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-rw-r--r--camel/providers/pop3/camel-pop3-store.c742
1 files changed, 0 insertions, 742 deletions
diff --git a/camel/providers/pop3/camel-pop3-store.c b/camel/providers/pop3/camel-pop3-store.c
deleted file mode 100644
index e1f2f5f59b..0000000000
--- a/camel/providers/pop3/camel-pop3-store.c
+++ /dev/null
@@ -1,742 +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-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 "md5-utils.h"
-
-/* Specified in RFC 1939 */
-#define POP3_PORT 110
-
-#ifdef HAVE_KRB4
-/* Specified nowhere */
-#define KPOP_PORT 1109
-
-#include <krb.h>
-#endif
-
-static CamelServiceClass *service_class = NULL;
-
-static void finalize (GtkObject *object);
-
-static gboolean pop3_connect (CamelService *service, CamelException *ex);
-static gboolean pop3_disconnect (CamelService *service, CamelException *ex);
-static GList *query_auth_types (CamelService *service, CamelException *ex);
-static void free_auth_types (CamelService *service, GList *authtypes);
-static char *get_name (CamelService *service, gboolean brief);
-
-static CamelFolder *get_folder (CamelStore *store, const char *folder_name,
- gboolean create, CamelException *ex);
-static char *get_folder_name (CamelStore *store, const char *folder_name,
- CamelException *ex);
-static char *get_root_folder_name (CamelStore *store, CamelException *ex);
-
-static int pop3_get_response (CamelPop3Store *store, char **ret);
-
-
-static void
-camel_pop3_store_class_init (CamelPop3StoreClass *camel_pop3_store_class)
-{
- GtkObjectClass *object_class =
- GTK_OBJECT_CLASS (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);
-
- service_class = gtk_type_class (camel_service_get_type ());
-
- /* virtual method overload */
- object_class->finalize = finalize;
-
- camel_service_class->connect = pop3_connect;
- camel_service_class->disconnect = pop3_disconnect;
- camel_service_class->query_auth_types = query_auth_types;
- camel_service_class->free_auth_types = free_auth_types;
- camel_service_class->get_name = get_name;
-
- camel_store_class->get_folder = get_folder;
- camel_store_class->get_folder_name = get_folder_name;
- camel_store_class->get_root_folder_name = get_root_folder_name;
-}
-
-
-
-static void
-camel_pop3_store_init (gpointer object, gpointer klass)
-{
- CamelService *service = CAMEL_SERVICE (object);
-
- service->url_flags = (CAMEL_SERVICE_URL_NEED_USER | CAMEL_SERVICE_URL_NEED_HOST);
-}
-
-GtkType
-camel_pop3_store_get_type (void)
-{
- static GtkType camel_pop3_store_type = 0;
-
- if (!camel_pop3_store_type) {
- GtkTypeInfo camel_pop3_store_info =
- {
- "CamelPop3Store",
- sizeof (CamelPop3Store),
- sizeof (CamelPop3StoreClass),
- (GtkClassInitFunc) camel_pop3_store_class_init,
- (GtkObjectInitFunc) camel_pop3_store_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- camel_pop3_store_type = gtk_type_unique (CAMEL_STORE_TYPE, &camel_pop3_store_info);
- }
-
- return camel_pop3_store_type;
-}
-
-static void
-finalize (GtkObject *object)
-{
- CamelPop3Store *pop3_store = CAMEL_POP3_STORE (object);
- CamelException ex;
-
- camel_exception_init (&ex);
- pop3_disconnect (CAMEL_SERVICE (object), &ex);
- camel_exception_clear (&ex);
-
- if (pop3_store->apop_timestamp)
- g_free (pop3_store->apop_timestamp);
-}
-
-static CamelServiceAuthType password_authtype = {
- "Password",
-
- "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",
-
- "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)",
-
- "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);
- struct hostent *h;
- struct sockaddr_in sin;
- int fd, status;
- char *buf, *apoptime, *apopend;
-#ifdef HAVE_KRB4
- gboolean kpop = (service->url->port == KPOP_PORT);
-#endif
-
- h = camel_service_gethost (service, ex);
- if (!h)
- return FALSE;
-
- sin.sin_family = h->h_addrtype;
- if (service->url->port)
- sin.sin_port = htons (service->url->port);
- else
- sin.sin_port = htons (POP3_PORT);
- memcpy (&sin.sin_addr, h->h_addr, sizeof (sin.sin_addr));
-
- fd = socket (h->h_addrtype, SOCK_STREAM, 0);
- if (fd == -1 ||
- connect (fd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
- if (real) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- "Could not connect to %s: %s",
- h->h_name, g_strerror(errno));
- }
- if (fd > -1)
- close (fd);
- return FALSE;
- }
-
-#ifdef HAVE_KRB4
- if (kpop) {
- KTEXT_ST ticket_st;
- MSG_DAT msg_data;
- CREDENTIALS cred;
- Key_schedule schedule;
- char *hostname;
-
- /* Need to copy hostname, because krb_realmofhost will
- * call gethostbyname as well, and gethostbyname uses
- * static storage.
