1059 lines
27 KiB
C
1059 lines
27 KiB
C
/*
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* Mbuni - Open Source MMS Gateway
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*
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* Misc. functions
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*
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* Copyright (C) 2003 - 2005, Digital Solutions Ltd. - http://www.dsmagic.com
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*
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* Paul Bagyenda <bagyenda@dsmagic.com>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License, with a few exceptions granted (see LICENSE)
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*/
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#include <sys/file.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include <strings.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "mms_util.h"
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#include "mms_queue.h"
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#include "mms_uaprof.h"
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Octstr *_mms_cfg_getx(mCfgGrp *grp, Octstr *item)
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{
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Octstr *v = mms_cfg_get(grp, item);
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return v ? v : octstr_create("");
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}
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int mms_load_core_settings(mCfgGrp *cgrp)
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{
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Octstr *log, *alog;
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Octstr *http_proxy_host;
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long loglevel;
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if (cgrp == NULL)
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panic(0,"Missing required group `core' in config file!");
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/* Set the log file. */
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log = mms_cfg_get(cgrp, octstr_imm("log-file"));
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if (log != NULL) {
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if (mms_cfg_get_int(cgrp, octstr_imm("log-level"), &loglevel) == -1)
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loglevel = 0;
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log_open(octstr_get_cstr(log), loglevel, GW_NON_EXCL);
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octstr_destroy(log);
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}
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/* Get access log and open it. */
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alog = mms_cfg_get(cgrp, octstr_imm("access-log"));
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if (alog) {
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alog_open(octstr_get_cstr(alog), 1, 1);
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octstr_destroy(alog);
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}
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/* look for http proxy. If set, use it. */
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if ((http_proxy_host = mms_cfg_get(cgrp, octstr_imm("http-proxy-host"))) != NULL) {
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Octstr *username = mms_cfg_get(cgrp,
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octstr_imm("http-proxy-username"));
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Octstr *password = mms_cfg_get(cgrp,
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octstr_imm("http-proxy-password"));
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List *exceptions = mms_cfg_get_list(cgrp,
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octstr_imm("http-proxy-exceptions"));
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long http_proxy_port = -1;
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mms_cfg_get_int(cgrp, octstr_imm("http-proxy-port"), &http_proxy_port);
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if (http_proxy_port > 0)
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http_use_proxy(http_proxy_host, http_proxy_port,
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exceptions, username, password);
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octstr_destroy(http_proxy_host);
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octstr_destroy(username);
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octstr_destroy(password);
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list_destroy(exceptions, octstr_destroy_item);
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}
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#ifdef HAVE_LIBSSL
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/* We expect that gwlib_init() has been called already, so only need
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* to setup cert files.
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* -- adapted from gwlib/conn.c
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*/
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{
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Octstr *ssl_client_certkey_file = NULL;
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Octstr *ssl_server_cert_file = NULL;
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Octstr *ssl_server_key_file = NULL;
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Octstr *ssl_trusted_ca_file = NULL;
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/*
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* check if SSL is desired for HTTP servers and then
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* load SSL client and SSL server public certificates
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* and private keys
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*/
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ssl_client_certkey_file = mms_cfg_get(cgrp, octstr_imm("ssl-client-certkey-file"));
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if (ssl_client_certkey_file != NULL)
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use_global_client_certkey_file(ssl_client_certkey_file);
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ssl_server_cert_file = mms_cfg_get(cgrp, octstr_imm("ssl-server-cert-file"));
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ssl_server_key_file = mms_cfg_get(cgrp, octstr_imm("ssl-server-key-file"));
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if (ssl_server_cert_file != NULL && ssl_server_key_file != NULL)
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use_global_server_certkey_file(ssl_server_cert_file,
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ssl_server_key_file);
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ssl_trusted_ca_file = mms_cfg_get(cgrp, octstr_imm("ssl-trusted-ca-file"));
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use_global_trusted_ca_file(ssl_trusted_ca_file);
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octstr_destroy(ssl_client_certkey_file);
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octstr_destroy(ssl_server_cert_file);
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octstr_destroy(ssl_server_key_file);
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octstr_destroy(ssl_trusted_ca_file);
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}
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#endif
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return 0;
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}
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Octstr *mms_maketransid(char *qf, Octstr *mmscname)
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{
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Octstr *res;
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Octstr *x, *y = NULL;
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static int ct;
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if (!qf)
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x = octstr_format("msg.%ld.x%d.%d.%d",
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(long)time(NULL) % 10000, (++ct % 1000), getpid()%100, random()%100);
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else
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x = octstr_create(qf);
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res = octstr_format("%S@%S", mmscname, x);
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octstr_destroy(x);
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octstr_destroy(y);
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return res;
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}
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extern Octstr *mms_getqf_fromtransid(Octstr *transid)
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{
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int i;
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if (transid == NULL)
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return NULL;
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i = octstr_search_char(transid, '@', 0);
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return (i >= 0) ? octstr_copy(transid, i+1, octstr_len(transid)) : octstr_duplicate(transid);
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}
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Octstr *mms_isodate(time_t t)
