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-rw-r--r--camel/providers/pop3/camel-pop3-store.c681
1 files changed, 0 insertions, 681 deletions
diff --git a/camel/providers/pop3/camel-pop3-store.c b/camel/providers/pop3/camel-pop3-store.c
deleted file mode 100644
index fac9cae931..0000000000
--- a/camel/providers/pop3/camel-pop3-store.c
+++ /dev/null
@@ -1,681 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-pop3-store.c : class for a pop3 store */
-
-/*
- * Authors:
- * Dan Winship <danw@helixcode.com>
- *
- * Copyright (C) 2000 Helix Code, Inc. (www.helixcode.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * 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
- */
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "camel-operation.h"
-
-#ifdef HAVE_KRB4
-/* Specified nowhere */
-#define KPOP_PORT 1109
-
-#include <krb.h>
-/* MIT krb4 des.h #defines _. Sigh. We don't need it. */
-#undef _
-
-#ifdef NEED_KRB_SENDAUTH_PROTO
-extern int krb_sendauth(long options, int fd, KTEXT ticket, char *service,
- char *inst, char *realm, unsigned KRB4_32 checksum,
- MSG_DAT *msg_data, CREDENTIALS *cred,
- Key_schedule schedule, struct sockaddr_in *laddr,
- struct sockaddr_in *faddr, char *version);
-#endif
-#endif
-
-#include "camel-pop3-store.h"
-#include "camel-pop3-folder.h"
-#include "camel-stream-buffer.h"
-#include "camel-stream-fs.h"
-#include "camel-session.h"
-#include "camel-exception.h"
-#include "camel-url.h"
-#include "e-util/md5-utils.h"
-
-/* Specified in RFC 1939 */
-#define POP3_PORT 110
-
-static CamelRemoteStoreClass *parent_class = NULL;
-
-static void finalize (CamelObject *object);
-
-static gboolean pop3_connect (CamelService *service, CamelException *ex);
-static gboolean pop3_disconnect (CamelService *service, gboolean clean, CamelException *ex);
-static GList *query_auth_types (CamelService *service, gboolean connect, CamelException *ex);
-
-static CamelFolder *get_folder (CamelStore *store, const char *folder_name,
- guint32 flags, CamelException *ex);
-
-static int pop3_get_response (CamelPop3Store *store, char **ret, CamelException *ex);
-
-
-static void
-camel_pop3_store_class_init (CamelPop3StoreClass *camel_pop3_store_class)
-{
- CamelServiceClass *camel_service_class =
- CAMEL_SERVICE_CLASS (camel_pop3_store_class);
- CamelStoreClass *camel_store_class =
- CAMEL_STORE_CLASS (camel_pop3_store_class);
-
- parent_class = CAMEL_REMOTE_STORE_CLASS(camel_type_get_global_classfuncs
- (camel_remote_store_get_type ()));
-
- /* virtual method overload */
- camel_service_class->query_auth_types = query_auth_types;
- camel_service_class->connect = pop3_connect;
- camel_service_class->disconnect = pop3_disconnect;
-
- camel_store_class->get_folder = get_folder;
-}
-
-
-
-static void
-camel_pop3_store_init (gpointer object, gpointer klass)
-{
- CamelRemoteStore *remote_store = CAMEL_REMOTE_STORE (object);
-
- remote_store->default_port = 110;
-}
-
-CamelType
-camel_pop3_store_get_type (void)
-{
- static CamelType camel_pop3_store_type = CAMEL_INVALID_TYPE;
-
- if (!camel_pop3_store_type) {
- camel_pop3_store_type = camel_type_register (CAMEL_REMOTE_STORE_TYPE, "CamelPop3Store",
- sizeof (CamelPop3Store),
- sizeof (CamelPop3StoreClass),
- (CamelObjectClassInitFunc) camel_pop3_store_class_init,
- NULL,
- (CamelObjectInitFunc) camel_pop3_store_init,
- finalize);
- }
-
- return camel_pop3_store_type;
-}
-
-static void
-finalize (CamelObject *object)
-{
- CamelPop3Store *pop3_store = CAMEL_POP3_STORE (object);
-
- if (pop3_store->apop_timestamp)
- g_free (pop3_store->apop_timestamp);
-}
-
-static CamelServiceAuthType password_authtype = {