- */
- hostname = g_strdup (h->h_name);
- 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) {
- if (real) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- "Could not authenticate "
- "to KPOP server: %s",
- krb_err_txt[status]);
- }
- close (fd);
- return FALSE;
- }
-
- if (!service->url->passwd)
- service->url->passwd = g_strdup (service->url->user);
- }
-#endif /* HAVE_KRB4 */
-
- store->ostream = camel_stream_fs_new_with_fd (fd);
- store->istream = camel_stream_buffer_new (store->ostream,
- CAMEL_STREAM_BUFFER_READ);
-
- /* Read the greeting, check status */
- status = pop3_get_response (store, &buf);
- if (status != CAMEL_POP3_OK) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- "%s: %s", status == CAMEL_POP3_ERR ?
- "Error connecting to POP server" :
- "Error reading greeting from POP server",
- buf);
- g_free (buf);
- pop3_disconnect (service, ex);
- return FALSE;
- }
-
- 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, "CAPA");
- if (status == CAMEL_POP3_OK) {
- char *p;
- int len;
-
- buf = camel_pop3_command_get_additional_data (store, ex);
- if (camel_exception_is_set (ex)) {
- pop3_disconnect (service, 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, CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
- GList *ret = NULL;
- gboolean passwd = TRUE, apop = TRUE;
-#ifdef HAVE_KRB4
- gboolean kpop = TRUE;
- int saved_port;
-#endif
-
- if (service->url && !service->url->empty) {
- passwd = connect_to_server (service, FALSE, ex);
- if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE)
- return NULL;
- apop = store->apop_timestamp != NULL;
- if (passwd)
- pop3_disconnect (service, ex);
-#ifdef HAVE_KRB4
- saved_port = service->url->port;
- service->url->port = KPOP_PORT;
- kpop = connect_to_server (service, FALSE, ex);
- service->url->port = saved_port;
- if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE)
- return NULL;
- if (kpop)
- pop3_disconnect (service, ex);
-#endif
- }
-
- if (passwd)
- ret = g_list_append (ret, &password_authtype);
- if (apop)
- ret = g_list_append (ret, &apop_authtype);
-#ifdef HAVE_KRB4
- if (kpop)
- ret = g_list_append (ret, &kpop_authtype);
-#endif
-
- if (!ret) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
- "Could not connect to POP server on "
- "%s.", service->url->host);
- }
-
- return ret;
-}
-
-static void
-free_auth_types (CamelService *service, GList *authtypes)
-{
- g_list_free (authtypes);
-}
-
-static char *
-get_name (CamelService *service, gboolean brief)
-{
- if (brief)
- return g_strdup_printf ("POP server %s", service->url->host);
- else {
- return g_strdup_printf ("POP service for %s on %s",
- service->url->user,
- service->url->host);
- }
-}
-
-
-/**
- * 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, "QUIT");
- pop3_disconnect (CAMEL_SERVICE (store), ex);
-}
-
-static gboolean
-pop3_connect (CamelService *service, CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
- int status;
- char *msg, *errbuf = NULL;
- gboolean authenticated = FALSE;
- gboolean auth_supported = TRUE;
- gboolean kpop = FALSE;
-
-#ifdef HAVE_KRB4
- kpop = (service->url->authmech &&
- !strcmp (service->url->authmech, "+KPOP"));
-
- if (kpop && service->url->port == 0)
- service->url->port = KPOP_PORT;
-#endif
-
- if (!connect_to_server (service, TRUE, ex))
- return FALSE;
-
- while (auth_supported && !authenticated) {
- if (errbuf) {
- /* We need to un-cache 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;
- }
-
- /* 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.
