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mbuni/mbuni/mmlib/mms_util.c

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/*
* Mbuni - Open Source MMS Gateway
*
* Misc. functions
*
* Copyright (C) 2003 - 2008, Digital Solutions Ltd. - http://www.dsmagic.com
*
* Paul Bagyenda <bagyenda@dsmagic.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License, with a few exceptions granted (see LICENSE)
*/
#include <sys/file.h>
#include <ctype.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <errno.h>
#include <dlfcn.h>
#include <strings.h>
#ifdef SunOS
#include <fcntl.h>
#include <pthread.h>
#include <sys/types.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "mms_util.h"
#include "mms_queue.h"
#include "mms_uaprof.h"
static int smtp_send(char *relay_host, int port, Octstr *from, List *to, Octstr *msg);
Octstr *_mms_cfg_getx(mCfg *cfg, mCfgGrp *grp, Octstr *item)
{
Octstr *v = mms_cfg_get(cfg, grp, item);
void *x = v ? v : octstr_create("");
return x;
}
int mms_load_core_settings(mCfg *cfg, mCfgGrp *cgrp)
{
Octstr *log, *alog;
Octstr *http_proxy_host;
Octstr *our_interface;
long loglevel = 0;
if (cgrp == NULL)
panic(0,"Missing required group `core' in config file!");
if (mms_cfg_get_int(cfg, cgrp, octstr_imm("log-level"), &loglevel) == -1)
loglevel = 0;
/* Set the log file. */
log = mms_cfg_get(cfg, cgrp, octstr_imm("log-file"));
if (log != NULL) {
log_open(octstr_get_cstr(log), loglevel, GW_NON_EXCL);
octstr_destroy(log);
}
log_set_output_level(loglevel);
/* Get access log and open it. */
alog = mms_cfg_get(cfg, cgrp, octstr_imm("access-log"));
if (alog) {
alog_open(octstr_get_cstr(alog), 1, 1);
octstr_destroy(alog);
}
if ((our_interface = mms_cfg_get(cfg, cgrp, octstr_imm("http-interface-name"))) != NULL) {
http_set_interface(our_interface);
octstr_destroy(our_interface);
}
/* look for http proxy. If set, use it. */
if ((http_proxy_host = mms_cfg_get(cfg, cgrp, octstr_imm("http-proxy-host"))) != NULL) {
Octstr *username = mms_cfg_get(cfg, cgrp,
octstr_imm("http-proxy-username"));
Octstr *password = mms_cfg_get(cfg, cgrp,
octstr_imm("http-proxy-password"));
List *exceptions = mms_cfg_get_list(cfg, cgrp,
octstr_imm("http-proxy-exceptions"));
Octstr *except_regex = mms_cfg_get(cfg, cgrp,
octstr_imm("http-proxy-exceptions-regex"));
long http_proxy_port = -1;
mms_cfg_get_int(cfg, cgrp, octstr_imm("http-proxy-port"), &http_proxy_port);
if (http_proxy_port > 0)
http_use_proxy(http_proxy_host, http_proxy_port, 0,
exceptions, username, password, except_regex);
octstr_destroy(http_proxy_host);
octstr_destroy(username);
octstr_destroy(password);
octstr_destroy(except_regex);
gwlist_destroy(exceptions, octstr_destroy_item);
}
#ifdef HAVE_LIBSSL
/* We expect that gwlib_init() has been called already, so only need
* to setup cert files.
* -- adapted from gwlib/conn.c
*/
{
Octstr *ssl_client_certkey_file = NULL;
Octstr *ssl_server_cert_file = NULL;
Octstr *ssl_server_key_file = NULL;
Octstr *ssl_trusted_ca_file = NULL;
/*
* check if SSL is desired for HTTP servers and then
* load SSL client and SSL server public certificates
* and private keys
*/
ssl_client_certkey_file = mms_cfg_get(cfg, cgrp, octstr_imm("ssl-client-certkey-file"));
if (ssl_client_certkey_file != NULL)
use_global_client_certkey_file(ssl_client_certkey_file);
ssl_server_cert_file = mms_cfg_get(cfg, cgrp, octstr_imm("ssl-server-cert-file"));
ssl_server_key_file = mms_cfg_get(cfg, cgrp, octstr_imm("ssl-server-key-file"));
if (ssl_server_cert_file != NULL && ssl_server_key_file != NULL)
use_global_server_certkey_file(ssl_server_cert_file,
ssl_server_key_file);
ssl_trusted_ca_file = mms_cfg_get(cfg, cgrp, octstr_imm("ssl-trusted-ca-file"));
use_global_trusted_ca_file(ssl_trusted_ca_file);
octstr_destroy(ssl_client_certkey_file);
octstr_destroy(ssl_server_cert_file);
octstr_destroy(ssl_server_key_file);
octstr_destroy(ssl_trusted_ca_file);
}
#endif
return 0;
}
Octstr *mms_maketransid(char *qf, Octstr *mmscname)
{
Octstr *res;
Octstr *x, *y = NULL;
static int ct;
if (!qf)
x = octstr_format("msg.%ld.x%d.%d.%d",
(long)time(NULL) % 10000, (++ct % 1000), getpid()%100, random()%100);
else
x = octstr_create(qf);
res = octstr_format("%S-%S", mmscname, x);
octstr_destroy(x);
octstr_destroy(y);
return res;
}
Octstr *mms_make_msgid(char *qf, Octstr *mmscname)
{/* Message ID is a little differently done. */
Octstr *res;
Octstr *x, *y = NULL;
static int ct;
if (!qf)
x = octstr_format("msg.%ld.x%d.%d.%d",
(long)time(NULL) % 10000, (++ct % 1000), getpid()%100, random()%100);
else
x = octstr_create(qf);
if (mmscname)
res = octstr_format("%S@%S", x,mmscname);
else
res = octstr_duplicate(x);
octstr_destroy(x);
octstr_destroy(y);
return res;
}
extern Octstr *mms_getqf_fromtransid(Octstr *transid)
{
int i;
if (transid == NULL)
return NULL;
i = octstr_search_char(transid, '-', 0);
if (i < 0)
i = octstr_search_char(transid, '@', 0); /* XXX backward compartibility. */
return (i >= 0) ? octstr_copy(transid, i+1, octstr_len(transid)) : octstr_duplicate(transid);
}
extern Octstr *mms_getqf_from_msgid(Octstr *msgid)
{
int i;
if (msgid == NULL)
return NULL;
if ((i = octstr_search_char(msgid, '@', 0)) > 0)
return octstr_copy(msgid, 0, i);
else
return mms_getqf_fromtransid(msgid); /* For older ones where transid = msgid. */
}
Octstr *mms_isodate(time_t t)
{
Octstr *current_time;
struct tm now;
now = gw_gmtime(t);
current_time = octstr_format("%04d-%02d-%02dT%02d:%02d:%02dZ",
now.tm_year + 1900, now.tm_mon + 1,
now.tm_mday, now.tm_hour, now.tm_min,
now.tm_sec);
return current_time;
}
void mms_lib_init(void)
{
srandom(time(NULL)); /* Seed random number generator. */
gwlib_init();
mms_strings_init();
}
void mms_lib_shutdown(void)
{
mms_strings_shutdown();
gwlib_shutdown();
}
void strip_quotes(Octstr *s)
{
int l = s ? octstr_len(s) : 0;
if (l == 0)
return;
if (octstr_get_char(s, 0) == '"') {
octstr_delete(s, 0, 1);
l--;
}
if (octstr_get_char(s, l-1) == '"')
octstr_delete(s, l-1, 1);
}
List *get_value_parameters(Octstr *params)
{
int i,n, k = 0;
List *h = http_create_empty_headers();
Octstr *xparams = octstr_duplicate(params);
octstr_format_append(xparams, ";"); /* So parsing is easier. (aka cheap hack) */
for (i = 0, n = octstr_len(xparams); i < n; i++) {
int c = octstr_get_char(xparams, i);
if (c == ';') {
int j = octstr_search_char(xparams, '=', k);
Octstr *name, *value;
if (j > 0 && j < i) {
name = octstr_copy(xparams, k, j - k);
value = octstr_copy(xparams, j+1,i-j-1);
octstr_strip_blanks(name);
octstr_strip_blanks(value);
strip_quotes(value);
if (octstr_len(name) > 0)
http_header_add(h,
octstr_get_cstr(name),
octstr_get_cstr(value));
octstr_destroy(name);
octstr_destroy(value);
}
k = i + 1;
} else if (c == '"')
i += http_header_quoted_string_len(xparams, i) - 1;
}
octstr_destroy(xparams);
return h;
}
int split_header_value(Octstr *value, Octstr **base_value, Octstr **params)
{
int i, n;
for (i = 0, n = octstr_len(value); i < n; i++) {
int c = octstr_get_char(value, i);
if (c == ';')
break;
else if (c == '"')
i += http_header_quoted_string_len(value, i) - 1;
}
*base_value = octstr_duplicate(value);
if (i < n) {
*params = octstr_copy(value, i+1, octstr_len(value));
octstr_delete(*base_value, i, octstr_len(*base_value));
} else
*params = octstr_create("");
return 0;
}
int get_content_type(List *hdrs, Octstr **type, Octstr **params)
{
Octstr *v;
v = http_header_find_first(hdrs, "Content-Type");
*params =NULL;
if (!v) {
*type = octstr_create("application/octet-stream");
*params = octstr_create("");
return -1;
}
split_header_value(v, type, params);
octstr_destroy(v);
return 0;
}
static int is_mime_special_char(int ch)
{
const char *x = "=;<>[]?()@:\\/,";
char *p;
for (p = (char *)x; *p; p++)
if (ch == *p)
return 1;
return 0;
}
static int needs_quotes(Octstr *s)
{
int i, n;
if (!s)
return 0;
for (i = 0, n = octstr_len(s); i<n; i++) {
int ch = octstr_get_char(s,i);
if (isspace(ch) || is_mime_special_char(ch))
return 1;
}
return 0;
}
Octstr *make_value_parameters(List *params)
{
Octstr *s = octstr_create(""), *name, *value;
int i, n;
for (i = 0, n = params ? gwlist_len(params) : 0; i<n; i++) {
int space;
http_header_get(params, i, &name, &value);
space = needs_quotes(value);
octstr_format_append(s, "%s%S=%s%S%s",
(i==0) ? "" : "; ",
name,
(space) ? "\"" : "",
value,
(space) ? "\"" : "");
octstr_destroy(name);
octstr_destroy(value);
}
return s;
}
/* Take each header with a comma separated set of values (for To,Cc,Bcc),
* re-create as a series of header/value pairs.