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{
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Octstr *current_time;
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struct tm now;
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now = gw_gmtime(t);
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current_time = octstr_format("%04d-%02d-%02dT%02d:%02d:%02dZ",
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now.tm_year + 1900, now.tm_mon + 1,
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now.tm_mday, now.tm_hour, now.tm_min,
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now.tm_sec);
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return current_time;
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}
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void mms_lib_init(void)
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{
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gwlib_init();
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mms_strings_init();
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}
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void mms_lib_shutdown(void)
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{
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mms_strings_shutdown();
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gwlib_shutdown();
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}
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static void strip_quotes(Octstr *s)
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{
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int l = s ? octstr_len(s) : 0;
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if (l == 0)
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return;
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if (octstr_get_char(s, 0) == '"') {
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octstr_delete(s, 0, 1);
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l--;
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}
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if (octstr_get_char(s, l-1) == '"')
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octstr_delete(s, l-1, 1);
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}
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List *get_value_parameters(Octstr *params)
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{
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int i,n, k = 0;
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List *h = http_create_empty_headers();
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Octstr *xparams = octstr_duplicate(params);
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octstr_format_append(xparams, ";"); /* So parsing is easier. (aka cheap hack) */
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for (i = 0, n = octstr_len(xparams); i < n; i++) {
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int c = octstr_get_char(xparams, i);
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if (c == ';') {
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int j = octstr_search_char(xparams, '=', k);
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Octstr *name, *value;
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if (j > 0 && j < i) {
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name = octstr_copy(xparams, k, j - k);
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value = octstr_copy(xparams, j+1,i-j-1);
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octstr_strip_blanks(name);
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octstr_strip_blanks(value);
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strip_quotes(value);
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if (octstr_len(name) > 0)
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http_header_add(h,
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octstr_get_cstr(name),
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octstr_get_cstr(value));
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octstr_destroy(name);
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octstr_destroy(value);
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}
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k = i + 1;
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} else if (c == '"')
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i += http_header_quoted_string_len(xparams, i) - 1;
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}
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octstr_destroy(xparams);
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return h;
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}
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int split_header_value(Octstr *value, Octstr **base_value, Octstr **params)
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{
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int i, n;
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for (i = 0, n = octstr_len(value); i < n; i++) {
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int c = octstr_get_char(value, i);
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if (c == ';')
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break;
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else if (c == '"')
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i += http_header_quoted_string_len(value, i) - 1;
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}
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*base_value = octstr_duplicate(value);
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if (i < n) {
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*params = octstr_copy(value, i+1, octstr_len(value));
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octstr_delete(*base_value, i, octstr_len(*base_value));
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} else
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*params = octstr_create("");
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return 0;
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}
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int get_content_type(List *hdrs, Octstr **type, Octstr **params)
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{
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Octstr *v;
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v = http_header_find_first(hdrs, "Content-Type");
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*params =NULL;
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if (!v) {
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*type = octstr_create("application/octet-stream");
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*params = octstr_create("");
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return -1;
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}
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split_header_value(v, type, params);
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octstr_destroy(v);
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return 0;
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}
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static int needs_quotes(Octstr *s)
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{
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int i, n;
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if (!s)
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return 0;
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for (i = 0, n = octstr_len(s); i<n; i++) {
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int ch = octstr_get_char(s,i);
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if (isspace(ch) || ispunct(ch))
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return 1;
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}
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return 0;
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}
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Octstr *make_value_parameters(List *params)
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{
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Octstr *s = octstr_create(""), *name, *value;
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int i, n;
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for (i = 0, n = params ? list_len(params) : 0; i<n; i++) {
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int space;
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http_header_get(params, i, &name, &value);
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space = needs_quotes(value);
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octstr_format_append(s, "%s%S=%s%S%s",
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(i==0) ? "" : "; ",
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name,
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(space) ? "\"" : "",
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value,
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(space) ? "\"" : "");
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octstr_destroy(name);
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octstr_destroy(value);
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}
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return s;
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}
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/* Take each header with a comma separated set of values (for To,Cc,Bcc),
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* re-create as a series of header/value pairs.
