hwelte
/
mbuni
1
0
Fork 0
Code Releases Activity
mbuni/mbuni/mmlib/mms_msg.c

2249 lines
63 KiB
C
Raw Permalink Blame History

/*
* Mbuni - Open Source MMS Gateway
*
* MMS message encoder/decoder and helper 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 <time.h>
#include <ctype.h>
#include "mms_msg.h"
#include "mms_util.h"
struct MmsMsg {
int message_type;
Octstr *msgId;
List *headers; /* Of type HTTPHeader. */
mms_encoding enc;
unsigned char ismultipart;
union {
List *l;
Octstr *s;
} body; /* list of MIMEEntity (for multipart), text otherwise.*/
};
struct MM4_types_map_t mm4_types[] = {
{"MM4_forward.REQ", MMS_MSGTYPE_SEND_REQ},
{"MM4_forward.RES",MMS_MSGTYPE_SEND_CONF},
{"MM4_read_reply_report.REQ", MMS_MSGTYPE_READ_REC_IND},
{"MM4_read_reply_report.RES",-1},
{"MM4_delivery_report.REQ",MMS_MSGTYPE_DELIVERY_IND},
{"MM4_delivery_report.RES",-1},
{NULL}
};
#define SIZHINT 47
static int encode_msgheaders(Octstr *os, List *hdrs);
static int decode_msgheaders(ParseContext *context, List *hdr, Octstr *from, int stop_on_ctype,
char *unified_prefix, List *strip_prefixes);
static inline void pack_short_integer(Octstr *s, int ch)
{
unsigned long c = ((unsigned)ch)&0x7f;
wsp_pack_short_integer(s, c);
}
#if 0
static void encode_uint(Octstr *os, unsigned int l)
{
char xbuf[5];
int i = 0;
do {
xbuf[i++] = l&0x7f;
l>>=7;
} while (i < 5 && l);
while (--i > 0) {
xbuf[i] |= 0x80;
octstr_append_data(os, &xbuf[i], 1);
}
octstr_append_data(os, &xbuf[0], 1);
}
#endif
int mms_validate_address_real(Octstr *s, enum AddressType_t *atype)
{
int i;
int l;
enum AddressType_t xtype;
if (atype == NULL)
atype = &xtype;
*atype = MMS_UNKNOWN_ADDRESS;
if (s == NULL)
return -1;
i = octstr_search_char(s, '/', 0);
l = octstr_len(s);
if (octstr_search_char(s, '@', 0) > 0)
*atype = MMS_EMAIL_ADDRESS;
else if (i >= 0) {
if (octstr_case_search(s, octstr_imm("PLMN"), 0) + 4 == l)
*atype = MMS_NUMBER_ADDRESS;
else if (octstr_case_search(s, octstr_imm("IPv4"), 0) + 4 == l)
*atype = MMS_IPV4_ADDRESS;
else if (octstr_case_search(s, octstr_imm("IPv6"), 0) + 4 == l)
*atype = MMS_IPV6_ADDRESS;
}
return (*atype == MMS_UNKNOWN_ADDRESS) ? -1 : 0;
}
static int decode_multipart(ParseContext *context, List *body)
{
int i=0, n;
n = parse_get_uintvar(context);
for (i = 0; i<n && parse_octets_left(context) > 0 ; i++) {
int dlen, hlen;
MIMEEntity *x = mime_entity_create();
List *headers;
Octstr *hs;
Octstr *content;
Octstr *content_type;
hlen = parse_get_uintvar(context);
dlen = parse_get_uintvar(context);
if (hlen < 0 || dlen < 0) {
int pleft = parse_octets_left(context);
mms_warning(0, NULL, NULL, "Parse error reading mime body [hlen=%d, dlen=%d, left=%d]!",
hlen,dlen, pleft);
mime_entity_destroy(x);
return -1;
}
parse_limit(context, hlen);
hs = parse_get_octets(context, parse_octets_left(context));
headers = wsp_headers_unpack(hs, 1);
octstr_destroy(hs);
strip_boundary_element(headers,NULL);
mime_replace_headers(x, headers);
parse_skip_to_limit(context);
parse_pop_limit(context);
content_type = http_header_value(headers, octstr_imm("Content-Type"));
content = parse_get_octets(context, dlen);
http_destroy_headers(headers);
if (!content || !content_type) {
int pleft = parse_octets_left(context);
mms_warning(0, NULL, NULL, "Parse error reading mime body [hlen=%d, dlen=%d, left=%d]!",
hlen,dlen, pleft);
mime_entity_destroy(x);
octstr_destroy(content_type);
octstr_destroy(content);
return -1;
}
if (octstr_case_compare(content_type,
octstr_imm("application/vnd.wap.multipart.related")) == 0 ||