- N_("Password"),
-
- N_("This option will connect to the POP server using a plaintext "
- "password. This is the only option supported by many POP servers."),
-
- "",
- TRUE
-};
-
-static CamelServiceAuthType apop_authtype = {
- "APOP",
-
- N_("This option will connect to the POP server using an encrypted "
- "password via the APOP protocol. This may not work for all users "
- "even on servers that claim to support it."),
-
- "+APOP",
- TRUE
-};
-
-#ifdef HAVE_KRB4
-static CamelServiceAuthType kpop_authtype = {
- "Kerberos 4 (KPOP)",
-
- N_("This will connect to the POP server and use Kerberos 4 "
- "to authenticate to it."),
-
- "+KPOP",
- FALSE
-};
-#endif
-
-static gboolean
-connect_to_server (CamelService *service, /*gboolean real, */CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
- char *buf, *apoptime, *apopend;
- gint status;
-#ifdef HAVE_KRB4
- gboolean kpop = service->url->authmech &&
- !strcmp (service->url->authmech, "+KPOP");
-#endif
-
-#ifdef HAVE_KRB4
- if (kpop) {
- KTEXT_ST ticket_st;
- MSG_DAT msg_data;
- CREDENTIALS cred;
- Key_schedule schedule;
- char *hostname;
- struct hostent *h;
- int fd;
-
- /* Need to copy hostname, because krb_realmofhost will
- * call gethostbyname as well, and gethostbyname uses
- * static storage.
- */
- h = camel_service_gethost (service, ex);
- hostname = g_strdup (h->h_name);
-
- fd = CAMEL_STREAM_FS (CAMEL_REMOTE_STORE (service)->ostream)->fd;
-
- status = krb_sendauth (0, fd, &ticket_st, "pop", hostname,
- krb_realmofhost (hostname), 0,
- &msg_data, &cred, schedule,
- NULL, NULL, "KPOPV0.1");
- g_free (hostname);
- if (status != KSUCCESS) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- _("Could not authenticate to "
- "KPOP server: %s"),
- krb_err_txt[status]);
- return FALSE;
- }
-
- if (!service->url->passwd)
- service->url->passwd = g_strdup (service->url->user);
- }
-#endif /* HAVE_KRB4 */
-
- /* Read the greeting, check status */
- status = pop3_get_response (store, &buf, ex);
- if (status != CAMEL_POP3_OK)
- return FALSE;
-
- if (buf) {
- apoptime = strchr (buf, '<');
- apopend = apoptime ? strchr (apoptime, '>') : NULL;
- if (apopend) {
- store->apop_timestamp =
- g_strndup (apoptime, apopend - apoptime + 1);
- memmove (apoptime, apopend + 1, strlen (apopend + 1));
- }
- store->implementation = buf;
- }
-
- /* Check extensions */
- store->login_delay = -1;
- store->supports_top = -1;
- store->supports_uidl = -1;
- store->expires = -1;
-
- status = camel_pop3_command (store, NULL, ex, "CAPA");
- if (status == CAMEL_POP3_OK) {
- char *p;
- int len;
-
- buf = camel_pop3_command_get_additional_data (store, 0, ex);
- if (camel_exception_is_set (ex))
- return FALSE;
-
- p = buf;
- while (*p) {
- len = strcspn (p, "\n");
- if (!strncmp (p, "IMPLEMENTATION ", 15)) {
- g_free (store->implementation);
- store->implementation =
- g_strndup (p + 15, len - 15);
- } else if (len == 3 && !strncmp (p, "TOP", 3))
- store->supports_top = TRUE;
- else if (len == 4 && !strncmp (p, "UIDL", 4))
- store->supports_uidl = TRUE;
- else if (!strncmp (p, "LOGIN-DELAY ", 12))
- store->login_delay = atoi (p + 12);
- else if (!strncmp (p, "EXPIRE NEVER", 12))
- store->expires = FALSE;
- else if (!strncmp (p, "EXPIRE ", 7))
- store->expires = TRUE;
-
- p += len;
- if (*p)
- p++;
- }
-
- g_free (buf);
- }
-
- return TRUE;
-}
-
-static GList *
-query_auth_types (CamelService *service, gboolean connect, CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
- GList *types = NULL;
- gboolean passwd = TRUE, apop = TRUE;
-#ifdef HAVE_KRB4
- gboolean kpop = TRUE;
- int saved_port;
-#endif
-
