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460 lines
10 KiB
460 lines
10 KiB
/* $Id$ |
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* |
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* isync - IMAP4 to maildir mailbox synchronizer |
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* Copyright (C) 2000-2 Michael R. Elkins <me@mutt.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <sys/types.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <stdarg.h> |
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#include <limits.h> |
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#include <pwd.h> |
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#include <stdio.h> |
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#include <errno.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include <dirent.h> |
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#include "isync.h" |
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#if HAVE_GETOPT_LONG |
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#define _GNU_SOURCE |
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#include <getopt.h> |
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int Quiet; |
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void |
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info (const char *msg, ...) |
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{ |
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va_list va; |
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if (!Quiet) |
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{ |
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va_start (va, msg); |
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vprintf (msg, va); |
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va_end (va); |
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} |
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} |
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void |
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infoc (char c) |
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{ |
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if (!Quiet) |
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putchar (c); |
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} |
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struct option Opts[] = { |
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{"all", 0, NULL, 'a'}, |
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{"list", 0, NULL, 'l'}, |
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{"config", 1, NULL, 'c'}, |
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{"create", 0, NULL, 'C'}, |
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{"create-local", 0, NULL, 'L'}, |
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{"create-remote", 0, NULL, 'R'}, |
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{"delete", 0, NULL, 'd'}, |
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{"expunge", 0, NULL, 'e'}, |
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{"fast", 0, NULL, 'f'}, |
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{"help", 0, NULL, 'h'}, |
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{"remote", 1, NULL, 'r'}, |
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{"folder", 1, NULL, 'F'}, |
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{"maildir", 1, NULL, 'M'}, |
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{"one-to-one", 0, NULL, '1'}, |
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{"inbox", 1, NULL, 'I'}, |
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{"host", 1, NULL, 's'}, |
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{"port", 1, NULL, 'p'}, |
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{"quiet", 0, NULL, 'q'}, |
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{"user", 1, NULL, 'u'}, |
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{"version", 0, NULL, 'v'}, |
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{"verbose", 0, NULL, 'V'}, |
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{0, 0, 0, 0} |
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}; |
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#endif |
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config_t global; |
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unsigned int Tag = 0; |
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char Hostname[256]; |
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int Verbose = 0; |
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static void |
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version (void) |
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{ |
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puts (PACKAGE " " VERSION); |
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exit (0); |
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} |
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static void |
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usage (int code) |
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{ |
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fputs ( |
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PACKAGE " " VERSION " IMAP4 to maildir synchronizer\n" |
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"Copyright (C) 2000-2 Michael R. Elkins <me@mutt.org>\n" |
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"usage:\n" |
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" " PACKAGE " [ flags ] mailbox [mailbox ...]\n" |
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" " PACKAGE " [ flags ] -a\n" |
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" " PACKAGE " [ flags ] -l\n" |
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" -a, --all synchronize all defined mailboxes\n" |
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" -l, --list list all defined mailboxes and exit\n" |
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" -L, --create-local create local maildir mailbox if nonexistent\n" |
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" -R, --create-remote create remote imap mailbox if nonexistent\n" |
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" -C, --create create both local and remote mailboxes if nonexistent\n" |
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" -d, --delete delete local msgs that don't exist on the server\n" |
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" -e, --expunge expunge deleted messages from the server\n" |
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" -f, --fast only fetch new messages\n" |
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" -r, --remote BOX remote mailbox\n" |
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" -F, --folder DIR remote IMAP folder containing mailboxes\n" |
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" -M, --maildir DIR local directory containing mailboxes\n" |
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" -1, --one-to-one map every IMAP <folder>/box to <maildir>/box\n" |
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" -I, --inbox BOX map IMAP INBOX to <maildir>/BOX (exception to -1)\n" |
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" -s, --host HOST IMAP server address\n" |
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" -p, --port PORT server IMAP port\n" |
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" -u, --user USER IMAP user name\n" |
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" -c, --config CONFIG read an alternate config file (default: ~/.isyncrc)\n" |
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" -V, --verbose verbose mode (display network traffic)\n" |
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" -q, --quiet don't display progress info\n" |
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" -v, --version display version\n" |
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" -h, --help display this help message\n" |
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"Compile time options:\n" |
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#if HAVE_LIBSSL |
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" +HAVE_LIBSSL\n" |
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#else |
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" -HAVE_LIBSSL\n" |
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#endif |
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, code ? stderr : stdout); |
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exit (code); |
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} |
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char * |
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next_arg (char **s) |
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{ |
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char *ret; |
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if (!s) |
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return 0; |
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if (!*s) |
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return 0; |
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while (isspace ((unsigned char) **s)) |
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(*s)++; |
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if (!**s) |
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{ |
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*s = 0; |
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return 0; |
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} |
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if (**s == '"') |
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{ |
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++*s; |
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ret = *s; |
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*s = strchr (*s, '"'); |
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} |
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else |
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{ |
