315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "lib.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "ioloop.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "array.h"

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen#include "str.h"

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen#include "strescape.h"

419be6cd72f6e11705576bbba683b29c32eaa762Timo Sirainen#include "hostpid.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "istream.h"

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen#include "istream-concat.h"

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen#include "ostream.h"

c4390dad33b03dd51ba2a475f550347c86ebdb9aTimo Sirainen#include "istream-dot.h"

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen#include "safe-mkstemp.h"

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen#include "hex-dec.h"

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen#include "time-util.h"

18458233e89c8467e30d8b93b1823128f26bc174Timo Sirainen#include "var-expand.h"

ffaa309c211897ab875bbe0b093bc7e709bb1e5dTimo Sirainen#include "restrict-access.h"

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen#include "settings-parser.h"

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen#include "anvil-client.h"

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen#include "master-service.h"

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen#include "master-service-ssl.h"

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen#include "iostream-ssl.h"

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen#include "rfc822-parser.h"

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen#include "message-date.h"

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen#include "auth-master.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "mail-storage-service.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "index/raw/raw-storage.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "lda-settings.h"

458acd7b39c84bae0d18c36ff9ddff9a49b4ae4aTimo Sirainen#include "lmtp-settings.h"

646817f0cfb39b0e0eb545900f1566b76a851b20Timo Sirainen#include "mail-autoexpunge.h"

78a5b3e697af5db96fe0dffed600b0d6370bb8e5Timo Sirainen#include "mail-namespace.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "mail-deliver.h"

133a609acde637dd8f517903f9db978d96b7097eAki Tuomi#include "message-address.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "main.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "client.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen#include "commands.h"

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen#include "lmtp-proxy.h"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen#define ERRSTR_TEMP_MAILBOX_FAIL "451 4.3.0 <%s> Temporary internal error"

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen#define ERRSTR_TEMP_USERDB_FAIL_PREFIX "451 4.3.0 <%s> "

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen#define ERRSTR_TEMP_USERDB_FAIL \

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen ERRSTR_TEMP_USERDB_FAIL_PREFIX "Temporary user lookup failure"

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

a50f8b9c6196b0f0bb0a7aac3ae9c12b1c42b93bTimo Sirainen#define LMTP_PROXY_DEFAULT_TIMEOUT_MSECS (1000*125)

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainenint cmd_lhlo(struct client *client, const char *args)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen struct rfc822_parser_context parser;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen string_t *domain = t_str_new(128);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen const char *p;

89502bb187e8285b2a155559894ca80374ac3ae7Timo Sirainen int ret = 0;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (*args == '\0') {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen client_send_line(client, "501 Missing hostname");

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen return 0;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen /* domain / address-literal */

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen rfc822_parser_init(&parser, (const unsigned char *)args, strlen(args),

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen NULL);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (*args != '[')

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen ret = rfc822_parse_dot_atom(&parser, domain);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen else {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen for (p = args+1; *p != ']'; p++) {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (*p == '\\' || *p == '[')

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen break;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (strcmp(p, "]") != 0)

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen ret = -1;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (ret < 0) {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen str_truncate(domain, 0);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen str_append(domain, "invalid");

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_reset(client, "LHLO");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250-%s", client->my_domain);

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen if (master_service_ssl_is_enabled(master_service) &&

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen client->ssl_iostream == NULL)

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen client_send_line(client, "250-STARTTLS");

b015d3d3af5b1c0fd526f31d78229bf9f633db56Timo Sirainen if (client_is_trusted(client))

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen client_send_line(client, "250-XCLIENT ADDR PORT TTL TIMEOUT");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250-8BITMIME");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250-ENHANCEDSTATUSCODES");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250 PIPELINING");

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

fcd443a32b01c4da131f36649d5a5fa5f8452dcfTimo Sirainen i_free(client->lhlo);

fcd443a32b01c4da131f36649d5a5fa5f8452dcfTimo Sirainen client->lhlo = i_strdup(str_c(domain));

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "LHLO", "");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainenint cmd_starttls(struct client *client)

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen{

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen struct ostream *plain_output = client->output;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen const char *error;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen if (client->ssl_iostream != NULL) {

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen o_stream_nsend_str(client->output,

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen "443 5.5.1 TLS is already active.\r\n");

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen return 0;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen }

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen if (master_service_ssl_init(master_service,

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen &client->input, &client->output,

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen &client->ssl_iostream, &error) < 0) {

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen i_error("TLS initialization failed: %s", error);

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen o_stream_nsend_str(client->output,

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen "454 4.7.0 Internal error, TLS not available.\r\n");

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen return 0;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen }

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen o_stream_nsend_str(plain_output,

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen "220 2.0.0 Begin TLS negotiation now.\r\n");

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen if (ssl_iostream_handshake(client->ssl_iostream) < 0) {

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen client_destroy(client, NULL, NULL);

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen return -1;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen }

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen return 0;

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen}

4fbf59562594dbbbe037f8d4c480dbf88f3fc708Timo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainenstatic int parse_address(const char *str, const char **address_r,

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen const char **rest_r)

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen{

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen const char *start;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str++ != '<')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return -1;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen start = str;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str == '"') {

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen /* "quoted-string"@domain */

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen for (str++; *str != '"'; str++) {

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str == '\\')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen str++;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str == '\0')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return -1;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen }

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen str++;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen }

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen for (; *str != '>'; str++) {

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str == '\0' || *str == ' ')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return -1;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen }

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen *address_r = t_strdup_until(start, str);

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str++ != '>')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return -1;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (*str == ' ')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen str++;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen else if (*str != '\0')

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return -1;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen *rest_r = str;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen return 0;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen}

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainenstatic const char *

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainenparse_xtext(struct client *client, const char *value)

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen{

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen const char *p;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen string_t *str;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen unsigned int i;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen p = strchr(value, '+');

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen if (p == NULL)

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen return p_strdup(client->state_pool, value);

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen /*

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen str = t_str_new(128);

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen for (i = 0; value[i] != '\0'; i++) {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen if (value[i] == '+' && value[i+1] != '\0' && value[i+2] != '\0') {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen str_append_c(str, hex2dec((const void *)(value+i+1), 2));

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen i += 2;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen } else {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen str_append_c(str, value[i]);

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen }

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen }

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen return p_strdup(client->state_pool, str_c(str));

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen}

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainenstatic void lmtp_anvil_init(void)

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen{

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen if (anvil == NULL) {

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen const char *path = t_strdup_printf("%s/anvil", base_dir);

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen anvil = anvil_client_init(path, NULL, 0);

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen }

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen}

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_mail(struct client *client, const char *args)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen const char *addr, *const *argv;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen if (client->state.mail_from != NULL) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "503 5.5.1 MAIL already given");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (strncasecmp(args, "FROM:", 5) != 0 ||

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen parse_address(args + 5, &addr, &args) < 0) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "501 5.5.4 Invalid parameters");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen argv = t_strsplit(args, " ");

