = optarg;
 721       break;
 722     case 'a':
 723       cmdline->postas = optarg;
 724       break;
 725     case 'p':
 726       cmdline->password = optarg;
 727       break;
 728     case 'e':
 729       cmdline->use_editor = TRUE;
 730       break;
 731     case 'q':
 732       app.quiet = TRUE;
 733       break;
 734     case 'f':
 735       cmdline_load_file(doc, optarg, NULL); /* XXX error */
 736       break;
 737   GETOPT_LOOP_SUBCOMMANDS_END(LOGJAM)
 738
 739   /* if we get here, there wasn't a command to run. */
 740   if (cmdline->username) {
 741     JamAccount *acc;
 742     acc = cmdline_load_account(cmdline, FALSE, TRUE);
 743     jam_doc_set_account(doc, acc);
 744   }
 745   if (cmdline->use_editor) {
 746     GError *err = NULL;
 747     LJEntry *entry = jam_doc_get_entry(doc);
 748     if (!lj_entry_edit_with_usereditor(entry, app.conf_dir, &err)) {
 749       g_printerr("%s", err->message);
 750       exit(EXIT_FAILURE);
 751     }
 752     jam_doc_load_entry(doc, entry);
 753     lj_entry_free(entry);
 754   }
 755 }