octstr_case_compare(content_type,
octstr_imm("application/vnd.wap.multipart.alternative")) == 0 ||
octstr_case_compare(content_type,
octstr_imm("application/vnd.wap.multipart.mixed")) == 0) { /* Body is multipart. */
ParseContext *p = parse_context_create(content);
List *ml = gwlist_create();
int res = decode_multipart(p, ml);
parse_context_destroy(p);
if (res == 0) {
/* Put body parts into mime object. */
int j, m = gwlist_len(ml);
for (j = 0; j < m; j++)
mime_entity_add_part(x, gwlist_get(ml,j));
}
gwlist_destroy(ml, (gwlist_item_destructor_t *)mime_entity_destroy);
if (res < 0) {
octstr_destroy(content_type);
octstr_destroy(content);
return -1;
}
} else
mime_entity_set_body(x,content);
octstr_destroy(content);
octstr_destroy(content_type);
gwlist_append(body, x);
}
return 0;
}
static int encode_multipart(Octstr *os, List *body)
{
int i, j, n, m;
n = gwlist_len(body);
octstr_append_uintvar(os, n);
i = 0;
while (i<n) {
Octstr *mhdr, *mbody = octstr_create("");
MIMEEntity *x = gwlist_get(body, i);
List *headers = mime_entity_headers(x);
Octstr *s;
strip_boundary_element(headers,NULL);
mhdr = wsp_headers_pack(headers, 1, WSP_1_3);
http_destroy_headers(headers);
if ((m = mime_entity_num_parts(x)) > 0) { /* This is a multi-part,
* go down further.
*/
List *l = gwlist_create();
for (j = 0; j < m; j++)
gwlist_append(l, mime_entity_get_part(x, j));
encode_multipart(mbody, l);
gwlist_destroy(l, (gwlist_item_destructor_t *)mime_entity_destroy);
} else if ((s = mime_entity_body(x)) != NULL) {
octstr_append(mbody, s);
octstr_destroy(s);
}
octstr_append_uintvar(os, octstr_len(mhdr));
octstr_append_uintvar(os, octstr_len(mbody));
octstr_append(os, mhdr);
octstr_append(os, mbody);
octstr_destroy(mhdr);
octstr_destroy(mbody);
i++;
}
return 0;
}
static int decode_msgbody(ParseContext *context, MmsMsg *msg)
{
int res = 0;
if (msg->ismultipart) {
msg->body.l = gwlist_create();
res = decode_multipart(context, msg->body.l);
} else
msg->body.s = parse_get_rest(context);
return res;
}
static void encode_msgbody(Octstr *os, MmsMsg *msg)
{
if (msg->ismultipart)
encode_multipart(os, msg->body.l);
else
octstr_append(os, msg->body.s);
}
/* If ret < 0 then we need to get a field value, else we use what's passed. */
static Octstr *decode_encoded_string_value(int ret, ParseContext *context, unsigned char *hname)
{
int val;
int ret2;
Octstr *res = NULL;
long charset = UTF8_MIB_VAL;
ret2 = (ret < 0) ? wsp_field_value(context, &val) : ret;
if (ret2 == WSP_FIELD_VALUE_DATA) { /* expect charset text. */
wsp_secondary_field_value(context, &charset);
res = parse_get_nul_string(context);
if (ret < 0) {
parse_skip_to_limit(context);
parse_pop_limit(context);
}
} else if (ret2 != WSP_FIELD_VALUE_NUL_STRING) {
mms_warning(0, "mms_msg", NULL, "Faulty header value for %s! [ret=%d,ret2=%d]\n", hname,ret,ret2);
res = octstr_imm("");
} else { /* String may be RFC 2047 encoded */
int mib = UTF8_MIB_VAL;
Octstr *xs = parse_get_nul_string(context);
res = parse_rfc2047_text(xs, &mib);
octstr_destroy(xs);
charset = mib; /* Copy it over */
}
if (charset != UTF8_MIB_VAL && charset != US_ASCII_MIB_VAL) { /* Force to UTF-8 */
const char *_charset = mibenum_to_charset(charset);
Octstr *xcharset = _charset ? octstr_imm(_charset) : NULL;
Octstr *out = NULL;
if (xcharset != NULL && charset_to_utf8(res, &out, xcharset) > 0 && out) {
octstr_destroy(res);
res = out;
} else
octstr_destroy(out);
}
return res;
}
/* Decodes it, adds to 'unpacked' which is the header list.