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen for (; *argv != NULL; argv++) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (strcasecmp(*argv, "BODY=7BIT") == 0)

e93ab1b206e3792a8dabc460ad2ee60aaf6830b1Timo Sirainen client->state.mail_body_7bit = TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen else if (strcasecmp(*argv, "BODY=8BITMIME") == 0)

e93ab1b206e3792a8dabc460ad2ee60aaf6830b1Timo Sirainen client->state.mail_body_8bitmime = TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen else {

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen client_send_line(client,

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen "501 5.5.4 Unsupported options");

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen return 0;

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen client->state.mail_from = p_strdup(client->state_pool, addr);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen p_array_init(&client->state.rcpt_to, client->state_pool, 64);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250 2.1.0 OK");

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "MAIL FROM", client->state.mail_from);

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen if (client->lmtp_set->lmtp_user_concurrency_limit > 0) {

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen /* connect to anvil before dropping privileges */

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen lmtp_anvil_init();

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen }

6de95f63d4590814354fa5e35e92946c58d4562eTimo Sirainen

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen client->state.mail_from_timeval = ioloop_timeval;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic bool

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainenclient_proxy_rcpt_parse_fields(struct lmtp_proxy_rcpt_settings *set,

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen const char *const *args, const char **address)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen const char *p, *key, *value;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen bool proxying = FALSE, port_set = FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen for (; *args != NULL; args++) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen p = strchr(*args, '=');

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (p == NULL) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen key = *args;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen value = "";

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen } else {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen key = t_strdup_until(*args, p);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen value = p + 1;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (strcmp(key, "proxy") == 0)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen proxying = TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen else if (strcmp(key, "host") == 0)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen set->host = value;

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen else if (strcmp(key, "hostip") == 0) {

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen if (net_addr2ip(value, &set->hostip) < 0) {

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen i_error("proxy: Invalid hostip %s", value);

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen return FALSE;

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen }

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen } else if (strcmp(key, "port") == 0) {

009217abb57a24a4076092e8e4e165545747839eStephan Bosch if (net_str2port(value, &set->port) < 0) {

009217abb57a24a4076092e8e4e165545747839eStephan Bosch i_error("proxy: Invalid port number %s", value);

009217abb57a24a4076092e8e4e165545747839eStephan Bosch return FALSE;

009217abb57a24a4076092e8e4e165545747839eStephan Bosch }

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen port_set = TRUE;

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch } else if (strcmp(key, "proxy_timeout") == 0) {

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch if (str_to_uint(value, &set->timeout_msecs) < 0) {

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch i_error("proxy: Invalid proxy_timeout value %s", value);

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch return FALSE;

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch }

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch set->timeout_msecs *= 1000;

c93aca832ee532010ead91b85fa9f614132e1be2Stephan Bosch } else if (strcmp(key, "protocol") == 0) {

accba2f170529d73097e098d0bb6c13b7b4d6abfTimo Sirainen if (strcmp(value, "lmtp") == 0) {

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen set->protocol = LMTP_CLIENT_PROTOCOL_LMTP;

dfe53c824fb6f6e3736ee2958665dd6f545724b1Wido den Hollander if (!port_set)

dfe53c824fb6f6e3736ee2958665dd6f545724b1Wido den Hollander set->port = 24;

accba2f170529d73097e098d0bb6c13b7b4d6abfTimo Sirainen } else if (strcmp(value, "smtp") == 0) {

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen set->protocol = LMTP_CLIENT_PROTOCOL_SMTP;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen if (!port_set)

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen set->port = 25;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen } else {

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen i_error("proxy: Unknown protocol %s", value);

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen return FALSE;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen }

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen } else if (strcmp(key, "user") == 0 ||

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen strcmp(key, "destuser") == 0) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen /* changing the username */

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen *address = value;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen } else {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen /* just ignore it */

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (proxying && set->host == NULL) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen i_error("proxy: host not given");

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return proxying;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic bool

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenclient_proxy_is_ourself(const struct client *client,

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen const struct lmtp_proxy_rcpt_settings *set)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct ip_addr ip;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (set->port != client->local_port)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen if (set->hostip.family != 0)

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen ip = set->hostip;

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen else {

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen if (net_addr2ip(set->host, &ip) < 0)

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen return FALSE;

31434f7b892ad056d18c859d677aa16ce19fa876Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (!net_ip_compare(&ip, &client->local_ip))

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainenstatic const char *

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Welleraddress_add_detail(const char *username, char delim_c,

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen const char *detail)

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen{

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen const char *domain;

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Weller const char delim[] = {delim_c, '\0'};

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen domain = strchr(username, '@');

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen if (domain == NULL)

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen return t_strconcat(username, delim, detail, NULL);

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen else {

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen username = t_strdup_until(username, domain);

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen return t_strconcat(username, delim, detail, domain, NULL);

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen }

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen}

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainenstatic bool client_proxy_rcpt(struct client *client, const char *address,

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Weller const char *username, const char *detail, char delim,

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen const struct lmtp_recipient_params *params)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct auth_master_connection *auth_conn;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen struct lmtp_proxy_rcpt_settings set;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct auth_user_info info;

86fafb22c02f4b85a9d59f2b60059a48286286fbTimo Sirainen struct mail_storage_service_input input;

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen const char *args, *const *fields, *errstr, *orig_username = username;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool_t pool;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen int ret;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&input);

86fafb22c02f4b85a9d59f2b60059a48286286fbTimo Sirainen input.module = input.service = "lmtp";

86fafb22c02f4b85a9d59f2b60059a48286286fbTimo Sirainen mail_storage_service_init_settings(storage_service, &input);

86fafb22c02f4b85a9d59f2b60059a48286286fbTimo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&info);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen info.service = master_service_get_name(master_service);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen info.local_ip = client->local_ip;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen info.remote_ip = client->remote_ip;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen info.local_port = client->local_port;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen info.remote_port = client->remote_port;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool = pool_alloconly_create("auth lookup", 1024);

4da8c6cdefabd31262318c32da3c13de1d9ea953Timo Sirainen auth_conn = mail_storage_service_get_auth_conn(storage_service);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen ret = auth_master_pass_lookup(auth_conn, username, &info,

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool, &fields);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (ret <= 0) {

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen errstr = ret < 0 && fields[0] != NULL ? t_strdup(fields[0]) :

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen t_strdup_printf(ERRSTR_TEMP_USERDB_FAIL, address);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool_unref(&pool);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (ret < 0) {

3b22894b8805b186c73d8b754001e8d7e944be85Timo Sirainen client_send_line(client, "%s", errstr);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen } else {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen /* user not found from passdb. try userdb also. */

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&set);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen set.port = client->local_port;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen set.protocol = LMTP_CLIENT_PROTOCOL_LMTP;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen set.timeout_msecs = LMTP_PROXY_DEFAULT_TIMEOUT_MSECS;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen set.params = *params;

eed0a07ecb946ec9d021f5b413fb33eb36e135fdTimo Sirainen

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen if (!client_proxy_rcpt_parse_fields(&set, fields, &username)) {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen /* not proxying this user */

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool_unref(&pool);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return FALSE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen if (strcmp(username, orig_username) != 0) {

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen /* username changed. change the address as well */