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* Remove all non-conformant headers (e.g. old unix-style from
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*/
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void unpack_mimeheaders(MIMEEntity *mm)
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{
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int i, n;
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List *h = http_create_empty_headers();
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for (i = 0, n = list_len(mm->headers); i<n; i++) {
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Octstr *header = NULL, *value = NULL;
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List *l = NULL;
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int j, m;
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int skip;
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http_header_get(mm->headers, i, &header, &value);
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if (header == NULL ||
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octstr_str_compare(header, "X-Unknown") == 0 ||
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octstr_search_chars(header, octstr_imm(" \n\t"), 0) >= 0) /* Don't allow space in the name. */
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goto loop;
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if (octstr_case_compare(header, octstr_imm("Cc")) == 0 ||
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octstr_case_compare(header, octstr_imm("To")) == 0 ||
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octstr_case_compare(header, octstr_imm("Bcc")) == 0)
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skip = 0;
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else
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skip = 1;
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/* XXX This may not be safe. Need to skip over quotes. */
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if (!skip && octstr_search_char(value, ',', 0) > 0 &&
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(l = http_header_split_value(value)) != NULL &&
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list_len(l) > 1)
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for (j = 0, m = list_len(l); j<m; j++)
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http_header_add(h, octstr_get_cstr(header),
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octstr_get_cstr(list_get(l, j)));
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else
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http_header_add(h, octstr_get_cstr(header),
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octstr_get_cstr(value));
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if (l) list_destroy(l, (list_item_destructor_t *)octstr_destroy);
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loop:
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if (header) octstr_destroy(header);
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if (value) octstr_destroy(value);
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}
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http_destroy_headers(mm->headers);
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mm->headers = h;
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}
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/* Undo base64 content coding for mime entities that need it. */
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void unbase64_mimeparts(MIMEEntity *m)
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{
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int i, n;
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if (m->multiparts && list_len(m->multiparts) > 0)
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for (i = 0, n = list_len(m->multiparts); i<n; i++)
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unbase64_mimeparts(list_get(m->multiparts, i));
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else { /* A non-multipart message .*/
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Octstr *ctype = http_header_value(m->headers, octstr_imm("Content-Type"));
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Octstr *te = http_header_value(m->headers, octstr_imm("Content-Transfer-Encoding"));