* Remove all non-conformant headers (e.g. old unix-style from
*/
void unpack_mimeheaders(MIMEEntity *mm)
{
int i, n;
List *h = http_create_empty_headers();
List *headers = mime_entity_headers(mm);
for (i = 0, n = gwlist_len(headers); i<n; i++) {
Octstr *header = NULL, *value = NULL;
List *l = NULL;
int j, m;
int skip;
http_header_get(headers, i, &header, &value);
if (header == NULL ||
octstr_str_compare(header, "X-Unknown") == 0 ||
octstr_search_chars(header, octstr_imm(" \n\t"), 0) >= 0) /* Don't allow space in the name. */
goto loop;
if (octstr_case_compare(header, octstr_imm("Cc")) == 0 ||
octstr_case_compare(header, octstr_imm("To")) == 0 ||
octstr_case_compare(header, octstr_imm("Bcc")) == 0)
skip = 0;
else
skip = 1;
/* XXX This may not be safe. Need to skip over quotes. */
if (!skip && octstr_search_char(value, ',', 0) > 0 &&
(l = http_header_split_value(value)) != NULL &&
gwlist_len(l) > 1)
for (j = 0, m = gwlist_len(l); j<m; j++)
http_header_add(h, octstr_get_cstr(header),
octstr_get_cstr(gwlist_get(l, j)));
else
http_header_add(h, octstr_get_cstr(header),
octstr_get_cstr(value));
if (l) gwlist_destroy(l, (gwlist_item_destructor_t *)octstr_destroy);
loop:
octstr_destroy(header);
octstr_destroy(value);
}
mime_replace_headers(mm, h);
http_destroy_headers(headers);
http_destroy_headers(h);
}
/* Undo base64 content coding for mime entities that need it. */
void unbase64_mimeparts(MIMEEntity *m)
{
int i, n;
if ((n = mime_entity_num_parts(m)) > 0)
for (i = 0; i<n; i++) {
MIMEEntity *x = mime_entity_get_part(m, i);
unbase64_mimeparts(x);
mime_entity_replace_part(m, i, x);
mime_entity_destroy(x);
}
else { /* A non-multipart message .*/
List *headers = mime_entity_headers(m);
Octstr *ctype = http_header_value(headers, octstr_imm("Content-Type"));
Octstr *te = http_header_value(headers, octstr_imm("Content-Transfer-Encoding"));
if (DRM_CONTENT_TYPE(ctype))
goto done; /* leave it alone! */
if (ctype && te &&
octstr_case_compare(te,octstr_imm("base64")) == 0) {
Octstr *s = mime_entity_body(m);
if (s) {
octstr_base64_to_binary(s);
mime_entity_set_body(m, s);
octstr_destroy(s);
}
}
if (headers) {
http_header_remove_all(headers, "Content-Transfer-Encoding"); /* Remove it in all cases (?).*/
mime_replace_headers(m, headers);
}
done:
/* XXX may be we should deal with other transfer encodings here as well... */
octstr_destroy(ctype);
octstr_destroy(te);
http_destroy_headers(headers);
}
}
int _mms_gw_isprint(int c)
{
return isprint(c) || isspace(c);
}
/* Change content coding for mime entities that need it. */
void base64_mimeparts(MIMEEntity *m, int all)
{
int i, n;
if ((n = mime_entity_num_parts(m)) > 0)
for (i = 0; i<n; i++) {
MIMEEntity *x = mime_entity_get_part(m, i);
base64_mimeparts(x, all);
mime_entity_replace_part(m, i, x);
mime_entity_destroy(x);
}
else { /* A non-multipart message .*/
List *headers = mime_entity_headers(m);
Octstr *ctype = http_header_value(headers, octstr_imm("Content-Type"));
Octstr *te = http_header_value(headers, octstr_imm("Content-Transfer-Encoding"));
Octstr *body = mime_entity_body(m);
if (ctype &&
(te == NULL || octstr_str_case_compare(te, "binary") == 0) &&
body &&
(all || octstr_check_range(body, 0, octstr_len(body), _mms_gw_isprint) == 0) &&
!DRM_CONTENT_TYPE(ctype)) { /* don't touch drm content object. */
octstr_binary_to_base64(body);
http_header_remove_all(headers, "Content-Transfer-Encoding");
http_header_add(headers, "Content-Transfer-Encoding", "base64");
mime_entity_set_body(m, body);
mime_replace_headers(m, headers);
}
octstr_destroy(ctype);
octstr_destroy(te);
octstr_destroy(body);
http_destroy_headers(headers);
}
}
void addmmscname(Octstr *s, char *myhostname)
{
int j;
int len = octstr_len(s);
if (octstr_search_char(s, '@', 0) >= 0)
return; /* Nothing to do. */
j = octstr_case_search(s, octstr_imm("/TYPE=PLMN"), 0);
if (j > 0 && j - 1 + sizeof "/TYPE=PLMN" == len) /* A proper number. */
octstr_format_append(s, "@%s", myhostname);
}
static int send2email(List *xto, Octstr *from, Octstr *subject,
Octstr *msgid,
MIMEEntity *m, int append_hostname, Octstr **error,
char *sendmail_cmd, Octstr *myhostname,
Octstr *relay_host, int relay_port)
{
Octstr *s;
FILE *f;
int ret = MMS_SEND_OK, i, n, fd = -1;
char fname[] = "/tmp/mms.XXXXXX";
Octstr *cmd = octstr_create("");
List *headers = mime_entity_headers(m); /* we don't want the mime version header removed. */
Octstr *to = NULL;
/* Make to address */
if (append_hostname) { /* Add our hostname to all phone numbers. */
List *l = http_create_empty_headers();
Octstr *xfrom = http_header_value(headers, octstr_imm("From"));
List *lto = http_header_find_all(headers, "To");
List *lcc = http_header_find_all(headers, "Cc");
if (xfrom) {
addmmscname(xfrom, octstr_get_cstr(myhostname));
http_header_add(l, "From", octstr_get_cstr(xfrom));
octstr_destroy(xfrom);
}
http_header_remove_all(headers, "From");
for (i = 0, n = gwlist_len(lto); i < n; i++) {
Octstr *name, *value;
http_header_get(lto, i, &name, &value);
if (!value || !name ||
octstr_case_compare(name, octstr_imm("To")) != 0)
goto loop;
addmmscname(value, octstr_get_cstr(myhostname));
http_header_add(l, "To", octstr_get_cstr(value));
loop:
octstr_destroy(value);
octstr_destroy(name);
}
http_destroy_headers(lto);
http_header_remove_all(headers, "To");
for (i = 0, n = gwlist_len(lcc); i < n; i++) {
Octstr *name, *value;
http_header_get(lcc, i, &name, &value);
if (!value || !name ||
octstr_case_compare(name, octstr_imm("Cc")) != 0)
goto loop2;
addmmscname(value, octstr_get_cstr(myhostname));
http_header_add(l, "Cc", octstr_get_cstr(value));
loop2:
octstr_destroy(value);
octstr_destroy(name);
}
http_destroy_headers(lcc);
http_header_remove_all(headers, "Cc");
http_append_headers(headers, l); /* combine old with new. */
http_destroy_headers(l);
}
/* Pack headers, get string rep of mime entity. */
http_header_pack(headers);
mime_replace_headers(m, headers);
s = mime_entity_to_octstr(m);
if (relay_host && relay_port > 0) {
ret = smtp_send(octstr_get_cstr(relay_host), relay_port, from, xto, s);
goto done;
}
/*
* Make the command: Transpose % formatting characters:
* f - from address
* t - recipient
* s - subject
* m - message id
*/
LINEARISE_STR_LIST(to,xto," ");
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, octstr_get_cstr(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;
}
if ((fd = mkstemp(fname)) < 0) {
*error = octstr_format("mkstemp: Failed to create temporary file: %s",
strerror(errno));
ret = MMS_SEND_ERROR_TRANSIENT;
goto done;
}
if ((f = fopen(fname, "w")) == NULL) {
*error = octstr_format("fopen failed for %s: %s",
fname, strerror(errno));
ret = MMS_SEND_ERROR_TRANSIENT;
goto done;
}
if (octstr_print(f, s) < 0) {
*error = octstr_format("send email failed in write temp file %d: %s",
errno, strerror(errno));
fclose(f);
ret = MMS_SEND_ERROR_TRANSIENT;
goto done;
} else
fclose(f);
octstr_format_append(cmd, " < '%s'", fname);
debug("mms.sendtoemail", 0, "preparing to execute %s to send to email: ", octstr_get_cstr(cmd));
if (system(octstr_get_cstr(cmd)) != 0) {
*error = octstr_format("system(%S) failed: %d: %s",
cmd, errno, strerror(errno));
ret = MMS_SEND_ERROR_TRANSIENT;
goto done;
} else
ret = MMS_SEND_QUEUED;
done:
if (fd >= 0) {
close(fd);
unlink(fname);
}
http_destroy_headers(headers);
octstr_destroy(cmd);
octstr_destroy(s);
octstr_destroy(to);
return ret;
}
static int smtp_send(char *relay_host, int port, Octstr *from, List *to, Octstr *msg)
{
int fd = tcpip_connect_to_server(relay_host, port, NULL);
Connection *c;
Octstr *l;
List *xl;
int i, ret = -1, code;
char tbuf[512];
if (fd < 0 || (c = conn_wrap_fd(fd,0)) == NULL)
return -1;
socket_set_blocking(fd,1); /* Because we want each line as it comes */
l = conn_read_line(c); /* Get greeting. */
if (l == NULL)
goto done;
tbuf[0] = 0;
sscanf(octstr_get_cstr(l), "%*d %128s", tbuf);
octstr_destroy(l);
#define SANDC(fmt,arg,val,cont) do { \
Octstr *y, *x = octstr_format(fmt,arg); \
conn_write(c,x); \
octstr_destroy(x); \
if ((y = conn_read_line(c)) == NULL) \
goto done; \
sscanf(octstr_get_cstr(y), "%d", &code); \
octstr_destroy(y); \
if (code != (val) && !(cont)) \
goto done; \
} while (0) \
SANDC("HELO %s\r\n", tbuf, 250,0);
SANDC("MAIL FROM:<%S>\r\n", from, 250,0);
for (i = 0; i<gwlist_len(to); i++) {
Octstr *xto = gwlist_get(to, i);
SANDC("RCPT TO:<%S>\r\n", xto, 250, 1);
if (code == 250) {
octstr_destroy(xto); /* Sent */
gwlist_delete(to, i, 1);
i--;
}
}
SANDC("DATA\r\n", 0, 354, 0);
xl = octstr_split(msg, octstr_imm("\n"));
while ((l = gwlist_extract_first(xl)) != NULL) {
if (octstr_get_char(l, 0) == '.')
