+++ /dev/null
-/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */
-
-#include "submission-common.h"
-#include "str.h"
-#include "str-sanitize.h"
-#include "mail-storage.h"
-#include "imap-url.h"
-#include "imap-msgpart.h"
-#include "imap-msgpart-url.h"
-#include "imap-urlauth.h"
-#include "imap-urlauth-fetch.h"
-#include "smtp-address.h"
-#include "smtp-client.h"
-#include "smtp-client-connection.h"
-
-#include "submission-commands.h"
-
-/*
- * BURL command
- */
-
-/* FIXME: RFC 4468
- If the URL argument to BURL refers to binary data, then the submit server
- MAY refuse the command or down convert as described in Binary SMTP.
- */
-
-struct cmd_burl_context {
- struct client *client;
- struct smtp_server_cmd_ctx *cmd;
-
- struct imap_urlauth_fetch *urlauth_fetch;
- struct imap_msgpart_url *url_fetch;
-
- bool chunk_last:1;
-};
-
-static void
-cmd_burl_destroy(struct smtp_server_cmd_ctx *cmd ATTR_UNUSED,
- struct cmd_burl_context *burl_cmd)
-{
- if (burl_cmd->urlauth_fetch != NULL)
- imap_urlauth_fetch_deinit(&burl_cmd->urlauth_fetch);
- if (burl_cmd->url_fetch != NULL)
- imap_msgpart_url_free(&burl_cmd->url_fetch);
-}
-
-static int
-cmd_burl_fetch_cb(struct imap_urlauth_fetch_reply *reply,
- bool last, void *context)
-{
- struct cmd_burl_context *burl_cmd = context;
- struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
- int ret;
-
- i_assert(last);
-
- if (reply == NULL) {
- /* fatal failure */
- // FIXME: make this an internal error
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URLAUTH resolution failed");
- return -1;
- }
- if (!reply->succeeded) {
- /* URL fetch failed */
- if (reply->error != NULL) {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URLAUTH resolution failed: %s",
- reply->error);
- } else {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URLAUTH resolution failed");
- }
- return 1;
- }
-
- /* URL fetch succeeded */
- ret = smtp_server_connection_data_chunk_add(cmd,
- reply->input, reply->size, burl_cmd->chunk_last, FALSE);
- if (ret < 0)
- return -1;
-
- /* Command is likely not yet complete at this point, so return 0 */
- return 0;
-}
-
-static int
-cmd_burl_fetch_trusted(struct cmd_burl_context *burl_cmd,
- struct imap_url *imap_url)
-{
- struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
- struct client *client = burl_cmd->client;
- const char *host_name = client->set->imap_urlauth_host;
- in_port_t host_port = client->set->imap_urlauth_port;
- struct imap_msgpart_open_result result;
- const char *error;
-
- /* validate host */
- if (imap_url->host.name == NULL ||
- (strcmp(host_name, URL_HOST_ALLOW_ANY) != 0 &&
- strcmp(imap_url->host.name, host_name) != 0)) {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URL resolution failed: "
- "Inappropriate or missing host name");
- return -1;
- }
-
- /* validate port */
- if ((imap_url->port == 0 && host_port != 143) ||
- (imap_url->port != 0 && host_port != imap_url->port)) {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URL resolution failed: "
- "Inappropriate server port");
- return -1;
- }
-
- /* retrieve URL */
- if (imap_msgpart_url_create
- (client->user, imap_url, &burl_cmd->url_fetch, &error) < 0) {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URL resolution failed: %s", error);
- return -1;
- }
- if (imap_msgpart_url_read_part(burl_cmd->url_fetch,
- &result, &error) <= 0) {
- smtp_server_reply(cmd, 554, "5.6.6",
- "IMAP URL resolution failed: %s", error);
- return -1;
- }
-
- return smtp_server_connection_data_chunk_add(cmd,
- result.input, result.size, burl_cmd->chunk_last, FALSE);
-}
-
-static int
-cmd_burl_fetch(struct cmd_burl_context *burl_cmd, const char *url,
- struct imap_url *imap_url)
-{
- struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
- struct client *client = burl_cmd->client;
-
- if (client->urlauth_ctx == NULL) {
- /* RFC5248, Section 2.4:
-
- 554 5.7.14 Trust relationship required
-
- The submission server requires a configured trust
- relationship with a third-party server in order to access
- the message content. This value replaces the prior use of
- X.7.8 for this error condition, thereby updating [RFC4468].