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if (ctype && te &&
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octstr_case_compare(te,octstr_imm("base64")) == 0)
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octstr_base64_to_binary(m->body);
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http_header_remove_all(m->headers, "Content-Transfer-Encoding"); /* Remove it in all cases (?).*/
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/* XXX may be we should deal with other transfer encodings here as well... */
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if (ctype)
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octstr_destroy(ctype);
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if (te)
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octstr_destroy(te);
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}
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}
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int _mms_gw_isprint(int c)
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{
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return isprint(c) || isspace(c);
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}
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|
|
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/* Change content coding for mime entities that need it. */
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void base64_mimeparts(MIMEEntity *m)
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{
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int i, n;
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if (m->multiparts && list_len(m->multiparts) > 0)
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for (i = 0, n = list_len(m->multiparts); i<n; i++)
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base64_mimeparts(list_get(m->multiparts, i));
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else { /* A non-multipart message .*/
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Octstr *ctype = http_header_value(m->headers, octstr_imm("Content-Type"));
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Octstr *te = http_header_value(m->headers, octstr_imm("Content-Transfer-Encoding"));
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if (ctype && !te
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#if 1
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&&
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(m->body && octstr_check_range(m->body, 0, octstr_len(m->body), _mms_gw_isprint) == 0)
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#endif
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) {
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octstr_binary_to_base64(m->body);
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http_header_add(m->headers, "Content-Transfer-Encoding", "base64");
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}
|
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if (ctype)
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octstr_destroy(ctype);
|
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if (te)
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octstr_destroy(te);
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}
|
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}
|
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|
|
|
|
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static void addmmscname(Octstr *s, Octstr *myhostname)
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{
|
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int j;
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int len = octstr_len(s);
|
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|
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if (octstr_search_char(s, '@', 0) >= 0)
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return; /* Nothing to do. */
|
|
|
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j = octstr_case_search(s, octstr_imm("/TYPE=PLMN"), 0);
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if (j > 0 && j - 1 + sizeof "/TYPE=PLMN" == len) { /* A proper number. */
|
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octstr_delete(s, j, -1 + sizeof "/TYPE=PLMN"); /* XXX We strip off /TYPE=PLMN, should we ? */
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octstr_format_append(s, "@%S", myhostname);