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ret = *s; |
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while (**s && !isspace ((unsigned char) **s)) |
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(*s)++; |
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} |
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if (*s) |
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{ |
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if (**s) |
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*(*s)++ = 0; |
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if (!**s) |
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*s = 0; |
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} |
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return ret; |
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} |
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int |
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main (int argc, char **argv) |
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{ |
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int i; |
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config_t *box = 0; |
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mailbox_t *mail = 0; |
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imap_t *imap = 0; |
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int expunge = 0; /* by default, don't delete anything */ |
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int fast = 0; |
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int delete = 0; |
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char *config = 0; |
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struct passwd *pw; |
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int all = 0; |
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int list = 0; |
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int o2o = 0; |
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int mbox_open_mode = 0; |
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int imap_create = 0; |
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pw = getpwuid (getuid ()); |
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/* defaults */ |
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memset (&global, 0, sizeof (global)); |
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/* XXX the precedence is borked: |
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it's defaults < cmdline < file instead of defaults < file < cmdline */ |
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global.port = 143; |
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global.box = "INBOX"; |
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global.folder = ""; |
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global.user = strdup (pw->pw_name); |
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global.maildir = strdup (pw->pw_dir); |
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global.use_namespace = 1; |
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#if HAVE_LIBSSL |
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/* this will probably annoy people, but its the best default just in |
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* case people forget to turn it on |
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*/ |
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global.require_ssl = 1; |
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global.use_tlsv1 = 1; |
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#endif |
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#define FLAGS "alCLRc:defhp:qu:r:F:M:1I:s:vV" |
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#if HAVE_GETOPT_LONG |
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while ((i = getopt_long (argc, argv, FLAGS, Opts, NULL)) != -1) |
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#else |
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while ((i = getopt (argc, argv, FLAGS)) != -1) |
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#endif |
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{ |
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switch (i) |
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{ |
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case 'l': |
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list = 1; |
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/* plopp */ |
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case 'a': |
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all = 1; |
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break; |
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case '1': |
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o2o = 1; |
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break; |
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case 'C': |
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mbox_open_mode |= OPEN_CREATE; |
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imap_create = 1; |
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break; |
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case 'L': |
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mbox_open_mode |= OPEN_CREATE; |
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break; |
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case 'R': |
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imap_create = 1; |
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break; |
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case 'c': |
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config = optarg; |
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break; |
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case 'd': |
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delete = 1; |
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break; |
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case 'e': |
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expunge = 1; |
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break; |
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case 'f': |
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mbox_open_mode |= OPEN_FAST; |
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fast = 1; |
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break; |
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case 'p': |
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global.port = atoi (optarg); |
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break; |
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case 'q': |
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Quiet = 1; |
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Verbose = 0; |
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break; |
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case 'r': |
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global.box = optarg; |
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break; |
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case 'F': |
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global.folder = optarg; |
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break; |
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case 'M': |
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free (global.maildir); |
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global.maildir = strdup (optarg); |
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break; |
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case 'I': |
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global.inbox = optarg; |
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break; |
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case 's': |
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#if HAVE_LIBSSL |
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if (!strncasecmp ("imaps:", optarg, 6)) |
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{ |
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global.use_imaps = 1; |
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optarg += 6; |
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} |
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#endif |
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global.host = optarg; |
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break; |
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case 'u': |
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free (global.user); |
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global.user = optarg; |
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break; |
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case 'V': |
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Verbose = 1; |
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break; |
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case 'v': |
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version (); |
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case 'h': |
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usage (0); |
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default: |
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usage (1); |
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} |
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} |
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if (!argv[optind] && !all) |
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{ |
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fprintf (stderr, "No mailbox specified"); |
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usage (1); |
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} |
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gethostname (Hostname, sizeof (Hostname)); |
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load_config (config, &o2o); |
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if (all && o2o) |
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{ |
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DIR *dir; |
