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![Randal L. Schwartz](/assets/img/avatar_default.png)
This patch works... I've been using it to stay current. Signed-off-by: Junio C Hamano <junkio@cox.net>
1360 lines
29 KiB
C
1360 lines
29 KiB
C
/*
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* git-imap-send - drops patches into an imap Drafts folder
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* derived from isync/mbsync - mailbox synchronizer
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*
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* Copyright (C) 2000-2002 Michael R. Elkins <me@mutt.org>
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* Copyright (C) 2002-2004 Oswald Buddenhagen <ossi@users.sf.net>
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* Copyright (C) 2004 Theodore Y. Ts'o <tytso@mit.edu>
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* Copyright (C) 2006 Mike McCormack
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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 "cache.h"
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#include <assert.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netdb.h>
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typedef struct store_conf {
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char *name;
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const char *path; /* should this be here? its interpretation is driver-specific */
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char *map_inbox;
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char *trash;
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unsigned max_size; /* off_t is overkill */
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unsigned trash_remote_new:1, trash_only_new:1;
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} store_conf_t;
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typedef struct string_list {
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struct string_list *next;
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char string[1];
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} string_list_t;
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typedef struct channel_conf {
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struct channel_conf *next;
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char *name;
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store_conf_t *master, *slave;
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char *master_name, *slave_name;
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char *sync_state;
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string_list_t *patterns;
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int mops, sops;
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unsigned max_messages; /* for slave only */
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} channel_conf_t;
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typedef struct group_conf {
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struct group_conf *next;
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char *name;
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string_list_t *channels;
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} group_conf_t;
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/* For message->status */
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#define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
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#define M_DEAD (1<<1) /* expunged */
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#define M_FLAGS (1<<2) /* flags fetched */
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typedef struct message {
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struct message *next;
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/* string_list_t *keywords; */
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size_t size; /* zero implies "not fetched" */
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int uid;
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unsigned char flags, status;
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} message_t;
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typedef struct store {
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store_conf_t *conf; /* foreign */
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/* currently open mailbox */
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const char *name; /* foreign! maybe preset? */
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char *path; /* own */
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message_t *msgs; /* own */
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int uidvalidity;
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unsigned char opts; /* maybe preset? */
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/* note that the following do _not_ reflect stats from msgs, but mailbox totals */
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int count; /* # of messages */
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int recent; /* # of recent messages - don't trust this beyond the initial read */
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} store_t;
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typedef struct {
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char *data;
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int len;
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unsigned char flags;
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unsigned char crlf:1;
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} msg_data_t;
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#define DRV_OK 0
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#define DRV_MSG_BAD -1
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#define DRV_BOX_BAD -2
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#define DRV_STORE_BAD -3
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static int Verbose, Quiet;
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static void info( const char *, ... );
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static void warn( const char *, ... );
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static char *next_arg( char ** );
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static void free_generic_messages( message_t * );
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static int nfvasprintf( char **str, const char *fmt, va_list va );
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static int nfsnprintf( char *buf, int blen, const char *fmt, ... );
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static void arc4_init( void );
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static unsigned char arc4_getbyte( void );
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typedef struct imap_server_conf {
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char *name;
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char *tunnel;
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char *host;
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int port;
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char *user;
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char *pass;
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} imap_server_conf_t;
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typedef struct imap_store_conf {
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store_conf_t gen;
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imap_server_conf_t *server;
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unsigned use_namespace:1;
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} imap_store_conf_t;
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#define NIL (void*)0x1
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#define LIST (void*)0x2
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typedef struct _list {
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struct _list *next, *child;
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char *val;
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int len;
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} list_t;
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typedef struct {
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int fd;
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} Socket_t;
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typedef struct {
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Socket_t sock;
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int bytes;
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int offset;
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char buf[1024];
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} buffer_t;
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struct imap_cmd;
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typedef struct imap {
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int uidnext; /* from SELECT responses */
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list_t *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
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unsigned caps, rcaps; /* CAPABILITY results */
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/* command queue */
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int nexttag, num_in_progress, literal_pending;
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struct imap_cmd *in_progress, **in_progress_append;
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buffer_t buf; /* this is BIG, so put it last */
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} imap_t;
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typedef struct imap_store {
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store_t gen;
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int uidvalidity;
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imap_t *imap;
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const char *prefix;
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unsigned /*currentnc:1,*/ trashnc:1;
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} imap_store_t;
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struct imap_cmd_cb {
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int (*cont)( imap_store_t *ctx, struct imap_cmd *cmd, const char *prompt );
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void (*done)( imap_store_t *ctx, struct imap_cmd *cmd, int response);
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void *ctx;
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char *data;
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int dlen;
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int uid;
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unsigned create:1, trycreate:1;
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};
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struct imap_cmd {
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struct imap_cmd *next;
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struct imap_cmd_cb cb;
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char *cmd;
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int tag;
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};
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#define CAP(cap) (imap->caps & (1 << (cap)))
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enum CAPABILITY {
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NOLOGIN = 0,
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UIDPLUS,
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LITERALPLUS,
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NAMESPACE,
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};
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static const char *cap_list[] = {
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"LOGINDISABLED",
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"UIDPLUS",
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"LITERAL+",
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"NAMESPACE",
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};
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#define RESP_OK 0
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#define RESP_NO 1
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#define RESP_BAD 2
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static int get_cmd_result( imap_store_t *ctx, struct imap_cmd *tcmd );
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static const char *Flags[] = {
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"Draft",
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"Flagged",
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"Answered",
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"Seen",
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"Deleted",
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};
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static void
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socket_perror( const char *func, Socket_t *sock, int ret )
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{
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if (ret < 0)
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perror( func );
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else
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fprintf( stderr, "%s: unexpected EOF\n", func );
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}
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static int
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socket_read( Socket_t *sock, char *buf, int len )