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}
|
|
|
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}
|
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static int send2email(Octstr *to, Octstr *from, Octstr *subject,
|
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Octstr *msgid,
|
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MIMEEntity *m, int append_hostname, Octstr **error,
|
|
char *sendmail_cmd, Octstr *myhostname)
|
|
{
|
|
Octstr *s;
|
|
FILE *f;
|
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int ret = MMS_SEND_OK, i;
|
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Octstr *cmd = octstr_create("");
|
|
|
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if (append_hostname) { /* Add our hostname to all phone numbers. */
|
|
int i, n;
|
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List *l = http_create_empty_headers();
|
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Octstr *xfrom = http_header_value(m->headers, octstr_imm("From"));
|
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List *lto = http_header_find_all(m->headers, "To");
|
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List *lcc = http_header_find_all(m->headers, "Cc");
|
|
|
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if (xfrom) {
|
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addmmscname(xfrom, myhostname);
|
|
http_header_add(l, "From", octstr_get_cstr(xfrom));
|
|
octstr_destroy(xfrom);
|
|
}
|
|
http_header_remove_all(m->headers, "From");
|
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|
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for (i = 0, n = list_len(lto); i < n; i++) {
|
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Octstr *name, *value;
|
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http_header_get(lto, i, &name, &value);
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|
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if (!value || !name ||
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octstr_case_compare(name, octstr_imm("To")) != 0)
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goto loop;
|
|
|
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addmmscname(value, myhostname);
|
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http_header_add(l, "To", octstr_get_cstr(value));
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loop:
|
|
if (value) octstr_destroy(value);
|
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if (name) octstr_destroy(name);
|
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}
|
|
|
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http_destroy_headers(lto);
|
|
http_header_remove_all(m->headers, "To");
|
|
|
|
for (i = 0, n = list_len(lcc); i < n; i++) {
|
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Octstr *name, *value;
|
|
|
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http_header_get(lcc, i, &name, &value);
|
|
|
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if (!value || !name ||
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octstr_case_compare(name, octstr_imm("Cc")) != 0)
|
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goto loop2;
|
|
|
|
addmmscname(value, myhostname);
|
|
http_header_add(l, "Cc", octstr_get_cstr(value));
|
|
loop2:
|
|
if (value) octstr_destroy(value);
|
|
if (name) octstr_destroy(name);
|
|
}
|
|
|
|
http_destroy_headers(lcc);
|
|
http_header_remove_all(m->headers, "Cc");
|
|
|
|
http_append_headers(m->headers, l); /* combine old with new. */
|
|
http_destroy_headers(l);
|
|
}
|
|
|
|
/* Pack headers, get string rep of mime entity. */
|
|
http_header_pack(m->headers);
|
|
s = mime_entity_to_octstr(m);
|
|
|
|
/*
|
|
* Make the command: Transpose % formatting characters:
|
|
* f - from address
|
|
* t - recipient
|
|
* s - subject
|
|
* m - message id
|
|
*/
|
|
|
|
i = 0;
|
|
for (;;) {
|
|
Octstr *tmp;
|
|
while (sendmail_cmd[i]) {
|
|
char c = sendmail_cmd[i];
|
|
if (c == '%' && sendmail_cmd[i + 1])
|
|
break;
|
|
octstr_append_char(cmd, c);
|
|
i++;
|
|
}
|
|
if (!sendmail_cmd[i])
|
|
break;
|
|
|
|
switch(sendmail_cmd[i+1]) {
|
|
case 't':
|
|
tmp = octstr_duplicate(to);
|
|
escape_shell_chars(tmp);
|
|
octstr_append(cmd, tmp);
|
|
octstr_destroy(tmp);
|
|
break;
|
|
case 'f':
|
|
if (append_hostname) {
|
|
Octstr *xfrom = octstr_duplicate(from);
|
|