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen if (*detail == '\0')

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen address = username;

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen else

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Weller address = address_add_detail(username, delim, detail);

d2a2e0b6d302c17c33638a6fd48bd665a1c81e46Timo Sirainen } else if (client_proxy_is_ourself(client, &set)) {

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen i_error("Proxying to <%s> loops to itself", username);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen client_send_line(client, "554 5.4.6 <%s> "

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen "Proxying loops to itself", address);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool_unref(&pool);

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen return TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

9508ac436fff0e1dcea975855c139cd251deb703Timo Sirainen if (client->proxy_ttl <= 1) {

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen i_error("Proxying to <%s> appears to be looping (TTL=0)",

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen username);

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen client_send_line(client, "554 5.4.6 <%s> "

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen "Proxying appears to be looping (TTL=0)",

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen username);

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen pool_unref(&pool);

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen return TRUE;

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen }

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen if (array_count(&client->state.rcpt_to) != 0) {

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen client_send_line(client, "451 4.3.0 <%s> "

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen "Can't handle mixed proxy/non-proxy destinations",

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen address);

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen pool_unref(&pool);

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen return TRUE;

7aa2dd189748ed57c2fb8d8d9b7cb3c4ac2f7ea5Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (client->proxy == NULL) {

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen struct lmtp_proxy_settings proxy_set;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&proxy_set);

32efae185f1f86167b3f00ea84f8502940c6c677Timo Sirainen proxy_set.my_hostname = client->my_domain;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen proxy_set.dns_client_socket_path = dns_client_socket_path;

d163fac99c7ca5b2ce2edfa83a1b2922cf66aeacTimo Sirainen proxy_set.session_id = client->state.session_id;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen proxy_set.source_ip = client->remote_ip;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen proxy_set.source_port = client->remote_port;

ddbdc644a15f56f4b43596f1b8c0fc196c101445Timo Sirainen proxy_set.proxy_ttl = client->proxy_ttl-1;

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen

3322dfd56c9cae5015a33bab4c80124c08c3d9caTimo Sirainen client->proxy = lmtp_proxy_init(&proxy_set, client->output);

e93ab1b206e3792a8dabc460ad2ee60aaf6830b1Timo Sirainen if (client->state.mail_body_8bitmime)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen args = " BODY=8BITMIME";

e93ab1b206e3792a8dabc460ad2ee60aaf6830b1Timo Sirainen else if (client->state.mail_body_7bit)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen args = " BODY=7BIT";

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen else

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen args = "";

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen lmtp_proxy_mail_from(client->proxy, t_strdup_printf(

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen "<%s>%s", client->state.mail_from, args));

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (lmtp_proxy_add_rcpt(client->proxy, address, &set) < 0)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen client_send_line(client, ERRSTR_TEMP_REMOTE_FAILURE);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen else

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen client_send_line(client, "250 2.1.5 OK");

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen pool_unref(&pool);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return TRUE;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainenstatic const char *lmtp_unescape_address(const char *name)

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen{

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen string_t *str;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen const char *p;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (*name != '"')

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return name;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen /* quoted-string local-part. drop the quotes unless there's a

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen str = t_str_new(128);

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen for (p = name+1; *p != '"'; p++) {

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (*p == '\0')

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return name;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (*p == '\\') {

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (p[1] == '\0') {

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen /* error */

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return name;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen }

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen p++;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen }

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (*p == '@')

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return name;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen str_append_c(str, *p);

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen }

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen p++;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen if (*p != '@' && *p != '\0')

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return name;

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen str_append(str, p);

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen return str_c(str);

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen}

a338794c56fc9674121e262fcb67c3dc1da31436Timo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainenstatic void lmtp_address_translate(struct client *client, const char **address)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen{

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen const char *transpos = client->lmtp_set->lmtp_address_translate;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen const char *p, *nextstr, *addrpos = *address;

2ac5f36aa7c2e7a07ba8815d43a6d7483f62e74cTimo Sirainen size_t len;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen string_t *username, *domain, *dest = NULL;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (*transpos == '\0')

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen return;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen username = t_str_new(64);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen domain = t_str_new(64);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen /* check that string matches up to the first '%' */

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen p = strchr(transpos, '%');

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (p == NULL)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen len = strlen(transpos);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen else

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen len = p-transpos;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (strncmp(transpos, addrpos, len) != 0)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen return;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen transpos += len;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen addrpos += len;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen while (*transpos != '\0') {

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen switch (transpos[1]) {

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen case 'n':

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen case 'u':

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen dest = username;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen break;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen case 'd':

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen dest = domain;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen break;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen default:

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen return;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen }

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen transpos += 2;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen /* find where the next string starts */

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (*transpos == '\0') {

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen str_append(dest, addrpos);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen break;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen }

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen p = strchr(transpos, '%');

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (p == NULL)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen nextstr = transpos;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen else

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen nextstr = t_strdup_until(transpos, p);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen p = strstr(addrpos, nextstr);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (p == NULL)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen return;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen str_append_n(dest, addrpos, p-addrpos);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen len = strlen(nextstr);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen transpos += len;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen addrpos = p + len;

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen }

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen str_append_c(username, '@');

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen if (domain != NULL)

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen str_append_str(username, domain);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen *address = str_c(username);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen}

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainenstatic void

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainenclient_send_line_overquota(struct client *client,

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen const struct mail_recipient *rcpt, const char *error)

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen{

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen struct lda_settings *lda_set =

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen mail_storage_service_user_get_set(rcpt->service_user)[1];

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen client_send_line(client, "%s <%s> %s", lda_set->quota_full_tempfail ?

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen "452 4.2.2" : "552 5.2.2", rcpt->address, error);

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen}

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainenstatic int

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainenlmtp_rcpt_to_is_over_quota(struct client *client,

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen const struct mail_recipient *rcpt)

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen{

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen struct mail_user *user;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen struct mail_namespace *ns;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen struct mailbox *box;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen struct mailbox_status status;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen const char *errstr;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen enum mail_error error;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen int ret;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen if (!client->lmtp_set->lmtp_rcpt_check_quota)

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen return 0;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov /* mail user will be created second time when mail is saved,

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov ret = mail_storage_service_next_with_session_suffix(storage_service,

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov rcpt->service_user,

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov "quota",

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov &user, &errstr);

2092da86f3a332e8d7eae1300a3b9852fed8f2f8Sergey Kitov

61d3fd14828b68d789f3df73d1dbed56e37b7931Timo Sirainen if (ret < 0) {

61d3fd14828b68d789f3df73d1dbed56e37b7931Timo Sirainen i_error("Failed to initialize user %s: %s", rcpt->address, errstr);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen return -1;

61d3fd14828b68d789f3df73d1dbed56e37b7931Timo Sirainen }

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen ns = mail_namespace_find_inbox(user->namespaces);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen box = mailbox_alloc(ns->list, "INBOX", 0);

61cf001f1944d92eb25f113ba4c08985d6e30d53Timo Sirainen mailbox_set_reason(box, "over-quota check");

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen ret = mailbox_get_status(box, STATUS_CHECK_OVER_QUOTA, &status);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen if (ret < 0) {