- types = CAMEL_SERVICE_CLASS (parent_class)->query_auth_types (service, connect, ex);
-
- if (connect) {
- passwd = camel_service_connect (service, ex);
- /*ignore the exception here; the server may just not support passwd */
-
- /* should we check apop too? */
- apop = store->apop_timestamp != NULL;
- if (passwd)
- camel_service_disconnect (service, TRUE, ex);
- camel_exception_clear (ex);
-
-#ifdef HAVE_KRB4
- saved_port = service->url->port;
- service->url->port = KPOP_PORT;
- kpop = camel_service_connect (service, ex);
- service->url->port = saved_port;
- /*ignore the exception here; the server may just not support kpop */
-
- if (kpop)
- camel_service_disconnect (service, TRUE, ex);
- camel_exception_clear (ex);
-#endif
-
- if (passwd)
- types = g_list_append (types, &password_authtype);
- if (apop)
- types = g_list_append (types, &apop_authtype);
-#ifdef HAVE_KRB4
- if (kpop)
- types = g_list_append (types, &kpop_authtype);
-#endif
-
- if (!types) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- _("Could not connect to POP server on "
- "%s."), service->url->host);
- }
- } else {
- types = g_list_append (types, &password_authtype);
- types = g_list_append (types, &apop_authtype);
-#ifdef HAVE_KRB4
- types = g_list_append (types, &kpop_authtype);
-#endif
- }
-
- return types;
-}
-
-/**
- * camel_pop3_store_expunge:
- * @store: the store
- * @ex: a CamelException
- *
- * Expunge messages from the store. This will result in the connection
- * being closed, which may cause later commands to fail if they can't
- * reconnect.
- **/
-void
-camel_pop3_store_expunge (CamelPop3Store *store, CamelException *ex)
-{
- camel_pop3_command (store, NULL, ex, "QUIT");
- camel_service_disconnect (CAMEL_SERVICE (store), FALSE, ex);
-}
-
-
-static gboolean
-pop3_try_authenticate (CamelService *service, gboolean kpop,
- const char *errmsg, CamelException *ex)
-{
- CamelPop3Store *store = (CamelPop3Store *)service;
- int status;
- char *msg;
-
- /* The KPOP code will have set the password to be the username
- * in connect_to_server. Password and APOP are the only other
- * cases, and they both need a password. So if there's no
- * password stored, query for it.
- */
- if (!service->url->passwd) {
- char *prompt;
-
- prompt = g_strdup_printf (_("%sPlease enter the POP3 password "
- "for %s@%s"), errmsg ? errmsg : "",
- service->url->user,
- service->url->host);
- service->url->passwd = camel_session_query_authenticator (
- camel_service_get_session (service),
- CAMEL_AUTHENTICATOR_ASK, prompt, TRUE,
- service, "password", ex);
- g_free (prompt);
- if (!service->url->passwd)
- return FALSE;
- }
-
- if (!service->url->authmech || kpop) {
- status = camel_pop3_command (store, &msg, ex, "USER %s",
- service->url->user);
- switch (status) {
- case CAMEL_POP3_ERR:
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Unable to connect to POP "
- "server.\nError sending "
- "username: %s"),
- msg ? msg : _("(Unknown)"));
- g_free (msg);
- /*fallll*/
- case CAMEL_POP3_FAIL:
- return FALSE;
- }
- g_free (msg);
-
- status = camel_pop3_command (store, &msg, ex, "PASS %s",
- service->url->passwd);
- } else if (!strcmp (service->url->authmech, "+APOP")
- && store->apop_timestamp) {
- char *secret, md5asc[33], *d;
- unsigned char md5sum[16], *s;
-
- secret = g_strdup_printf ("%s%s", store->apop_timestamp,
- service->url->passwd);
- md5_get_digest (secret, strlen (secret), md5sum);
- g_free (secret);
-
- for (s = md5sum, d = md5asc; d < md5asc + 32; s++, d += 2)
- sprintf (d, "%.2x", *s);
-
- status = camel_pop3_command (store, &msg, ex, "APOP %s %s",
- service->url->user, md5asc);
- } else {
- camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Unable to connect to POP server.\n"
- "No support for requested "
- "authentication mechanism."));
- return FALSE;
- }
-
- if (status == CAMEL_POP3_ERR) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Unable to connect to POP server.\n"
- "Error sending password: %s"),
- msg ? msg : _("(Unknown)"));
- }
-
- g_free (msg);
- return status == CAMEL_POP3_ERR;
-}
-
-static gboolean
-pop3_connect (CamelService *service, CamelException *ex)
-{
- char *errbuf = NULL;
- gboolean tryagain, kpop = FALSE;
- gboolean res;
-
-#ifdef HAVE_KRB4
- gboolean set_port = FALSE;
-
- kpop = (service->url->authmech &&
- !strcmp (service->url->authmech, "+KPOP"));
-
- if (kpop && service->url->port == 0) {
- set_port = TRUE;
- service->url->port = KPOP_PORT;
- }
-#endif
-
- res = CAMEL_SERVICE_CLASS (parent_class)->connect (service, ex);
-
-#ifdef HAVE_KRB4
- /* This is veeery nasty. When we set the port, we're changing the
- * hash value of our URL. service_cache_remove() gets called when
- * we're done checking the mail, but the hash table lookup fails
- * because the url port has changed. Then, a finalized instance of
- * the CamelService is stuck in the hash table, and the next time
- * we try to look up the service, with a URL of port 0, we look
- * up the freed service and a segfault results.
- */
-
- if (kpop && set_port)
- service->url->port = 0;
-#endif
-
- if (res == FALSE)
- return FALSE;
-
- /*FIXME integrate these functions */
- if (!connect_to_server (service, ex))
- return FALSE;
-
- camel_exception_clear (ex);
- do {
- if (camel_exception_is_set (ex)) {
- errbuf = g_strdup_printf (
- "%s\n\n",
- camel_exception_get_description (ex));
- camel_exception_clear (ex);
-
- /* Uncache the password before prompting again. */
- camel_session_query_authenticator (
- camel_service_get_session (service),
- CAMEL_AUTHENTICATOR_TELL, NULL, TRUE, service,
- "password", ex);
- g_free (service->url->passwd);
- service->url->passwd = NULL;
- }
-
- tryagain = pop3_try_authenticate (service, kpop, errbuf, ex);
- g_free (errbuf);
- } while (tryagain);
-
- if (camel_exception_is_set (ex)) {
- camel_service_disconnect (service, TRUE, ex);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static gboolean
-pop3_disconnect (CamelService *service, gboolean clean, CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
-
- if (clean)
- camel_pop3_command (store, NULL, ex, "QUIT");
-
- if (!CAMEL_SERVICE_CLASS (parent_class)->disconnect (service, clean, ex))
- return FALSE;
-
- return TRUE;
-}
-
-static CamelFolder *
-get_folder (CamelStore *store, const char *folder_name,
- guint32 flags, CamelException *ex)
-{
- if (g_strcasecmp (folder_name, "inbox") != 0) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID,
- _("No such folder `%s'."), folder_name);
- return NULL;
- }
- return camel_pop3_folder_new (store, ex);
-}
-
-
-/**
- * camel_pop3_command: Send a command to a POP3 server.
- * @store: the POP3 store
- * @ret: a pointer to return the full server response in
- * @fmt: a printf-style format string, followed by arguments
- *
- * This command sends the command specified by @fmt and the following
- * arguments to the connected POP3 store specified by @store. It then
- * reads the server's response and parses out the status code. If
- * the caller passed a non-NULL pointer for @ret, camel_pop3_command
- * will set it to point to an buffer containing the rest of the
- * response from the POP3 server. (If @ret was passed but there was
- * no extended response, @ret will be set to NULL.) The caller must
- * free this buffer when it is done with it.