addmmscname(xfrom, myhostname);
|
|
escape_shell_chars(xfrom);
|
|
|
|
octstr_append(cmd, xfrom);
|
|
octstr_destroy(xfrom);
|
|
} else {
|
|
tmp = octstr_duplicate(from);
|
|
escape_shell_chars(tmp);
|
|
octstr_append(cmd, tmp);
|
|
octstr_destroy(tmp);
|
|
}
|
|
break;
|
|
case 's':
|
|
tmp = octstr_duplicate(subject);
|
|
escape_shell_chars(tmp);
|
|
octstr_append(cmd, subject);
|
|
octstr_destroy(tmp);
|
|
break;
|
|
case 'm':
|
|
tmp = octstr_duplicate(msgid);
|
|
escape_shell_chars(tmp);
|
|
octstr_append(cmd, msgid);
|
|
octstr_destroy(tmp);
|
|
break;
|
|
case '%':
|
|
octstr_format_append(cmd, "%%");
|
|
break;
|
|
default:
|
|
octstr_format_append(cmd, "%%%c", sendmail_cmd[i+1]);
|
|
break;
|
|
}
|
|
i += 2;
|
|
}
|
|
|
|
|
|
debug("mms.sendtoemail", 0, "preparing to execute %s to send to email: ", octstr_get_cstr(cmd));
|
|
|
|
if ((f = popen(octstr_get_cstr(cmd), "w")) == NULL) {
|
|
*error = octstr_format("popen failed for %S: %d: %s",
|
|
cmd, errno, strerror(errno));
|
|
ret = MMS_SEND_ERROR_TRANSIENT;
|
|
goto done;
|
|
}
|
|
|
|
if (octstr_print(f, s) < 0) {
|
|
*error = octstr_format("send email failed in octstr_print %d: %s",
|
|
errno, strerror(errno));
|
|
pclose(f);
|
|
ret = MMS_SEND_ERROR_TRANSIENT;
|
|
goto done;
|
|
}
|
|
|
|
if ((ret = pclose(f)) != 0) {
|
|
*error = octstr_format("Send email command returned non-zero %d: errno=%s",
|
|
ret, strerror(errno));
|
|
ret = MMS_SEND_ERROR_TRANSIENT;
|
|
} else
|
|
ret = MMS_SEND_OK;
|
|
|
|
done:
|
|
octstr_destroy(cmd);
|
|
octstr_destroy(s);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* Send this message to email recipient. */
|
|
int mms_sendtoemail(Octstr *from, Octstr *to,
|
|
Octstr *subject, Octstr *msgid,
|
|
MmsMsg *msg, int dlr, Octstr **error, char *sendmail_cmd,
|
|
Octstr *myhostname,
|
|
int trans_msg,
|
|
int trans_smil, char *txt, char *html,
|
|
int append_hostname)
|
|
{
|
|
|
|
MIMEEntity *m = NULL;
|
|
|
|
List *newhdrs = http_create_empty_headers();
|
|
int ret;
|
|
|
|
if (!to ||
|
|
octstr_search_char(to, '@', 0) < 0) {
|
|
*error = octstr_format("Invalid email address %S!", to);
|
|
return MMS_SEND_ERROR_FATAL;
|
|
}
|
|
|
|
if (!trans_msg)
|
|
m = mms_tomime(msg,0);
|
|
else
|
|
if ((ret = mms_format_special(msg, trans_smil, txt, html, &m)) < 0 ||
|
|
m == NULL) {
|
|
warning(0, "MMS: send2email failed to format message (msg=%s,ret=%d)",
|
|
m ? "OK" : "Not transformed",ret);
|
|
return -ret;
|
|
}
|
|
|
|
base64_mimeparts(m); /* make sure parts are base64 formatted. */
|
|
|
|
/* Before we send it, we insert some email friendly headers if they are missing. */
|
|
http_header_add(newhdrs, "Subject", subject ? octstr_get_cstr(subject) : "MMS Message");
|
|
http_header_add(newhdrs, "From", octstr_get_cstr(from));
|
|
http_header_add(newhdrs, "To", octstr_get_cstr(to));
|
|
http_header_add(newhdrs, "Message-ID", msgid ? octstr_get_cstr(msgid) : "");
|
|
http_header_combine(newhdrs, m->headers);
|
|
http_destroy_headers(m->headers);
|
|
m->headers = newhdrs;
|
|
|
|
|
|
ret = send2email(to, from, subject, msgid, m, append_hostname, error, sendmail_cmd, myhostname);
|
|
mime_entity_destroy(m);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void mms_log2(char *logmsg, Octstr *from, Octstr *to,
|
|
int msize, Octstr *msgid,
|
|
Octstr *acct,
|
|
Octstr *viaproxy,
|
|
char *interface, Octstr *ua, Octstr *mmboxloc)
|
|
{
|
|
List *l;
|
|
if (to) {
|
|
l = list_create();
|
|
list_append(l, to);
|
|
} else
|
|
l = NULL;
|
|
|
|
mms_log(logmsg, from,l,msize,msgid,acct,viaproxy,interface,ua,mmboxloc);
|
|
|
|
if (l)
|
|
list_destroy(l, NULL);
|
|
}
|
|
|
|
void mms_log(char *logmsg, Octstr *from, List *to,
|
|
int msize, Octstr *msgid,
|
|
Octstr *acct,
|
|
Octstr *viaproxy,
|
|
char *interface, Octstr *ua, Octstr *mmboxloc)
|
|
{
|
|
Octstr *xto = octstr_create("");
|
|
int i, n = to ? list_len(to) : 0;
|
|
|
|
for (i = 0; i < n; i++)
|
|
octstr_format_append(xto,
|
|
"%s%S",
|
|
(i == 0) ? "" : ", ",
|
|
list_get(to,i));
|
|
|
|
alog("%s MMS [INT:%s] [ACT:%s] [MMSC:%s] [from:%s] [to:%s] [msgid:%s] [size=%d] [UA:%s] [MMBox:%s]",
|
|
logmsg, interface,
|
|
acct ? octstr_get_cstr(acct) : "",
|
|
viaproxy ? octstr_get_cstr(viaproxy) : "",
|
|
from ? octstr_get_cstr(from) : "",
|
|
octstr_get_cstr(xto),
|
|
msgid ? octstr_get_cstr(msgid) : "",
|
|
msize,
|
|
ua ? octstr_get_cstr(ua) : "",
|
|
mmboxloc ? octstr_get_cstr(mmboxloc) : "");