octstr_insert_char(l, 0, '.');
if (octstr_get_char(l, octstr_len(l) - 1) != '\r')
octstr_append_char(l, '\r');
octstr_append_char(l, '\n');
conn_write(c, l);
octstr_destroy(l);
}
gwlist_destroy(xl, NULL);
SANDC(".\r\n", 0, 250, 0);
conn_write(c, octstr_imm("QUIT\r\n"));
ret = 0;
done:
conn_destroy(c);
return ret;
}
int mm_send_to_email(Octstr *to, Octstr *from, Octstr *subject,
Octstr *msgid,
MIMEEntity *m, int append_hostname, Octstr **error,
char *sendmail_cmd, Octstr *myhostname,
Octstr *relay_host, int relay_port)
{
List *lto = gwlist_create_ex(to);
int ret = send2email(lto,from,subject,msgid,m,append_hostname,error,sendmail_cmd,myhostname, relay_host, relay_port);
gwlist_destroy(lto, NULL);
return ret;
}
/* Send this message to email recipient. */
int mms_sendtoemail(Octstr *from, List *lto,
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 mm4,
char *transid,
List *extra_headers,
Octstr *relay_host, int relay_port)
{
MIMEEntity *m = NULL;
List *headers = NULL;
List *newhdrs = http_create_empty_headers();
int ret = 0, mtype;
Octstr *to;
gw_assert(msg);
mtype = mms_messagetype(msg);
/* Make 'to' header field in case we need it. */
LINEARISE_STR_LIST(to, lto, ", ");
if (!to ||
octstr_search_char(to, '@', 0) < 0) {
*error = octstr_format("Invalid email address %S!", to);
octstr_destroy(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) {
mms_warning(0, "send2email", NULL, "Failed to format message (msg=%s,ret=%d)",
m ? "OK" : "Not transformed",ret);
octstr_destroy(to);
return -ret;
}
base64_mimeparts(m,0); /* make sure parts are base64 formatted. */
if (extra_headers) /* add any other headers into the mix. */
http_header_combine(newhdrs, extra_headers);
headers = mime_entity_headers(m);
/* Before we send it, we insert some email friendly headers if they are missing. */
if (!mm4) {
http_header_add(newhdrs, "Subject", subject ? octstr_get_cstr(subject) : "MMS Message");
http_header_remove_all(headers, "From");
http_header_add(newhdrs, "From", octstr_get_cstr(from));
#if 0 /* Should we reveal recipients ?? */
http_header_remove_all(headers, "To");
http_header_add(newhdrs, "To", octstr_get_cstr(to));
#endif
http_header_add(newhdrs, "Message-ID", msgid ? octstr_get_cstr(msgid) : "");
http_header_add(newhdrs, "MIME-Version", "1.0");
} else {
char *x, tmp[32];
Octstr *xsender = octstr_format("system-user@%S", myhostname);
Octstr *y;
if (msgid) {
y = (octstr_get_char(msgid, 0) == '"') ? octstr_duplicate(msgid) :
octstr_format("\"%S\"", msgid);
http_header_add(newhdrs, "X-Mms-Message-ID", octstr_get_cstr(y));
octstr_destroy(y);
}
/* fixup messageid */
if ((y = http_header_value(headers, octstr_imm("Message-ID"))) != NULL) {
if (octstr_get_char(y, 0) != '<') {
octstr_insert_char(y, 0, '<');
octstr_append_char(y, '>');
}
http_header_remove_all(headers, "Message-ID");
http_header_add(newhdrs, "Message-ID", octstr_get_cstr(y));
octstr_destroy(y);
}
sprintf(tmp, "%d.%d.%d",
MAJOR_VERSION(MMS_3GPP_VERSION),
MINOR1_VERSION(MMS_3GPP_VERSION),
MINOR2_VERSION(MMS_3GPP_VERSION));
http_header_add(newhdrs, "X-Mms-3GPP-MMS-Version", tmp);
http_header_add(newhdrs, "X-Mms-Originator-System",
octstr_get_cstr(xsender));
http_header_remove_all(headers, "X-Mms-Message-Type");
if (mtype == MMS_MSGTYPE_SEND_REQ ||
mtype == MMS_MSGTYPE_RETRIEVE_CONF)
x = "MM4_forward.REQ";
else if (mtype == MMS_MSGTYPE_DELIVERY_IND) {
Octstr *s = http_header_value(headers, octstr_imm("X-Mms-Status"));
x = "MM4_delivery_report.REQ";
#if 0
/* insert FROM address as recipient as per spec */
http_header_add(newhdrs, "From", octstr_get_cstr(to));
#else
http_header_add(newhdrs, "To", octstr_get_cstr(to));
#endif
/* rename status header. */
http_header_remove_all(headers, "X-Mms-Status");
http_header_add(newhdrs, "X-Mms-MM-Status-Code",
s ? octstr_get_cstr(s) : "Unrecognised");
if (!s)
mms_warning(0, NULL, NULL, "MMS Delivery report with missing Status!");
octstr_destroy(s);
} else if (mtype == MMS_MSGTYPE_READ_REC_IND) {
x = "MM4_read_reply_report.REQ";
#if 0
/* insert FROM address as recipient as per spec */
http_header_add(newhdrs, "From", octstr_get_cstr(to));
#else
http_header_add(newhdrs, "To", octstr_get_cstr(to));
#endif
} else {
*error = octstr_format("Invalid message type %s on MM4 outgoing interface!",
mms_message_type_to_cstr(mtype));
x = "";
ret = MMS_SEND_ERROR_FATAL;
goto done;
}
http_header_add(newhdrs, "X-Mms-Message-Type", x);
/* Add a few more MM4 headers. */
http_header_add(newhdrs, "X-Mms-Ack-Request", dlr ? "Yes" : "No");
http_header_add(newhdrs, "Sender", octstr_get_cstr(from));
y = (transid && transid[0] == '"') ? octstr_create(transid) :
octstr_format("\"%s\"", transid ? transid : "x");
http_header_add(newhdrs, "X-Mms-Transaction-ID", octstr_get_cstr(y));
octstr_destroy(y);
octstr_destroy(xsender);
}
http_header_combine(headers, newhdrs);
mime_replace_headers(m, headers);
done:
http_destroy_headers(headers);
http_destroy_headers(newhdrs);
octstr_destroy(to);
if (ret == 0)
ret = send2email(lto,
from, subject, msgid, m, mm4 == 0, error, sendmail_cmd, myhostname, relay_host, relay_port);
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 = gwlist_create();
gwlist_append(l, to);
} else
l = NULL;
mms_log(logmsg, from,l,msize,msgid,acct,viaproxy,interface,ua,mmboxloc);
if (l)
gwlist_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 ? gwlist_len(to) : 0;
Octstr *xfrom = from ? octstr_duplicate(from) : NULL;
int j = xfrom ? octstr_case_search(xfrom, octstr_imm("/TYPE=PLMN"), 0) : -1;
if (j >= 0)
octstr_delete(xfrom, j, octstr_len(xfrom));
for (i = 0; i < n; i++) {
void *y;
Octstr *x = (y = gwlist_get(to,i)) ? octstr_duplicate(y) : NULL;
int j = x ? octstr_case_search(x, octstr_imm("/TYPE=PLMN"), 0) : -1;
if (j >= 0)
octstr_delete(x, j, octstr_len(x));
octstr_format_append(xto,
"%s%S",
(i == 0) ? "" : ", ",
x);
octstr_destroy(x);
}
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) : "",
xfrom ? octstr_get_cstr(xfrom) : "",
octstr_get_cstr(xto),
msgid ? octstr_get_cstr(msgid) : "",
msize,
ua ? octstr_get_cstr(ua) : "",
mmboxloc ? octstr_get_cstr(mmboxloc) : "");
octstr_destroy(xto);
octstr_destroy(xfrom);
}
/* Compare a file_lock(lhs) to the file_key(rhs)
* and see if they match
*/
int file_lock_inode_cmp(void *_lhs, void *_rhs);
/* Each file gets a condition, there is only a single file_loc
for each inode number. Assumes a uni
*/
typedef struct {
dev_t dev;
ino_t inode;
} file_key;
typedef struct {
file_key key;
pthread_cond_t condition;
int fd;
} file_lock;
static List *openFileList = NULL;
static pthread_mutex_t listMutex = PTHREAD_MUTEX_INITIALIZER;
void release_file_lock(int fd, file_key *key)
{
debug("mm_util",0,"----->Locked");
pthread_mutex_lock(&listMutex);
if (openFileList == NULL) {
openFileList = (List *)gwlist_create();
}
file_lock *item = (file_lock*)gwlist_search(openFileList, key, file_lock_inode_cmp);
if (item && item->fd == fd) {
/* we own the lock */
gwlist_delete_equal(openFileList, item);
pthread_cond_broadcast(&item->condition);
pthread_cond_destroy(&item->condition);
gw_free(item);
}
debug("mm_util",0,"<-----UnLocked");
pthread_mutex_unlock(&listMutex);
}
int unlock_and_close(int fd)
{
#ifdef SunOS
struct stat buf;
if (fstat(fd, &buf)) {
perror("Unable to fstat file for lock");
return close(fd);
}
file_key key;
key.inode = buf.st_ino;
key.dev = buf.st_dev;
release_file_lock(fd, &key);
#endif
return close(fd);
}
int unlock_and_fclose(FILE *fp)
{
#ifdef SunOS
int fd = fileno(fp);
struct stat buf;
if (fstat(fd, &buf)) {
perror("Unable to fstat file for lock");
return fclose(fp);
}
file_key key;
key.inode = buf.st_ino;
key.dev = buf.st_dev;
release_file_lock(fd, &key);
#endif
return fclose(fp);
}
/* Compare a file_lock(lhs) to the file_key(rhs)
and see if they match
*/
int file_lock_inode_cmp(void *_lhs, void *_rhs) {
file_key *rhs = (file_key*)_rhs;
file_lock *lhs = (file_lock *)_lhs;
return (
lhs &&
lhs->key.inode == rhs->inode &&
lhs->key.dev == rhs->dev
);
}
int sun_lockfile(int fd, int shouldblock)
{
#ifdef SunOS
int n, stop;
int flg = shouldblock ? F_SETLKW : F_SETLK;
flock_t lock;
struct stat buf;
if (fstat(fd, &buf)) {
int e = errno;
perror("Unable to fstat file for lock");
errno = e;
return(-1);
}
file_key key;
key.inode = buf.st_ino;
key.dev = buf.st_dev;
debug("mm_util",0,"----->Locked");
pthread_mutex_lock(&listMutex);
if (openFileList == NULL) {
openFileList = (List *)gwlist_create();
}
/* See if the inode exists in the list */
file_lock *item = NULL;
do {
item = (file_lock*)gwlist_search(openFileList, &key, file_lock_inode_cmp);
if (item) {
/* It exists, that means that someone has already locked the file */
if (!shouldblock) {
n = -1;
debug("mm_util",0,"<-----UnLocked");
pthread_mutex_unlock(&listMutex);
errno = EWOULDBLOCK;
return n;
}
pthread_cond_wait(&item->condition, &listMutex);
/* O.k. we've got the file, but now item is invalid,
the unlock_and_close removes it.
*/
}
} while (item != NULL);
/* No one else has locked the file, create the condition for
anyone else.