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen errstr = mailbox_get_last_error(box, &error);

2ed2459dbd183bb371da4a0aecb2d2b74ae7c815Timo Sirainen if (error == MAIL_ERROR_NOQUOTA) {

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen client_send_line_overquota(client, rcpt, errstr);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen ret = 1;

8d2e45a300932ae6c49d2c9bf4b6fe7820cc25a8Martti Rannanjärvi } else {

8d2e45a300932ae6c49d2c9bf4b6fe7820cc25a8Martti Rannanjärvi i_error("mailbox_get_status(%s, STATUS_CHECK_OVER_QUOTA) "

8d2e45a300932ae6c49d2c9bf4b6fe7820cc25a8Martti Rannanjärvi "failed: %s",

8d2e45a300932ae6c49d2c9bf4b6fe7820cc25a8Martti Rannanjärvi mailbox_get_vname(box),

8d2e45a300932ae6c49d2c9bf4b6fe7820cc25a8Martti Rannanjärvi mailbox_get_last_internal_error(box, NULL));

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen }

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen }

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen mailbox_free(&box);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen mail_user_unref(&user);

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen return ret;

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen}

02e8b5f55210f413853998a0ba5832eb3f9a6dc6Timo Sirainen

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainenstatic bool cmd_rcpt_finish(struct client *client, struct mail_recipient *rcpt)

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen{

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen int ret;

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen if ((ret = lmtp_rcpt_to_is_over_quota(client, rcpt)) != 0) {

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen if (ret < 0) {

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen rcpt->address);

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen }

eb318ea05532d2e54ed3bfc89bc15dcf1adae838Timo Sirainen mail_storage_service_user_unref(&rcpt->service_user);

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen return FALSE;

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen }

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen array_append(&client->state.rcpt_to, &rcpt, 1);

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen client_send_line(client, "250 2.1.5 OK");

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen return TRUE;

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen}

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainenstatic void rcpt_anvil_lookup_callback(const char *reply, void *context)

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen{

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen struct mail_recipient *rcpt = context;

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen struct client *client = rcpt->client;

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen const struct mail_storage_service_input *input;

3edfbca796edb8f1efeb48da916e109850adfc0fTimo Sirainen unsigned int parallel_count = 0;

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen rcpt->anvil_query = NULL;

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen if (reply == NULL) {

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen /* lookup failed */

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen } else if (str_to_uint(reply, &parallel_count) < 0) {

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen i_error("Invalid reply from anvil: %s", reply);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen }

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen if (parallel_count >= client->lmtp_set->lmtp_user_concurrency_limit) {

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen client_send_line(client, ERRSTR_TEMP_USERDB_FAIL_PREFIX

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen "Too many concurrent deliveries for user",

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen rcpt->address);

eb318ea05532d2e54ed3bfc89bc15dcf1adae838Timo Sirainen mail_storage_service_user_unref(&rcpt->service_user);

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen } else if (cmd_rcpt_finish(client, rcpt)) {

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen rcpt->anvil_connect_sent = TRUE;

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen input = mail_storage_service_user_get_input(rcpt->service_user);

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen master_service_anvil_send(master_service, t_strconcat(

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen "CONNECT\t", my_pid, "\t", master_service_get_name(master_service),

553a131eddb46d97967fd9610408b7f0829eab6fTimo Sirainen "/", input->username, "\n", NULL));

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen }

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen client_io_reset(client);

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen client_input_handle(client);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen}

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_rcpt(struct client *client, const char *args)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen struct mail_recipient *rcpt;

d1fff80640050631b06bfab904a34b2ad24601e8Timo Sirainen struct mail_storage_service_input input;

f6008a666d9c3df66fd8a437369133e8519b4e24Timo Sirainen const char *params, *address, *username, *detail;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen const char *const *argv;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen const char *error = NULL;

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Weller char delim = '\0';

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen int ret = 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen if (client->state.mail_from == NULL) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "503 5.5.1 MAIL needed first");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen if (strncasecmp(args, "TO:", 3) != 0 ||

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen parse_address(args + 3, &address, &params) < 0) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "501 5.5.4 Invalid parameters");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen rcpt = p_new(client->state_pool, struct mail_recipient, 1);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen rcpt->client = client;

e5b06a21b5f857d7037fd6ff41ba3bd449d1232aTimo Sirainen address = lmtp_unescape_address(address);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen argv = t_strsplit(params, " ");

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen for (; *argv != NULL; argv++) {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen if (strncasecmp(*argv, "ORCPT=", 6) == 0) {

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen rcpt->params.dsn_orcpt = parse_xtext(client, *argv + 6);

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen } else {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen client_send_line(client, "501 5.5.4 Unsupported options");

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen return 0;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen }

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen }

133a609acde637dd8f517903f9db978d96b7097eAki Tuomi message_detail_address_parse(client->unexpanded_lda_set->recipient_delimiter,

133a609acde637dd8f517903f9db978d96b7097eAki Tuomi address, &username, &delim, &detail);

65514ab6ccc1889e1667211fddb0cca4b51017dfTimo Sirainen

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "RCPT TO", address);

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen

458acd7b39c84bae0d18c36ff9ddff9a49b4ae4aTimo Sirainen if (client->lmtp_set->lmtp_proxy) {

972c9172e9e6a0fc6053efb3d2ee9d354b67727fLennart Weller if (client_proxy_rcpt(client, address, username, detail, delim,

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen &rcpt->params))

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen return 0;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen /* Use a unique session_id for each mail delivery. This is especially

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen if (array_count(&client->state.rcpt_to) == 0)

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen rcpt->session_id = client->state.session_id;

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen else {

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen rcpt->session_id =

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen p_strdup_printf(client->state_pool, "%s:%u",

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen client->state.session_id,

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen array_count(&client->state.rcpt_to)+1);

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen }

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&input);

1e217aa0dad9bbfad64525396c3f226f170f985cTimo Sirainen input.module = input.service = "lmtp";

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen input.username = username;

d1fff80640050631b06bfab904a34b2ad24601e8Timo Sirainen input.local_ip = client->local_ip;

d1fff80640050631b06bfab904a34b2ad24601e8Timo Sirainen input.remote_ip = client->remote_ip;

d16cbc7557bc2e9f790c9c907212eb5df57a4ab2Timo Sirainen input.local_port = client->local_port;

d16cbc7557bc2e9f790c9c907212eb5df57a4ab2Timo Sirainen input.remote_port = client->remote_port;

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen input.session_id = rcpt->session_id;

d1fff80640050631b06bfab904a34b2ad24601e8Timo Sirainen

4da8c6cdefabd31262318c32da3c13de1d9ea953Timo Sirainen ret = mail_storage_service_lookup(storage_service, &input,

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen &rcpt->service_user, &error);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen if (ret < 0) {

f6008a666d9c3df66fd8a437369133e8519b4e24Timo Sirainen i_error("Failed to lookup user %s: %s", username, error);

f6008a666d9c3df66fd8a437369133e8519b4e24Timo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL, address);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen if (ret == 0) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client,