|
|
|
|
octstr_destroy(xto);
|
|
}
|
|
|
|
|
|
static int lockfile(int fd, int shouldblock)
|
|
{
|
|
int n, stop;
|
|
unsigned flg = shouldblock ? 0 : LOCK_NB;
|
|
|
|
do {
|
|
n = flock(fd, LOCK_EX|flg);
|
|
if (n < 0) {
|
|
if (errno == EINTR)
|
|
stop = 0;
|
|
else
|
|
stop = 1;
|
|
} else
|
|
stop = 1;
|
|
} while (!stop);
|
|
|
|
return (n == 0) ? 0 : errno;
|
|
}
|
|
|
|
static int check_lock(int fd, char *fname)
|
|
{
|
|
struct stat fs = {0}, ds = {0};
|
|
|
|
/* You might grab a lock on a file, but the file
|
|
* might be changed just before you grabbed the lock. Detect that and fail..
|
|
*/
|
|
if (fstat(fd, &ds) < 0 ||
|
|
stat(fname, &fs) < 0 ||
|
|
|
|
ds.st_nlink != fs.st_nlink ||
|
|
memcmp(&ds.st_dev,&fs.st_dev, sizeof ds.st_dev) != 0 ||
|
|
memcmp(&ds.st_ino,&fs.st_ino, sizeof ds.st_ino) != 0 ||
|
|
ds.st_uid != fs.st_uid ||
|
|
ds.st_gid != fs.st_gid ||
|
|
ds.st_size != fs.st_size)
|
|
return -1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
int mm_lockfile(int fd, char *fname, int shouldblock)
|
|
{
|
|
int ret = lockfile(fd,shouldblock);
|
|
|
|
if (ret != 0 ||
|
|
(ret = check_lock(fd,fname)) != 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
MIMEEntity *mime_entity_duplicate(MIMEEntity *m)
|
|
{
|
|
MIMEEntity *mx = gw_malloc(sizeof *mx);
|
|
|
|
mx->headers = http_header_duplicate(m->headers);
|
|
if (m->multiparts && list_len(m->multiparts) > 0) {
|
|
int i, n;
|
|
mx->multiparts = list_create();
|
|
for (i = 0, n = list_len(m->multiparts); i < n; i++) {
|
|
MIMEEntity *x = mime_entity_duplicate(list_get(m->multiparts, i));
|
|
list_append(mx->multiparts, x);
|
|
}
|
|
mx->body = NULL;
|
|
} else {
|
|
mx->body = m->body ? octstr_duplicate(m->body) : NULL;
|
|
mx->multiparts = NULL;
|
|
}
|
|
mx->start = NULL;
|
|
|
|
return mx;
|
|
}
|
|
|
|
void mms_collect_envdata_from_msgheaders(List *mh, List **xto,
|
|
Octstr **subject,
|
|
Octstr **otransid, time_t *expiryt,
|
|
time_t *deliveryt, long default_msgexpiry)
|
|
{
|
|
|
|
Octstr *s;
|
|
List *l = http_header_find_all(mh, "To");
|
|
if (l) {
|
|
int i, n;
|
|
for (i = 0, n = list_len(l); i<n; i++) {
|
|
Octstr *name, *value;
|
|
http_header_get(l, i, &name, &value);
|
|
list_append(*xto, value);
|
|
octstr_destroy(name);
|
|
|
|
}
|
|
http_destroy_headers(l);
|
|
}
|
|
|
|
l = http_header_find_all(mh, "Cc");
|
|
if (l) {
|
|
int i, n;
|
|
for (i = 0, n = list_len(l); i<n; i++) {
|
|
Octstr *name, *value;
|
|
http_header_get(l, i, &name, &value);
|
|
list_append(*xto, value);
|
|
octstr_destroy(name);
|
|
|
|
}
|
|
http_destroy_headers(l);
|
|
}
|
|
|
|
|
|
l = http_header_find_all(mh, "Bcc");
|
|
if (l) {
|
|
int i, n;
|
|
|
|
for (i = 0, n = list_len(l); i<n; i++) {
|
|
Octstr *name, *value;
|
|
http_header_get(l, i, &name, &value);
|
|
list_append(*xto, value);
|
|
octstr_destroy(name);
|
|
|
|
}
|
|
http_destroy_headers(l);
|
|
}
|
|
|
|
/* Find expiry and delivery times */
|
|
if (expiryt) {
|
|
s = http_header_value(mh, octstr_imm("X-Mms-Expiry"));
|
|
if (s) {
|
|
*expiryt = date_parse_http(s);
|
|
octstr_destroy(s);
|
|
} else
|
|
*expiryt = time(NULL) + default_msgexpiry;
|
|
}
|
|
|
|
if (deliveryt) {
|
|
s = http_header_value(mh, octstr_imm("X-Mms-Delivery-Time"));
|
|
if (s) {
|
|
*deliveryt = date_parse_http(s);
|
|
octstr_destroy(s);
|
|
} else
|
|
*deliveryt = 0;
|
|
}
|
|
if (subject)
|
|
*subject = http_header_value(mh, octstr_imm("Subject"));
|
|
|
|
if (otransid)
|
|
*otransid = http_header_value(mh, octstr_imm("X-Mms-Transaction-ID"));
|
|
|
|
}
|
|
|
|
unsigned long _mshash(char *s)
|
|
{
|
|
unsigned h = 0;
|
|
|
|
while (*s) {
|
|
unsigned int ch = tolower(*s);
|
|
s++;
|
|
h += ((unsigned)(ch) << 4) + 1249;
|
|
}
|
|
return h;
|
|
}
|
|
|
|
int isphonenum(Octstr *s)
|
|
{
|
|
int i = 0, n = octstr_len(s);
|
|
char *cs;
|
|
|
|
if (s && octstr_len(s) >= 1 &&
|
|
octstr_get_cstr(s)[0] == '+')
|
|
i++;
|
|
for ( cs = octstr_get_cstr(s); i<n; i++)
|
|
if (!gw_isdigit(cs[i]))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/* Doesn't handle IP addresses. */
|
|
void _mms_fixup_address(Octstr *address)
|
|
{
|
|
int i;
|
|
|
|
|
|
if (!address) return;
|
|
i = octstr_search_char(address, '@', 0);
|
|
if (i>0)
|
|
return;
|
|
|
|
i = octstr_search(address, octstr_imm("/TYPE="), 0);
|
|
if (i > 0)
|
|
return;
|
|
|
|
if (isphonenum(address))
|
|
octstr_append(address, octstr_imm("/TYPE=PLMN"));