*/
item = (file_lock*)gw_malloc(sizeof(file_lock));
item->key.inode = key.inode;
item->key.dev = key.dev;
item->fd = fd;
pthread_cond_init(&item->condition, NULL);
gwlist_append(openFileList, item);
/* Release the global lock so that we don't block the
entire system waiting for fnctl to return
*/
debug("mm_util",0,"<-----UnLocked");
pthread_mutex_unlock(&listMutex);
do {
lock.l_whence = SEEK_SET;
lock.l_start = 0;
lock.l_len = 0;
lock.l_type = F_WRLCK;
n = fcntl(fd, flg, &lock);
if (n < 0) {
if (errno == EINTR)
stop = 0;
else
stop = 1;
} else
stop = 1;
} while (!stop);
/* If we failed to get the fcntl lock, then we need to
release the local lock */
if (n != 0) {
release_file_lock(fd, &key);
}
return (n == 0) ? 0 : errno;
#else
panic(0, "Attempt to call sun_lockfile on a non-solaris system");
return 0;
#endif
}
int lockfile(int fd, int shouldblock)
{
#ifdef SunOS
return sun_lockfile(fd, shouldblock);
#else
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;
#endif
}
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 && errno != EWOULDBLOCK) {
debug("mm_util", 0, "Unable to lock '%s', error= %d, %s, shouldblock=%d",
fname, errno, strerror(errno), shouldblock);
perror("Unable to lock file");
}
if (ret != 0 ||
(ret = check_lock(fd,fname)) != 0)
return ret;
return 0;
}
void mms_collect_envdata_from_msgheaders(List *mh, List **xto,
Octstr **subject,
Octstr **otransid, time_t *expiryt,
time_t *deliveryt, long default_msgexpiry,
long max_msgexpiry,
char *unified_prefix, List *strip_prefixes)
{
Octstr *s;
List *l;
if (xto) {
l = http_header_find_all(mh, "To");
if (l != NULL) {
int i, n;
for (i = 0, n = gwlist_len(l); i<n; i++) {
Octstr *name, *value;
http_header_get(l, i, &name, &value);
_mms_fixup_address(&value, unified_prefix, strip_prefixes, 1);
gwlist_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 = gwlist_len(l); i<n; i++) {
Octstr *name, *value;
http_header_get(l, i, &name, &value);
_mms_fixup_address(&value, unified_prefix, strip_prefixes, 1);
gwlist_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 = gwlist_len(l); i<n; i++) {
Octstr *name, *value;
http_header_get(l, i, &name, &value);
_mms_fixup_address(&value, unified_prefix, strip_prefixes, 1);
gwlist_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 (max_msgexpiry > 0
&& (*expiryt - time(NULL)) > max_msgexpiry)
*expiryt = time(NULL) + max_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_ex(Octstr *s, int offset)
{
int i = offset, n = octstr_len(s);
char *cs;
if (s && octstr_len(s) >= 1 &&
octstr_get_char(s, i) == '+')
i++;
for ( cs = octstr_get_cstr(s); i<n; i++)
if (!gw_isdigit(cs[i]))
return 0;
return 1;
}
int isphonenum(Octstr *s)
{
return isphonenum_ex(s, 0);
}
void mms_normalize_phonenum(Octstr **num, char *unified_prefix, List *strip_prefixes)
{
int i, n;
if (num == NULL ||
*num == NULL)
return;
/* stip prefix first. */
for (i = 0, n = gwlist_len(strip_prefixes); i<n;i++) {
Octstr *x = gwlist_get(strip_prefixes, i);
if (octstr_search(*num, x, 0) == 0) {
octstr_delete(*num, 0, octstr_len(x));
break;
}
}
if (unified_prefix)
normalize_number(unified_prefix, num);
}
/* Doesn't handle IP addresses very well */
void _mms_fixup_address(Octstr **address, char *unified_prefix, List *strip_prefixes, int keep_suffix)
{
int i;
Octstr *typ;
if (!address || !*address) return;
i = octstr_search_char(*address, '@', 0);
if (i>0) /* an email address. */
return;
i = octstr_case_search(*address, octstr_imm("/TYPE="), 0);
if (i > 0) {
typ = octstr_copy(*address, i, octstr_len(*address));
octstr_delete(*address, i, octstr_len(*address));
} else
typ = NULL;
if (isphonenum(*address) || (typ && octstr_str_case_compare(typ, "/TYPE=PLMN") == 0)) {
mms_normalize_phonenum(address, unified_prefix, strip_prefixes);
octstr_append(*address, keep_suffix ? octstr_imm("/TYPE=PLMN") : octstr_imm(""));
} else if (typ)
octstr_append(*address, keep_suffix ? typ : octstr_imm(""));
else
octstr_append(*address, keep_suffix ? octstr_imm("@unknown") : octstr_imm(""));
octstr_destroy(typ);
}
/* 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 = (gwlist_search(l, host, comp_fn) != NULL) ? 1 : 0;
gwlist_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 = gwlist_create();
if (*cgivar_ctypes == NULL)
*cgivar_ctypes = gwlist_create();
if (!ctype) {
mms_warning(0, NULL, NULL, "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 = gwlist_extract_first(l)) != NULL) {
List *r = octstr_split(v, octstr_imm("="));
if (gwlist_len(r) == 0)
mms_warning(0, NULL, NULL, "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 = gwlist_extract_first(r);
x->value = gwlist_extract_first(r);
if (!x->value)
x->value = octstr_create("");
octstr_strip_blanks(x->name);
octstr_strip_blanks(x->value);
octstr_url_decode(x->name);
octstr_url_decode(x->value);
gwlist_append(*cgivars, x);
}
octstr_destroy(v);
gwlist_destroy(r, octstr_destroy_item);
}
gwlist_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) {
mms_warning(0, NULL, NULL, "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 = mime_entity_num_parts(m); i < n; i++) {
MIMEEntity *mp = mime_entity_get_part(m, i);
List *headers = mime_entity_headers(mp);
Octstr *body = mime_entity_body(mp);
Octstr *ct = http_header_value(headers,
octstr_imm("Content-Type"));
Octstr *cd = http_header_value(headers,
octstr_imm("Content-Disposition"));
Octstr *name = http_get_header_parameter(cd, octstr_imm("name"));
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(body);
gwlist_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);
gwlist_append(*cgivar_ctypes, x);
}
octstr_destroy(name);
}
octstr_destroy(ct);
octstr_destroy(cd);
octstr_destroy(body);
http_destroy_headers(headers);
mime_entity_destroy(mp);
}
mime_entity_destroy(m);
} else /* else it is nothing that we know about, so simply go away... */
ret = -1;
done:
octstr_destroy(ctype);
octstr_destroy(charset);
return ret;
}
/* get content-ID header, fix: WAP decoder may leave \" at beginning */
Octstr *_x_get_content_id(List *headers)
{
Octstr *cid = http_header_value(headers, octstr_imm("Content-ID"));
if (cid)
if (octstr_get_char(cid, 0) == '"' &&
octstr_get_char(cid, octstr_len(cid) - 1) != '"')
octstr_delete(cid, 0,1);
return cid;
}
/* Utility: Take a header list, remove any boundary parameter from the content-type
* element. We don't want this in the WSP packed content.
*/
void strip_boundary_element(List *headers, char *s)
{
Octstr *ctype = NULL, *params = NULL;
Octstr *value;
int n;
gw_assert(headers);
if ((n = get_content_type(headers, &ctype, &params)) < 0) {
octstr_destroy(ctype);
ctype = NULL; /* no ctype found, so do not replace it! */
} else if (ctype &&
DRM_CONTENT_TYPE(ctype)) {
octstr_destroy(ctype);
ctype = NULL; /* leave drm alone! */
}
if (s) {/* we are replacing the content type as well as stripping */
octstr_destroy(ctype);
ctype = octstr_create(s);
}
if (params && ctype) {
List *h = get_value_parameters(params);
Octstr *ps;
http_header_remove_all(h,"boundary"); /* We don't need the boundary param if it is there. */
ps = make_value_parameters(h);
value = octstr_format("%S%s%S", ctype,
(ps && octstr_len(ps) > 0) ? "; " : "",
ps);
octstr_destroy(ps);
http_destroy_headers(h);
} else
value = ctype;
if (value) {
http_header_remove_all(headers, "Content-Type");
http_header_add(headers, "Content-Type", octstr_get_cstr(value));
}
if (ctype != value)
octstr_destroy(ctype);
octstr_destroy(value);
octstr_destroy(params);
}
/* Mapping file extensions to content types. */
static struct {
char *ctype, *file_ext;
} exts[] = {
{"text/plain", "txt"},
{"image/jpeg", "jpg"},
{"image/jpeg", "jpeg"},
{"image/png", "png"},
{"image/tiff", "tiff"},
{"image/gif", "gif"},
{"image/bmp", "bmp"},
{"image/vnd.wap.wbmp", "wbmp"},
{"image/x-bmp", "bmp"},
{"image/x-wmf", "bmp"},
{"image/vnd.wap.wpng", "png"},
{"image/x-up-wpng", "png"},
{"audio/mpeg", "mp3"},
{"audio/wav", "wav"},
{"audio/basic", "au"},
{"audio/amr", "amr"},
{"audio/x-amr", "amr"},
{"audio/amr-wb", "amr"},
{"audio/midi", "mid"},
{"audio/sp-midi", "mid"},
{"application/smil", "smil"},
{"application/smil", "smi"},
{"application/vnd.wap.mms-message", "mms"},
{"application/java-archive", "jar"},
{"video/3gpp", "3gp"},
{"video/3gpp", "3gp2"},
{"video/3gpp2","3g2"},
{"audio/vnd.qcelp", "qcp"},
{MBUNI_MULTIPART_TYPE, "urls"}, /* mbuni url list type. */
{NULL, NULL}
};
/* Some of Web languages used for generating content, but can't be a content itself. */
static struct {
char *language, *file_ext;
} l_exts[] = {
{"Perl", "pl"},
{"Php", "php"},
{"Python", "py"},
{"Common Gateway Interface", "cgi"},
{"Active Server Page", "asp"},
{"Java Server Page", "jsp"},
{"Ruby on Rails", "rb"},
{"Tool Command Language", "tcl"},
{"Shell Command Language", "sh"},
{"Executables", "exe"},
{NULL, NULL}
};
Octstr *filename2content_type(char *fname)
{
char *p = strrchr(fname, '.');
int i;
if (p)
for (i = 0; exts[i].file_ext; i++)
if (strcasecmp(p+1, exts[i].file_ext) == 0)
return octstr_imm(exts[i].ctype);
return octstr_imm("application/octet-stream");
}
static char *content_type2file_ext(Octstr *ctype)
{
int i, j;
/* Take the first value, expecting content-type! */
if ((j = octstr_search_char(ctype, ';', 0)) != -1)
octstr_delete(ctype, j, octstr_len(ctype));
for (i = 0; exts[i].file_ext; i++)
if (octstr_str_case_compare(ctype, exts[i].ctype) == 0)
return exts[i].file_ext;
return "dat";
}
char *make_file_ext(Octstr *url, Octstr *ctype, char fext[5])
{
int i;
fext[0] = 0;
if (url) {
HTTPURLParse *h = parse_url(url);
char *s, *p;
if (!h)
goto done;
s = h->path ? octstr_get_cstr(h->path) : "";
if ((p = strrchr(s, '.')) != NULL)
strncpy(fext, p+1, 4); /* max length of 4. */
http_urlparse_destroy(h);
for (i = 0; l_exts[i].file_ext; i++)
if (strcasecmp(fext, l_exts[i].file_ext) == 0)
return content_type2file_ext(ctype);
if (fext[0])
return fext;
}
done:
return content_type2file_ext(ctype);
}
static int fetch_url_with_auth(HTTPCaller *c, int method, Octstr *url, List *request_headers,
Octstr *body, Octstr *auth_hdr, List **reply_headers, Octstr **reply_body);
int mms_url_fetch_content(int method, Octstr *url, List *request_headers,