* returns the first value token got when parsing value --
* useful for unpacking msg type
*/
static int mms_unpack_well_known_field(List *unpacked, int field_type,
ParseContext *context,
Octstr *xfrom, int msgtype,
char *unified_prefix, List *strip_prefixes)
{
int val, ret;
unsigned char *hname = NULL;
Octstr *decoded = NULL;
unsigned char *ch = NULL;
ret = wsp_field_value(context, &val);
if (parse_error(context)) {
mms_warning(0, "mms_msg", NULL, "Faulty header [code = %d], skipping remaining headers.", field_type);
parse_skip_to_limit(context);
return -2; /* serious error, bail out */
}
hname = mms_header_to_cstr(field_type);
if (ret == WSP_FIELD_VALUE_NUL_STRING)
decoded = parse_get_nul_string(context);
switch (field_type) {
case MMS_HEADER_TO:
case MMS_HEADER_CC:
case MMS_HEADER_BCC:
if (ret == WSP_FIELD_VALUE_DATA)
decoded = decode_encoded_string_value(ret, context, hname);
if (decoded)
_mms_fixup_address(&decoded, unified_prefix, strip_prefixes, 1);
if (decoded == NULL || mms_validate_address(decoded))
mms_warning(0, "mms_msg", NULL, "Faulty address [%s] format in field %s!",
octstr_get_cstr(decoded), hname);
break;
case MMS_HEADER_SUBJECT:
case MMS_HEADER_RETRIEVE_TEXT:
case MMS_HEADER_STORE_STATUS_TEXT:
if (ret == WSP_FIELD_VALUE_DATA)
decoded = decode_encoded_string_value(ret, context, hname);
break;
case MMS_HEADER_RESPONSE_TEXT:
if (msgtype == MMS_MSGTYPE_MBOX_DELETE_REQ &&
ret == WSP_FIELD_VALUE_DATA) {
int ret2;
decoded = wsp_unpack_integer_value(context);
ret2= wsp_field_value(context, &val);
if (decoded)
octstr_append(decoded, decode_encoded_string_value(ret2, context, hname));
else
mms_warning(0, "mms_msg", NULL, "Error decoding Header-Response-Text header value");
if (ret2 == WSP_FIELD_VALUE_DATA) { /* we need to skip to end of inner value-data. */
parse_skip_to_limit(context);
parse_pop_limit(context);
}
} else if (ret == WSP_FIELD_VALUE_DATA)
decoded = decode_encoded_string_value(ret, context, hname);
break;
case MMS_HEADER_TRANSACTION_ID:
case MMS_HEADER_MESSAGE_ID:
case MMS_HEADER_REPLY_CHARGING_ID:
if (ret != WSP_FIELD_VALUE_NUL_STRING)
mms_warning(0, "mms_msg", NULL, "Unexpected field value type %d for header %s\n",
ret, hname);
break;
/* MMS v1.2 mandates slightly different format,
* when used in m-mbox-delete.conf
*/
case MMS_HEADER_CONTENT_LOCATION:
if (ret == WSP_FIELD_VALUE_DATA) {
Octstr *t;
decoded = wsp_unpack_integer_value(context);
t = parse_get_nul_string(context);
if (decoded)
octstr_append(decoded, t);
else
mms_warning(0, "mms_msg", NULL, "error decoding value for header %s\n",
hname);
octstr_destroy(t);
} else if (ret != WSP_FIELD_VALUE_NUL_STRING)
mms_warning(0, "mms_msg", NULL, "Unexpected field value type %d for header %s\n",
ret, hname);
break;
case MMS_HEADER_MMS_VERSION:
if (ret == WSP_FIELD_VALUE_ENCODED)
decoded = wsp_unpack_version_value(val);
break;
/* integer/octet values */
case MMS_HEADER_DELIVERY_REPORT:
case MMS_HEADER_REPORT_ALLOWED:
case MMS_HEADER_READ_REPORT:
case MMS_HEADER_DISTRIBUTION_INDICATOR:
case MMS_HEADER_QUOTAS:
case MMS_HEADER_STORE:
case MMS_HEADER_STORED:
case MMS_HEADER_TOTALS:
ch = mms_reports_to_cstr(val);
break;
case MMS_HEADER_MESSAGE_TYPE:
ch = mms_message_type_to_cstr(val);
break;
case MMS_HEADER_PRIORITY:
ch = mms_priority_to_cstr(val);
break;
case MMS_HEADER_READ_STATUS:
ch = mms_read_status_to_cstr(val);
