diff options
Diffstat (limited to 'camel/providers/imap/camel-imap-store.c')
| -rw-r--r-- | camel/providers/imap/camel-imap-store.c | 2845 |
1 files changed, 0 insertions, 2845 deletions
diff --git a/camel/providers/imap/camel-imap-store.c b/camel/providers/imap/camel-imap-store.c deleted file mode 100644 index 07152eef87..0000000000 --- a/camel/providers/imap/camel-imap-store.c +++ /dev/null @@ -1,2845 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-imap-store.c : class for an imap store */ - -/* - * Authors: - * Dan Winship <danw@ximian.com> - * Jeffrey Stedfast <fejj@ximian.com> - * - * Copyright 2000, 2003 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include "e-util/e-path.h" - -#include "camel-imap-store.h" -#include "camel-imap-store-summary.h" -#include "camel-imap-folder.h" -#include "camel-imap-utils.h" -#include "camel-imap-command.h" -#include "camel-imap-summary.h" -#include "camel-imap-message-cache.h" -#include "camel-disco-diary.h" -#include "camel-file-utils.h" -#include "camel-folder.h" -#include "camel-exception.h" -#include "camel-session.h" -#include "camel-stream.h" -#include "camel-stream-buffer.h" -#include "camel-stream-fs.h" -#include "camel-stream-process.h" -#include "camel-tcp-stream-raw.h" -#include "camel-tcp-stream-ssl.h" -#include "camel-url.h" -#include "camel-sasl.h" -#include "camel-utf8.h" -#include "camel-string-utils.h" - -#include "camel-imap-private.h" -#include "camel-private.h" - -#define d(x) - -/* Specified in RFC 2060 */ -#define IMAP_PORT 143 -#define SIMAP_PORT 993 - - -extern int camel_verbose_debug; - -static CamelDiscoStoreClass *parent_class = NULL; - -static char imap_tag_prefix = 'A'; - -static void construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex); - -static int imap_setv (CamelObject *object, CamelException *ex, CamelArgV *args); -static int imap_getv (CamelObject *object, CamelException *ex, CamelArgGetV *args); - -static char *imap_get_name (CamelService *service, gboolean brief); - -static gboolean can_work_offline (CamelDiscoStore *disco_store); -static gboolean imap_connect_online (CamelService *service, CamelException *ex); -static gboolean imap_connect_offline (CamelService *service, CamelException *ex); -static gboolean imap_disconnect_online (CamelService *service, gboolean clean, CamelException *ex); -static gboolean imap_disconnect_offline (CamelService *service, gboolean clean, CamelException *ex); -static void imap_noop (CamelStore *store, CamelException *ex); -static GList *query_auth_types (CamelService *service, CamelException *ex); -static guint hash_folder_name (gconstpointer key); -static gint compare_folder_name (gconstpointer a, gconstpointer b); -static CamelFolder *get_folder_online (CamelStore *store, const char *folder_name, guint32 flags, CamelException *ex); -static CamelFolder *get_folder_offline (CamelStore *store, const char *folder_name, guint32 flags, CamelException *ex); -static CamelFolderInfo *create_folder (CamelStore *store, const char *parent_name, const char *folder_name, CamelException *ex); -static void delete_folder (CamelStore *store, const char *folder_name, CamelException *ex); -static void rename_folder (CamelStore *store, const char *old_name, const char *new_name, CamelException *ex); -static CamelFolderInfo *get_folder_info_online (CamelStore *store, - const char *top, - guint32 flags, - CamelException *ex); -static CamelFolderInfo *get_folder_info_offline (CamelStore *store, - const char *top, - guint32 flags, - CamelException *ex); -static gboolean folder_subscribed (CamelStore *store, const char *folder_name); -static void subscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex); -static void unsubscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex); - -static void get_folders_online (CamelImapStore *imap_store, const char *pattern, - GPtrArray *folders, gboolean lsub, CamelException *ex); - - -static void imap_folder_effectively_unsubscribed(CamelImapStore *imap_store, const char *folder_name, CamelException *ex); -static gboolean imap_check_folder_still_extant (CamelImapStore *imap_store, const char *full_name, CamelException *ex); -static void imap_forget_folder(CamelImapStore *imap_store, const char *folder_name, CamelException *ex); -static void imap_set_server_level (CamelImapStore *store); - -static void -camel_imap_store_class_init (CamelImapStoreClass *camel_imap_store_class) -{ - CamelObjectClass *camel_object_class = - CAMEL_OBJECT_CLASS (camel_imap_store_class); - CamelServiceClass *camel_service_class = - CAMEL_SERVICE_CLASS (camel_imap_store_class); - CamelStoreClass *camel_store_class = - CAMEL_STORE_CLASS (camel_imap_store_class); - CamelDiscoStoreClass *camel_disco_store_class = - CAMEL_DISCO_STORE_CLASS (camel_imap_store_class); - - parent_class = CAMEL_DISCO_STORE_CLASS (camel_type_get_global_classfuncs (camel_disco_store_get_type ())); - - /* virtual method overload */ - camel_object_class->setv = imap_setv; - camel_object_class->getv = imap_getv; - - camel_service_class->construct = construct; - camel_service_class->query_auth_types = query_auth_types; - camel_service_class->get_name = imap_get_name; - - camel_store_class->hash_folder_name = hash_folder_name; - camel_store_class->compare_folder_name = compare_folder_name; - camel_store_class->create_folder = create_folder; - camel_store_class->delete_folder = delete_folder; - camel_store_class->rename_folder = rename_folder; - camel_store_class->free_folder_info = camel_store_free_folder_info_full; - camel_store_class->folder_subscribed = folder_subscribed; - camel_store_class->subscribe_folder = subscribe_folder; - camel_store_class->unsubscribe_folder = unsubscribe_folder; - camel_store_class->noop = imap_noop; - - camel_disco_store_class->can_work_offline = can_work_offline; - camel_disco_store_class->connect_online = imap_connect_online; - camel_disco_store_class->connect_offline = imap_connect_offline; - camel_disco_store_class->disconnect_online = imap_disconnect_online; - camel_disco_store_class->disconnect_offline = imap_disconnect_offline; - camel_disco_store_class->get_folder_online = get_folder_online; - camel_disco_store_class->get_folder_offline = get_folder_offline; - camel_disco_store_class->get_folder_resyncing = get_folder_online; - camel_disco_store_class->get_folder_info_online = get_folder_info_online; - camel_disco_store_class->get_folder_info_offline = get_folder_info_offline; - camel_disco_store_class->get_folder_info_resyncing = get_folder_info_online; -} - -static gboolean -free_key (gpointer key, gpointer value, gpointer user_data) -{ - g_free (key); - return TRUE; -} - -static void -camel_imap_store_finalize (CamelObject *object) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (object); - - /* This frees current_folder, folders, authtypes, streams, and namespace. */ - camel_service_disconnect((CamelService *)imap_store, TRUE, NULL); - - if (imap_store->summary) { - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - camel_object_unref(imap_store->summary); - } - - if (imap_store->base_url) - g_free (imap_store->base_url); - if (imap_store->storage_path) - g_free (imap_store->storage_path); - -#ifdef ENABLE_THREADS - e_thread_destroy (imap_store->async_thread); -#endif -} - -#ifdef ENABLE_THREADS -static void async_destroy(EThread *et, EMsg *em, void *data) -{ - CamelImapStore *imap_store = data; - CamelImapMsg *msg = (CamelImapMsg *)em; - - if (msg->free) - msg->free (imap_store, msg); - - g_free (msg); -} - -static void async_received(EThread *et, EMsg *em, void *data) -{ - CamelImapStore *imap_store = data; - CamelImapMsg *msg = (CamelImapMsg *)em; - - if (msg->receive) - msg->receive(imap_store, msg); -} - -CamelImapMsg *camel_imap_msg_new(void (*receive)(CamelImapStore *store, struct _CamelImapMsg *m), - void (*free)(CamelImapStore *store, struct _CamelImapMsg *m), - size_t size) -{ - CamelImapMsg *msg; - - g_assert(size >= sizeof(*msg)); - - msg = g_malloc0(size); - msg->receive = receive; - msg->free = free; - - return msg; -} - -void camel_imap_msg_queue(CamelImapStore *store, CamelImapMsg *msg) -{ - e_thread_put(store->async_thread, (EMsg *)msg); -} - -#endif - -static void -camel_imap_store_init (gpointer object, gpointer klass) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (object); - - imap_store->istream = NULL; - imap_store->ostream = NULL; - - imap_store->dir_sep = '\0'; - imap_store->current_folder = NULL; - imap_store->connected = FALSE; - imap_store->preauthed = FALSE; - - imap_store->tag_prefix = imap_tag_prefix++; - if (imap_tag_prefix > 'Z') - imap_tag_prefix = 'A'; - -#ifdef ENABLE_THREADS - imap_store->async_thread = e_thread_new(E_THREAD_QUEUE); - e_thread_set_msg_destroy(imap_store->async_thread, async_destroy, imap_store); - e_thread_set_msg_received(imap_store->async_thread, async_received, imap_store); -#endif /* ENABLE_THREADS */ -} - -CamelType -camel_imap_store_get_type (void) -{ - static CamelType camel_imap_store_type = CAMEL_INVALID_TYPE; - - if (camel_imap_store_type == CAMEL_INVALID_TYPE) { - camel_imap_store_type = - camel_type_register (CAMEL_DISCO_STORE_TYPE, - "CamelImapStore", - sizeof (CamelImapStore), - sizeof (CamelImapStoreClass), - (CamelObjectClassInitFunc) camel_imap_store_class_init, - NULL, - (CamelObjectInitFunc) camel_imap_store_init, - (CamelObjectFinalizeFunc) camel_imap_store_finalize); - } - - return camel_imap_store_type; -} - -static void -construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (service); - CamelStore *store = CAMEL_STORE (service); - char *tmp; - CamelURL *summary_url; - - CAMEL_SERVICE_CLASS (parent_class)->construct (service, session, provider, url, ex); - if (camel_exception_is_set (ex)) - return; - - imap_store->storage_path = camel_session_get_storage_path (session, service, ex); - if (!imap_store->storage_path) - return; - - /* FIXME */ - imap_store->base_url = camel_url_to_string (service->url, (CAMEL_URL_HIDE_PASSWORD | - CAMEL_URL_HIDE_PARAMS | - CAMEL_URL_HIDE_AUTH)); - - imap_store->parameters = 0; - if (camel_url_get_param (url, "use_lsub")) - store->flags |= CAMEL_STORE_SUBSCRIPTIONS; - if (camel_url_get_param (url, "namespace")) { - imap_store->parameters |= IMAP_PARAM_OVERRIDE_NAMESPACE; - g_free(imap_store->namespace); - imap_store->namespace = g_strdup (camel_url_get_param (url, "namespace")); - } - if (camel_url_get_param (url, "check_all")) - imap_store->parameters |= IMAP_PARAM_CHECK_ALL; - if (camel_url_get_param (url, "filter")) { - imap_store->parameters |= IMAP_PARAM_FILTER_INBOX; - store->flags |= CAMEL_STORE_FILTER_INBOX; - } - - /* setup/load the store summary */ - tmp = alloca(strlen(imap_store->storage_path)+32); - sprintf(tmp, "%s/.ev-store-summary", imap_store->storage_path); - imap_store->summary = camel_imap_store_summary_new(); - camel_store_summary_set_filename((CamelStoreSummary *)imap_store->summary, tmp); - summary_url = camel_url_new(imap_store->base_url, NULL); - camel_store_summary_set_uri_base((CamelStoreSummary *)imap_store->summary, summary_url); - camel_url_free(summary_url); - if (camel_store_summary_load((CamelStoreSummary *)imap_store->summary) == 0) { - CamelImapStoreSummary *is = imap_store->summary; - - if (is->namespace) { - /* if namespace has changed, clear folder list */ - if (imap_store->namespace && strcmp(imap_store->namespace, is->namespace->full_name) != 0) { - camel_store_summary_clear((CamelStoreSummary *)is); - } else { - imap_store->namespace = g_strdup(is->namespace->full_name); - imap_store->dir_sep = is->namespace->sep; - store->dir_sep = is->namespace->sep; - } - } - - imap_store->capabilities = is->capabilities; - imap_set_server_level(imap_store); - } -} - -static int -imap_setv (CamelObject *object, CamelException *ex, CamelArgV *args) -{ - CamelImapStore *store = (CamelImapStore *) object; - guint32 tag, flags; - int i; - - for (i = 0; i < args->argc; i++) { - tag = args->argv[i].tag; - - /* make sure this arg wasn't already handled */ - if (tag & CAMEL_ARG_IGNORE) - continue; - - /* make sure this is an arg we're supposed to handle */ - if ((tag & CAMEL_ARG_TAG) <= CAMEL_IMAP_STORE_ARG_FIRST || - (tag & CAMEL_ARG_TAG) >= CAMEL_IMAP_STORE_ARG_FIRST + 100) - continue; - - if (tag == CAMEL_IMAP_STORE_NAMESPACE) { - if (strcmp (store->namespace, args->argv[i].ca_str) != 0) { - g_free (store->namespace); - store->namespace = g_strdup (args->argv[i].ca_str); - /* the current imap code will need to do a reconnect for this to take effect */ - /*reconnect = TRUE;*/ - } - } else if (tag == CAMEL_IMAP_STORE_OVERRIDE_NAMESPACE) { - flags = args->argv[i].ca_int ? IMAP_PARAM_OVERRIDE_NAMESPACE : 0; - flags |= (store->parameters & ~IMAP_PARAM_OVERRIDE_NAMESPACE); - - if (store->parameters != flags) { - store->parameters = flags; - /* the current imap code will need to do a reconnect for this to take effect */ - /*reconnect = TRUE;*/ - } - } else if (tag == CAMEL_IMAP_STORE_CHECK_ALL) { - flags = args->argv[i].ca_int ? IMAP_PARAM_CHECK_ALL : 0; - flags |= (store->parameters & ~IMAP_PARAM_CHECK_ALL); - store->parameters = flags; - /* no need to reconnect for this option to take effect... */ - } else if (tag == CAMEL_IMAP_STORE_FILTER_INBOX) { - flags = args->argv[i].ca_int ? IMAP_PARAM_FILTER_INBOX : 0; - flags |= (store->parameters & ~IMAP_PARAM_FILTER_INBOX); - store->parameters = flags; - /* no need to reconnect for this option to take effect... */ - } else { - /* error?? */ - continue; - } - - /* let our parent know that we've handled this arg */ - camel_argv_ignore (args, i); - } - - /* FIXME: if we need to reconnect for a change to take affect, - we need to do it here... or, better yet, somehow chain it - up to CamelService's setv implementation. */ - - return CAMEL_OBJECT_CLASS (parent_class)->setv (object, ex, args); -} - -static int -imap_getv (CamelObject *object, CamelException *ex, CamelArgGetV *args) -{ - CamelImapStore *store = (CamelImapStore *) object; - guint32 tag; - int i; - - for (i = 0; i < args->argc; i++) { - tag = args->argv[i].tag; - - /* make sure this is an arg we're supposed to handle */ - if ((tag & CAMEL_ARG_TAG) <= CAMEL_IMAP_STORE_ARG_FIRST || - (tag & CAMEL_ARG_TAG) >= CAMEL_IMAP_STORE_ARG_FIRST + 100) - continue; - - switch (tag) { - case CAMEL_IMAP_STORE_NAMESPACE: - /* get the username */ - *args->argv[i].ca_str = store->namespace; - break; - case CAMEL_IMAP_STORE_OVERRIDE_NAMESPACE: - /* get the auth mechanism */ - *args->argv[i].ca_int = store->parameters & IMAP_PARAM_OVERRIDE_NAMESPACE ? TRUE : FALSE; - break; - case CAMEL_IMAP_STORE_CHECK_ALL: - /* get the hostname */ - *args->argv[i].ca_int = store->parameters & IMAP_PARAM_CHECK_ALL ? TRUE : FALSE; - break; - case CAMEL_IMAP_STORE_FILTER_INBOX: - /* get the port */ - *args->argv[i].ca_int = store->parameters & IMAP_PARAM_FILTER_INBOX ? TRUE : FALSE; - break; - default: - /* error? */ - break; - } - } - - return CAMEL_OBJECT_CLASS (parent_class)->getv (object, ex, args); -} - -static char * -imap_get_name (CamelService *service, gboolean brief) -{ - if (brief) - return g_strdup_printf (_("IMAP server %s"), service->url->host); - else - return g_strdup_printf (_("IMAP service for %s on %s"), - service->url->user, service->url->host); -} - -static void -imap_set_server_level (CamelImapStore *store) -{ - if (store->capabilities & IMAP_CAPABILITY_IMAP4REV1) { - store->server_level = IMAP_LEVEL_IMAP4REV1; - store->capabilities |= IMAP_CAPABILITY_STATUS; - } else if (store->capabilities & IMAP_CAPABILITY_IMAP4) - store->server_level = IMAP_LEVEL_IMAP4; - else - store->server_level = IMAP_LEVEL_UNKNOWN; -} - -static struct { - const char *name; - guint32 flag; -} capabilities[] = { - { "IMAP4", IMAP_CAPABILITY_IMAP4 }, - { "IMAP4REV1", IMAP_CAPABILITY_IMAP4REV1 }, - { "STATUS", IMAP_CAPABILITY_STATUS }, - { "NAMESPACE", IMAP_CAPABILITY_NAMESPACE }, - { "UIDPLUS", IMAP_CAPABILITY_UIDPLUS }, - { "LITERAL+", IMAP_CAPABILITY_LITERALPLUS }, - { "STARTTLS", IMAP_CAPABILITY_STARTTLS }, - { NULL, 0 } -}; - - -static gboolean -imap_get_capability (CamelService *service, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelImapResponse *response; - char *result, *capa, *lasts; - int i; - - CAMEL_SERVICE_ASSERT_LOCKED (store, connect_lock); - - /* Find out the IMAP capabilities */ - /* We assume we have utf8 capable search until a failed search tells us otherwise */ - store->capabilities = IMAP_CAPABILITY_utf8_search; - store->authtypes = g_hash_table_new (g_str_hash, g_str_equal); - response = camel_imap_command (store, NULL, ex, "CAPABILITY"); - if (!response) - return FALSE; - result = camel_imap_response_extract (store, response, "CAPABILITY ", ex); - if (!result) - return FALSE; - - /* Skip over "* CAPABILITY ". */ - capa = result + 13; - for (capa = strtok_r (capa, " ", &lasts); capa; - capa = strtok_r (NULL, " ", &lasts)) { - if (!strncmp (capa, "AUTH=", 5)) { - g_hash_table_insert (store->authtypes, - g_strdup (capa + 5), - GINT_TO_POINTER (1)); - continue; - } - for (i = 0; capabilities[i].name; i++) { - if (strcasecmp (capa, capabilities[i].name) == 0) { - store->capabilities |= capabilities[i].flag; - break; - } - } - } - g_free (result); - - imap_set_server_level (store); - - if (store->summary->capabilities != store->capabilities) { - store->summary->capabilities = store->capabilities; - camel_store_summary_touch((CamelStoreSummary *)store->summary); - camel_store_summary_save((CamelStoreSummary *)store->summary); - } - - return TRUE; -} - -enum { - USE_SSL_NEVER, - USE_SSL_ALWAYS, - USE_SSL_WHEN_POSSIBLE -}; - -#define SSL_PORT_FLAGS (CAMEL_TCP_STREAM_SSL_ENABLE_SSL2 | CAMEL_TCP_STREAM_SSL_ENABLE_SSL3) -#define STARTTLS_FLAGS (CAMEL_TCP_STREAM_SSL_ENABLE_TLS) - -static gboolean -connect_to_server (CamelService *service, int ssl_mode, int try_starttls, CamelException *ex) -{ - CamelImapStore *store = (CamelImapStore *) service; - CamelImapResponse *response; - CamelStream *tcp_stream; - struct hostent *h; - int clean_quit; - int port, ret; - char *buf; - - h = camel_service_gethost (service, ex); - if (!h) - return FALSE; - - port = service->url->port ? service->url->port : 143; - - if (ssl_mode != USE_SSL_NEVER) { -#ifdef HAVE_SSL - if (try_starttls) { - tcp_stream = camel_tcp_stream_ssl_new_raw (service->session, service->url->host, STARTTLS_FLAGS); - } else { - port = service->url->port ? service->url->port : 993; - tcp_stream = camel_tcp_stream_ssl_new (service->session, service->url->host, SSL_PORT_FLAGS); - } -#else - if (!try_starttls) - port = service->url->port ? service->url->port : 993; - - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Could not connect to %s (port %d): %s"), - service->url->host, port, - _("SSL unavailable")); - - camel_free_host (h); - - return FALSE; -#endif /* HAVE_SSL */ - } else { - tcp_stream = camel_tcp_stream_raw_new (); - } - - ret = camel_tcp_stream_connect (CAMEL_TCP_STREAM (tcp_stream), h, port); - camel_free_host (h); - if (ret == -1) { - if (errno == EINTR) - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, - _("Connection cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Could not connect to %s (port %d): %s"), - service->url->host, port, g_strerror (errno)); - - camel_object_unref (CAMEL_OBJECT (tcp_stream)); - - return FALSE; - } - - store->ostream = tcp_stream; - store->istream = camel_stream_buffer_new (tcp_stream, CAMEL_STREAM_BUFFER_READ); - - store->connected = TRUE; - store->preauthed = FALSE; - store->command = 0; - - /* Read the greeting, if any, and deal with PREAUTH */ - if (camel_imap_store_readline (store, &buf, ex) < 0) { - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - - return FALSE; - } - if (!strncmp(buf, "* PREAUTH", 9)) - store->preauthed = TRUE; - g_free (buf); - - /* get the imap server capabilities */ - if (!imap_get_capability (service, ex)) { - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - return FALSE; - } - -#ifdef HAVE_SSL - if (ssl_mode == USE_SSL_WHEN_POSSIBLE) { - if (store->capabilities & IMAP_CAPABILITY_STARTTLS) - goto starttls; - } else if (ssl_mode == USE_SSL_ALWAYS) { - if (try_starttls) { - if (store->capabilities & IMAP_CAPABILITY_STARTTLS) { - /* attempt to toggle STARTTLS mode */ - goto starttls; - } else { - /* server doesn't support STARTTLS, abort */ - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Failed to connect to IMAP server %s in secure mode: %s"), - service->url->host, _("SSL/TLS extension not supported.")); - /* we have the possibility of quitting cleanly here */ - clean_quit = TRUE; - goto exception; - } - } - } -#endif /* HAVE_SSL */ - - return TRUE; - -#ifdef HAVE_SSL - starttls: - - /* as soon as we send a STARTTLS command, all hope is lost of a clean QUIT if problems arise */ - clean_quit = FALSE; - - response = camel_imap_command (store, NULL, ex, "STARTTLS"); - if (!response) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->istream = store->ostream = NULL; - return FALSE; - } - - camel_imap_response_free_without_processing (store, response); - - /* Okay, now toggle SSL/TLS mode */ - if (camel_tcp_stream_ssl_enable_ssl (CAMEL_TCP_STREAM_SSL (tcp_stream)) == -1) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Failed to connect to IMAP server %s in secure mode: %s"), - service->url->host, _("SSL negotiations failed")); - goto exception; - } - - /* rfc2595, section 4 states that after a successful STLS - command, the client MUST discard prior CAPA responses */ - if (!imap_get_capability (service, ex)) { - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - - return FALSE; - } - - return TRUE; - - exception: - - if (clean_quit && store->connected) { - /* try to disconnect cleanly */ - response = camel_imap_command (store, NULL, ex, "LOGOUT"); - if (response) - camel_imap_response_free_without_processing (store, response); - } - - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - - return FALSE; -#endif /* HAVE_SSL */ -} - -static gboolean -connect_to_server_process (CamelService *service, const char *cmd, CamelException *ex) -{ - CamelImapStore *store = (CamelImapStore *) service; - CamelStream *cmd_stream; - int ret, i = 0; - char *buf; - char *cmd_copy; - char *full_cmd; - char *child_env[7]; - - /* Put full details in the environment, in case the connection - program needs them */ - buf = camel_url_to_string(service->url, 0); - child_env[i++] = g_strdup_printf("URL=%s", buf); - g_free(buf); - - child_env[i++] = g_strdup_printf("URLHOST=%s", service->url->host); - if (service->url->port) - child_env[i++] = g_strdup_printf("URLPORT=%d", service->url->port); - if (service->url->user) - child_env[i++] = g_strdup_printf("URLUSER=%s", service->url->user); - if (service->url->passwd) - child_env[i++] = g_strdup_printf("URLPASSWD=%s", service->url->passwd); - if (service->url->path) - child_env[i++] = g_strdup_printf("URLPATH=%s", service->url->path); - child_env[i] = NULL; - - /* Now do %h, %u, etc. substitution in cmd */ - buf = cmd_copy = g_strdup(cmd); - - full_cmd = g_strdup(""); - - for(;;) { - char *pc; - char *tmp; - char *var; - int len; - - pc = strchr(buf, '%'); - ignore: - if (!pc) { - tmp = g_strdup_printf("%s%s", full_cmd, buf); - g_free(full_cmd); - full_cmd = tmp; - break; - } - - len = pc - buf; - - var = NULL; - - switch(pc[1]) { - case 'h': - var = service->url->host; - break; - case 'u': - var = service->url->user; - break; - } - if (!var) { - /* If there wasn't a valid %-code, with an actual - variable to insert, pretend we didn't see the % */ - pc = strchr(pc + 1, '%'); - goto ignore; - } - tmp = g_strdup_printf("%s%.*s%s", full_cmd, len, buf, var); - g_free(full_cmd); - full_cmd = tmp; - buf = pc + 2; - } - - g_free(cmd_copy); - - cmd_stream = camel_stream_process_new (); - - ret = camel_stream_process_connect (CAMEL_STREAM_PROCESS(cmd_stream), - full_cmd, (const char **)child_env); - - while (i) - g_free(child_env[--i]); - - if (ret == -1) { - if (errno == EINTR) - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, - _("Connection cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Could not connect with command \"%s\": %s"), - full_cmd, g_strerror (errno)); - - camel_object_unref (CAMEL_OBJECT (cmd_stream)); - g_free(full_cmd); - return FALSE; - } - g_free(full_cmd); - - store->ostream = cmd_stream; - store->istream = camel_stream_buffer_new (cmd_stream, CAMEL_STREAM_BUFFER_READ); - - store->connected = TRUE; - store->preauthed = FALSE; - store->command = 0; - - /* Read the greeting, if any, and deal with PREAUTH */ - if (camel_imap_store_readline (store, &buf, ex) < 0) { - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - return FALSE; - } - if (!strncmp(buf, "* PREAUTH", 9)) - store->preauthed = TRUE; - g_free (buf); - - /* get the imap server capabilities */ - if (!imap_get_capability (service, ex)) { - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - store->connected = FALSE; - return FALSE; - } - - return TRUE; - -} - -static struct { - char *value; - int mode; -} ssl_options[] = { - { "", USE_SSL_ALWAYS }, - { "always", USE_SSL_ALWAYS }, - { "when-possible", USE_SSL_WHEN_POSSIBLE }, - { "never", USE_SSL_NEVER }, - { NULL, USE_SSL_NEVER }, -}; - -static gboolean -connect_to_server_wrapper (CamelService *service, CamelException *ex) -{ - const char *command; -#ifdef HAVE_SSL - const char *use_ssl; - int i, ssl_mode; -#endif - command = camel_url_get_param (service->url, "command"); - if (command) - return connect_to_server_process (service, command, ex); - -#ifdef HAVE_SSL - use_ssl = camel_url_get_param (service->url, "use_ssl"); - if (use_ssl) { - for (i = 0; ssl_options[i].value; i++) - if (!strcmp (ssl_options[i].value, use_ssl)) - break; - ssl_mode = ssl_options[i].mode; - } else - ssl_mode = USE_SSL_NEVER; - - if (ssl_mode == USE_SSL_ALWAYS) { - /* First try the ssl port */ - if (!connect_to_server (service, ssl_mode, FALSE, ex)) { - if (camel_exception_get_id (ex) == CAMEL_EXCEPTION_SERVICE_UNAVAILABLE) { - /* The ssl port seems to be unavailable, lets try STARTTLS */ - camel_exception_clear (ex); - return connect_to_server (service, ssl_mode, TRUE, ex); - } else { - return FALSE; - } - } - - return TRUE; - } else if (ssl_mode == USE_SSL_WHEN_POSSIBLE) { - /* If the server supports STARTTLS, use it */ - return connect_to_server (service, ssl_mode, TRUE, ex); - } else { - /* User doesn't care about SSL */ - return connect_to_server (service, ssl_mode, FALSE, ex); - } -#else - return connect_to_server (service, USE_SSL_NEVER, FALSE, ex); -#endif -} - -extern CamelServiceAuthType camel_imap_password_authtype; - -static GList * -query_auth_types (CamelService *service, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelServiceAuthType *authtype; - GList *sasl_types, *t, *next; - gboolean connected; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return NULL; - - CAMEL_SERVICE_LOCK (store, connect_lock); - connected = connect_to_server_wrapper (service, ex); - CAMEL_SERVICE_UNLOCK (store, connect_lock); - if (!connected) - return NULL; - - sasl_types = camel_sasl_authtype_list (FALSE); - for (t = sasl_types; t; t = next) { - authtype = t->data; - next = t->next; - - if (!g_hash_table_lookup (store->authtypes, authtype->authproto)) { - sasl_types = g_list_remove_link (sasl_types, t); - g_list_free_1 (t); - } - } - - return g_list_prepend (sasl_types, &camel_imap_password_authtype); -} - -/* folder_name is path name */ -static CamelFolderInfo * -imap_build_folder_info(CamelImapStore *imap_store, const char *folder_name) -{ - CamelURL *url; - const char *name; - CamelFolderInfo *fi; - - fi = g_malloc0(sizeof(*fi)); - - fi->full_name = g_strdup(folder_name); - fi->unread_message_count = 0; - - url = camel_url_new (imap_store->base_url, NULL); - g_free (url->path); - url->path = g_strdup_printf ("/%s", folder_name); - fi->url = camel_url_to_string (url, CAMEL_URL_HIDE_ALL); - camel_url_free(url); - fi->path = g_strdup_printf("/%s", folder_name); - name = strrchr (fi->path, '/'); - if (name) - name++; - else - name = fi->path; - - fi->name = g_strdup (name); - - return fi; -} - -static void -imap_folder_effectively_unsubscribed(CamelImapStore *imap_store, - const char *folder_name, CamelException *ex) -{ - CamelFolderInfo *fi; - CamelStoreInfo *si; - - si = camel_store_summary_path((CamelStoreSummary *)imap_store->summary, folder_name); - if (si) { - if (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) { - si->flags &= ~CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - - if (imap_store->renaming) { - /* we don't need to emit a "folder_unsubscribed" signal - if we are in the process of renaming folders, so we - are done here... */ - return; - - } - - fi = imap_build_folder_info(imap_store, folder_name); - camel_object_trigger_event (CAMEL_OBJECT (imap_store), "folder_unsubscribed", fi); - camel_folder_info_free (fi); -} - -static void -imap_forget_folder (CamelImapStore *imap_store, const char *folder_name, CamelException *ex) -{ - CamelFolderSummary *summary; - CamelImapMessageCache *cache; - char *summary_file; - char *journal_file; - char *folder_dir, *storage_path; - CamelFolderInfo *fi; - const char *name; - - name = strrchr (folder_name, imap_store->dir_sep); - if (name) - name++; - else - name = folder_name; - - storage_path = g_strdup_printf ("%s/folders", imap_store->storage_path); - folder_dir = e_path_to_physical (storage_path, folder_name); - g_free (storage_path); - if (access (folder_dir, F_OK) != 0) { - g_free (folder_dir); - goto event; - } - - summary_file = g_strdup_printf ("%s/summary", folder_dir); - summary = camel_imap_summary_new (summary_file); - if (!summary) { - g_free (summary_file); - g_free (folder_dir); - goto event; - } - - cache = camel_imap_message_cache_new (folder_dir, summary, ex); - if (cache) - camel_imap_message_cache_clear (cache); - - camel_object_unref (cache); - camel_object_unref (summary); - - unlink (summary_file); - g_free (summary_file); - - journal_file = g_strdup_printf ("%s/summary", folder_dir); - unlink (journal_file); - g_free (journal_file); - - rmdir (folder_dir); - g_free (folder_dir); - - event: - - camel_store_summary_remove_path((CamelStoreSummary *)imap_store->summary, folder_name); - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - - fi = imap_build_folder_info(imap_store, folder_name); - camel_object_trigger_event (CAMEL_OBJECT (imap_store), "folder_deleted", fi); - camel_folder_info_free (fi); -} - -static gboolean -imap_check_folder_still_extant (CamelImapStore *imap_store, const char *full_name, - CamelException *ex) -{ - CamelImapResponse *response; - - response = camel_imap_command (imap_store, NULL, ex, "LIST \"\" %S", - full_name); - - if (response) { - gboolean stillthere = response->untagged->len != 0; - - camel_imap_response_free_without_processing (imap_store, response); - - return stillthere; - } - - /* if the command was rejected, there must be some other error, - assume it worked so we dont blow away the folder unecessarily */ - return TRUE; -} - -/* This is a little 'hack' to avoid the deadlock conditions that would otherwise - ensue when calling camel_folder_refresh_info from inside a lock */ -/* NB: on second thougts this is probably not entirely safe, but it'll do for now */ -/* No, its definetly not safe. So its been changed to copy the folders first */ -/* the alternative is to: - make the camel folder->lock recursive (which should probably be done) - or remove it from camel_folder_refresh_info, and use another locking mechanism */ -/* also see get_folder_info_online() for the same hack repeated */ -static void -imap_store_refresh_folders (CamelImapStore *store, CamelException *ex) -{ - GPtrArray *folders; - int i; - - folders = camel_object_bag_list(CAMEL_STORE (store)->folders); - - for (i = 0; i <folders->len; i++) { - CamelFolder *folder = folders->pdata[i]; - - CAMEL_IMAP_FOLDER (folder)->need_rescan = TRUE; - if (!camel_exception_is_set(ex)) - CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(folder))->refresh_info(folder, ex); - - if (camel_exception_is_set (ex) && - imap_check_folder_still_extant (store, folder->full_name, ex) == FALSE) { - gchar *namedup; - - /* the folder was deleted (may happen when we come back online - * after being offline */ - - namedup = g_strdup (folder->full_name); - camel_object_unref(folder); - imap_folder_effectively_unsubscribed (store, namedup, ex); - imap_forget_folder (store, namedup, ex); - g_free (namedup); - } else - camel_object_unref(folder); - } - - g_ptr_array_free (folders, TRUE); -} - -static gboolean -try_auth (CamelImapStore *store, const char *mech, CamelException *ex) -{ - CamelSasl *sasl; - CamelImapResponse *response; - char *resp; - char *sasl_resp; - - CAMEL_SERVICE_ASSERT_LOCKED (store, connect_lock); - - response = camel_imap_command (store, NULL, ex, "AUTHENTICATE %s", mech); - if (!response) - return FALSE; - - sasl = camel_sasl_new ("imap", mech, CAMEL_SERVICE (store)); - while (!camel_sasl_authenticated (sasl)) { - resp = camel_imap_response_extract_continuation (store, response, ex); - if (!resp) - goto lose; - - sasl_resp = camel_sasl_challenge_base64 (sasl, imap_next_word (resp), ex); - g_free (resp); - if (camel_exception_is_set (ex)) - goto break_and_lose; - - response = camel_imap_command_continuation (store, sasl_resp, strlen (sasl_resp), ex); - g_free (sasl_resp); - if (!response) - goto lose; - } - - resp = camel_imap_response_extract_continuation (store, response, NULL); - if (resp) { - /* Oops. SASL claims we're done, but the IMAP server - * doesn't think so... - */ - g_free (resp); - goto lose; - } - - camel_object_unref (CAMEL_OBJECT (sasl)); - - return TRUE; - - break_and_lose: - /* Get the server out of "waiting for continuation data" mode. */ - response = camel_imap_command_continuation (store, "*", 1, NULL); - if (response) - camel_imap_response_free (store, response); - - lose: - if (!camel_exception_is_set (ex)) { - camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE, - _("Bad authentication response from server.")); - } - - camel_object_unref (CAMEL_OBJECT (sasl)); - - return FALSE; -} - -static gboolean -imap_auth_loop (CamelService *service, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelSession *session = camel_service_get_session (service); - CamelServiceAuthType *authtype = NULL; - CamelImapResponse *response; - char *errbuf = NULL; - gboolean authenticated = FALSE; - - CAMEL_SERVICE_ASSERT_LOCKED (store, connect_lock); - - if (store->preauthed) { - if (camel_verbose_debug) - fprintf(stderr, "Server %s has preauthenticated us.\n", - service->url->host); - return TRUE; - } - - if (service->url->authmech) { - if (!g_hash_table_lookup (store->authtypes, service->url->authmech)) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE, - _("IMAP server %s does not support requested " - "authentication type %s"), - service->url->host, - service->url->authmech); - return FALSE; - } - - authtype = camel_sasl_authtype (service->url->authmech); - if (!authtype) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE, - _("No support for authentication type %s"), - service->url->authmech); - return FALSE; - } - - if (!authtype->need_password) { - authenticated = try_auth (store, authtype->authproto, ex); - if (!authenticated) - return FALSE; - } - } - - while (!authenticated) { - if (errbuf) { - /* We need to un-cache the password before prompting again */ - camel_session_forget_password (session, service, "password", ex); - g_free (service->url->passwd); - service->url->passwd = NULL; - } - - if (!service->url->passwd) { - char *prompt; - - prompt = g_strdup_printf (_("%sPlease enter the IMAP " - "password for %s@%s"), - errbuf ? errbuf : "", - service->url->user, - service->url->host); - service->url->passwd = - camel_session_get_password (session, prompt, FALSE, TRUE, - service, "password", ex); - g_free (prompt); - g_free (errbuf); - errbuf = NULL; - - if (!service->url->passwd) { - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, - _("You didn't enter a password.")); - return FALSE; - } - } - - if (!store->connected) { - /* Some servers (eg, courier) will disconnect on - * a bad password. So reconnect here. - */ - if (!connect_to_server_wrapper (service, ex)) - return FALSE; - } - - if (authtype) - authenticated = try_auth (store, authtype->authproto, ex); - else { - response = camel_imap_command (store, NULL, ex, - "LOGIN %S %S", - service->url->user, - service->url->passwd); - if (response) { - camel_imap_response_free (store, response); - authenticated = TRUE; - } - } - if (!authenticated) { - if (camel_exception_get_id(ex) == CAMEL_EXCEPTION_USER_CANCEL) - return FALSE; - - errbuf = g_strdup_printf (_("Unable to authenticate " - "to IMAP server.\n%s\n\n"), - camel_exception_get_description (ex)); - camel_exception_clear (ex); - } - } - - return TRUE; -} - -static gboolean -can_work_offline (CamelDiscoStore *disco_store) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (disco_store); - - return camel_store_summary_count((CamelStoreSummary *)store->summary) != 0; -} - -static gboolean -imap_connect_online (CamelService *service, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelDiscoStore *disco_store = CAMEL_DISCO_STORE (service); - CamelImapResponse *response; - /*struct _namespaces *namespaces;*/ - char *result, *name, *path; - int i; - size_t len; - CamelImapStoreNamespace *ns; - - CAMEL_SERVICE_LOCK (store, connect_lock); - if (!connect_to_server_wrapper (service, ex) || - !imap_auth_loop (service, ex)) { - CAMEL_SERVICE_UNLOCK (store, connect_lock); - camel_service_disconnect (service, TRUE, NULL); - return FALSE; - } - - /* Get namespace and hierarchy separator */ - if ((store->capabilities & IMAP_CAPABILITY_NAMESPACE) && - !(store->parameters & IMAP_PARAM_OVERRIDE_NAMESPACE)) { - response = camel_imap_command (store, NULL, ex, "NAMESPACE"); - if (!response) - goto done; - - result = camel_imap_response_extract (store, response, "NAMESPACE", ex); - if (!result) - goto done; - -#if 0 - /* new code... */ - namespaces = imap_parse_namespace_response (result); - imap_namespaces_destroy (namespaces); - /* end new code */ -#endif - - name = camel_strstrcase (result, "NAMESPACE (("); - if (name) { - char *sep; - - name += 12; - store->namespace = imap_parse_string ((const char **) &name, &len); - if (name && *name++ == ' ') { - sep = imap_parse_string ((const char **) &name, &len); - if (sep) { - store->dir_sep = *sep; - ((CamelStore *)store)->dir_sep = store->dir_sep; - g_free (sep); - } - } - } - g_free (result); - } - - if (!store->namespace) - store->namespace = g_strdup (""); - - if (!store->dir_sep) { - if (store->server_level >= IMAP_LEVEL_IMAP4REV1) { - /* This idiom means "tell me the hierarchy separator - * for the given path, even if that path doesn't exist. - */ - response = camel_imap_command (store, NULL, ex, - "LIST %S \"\"", - store->namespace); - } else { - /* Plain IMAP4 doesn't have that idiom, so we fall back - * to "tell me about this folder", which will fail if - * the folder doesn't exist (eg, if namespace is ""). - */ - response = camel_imap_command (store, NULL, ex, - "LIST \"\" %S", - store->namespace); - } - if (!response) - goto done; - - result = camel_imap_response_extract (store, response, "LIST", NULL); - if (result) { - imap_parse_list_response (store, result, NULL, &store->dir_sep, NULL); - g_free (result); - } - if (!store->dir_sep) { - store->dir_sep = '/'; /* Guess */ - ((CamelStore *)store)->dir_sep = store->dir_sep; - } - } - - /* canonicalize the namespace to end with dir_sep */ - len = strlen (store->namespace); - if (len && store->namespace[len - 1] != store->dir_sep) { - gchar *tmp; - - tmp = g_strdup_printf ("%s%c", store->namespace, store->dir_sep); - g_free (store->namespace); - store->namespace = tmp; - } - - ns = camel_imap_store_summary_namespace_new(store->summary, store->namespace, store->dir_sep); - camel_imap_store_summary_namespace_set(store->summary, ns); - - if (CAMEL_STORE (store)->flags & CAMEL_STORE_SUBSCRIPTIONS) { - gboolean