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen "550 5.1.1 <%s> User doesn't exist: %s",

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen address, username);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen if (client->proxy != NULL) {

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen /* NOTE: if this restriction is ever removed, we'll also need

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen client_send_line(client, "451 4.3.0 <%s> "

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen "Can't handle mixed proxy/non-proxy destinations",

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen address);

eb318ea05532d2e54ed3bfc89bc15dcf1adae838Timo Sirainen mail_storage_service_user_unref(&rcpt->service_user);

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen return 0;

a795ff053b41be95cb94a33cd5501f8d2e843e20Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen lmtp_address_translate(client, &address);

e7b1f9db0128384b152b58ea65303d66484c9d7bTimo Sirainen

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen rcpt->address = p_strdup(client->state_pool, address);

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen rcpt->detail = p_strdup(client->state_pool, detail);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen if (client->lmtp_set->lmtp_user_concurrency_limit == 0) {

bc37bab86f0ae7b9d7149d2418340b88e6ef212fTimo Sirainen (void)cmd_rcpt_finish(client, rcpt);

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen return 0;

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen } else {

d03980c62bca1d8501d67e5cf3b6f9904d166dd4Timo Sirainen /* NOTE: username may change as the result of the userdb

d03980c62bca1d8501d67e5cf3b6f9904d166dd4Timo Sirainen const struct mail_storage_service_input *input =

d03980c62bca1d8501d67e5cf3b6f9904d166dd4Timo Sirainen mail_storage_service_user_get_input(rcpt->service_user);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen const char *query = t_strconcat("LOOKUP\t",

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen master_service_get_name(master_service),

d03980c62bca1d8501d67e5cf3b6f9904d166dd4Timo Sirainen "/", str_tabescape(input->username), NULL);

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen io_remove(&client->io);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen rcpt->anvil_query = anvil_client_query(anvil, query,

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen rcpt_anvil_lookup_callback, rcpt);

ced943b0a9b49a5be38516302fe1631c1883debaTimo Sirainen /* stop processing further commands while anvil query is

ddf6020f6fefe71c4422a8c55d012a62648ae3adTimo Sirainen return rcpt->anvil_query == NULL ? 0 : -1;

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_quit(struct client *client, const char *args ATTR_UNUSED)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

2ba9851abbaffe9592c06c0060dce40bb6da3b78Timo Sirainen client_send_line(client, "221 2.0.0 OK");

2ba9851abbaffe9592c06c0060dce40bb6da3b78Timo Sirainen /* don't log the (state name) for successful QUITs */

2ba9851abbaffe9592c06c0060dce40bb6da3b78Timo Sirainen i_info("Disconnect from %s: Successful quit", client_remote_id(client));

2ba9851abbaffe9592c06c0060dce40bb6da3b78Timo Sirainen client->disconnected = TRUE;

2ba9851abbaffe9592c06c0060dce40bb6da3b78Timo Sirainen client_destroy(client, NULL, NULL);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return -1;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_vrfy(struct client *client, const char *args ATTR_UNUSED)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "252 2.3.3 Try RCPT instead");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_rset(struct client *client, const char *args ATTR_UNUSED)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_reset(client, "RSET");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250 2.0.0 OK");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenint cmd_noop(struct client *client, const char *args ATTR_UNUSED)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "250 2.0.0 OK");

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainenstatic bool orcpt_get_valid_rfc822(const char *orcpt, const char **addr_r)

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen{

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen if (orcpt == NULL || strncasecmp(orcpt, "rfc822;", 7) != 0)

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen return FALSE;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen /* FIXME: we should verify the address further */

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen *addr_r = orcpt + 7;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen return TRUE;

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen}

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenstatic int

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainenclient_deliver(struct client *client, const struct mail_recipient *rcpt,

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen struct mail *src_mail, struct mail_deliver_session *session)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen struct mail_deliver_context dctx;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen struct mail_storage *storage;

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen const struct mail_storage_service_input *input;

7ffa9e9809f10884a9167c19c09c980e3c1792b1Timo Sirainen const struct mail_storage_settings *mail_set;

8c30a8e508dd05b63c9b1fa7ae9c637d132dac6fTimo Sirainen struct lda_settings *lda_set;

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen struct mail_namespace *ns;

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen struct setting_parser_context *set_parser;

ed89b9556292b6d7c2551086a4958f4ed601bda9Stephan Bosch const struct var_expand_table *var_table;

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen struct timeval delivery_time_started;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen void **sets;

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen const char *line, *error, *username;

18458233e89c8467e30d8b93b1823128f26bc174Timo Sirainen string_t *str;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen enum mail_error mail_error;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen int ret;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen input = mail_storage_service_user_get_input(rcpt->service_user);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen username = t_strdup(input->username);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen

7ffa9e9809f10884a9167c19c09c980e3c1792b1Timo Sirainen mail_set = mail_storage_service_user_get_mail_set(rcpt->service_user);

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen set_parser = mail_storage_service_user_get_settings_parser(rcpt->service_user);

7ffa9e9809f10884a9167c19c09c980e3c1792b1Timo Sirainen if (client->proxy_timeout_secs > 0 &&

7ffa9e9809f10884a9167c19c09c980e3c1792b1Timo Sirainen (mail_set->mail_max_lock_timeout == 0 ||

7ffa9e9809f10884a9167c19c09c980e3c1792b1Timo Sirainen mail_set->mail_max_lock_timeout > client->proxy_timeout_secs)) {

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen /* set lock timeout waits to be less than when proxy has

167dbb662c2ddedeb7b34383c18bdcf0537c0c84Timo Sirainen line = t_strdup_printf("mail_max_lock_timeout=%us",

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen client->proxy_timeout_secs <= 1 ? 1 :

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen client->proxy_timeout_secs-1);

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen if (settings_parse_line(set_parser, line) < 0)

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen i_unreached();

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen }

a566d9f8797dd66b4d5432a20ab2b9f7c8f76102Timo Sirainen

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen /* get the timestamp before user is created, since it starts the I/O */

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen io_loop_time_refresh();

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen delivery_time_started = ioloop_timeval;

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "DATA", username);

ca4526e3b5fbf5ea3dd477a2098522a44c9ac52cTimo Sirainen i_set_failure_prefix("lmtp(%s, %s): ", my_pid, username);

4da8c6cdefabd31262318c32da3c13de1d9ea953Timo Sirainen if (mail_storage_service_next(storage_service, rcpt->service_user,

61d3fd14828b68d789f3df73d1dbed56e37b7931Timo Sirainen &client->state.dest_user, &error) < 0) {

61d3fd14828b68d789f3df73d1dbed56e37b7931Timo Sirainen i_error("Failed to initialize user: %s", error);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen rcpt->address);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return -1;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

18458233e89c8467e30d8b93b1823128f26bc174Timo Sirainen

4da8c6cdefabd31262318c32da3c13de1d9ea953Timo Sirainen sets = mail_storage_service_user_get_set(rcpt->service_user);

ed89b9556292b6d7c2551086a4958f4ed601bda9Stephan Bosch var_table = mail_user_var_expand_table(client->state.dest_user);