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{
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int n = read( sock->fd, buf, len );
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if (n <= 0) {
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socket_perror( "read", sock, n );
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close( sock->fd );
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sock->fd = -1;
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}
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return n;
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}
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static int
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socket_write( Socket_t *sock, char *buf, int len )
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{
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int n = write( sock->fd, buf, len );
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if (n != len) {
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socket_perror( "write", sock, n );
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close( sock->fd );
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sock->fd = -1;
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}
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return n;
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}
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/* simple line buffering */
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static int
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buffer_gets( buffer_t * b, char **s )
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{
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int n;
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int start = b->offset;
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*s = b->buf + start;
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for (;;) {
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/* make sure we have enough data to read the \r\n sequence */
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if (b->offset + 1 >= b->bytes) {
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if (start) {
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/* shift down used bytes */
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*s = b->buf;
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assert( start <= b->bytes );
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n = b->bytes - start;
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if (n)
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memcpy( b->buf, b->buf + start, n );
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b->offset -= start;
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b->bytes = n;
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start = 0;
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}
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n = socket_read( &b->sock, b->buf + b->bytes,
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sizeof(b->buf) - b->bytes );
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if (n <= 0)
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return -1;
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b->bytes += n;
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}
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if (b->buf[b->offset] == '\r') {
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assert( b->offset + 1 < b->bytes );
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if (b->buf[b->offset + 1] == '\n') {
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b->buf[b->offset] = 0; /* terminate the string */
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b->offset += 2; /* next line */
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if (Verbose)
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puts( *s );
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return 0;
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}
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}
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b->offset++;
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}
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/* not reached */
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}
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static 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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va_start( va, msg );
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vprintf( msg, va );
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va_end( va );
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fflush( stdout );
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}
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}
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static void
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warn( const char *msg, ... )
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{
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va_list va;
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if (Quiet < 2) {
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va_start( va, msg );
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vfprintf( stderr, msg, va );
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va_end( va );
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}
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}
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static 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 || !*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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*s = 0;
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return 0;
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}
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if (**s == '"') {
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++*s;
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ret = *s;
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*s = strchr( *s, '"' );
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} else {
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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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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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static void
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free_generic_messages( message_t *msgs )
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{
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message_t *tmsg;
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for (; msgs; msgs = tmsg) {
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tmsg = msgs->next;
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free( msgs );
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}
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}
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static int
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git_vasprintf( char **strp, const char *fmt, va_list ap )
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{
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int len;
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char tmp[1024];
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if ((len = vsnprintf( tmp, sizeof(tmp), fmt, ap )) < 0 || !(*strp = xmalloc( len + 1 )))
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return -1;
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if (len >= (int)sizeof(tmp))
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vsprintf( *strp, fmt, ap );
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else
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memcpy( *strp, tmp, len + 1 );
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return len;
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}
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static int
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nfsnprintf( char *buf, int blen, const char *fmt, ... )
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{
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int ret;
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va_list va;
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va_start( va, fmt );
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if (blen <= 0 || (unsigned)(ret = vsnprintf( buf, blen, fmt, va )) >= (unsigned)blen)
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die( "Fatal: buffer too small. Please report a bug.\n");
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va_end( va );
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return ret;
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}
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static int
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nfvasprintf( char **str, const char *fmt, va_list va )
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{
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int ret = git_vasprintf( str, fmt, va );
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if (ret < 0)
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die( "Fatal: Out of memory\n");
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return ret;
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}
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static struct {
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unsigned char i, j, s[256];
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} rs;
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static void
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arc4_init( void )
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{
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int i, fd;
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unsigned char j, si, dat[128];
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if ((fd = open( "/dev/urandom", O_RDONLY )) < 0 && (fd = open( "/dev/random", O_RDONLY )) < 0) {
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fprintf( stderr, "Fatal: no random number source available.\n" );
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exit( 3 );
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}
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if (read( fd, dat, 128 ) != 128) {
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fprintf( stderr, "Fatal: cannot read random number source.\n" );
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exit( 3 );
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}
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close( fd );
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for (i = 0; i < 256; i++)
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rs.s[i] = i;
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for (i = j = 0; i < 256; i++) {
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si = rs.s[i];
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j += si + dat[i & 127];
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rs.s[i] = rs.s[j];
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rs.s[j] = si;
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}
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rs.i = rs.j = 0;
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for (i = 0; i < 256; i++)
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arc4_getbyte();
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}
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static unsigned char
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arc4_getbyte( void )
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{
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unsigned char si, sj;
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rs.i++;
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si = rs.s[rs.i];
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rs.j += si;
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sj = rs.s[rs.j];
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rs.s[rs.i] = sj;
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rs.s[rs.j] = si;
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return rs.s[(si + sj) & 0xff];
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}
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static struct imap_cmd *
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v_issue_imap_cmd( imap_store_t *ctx, struct imap_cmd_cb *cb,
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const char *fmt, va_list ap )
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{
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imap_t *imap = ctx->imap;
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struct imap_cmd *cmd;
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int n, bufl;
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char buf[1024];
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cmd = xmalloc( sizeof(struct imap_cmd) );
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nfvasprintf( &cmd->cmd, fmt, ap );
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cmd->tag = ++imap->nexttag;
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if (cb)
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cmd->cb = *cb;
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else
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memset( &cmd->cb, 0, sizeof(cmd->cb) );
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while (imap->literal_pending)
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get_cmd_result( ctx, 0 );
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bufl = nfsnprintf( buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ?