- */
- smtp_server_reply(cmd, 554, "5.7.14",
- "No IMAP URLAUTH access available");
- return -1;
- }
-
- /* urlauth */
- burl_cmd->urlauth_fetch =
- imap_urlauth_fetch_init(client->urlauth_ctx,
- cmd_burl_fetch_cb, burl_cmd);
- if (imap_urlauth_fetch_url_parsed(burl_cmd->urlauth_fetch,
- url, imap_url, IMAP_URLAUTH_FETCH_FLAG_BODY) == 0) {
- /* wait for URL fetch */
- return 0;
- }
- return 1;
-}
-
-void cmd_burl(struct smtp_server_cmd_ctx *cmd, const char *params)
-{
- struct smtp_server_connection *conn = cmd->conn;
- struct client *client = smtp_server_connection_get_context(conn);
- struct cmd_burl_context *burl_cmd;
- const char *const *argv;
- enum imap_url_parse_flags url_parse_flags =
- IMAP_URL_PARSE_ALLOW_URLAUTH;
- struct imap_url *imap_url;
- const char *url, *error;
- bool chunk_last = FALSE;
- int ret = 1;
-
- smtp_server_connection_data_chunk_init(cmd);
-
- /* burl-cmd = "BURL" SP absolute-URI [SP end-marker] CRLF
- end-marker = "LAST"
- */
- argv = t_strsplit(params, " ");
- url = argv[0];
- if (url == NULL) {
- smtp_server_reply(cmd, 501, "5.5.4",
- "Missing chunk URL parameter");
- ret = -1;
- } else if (imap_url_parse(url, NULL, url_parse_flags,
- &imap_url, &error) < 0) {
- smtp_server_reply(cmd, 501, "5.5.4",
- "Invalid chunk URL: %s", error);
- ret = -1;
- } else if (argv[1] != NULL) {
- if (strcasecmp(argv[1], "LAST") != 0) {
- smtp_server_reply(cmd, 501, "5.5.4",
- "Invalid end marker parameter");
- ret = -1;
- } else if (argv[2] != NULL) {
- smtp_server_reply(cmd, 501, "5.5.4",
- "Invalid parameters");
- ret = -1;
- } else {
- chunk_last = TRUE;
- }
- }
-
- if (ret < 0 || !smtp_server_connection_data_check_state(cmd))
- return;
-
- burl_cmd = p_new(cmd->pool, struct cmd_burl_context, 1);
- burl_cmd->client = client;
- burl_cmd->cmd = cmd;
- burl_cmd->chunk_last = chunk_last;
-
- smtp_server_command_add_hook(cmd->cmd, SMTP_SERVER_COMMAND_HOOK_DESTROY,
- cmd_burl_destroy, burl_cmd);
-
- if (imap_url->uauth_rumpurl == NULL) {
- /* direct local url */
- ret = cmd_burl_fetch_trusted(burl_cmd, imap_url);
- } else {
- ret = cmd_burl_fetch(burl_cmd, url, imap_url);
- }
-
- if (ret == 0 && chunk_last)
- smtp_server_command_input_lock(cmd);
-}
#include "istream-concat.h"
#include "istream-seekable.h"
#include "mail-storage.h"
+#include "imap-url.h"
+#include "imap-msgpart.h"
+#include "imap-msgpart-url.h"
+#include "imap-urlauth.h"
+#include "imap-urlauth-fetch.h"
#include "smtp-client.h"
#include "smtp-client-connection.h"
return 0;
}
+/*
+ * BURL command
+ */
+
+/* FIXME: RFC 4468
+ If the URL argument to BURL refers to binary data, then the submit server
+ MAY refuse the command or down convert as described in Binary SMTP.