Octstr *body, List **reply_headers, Octstr **reply_body)
{
int status = 0;
Octstr *furl = NULL;
if (octstr_search(url, octstr_imm("data:"), 0) == 0) {
int i = octstr_search_char(url, ',',0);
Octstr *ctype = (i >= 0) ? octstr_copy(url, 5, i-5) : octstr_create("text/plain; charset=us-ascii");
Octstr *data = (i >= 0) ? octstr_copy(url, i+1, octstr_len(url)) : octstr_copy(url,5,octstr_len(url));
Octstr *n = NULL, *h = NULL;
if (octstr_len(ctype) == 0)
octstr_append_cstr(ctype, "text/plain; charset=us-ascii");
split_header_value(ctype, &n, &h);
if (h) {
List *ph = get_value_parameters(h);
Octstr *v = NULL;
if ((ph && (v = http_header_value(ph, octstr_imm("base64"))) != NULL) ||
octstr_case_search(h, octstr_imm("base64"), 0) >= 0) { /* has base64 item */
Octstr *p = NULL;
octstr_base64_to_binary(data);
http_header_remove_all(ph, "base64");
octstr_destroy(ctype);
if (gwlist_len(ph) > 0) {
p = make_value_parameters(ph);
ctype = octstr_format("%S; %S",
n,p);
octstr_destroy(p);
} else
ctype = octstr_format("%S", n);
}
if (ph)
http_destroy_headers(ph);
octstr_destroy(v);
octstr_destroy(h);
}
octstr_destroy(n);
*reply_body = data;
*reply_headers = http_create_empty_headers();
http_header_add(*reply_headers, "Content-Type", octstr_get_cstr(ctype));
octstr_destroy(ctype);
status = HTTP_OK;
} else if (octstr_search(url, octstr_imm("file://"), 0) == 0) {
char *file = octstr_get_cstr(url) + 6;
Octstr *ctype = filename2content_type(file);
Octstr *data = octstr_read_file(file);
*reply_body = data;
*reply_headers = http_create_empty_headers();
http_header_add(*reply_headers, "Content-Type", octstr_get_cstr(ctype));
status = data ? HTTP_OK : HTTP_NOT_FOUND;
octstr_destroy(ctype);
} else {
HTTPCaller *c = http_caller_create();
http_start_request(c, method, url, request_headers, body, 1, NULL, NULL);
if (http_receive_result_real(c, &status, &furl, reply_headers, reply_body,1) == NULL)
status = -1;
if (status == HTTP_UNAUTHORIZED) {
Octstr *v = http_header_value(*reply_headers, octstr_imm("WWW-Authenticate"));
status = fetch_url_with_auth(c, method, url, request_headers, body, v,
reply_headers, reply_body);
octstr_destroy(v);
}
http_caller_destroy(c);
}
octstr_destroy(furl);
return status;
}
Octstr *get_stripped_param_value(Octstr *value, Octstr *param)
{
Octstr *x = http_get_header_parameter(value, param);
if (x != NULL &&
octstr_get_char(x, 0) == '"' &&
octstr_get_char(x, octstr_len(x) - 1) == '"') {
octstr_delete(x, 0, 1);
octstr_delete(x, octstr_len(x) - 1, 1);
}
return x;
}
static Octstr *make_url(HTTPURLParse *h);
/* Fetch a url with authentication as necessary. */
static int fetch_url_with_auth(HTTPCaller *c, int method, Octstr *url, List *request_headers,
Octstr *body, Octstr *auth_hdr, List **reply_headers, Octstr **reply_body)
{
Octstr *xauth_value = auth_hdr ? octstr_duplicate(auth_hdr) : octstr_create("");
Octstr *domain = NULL, *nonce = NULL, *opaque = NULL, *algo = NULL, *auth_type = NULL, *x;
Octstr *realm = NULL, *xurl = NULL;
Octstr *cnonce = NULL;
char *nonce_count = "00000001";
Octstr *A1 = NULL, *A2 = NULL, *rd = NULL;
List *qop = NULL, *l = NULL;
int i, status = HTTP_UNAUTHORIZED, has_auth = 0, has_auth_int = 0;
HTTPURLParse *h = parse_url(url);
char *m_qop = NULL;
time_t t = time(NULL);
/* Check that there is a username and password in the URL! */
if (h == NULL || h->user == NULL || octstr_len(h->user) == 0)
goto done;
/* First we get the auth type: */
if ((i = octstr_search_char(xauth_value, ' ', 0)) < 0) {
mms_warning(0, NULL, NULL, "Mal-formed WWW-Authenticate header (%s) received while fetching %s!",
octstr_get_cstr(xauth_value), url ? octstr_get_cstr(url) : "");
status = -1;
goto done;
}
auth_type = octstr_copy(xauth_value, 0, i);
octstr_delete(xauth_value, 0, i+1);
if (octstr_str_case_compare(auth_type, "Basic") == 0) {
status = HTTP_UNAUTHORIZED; /* suported by default by GWLIB so if we get here, means bad passwd. */
goto done;
} /* else digest. */
/* Put back some fake data so what we have can be parsed easily. */
if ((l = http_header_split_auth_value(xauth_value)) != NULL) {
Octstr *x = gwlist_get(l, 0);
octstr_insert(x, octstr_imm("_none; "), 0); /* make it easier to parse. */
octstr_destroy(xauth_value);
xauth_value = octstr_duplicate(x);
gwlist_destroy(l, (gwlist_item_destructor_t *)octstr_destroy);
} else
mms_warning(0, NULL, NULL, "Mal-formed Digest header (%s) while fetching (%s)!",
octstr_get_cstr(xauth_value), url ? octstr_get_cstr(url) : "");
realm = get_stripped_param_value(xauth_value, octstr_imm("realm"));
domain = get_stripped_param_value(xauth_value, octstr_imm("domain"));
nonce = get_stripped_param_value(xauth_value, octstr_imm("nonce"));
opaque = get_stripped_param_value(xauth_value, octstr_imm("opaque"));
algo = get_stripped_param_value(xauth_value, octstr_imm("algorithm"));
if ((x = get_stripped_param_value(xauth_value, octstr_imm("qop"))) != NULL) {
int i;
qop = octstr_split(x, octstr_imm(","));
octstr_destroy(x);
for (i = 0; i<gwlist_len(qop); i++) { /* find qop options. */
Octstr *s = gwlist_get(qop, i);
if (!s) continue;
if (octstr_str_case_compare(s, "auth") == 0)
has_auth = 1;
else if (octstr_str_case_compare(s, "auth-int") == 0)
has_auth_int = 1;
}
}
if (qop ||
(algo != NULL && octstr_str_case_compare(algo, "MD5-sess") == 0)) {
cnonce = octstr_create_from_data((void *)&t, sizeof t);
octstr_binary_to_hex(cnonce,0);
}
/* Make A1 */
x = octstr_format("%S:%S:%S",
h->user, realm, h->pass ? h->pass : octstr_imm(""));
A1 = md5(x);
octstr_destroy(x);
if (algo != NULL && octstr_str_case_compare(algo, "MD5-sess") == 0) {
x = octstr_format("%S:%S:%S",
A1, nonce, cnonce);
octstr_destroy(A1);
A1 = md5(x);
octstr_destroy(x);
}
octstr_binary_to_hex(A1,0);
/* Make A2. */
x = octstr_format("%s:%S",
http_method2name(method),
h->path);
if (qop != NULL && has_auth_int && !has_auth) { /* if qop, and qop=auth-int */
Octstr *y;
m_qop = "auth-int";
y = md5(body);
octstr_binary_to_hex(y,0);
octstr_append_char(x, ':');
octstr_append(x, y);
octstr_destroy(y);
} else if (qop)
m_qop = "auth";
A2 = md5(x);
octstr_destroy(x);
octstr_binary_to_hex(A2,0);
/* Finally make the digest response */
if (qop)
x = octstr_format("%S:%S:%s:%S:%s:%S",
A1, nonce, nonce_count, cnonce,
m_qop, A2);
else
x = octstr_format("%S:%S:%S", A1, nonce, A2);
rd = md5(x);
octstr_destroy(x);
octstr_binary_to_hex(rd, 0);
/* make the header value */
x = octstr_format("Digest username=\"%S\", realm=\"%S\", response=\"%S\", nonce=\"%S\", uri=\"%S\"",
h->user, realm, rd, nonce, h->path);
if (opaque)
octstr_format_append(x, ", opaque=\"%S\"", opaque);
if (cnonce)
octstr_format_append(x, ", cnonce=\"%S\", nc=%s", cnonce, nonce_count);
if (m_qop)
octstr_format_append(x,", qop=%s", m_qop);
if (algo)
octstr_format_append(x,", algorithm=%S", algo);
http_header_remove_all(request_headers, "Authorization");
http_header_add(request_headers, "Authorization", octstr_get_cstr(x));
octstr_destroy(x);
/* Remove username, password, then remake URL */
octstr_destroy(h->user);
h->user = NULL;
octstr_destroy(h->pass);
h->pass = NULL;
xurl = make_url(h);
x = NULL;
http_start_request(c, method, xurl, request_headers, body, 1, NULL, NULL);
if (http_receive_result_real(c, &status, &x, reply_headers, reply_body,1) == NULL)
status = -1;
if (x)
octstr_destroy(x);
done:
octstr_destroy(xauth_value);
octstr_destroy(realm);
octstr_destroy(domain);
octstr_destroy(nonce);
octstr_destroy(opaque);
octstr_destroy(algo);
octstr_destroy(xurl);
octstr_destroy(cnonce);
gwlist_destroy(qop, (gwlist_item_destructor_t *)octstr_destroy);
if (h)
http_urlparse_destroy(h);
return status;
}
static Octstr *make_url(HTTPURLParse *h)
{
Octstr *url = octstr_duplicate(h->scheme);
if (h->user) {
octstr_format_append(url, "%S", h->user);
if (h->pass)
octstr_format_append(url, ":%S", h->pass);
octstr_format_append(url, "@");
}
octstr_format_append(url, "%S:%d%S", h->host, h->port, h->path);
if (h->query)
octstr_format_append(url, "?%S", h->query);
if (h->fragment)
octstr_format_append(url, "#%S", h->fragment);
return url;
}
static int is_separator_char(int c)
{
switch (c) {
case '(':
case ')':
case '<':
case '>':
case '@':
case ',':
case ';':
case ':':
case '\\':
case '"':
case '/':
case '[':
case ']':
case '?':
case '=':
case '{':
case '}':
case 32: /* SP */
case 9: /* HT */
return 1;
default:
return 0;
}
}
/* Is this char part of a 'token' as defined by HTTP? */
static int is_token_char(int c)
{
return c >= 32 && c < 127 && !is_separator_char(c);
}
/* Is this string a 'token' as defined by HTTP? */
int mms_is_token(Octstr *token)
{
return octstr_len(token) > 0 &&
octstr_check_range(token, 0, octstr_len(token), is_token_char);
}
int has_node_children(xmlNodePtr node)
{
xmlNodePtr x;
for (x = node->xmlChildrenNode; x; x = x->next)
if (x->type == XML_ELEMENT_NODE)
return 1;
return 0;
}
/* strip all but content-type, content-id, content-transfer-disposition, content-location */
void strip_non_essential_headers(MIMEEntity *mime)
{
Octstr *v;
List *h, *h2;
if (!mime) return;
h = mime_entity_headers(mime);
h2 = http_create_empty_headers();
if ((v = http_header_value(h, octstr_imm("Content-Type"))) != NULL) {
http_header_add(h2, "Content-Type", octstr_get_cstr(v));
octstr_destroy(v);
}
if ((v = http_header_value(h, octstr_imm("Content-ID"))) != NULL) {
http_header_add(h2, "Content-ID", octstr_get_cstr(v));
octstr_destroy(v);
}
if ((v = http_header_value(h, octstr_imm("Content-Location"))) != NULL) {
http_header_add(h2, "Content-Location", octstr_get_cstr(v));
octstr_destroy(v);
}
if ((v = http_header_value(h, octstr_imm("Content-Transfer-Encoding"))) != NULL) {
http_header_add(h2, "Content-Transfer-Encoding", octstr_get_cstr(v));
octstr_destroy(v);
}
mime_replace_headers(mime,h2);
http_destroy_headers(h);
http_destroy_headers(h2);
}
void *_mms_load_module(mCfg *cfg, mCfgGrp *grp, char *config_key, char *symbolname,
void *shell_builtin)
{
Octstr *s = NULL;
void *retval = NULL;
s = mms_cfg_get(cfg, grp, octstr_imm(config_key));
if (s) {
void *x;
void *y = NULL;
#ifdef __APPLE__
char sbuf[512];
#endif
/* First look for the builtin: keyword.