break;
case MMS_HEADER_REPLY_CHARGING:
ch = mms_reply_charging_to_cstr(val);
break;
case MMS_HEADER_RESPONSE_STATUS:
if (ret == WSP_FIELD_VALUE_DATA) {
unsigned char *x;
int val;
decoded = wsp_unpack_integer_value(context);
wsp_field_value(context, &val);
x = mms_response_status_to_cstr(val|0x80);
if (decoded && x)
octstr_append_cstr(decoded, (char *)x);
else
mms_warning(0, "mms_msg", NULL, "error decoding field_value_data value for header %s: val=%s\n",
hname, x ? (char *)x : (char *)"(null)");
} else
ch = mms_response_status_to_cstr(val|0x80);
break;
case MMS_HEADER_RETRIEVE_STATUS:
ch = mms_retrieve_status_to_cstr(val|0x80);
break;
case MMS_HEADER_STATUS:
ch = mms_status_to_cstr(val);
break;
case MMS_HEADER_SENDER_VISIBILITY:
ch = mms_visibility_to_cstr(val);
break;
case MMS_HEADER_MESSAGE_CLASS:
if (ret != WSP_FIELD_VALUE_NUL_STRING)
ch = mms_message_class_to_cstr(val);
break;
case MMS_HEADER_DATE: /* Date values. */
parse_skip(context, -1);
decoded = wsp_unpack_date_value(context);
break;
case MMS_HEADER_MESSAGE_SIZE:
case MMS_HEADER_REPLY_CHARGING_SIZE:
case MMS_HEADER_START:
case MMS_HEADER_LIMIT:
case MMS_HEADER_MESSAGE_COUNT:
parse_skip(context, -1);
decoded = wsp_unpack_integer_value(context);
break;
case MMS_HEADER_CONTENT_TYPE:
if (ret == WSP_FIELD_VALUE_ENCODED)
ch = wsp_content_type_to_cstr(val);
else if (ret == WSP_FIELD_VALUE_DATA)
decoded = wsp_unpack_accept_general_form(context);
break;
case MMS_HEADER_DELIVERY_TIME:
case MMS_HEADER_EXPIRY:
case MMS_HEADER_REPLY_CHARGING_DEADLINE:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Error in value format, field %s!",
hname);
else {
int n = parse_get_char(context);
if (n == 0x80) /* Absolute time */
decoded = wsp_unpack_date_value(context);
else if (n == 0x81) { /* Relative time. */
long l = 0;
time_t t = time(NULL);
Octstr *s = wsp_unpack_integer_value(context);
octstr_parse_long(&l, s, 0, 10);
octstr_destroy(s);
t += l;
decoded = date_format_http(t);
} else
decoded = date_format_http(time(NULL)); /* A default. */
}
break;
case MMS_HEADER_FROM:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Error in value format, field %s!",hname);
else {
int n = parse_get_char(context);
if (n == 0x80) /* Address present. */
decoded = decode_encoded_string_value(-1,context, hname);
else /* Insert address. */
decoded = octstr_duplicate(xfrom);
if (decoded)
_mms_fixup_address(&decoded, unified_prefix, strip_prefixes, 1);
if (decoded == NULL || mms_validate_address(decoded))
mms_warning(0, "mms_msg", NULL, "Faulty address [%s] format in field %s!",
octstr_get_cstr(decoded), hname);
}
break;
case MMS_HEADER_PREVIOUSLY_SENT_BY:
case MMS_HEADER_PREVIOUSLY_SENT_DATE:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Error in value format, field %s!",hname);
else {
Octstr *t;
decoded = wsp_unpack_integer_value(context);
if (field_type == MMS_HEADER_PREVIOUSLY_SENT_BY)
t = decode_encoded_string_value(-1, context, hname);
else
t = wsp_unpack_date_value(context);
if (decoded)
octstr_append(decoded, t);
else
mms_warning(0, "mms_msg", NULL, "error decoding value for header %s!",
hname);
octstr_destroy(t);
}
break;
/* From here on, these are MMS v1.2 thingies. a few are above as well... */
case MMS_HEADER_ATTRIBUTES:
ch = mms_header_to_cstr(val);
break;
case MMS_HEADER_ELEMENT_DESCRIPTOR:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Faulty header value for %s!\n", hname);