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"%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
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cmd->tag, cmd->cmd, cmd->cb.dlen );
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if (Verbose) {
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if (imap->num_in_progress)
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printf( "(%d in progress) ", imap->num_in_progress );
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if (memcmp( cmd->cmd, "LOGIN", 5 ))
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printf( ">>> %s", buf );
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else
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printf( ">>> %d LOGIN <user> <pass>\n", cmd->tag );
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}
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if (socket_write( &imap->buf.sock, buf, bufl ) != bufl) {
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free( cmd->cmd );
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free( cmd );
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if (cb && cb->data)
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free( cb->data );
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return NULL;
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}
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if (cmd->cb.data) {
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if (CAP(LITERALPLUS)) {
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n = socket_write( &imap->buf.sock, cmd->cb.data, cmd->cb.dlen );
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free( cmd->cb.data );
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if (n != cmd->cb.dlen ||
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(n = socket_write( &imap->buf.sock, "\r\n", 2 )) != 2)
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{
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free( cmd->cmd );
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free( cmd );
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return NULL;
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}
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cmd->cb.data = 0;
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} else
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imap->literal_pending = 1;
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} else if (cmd->cb.cont)
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imap->literal_pending = 1;
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cmd->next = 0;
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*imap->in_progress_append = cmd;
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imap->in_progress_append = &cmd->next;
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imap->num_in_progress++;
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return cmd;
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}
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static struct imap_cmd *
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issue_imap_cmd( imap_store_t *ctx, struct imap_cmd_cb *cb, const char *fmt, ... )
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{
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struct imap_cmd *ret;
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va_list ap;
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va_start( ap, fmt );
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ret = v_issue_imap_cmd( ctx, cb, fmt, ap );
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va_end( ap );
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return ret;
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}
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|
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static int
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imap_exec( imap_store_t *ctx, struct imap_cmd_cb *cb, const char *fmt, ... )
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{
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va_list ap;
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struct imap_cmd *cmdp;
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va_start( ap, fmt );
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cmdp = v_issue_imap_cmd( ctx, cb, fmt, ap );
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va_end( ap );
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if (!cmdp)
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return RESP_BAD;
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return get_cmd_result( ctx, cmdp );