* For now only builtin:shell is supported.
*/
if (octstr_case_search(s, octstr_imm("builtin:shell"), 0) >= 0)
retval = shell_builtin;
else {
x = dlopen(octstr_get_cstr(s), RTLD_LAZY);
#ifdef __APPLE__
sprintf(sbuf, "_%s", symbolname);
#endif
if (x == NULL || ((y = dlsym(x, symbolname)) == NULL
#ifdef __APPLE__ /* fink version of dlsym has issues it seems. */
&& (y = dlsym(x, sbuf)) == NULL
#endif
))
panic(0, "Unable to load dynamic libary (%s): %s",
octstr_get_cstr(s),
dlerror());
else
retval = y;
}
octstr_destroy(s);
}
return retval;
}
Octstr *extract_phonenum(Octstr *num, Octstr *unified_prefix)
{
Octstr *phonenum;
int j = octstr_case_search(num, octstr_imm("/TYPE=PLMN"), 0);
if (j > 0 && j - 1 + sizeof "/TYPE=PLMN" == octstr_len(num))
phonenum = octstr_copy(num, 0, j);
else
phonenum = octstr_duplicate(num);
if (unified_prefix)
normalize_number(octstr_get_cstr(unified_prefix), &phonenum);
return phonenum;
}
void strip_quoted_string(Octstr *s)
{
if (s == NULL) return;
octstr_strip_blanks(s);
if (octstr_get_char(s, 0) == '"') {
octstr_delete(s, 0, 1);
octstr_delete(s, octstr_len(s)-1, 1);
}
}
MIMEEntity *make_multipart_formdata(void)
{
MIMEEntity *x = mime_entity_create();
List *rh = http_create_empty_headers();
http_header_add(rh, "User-Agent", MM_NAME "/" VERSION);
http_header_add(rh, "Accept", "*/*");
http_header_add(rh, "Content-Type", "multipart/form-data");
mime_replace_headers(x, rh);
http_destroy_headers(rh);
return x;
}
void add_multipart_form_field(MIMEEntity *multipart, char *field_name, char *ctype, char *content_loc,
Octstr *data)
{
MIMEEntity *p = mime_entity_create();
List *xh = http_create_empty_headers();
Octstr *cd = octstr_format("form-data; name=\"%s\"", field_name);
if (content_loc)
octstr_format_append(cd, "; filename=\"%s\"", content_loc);
http_header_add(xh, "Content-Disposition", octstr_get_cstr(cd));
if (ctype) /* This header must come after the above it seems. */
http_header_add(xh, "Content-Type", ctype);
mime_entity_set_body(p, data);
mime_replace_headers(p, xh);
mime_entity_add_part(multipart, p); /* add it to list so far. */
mime_entity_destroy(p);
http_destroy_headers(xh);
octstr_destroy(cd);
}
void fixup_address_type(List *headers, char *hdr,
char *unified_prefix, List *strip_prefixes)
{
List *l;
int i, n;
l = http_header_find_all(headers, hdr);
http_header_remove_all(headers,hdr);
for (i = 0, n = gwlist_len(l); i<n; i++) {
Octstr *name, *value;
int j, k;
http_header_get(l, i, &name, &value);
if (!value || !name ||
octstr_case_compare(name, octstr_imm(hdr)) != 0)
goto loop;
if ((j = octstr_search(value, octstr_imm("/TYPE="), 0))>0) {
k = octstr_search_char(value, '@', 0);
if (k > j) { /* we have @, after TYPE=PLMN remove it */
octstr_delete(value, k, octstr_len(value));
}
}
_mms_fixup_address(&value,
unified_prefix,
strip_prefixes, 1);
http_header_add(headers, octstr_get_cstr(name), octstr_get_cstr(value));
loop:
octstr_destroy(value);
octstr_destroy(name);
}
http_destroy_headers(l);
}
MIMEEntity *multipart_from_urls(List *url_list)
{
int i, n;
List *rh = http_create_empty_headers();
MIMEEntity *m = mime_entity_create();
http_header_add(rh, "User-Agent", MM_NAME "/" VERSION);
for (i = 0, n = gwlist_len(url_list); i<n; i++) {
List *rph = NULL;
Octstr *rbody = NULL;
Octstr *url = gwlist_get(url_list, i);
if (mms_url_fetch_content(HTTP_METHOD_GET,
url, rh, NULL, &rph, &rbody) == HTTP_OK) {
List *mh = http_create_empty_headers();
Octstr *x;
MIMEEntity *mx;
if ((x = http_header_value(rph, octstr_imm("Content-Type"))) != NULL) {
http_header_add(mh, "Content-Type", octstr_get_cstr(x));
octstr_destroy(x);
} else
http_header_add(mh, "Content-Type", "application/content-stream");
if ((x = http_header_value(rph, octstr_imm("Content-ID"))) != NULL) {
http_header_add(mh, "Content-ID", octstr_get_cstr(x));
octstr_destroy(x);
}
if ((x = http_header_value(rph, octstr_imm("Content-Location"))) != NULL) {
http_header_add(mh, "Content-Location", octstr_get_cstr(x));
octstr_destroy(x);
}
mx = mime_http_to_entity(mh, rbody);
mime_entity_add_part(m, mx);
http_destroy_headers(mh);
mime_entity_destroy(mx);
} else
mms_error(0, "multipart_from_urls", NULL, "Failed to load URL content for URL [%s]",
octstr_get_cstr(url));
octstr_destroy(rbody);
http_destroy_headers(rph);
}
http_destroy_headers(rh);
/* Now change the content type on this baby. */
rh = http_create_empty_headers();
http_header_add(rh, "Content-Type", "multipart/mixed");
mime_replace_headers(m, rh);
http_destroy_headers(rh);
return m;
}
const char *mibenum_to_charset(int val)
{
#define CharMIBEnum(c,cset) else if (val == (c)) return #cset;
if (0)
return "";
#include "charmibenum.def"
return "ASCII"; /* Assume default ASCII ? */
}
int charset_to_mibenum(char *charset)
{
#define CharMIBEnum(c,cset) else if (strcasecmp(charset,(#cset)) == 0) return (c);
if (0)
return US_ASCII_MIB_VAL;
#include "charmibenum.def"
return US_ASCII_MIB_VAL; /* Assume default ASCII ? */
}
/* XXX right now we do not honour the 75 char length limit */
static Octstr *parse_rfc2047_atom(Octstr *in, int offset, int *mibenum, int *end_marker)
{
Octstr *xs;
int enc, n, i, ch, ch2;
*end_marker = offset;
#if 0
if (in == NULL ||
octstr_get_char(in, offset) != '=' ||
octstr_get_char(in, offset + 1) != '?') {
*mibenum = US_ASCII_MIB_VAL;
return in ? octstr_duplicate(in) : NULL;
}
#endif
offset += 2;
xs = octstr_copy(in, offset, octstr_len(in));
/* Get charset */
if ((n = octstr_search_char(xs, '?', 0)) >= 0) {
Octstr *charset = octstr_copy(xs, 0, n);
octstr_delete(xs, 0, 1+octstr_len(charset));
*mibenum = charset_to_mibenum(octstr_get_cstr(charset));
octstr_destroy(charset);
offset += n+1;
} else
*mibenum = US_ASCII_MIB_VAL;
/* Get encoding */
if ((n = octstr_search_char(xs, '?', 0)) >= 0) {
enc = octstr_get_char(xs, n-1);
octstr_delete(xs, 0, 2); /* Delete the encoding, and the following '?' */
offset += n+1;
} else
enc = 'q';
/* Look for end marker */
if ((n = octstr_search(xs, octstr_imm("?="), 0)) >= 0) {
octstr_delete(xs, n, octstr_len(xs)); /* Remove everything after that */
offset += n+2;
} else
offset += octstr_len(xs);
if (toupper(enc) == 'B')
octstr_base64_to_binary(xs);
else /* Assume plain text, deal with =20 and _ issues */
for (i = 0; i < octstr_len(xs); i++)
if (octstr_get_char(xs, i) == '=' &&
(ch = octstr_get_char(xs,i+1)) > 0 &&
(ch2 = octstr_get_char(xs,i+2)) > 0 &&
isxdigit(ch) && isxdigit(ch2)) {
sscanf(octstr_get_cstr(xs) + i + 1, "%2x", &ch);
octstr_delete(xs, i, 3);
octstr_insert_char(xs, i,ch);
} else if (octstr_get_char(xs, i) == '_') {
octstr_delete(xs, i, 1);
octstr_insert_char(xs, i,0x20);
}
*end_marker = offset;
return xs;
}
/* Output charset will be forced to UTF8 if multiple atoms exist */
Octstr *parse_rfc2047_text(Octstr *in, int *mibenum)
{
int n1, mib, end, last_mib = -1, offset = 0;
Octstr *x = NULL, *xs = NULL;
*mibenum = US_ASCII_MIB_VAL; /* Default */
if (in == NULL)
goto done;
x = octstr_create("");
while ((n1 = octstr_search(in, octstr_imm("=?"), offset)) >= 0 &&
(xs = parse_rfc2047_atom(in, n1, &mib, &end)) != NULL) {
Octstr *x1 = octstr_copy(in, offset, n1 - offset); /* Copy all the stuff up to this point. */
octstr_append(x, x1);
if (last_mib >= 0 && mib != last_mib) {
/* Force all to be utf-8 encoded */
const char *charset1 = mibenum_to_charset(mib);
Octstr *xcharset1 = octstr_imm(charset1);
const char *charset2 = mibenum_to_charset(last_mib);
Octstr *xcharset2 = octstr_imm(charset2);
Octstr *xout = NULL;
/* Convert old stuff to utf8 */
if (last_mib != UTF8_MIB_VAL) {
if (charset_to_utf8(x, &xout, xcharset2) > 0 && xout) {
octstr_destroy(x);
x = xout;
} else
octstr_destroy(xout);
xout = NULL;
}
/* Convert new string and append it */
if (mib != UTF8_MIB_VAL) {
if (charset_to_utf8(xs, &xout, xcharset1) > 0 && xout) {
octstr_destroy(xs);
xs = xout;
} else
octstr_destroy(xout);
xout = NULL;
}
mib = UTF8_MIB_VAL; /* Force all subsequent to utf8 */
}
octstr_append(x, xs); /* Put it in */
last_mib = *mibenum = mib;
offset = end;
octstr_destroy(x1);
octstr_destroy(xs);
xs = NULL;
}
octstr_destroy(xs); /* Because it might have escaped */
if (offset < octstr_len(in)) {
Octstr *x1 = octstr_copy(in, offset, octstr_len(in)); /* Copy all the stuff up to this point. Ignore charset*/
octstr_append(x, x1);
octstr_destroy(x1);
}
done:
return x;
}
Octstr *pack_rfc2047_text(Octstr *in, int charset_mib_enum)
{
int i;
Octstr *xs;
if (charset_mib_enum == US_ASCII_MIB_VAL)
return octstr_duplicate(in);
xs = octstr_format("=?%s?q?", mibenum_to_charset(charset_mib_enum));
for (i = 0; i<octstr_len(in); i++) {
int ch = octstr_get_char(in, i);
if (isspace(ch) || ch > 127)
octstr_format_append(xs,"=%02X", ch);
else
octstr_append_char(xs, ch);
}
octstr_append_cstr(xs, "?=");
return xs;
}
List *gwlist_create_ex_real(const char *file, const char *func, int line,...)