haveinbox = FALSE; - GPtrArray *folders; - char *pattern; - - /* this pre-fills the summary, and checks that lsub is useful */ - folders = g_ptr_array_new (); - pattern = g_strdup_printf ("%s*", store->namespace); - get_folders_online (store, pattern, folders, TRUE, ex); - g_free (pattern); - - for (i = 0; i < folders->len; i++) { - CamelFolderInfo *fi = folders->pdata[i]; - - haveinbox = haveinbox || !strcasecmp (fi->full_name, "INBOX"); - - if (fi->flags & (CAMEL_IMAP_FOLDER_MARKED | CAMEL_IMAP_FOLDER_UNMARKED)) - store->capabilities |= IMAP_CAPABILITY_useful_lsub; - camel_folder_info_free (fi); - } - - /* if the namespace is under INBOX, check INBOX explicitly */ - if (!strncasecmp (store->namespace, "INBOX", 5) && !camel_exception_is_set (ex)) { - gboolean just_subscribed = FALSE; - gboolean need_subscribe = FALSE; - - recheck: - g_ptr_array_set_size (folders, 0); - get_folders_online (store, "INBOX", folders, TRUE, ex); - - for (i = 0; i < folders->len; i++) { - CamelFolderInfo *fi = folders->pdata[i]; - - /* this should always be TRUE if folders->len > 0 */ - if (!strcasecmp (fi->full_name, "INBOX")) { - haveinbox = TRUE; - - /* if INBOX is marked as \NoSelect then it is probably - because it has not been subscribed to */ - if (!need_subscribe) - need_subscribe = fi->flags & CAMEL_FOLDER_NOSELECT; - } - - camel_folder_info_free (fi); - } - - need_subscribe = !haveinbox || need_subscribe; - if (need_subscribe && !just_subscribed && !camel_exception_is_set (ex)) { - /* in order to avoid user complaints, force a subscription to INBOX */ - response = camel_imap_command (store, NULL, ex, "SUBSCRIBE INBOX"); - if (response != NULL) { - /* force a re-check which will pre-fill the summary and - also get any folder flags present on the INBOX */ - camel_imap_response_free (store, response); - just_subscribed = TRUE; - goto recheck; - } - } - } - - g_ptr_array_free (folders, TRUE); - } - - path = g_strdup_printf ("%s/journal", store->storage_path); - disco_store->diary = camel_disco_diary_new (disco_store, path, ex); - g_free (path); - - done: - /* save any changes we had */ - camel_store_summary_save((CamelStoreSummary *)store->summary); - - CAMEL_SERVICE_UNLOCK (store, connect_lock); - - if (camel_exception_is_set (ex)) - camel_service_disconnect (service, TRUE, NULL); - else if (camel_disco_diary_empty (disco_store->diary)) - imap_store_refresh_folders (store, ex); - - return !camel_exception_is_set (ex); -} - -static gboolean -imap_connect_offline (CamelService *service, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelDiscoStore *disco_store = CAMEL_DISCO_STORE (service); - char *path; - - path = g_strdup_printf ("%s/journal", store->storage_path); - disco_store->diary = camel_disco_diary_new (disco_store, path, ex); - g_free (path); - if (!disco_store->diary) - return FALSE; - - imap_store_refresh_folders (store, ex); - - store->connected = !camel_exception_is_set (ex); - return store->connected; -} - -static gboolean -imap_disconnect_offline (CamelService *service, gboolean clean, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelDiscoStore *disco = CAMEL_DISCO_STORE (service); - - store->connected = FALSE; - if (store->current_folder) { - camel_object_unref (CAMEL_OBJECT (store->current_folder)); - store->current_folder = NULL; - } - - if (store->authtypes) { - g_hash_table_foreach_remove (store->authtypes, - free_key, NULL); - g_hash_table_destroy (store->authtypes); - store->authtypes = NULL; - } - - if (store->namespace && !(store->parameters & IMAP_PARAM_OVERRIDE_NAMESPACE)) { - g_free (store->namespace); - store->namespace = NULL; - } - - if (disco->diary) { - camel_object_unref (CAMEL_OBJECT (disco->diary)); - disco->diary = NULL; - } - - return TRUE; -} - -static gboolean -imap_disconnect_online (CamelService *service, gboolean clean, CamelException *ex) -{ - CamelImapStore *store = CAMEL_IMAP_STORE (service); - CamelImapResponse *response; - - if (store->connected && clean) { - response = camel_imap_command (store, NULL, NULL, "LOGOUT"); - camel_imap_response_free (store, response); - } - - if (store->istream) { - camel_object_unref (CAMEL_OBJECT (store->istream)); - store->istream = NULL; - } - - if (store->ostream) { - camel_object_unref (CAMEL_OBJECT (store->ostream)); - store->ostream = NULL; - } - - imap_disconnect_offline (service, clean, ex); - - return TRUE; -} - - -static gboolean -imap_summary_is_dirty (CamelFolderSummary *summary) -{ - CamelMessageInfo *info; - int max, i; - - max = camel_folder_summary_count (summary); - for (i = 0; i < max; i++) { - info = camel_folder_summary_index (summary, i); - if (info && (info->flags & CAMEL_MESSAGE_FOLDER_FLAGGED)) - return TRUE; - } - - return FALSE; -} - -static void -imap_noop (CamelStore *store, CamelException *ex) -{ - CamelImapStore *imap_store = (CamelImapStore *) store; - CamelDiscoStore *disco = (CamelDiscoStore *) store; - CamelImapResponse *response; - CamelFolder *current_folder; - - if (camel_disco_store_status (disco) != CAMEL_DISCO_STORE_ONLINE) - return; - - CAMEL_SERVICE_LOCK (imap_store, connect_lock); - - current_folder = imap_store->current_folder; - if (current_folder && imap_summary_is_dirty (current_folder->summary)) { - /* let's sync the flags instead. NB: must avoid folder lock */ - ((CamelFolderClass *)((CamelObject *)current_folder)->klass)->sync(current_folder, FALSE, ex); - } else { - response = camel_imap_command (imap_store, NULL, ex, "NOOP"); - if (response) - camel_imap_response_free (imap_store, response); - } - - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); -} - -static guint -hash_folder_name (gconstpointer key) -{ - if (strcasecmp (key, "INBOX") == 0) - return g_str_hash ("INBOX"); - else - return g_str_hash (key); -} - -static gint -compare_folder_name (gconstpointer a, gconstpointer b) -{ - gconstpointer aname = a, bname = b; - - if (strcasecmp (a, "INBOX") == 0) - aname = "INBOX"; - if (strcasecmp (b, "INBOX") == 0) - bname = "INBOX"; - return g_str_equal (aname, bname); -} - -static CamelFolder * -no_such_folder (const char *name, CamelException *ex) -{ - camel_exception_setv (ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, - _("No such folder %s"), name); - return NULL; -} - -static int -get_folder_status (CamelImapStore *imap_store, const char *folder_name, const char *type) -{ - CamelImapResponse *response; - char *status, *p; - int out; - - /* FIXME: we assume the server is STATUS-capable */ - - response = camel_imap_command (imap_store, NULL, NULL, - "STATUS %F (%s)", - folder_name, - type); - - if (!response) { - CamelException ex; - - camel_exception_init (&ex); - if (imap_check_folder_still_extant (imap_store, folder_name, &ex) == FALSE) { - imap_folder_effectively_unsubscribed (imap_store, folder_name, &ex); - imap_forget_folder (imap_store, folder_name, &ex); - } - camel_exception_clear (&ex); - return -1; - } - - status = camel_imap_response_extract (imap_store, response, - "STATUS", NULL); - if (!status) - return -1; - - p = camel_strstrcase (status, type); - if (p) - out = strtoul (p + strlen (type), NULL, 10); - else - out = -1; - - g_free (status); - return out; -} - -static CamelFolder * -get_folder_online (CamelStore *store, const char *folder_name, - guint32 flags, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelImapResponse *response; - CamelFolder *new_folder; - char *folder_dir, *storage_path; - - if (!camel_imap_store_connected (imap_store, ex)) - return NULL; - - if (!strcasecmp (folder_name, "INBOX")) - folder_name = "INBOX"; - - /* Lock around the whole lot to check/create atomically */ - CAMEL_SERVICE_LOCK (imap_store, connect_lock); - if (imap_store->current_folder) { - camel_object_unref (CAMEL_OBJECT (imap_store->current_folder)); - imap_store->current_folder = NULL; - } - response = camel_imap_command (imap_store, NULL, NULL, "SELECT %F", folder_name); - if (!response) { - char *folder_real; - - if (!flags & CAMEL_STORE_FOLDER_CREATE) { - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - return no_such_folder (folder_name, ex); - } - - folder_real = camel_imap_store_summary_path_to_full(imap_store->summary, folder_name, store->dir_sep); - - response = camel_imap_command (imap_store, NULL, ex, "CREATE %S", folder_real); - - if (response) { - camel_imap_store_summary_add_from_full(imap_store->summary, folder_real, store->dir_sep); - - camel_imap_response_free (imap_store, response); - - response = camel_imap_command (imap_store, NULL, NULL, "SELECT %F", folder_name); - } - g_free(folder_real); - if (!response) { - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - return NULL; - } - } - - storage_path = g_strdup_printf("%s/folders", imap_store->storage_path); - folder_dir = e_path_to_physical (storage_path, folder_name); - g_free(storage_path); - new_folder = camel_imap_folder_new (store, folder_name, folder_dir, ex); - g_free (folder_dir); - if (new_folder) { - CamelException local_ex; - - imap_store->current_folder = new_folder; - camel_object_ref (CAMEL_OBJECT (new_folder)); - camel_exception_init (&local_ex); - camel_imap_folder_selected (new_folder, response, &local_ex); - - if (camel_exception_is_set (&local_ex)) { - camel_exception_xfer (ex, &local_ex); - camel_object_unref (CAMEL_OBJECT (imap_store->current_folder)); - imap_store->current_folder = NULL; - camel_object_unref (CAMEL_OBJECT (new_folder)); - new_folder = NULL; - } - } - camel_imap_response_free_without_processing (imap_store, response); - - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - - return new_folder; -} - -static CamelFolder * -get_folder_offline (CamelStore *store, const char *folder_name, - guint32 flags, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelFolder *new_folder; - char *folder_dir, *storage_path; - - if (!imap_store->connected && - !camel_service_connect (CAMEL_SERVICE (store), ex)) - return NULL; - - if (!strcasecmp (folder_name, "INBOX")) - folder_name = "INBOX"; - - storage_path = g_strdup_printf("%s/folders", imap_store->storage_path); - folder_dir = e_path_to_physical (storage_path, folder_name); - g_free(storage_path); - if (!folder_dir || access (folder_dir, F_OK) != 0) { - g_free (folder_dir); - camel_exception_setv (ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, - _("No such folder %s"), folder_name); - return NULL; - } - - new_folder = camel_imap_folder_new (store, folder_name, folder_dir, ex); - g_free (folder_dir); - - return new_folder; -} - -static void -delete_folder (CamelStore *store, const char *folder_name, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelImapResponse *response; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return; - - /* make sure this folder isn't currently SELECTed */ - response = camel_imap_command (imap_store, NULL, ex, "SELECT INBOX"); - if (response) { - camel_imap_response_free_without_processing (imap_store, response); - - CAMEL_SERVICE_LOCK (imap_store, connect_lock); - - if (imap_store->current_folder) - camel_object_unref (CAMEL_OBJECT (imap_store->current_folder)); - /* no need to actually create a CamelFolder for INBOX */ - imap_store->current_folder = NULL; - - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - } else - return; - - response = camel_imap_command (imap_store, NULL, ex, "DELETE %F", - folder_name); - - if (response) { - camel_imap_response_free (imap_store, response); - imap_forget_folder (imap_store, folder_name, ex); - } -} - -static void -manage_subscriptions (CamelStore *store, const char *old_name, gboolean subscribe) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelStoreInfo *si; - int olen = strlen(old_name); - const char *path; - int i, count; - - count = camel_store_summary_count((CamelStoreSummary *)imap_store->summary); - for (i=0;i<count;i++) { - si = camel_store_summary_index((CamelStoreSummary *)imap_store->summary, i); - if (si) { - path = camel_store_info_path(imap_store->summary, si); - if (strncmp(path, old_name, olen) == 0) { - if (subscribe) - subscribe_folder(store, path, NULL); - else - unsubscribe_folder(store, path, NULL); - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - } -} - -static void -rename_folder_info (CamelImapStore *imap_store, const char *old_name, const char *new_name) -{ - int i, count; - CamelStoreInfo *si; - int olen = strlen(old_name); - const char *path; - char *npath, *nfull; - - count = camel_store_summary_count((CamelStoreSummary *)imap_store->summary); - for (i=0;i<count;i++) { - si = camel_store_summary_index((CamelStoreSummary *)imap_store->summary, i); - if (si == NULL) - continue; - path = camel_store_info_path(imap_store->summary, si); - if (strncmp(path, old_name, olen) == 0) { - if (strlen(path) > olen) - npath = g_strdup_printf("%s/%s", new_name, path+olen+1); - else - npath = g_strdup(new_name); - nfull = camel_imap_store_summary_path_to_full(imap_store->summary, npath, imap_store->dir_sep); - - /* workaround for broken server (courier uses '.') that doesn't rename - subordinate folders as required by rfc 2060 */ - if (imap_store->dir_sep == '.') { - CamelImapResponse *response; - - response = camel_imap_command (imap_store, NULL, NULL, "RENAME %F %S", path, nfull); - if (response) - camel_imap_response_free (imap_store, response); - } - - camel_store_info_set_string((CamelStoreSummary *)imap_store->summary, si, CAMEL_STORE_INFO_PATH, npath); - camel_store_info_set_string((CamelStoreSummary *)imap_store->summary, si, CAMEL_IMAP_STORE_INFO_FULL_NAME, nfull); - - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - g_free(nfull); - g_free(npath); - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } -} - -static void -rename_folder (CamelStore *store, const char *old_name, const char *new_name_in, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelImapResponse *response; - char *oldpath, *newpath, *storage_path, *new_name; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return; - - /* make sure this folder isn't currently SELECTed - it's - actually possible to rename INBOX but if you do another - INBOX will immediately be created by the server */ - response = camel_imap_command (imap_store, NULL, ex, "SELECT INBOX"); - if (response) { - camel_imap_response_free_without_processing (imap_store, response); - - CAMEL_SERVICE_LOCK (imap_store, connect_lock); - - if (imap_store->current_folder) - camel_object_unref (CAMEL_OBJECT (imap_store->current_folder)); - /* no need to actually create a CamelFolder for INBOX */ - imap_store->current_folder = NULL; - - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - } else - return; - - imap_store->renaming = TRUE; - - if (store->flags & CAMEL_STORE_SUBSCRIPTIONS) - manage_subscriptions(store, old_name, FALSE); - - new_name = camel_imap_store_summary_path_to_full(imap_store->summary, new_name_in, store->dir_sep); - response = camel_imap_command (imap_store, NULL, ex, "RENAME %F %S", old_name, new_name); - - if (!response) { - if (store->flags & CAMEL_STORE_SUBSCRIPTIONS) - manage_subscriptions(store, old_name, TRUE); - g_free(new_name); - imap_store->renaming = FALSE; - return; - } - - camel_imap_response_free (imap_store, response); - - /* rename summary, and handle broken server */ - rename_folder_info(imap_store, old_name, new_name_in); - - if (store->flags & CAMEL_STORE_SUBSCRIPTIONS) - manage_subscriptions(store, new_name_in, TRUE); - - storage_path = g_strdup_printf("%s/folders", imap_store->storage_path); - oldpath = e_path_to_physical (storage_path, old_name); - newpath = e_path_to_physical (storage_path, new_name_in); - g_free(storage_path); - - /* So do we care if this didn't work? Its just a cache? */ - if (rename (oldpath, newpath) == -1) { - g_warning ("Could not rename message cache '%s' to '%s': %s: cache reset", - oldpath, newpath, strerror (errno)); - } - - g_free (oldpath); - g_free (newpath); - g_free(new_name); - - imap_store->renaming = FALSE; -} - -static CamelFolderInfo * -create_folder (CamelStore *store, const char *parent_name, - const char *folder_name, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - char *full_name, *resp, *thisone, *parent_real, *real_name; - CamelImapResponse *response; - CamelException internal_ex; - CamelFolderInfo *root = NULL; - gboolean need_convert; - int i = 0, flags; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return NULL; - if (!parent_name) - parent_name = ""; - - if (strchr (folder_name, imap_store->dir_sep)) { - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID_PATH, - _("The folder name \"%s\" is invalid because " - "it containes the character \"%c\""), - folder_name, imap_store->dir_sep); - return NULL; - } - - /* check if the parent allows inferiors */ - - /* FIXME: use storesummary directly */ - parent_real = camel_imap_store_summary_full_from_path(imap_store->summary, parent_name); - if (parent_real == NULL) { - camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_STATE, - _("Unknown parent folder: %s"), parent_name); - return NULL; - } - - need_convert = FALSE; - response = camel_imap_command (imap_store, NULL, ex, "LIST \"\" %S", - parent_real); - if (!response) /* whoa, this is bad */ { - g_free(parent_real); - return NULL; - } - - /* FIXME: does not handle unexpected circumstances very well */ - for (i = 0; i < response->untagged->len; i++) { - resp = response->untagged->pdata[i]; - - if (!imap_parse_list_response (imap_store, resp, &flags, NULL, &thisone)) - continue; - - if (strcmp (thisone, parent_name) == 0) { - if (flags & CAMEL_FOLDER_NOINFERIORS) - need_convert = TRUE; - break; - } - } - - camel_imap_response_free (imap_store, response); - - camel_exception_init (&internal_ex); - - /* if not, check if we can delete it and recreate it */ - if (need_convert) { - char *name; - - if (get_folder_status (imap_store, parent_name, "MESSAGES")) { - camel_exception_set (ex, CAMEL_EXCEPTION_FOLDER_INVALID_STATE, - _("The parent folder is not allowed to contain subfolders")); - g_free(parent_real); - return NULL; - } - - /* delete the old parent and recreate it */ - delete_folder (store, parent_name, &internal_ex); - if (camel_exception_is_set (&internal_ex)) { - camel_exception_xfer (ex, &internal_ex); - return NULL; - } - - /* add the dirsep to the end of parent_name */ - name = g_strdup_printf ("%s%c", parent_real, imap_store->dir_sep); - response = camel_imap_command (imap_store, NULL, ex, "CREATE %S", - name); - g_free (name); - - if (!response) { - g_free(parent_real); - return NULL; - } else - camel_imap_response_free (imap_store, response); - - root = imap_build_folder_info(imap_store, parent_name); - } - - /* ok now we can create the folder */ - real_name = camel_imap_store_summary_path_to_full(imap_store->summary, folder_name, store->dir_sep); - full_name = imap_concat (imap_store, parent_real, real_name); - g_free(real_name); - response = camel_imap_command (imap_store, NULL, ex, "CREATE %S", full_name); - - if (response) { - CamelImapStoreInfo *si; - CamelFolderInfo *fi; - - camel_imap_response_free (imap_store, response); - - si = camel_imap_store_summary_add_from_full(imap_store->summary, full_name, store->dir_sep); - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - fi = imap_build_folder_info(imap_store, camel_store_info_path(imap_store->summary, si)); - if (root) { - root->child = fi; - fi->parent = root; - } else { - root = fi; - } - camel_object_trigger_event (CAMEL_OBJECT (store), "folder_created", root); - } else if (root) { - /* need to re-recreate the folder we just deleted */ - camel_object_trigger_event (CAMEL_OBJECT (store), "folder_created", root); - camel_folder_info_free(root); - root = NULL; - } - - g_free (full_name); - g_free(parent_real); - - return root; -} - -static CamelFolderInfo * -parse_list_response_as_folder_info (CamelImapStore *imap_store, - const char *response) -{ - CamelFolderInfo *fi; - int flags; - char sep, *dir; - CamelURL *url; - CamelImapStoreInfo *si; - guint32 newflags; - - if (!imap_parse_list_response (imap_store, response, &flags, &sep, &dir)) - return NULL; - - /* FIXME: should use imap_build_folder_info, note the differences with param setting tho */ - - si = camel_imap_store_summary_add_from_full(imap_store->summary, dir, sep?sep:'/'); - newflags = (si->info.flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) | (flags & ~CAMEL_STORE_INFO_FOLDER_SUBSCRIBED); - if (si->info.flags != newflags) { - si->info.flags = newflags; - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - } - - fi = g_new0 (CamelFolderInfo, 1); - fi->flags = flags; - fi->name = g_strdup(camel_store_info_name(imap_store->summary, si)); - fi->path = g_strdup_printf("/%s", camel_store_info_path(imap_store->summary, si)); - fi->full_name = g_strdup(fi->path+1); - - url = camel_url_new (imap_store->base_url, NULL); - camel_url_set_path(url, fi->path); - - if (flags & CAMEL_FOLDER_NOSELECT || fi->name[0] == 0) - camel_url_set_param (url, "noselect", "yes"); - fi->url = camel_url_to_string (url, 0); - camel_url_free (url); - - /* FIXME: redundant */ - if (flags & CAMEL_IMAP_FOLDER_UNMARKED) - fi->unread_message_count = -1; - - return fi; -} - -/* this is used when lsub doesn't provide very useful information */ -static GPtrArray * -get_subscribed_folders (CamelImapStore *imap_store, const char *top, CamelException *ex) -{ - GPtrArray *names, *folders; - int i, toplen = strlen (top); - CamelStoreInfo *si; - CamelImapResponse *response; - CamelFolderInfo *fi; - char *result; - int haveinbox = FALSE; - - folders = g_ptr_array_new (); - names = g_ptr_array_new (); - for (i=0;(si = camel_store_summary_index((CamelStoreSummary *)imap_store->summary, i));i++) { - if (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) { - g_ptr_array_add(names, (char *)camel_imap_store_info_full_name(imap_store->summary, si)); - haveinbox = haveinbox || strcasecmp(camel_imap_store_info_full_name(imap_store->summary, si), "INBOX") == 0; - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - - if (!haveinbox) - g_ptr_array_add (names, "INBOX"); - - for (i = 0; i < names->len; i++) { - response = camel_imap_command (imap_store, NULL, ex, - "LIST \"\" %S", - names->pdata[i]); - if (!response) - break; - - result = camel_imap_response_extract (imap_store, response, "LIST", NULL); - if (!result) { - camel_store_summary_remove_path((CamelStoreSummary *)imap_store->summary, names->pdata[i]); - g_ptr_array_remove_index_fast (names, i); - i--; - continue; - } - - fi = parse_list_response_as_folder_info (imap_store, result); - if (!fi) - continue; - - if (strncmp (top, fi->full_name, toplen) != 0) { - camel_folder_info_free (fi); - continue; - } - - g_ptr_array_add (folders, fi); - } - - g_ptr_array_free (names, TRUE); - - return folders; -} - -static int imap_match_pattern(char dir_sep, const char *pattern, const char *name) -{ - char p, n; - - p = *pattern++; - n = *name++; - while (n && p) { - if (n == p) { - p = *pattern++; - n = *name++; - } else if (p == '%') { - if (n != dir_sep) { - n = *name++; - } else { - p = *pattern++; - } - } else if (p == '*') { - return TRUE; - } else - return FALSE; - } - - return n == 0 && (p == '%' || p == 0); -} - -static void -get_folders_online (CamelImapStore *imap_store, const char *pattern, - GPtrArray *folders, gboolean lsub, CamelException *ex) -{ - CamelImapResponse *response; - CamelFolderInfo *fi; - char *list; - int i, count; - GHashTable *present; - CamelStoreInfo *si; - - response = camel_imap_command (imap_store, NULL, ex, - "%s \"\" %S", lsub ? "LSUB" : "LIST", - pattern); - if (!response) - return; - - present = g_hash_table_new(g_str_hash, g_str_equal); - for (i = 0; i < response->untagged->len; i++) { - list = response->untagged->pdata[i]; - fi = parse_list_response_as_folder_info (imap_store, list); - if (fi) { - g_ptr_array_add(folders, fi); - g_hash_table_insert(present, fi->full_name, fi); - } - } - camel_imap_response_free (imap_store, response); - - /* update our summary to match the server */ - count = camel_store_summary_count((CamelStoreSummary *)imap_store->summary); - for (i=0;i<count;i++) { - si = camel_store_summary_index((CamelStoreSummary *)imap_store->summary, i); - if (si == NULL) - continue; - - if (imap_match_pattern(((CamelStore *)imap_store)->dir_sep, pattern, camel_imap_store_info_full_name(imap_store->summary, si))) { - if (g_hash_table_lookup(present, camel_store_info_path(imap_store->summary, si)) != NULL) { - if (lsub && (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) == 0) { - si->flags |= CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - } - } else { - if (lsub) { - if (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) { - si->flags &= ~CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - } - } else { - camel_store_summary_remove((CamelStoreSummary *)imap_store->summary, si); - count--; - i--; - } - } - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - g_hash_table_destroy(present); -} - -#if 0 -static void -dumpfi(CamelFolderInfo *fi) -{ - int depth; - CamelFolderInfo *n = fi; - - if (fi == NULL) - return; - - depth = 0; - while (n->parent) { - depth++; - n = n->parent; - } - - while (fi) { - printf("%-40s %-30s %*s\n", fi->path, fi->full_name, depth*2+strlen(fi->url), fi->url); - if (fi->child) - dumpfi(fi->child); - fi = fi->sibling; - } -} -#endif - -static void -get_folder_counts(CamelImapStore *imap_store, CamelFolderInfo *fi, CamelException *ex) -{ - GSList *q; - CamelFolder *folder; - - /* non-recursive breath first search */ - - q = g_slist_append(NULL, fi); - - while (q) { - fi = q->data; - q = g_slist_remove_link(q, q); - - while (fi) { - /* ignore noselect folders, and check only inbox if we only check inbox */ - if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0 - && ( (imap_store->parameters & IMAP_PARAM_CHECK_ALL) - || strcasecmp(fi->full_name, "inbox") == 0) ) { - - CAMEL_SERVICE_LOCK (imap_store, connect_lock); - /* For the current folder, poke it to check for new - * messages and then report that number, rather than - * doing a STATUS command. - */ - if (imap_store->current_folder && strcmp(imap_store->current_folder->full_name, fi->full_name) == 0) { - /* we bypass the folder locking otherwise we can deadlock. we use the command lock for - any operations anyway so this is 'safe'. See comment above imap_store_refresh_folders() for info */ - CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(imap_store->current_folder))->refresh_info(imap_store->current_folder, ex); - fi->unread_message_count = camel_folder_get_unread_message_count (imap_store->current_folder); - } else { - fi->unread_message_count = get_folder_status (imap_store, fi->full_name, "UNSEEN"); - /* if we have this folder open, and the unread count has changed, update */ - folder = camel_object_bag_get(CAMEL_STORE(imap_store)->folders, fi->full_name); - if (folder && fi->unread_message_count != camel_folder_get_unread_message_count(folder)) { - CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(folder))->refresh_info(folder, ex); - fi->unread_message_count = camel_folder_get_unread_message_count(folder); - } - if (folder) - camel_object_unref(folder); - - } - - CAMEL_SERVICE_UNLOCK (imap_store, connect_lock); - } else { - /* since its cheap, get it if they're open */ - folder = camel_object_bag_get(CAMEL_STORE(imap_store)->folders, fi->full_name); - if (folder) { - fi->unread_message_count = camel_folder_get_unread_message_count(folder); - camel_object_unref(folder); - } else - fi->unread_message_count = -1; - } - - if (fi->child) - q = g_slist_append(q, fi->child); - fi = fi->sibling; - } - } -} - -/* imap needs to treat inbox case insensitive */ -/* we'll assume the names are normalised already */ -static guint folder_hash(const void *ap) -{ - const char *a = ap; - - if (strcasecmp(a, "INBOX") == 0) - a = "INBOX"; - - return g_str_hash(a); -} - -static int folder_eq(const void *ap, const void *bp) -{ - const char *a = ap; - const char *b = bp; - - if (strcasecmp(a, "INBOX") == 0) - a = "INBOX"; - if (strcasecmp(b, "INBOX") == 0) - b = "INBOX"; - - return g_str_equal(a, b); -} - -static GPtrArray * -get_folders(CamelStore *store, const char *top, guint32 flags, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - GSList *p = NULL; - GHashTable *infos; - int i; - GPtrArray *folders, *folders_out; - CamelFolderInfo *fi; - char *name; - int depth = 0; - int haveinbox = 0; - static int imap_max_depth = 0; - - if (!camel_imap_store_connected (imap_store, ex)) - return NULL; - - /* allow megalomaniacs to override the max of 10 */ - if (imap_max_depth == 0) { - name = getenv("CAMEL_IMAP_MAX_DEPTH"); - if (name) { - imap_max_depth = atoi (name); - imap_max_depth = MIN (MAX (imap_max_depth, 0), 2); - } else - imap_max_depth = 10; - } - - infos = g_hash_table_new(folder_hash, folder_eq); - - /* get starting point & strip trailing '/' */ - if (top[0] == 0) { - if (imap_store->namespace) { - top = imap_store->namespace; - i = strlen(top)-1; - name = g_malloc(i+2); - strcpy(name, top); - while (i>0 && name[i] == store->dir_sep) - name[i--] = 0; - } else - name = g_strdup(""); - } else { - name = camel_imap_store_summary_full_from_path(imap_store->summary, top); - if (name == NULL) - name = camel_imap_store_summary_path_to_full(imap_store->summary, top, store->dir_sep); - } - - d(printf("\n\nList '%s' %s\n", name, flags&CAMEL_STORE_FOLDER_INFO_RECURSIVE?"RECURSIVE":"NON-RECURSIVE")); - - folders_out = g_ptr_array_new(); - folders = g_ptr_array_new(); - - /* first get working list of names */ - get_folders_online (imap_store, name[0]?name:"%", folders, flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex); - if (camel_exception_is_set(ex)) - goto fail; - for (i=0; i<folders->len && !haveinbox; i++) { - fi = folders->pdata[i]; - haveinbox = (strcasecmp(fi->full_name, "INBOX")) == 0; - } - - if (!haveinbox && top == imap_store->namespace) { - get_folders_online (imap_store, "INBOX", folders, - flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex); - - if (camel_exception_is_set (ex)) - goto fail; - } - - for (i=0; i<folders->len; i++) - p = g_slist_prepend(p, folders->pdata[i]); - - g_ptr_array_set_size(folders, 0); - - /* p is a reversed list of pending folders for the next level, q is the list of folders for this */ - while (p) { - GSList *q = g_slist_reverse(p); - - p = NULL; - while (q) { - fi = q->data; - - q = g_slist_remove_link(q, q); - g_ptr_array_add(folders_out, fi); - - d(printf("Checking folder '%s'\n", fi->full_name)); - - /* First if we're not recursive mode on the top level, and we know it has or doesn't - or can't have children, no need to go further - a bit ugly */ - if ( top == imap_store->namespace - && (flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE) == 0 - && (fi->flags & (CAMEL_FOLDER_CHILDREN|CAMEL_IMAP_FOLDER_NOCHILDREN|CAMEL_FOLDER_NOINFERIORS)) != 0) { - /* do nothing */ - } - /* Otherwise, if this has (or might have) children, scan it */ - else if ( (fi->flags & (CAMEL_IMAP_FOLDER_NOCHILDREN|CAMEL_FOLDER_NOINFERIORS)) == 0 - || (fi->flags & CAMEL_FOLDER_CHILDREN) != 0) { - char *n, *real; - - real = camel_imap_store_summary_full_from_path(imap_store->summary, fi->full_name); - n = imap_concat(imap_store, real?real:fi->full_name, "%"); - get_folders_online(imap_store, n, folders, flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex); - g_free(n); - g_free(real); - - if (folders->len > 0) - fi->flags |= CAMEL_FOLDER_CHILDREN; - - for (i=0;i<folders->len;i++) { - fi = folders->pdata[i]; - if (g_hash_table_lookup(infos, fi->full_name) == NULL) { - g_hash_table_insert(infos, fi->full_name, fi); - if ((flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE) && depth<imap_max_depth) - p = g_slist_prepend(p, fi); - else - g_ptr_array_add(folders_out, fi); - } else { - camel_folder_info_free(fi); - } - } - g_ptr_array_set_size(folders, 0); - } - } - depth++; - } - - g_ptr_array_free(folders, TRUE); - g_hash_table_destroy(infos); - g_free(name); - - return folders_out; -fail: - g_ptr_array_free(folders, TRUE); - g_ptr_array_free(folders_out, TRUE); - g_hash_table_destroy(infos); - g_free(name); - - return NULL; -} - -static CamelFolderInfo * -get_folder_info_online (CamelStore *store, const char *top, guint32 flags, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelFolderInfo *tree; - GPtrArray *folders; - - if (top == NULL) - top = ""; - - if ((flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) - && !(imap_store->capabilities & IMAP_CAPABILITY_useful_lsub) - && (imap_store->parameters & IMAP_PARAM_CHECK_ALL)) - folders = get_subscribed_folders(imap_store, top, ex); - else - folders = get_folders(store, top, flags, ex); - - if (folders == NULL) - return NULL; - - tree = camel_folder_info_build(folders, top, '/', TRUE); - g_ptr_array_free(folders, TRUE); - - if (!(flags & CAMEL_STORE_FOLDER_INFO_FAST)) - get_folder_counts(imap_store, tree, ex); - - d(dumpfi(tree)); - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - - return tree; -} - -static gboolean -get_one_folder_offline (const char *physical_path, const char *path, gpointer data) -{ - GPtrArray *folders = data; - CamelImapStore *imap_store = folders->pdata[0]; - CamelFolderInfo *fi; - CamelStoreInfo *si; - - if (*path != '/') - return TRUE; - - /* folder_info_build will insert parent nodes as necessary and mark - * them as noselect, which is information we actually don't have at - * the moment. So let it do the right thing by bailing out if it's - * not a folder we're explicitly interested in. - */ - - si = camel_store_summary_path((CamelStoreSummary *)imap_store->summary, path+1); - if (si) { - if ((((CamelStore *)imap_store)->flags & CAMEL_STORE_SUBSCRIPTIONS) == 0 - || (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED)) { - fi = imap_build_folder_info(imap_store, path+1); - fi->flags = si->flags; - if (si->flags & CAMEL_FOLDER_NOSELECT) { - CamelURL *url = camel_url_new(fi->url, NULL); - - camel_url_set_param (url, "noselect", "yes"); - g_free(fi->url); - fi->url = camel_url_to_string (url, 0); - camel_url_free (url); - } - g_ptr_array_add (folders, fi); - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - - return TRUE; -} - -static CamelFolderInfo * -get_folder_info_offline (CamelStore *store, const char *top, - guint32 flags, CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelFolderInfo *fi; - GPtrArray *folders; - char *storage_path; - - if (!imap_store->connected && - !camel_service_connect (CAMEL_SERVICE (store), ex)) - return NULL; - - if ((store->flags & CAMEL_STORE_SUBSCRIPTIONS) && - !(flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED)) { - camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex); - return NULL; - } - - /* FIXME: obey other flags */ - - folders = g_ptr_array_new (); - - /* A kludge to avoid having to pass a struct to the callback */ - g_ptr_array_add (folders, imap_store); - storage_path = g_strdup_printf("%s/folders", imap_store->storage_path); - if (!e_path_find_folders (storage_path, get_one_folder_offline, folders)) { - camel_disco_store_check_online (CAMEL_DISCO_STORE (imap_store), ex); - fi = NULL; - } else { - g_ptr_array_remove_index_fast (folders, 0); - fi = camel_folder_info_build (folders, "", '/', TRUE); - } - g_free(storage_path); - - g_ptr_array_free (folders, TRUE); - return fi; -} - -static gboolean -folder_subscribed (CamelStore *store, const char *folder_name) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelStoreInfo *si; - int truth = FALSE; - - si = camel_store_summary_path((CamelStoreSummary *)imap_store->summary, folder_name); - if (si) { - truth = (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) != 0; - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - - return truth; -} - -/* Note: folder_name must match a folder as listed with get_folder_info() -> full_name */ -static void -subscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelImapResponse *response; - CamelFolderInfo *fi; - CamelStoreInfo *si; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return; - if (!camel_imap_store_connected (imap_store, ex)) - return; - - response = camel_imap_command (imap_store, NULL, ex, - "SUBSCRIBE %F", folder_name); - if (!response) - return; - camel_imap_response_free (imap_store, response); - - si = camel_store_summary_path((CamelStoreSummary *)imap_store->summary, folder_name); - if (si) { - if ((si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) == 0) { - si->flags |= CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - camel_store_summary_touch((CamelStoreSummary *)imap_store->summary); - camel_store_summary_save((CamelStoreSummary *)imap_store->summary); - } - camel_store_summary_info_free((CamelStoreSummary *)imap_store->summary, si); - } - - if (imap_store->renaming) { - /* we don't need to emit a "folder_subscribed" signal - if we are in the process of renaming folders, so we - are done here... */ - return; - } - - fi = imap_build_folder_info(imap_store, folder_name); - camel_object_trigger_event (CAMEL_OBJECT (store), "folder_subscribed", fi); - camel_folder_info_free (fi); -} - -static void -unsubscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - CamelImapStore *imap_store = CAMEL_IMAP_STORE (store); - CamelImapResponse *response; - - if (!camel_disco_store_check_online (CAMEL_DISCO_STORE (store), ex)) - return; - if (!camel_imap_store_connected (imap_store, ex)) - return; - - response = camel_imap_command (imap_store, NULL, ex, - "UNSUBSCRIBE %F", folder_name); - if (!response) - return; - camel_imap_response_free (imap_store, response); - - imap_folder_effectively_unsubscribed (imap_store, folder_name, ex); -} - -#if 0 -static gboolean -folder_flags_have_changed (CamelFolder *folder) -{ - CamelMessageInfo *info; - int i, max; - - max = camel_folder_summary_count (folder->summary); - for (i = 0; i < max; i++) { - info = camel_folder_summary_index (folder->summary, i); - if (!info) - continue; - if (info->flags & CAMEL_MESSAGE_FOLDER_FLAGGED) { - return TRUE; - } - } - - return FALSE; -} -#endif - - -gboolean -camel_imap_store_connected (CamelImapStore *store, CamelException *ex) -{ - if (store->istream == NULL || !store->connected) - return camel_service_connect (CAMEL_SERVICE (store), ex); - return TRUE; -} - - -/* FIXME: please god, when will the hurting stop? Thus function is so - fucking broken it's not even funny. */ -ssize_t -camel_imap_store_readline (CamelImapStore *store, char **dest, CamelException *ex) -{ - CamelStreamBuffer *stream; - char linebuf[1024]; - GByteArray *ba; - ssize_t nread; - - g_return_val_if_fail (CAMEL_IS_IMAP_STORE (store), -1); - g_return_val_if_fail (dest, -1); - - *dest = NULL; - - /* Check for connectedness. Failed (or cancelled) operations will - * close the connection. We can't expect a read to have any - * meaning if we reconnect, so always set an exception. - */ - - if (!camel_imap_store_connected (store, ex)) { - camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_NOT_CONNECTED, - g_strerror (errno)); - return -1; - } - - stream = CAMEL_STREAM_BUFFER (store->istream); - - ba = g_byte_array_new (); - while ((nread = camel_stream_buffer_gets (stream, linebuf, sizeof (linebuf))) > 0) { - g_byte_array_append (ba, linebuf, nread); - if (linebuf[nread - 1] == '\n') - break; - } - - if (nread <= 0) { - if (errno == EINTR) - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, _("Operation cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Server unexpectedly disconnected: %s"), - g_strerror (errno)); - - camel_service_disconnect (CAMEL_SERVICE (store), FALSE, NULL); - g_byte_array_free (ba, TRUE); - return -1; - } - - if (camel_verbose_debug) { - fprintf (stderr, "received: "); - fwrite (ba->data, 1, ba->len, stderr); - } - - /* camel-imap-command.c:imap_read_untagged expects the CRLFs - to be stripped off and be nul-terminated *sigh* */ - nread = ba->len - 1; - ba->data[nread] = '\0'; - if (ba->data[nread - 1] == '\r') { - ba->data[nread - 1] = '\0'; - nread--; - } - - *dest = ba->data; - g_byte_array_free (ba, FALSE); - - return nread; -} |