8c30a8e508dd05b63c9b1fa7ae9c637d132dac6fTimo Sirainen lda_set = sets[1];

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen if (settings_var_expand(&lda_setting_parser_info, lda_set, client->pool,

ed89b9556292b6d7c2551086a4958f4ed601bda9Stephan Bosch var_table, &error) <= 0) {

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen i_error("Failed to expand settings: %s", error);

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen rcpt->address);

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen return -1;

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen }

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen str = t_str_new(256);

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen if (var_expand_with_funcs(str, client->state.dest_user->set->mail_log_prefix,

ed89b9556292b6d7c2551086a4958f4ed601bda9Stephan Bosch var_table, mail_user_var_expand_func_table,

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen client->state.dest_user, &error) <= 0) {

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen i_error("Failed to expand mail_log_prefix=%s: %s",

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen client->state.dest_user->set->mail_log_prefix, error);

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen rcpt->address);

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen return -1;

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen }

0f5dc4da3982053036be65190e44bf28a67b1ca2Timo Sirainen i_set_failure_prefix("%s", str_c(str));

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch i_zero(&dctx);

44f3f472a49078312432b785fddcfe7b95928391Timo Sirainen dctx.session = session;

44f3f472a49078312432b785fddcfe7b95928391Timo Sirainen dctx.pool = session->pool;

8c30a8e508dd05b63c9b1fa7ae9c637d132dac6fTimo Sirainen dctx.set = lda_set;

d25877a69c21fcd004f77bbfb1b8d0895d78e4ddTimo Sirainen dctx.timeout_secs = LDA_SUBMISSION_TIMEOUT_SECS;

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen dctx.session_id = rcpt->session_id;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen dctx.src_mail = src_mail;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen dctx.src_envelope_sender = client->state.mail_from;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen dctx.dest_user = client->state.dest_user;

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen dctx.session_time_msecs =

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen timeval_diff_msecs(&client->state.data_end_timeval,

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen &client->state.mail_from_timeval);

da0420f1b5d5f5ab1079d1204d70dd51866ce025Timo Sirainen dctx.delivery_time_started = delivery_time_started;

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen if (orcpt_get_valid_rfc822(rcpt->params.dsn_orcpt, &dctx.dest_addr)) {

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen /* used ORCPT */

38f624b427aa8b6fad3765e6efd97c85a7f97a09Timo Sirainen } else if (*dctx.set->lda_original_recipient_header != '\0') {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen dctx.dest_addr = mail_deliver_get_address(src_mail,

71564d36ea3aba6dd6a0d2560da46ffda733b679Timo Sirainen dctx.set->lda_original_recipient_header);

71564d36ea3aba6dd6a0d2560da46ffda733b679Timo Sirainen }

71564d36ea3aba6dd6a0d2560da46ffda733b679Timo Sirainen if (dctx.dest_addr == NULL)

71564d36ea3aba6dd6a0d2560da46ffda733b679Timo Sirainen dctx.dest_addr = rcpt->address;

9c45821d7448c6f63391d318a6dff785e46e58eeTimo Sirainen dctx.final_dest_addr = rcpt->address;

bfd8127fc0836b181b1ae65680bd6e3806b64fd1Timo Sirainen if (*rcpt->detail == '\0' ||

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen !client->lmtp_set->lmtp_save_to_detail_mailbox)

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen dctx.dest_mailbox_name = "INBOX";

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen else {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen ns = mail_namespace_find_inbox(dctx.dest_user->namespaces);

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen dctx.dest_mailbox_name =

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen t_strconcat(ns->prefix, rcpt->detail, NULL);

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen }

16dfe1f9c1c1a5abc5e5a12efa25619586f7e4e6Timo Sirainen

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen dctx.save_dest_mail = array_count(&client->state.rcpt_to) > 1 &&

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen client->state.first_saved_mail == NULL;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen if (mail_deliver(&dctx, &storage) == 0) {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen if (dctx.dest_mail != NULL) {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen i_assert(client->state.first_saved_mail == NULL);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen client->state.first_saved_mail = dctx.dest_mail;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen client_send_line(client, "250 2.0.0 <%s> %s Saved",

aeea3dbd1f4031634f7b318614adf51dcfc79f42Timo Sirainen rcpt->address, rcpt->session_id);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen ret = 0;

1ee1a73bde20380ba39d572681397ad05dcdf9a1Timo Sirainen } else if (dctx.tempfail_error != NULL) {

1ee1a73bde20380ba39d572681397ad05dcdf9a1Timo Sirainen client_send_line(client, "451 4.2.0 <%s> %s",

1ee1a73bde20380ba39d572681397ad05dcdf9a1Timo Sirainen rcpt->address, dctx.tempfail_error);

1ee1a73bde20380ba39d572681397ad05dcdf9a1Timo Sirainen ret = -1;

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen } else if (storage != NULL) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen error = mail_storage_get_last_error(storage, &mail_error);

2ed2459dbd183bb371da4a0aecb2d2b74ae7c815Timo Sirainen if (mail_error == MAIL_ERROR_NOQUOTA) {

170834eda87ac8e6b8b6577738ef373fc68f117dTimo Sirainen client_send_line_overquota(client, rcpt, error);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen } else {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen client_send_line(client, "451 4.2.0 <%s> %s",

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen rcpt->address, error);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen ret = -1;

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen } else {

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen /* This shouldn't happen */

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen i_error("BUG: Saving failed to unknown storage");

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen rcpt->address);

b9dce659b9135c87c7708b2bb0f14e8742db7e15Timo Sirainen ret = -1;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return ret;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainenstatic bool client_rcpt_to_is_last(struct client *client)

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen{

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen return client->state.rcpt_idx >= array_count(&client->state.rcpt_to);

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen}

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitovstatic uid_t client_deliver_to_rcpts(struct client *client,

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov struct mail_deliver_session *session)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov uid_t first_uid = (uid_t)-1;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov struct mail *src_mail;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen struct mail_recipient *const *rcpts;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen unsigned int count;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen int ret;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov src_mail = client->state.raw_mail;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen rcpts = array_get(&client->state.rcpt_to, &count);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen while (client->state.rcpt_idx < count) {

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen ret = client_deliver(client, rcpts[client->state.rcpt_idx],

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen src_mail, session);

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "DATA", "");

ca4526e3b5fbf5ea3dd477a2098522a44c9ac52cTimo Sirainen i_set_failure_prefix("lmtp(%s): ", my_pid);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen client->state.rcpt_idx++;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov /* succeeded and mail_user is not saved in first_saved_mail */

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov if ((ret == 0 &&

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov (client->state.first_saved_mail == NULL ||

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov client->state.first_saved_mail == src_mail)) ||

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov /* failed. try the next one. */

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov (ret != 0 && client->state.dest_user != NULL)) {

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen if (client_rcpt_to_is_last(client))

0c9dda2bad67db38d67d92d64839a14214f7d293Timo Sirainen mail_user_autoexpunge(client->state.dest_user);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen mail_user_unref(&client->state.dest_user);

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov } else if (ret == 0) {

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov /* use the first saved message to save it elsewhere too.