{
va_list ap;
List *l = gwlist_create();
void *v;
va_start(ap, line);
while ((v = va_arg(ap, void *)) != NULL)
gwlist_append(l, v);
return l;
}
void mygw_free(void *x)
{
gw_free(x);
}
/* Finds text part, returns copy. */
static MIMEEntity *find_textpart(MIMEEntity *m)
{
Octstr *ctype = NULL, *params = NULL;
MIMEEntity *res = NULL;
List *headers;
int i, n;
if (!m) return NULL;
headers = mime_entity_headers(m);
get_content_type(headers, &ctype, &params);
http_destroy_headers(headers);
if (ctype && octstr_str_compare(ctype, "text/plain") == 0) {
res = mime_entity_duplicate(m);
goto done;
}
if ((n = mime_entity_num_parts(m)) > 0) {
for (i = 0; i < n; i++) {
MIMEEntity *x = mime_entity_get_part(m, i);
res = find_textpart(x);
mime_entity_destroy(x);
if (res != NULL)
goto done2;
}
}
done:
if (res) { /* We got it! Convert charset if needed. */
List *params_h = get_value_parameters(params);
Octstr *charset = http_header_value(params_h, octstr_imm("charset"));
Octstr *body = mime_entity_body(res);
if (charset == NULL ||
octstr_str_compare(charset, "unknown") == 0) {
octstr_destroy(charset);
charset = octstr_create(DEFAULT_CHARSET);
}
if (octstr_str_case_compare(charset, DEFAULT_CHARSET) != 0) {
charset_convert(body, DEFAULT_CHARSET, octstr_get_cstr(charset)); /* XXX error ignored? */
mime_entity_set_body(res, body);
}
octstr_destroy(body);
http_destroy_headers(params_h);
octstr_destroy(charset);
}
done2:
octstr_destroy(ctype);
octstr_destroy(params);
return res;
}
/* Gets the keyword, if any, from the text part of the message.
* converts charset as needed.
*/
Octstr *get_keyword_from_mime(MIMEEntity *me)
{
MIMEEntity *t = find_textpart(me);
Octstr *txt = t ? mime_entity_body(t) : NULL;
List *l = t ? octstr_split_words(txt) : NULL;
Octstr *keyword = l ? gwlist_extract_first(l) : NULL;
if (t)
mime_entity_destroy(t);
gwlist_destroy(l, (gwlist_item_destructor_t *)octstr_destroy);
octstr_destroy(txt);
return keyword;
}
int http_auth_check(char *user, char *pass, List *headers, int *has_auth_hdr)
{
int i, res = -1;
Octstr *v = http_header_value(headers, octstr_imm("Authorization"));
Octstr *p = NULL, *q = NULL;
*has_auth_hdr = (v != NULL);
if (user == NULL || user[0] == 0) {
res = 0;
goto done;
}
if (!v ||
octstr_search(v, octstr_imm("Basic "), 0) != 0)
goto done;
p = octstr_copy(v, sizeof "Basic", octstr_len(v));
octstr_base64_to_binary(p);
i = octstr_search_char(p, ':', 0);
q = octstr_copy(p, i+1, octstr_len(p));
octstr_delete(p, i, octstr_len(p));
/* p = user, q = pass. */
if (octstr_str_compare(p,user) != 0 ||
octstr_str_compare(q,pass) != 0)
res = -1;
else
res = 0;
done:
octstr_destroy(v);
octstr_destroy(p);
octstr_destroy(q);
return res;
}
/* little dirty method to see if file begins with url scheme. */
static int has_url_scheme(char *url, int *supported_scheme)
{
char *p = strstr(url, "://");
*supported_scheme = 1;
if (strstr(url, "data:") == url || /* data: url scheme */
strstr(url, "http://") == url ||
#ifdef HAVE_LIBSSL
strstr(url, "https://") == url ||
#endif
strstr(url, "file://") == url)
return 1;
if (p) {
for (p--; p >= url; p--)
if (!isalpha(*p))
break;
if (p < url) {
*supported_scheme = 0; /* we don't support this one. */
return 1;
} else
return 0;
} else
return 0;
}
static int add_msg_part(MIMEEntity *res, xmlNodePtr node, Octstr *base_url,
Octstr *top_url,
int type, Octstr *svc_name,
Octstr *mmc_id,
Dict *url_map, Octstr *xmhdr, Octstr *xmhdr_val,
int (*filter)(MIMEEntity **msg, Octstr *loc_url, Octstr *mmc_id))
{
Octstr *curl = NULL, *ctype = NULL, *body = NULL, *xcid = NULL;
char *src = NULL;
int isurl, slash_prefix;
Octstr *cid = NULL;
int supported_url_scheme = 0;
/* For each node in the smil doc, if it has an src attribute, then:
* - if our type of base_url is FILE *and the src attribute does not look
* like a url, then file the file referenced, load it into the message and go
* - if our type is URL and the url scheme is http/https (or has no scheme)
* then fetch it and put into message.
*/
if (!node || node->type != XML_ELEMENT_NODE ||
(src = (char *)xmlGetProp(node, (unsigned char *)"src")) == NULL)
return 0; /* Nothing to do. */
if (src[0] == '\\') { /* User can escape url to prevent substitution. */
xmlSetProp(node, (xmlChar *)"src", (xmlChar *)(src + 1));
goto done;
}
isurl = has_url_scheme(src, &supported_url_scheme);
slash_prefix = (src[0] == '/');
if (isurl && !supported_url_scheme)
goto done;
else if (isurl)
curl = octstr_create(src);
else if (slash_prefix) {
if (type == URL_TYPE)
curl = octstr_format("%S%s",
top_url, src);
else
curl = octstr_create(src);
} else
curl = octstr_format("%S/%s",base_url, src);
if ((cid = dict_get(url_map, curl)) != NULL) { /* We've seen it before. */
xmlSetProp(node, (xmlChar *)"src", (xmlChar *)octstr_get_cstr(cid));
/* Don't delete cid! */
goto done;
}
isurl |= (type == URL_TYPE); /* From now on, this flag tells us whether we are fetching a url.*/
if (isurl) {
List *rh = http_create_empty_headers(), *rph = NULL;
http_header_add(rh, "User-Agent", MM_NAME "/" VERSION);
if (mms_url_fetch_content(HTTP_METHOD_GET, curl, rh, NULL, &rph, &body) == HTTP_OK) {
ctype = http_header_value(rph, octstr_imm("Content-Type"));
xcid = http_header_value(rph, octstr_imm("Content-ID"));
} else
mms_error(0, "mmsbox", NULL, "Failed to load url %s within SMIL content from service %s!",
octstr_get_cstr(curl),
svc_name ? octstr_get_cstr(svc_name) : "unknown");
if (rph)
http_destroy_headers(rph);
http_destroy_headers(rh);
} else {
body = octstr_read_file(octstr_get_cstr(curl));
ctype = filename2content_type(src);
}
if (ctype && body) { /* If we got it, put it in. */
static int cntr; /* For generating cids */
char _fext[5] = {0}, *fext = make_file_ext(curl, ctype, _fext);
Octstr *attr = xcid ? octstr_format("cid:%S", xcid) : octstr_format("cid:%06d.%s", ++cntr,fext);
char *p = octstr_get_cstr(attr) + 4;
Octstr *cid_header_val = octstr_format("<%s>", p);
MIMEEntity *x = mime_entity_create();
List *headers = http_create_empty_headers();
http_header_add(headers, "Content-Type", octstr_get_cstr(ctype));
http_header_add(headers, "Content-ID", octstr_get_cstr(cid_header_val));
http_header_add(headers, "Content-Location", p);
if (xmhdr)
http_header_add(headers, octstr_get_cstr(xmhdr), octstr_get_cstr(xmhdr_val));
mime_replace_headers(x, headers);
mime_entity_set_body(x, body);
if (filter && mmc_id)
filter(&x, curl, mmc_id);
mime_entity_add_part(res, x);
mime_entity_destroy(x);
dict_put_once(url_map, curl, octstr_duplicate(attr)); /* Store the cid. */
xmlSetProp(node, (xmlChar *)"src", (xmlChar *)octstr_get_cstr(attr));
octstr_destroy(attr);
octstr_destroy(cid_header_val);
http_destroy_headers(headers);
}
done:
octstr_destroy(curl);
octstr_destroy(ctype);
octstr_destroy(body);
octstr_destroy(xcid);
xmlFree(src);
return 0;
}
/* Traverse the tree doing the above. */
static void add_msg_parts(MIMEEntity *res, xmlNodePtr node, Octstr *base_url,
Octstr *top_url,
int type, Octstr *svc_name,
Octstr *mmc_id,
Dict *url_map, Octstr *xmhdr, Octstr *xmhdr_val,
int (*filter)(MIMEEntity **msg, Octstr *loc_url, Octstr *mmc_id))
{
xmlNodePtr n;
/* Do all the children recursively, then come back and do parent. */
for (n = node; n; n = n->next)
if (n->type != XML_COMMENT_NODE) {
add_msg_part(res, n, base_url, top_url, type, svc_name, mmc_id, url_map, xmhdr,
xmhdr_val, filter);
add_msg_parts(res, n->xmlChildrenNode, base_url, top_url, type,
svc_name, mmc_id, url_map, xmhdr, xmhdr_val, filter);
}
}
/* Get's just the host:port part, leaving out UrI */
static Octstr *get_toplevel_url(Octstr *url)
{
int i, len = octstr_len(url);
char *p = octstr_get_cstr(url);
i = octstr_search(url, octstr_imm("://"),0);
if (i > 0)
i += 3;
else
i = 0;
for ( ; i < len; i++)
if (p[i] == '/')
break;
return octstr_copy(url, 0, i);
}
static Octstr *url_path_prefix(Octstr *url, int type)
{
int i, j, len = octstr_len(url);
char *p = octstr_get_cstr(url);
/* Set lower/upper limit of search. */
if (type == URL_TYPE) { /* then skip first slashes. */
char *x;
i = octstr_search(url, octstr_imm("://"),0);
if (i > 0)
i += 3;
else
i = 0;
x = rindex(p, '#'); /* look for fragment if any. */
if (x)
j = x - p - 1;
else
j = len - 1;
} else {
i = 0;
j = len - 1;
}
/* Now search backwards for the last '/'.