- *
- * Return value: one of CAMEL_POP3_OK (command executed successfully),
- * CAMEL_POP3_ERR (command encounted an error), or CAMEL_POP3_FAIL
- * (a protocol-level error occurred, and Camel is uncertain of the
- * result of the command.)
- **/
-int
-camel_pop3_command (CamelPop3Store *store, char **ret, CamelException *ex, char *fmt, ...)
-{
- char *cmdbuf;
- va_list ap;
-
- va_start (ap, fmt);
- cmdbuf = g_strdup_vprintf (fmt, ap);
- va_end (ap);
-
- /* Send the command */
- if (camel_remote_store_send_string (CAMEL_REMOTE_STORE (store), ex, "%s\r\n", cmdbuf) < 0) {
- g_free (cmdbuf);
- if (ret)
- *ret = NULL;
- return CAMEL_POP3_FAIL;
- }
- g_free (cmdbuf);
-
- return pop3_get_response (store, ret, ex);
-}
-
-static int
-pop3_get_response (CamelPop3Store *store, char **ret, CamelException *ex)
-{
- char *respbuf;
- int status;
-
- if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (store), &respbuf, ex) < 0) {
- if (ret)
- *ret = NULL;
- return CAMEL_POP3_FAIL;
- }
-
- if (!strncmp (respbuf, "+OK", 3))
- status = CAMEL_POP3_OK;
- else if (!strncmp (respbuf, "-ERR", 4))
- status = CAMEL_POP3_ERR;
- else
- status = CAMEL_POP3_FAIL;
-
- if (ret) {
- if (status != CAMEL_POP3_FAIL) {
- *ret = strchr (respbuf, ' ');
- if (*ret)
- *ret = g_strdup (*ret + 1);
- } else
- *ret = NULL;
- }
- g_free (respbuf);
-
- return status;
-}
-
-/**
- * camel_pop3_command_get_additional_data: get "additional data" from
- * a POP3 command.
- * @store: the POP3 store
- * @total: Total bytes expected (for progress reporting), use 0 for 'unknown'.
- *
- * This command gets the additional data returned by "multi-line" POP
- * commands, such as LIST, RETR, TOP, and UIDL. This command _must_
- * be called after a successful (CAMEL_POP3_OK) call to
- * camel_pop3_command for a command that has a multi-line response.
- * The returned data is un-byte-stuffed, and has lines termined by
- * newlines rather than CR/LF pairs.
- *
- * Return value: the data, which the caller must free.
- **/
-char *
-camel_pop3_command_get_additional_data (CamelPop3Store *store, int total, CamelException *ex)
-{
- GPtrArray *data;
- char *buf, *p;
- int i, len = 0, status = CAMEL_POP3_OK;
- int pc = 0;
-
- data = g_ptr_array_new ();
- while (1) {
- if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (store), &buf, ex) < 0) {
- status = CAMEL_POP3_FAIL;
- break;
- }
-
- if (!strcmp (buf, "."))
- break;
-
- g_ptr_array_add (data, buf);
- len += strlen (buf) + 1;
-
- if (total) {
- pc = (len+1) * 100 / total;
- camel_operation_progress(NULL, pc);
- } else {
- camel_operation_progress_count(NULL, len);
- }
- }
-
- if (buf)
- g_free (buf);
-
- if (status == CAMEL_POP3_OK) {
- buf = g_malloc0 (len + 1);
-
- for (i = 0, p = buf; i < data->len; i++) {
- char *ptr, *datap;
-
- datap = (char *) data->pdata[i];
- ptr = (*datap == '.') ? datap + 1 : datap;
- len = strlen (ptr);
- memcpy (p, ptr, len);
- p += len;
- *p++ = '\n';
- }
- *p = '\0';
- } else
- buf = NULL;
-
- for (i = 0; i < data->len; i++)
- g_free (data->pdata[i]);
- g_ptr_array_free (data, TRUE);
-
- return buf;
-}
-
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