else { /* We expect a content reference and a list of parameters. */
Octstr *cr = parse_get_nul_string(context);
List *params = http_create_empty_headers();
Octstr *ps;
while (parse_octets_left(context) > 0) {
int val, ret;
Octstr *pname = NULL, *pval = NULL;
ret = wsp_field_value(context, &val);
if (ret == WSP_FIELD_VALUE_ENCODED)
pname = mms_descriptor_params_to_string(val|0x80);
else if (ret == WSP_FIELD_VALUE_NUL_STRING)
pname = parse_get_nul_string(context);
if (!pname)
continue;
ret = wsp_field_value(context, &val);
if (ret == WSP_FIELD_VALUE_ENCODED)
pval = wsp_content_type_to_string(val);
else if (ret == WSP_FIELD_VALUE_NUL_STRING)
pval = parse_get_nul_string(context);
if (pval) {
http_header_add(params, octstr_get_cstr(pname), octstr_get_cstr(pval));
octstr_destroy(pval);
}
octstr_destroy(pname);
}
ps = make_value_parameters(params);
decoded = octstr_format("%S%s%S", cr,
(ps && octstr_len(ps) > 0) ? "; " : "",
ps);
octstr_destroy(cr);
octstr_destroy(ps);
http_destroy_headers(params);
}
break;
case MMS_HEADER_MBOX_TOTALS:
case MMS_HEADER_MBOX_QUOTAS:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Faulty header value for %s!\n", hname);
else {
int n = parse_get_char(context);
decoded = wsp_unpack_integer_value(context);
if (decoded)
octstr_format_append(decoded, " %s", (n == 0x80) ? "msgs" : "bytes");
else
mms_warning(0, "mms_msg", NULL, "error decoding value for header %s!\n", hname);
}
break;
case MMS_HEADER_MM_FLAGS:
if (ret != WSP_FIELD_VALUE_DATA)
mms_warning(0, "mms_msg", NULL, "Faulty header value for %s!\n", hname);
else {
int n = parse_get_char(context);
char *s;
Octstr *p;
if (n == 0x80) /* Add, subtract or filter. */
s = "+";
else if (n == 0x81)
s = "-";
else
s = "/";
p = decode_encoded_string_value(-1,context, hname);
decoded = octstr_format("%s%S", s, p);
octstr_destroy(p);
}
break;
case MMS_HEADER_MM_STATE:
ch = mms_mm_state_to_cstr(val);
break;
case MMS_HEADER_STORE_STATUS:
ch = mms_store_status_to_cstr(val|0x80);
break;
default:
mms_warning(0, "mms_msg", NULL, "MMS: Unknown header with code 0x%02x!", field_type);
}
if (ret == WSP_FIELD_VALUE_DATA) {
parse_skip_to_limit(context);
parse_pop_limit(context);
}
if (ch == NULL && decoded != NULL)
ch = (unsigned char *)octstr_get_cstr(decoded);
if (ch == NULL)
goto value_error;
if (!hname) {
mms_warning(0, "mms_msg", NULL, "Unknown header number 0x%02x.", field_type);
goto value_error;
}
http_header_add(unpacked, (char *)hname, (char *)ch);
octstr_destroy(decoded);
return val; /* success (we hope) */
value_error:
mms_warning(0, "mms_msg", NULL, "Skipping faulty header [code=%d, val=%d]!", field_type, val);
octstr_destroy(decoded);
return -2;
}
static int decode_msgheaders(ParseContext *context, List *hdrs, Octstr *from,
int stop_on_ctype, char *unified_prefixes, List *strip_prefixes)
{
int fcont = 1;
int msgtype = 0;
gw_assert(hdrs != NULL);
while (fcont && parse_octets_left(context) &&
!parse_error(context)) {
int byte = parse_get_char(context);
int val = 0;
if (byte >= 0x80)
val = mms_unpack_well_known_field(hdrs, byte&0x7f, context, from, msgtype,
unified_prefixes, strip_prefixes);
else if (byte >= 0) {
parse_skip(context, -1); /* Go back a bit. */
wsp_unpack_app_header(hdrs, context);
}
if (val < -1) /* serious parser error occured above. */