+ */
+
+struct cmd_burl_context {
+ struct client *client;
+ struct smtp_server_cmd_ctx *cmd;
+
+ struct imap_urlauth_fetch *urlauth_fetch;
+ struct imap_msgpart_url *url_fetch;
+
+ bool chunk_last:1;
+};
+
+static void
+cmd_burl_destroy(struct smtp_server_cmd_ctx *cmd ATTR_UNUSED,
+ struct cmd_burl_context *burl_cmd)
+{
+ if (burl_cmd->urlauth_fetch != NULL)
+ imap_urlauth_fetch_deinit(&burl_cmd->urlauth_fetch);
+ if (burl_cmd->url_fetch != NULL)
+ imap_msgpart_url_free(&burl_cmd->url_fetch);
+}
+
+static int
+cmd_burl_fetch_cb(struct imap_urlauth_fetch_reply *reply,
+ bool last, void *context)
+{
+ struct cmd_burl_context *burl_cmd = context;
+ struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
+ int ret;
+
+ i_assert(last);
+
+ if (reply == NULL) {
+ /* fatal failure */
+ // FIXME: make this an internal error
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URLAUTH resolution failed");
+ return -1;
+ }
+ if (!reply->succeeded) {
+ /* URL fetch failed */
+ if (reply->error != NULL) {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URLAUTH resolution failed: %s",
+ reply->error);
+ } else {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URLAUTH resolution failed");
+ }
+ return 1;
+ }
+
+ /* URL fetch succeeded */
+ ret = smtp_server_connection_data_chunk_add(cmd,
+ reply->input, reply->size, burl_cmd->chunk_last, FALSE);
+ if (ret < 0)
+ return -1;
+
+ /* Command is likely not yet complete at this point, so return 0 */
+ return 0;
+}
+
+static int
+cmd_burl_fetch_trusted(struct cmd_burl_context *burl_cmd,
+ struct imap_url *imap_url)
+{
+ struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
+ struct client *client = burl_cmd->client;
+ const char *host_name = client->set->imap_urlauth_host;
+ in_port_t host_port = client->set->imap_urlauth_port;
+ struct imap_msgpart_open_result result;
+ const char *error;
+
+ /* validate host */
+ if (imap_url->host.name == NULL ||
+ (strcmp(host_name, URL_HOST_ALLOW_ANY) != 0 &&
+ strcmp(imap_url->host.name, host_name) != 0)) {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URL resolution failed: "
+ "Inappropriate or missing host name");
+ return -1;
+ }
+
+ /* validate port */
+ if ((imap_url->port == 0 && host_port != 143) ||
+ (imap_url->port != 0 && host_port != imap_url->port)) {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URL resolution failed: "
+ "Inappropriate server port");
+ return -1;
+ }
+
+ /* retrieve URL */
+ if (imap_msgpart_url_create
+ (client->user, imap_url, &burl_cmd->url_fetch, &error) < 0) {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URL resolution failed: %s", error);
+ return -1;
+ }
+ if (imap_msgpart_url_read_part(burl_cmd->url_fetch,
+ &result, &error) <= 0) {
+ smtp_server_reply(cmd, 554, "5.6.6",
+ "IMAP URL resolution failed: %s", error);
+ return -1;
+ }
+
+ return smtp_server_connection_data_chunk_add(cmd,
+ result.input, result.size, burl_cmd->chunk_last, FALSE);
+}
+
+static int
+cmd_burl_fetch(struct cmd_burl_context *burl_cmd, const char *url,
+ struct imap_url *imap_url)
+{
+ struct smtp_server_cmd_ctx *cmd = burl_cmd->cmd;
+ struct client *client = burl_cmd->client;
+
+ if (client->urlauth_ctx == NULL) {
+ /* RFC5248, Section 2.4:
+
+ 554 5.7.14 Trust relationship required
+
+ The submission server requires a configured trust
+ relationship with a third-party server in order to access
+ the message content. This value replaces the prior use of
+ X.7.8 for this error condition, thereby updating [RFC4468].