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}
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|
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static int
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imap_exec_m( imap_store_t *ctx, struct imap_cmd_cb *cb, const char *fmt, ... )
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{
|
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va_list ap;
|
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struct imap_cmd *cmdp;
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va_start( ap, fmt );
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cmdp = v_issue_imap_cmd( ctx, cb, fmt, ap );
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va_end( ap );
|
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if (!cmdp)
|
|
return DRV_STORE_BAD;
|
|
|
|
switch (get_cmd_result( ctx, cmdp )) {
|
|
case RESP_BAD: return DRV_STORE_BAD;
|
|
case RESP_NO: return DRV_MSG_BAD;
|
|
default: return DRV_OK;
|
|
}
|
|
}
|
|
|
|
static int
|
|
is_atom( list_t *list )
|
|
{
|
|
return list && list->val && list->val != NIL && list->val != LIST;
|
|
}
|
|
|
|
static int
|
|
is_list( list_t *list )
|
|
{
|
|
return list && list->val == LIST;
|
|
}
|
|
|
|
static void
|
|
free_list( list_t *list )
|
|
{
|
|
list_t *tmp;
|
|
|
|
for (; list; list = tmp) {
|
|
tmp = list->next;
|
|
if (is_list( list ))
|
|
free_list( list->child );
|
|
else if (is_atom( list ))
|
|
free( list->val );
|
|
free( list );
|
|
}
|
|
}
|
|
|
|
static int
|
|
parse_imap_list_l( imap_t *imap, char **sp, list_t **curp, int level )
|
|
{
|
|
list_t *cur;
|
|
char *s = *sp, *p;
|
|
int n, bytes;
|
|
|
|
for (;;) {
|
|
while (isspace( (unsigned char)*s ))
|
|
s++;
|
|
if (level && *s == ')') {
|
|
s++;
|
|
break;
|
|
}
|
|
*curp = cur = xmalloc( sizeof(*cur) );
|
|
curp = &cur->next;
|
|
cur->val = 0; /* for clean bail */
|
|
if (*s == '(') {
|
|
/* sublist */
|
|
s++;
|
|
cur->val = LIST;
|
|
if (parse_imap_list_l( imap, &s, &cur->child, level + 1 ))
|
|
goto bail;
|
|
} else if (imap && *s == '{') {
|
|
/* literal */
|
|
bytes = cur->len = strtol( s + 1, &s, 10 );
|
|
if (*s != '}')
|
|
goto bail;
|
|
|
|
s = cur->val = xmalloc( cur->len );
|
|
|
|
/* dump whats left over in the input buffer */
|
|
n = imap->buf.bytes - imap->buf.offset;
|
|
|
|
if (n > bytes)
|
|
/* the entire message fit in the buffer */
|
|
n = bytes;
|
|
|
|
memcpy( s, imap->buf.buf + imap->buf.offset, n );
|
|
s += n;
|
|
bytes -= n;
|
|
|
|
/* mark that we used part of the buffer */
|
|
imap->buf.offset += n;
|
|
|
|
/* now read the rest of the message */
|
|
while (bytes > 0) {
|
|
if ((n = socket_read (&imap->buf.sock, s, bytes)) <= 0)
|
|
goto bail;
|
|
s += n;
|
|
bytes -= n;
|
|
}
|
|
|
|
if (buffer_gets( &imap->buf, &s ))
|
|
goto bail;
|
|
} else if (*s == '"') {
|
|
/* quoted string */
|
|
s++;
|
|
p = s;
|
|
for (; *s != '"'; s++)
|
|
if (!*s)
|
|
goto bail;
|
|
cur->len = s - p;
|
|
s++;
|
|
cur->val = xmalloc( cur->len + 1 );
|
|
memcpy( cur->val, p, cur->len );
|
|
cur->val[cur->len] = 0;
|
|
} else {
|
|
/* atom */
|
|
p = s;
|
|
for (; *s && !isspace( (unsigned char)*s ); s++)
|
|
if (level && *s == ')')
|
|
break;
|
|
cur->len = s - p;
|
|
if (cur->len == 3 && !memcmp ("NIL", p, 3))
|
|
cur->val = NIL;
|
|
else {
|
|
cur->val = xmalloc( cur->len + 1 );
|
|
memcpy( cur->val, p, cur->len );
|
|
cur->val[cur->len] = 0;
|
|
}
|
|
}
|
|
|
|
if (!level)
|
|
break;
|
|
if (!*s)
|
|
goto bail;
|
|
}
|
|
*sp = s;
|
|
*curp = 0;
|
|
return 0;
|
|
|
|
bail:
|
|
*curp = 0;
|
|
return -1;
|
|
}
|
|
|
|
static list_t *
|
|
parse_imap_list( imap_t *imap, char **sp )
|
|
{
|
|
list_t *head;
|
|
|
|
if (!parse_imap_list_l( imap, sp, &head, 0 ))
|
|
return head;
|
|
free_list( head );
|
|
return NULL;
|
|
}
|
|
|
|
static list_t *
|
|
parse_list( char **sp )
|
|
{
|
|
return parse_imap_list( 0, sp );
|
|
}
|
|
|
|
static void
|
|
parse_capability( imap_t *imap, char *cmd )
|
|
{
|
|
char *arg;
|
|
unsigned i;
|
|
|
|
imap->caps = 0x80000000;
|
|
while ((arg = next_arg( &cmd )))
|
|
for (i = 0; i < ARRAY_SIZE(cap_list); i++)
|
|
if (!strcmp( cap_list[i], arg ))
|
|
imap->caps |= 1 << i;
|
|
imap->rcaps = imap->caps;
|
|
}
|
|
|
|
static int
|
|
parse_response_code( imap_store_t *ctx, struct imap_cmd_cb *cb, char *s )
|
|
{
|
|
imap_t *imap = ctx->imap;
|
|
char *arg, *p;
|
|
|
|
if (*s != '[')
|
|
return RESP_OK; /* no response code */
|
|
s++;
|
|
if (!(p = strchr( s, ']' ))) {
|
|
fprintf( stderr, "IMAP error: malformed response code\n" );
|
|
return RESP_BAD;
|
|
}
|
|
*p++ = 0;
|
|
arg = next_arg( &s );
|
|
if (!strcmp( "UIDVALIDITY", arg )) {
|