break;
if ((byte&0x7f) == MMS_HEADER_CONTENT_TYPE &&
stop_on_ctype)
fcont = 0;
if ((byte&0x7f) == MMS_HEADER_MESSAGE_TYPE)
msgtype = val;
}
return 0;
}
static void mms_pack_well_known_field(Octstr *os, int field_type, Octstr *value)
{
Octstr *encoded = octstr_create("");
int ch = 0;
unsigned char c;
switch (field_type) {
case MMS_HEADER_TO:
case MMS_HEADER_CC:
case MMS_HEADER_BCC:
case MMS_HEADER_SUBJECT:
case MMS_HEADER_TRANSACTION_ID:
case MMS_HEADER_MESSAGE_ID:
case MMS_HEADER_REPLY_CHARGING_ID:
case MMS_HEADER_RETRIEVE_TEXT:
case MMS_HEADER_STORE_STATUS_TEXT:
{
int charset;
Octstr *xvalue = parse_rfc2047_text(value, &charset);
if (charset == US_ASCII_MIB_VAL) /* Leave as text */
wsp_pack_text(os, xvalue);
else { /* Need to use the other encoding */
wsp_pack_integer_value(encoded, charset);
wsp_pack_text(encoded,xvalue);
wsp_pack_value(os, encoded);
}
octstr_destroy(xvalue);
}
break;
case MMS_HEADER_RESPONSE_TEXT: /* make sure response status does not begin with digit!! Has special meaning*/
case MMS_HEADER_CONTENT_LOCATION:
if (isdigit(octstr_get_char(value, 0))) { /* begins with number. */
long i, l;
Octstr *s;
i = octstr_parse_long(&l, value, 0, 10);
if (i < 0) {
mms_warning(0, "mms_msg", NULL, "Bad counter for field %s!",
mms_header_to_cstr(field_type));
i = 0;
}
wsp_pack_integer_value(encoded, l);
s = octstr_copy(value, i, octstr_len(value));
octstr_strip_blanks(s);
wsp_pack_text(encoded,s);
wsp_pack_value(os, encoded);
octstr_destroy(s);
} else
wsp_pack_text(os, value);
break;
case MMS_HEADER_MMS_VERSION:
wsp_pack_version_value(os, value);
break;
/* integer/octet values: Need to stream line this with better error-checking */
case MMS_HEADER_DELIVERY_REPORT:
case MMS_HEADER_REPORT_ALLOWED:
case MMS_HEADER_READ_REPORT:
case MMS_HEADER_DISTRIBUTION_INDICATOR:
case MMS_HEADER_QUOTAS:
case MMS_HEADER_STORE:
case MMS_HEADER_STORED:
case MMS_HEADER_TOTALS:
pack_short_integer(os, mms_string_to_reports(value));
break;
case MMS_HEADER_MESSAGE_TYPE:
pack_short_integer(os, mms_string_to_message_type(value));
break;
case MMS_HEADER_PRIORITY:
pack_short_integer(os, mms_string_to_priority(value));
break;
case MMS_HEADER_READ_STATUS:
pack_short_integer(os, mms_string_to_read_status(value));
break;
case MMS_HEADER_REPLY_CHARGING:
pack_short_integer(os, mms_string_to_reply_charging(value));
break;
case MMS_HEADER_RESPONSE_STATUS:
if (isdigit(octstr_get_char(value, 0))) { /* begins with number. */
long i, l;
Octstr *s;
i = octstr_parse_long(&l, value, 0, 10);
if (i < 0) {
mms_warning(0, "mms_msg", NULL, "Bad counter for field %s!",
mms_header_to_cstr(field_type));
i = 0;
}
wsp_pack_integer_value(encoded, l);
s = octstr_copy(value, i, octstr_len(value));
octstr_strip_blanks(s);
pack_short_integer(encoded, mms_string_to_response_status(s));
wsp_pack_value(os, encoded);
octstr_destroy(s);
} else
pack_short_integer(os, mms_string_to_response_status(value));
break;
case MMS_HEADER_RETRIEVE_STATUS:
pack_short_integer(os, mms_string_to_retrieve_status(value));
break;
case MMS_HEADER_STATUS:
pack_short_integer(os, mms_string_to_status(value));
break;
case MMS_HEADER_SENDER_VISIBILITY:
pack_short_integer(os, mms_string_to_visibility(value));
break;
case MMS_HEADER_MESSAGE_CLASS:
ch = mms_string_to_message_class(value);
if (ch < 0)
wsp_pack_text(os, value);
else
pack_short_integer(os, ch);