+ */
+ smtp_server_reply(cmd, 554, "5.7.14",
+ "No IMAP URLAUTH access available");
+ return -1;
+ }
+
+ /* urlauth */
+ burl_cmd->urlauth_fetch =
+ imap_urlauth_fetch_init(client->urlauth_ctx,
+ cmd_burl_fetch_cb, burl_cmd);
+ if (imap_urlauth_fetch_url_parsed(burl_cmd->urlauth_fetch,
+ url, imap_url, IMAP_URLAUTH_FETCH_FLAG_BODY) == 0) {
+ /* wait for URL fetch */
+ return 0;
+ }
+ return 1;
+}
+
+void cmd_burl(struct smtp_server_cmd_ctx *cmd, const char *params)
+{
+ struct smtp_server_connection *conn = cmd->conn;
+ struct client *client = smtp_server_connection_get_context(conn);
+ struct cmd_burl_context *burl_cmd;
+ const char *const *argv;
+ enum imap_url_parse_flags url_parse_flags =
+ IMAP_URL_PARSE_ALLOW_URLAUTH;
+ struct imap_url *imap_url;
+ const char *url, *error;
+ bool chunk_last = FALSE;
+ int ret = 1;
+
+ smtp_server_connection_data_chunk_init(cmd);
+
+ /* burl-cmd = "BURL" SP absolute-URI [SP end-marker] CRLF
+ end-marker = "LAST"
+ */
+ argv = t_strsplit(params, " ");
+ url = argv[0];
+ if (url == NULL) {
+ smtp_server_reply(cmd, 501, "5.5.4",
+ "Missing chunk URL parameter");
+ ret = -1;
+ } else if (imap_url_parse(url, NULL, url_parse_flags,
+ &imap_url, &error) < 0) {
+ smtp_server_reply(cmd, 501, "5.5.4",
+ "Invalid chunk URL: %s", error);
+ ret = -1;
+ } else if (argv[1] != NULL) {
+ if (strcasecmp(argv[1], "LAST") != 0) {
+ smtp_server_reply(cmd, 501, "5.5.4",
+ "Invalid end marker parameter");
+ ret = -1;
+ } else if (argv[2] != NULL) {
+ smtp_server_reply(cmd, 501, "5.5.4",
+ "Invalid parameters");
+ ret = -1;
+ } else {
+ chunk_last = TRUE;
+ }
+ }
+
+ if (ret < 0 || !smtp_server_connection_data_check_state(cmd))
+ return;
+
+ burl_cmd = p_new(cmd->pool, struct cmd_burl_context, 1);
+ burl_cmd->client = client;
+ burl_cmd->cmd = cmd;
+ burl_cmd->chunk_last = chunk_last;
+
+ smtp_server_command_add_hook(cmd->cmd, SMTP_SERVER_COMMAND_HOOK_DESTROY,
+ cmd_burl_destroy, burl_cmd);
+
+ if (imap_url->uauth_rumpurl == NULL) {
+ /* direct local url */
+ ret = cmd_burl_fetch_trusted(burl_cmd, imap_url);
+ } else {
+ ret = cmd_burl_fetch(burl_cmd, url, imap_url);
+ }
+
+ if (ret == 0 && chunk_last)
+ smtp_server_command_input_lock(cmd);
+}
projects / thirdparty / dovecot / core.git / commitdiff