|
if (!(arg = next_arg( &s )) || !(ctx->gen.uidvalidity = atoi( arg ))) {
|
|
fprintf( stderr, "IMAP error: malformed UIDVALIDITY status\n" );
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!strcmp( "UIDNEXT", arg )) {
|
|
if (!(arg = next_arg( &s )) || !(imap->uidnext = atoi( arg ))) {
|
|
fprintf( stderr, "IMAP error: malformed NEXTUID status\n" );
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!strcmp( "CAPABILITY", arg )) {
|
|
parse_capability( imap, s );
|
|
} else if (!strcmp( "ALERT", arg )) {
|
|
/* RFC2060 says that these messages MUST be displayed
|
|
* to the user
|
|
*/
|
|
for (; isspace( (unsigned char)*p ); p++);
|
|
fprintf( stderr, "*** IMAP ALERT *** %s\n", p );
|
|
} else if (cb && cb->ctx && !strcmp( "APPENDUID", arg )) {
|
|
if (!(arg = next_arg( &s )) || !(ctx->gen.uidvalidity = atoi( arg )) ||
|
|
!(arg = next_arg( &s )) || !(*(int *)cb->ctx = atoi( arg )))
|
|
{
|
|
fprintf( stderr, "IMAP error: malformed APPENDUID status\n" );
|
|
return RESP_BAD;
|
|
}
|
|
}
|
|
return RESP_OK;
|
|
}
|
|
|
|
static int
|
|
get_cmd_result( imap_store_t *ctx, struct imap_cmd *tcmd )
|
|
{
|
|
imap_t *imap = ctx->imap;
|
|
struct imap_cmd *cmdp, **pcmdp, *ncmdp;
|
|
char *cmd, *arg, *arg1, *p;
|
|
int n, resp, resp2, tag;
|
|
|
|
for (;;) {
|
|
if (buffer_gets( &imap->buf, &cmd ))
|
|
return RESP_BAD;
|
|
|
|
arg = next_arg( &cmd );
|
|
if (*arg == '*') {
|
|
arg = next_arg( &cmd );
|
|
if (!arg) {
|
|
fprintf( stderr, "IMAP error: unable to parse untagged response\n" );
|
|
return RESP_BAD;
|
|
}
|
|
|
|
if (!strcmp( "NAMESPACE", arg )) {
|
|
imap->ns_personal = parse_list( &cmd );
|
|
imap->ns_other = parse_list( &cmd );
|
|
imap->ns_shared = parse_list( &cmd );
|
|
} else if (!strcmp( "OK", arg ) || !strcmp( "BAD", arg ) ||
|
|
!strcmp( "NO", arg ) || !strcmp( "BYE", arg )) {
|
|
if ((resp = parse_response_code( ctx, 0, cmd )) != RESP_OK)
|
|
return resp;
|
|
} else if (!strcmp( "CAPABILITY", arg ))
|
|
parse_capability( imap, cmd );
|
|
else if ((arg1 = next_arg( &cmd ))) {
|
|
if (!strcmp( "EXISTS", arg1 ))
|
|
ctx->gen.count = atoi( arg );
|
|
else if (!strcmp( "RECENT", arg1 ))
|
|
ctx->gen.recent = atoi( arg );
|
|
} else {
|
|
fprintf( stderr, "IMAP error: unable to parse untagged response\n" );
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!imap->in_progress) {
|
|
fprintf( stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "" );
|
|
return RESP_BAD;
|
|
} else if (*arg == '+') {
|
|
/* This can happen only with the last command underway, as
|
|
it enforces a round-trip. */
|
|
cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
|
|
offsetof(struct imap_cmd, next));
|
|
if (cmdp->cb.data) {
|
|
n = socket_write( &imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen );
|
|
free( cmdp->cb.data );
|
|
cmdp->cb.data = 0;
|
|
if (n != (int)cmdp->cb.dlen)
|
|
return RESP_BAD;
|
|
} else if (cmdp->cb.cont) {
|
|
if (cmdp->cb.cont( ctx, cmdp, cmd ))
|
|
return RESP_BAD;
|
|
} else {
|
|
fprintf( stderr, "IMAP error: unexpected command continuation request\n" );
|
|
return RESP_BAD;
|
|
}
|
|
if (socket_write( &imap->buf.sock, "\r\n", 2 ) != 2)
|
|
return RESP_BAD;
|
|
if (!cmdp->cb.cont)
|
|
imap->literal_pending = 0;
|
|
if (!tcmd)
|
|
return DRV_OK;
|
|
} else {
|
|
tag = atoi( arg );
|
|
for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
|
|
if (cmdp->tag == tag)
|
|
goto gottag;
|
|
fprintf( stderr, "IMAP error: unexpected tag %s\n", arg );
|
|
return RESP_BAD;
|
|
gottag:
|
|
if (!(*pcmdp = cmdp->next))
|
|
imap->in_progress_append = pcmdp;
|
|
imap->num_in_progress--;
|
|
if (cmdp->cb.cont || cmdp->cb.data)
|
|
imap->literal_pending = 0;
|
|
arg = next_arg( &cmd );
|
|
if (!strcmp( "OK", arg ))
|
|
resp = DRV_OK;
|
|
else {
|
|
if (!strcmp( "NO", arg )) {
|
|
if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp( cmd, "[TRYCREATE]", 11 ))) { /* SELECT, APPEND or UID COPY */
|
|
p = strchr( cmdp->cmd, '"' );
|
|
if (!issue_imap_cmd( ctx, 0, "CREATE \"%.*s\"", strchr( p + 1, '"' ) - p + 1, p )) {
|
|
resp = RESP_BAD;
|
|
goto normal;
|
|
}
|
|
/* not waiting here violates the spec, but a server that does not
|
|
grok this nonetheless violates it too. */
|
|
cmdp->cb.create = 0;
|
|
if (!(ncmdp = issue_imap_cmd( ctx, &cmdp->cb, "%s", cmdp->cmd ))) {
|
|
resp = RESP_BAD;
|
|
goto normal;
|
|
}
|
|
free( cmdp->cmd );
|
|
free( cmdp );
|
|
if (!tcmd)
|
|
return 0; /* ignored */
|
|
if (cmdp == tcmd)
|
|
tcmd = ncmdp;
|
|
continue;
|
|
}
|
|
resp = RESP_NO;
|
|
} else /*if (!strcmp( "BAD", arg ))*/
|
|
resp = RESP_BAD;
|
|
fprintf( stderr, "IMAP command '%s' returned response (%s) - %s\n",
|
|
memcmp (cmdp->cmd, "LOGIN", 5) ?