break;
case MMS_HEADER_DATE: /* Date values. */
wsp_pack_date(os, value);
break;
case MMS_HEADER_MESSAGE_SIZE:
case MMS_HEADER_REPLY_CHARGING_SIZE:
case MMS_HEADER_START:
case MMS_HEADER_LIMIT:
case MMS_HEADER_MESSAGE_COUNT:
wsp_pack_integer_string(os, value);
break;
case MMS_HEADER_CONTENT_TYPE:
wsp_pack_content_type(os, value);
break;
case MMS_HEADER_DELIVERY_TIME:
case MMS_HEADER_EXPIRY:
case MMS_HEADER_REPLY_CHARGING_DEADLINE:
if (octstr_isnum(value) == 1) { /* A delta value. */
long l;
sscanf(octstr_get_cstr(value), "%ld", &l);
c = 129;
octstr_append_char(encoded, c);
wsp_pack_long_integer(encoded, l);
} else { /* Must be a date value .*/
c = 128;
octstr_append_char(encoded, c);
wsp_pack_date(encoded, value);
}
wsp_pack_value(os, encoded);
break;
case MMS_HEADER_FROM:
if (octstr_compare(octstr_imm("#insert"), value) == 0) {
c = 129;
octstr_append_data(encoded, (char *)&c, 1);
} else {
c = 128;
octstr_append_data(encoded, (char *)&c, 1);
wsp_pack_text(encoded, value);
}
wsp_pack_value(os, encoded);
break;
case MMS_HEADER_PREVIOUSLY_SENT_BY:
case MMS_HEADER_PREVIOUSLY_SENT_DATE:
{
long i, l;
Octstr *s;
i = octstr_parse_long(&l, value, 0, 10);
if (i <0) {
mms_warning(0, "mms_msg", NULL, "Bad counter indicator for field!");
i = 0;
}
wsp_pack_integer_value(encoded, l);
s = octstr_copy(value, i, octstr_len(value));
octstr_strip_blanks(s);
if (field_type == MMS_HEADER_PREVIOUSLY_SENT_BY)
wsp_pack_text(encoded, s);
else
wsp_pack_date(encoded, s);
octstr_destroy(s);
wsp_pack_value(os, encoded);
}
break;
case MMS_HEADER_MM_STATE:
pack_short_integer(os, mms_string_to_mm_state(value));
break;
case MMS_HEADER_STORE_STATUS:
pack_short_integer(os, mms_string_to_store_status(value));
break;
case MMS_HEADER_MM_FLAGS:
{
Octstr *s;
int i = 1;
ch = octstr_get_char(value, 0);
if (ch == '+')
pack_short_integer(encoded, 0x80);
else if (ch == '-')
pack_short_integer(encoded, 0x81);
else if (ch == '/')
pack_short_integer(encoded, 0x82);
else {
i = 0;
pack_short_integer(encoded, 0x82); /* default is filter. */
}
s = octstr_copy(value, i, octstr_len(value));
wsp_pack_text(encoded, s);
wsp_pack_value(os, encoded);
octstr_destroy(s);
}
break;
case MMS_HEADER_ATTRIBUTES:
ch = mms_string_to_header(value);
pack_short_integer(os, ch);
break;
case MMS_HEADER_MBOX_TOTALS:
case MMS_HEADER_MBOX_QUOTAS:
{
long i, l;
i = octstr_parse_long(&l, value, 0, 10);
if (i <0) {
mms_warning(0, "mms_msg", NULL, "Bad quota value for field %s!", mms_header_to_cstr(field_type));
i = 0;
}
if (octstr_case_search(value, octstr_imm("bytes"), i) < 0)
ch = 0x80;
else
ch = 0x81;
pack_short_integer(encoded, ch);
wsp_pack_integer_value(encoded, l);
wsp_pack_value(os, encoded);
}
break;
case MMS_HEADER_ELEMENT_DESCRIPTOR:
{
Octstr *cv, *cpar;
List *params;
int i, n;
split_header_value(value, &cv, &cpar);
params = get_value_parameters(cpar);
wsp_pack_text(encoded, cv);
n = gwlist_len(params);
for (i = 0; i<n; i++) {
Octstr *h, *v;
int ch;
http_header_get(params, i, &h, &v);
ch = mms_string_to_descriptor_params(h);
if (ch < 0)
wsp_pack_text(encoded, h);
else
pack_short_integer(encoded, ch);
ch = wsp_string_to_content_type(v);
if (ch < 0)
wsp_pack_text(encoded, v);
else
pack_short_integer(encoded, ch);
octstr_destroy(h);
octstr_destroy(v);
}
octstr_destroy(cv);
octstr_destroy(cpar);
http_destroy_headers(params);
wsp_pack_value(os, encoded);