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov client->state.dest_user = NULL;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov src_mail = client->state.first_saved_mail;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov first_uid = geteuid();

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov i_assert(first_uid != 0);

646817f0cfb39b0e0eb545900f1566b76a851b20Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov return first_uid;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

efb0def040a3e98da05ea77c170cd6711a9c8747Timo Sirainenstatic void client_rcpt_fail_all(struct client *client)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen struct mail_recipient *const *rcptp;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen array_foreach(&client->state.rcpt_to, rcptp) {

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen client_send_line(client, ERRSTR_TEMP_MAILBOX_FAIL,

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen (*rcptp)->address);

9a935c34e98ba7a9cc90784ceb63b2fbdab4105fTimo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic struct istream *client_get_input(struct client *client)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen struct client_state *state = &client->state;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen struct istream *cinput, *inputs[3];

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen inputs[0] = i_stream_create_from_data(state->added_headers,

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen strlen(state->added_headers));

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen if (state->mail_data_output != NULL) {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen o_stream_unref(&state->mail_data_output);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen inputs[1] = i_stream_create_fd(state->mail_data_fd,

e93184a9055c2530366dfe617e07199603c399ddMartti Rannanjärvi MAIL_READ_FULL_BLOCK_SIZE);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen i_stream_set_init_buffer_size(inputs[1],

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen MAIL_READ_FULL_BLOCK_SIZE);

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen } else {

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen inputs[1] = i_stream_create_from_data(state->mail_data->data,

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen state->mail_data->used);

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen inputs[2] = NULL;

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen cinput = i_stream_create_concat(inputs);

ed74f1121a4b8e814427fbce8325108e39e1c805Timo Sirainen i_stream_set_name(cinput, "<lmtp DATA>");

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen i_stream_unref(&inputs[0]);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen i_stream_unref(&inputs[1]);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen return cinput;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic int client_open_raw_mail(struct client *client, struct istream *input)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen static const char *wanted_headers[] = {

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen "From", "To", "Message-ID", "Subject", "Return-Path",

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen NULL

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen };

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct mailbox *box;

8aa60989067046e35c4809a616b46473fce0113eTimo Sirainen struct mailbox_transaction_context *trans;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct mailbox_header_lookup_ctx *headers_ctx;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen enum mail_error error;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

15dd1857d40544e2c356d4f1c87c42a0579c665cTimo Sirainen if (raw_mailbox_alloc_stream(client->raw_mail_user, input,

15dd1857d40544e2c356d4f1c87c42a0579c665cTimo Sirainen (time_t)-1, client->state.mail_from,

15dd1857d40544e2c356d4f1c87c42a0579c665cTimo Sirainen &box) < 0) {

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen i_error("Can't open delivery mail as raw: %s",

bf7dc750b95039981c0e9d728f313d50cf38a156Martti Rannanjärvi mailbox_get_last_internal_error(box, &error));

e10d8b1291090c26b9ef499637e6e632485ca5beTimo Sirainen mailbox_free(&box);

efb0def040a3e98da05ea77c170cd6711a9c8747Timo Sirainen client_rcpt_fail_all(client);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return -1;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

0dab9cb35a976c49b28a11e28d5570f5191f1a7aMartti Rannanjärvi trans = mailbox_transaction_begin(box, 0, __func__);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen headers_ctx = mailbox_header_lookup_init(box, wanted_headers);

8aa60989067046e35c4809a616b46473fce0113eTimo Sirainen client->state.raw_mail = mail_alloc(trans, 0, headers_ctx);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen mailbox_header_lookup_unref(&headers_ctx);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen mail_set_seq(client->state.raw_mail, 1);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return 0;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic void

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenclient_input_data_write_local(struct client *client, struct istream *input)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen{

44f3f472a49078312432b785fddcfe7b95928391Timo Sirainen struct mail_deliver_session *session;

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov uid_t old_uid, first_uid;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

efb0def040a3e98da05ea77c170cd6711a9c8747Timo Sirainen if (client_open_raw_mail(client, input) < 0)

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen return;

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

44f3f472a49078312432b785fddcfe7b95928391Timo Sirainen session = mail_deliver_session_init();

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen old_uid = geteuid();

bad08efc4476d3ab6f13b10e8b78e05014a93ba7Sergey Kitov first_uid = client_deliver_to_rcpts(client, session);

44f3f472a49078312432b785fddcfe7b95928391Timo Sirainen mail_deliver_session_deinit(&session);

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen if (client->state.first_saved_mail != NULL) {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen struct mail *mail = client->state.first_saved_mail;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen struct mailbox_transaction_context *trans = mail->transaction;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen struct mailbox *box = trans->box;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen struct mail_user *user = box->storage->user;

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen /* just in case these functions are going to write anything,

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen if (first_uid != old_uid) {

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen if (seteuid(0) < 0)

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen i_fatal("seteuid(0) failed: %m");

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen if (seteuid(first_uid) < 0)

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen i_fatal("seteuid() failed: %m");

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen }

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen mail_free(&mail);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen mailbox_transaction_rollback(&trans);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen mailbox_free(&box);

646817f0cfb39b0e0eb545900f1566b76a851b20Timo Sirainen mail_user_autoexpunge(user);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen mail_user_unref(&user);

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen }

ee77aba32f3d05ecd87cca445c77e1f1095035e2Timo Sirainen

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen if (old_uid == 0) {

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen /* switch back to running as root, since that's what we're

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen if (seteuid(0) < 0)

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen i_fatal("seteuid(0) failed: %m");

ffaa309c211897ab875bbe0b093bc7e709bb1e5dTimo Sirainen /* enable core dumping again. we need to chdir also to

ffaa309c211897ab875bbe0b093bc7e709bb1e5dTimo Sirainen restrict_access_allow_coredumps(TRUE);

de05e7b6a2fae2e2a799f4bd94803fcb1290d463Timo Sirainen if (chdir(base_dir) < 0)

de05e7b6a2fae2e2a799f4bd94803fcb1290d463Timo Sirainen i_error("chdir(%s) failed: %m", base_dir);

75e789ce60fba8e9ad07f51a8fd186fa65823328Timo Sirainen }

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen}

315ce5be539bfe8bc7777ab0654499c49583cea2Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainenstatic void client_input_data_finish(struct client *client)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

4818cf6ae9cda663ad68823fd83b18ac380a8a4dTimo Sirainen client_io_reset(client);

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_reset(client, "DATA finished");

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (i_stream_have_bytes_left(client->input))

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen client_input_handle(client);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

701c9fc6dc06415bbf15490125e001d9db8c7cbdTimo Sirainenstatic void client_proxy_finish(void *context)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct client *client = context;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen lmtp_proxy_deinit(&client->proxy);

701c9fc6dc06415bbf15490125e001d9db8c7cbdTimo Sirainen client_input_data_finish(client);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainenstatic const char *client_get_added_headers(struct client *client)

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen{

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen string_t *str = t_str_new(200);

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen void **sets;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen const struct lmtp_settings *lmtp_set;