|
|
cmdp->cmd : "LOGIN <user> <pass>",
|
|
arg, cmd ? cmd : "");
|
|
}
|
|
if ((resp2 = parse_response_code( ctx, &cmdp->cb, cmd )) > resp)
|
|
resp = resp2;
|
|
normal:
|
|
if (cmdp->cb.done)
|
|
cmdp->cb.done( ctx, cmdp, resp );
|
|
if (cmdp->cb.data)
|
|
free( cmdp->cb.data );
|
|
free( cmdp->cmd );
|
|
free( cmdp );
|
|
if (!tcmd || tcmd == cmdp)
|
|
return resp;
|
|
}
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
static void
|
|
imap_close_server( imap_store_t *ictx )
|
|
{
|
|
imap_t *imap = ictx->imap;
|
|
|
|
if (imap->buf.sock.fd != -1) {
|
|
imap_exec( ictx, 0, "LOGOUT" );
|
|
close( imap->buf.sock.fd );
|
|
}
|
|
free_list( imap->ns_personal );
|
|
free_list( imap->ns_other );
|
|
free_list( imap->ns_shared );
|
|
free( imap );
|
|
}
|
|
|
|
static void
|
|
imap_close_store( store_t *ctx )
|
|
{
|
|
imap_close_server( (imap_store_t *)ctx );
|
|
free_generic_messages( ctx->msgs );
|
|
free( ctx );
|
|
}
|
|
|
|
static store_t *
|
|
imap_open_store( imap_server_conf_t *srvc )
|
|
{
|
|
imap_store_t *ctx;
|
|
imap_t *imap;
|
|
char *arg, *rsp;
|
|
struct hostent *he;
|
|
struct sockaddr_in addr;
|
|
int s, a[2], preauth;
|
|
|
|
ctx = xcalloc( sizeof(*ctx), 1 );
|
|
|
|
ctx->imap = imap = xcalloc( sizeof(*imap), 1 );
|
|
imap->buf.sock.fd = -1;
|
|
imap->in_progress_append = &imap->in_progress;
|
|
|
|
/* open connection to IMAP server */
|
|
|
|
if (srvc->tunnel) {
|
|
info( "Starting tunnel '%s'... ", srvc->tunnel );
|
|
|
|
if (socketpair( PF_UNIX, SOCK_STREAM, 0, a )) {
|
|
perror( "socketpair" );
|
|
exit( 1 );
|
|
}
|
|
|
|
if (fork() == 0) {
|
|
if (dup2( a[0], 0 ) == -1 || dup2( a[0], 1 ) == -1)
|
|
_exit( 127 );
|
|
close( a[0] );
|
|
close( a[1] );
|
|
execl( "/bin/sh", "sh", "-c", srvc->tunnel, NULL );
|
|
_exit( 127 );
|
|
}
|
|
|
|
close (a[0]);
|
|
|
|
imap->buf.sock.fd = a[1];
|
|
|
|
info( "ok\n" );
|
|
} else {
|
|
memset( &addr, 0, sizeof(addr) );
|
|
addr.sin_port = htons( srvc->port );
|
|
addr.sin_family = AF_INET;
|
|
|
|
info( "Resolving %s... ", srvc->host );
|
|
he = gethostbyname( srvc->host );
|
|
if (!he) {
|
|
perror( "gethostbyname" );
|
|
goto bail;
|
|
}
|
|
info( "ok\n" );
|
|
|
|
addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
|
|
|
|
s = socket( PF_INET, SOCK_STREAM, 0 );
|
|
|
|
info( "Connecting to %s:%hu... ", inet_ntoa( addr.sin_addr ), ntohs( addr.sin_port ) );
|
|
if (connect( s, (struct sockaddr *)&addr, sizeof(addr) )) {
|
|
close( s );
|
|
perror( "connect" );
|
|
goto bail;
|
|
}
|
|
info( "ok\n" );
|
|
|
|
imap->buf.sock.fd = s;
|
|
|
|
}
|
|
|
|
/* read the greeting string */
|
|
if (buffer_gets( &imap->buf, &rsp )) {
|
|
fprintf( stderr, "IMAP error: no greeting response\n" );
|
|
goto bail;
|
|
}
|
|
arg = next_arg( &rsp );
|
|
if (!arg || *arg != '*' || (arg = next_arg( &rsp )) == NULL) {
|
|
fprintf( stderr, "IMAP error: invalid greeting response\n" );
|
|
goto bail;
|
|
}
|
|
preauth = 0;
|
|
if (!strcmp( "PREAUTH", arg ))
|
|
preauth = 1;
|
|
else if (strcmp( "OK", arg ) != 0) {
|
|
fprintf( stderr, "IMAP error: unknown greeting response\n" );
|
|
goto bail;
|
|
}
|
|
parse_response_code( ctx, 0, rsp );
|
|
if (!imap->caps && imap_exec( ctx, 0, "CAPABILITY" ) != RESP_OK)
|
|
goto bail;
|
|
|
|
if (!preauth) {
|
|
|
|
info ("Logging in...\n");
|
|
if (!srvc->user) {
|
|
fprintf( stderr, "Skipping server %s, no user\n", srvc->host );
|
|
goto bail;
|
|
}
|
|
if (!srvc->pass) {
|
|
char prompt[80];
|
|
sprintf( prompt, "Password (%s@%s): ", srvc->user, srvc->host );
|
|
arg = getpass( prompt );
|
|
if (!arg) {
|
|
perror( "getpass" );
|
|
exit( 1 );
|
|
}
|
|
if (!*arg) {
|
|
fprintf( stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host );
|
|
goto bail;
|
|
}
|
|
/*
|
|
* getpass() returns a pointer to a static buffer. make a copy
|
|
* for long term storage.