- */
- if (!service->url->passwd) {
- char *prompt;
-
- prompt = g_strdup_printf ("%sPlease enter the POP3 password for %s@%s",
- errbuf ? errbuf : "",
- service->url->user,
- service->url->host);
- g_free (errbuf);
- errbuf = NULL;
- 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) {
- pop3_disconnect (service, ex);
- return FALSE;
- }
- }
-
- if (!service->url->authmech || kpop) {
- status = camel_pop3_command (store, &msg, "USER %s", service->url->user);
- if (status != CAMEL_POP3_OK) {
- if (kpop)
- goto lose;
-
- errbuf = g_strdup_printf ("Unable to connect to POP server.\n"
- "Error sending username: %s\n\n",
- msg ? msg : "(Unknown)");
-
- g_free (msg);
- continue;
- }
- g_free (msg);
-
- status = camel_pop3_command (store, &msg, "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, "APOP %s %s", service->url->user, md5asc);
- } else {
- camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- "No support for requested authentication mechanism.");
-
- auth_supported = FALSE;
- goto lose;
- }
-
- if (status != CAMEL_POP3_OK) {
- errbuf = g_strdup_printf ("Unable to connect to POP server.\n"
- "Error sending password: %s\n\n",
- msg ? msg : "(Unknown)");
-
- g_free (msg);
- continue;
- }
-
- g_free (msg);
- authenticated = TRUE;
- }
-
- g_free (errbuf);
-
- service_class->connect (service, ex);
- return TRUE;
-
- lose:
- /* Uncache the password. */
- camel_session_query_authenticator (camel_service_get_session (service),
- CAMEL_AUTHENTICATOR_TELL, NULL,
- TRUE, service, "password", ex);
-
- if (auth_supported && !authenticated) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- "Unable to authenticate to POP server: %s",
- msg ? msg : "(Unknown)");
- }
-
- g_free (errbuf);
-
- pop3_disconnect (service, ex);
- return FALSE;
-}
-
-static gboolean
-pop3_disconnect (CamelService *service, CamelException *ex)
-{
- CamelPop3Store *store = CAMEL_POP3_STORE (service);
-
- if (!service_class->disconnect (service, ex))
- return FALSE;
-
- if (store->ostream) {
- gtk_object_unref (GTK_OBJECT (store->ostream));
- store->ostream = NULL;
- }
- if (store->istream) {
- gtk_object_unref (GTK_OBJECT (store->istream));
- store->istream = NULL;
- }
-
- if (store->apop_timestamp) {
- g_free (store->apop_timestamp);
- store->apop_timestamp = NULL;
- }
-
- return TRUE;
-}
-
-static CamelFolder *
-get_folder (CamelStore *store, const char *folder_name,
- gboolean create, CamelException *ex)
-{
- CamelService *service = CAMEL_SERVICE (store);
-
- if (!camel_service_is_connected (service)) {
- if (!camel_service_connect (service, ex))
- return NULL;
- }
- return camel_pop3_folder_new (store, ex);
-}
-
-static char *
-get_folder_name (CamelStore *store, const char *folder_name,
- CamelException *ex)
-{
- if (!g_strcasecmp (folder_name, "inbox"))
- return g_strdup ("inbox");
- else {
- camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID,
- "No such folder `%s'.", folder_name);
- return NULL;
- }
-}
-
-static char *
-get_root_folder_name (CamelStore *store, CamelException *ex)
-{
- return g_strdup ("inbox");
-}
-
-
-/**
- * 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, char *fmt, ...)
-{
- char *cmdbuf;
- va_list ap;
-
- if (!store->ostream) {
- CamelException ex;
-
- camel_exception_init (&ex);
- if (!camel_service_connect (CAMEL_SERVICE (store), &ex)) {
- if (ret)
- *ret = g_strdup (camel_exception_get_description (&ex));
- camel_exception_clear (&ex);
- return CAMEL_POP3_FAIL;
- }
- }
-
- va_start (ap, fmt);
- cmdbuf = g_strdup_vprintf (fmt, ap);
- va_end (ap);
-
- /* Send the command */
- if (camel_stream_printf (store->ostream, "%s\r\n", cmdbuf) == -1) {
- g_free (cmdbuf);
- if (*ret)
- *ret = g_strdup(strerror(errno));
- return CAMEL_POP3_FAIL;
- }
- g_free (cmdbuf);
-
- return pop3_get_response (store, ret);
-}
-
-static int
-pop3_get_response (CamelPop3Store *store, char **ret)
-{
- char *respbuf;
- int status;
-
- respbuf = camel_stream_buffer_read_line (
- CAMEL_STREAM_BUFFER (store->istream));
- if (respbuf == NULL) {
- if (ret)
- *ret = g_strdup(strerror(errno));
- 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
- *
- * 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, CamelException *ex)
-{
- CamelStreamBuffer *stream = CAMEL_STREAM_BUFFER (store->istream);
- GPtrArray *data;
- char *buf, *p;
- int i, len = 0, status = CAMEL_POP3_OK;
-
- data = g_ptr_array_new ();
- while (1) {
- buf = camel_stream_buffer_read_line (stream);
- if (!buf) {
- status = CAMEL_POP3_FAIL;
- break;
- }
-
- if (!strcmp (buf, "."))
- break;
-
- g_ptr_array_add (data, buf);
- len += strlen (buf) + 1;
- }
- 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;
-}
generated by cgit (git 2.34.1) at 2024-12-29 06:47:24 +0800