* if you don't find one, set to end of string.
*/
for (;j > i; j--)
if (p[j] == '/')
break;
if (j <= i)
j = len;
return octstr_copy(url, 0, j);
}
void get_content_from_sendmms_request(Octstr *body, List *headers, List *cgivars, List *cgivar_ctypes,
List **rh, Octstr **ctype, Octstr **data,
Octstr **rb,
Octstr **base_url, Octstr **data_url)
{
Octstr *s;
/* Now get the data. */
if ((*data = http_cgi_variable(cgivars, "text")) != NULL) { /* text. */
Octstr *charset = http_cgi_variable(cgivars, "charset");
*ctype = octstr_format("text/plain");
if (charset)
octstr_format_append(*ctype, "; charset=%S", charset);
} else if ((s = http_cgi_variable(cgivars, "smil")) != NULL) { /* smil. */
*ctype = octstr_create("application/smil");
*data = octstr_duplicate(s);
} else if ((s = http_cgi_variable(cgivars, "content-url")) != NULL) { /* arbitrary content. */
List *reqh = http_create_empty_headers(), *rph = NULL;
Octstr *reply = NULL, *params = NULL;
http_header_add(reqh, "User-Agent", MM_NAME "/" VERSION);
if (mms_url_fetch_content(HTTP_METHOD_GET, s, reqh, NULL, &rph, &reply) == HTTP_OK)
get_content_type(rph, ctype, &params);
else
*rb = octstr_format("failed to fetch content from url [%S]!", s);
*base_url = url_path_prefix(s, URL_TYPE);
*data_url = octstr_duplicate(s); /* the URL of the message. */
*data = reply;
http_destroy_headers(reqh);
http_destroy_headers(*rh);
*rh = rph ? rph : http_create_empty_headers(); /* replace as real reply headers. */
*ctype = http_header_value(*rh, octstr_imm("Content-Type"));
octstr_destroy(params);
} else if ((s = http_cgi_variable(cgivars, "content")) != NULL) { /* any content. */
Octstr *_xctype = NULL; /* ... because cgi var stuff is destroyed elsewhere, we must dup it !! */
*data = octstr_duplicate(s);
/* If the user sent us a content element, then they should have
* sent us its type either as part of the HTTP POST (multipart/form-data)
* or as CGI VAR called content_type
*/
if ((_xctype = http_cgi_variable(cgivars, "content_type")) == NULL)
if (cgivar_ctypes)
_xctype = http_cgi_variable(cgivar_ctypes, "content");
if (_xctype)
*ctype = octstr_duplicate(_xctype);
else
*ctype = octstr_create("application/octet-stream");
} else if (body) { /* if all above fails,
use send-mms msg body if any. */
*data = octstr_duplicate(body);
*ctype = http_header_value(headers, octstr_imm("Content-Type"));
} else
*rb = octstr_create("Missing content");
}
MmsMsg *make_msg_from_sendmms_request(Octstr *from, List *to,
Octstr *msgId,
Octstr *subject,
Octstr *data, Octstr *ctype,
List *reply_headers,
Octstr *msg_url,
Octstr *base_url, int type,
Octstr *mmc,
Octstr *svc_name,
time_t expiryt,
int do_multipart,
int do_rr,
int do_dlr,
char *allow_adaptations,
int (*filter)(MIMEEntity **msg, Octstr *loc_url, Octstr *mmc_id),
Octstr **err)
{
Octstr *mclass = http_header_value(reply_headers, octstr_imm("X-Mbuni-MessageClass"));
Octstr *prio = http_header_value(reply_headers, octstr_imm("X-Mbuni-Priority"));
Octstr *turl = get_toplevel_url(base_url);
MmsMsg *m = NULL;
MIMEEntity *me = mime_entity_create();
Octstr *xmhdr = NULL, *xmhdr_val = NULL;
List *xheaders = NULL;
int i, n;
if (octstr_str_case_compare(ctype, "application/vnd.wap.mms-message") == 0)
m = mms_frombinary(data, from);
else if (octstr_case_search(ctype, octstr_imm("multipart/"), 0) == 0) { /* treat it differently. */
MIMEEntity *mime = mime_http_to_entity(reply_headers, data);
if (mime) {
mime_entity_destroy(me);
me = mime;
}
} else if (octstr_case_search(ctype,
octstr_imm(MBUNI_MULTIPART_TYPE), 0) == 0) { /* Mbuni multipart.*/
List *l = octstr_split_words(data);
MIMEEntity *mime = multipart_from_urls(l);
if (mime) {
mime_entity_destroy(me);
me = mime;
}
gwlist_destroy(l, (void *)octstr_destroy);
} else if (octstr_case_search(ctype, octstr_imm("application/smil"), 0) == 0) {
xmlDocPtr smil;
xmlChar *buf = NULL;
int bsize = 0;
Dict *url_map = dict_create(97, (void (*)(void *))octstr_destroy);
List *xh = http_create_empty_headers();
/* This is the hard bit: Fetch each external reference in smil, add it to message! */
http_header_add(xh, "Content-Type", "multipart/related; "
"type=\"application/smil\"; start=\"<presentation>\"");
mime_replace_headers(me,xh);
http_destroy_headers(xh);
/* Parse the smil as XML. */
smil = xmlParseMemory(octstr_get_cstr(data), octstr_len(data));
if (!smil || !smil->xmlChildrenNode) {
*err = octstr_format("MMSBox: Error parsing SMIL response from service[%s], "
" msgid %s!", octstr_get_cstr(svc_name),
msgId ? octstr_get_cstr(msgId) : "(none)");
dict_destroy(url_map);
goto done;
}
add_msg_parts(me, smil->xmlChildrenNode,
base_url, turl, type, svc_name,
mmc, url_map, xmhdr, xmhdr_val,
filter);
dict_destroy(url_map);
/* SMIL has been modified, convert it to text, put it in. */
xmlDocDumpFormatMemory(smil, &buf, &bsize, 1);
xmlFreeDoc(smil);
if (buf) {
MIMEEntity *sm = mime_entity_create();
List *xh = http_create_empty_headers();
Octstr *s;
http_header_add(xh, "Content-Type", "application/smil");
http_header_add(xh, "Content-ID", "<presentation>"); /* identify it as start element. */
if (xmhdr)
http_header_add(xh, octstr_get_cstr(xmhdr), octstr_get_cstr(xmhdr_val));
s = octstr_create_from_data((char *)buf, bsize);
mime_replace_headers(sm, xh);
mime_entity_set_body(sm, s);
mime_entity_add_part(me, sm);
mime_entity_destroy(sm);
http_destroy_headers(xh);
octstr_destroy(s);
xmlFree(buf);
} else {
*err = octstr_format("MMSBox: Error writing converted SMIL "
"for response from service[%s], "
" msgid %s!",
octstr_get_cstr(svc_name),
(msgId) ? octstr_get_cstr(msgId) : "(none)");
goto done;
}
} else { /* all others, make the message as-is and hope for the best! */
List *xh = http_create_empty_headers();
if (do_multipart) { /* if it's going to be multi-part, add some headers. */
static int cntr = 0;
char _fext[5] = {0}, *fext = make_file_ext(msg_url, ctype, _fext);
Octstr *attr = octstr_format("%06d.%s", ++cntr,fext);
Octstr *cid_header_val = octstr_format("<%S>", attr);
http_header_add(xh, "Content-ID", octstr_get_cstr(cid_header_val));
http_header_add(xh, "Content-Location", octstr_get_cstr(attr));
octstr_destroy(attr);
octstr_destroy(cid_header_val);
}
http_header_add(xh, "Content-Type", octstr_get_cstr(ctype));
if (xmhdr)
http_header_add(xh, octstr_get_cstr(xmhdr), octstr_get_cstr(xmhdr_val));
mime_replace_headers(me, xh);
http_destroy_headers(xh);
mime_entity_set_body(me, data);
if (filter && mmc) /* filter it too. */
filter(&me, msg_url, mmc);
if (do_multipart &&
octstr_case_search(ctype, octstr_imm("multipart/"), 0) != 0) { /* requires multipart but this one is not, wrap it */
MIMEEntity *xm = mime_entity_create();
List *h1 = http_create_empty_headers();
http_header_add(h1, "Content-Type", "multipart/related");
mime_replace_headers(xm, h1);
mime_entity_add_part(xm, me);
http_destroy_headers(h1);
me = xm;
}
}
/* Add some nice headers. */
xheaders = mime_entity_headers(me);
http_header_add(xheaders, "From", octstr_get_cstr(from));
for (i = 0, n = gwlist_len(to); i < n; i++) {
Octstr *v;
v = gwlist_get(to, i);
http_header_add(xheaders, "To", octstr_get_cstr(v));
}
if (do_dlr)
http_header_add(xheaders, "X-Mms-Delivery-Report", "Yes");
if (do_rr)
http_header_add(xheaders, "X-Mms-Read-Report", "Yes");
if (allow_adaptations)
http_header_add(xheaders, "X-Mms-Allow-Adaptations",
(strcasecmp(allow_adaptations, "true") == 0) ? "true" : "false");
if (mclass)
http_header_add(xheaders, "X-Mms-Message-Class", octstr_get_cstr(mclass));
if (prio)
http_header_add(xheaders, "X-Mms-Priority", octstr_get_cstr(prio));
if (subject)
http_header_add(xheaders, "Subject", octstr_get_cstr(subject));
if (expiryt > 0) {
Octstr *x = date_format_http(expiryt);
http_header_add(xheaders, "X-Mms-Expiry", octstr_get_cstr(x));
octstr_destroy(x);
}
mime_replace_headers(me, xheaders);
if (me && !m) /* Set m if it hasn't been set yet. */
m = mms_frommime(me);
if (!m)
*err = octstr_format("MMSBox: Failed to convert Mms Message from service %s!",
octstr_get_cstr(svc_name));
done:
octstr_destroy(mclass);
octstr_destroy(prio);
if (me)
mime_entity_destroy(me);
octstr_destroy(xmhdr_val);
octstr_destroy(turl);
http_destroy_headers(xheaders);
return m;
}
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