|
|
*/
|
|
srvc->pass = strdup( arg );
|
|
}
|
|
if (CAP(NOLOGIN)) {
|
|
fprintf( stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host );
|
|
goto bail;
|
|
}
|
|
warn( "*** IMAP Warning *** Password is being sent in the clear\n" );
|
|
if (imap_exec( ctx, 0, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass ) != RESP_OK) {
|
|
fprintf( stderr, "IMAP error: LOGIN failed\n" );
|
|
goto bail;
|
|
}
|
|
} /* !preauth */
|
|
|
|
ctx->prefix = "";
|
|
ctx->trashnc = 1;
|
|
return (store_t *)ctx;
|
|
|
|
bail:
|
|
imap_close_store( &ctx->gen );
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
imap_make_flags( int flags, char *buf )
|
|
{
|
|
const char *s;
|
|
unsigned i, d;
|
|
|
|
for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
|
|
if (flags & (1 << i)) {
|
|
buf[d++] = ' ';
|
|
buf[d++] = '\\';
|
|
for (s = Flags[i]; *s; s++)
|
|
buf[d++] = *s;
|
|
}
|
|
buf[0] = '(';
|
|
buf[d++] = ')';
|
|
return d;
|
|
}
|
|
|
|
#define TUIDL 8
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static int
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imap_store_msg( store_t *gctx, msg_data_t *data, int *uid )
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{
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imap_store_t *ctx = (imap_store_t *)gctx;
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imap_t *imap = ctx->imap;
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struct imap_cmd_cb cb;
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char *fmap, *buf;
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const char *prefix, *box;
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int ret, i, j, d, len, extra, nocr;
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int start, sbreak = 0, ebreak = 0;
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char flagstr[128], tuid[TUIDL * 2 + 1];
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memset( &cb, 0, sizeof(cb) );
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fmap = data->data;
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len = data->len;
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nocr = !data->crlf;
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extra = 0, i = 0;
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if (!CAP(UIDPLUS) && uid) {
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nloop:
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start = i;
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while (i < len)
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if (fmap[i++] == '\n') {
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extra += nocr;
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if (i - 2 + nocr == start) {
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sbreak = ebreak = i - 2 + nocr;
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goto mktid;
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}
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if (!memcmp( fmap + start, "X-TUID: ", 8 )) {
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extra -= (ebreak = i) - (sbreak = start) + nocr;
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goto mktid;
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}
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goto nloop;
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}
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/* invalid message */
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free( fmap );
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return DRV_MSG_BAD;
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mktid:
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for (j = 0; j < TUIDL; j++)
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sprintf( tuid + j * 2, "%02x", arc4_getbyte() );
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extra += 8 + TUIDL * 2 + 2;
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}
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if (nocr)
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for (; i < len; i++)
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if (fmap[i] == '\n')
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extra++;
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cb.dlen = len + extra;
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buf = cb.data = xmalloc( cb.dlen );
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i = 0;
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if (!CAP(UIDPLUS) && uid) {
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if (nocr) {
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for (; i < sbreak; i++)
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if (fmap[i] == '\n') {
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*buf++ = '\r';
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*buf++ = '\n';
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} else
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*buf++ = fmap[i];
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} else {
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memcpy( buf, fmap, sbreak );
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buf += sbreak;
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}
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memcpy( buf, "X-TUID: ", 8 );
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buf += 8;
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memcpy( buf, tuid, TUIDL * 2 );
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buf += TUIDL * 2;
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*buf++ = '\r';
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*buf++ = '\n';
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i = ebreak;
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}
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if (nocr) {
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for (; i < len; i++)
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if (fmap[i] == '\n') {
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*buf++ = '\r';
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*buf++ = '\n';
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} else
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*buf++ = fmap[i];
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} else
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memcpy( buf, fmap + i, len - i );
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free( fmap );
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d = 0;
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if (data->flags) {
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d = imap_make_flags( data->flags, flagstr );
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flagstr[d++] = ' ';
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}
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flagstr[d] = 0;
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if (!uid) {
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box = gctx->conf->trash;
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prefix = ctx->prefix;
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cb.create = 1;
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if (ctx->trashnc)
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imap->caps = imap->rcaps & ~(1 << LITERALPLUS);
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} else {
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box = gctx->name;
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prefix = !strcmp( box, "INBOX" ) ? "" : ctx->prefix;
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cb.create = 0;
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}
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cb.ctx = uid;
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ret = imap_exec_m( ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr );
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imap->caps = imap->rcaps;
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if (ret != DRV_OK)
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return ret;