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struct dirent *de; |
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if (global.inbox) { |
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boxes = malloc (sizeof (config_t)); |
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memcpy (boxes, &global, sizeof (config_t)); |
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boxes->box = "INBOX"; |
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boxes->path = global.inbox; |
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} |
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if (!(dir = opendir (global.maildir))) { |
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fprintf (stderr, "%s: %s\n", global.maildir, strerror(errno)); |
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return 1; |
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} |
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while ((de = readdir (dir))) { |
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if (*de->d_name == '.') |
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continue; |
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if (global.inbox && !strcmp (global.inbox, de->d_name)) |
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continue; |
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box = malloc (sizeof (config_t)); |
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memcpy (box, &global, sizeof (config_t)); |
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box->path = strdup (de->d_name); |
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box->box = box->path; |
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box->next = boxes; |
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boxes = box; |
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} |
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closedir (dir); |
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imap = imap_connect (&global); |
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if (!imap) |
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goto bork; |
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if (imap_list (imap)) |
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goto bork; |
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} |
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if (list) |
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{ |
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for (box = boxes; box; box = box->next) |
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puts (box->path); |
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exit (0); |
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} |
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for (box = boxes; (all && box) || (!all && argv[optind]); optind++) |
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{ |
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if (!all) |
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{ |
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if (o2o || NULL == (box = find_box (argv[optind]))) |
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{ |
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/* if enough info is given on the command line, don't worry if |
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* the mailbox isn't defined. |
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*/ |
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if (!global.host) |
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{ |
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fprintf (stderr, "%s: no such mailbox\n", argv[optind]); |
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/* continue is ok here because we are not handling the |
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* `all' case. |
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*/ |
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continue; |
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} |
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global.path = argv[optind]; |
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box = &global; |
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if (o2o) |
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global.box = |
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(global.inbox && !strcmp (global.path, global.inbox)) ? |
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"INBOX" : global.path; |
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} |
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} |
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do { |
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info ("Mailbox %s\n", box->path); |
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mail = maildir_open (box->path, mbox_open_mode); |
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if (!mail) |
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{ |
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fprintf (stderr, "%s: unable to open mailbox\n", box->path); |
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break; |
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} |
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imap = imap_open (box, fast ? mail->maxuid + 1 : 1, imap, imap_create); |
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if (!imap) |
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{ |
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fprintf (stderr, "%s: skipping mailbox due to IMAP error\n", |
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box->path); |
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break; |
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} |
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info ("Synchronizing\n"); |
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i = (delete || box->delete) ? SYNC_DELETE : 0; |
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i |= (expunge || box->expunge) ? SYNC_EXPUNGE : 0; |
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if (sync_mailbox (mail, imap, i, box->max_size, box->max_messages)) |
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{ |
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imap_close (imap); /* Just to be safe. Don't really know |
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* what the problem was. |
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*/ |
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imap = NULL; /* context no longer valid */ |
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break; |
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} |
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if (!fast) |
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{ |
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if ((expunge || box->expunge) && |
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(imap->deleted || mail->deleted)) |
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{ |
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/* remove messages marked for deletion */ |
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info ("Expunging %d messages from server\n", imap->deleted); |
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if (imap_expunge (imap)) |
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{ |
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imap_close (imap); |
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imap = NULL; |
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break; |
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} |
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info ("Expunging %d messages from local mailbox\n", |
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mail->deleted); |
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if (maildir_expunge (mail, 0)) |
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break; |
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} |
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/* remove messages deleted from server. this can safely be an |
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* `else' clause since dead messages are marked as deleted by |
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* sync_mailbox. |
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*/ |
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else if (delete) |
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maildir_expunge (mail, 1); |
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} |
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} while (0); |
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/* we never sync the same mailbox twice, so close it now */ |
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if (mail) |
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maildir_close (mail); |
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/* the imap connection is not closed so we can keep the connection |
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* open, and there is no IMAP command for un-SELECT-ing a mailbox. |
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*/ |
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if (all) |
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box = box->next; |
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} |
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/* gracefully close connection to the IMAP server */ |
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imap_close (imap); |
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bork: |
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free_config (); |
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#if DEBUG |
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debug_cleanup (); |
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#endif |
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exit (0); |
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}
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