|
|
else
|
|
octstr_append(address, octstr_imm("@unknown"));
|
|
}
|
|
|
|
/* compare, reversed result! */
|
|
static int comp_fn(void *item, void *pattern)
|
|
{
|
|
return (octstr_case_compare(item, pattern) == 0) ? 1 : 0;
|
|
}
|
|
int is_allowed_host(Octstr *host, Octstr *host_list)
|
|
{
|
|
List *l;
|
|
int ret;
|
|
gw_assert(host_list);
|
|
gw_assert(host);
|
|
|
|
l = octstr_split(host_list, octstr_imm(";"));
|
|
|
|
ret = (list_search(l, host, comp_fn) != NULL) ? 1 : 0;
|
|
|
|
list_destroy(l, (void *)octstr_destroy);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define SHELLCHARS "'|\"()[]{}$&!?*><%`\n \t\\"
|
|
void escape_shell_chars(Octstr *str)
|
|
{
|
|
Octstr *tmp;
|
|
int i, n;
|
|
|
|
octstr_strip_blanks(str);
|
|
|
|
tmp = octstr_duplicate(str);
|
|
octstr_delete(str, 0, octstr_len(str));
|
|
|
|
for (i = 0, n = octstr_len(tmp); i < n; i++) {
|
|
int ch = octstr_get_char(tmp,i);
|
|
|
|
if (strchr(SHELLCHARS, ch) != NULL)
|
|
octstr_append_char(str, '\\');
|
|
octstr_append_char(str, ch);
|
|
}
|
|
octstr_destroy(tmp);
|
|
}
|
|
|
|
int parse_cgivars(List *request_headers, Octstr *request_body,
|
|
List **cgivars, List **cgivar_ctypes)
|
|
{
|
|
Octstr *ctype = NULL, *charset = NULL;
|
|
int ret = 0;
|
|
|
|
if (request_body == NULL ||
|
|
octstr_len(request_body) == 0 || cgivars == NULL)
|
|
return 0; /* Nothing to do, this is a normal GET request. */
|
|
|
|
http_header_get_content_type(request_headers, &ctype, &charset);
|
|
|
|
if (*cgivars == NULL)
|
|
*cgivars = list_create();
|
|
|
|
if (*cgivar_ctypes == NULL)
|
|
*cgivar_ctypes = list_create();
|
|
|
|
if (!ctype) {
|
|
warning(0, "MMS: Parse CGI Vars: Missing Content Type!");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (octstr_case_compare(ctype, octstr_imm("application/x-www-form-urlencoded")) == 0) {
|
|
/* This is a normal POST form */
|
|
List *l = octstr_split(request_body, octstr_imm("&"));
|
|
Octstr *v;
|
|
|
|
while ((v = list_extract_first(l)) != NULL) {
|
|
List *r = octstr_split(v, octstr_imm("="));
|
|
|
|
if (list_len(r) == 0)
|
|
warning(0, "MMS: Parse CGI Vars: Missing CGI var name/value in POST data: %s",
|
|
octstr_get_cstr(request_body));
|
|
else {
|
|
HTTPCGIVar *x = gw_malloc(sizeof *x);
|
|
x->name = list_extract_first(r);
|
|
x->value = list_extract_first(r);
|
|
if (!x->value)
|
|
x->value = octstr_imm("");
|
|
|
|
octstr_strip_blanks(x->name);
|
|
octstr_strip_blanks(x->value);
|
|
|
|
octstr_url_decode(x->name);
|
|
octstr_url_decode(x->value);
|
|
|
|
list_append(*cgivars, x);
|
|
}
|
|
octstr_destroy(v);
|
|
list_destroy(r, octstr_destroy_item);
|
|
}
|
|
list_destroy(l, NULL);
|
|
} else if (octstr_case_compare(ctype, octstr_imm("multipart/form-data")) == 0) {
|
|
/* multi-part form data */
|
|
MIMEEntity *m = mime_http_to_entity(request_headers, request_body);
|
|
int i, n;
|
|
|
|
if (!m) {
|
|
warning(0, "MMS: Parse CGI Vars: Failed to parse multipart/form-data body: %s",
|
|
octstr_get_cstr(request_body));
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
/* Go through body parts, pick out what we need. */
|
|
for (i = 0, n = list_len(m->multiparts); i < n; i++) {
|
|
MIMEEntity *mp = list_get(m->multiparts, i);
|
|
Octstr *cd = http_header_value(mp->headers, octstr_imm("Content-Disposition"));
|
|
Octstr *name = http_get_header_parameter(cd, octstr_imm("name"));
|
|
Octstr *ct = NULL, *ch = NULL;
|
|
|
|
http_header_get_content_type(mp->headers, &ct, &ch);
|
|
|
|
if (name) {
|
|
HTTPCGIVar *x = gw_malloc(sizeof *x);
|
|
|
|
/* Strip quotes */
|
|
if (octstr_get_char(name, 0) == '"') {
|
|
octstr_delete(name, 0, 1);
|
|
octstr_truncate(name, octstr_len(name) - 1);
|
|
}
|
|
|
|
x->name = octstr_duplicate(name);
|
|
x->value = octstr_duplicate(mp->body);
|
|
|
|
list_append(*cgivars, x);
|
|
|
|
if (ct) { /* If the content type is set, use it. */
|
|
x = gw_malloc(sizeof *x);
|
|
x->name = octstr_duplicate(name);
|
|
x->value = octstr_duplicate(ct);
|
|
|
|
list_append(*cgivar_ctypes, x);
|
|
}
|
|
octstr_destroy(name);
|
|
}
|
|
if (ch)
|
|
octstr_destroy(ch);
|
|
if (ct)
|
|
octstr_destroy(ct);
|
|
|
|
if (cd)
|
|
octstr_destroy(cd);
|
|
}
|
|
mime_entity_destroy(m);
|
|
|
|
} else /* else it is nothing that we know about, so simply go away... */
|
|
ret = -1;
|
|
done:
|
|
if (ctype)
|
|
octstr_destroy(ctype);
|
|
if (charset)
|
|
octstr_destroy(charset);
|
|
return ret;
|
|
}
|