16b3aad0065ff383a3c8804912048b40b9047018Pascal Volk const char *host, *rcpt_to = NULL;

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen if (array_count(&client->state.rcpt_to) == 1) {

b02e7bac5b8b19795884229f64e6fbbd93a0d2deTimo Sirainen struct mail_recipient *const *rcptp =

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen array_idx(&client->state.rcpt_to, 0);

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen sets = mail_storage_service_user_get_set((*rcptp)->service_user);

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen lmtp_set = sets[2];

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen switch (lmtp_set->parsed_lmtp_hdr_delivery_address) {

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen case LMTP_HDR_DELIVERY_ADDRESS_NONE:

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen break;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen case LMTP_HDR_DELIVERY_ADDRESS_FINAL:

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen rcpt_to = (*rcptp)->address;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen break;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen case LMTP_HDR_DELIVERY_ADDRESS_ORIGINAL:

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen if (!orcpt_get_valid_rfc822((*rcptp)->params.dsn_orcpt,

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen &rcpt_to))

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen rcpt_to = (*rcptp)->address;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen break;

1ac7b6969120bfdb15497663229f0dd168ae4ab8Timo Sirainen }

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen }

9deb15b8dec1a593940d72532ececc673c6b48ffTimo Sirainen

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen /* don't set Return-Path when proxying so it won't get added twice */

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen if (array_count(&client->state.rcpt_to) > 0) {

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen str_printfa(str, "Return-Path: <%s>\r\n",

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen client->state.mail_from);

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen if (rcpt_to != NULL)

a192134d1aaf3ff73bff040c7cd9ab3e9a8fe1ddTimo Sirainen str_printfa(str, "Delivered-To: %s\r\n", rcpt_to);

7f250fe7eede5f1d17c5e177c7f2dc0dd742e224Timo Sirainen }

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

fcd443a32b01c4da131f36649d5a5fa5f8452dcfTimo Sirainen str_printfa(str, "Received: from %s", client->lhlo);

39622d42aa198b19fb77d203e78a2418de68f740Timo Sirainen host = net_ip2addr(&client->remote_ip);

39622d42aa198b19fb77d203e78a2418de68f740Timo Sirainen if (host[0] != '\0')

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen str_printfa(str, " ([%s])", host);

0dc719a06fc1bbe11238762f9beb0c1faa4a2b75Timo Sirainen str_append(str, "\r\n");

0dc719a06fc1bbe11238762f9beb0c1faa4a2b75Timo Sirainen if (client->ssl_iostream != NULL) {

0dc719a06fc1bbe11238762f9beb0c1faa4a2b75Timo Sirainen str_printfa(str, "\t(using %s)\r\n",

0dc719a06fc1bbe11238762f9beb0c1faa4a2b75Timo Sirainen ssl_iostream_get_security_string(client->ssl_iostream));

0dc719a06fc1bbe11238762f9beb0c1faa4a2b75Timo Sirainen }

5a6ad44f13668817043427f98616c1f7a5cc2606Timo Sirainen str_printfa(str, "\tby %s with LMTP id %s",

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen client->my_domain, client->state.session_id);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen str_append(str, "\r\n\t");

16b3aad0065ff383a3c8804912048b40b9047018Pascal Volk if (rcpt_to != NULL)

16b3aad0065ff383a3c8804912048b40b9047018Pascal Volk str_printfa(str, "for <%s>", rcpt_to);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen str_printfa(str, "; %s\r\n", message_date_create(ioloop_time));

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen return str_c(str);

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen}

eed03830015b7138b9d4522e72bef650aa24b45fTimo Sirainen

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainenstatic void client_input_data_write(struct client *client)

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen{

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen struct istream *input;

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

fb340f9dfd8ca3a66ef6830c047333a220e8f9b3Timo Sirainen /* stop handling client input until saving/proxying is finished */

0d1b8b6bec79746c5d89d57dd8c1688946bd9237Josef 'Jeff' Sipek timeout_remove(&client->to_idle);

701c9fc6dc06415bbf15490125e001d9db8c7cbdTimo Sirainen io_remove(&client->io);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen i_stream_destroy(&client->dot_input);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen client->state.data_end_timeval = ioloop_timeval;

6b6011c2242e470b41316f92512b282b5e306dacTimo Sirainen

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen input = client_get_input(client);

701c9fc6dc06415bbf15490125e001d9db8c7cbdTimo Sirainen if (array_count(&client->state.rcpt_to) != 0)

701c9fc6dc06415bbf15490125e001d9db8c7cbdTimo Sirainen client_input_data_write_local(client, input);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen if (client->proxy != NULL) {

d65cc3312d3126d34b51ae8eccd6b48215d50029Timo Sirainen client_state_set(client, "DATA", "proxying");

5b946df482ca0e5278ee93eea0d53f2cf09fadc1Timo Sirainen lmtp_proxy_start(client->proxy, input,

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen client_proxy_finish, client);

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen } else {

42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491Timo Sirainen client_input_data_finish(client);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen }

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen i_stream_unref(&input);

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen}

c2ebc8f28b5504f280cd5d4adfe57ed70f9a7d83Timo Sirainen

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainenstatic int client_input_add_file(struct client *client,

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen const unsigned char *data, size_t size)

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen{

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen struct client_state *state = &client->state;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen string_t *path;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen int fd;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen if (state->mail_data_output != NULL) {

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen /* continue writing to file */

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen if (o_stream_send(state->mail_data_output,

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen data, size) != (ssize_t)size)

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen return -1;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen return 0;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen }

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen

b5babd4ea611616f0b3b2b9fb5917c78d1999a7bTimo Sirainen /* move everything to a temporary file. */

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen path = t_str_new(256);

4afd50dff16661684ad2acddad7284bcd8c564dbTimo Sirainen mail_user_set_get_temp_prefix(path, client->raw_mail_user->set);

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen fd = safe_mkstemp_hostpid(path, 0600, (uid_t)-1, (gid_t)-1);

4afd50dff16661684ad2acddad7284bcd8c564dbTimo Sirainen if (fd == -1) {

4afd50dff16661684ad2acddad7284bcd8c564dbTimo Sirainen i_error("Temp file creation to %s failed: %m", str_c(path));

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen return -1;

4afd50dff16661684ad2acddad7284bcd8c564dbTimo Sirainen }

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen /* we just want the fd, unlink it */

46b823ac3bce2c0f9f0fc73911e48d3a77b04fbeTimo Sirainen if (i_unlink(str_c(path)) < 0) {

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen /* shouldn't happen.. */

4307c886579381dbb1897ea1388ae6978c96f560Timo Sirainen i_close_fd(&fd);

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen return -1;

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen }

dd3ccdbb29dad006f7781ea138a5ba39727963c4Timo Sirainen

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen state->mail_data_fd = fd;

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen state->mail_data_output = o_stream_create_fd_file(fd, 0, FALSE);

61d89b0ca0300e230c7882b71e8360edf62d9cd0Timo Sirainen o_stream_set_name(state->mail_data_output, str_c(path));

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen o_stream_cork(state->mail_data_output);

2dad3ab8045be38711f277f065b76f76bb5f63f8Timo Sirainen