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if (!uid)
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ctx->trashnc = 0;
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else
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gctx->count++;
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return DRV_OK;
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}
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|
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#define CHUNKSIZE 0x1000
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|
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static int
|
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read_message( FILE *f, msg_data_t *msg )
|
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{
|
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int len, r;
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|
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memset( msg, 0, sizeof *msg );
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len = CHUNKSIZE;
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msg->data = xmalloc( len+1 );
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msg->data[0] = 0;
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|
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while(!feof( f )) {
|
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if (msg->len >= len) {
|
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void *p;
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len += CHUNKSIZE;
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p = xrealloc(msg->data, len+1);
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if (!p)
|
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break;
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}
|
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r = fread( &msg->data[msg->len], 1, len - msg->len, f );
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if (r <= 0)
|
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break;
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msg->len += r;
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}
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msg->data[msg->len] = 0;
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return msg->len;
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}
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|
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static int
|
|
count_messages( msg_data_t *msg )
|
|
{
|
|
int count = 0;
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char *p = msg->data;
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|
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while (1) {
|
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if (!strncmp( "From ", p, 5 )) {
|
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count++;
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p += 5;
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}
|
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p = strstr( p+5, "\nFrom ");
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if (!p)
|
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break;
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p++;
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}
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return count;
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}
|
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|
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static int
|
|
split_msg( msg_data_t *all_msgs, msg_data_t *msg, int *ofs )
|
|
{
|
|
char *p, *data;
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|
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memset( msg, 0, sizeof *msg );
|
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if (*ofs >= all_msgs->len)
|
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return 0;
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|
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data = &all_msgs->data[ *ofs ];
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msg->len = all_msgs->len - *ofs;
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|
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if (msg->len < 5 || strncmp( data, "From ", 5 ))
|
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return 0;
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|
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p = strstr( data, "\nFrom " );
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if (p)
|
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msg->len = &p[1] - data;
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|
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msg->data = xmalloc( msg->len + 1 );
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if (!msg->data)
|
|
return 0;
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|
|
memcpy( msg->data, data, msg->len );
|
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msg->data[ msg->len ] = 0;
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|
|
|
*ofs += msg->len;
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return 1;
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}
|
|
|
|
static imap_server_conf_t server =
|
|
{
|
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NULL, /* name */
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NULL, /* tunnel */
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NULL, /* host */
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0, /* port */
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NULL, /* user */
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NULL, /* pass */
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};
|
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|
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static char *imap_folder;
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|
|
static int
|
|
git_imap_config(const char *key, const char *val)
|
|
{
|
|
char imap_key[] = "imap.";
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|
|
if (strncmp( key, imap_key, sizeof imap_key - 1 ))
|
|
return 0;
|
|
key += sizeof imap_key - 1;
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|
|
if (!strcmp( "folder", key )) {
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|
imap_folder = strdup( val );
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} else if (!strcmp( "host", key )) {
|
|
{
|
|
if (!strncmp( "imap:", val, 5 ))
|
|
val += 5;
|
|
if (!server.port)
|
|
server.port = 143;
|
|
}
|
|
if (!strncmp( "//", val, 2 ))
|
|
val += 2;
|
|
server.host = strdup( val );
|
|
}
|
|
else if (!strcmp( "user", key ))
|
|
server.user = strdup( val );
|
|
else if (!strcmp( "pass", key ))
|
|
server.pass = strdup( val );
|
|
else if (!strcmp( "port", key ))
|
|
server.port = git_config_int( key, val );
|
|
else if (!strcmp( "tunnel", key ))
|
|
server.tunnel = strdup( val );
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
msg_data_t all_msgs, msg;
|
|
store_t *ctx = 0;
|
|
int uid = 0;
|
|
int ofs = 0;
|
|
int r;
|
|
int total, n = 0;
|
|
|
|
/* init the random number generator */
|
|
arc4_init();
|
|
|
|
git_config( git_imap_config );
|
|
|
|
if (!imap_folder) {
|
|
fprintf( stderr, "no imap store specified\n" );
|
|
return 1;
|
|
}
|
|
|
|
/* read the messages */
|
|
if (!read_message( stdin, &all_msgs )) {
|
|
fprintf(stderr,"nothing to send\n");
|
|
return 1;
|
|
}
|
|
|
|
/* write it to the imap server */
|
|
ctx = imap_open_store( &server );
|
|
if (!ctx) {
|
|
fprintf( stderr,"failed to open store\n");
|
|
return 1;
|
|
}
|
|
|
|
total = count_messages( &all_msgs );
|
|
fprintf( stderr, "sending %d message%s\n", total, (total!=1)?"s":"" );
|
|
ctx->name = imap_folder;
|
|
while (1) {
|
|
unsigned percent = n * 100 / total;
|
|
fprintf( stderr, "%4u%% (%d/%d) done\r", percent, n, total );
|
|
if (!split_msg( &all_msgs, &msg, &ofs ))
|
|
break;
|
|
r = imap_store_msg( ctx, &msg, &uid );
|
|
if (r != DRV_OK) break;
|
|
n++;
|
|
}
|
|
fprintf( stderr,"\n" );
|
|
|
|
imap_close_store( ctx );
|
|
|
|
return 0;
|
|
}
|