}
break;
default:
mms_warning(0, "mms_msg", NULL, "MMS: Unknown header with code 0x%02x!", field_type);
}
octstr_destroy(encoded);
return;
}
static int encode_msgheaders(Octstr *os, List *hdrs)
{
int fcont = 1;
int i, l = gwlist_len(hdrs), mtype;
Octstr *msgtype = NULL, *transid = NULL, *version = NULL, *ctype;
strip_boundary_element(hdrs,NULL);
/* First ensure that top headers are in place. */
version = http_header_value(hdrs,
octstr_imm("X-Mms-MMS-Version"));
transid = http_header_value(hdrs,
octstr_imm("X-Mms-Transaction-Id"));
msgtype = http_header_value(hdrs,
octstr_imm("X-Mms-Message-Type"));
ctype = http_header_value(hdrs,
octstr_imm("Content-Type"));
mtype = mms_string_to_message_type(msgtype);
pack_short_integer(os, MMS_HEADER_MESSAGE_TYPE);
pack_short_integer(os, mtype);
octstr_destroy(msgtype);
if (transid) {
pack_short_integer(os, MMS_HEADER_TRANSACTION_ID);
wsp_pack_text(os, transid);
octstr_destroy(transid);
}
pack_short_integer(os, MMS_HEADER_MMS_VERSION);
wsp_pack_version_value(os, version);
octstr_destroy(version);
/* Now pack the rest. */
for (i = 0; fcont && i < l; i++) {
Octstr *field = NULL, *value = NULL;
int htype;
http_header_get(hdrs, i, &field, &value);
htype = mms_string_to_header(field);
if (htype == MMS_HEADER_MMS_VERSION ||
htype == MMS_HEADER_MESSAGE_TYPE ||
htype == MMS_HEADER_TRANSACTION_ID ||
htype == MMS_HEADER_CONTENT_TYPE)
goto loop1;
if (htype < 0)
wsp_pack_application_header(os, field, value);
else {
pack_short_integer(os, htype);
mms_pack_well_known_field(os, htype, value);
}
loop1:
if (field) octstr_destroy(field);
if (value) octstr_destroy(value);
}
if (ctype) {
pack_short_integer(os, MMS_HEADER_CONTENT_TYPE);
wsp_pack_content_type(os, ctype);
octstr_destroy(ctype);
} else if (mtype == MMS_MSGTYPE_SEND_REQ ||
mtype == MMS_MSGTYPE_RETRIEVE_CONF)
mms_warning(0, "mms_msg", NULL, "MMS: Content type missing in encode_headers!");
return 0;
}
/* Does basic fixups on a message. */
static int fixup_msg(MmsMsg *m, Octstr *from)
{
Octstr *ver = NULL;
Octstr *s = NULL;
if (!m)
return -1;
ver = http_header_value(m->headers, octstr_imm("X-Mms-MMS-Version"));
if (!ver || octstr_str_compare(ver, "1.1") <= 0) {
m->enc = MS_1_1;
if (!ver)
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
} else if (octstr_str_compare(ver, "1.2") <= 0)
m->enc = MS_1_2;
http_header_remove_all(m->headers, "MIME-Version");
switch (m->message_type) {
case MMS_MSGTYPE_SEND_REQ:
case MMS_MSGTYPE_RETRIEVE_CONF:
case MMS_MSGTYPE_FORWARD_REQ:
/* Check for from. */
if (from && (s = http_header_value(m->headers, octstr_imm("From"))) == NULL)
http_header_add(m->headers, "From", octstr_get_cstr(from));
else
octstr_destroy(s);
/* Check for date. */
if ((s = http_header_value(m->headers, octstr_imm("Date"))) == NULL) {
Octstr *t = date_format_http(time(NULL));
http_header_add(m->headers, "Date", octstr_get_cstr(t));
octstr_destroy(t);
} else
octstr_destroy(s);
/* check for transaction ID. */
if ((s = http_header_value(m->headers, octstr_imm("X-Mms-Transaction-ID"))) == NULL) {
if (m->message_type != MMS_MSGTYPE_RETRIEVE_CONF)
http_header_add(m->headers, "X-Mms-Transaction-ID", "00001");
} else
octstr_destroy(s);
#if 0 /* This will be done elsewhere. */
/* Check for msgid, put in if missing. */
if ((s = http_header_value(m->headers, octstr_imm("Message-ID"))) == NULL)
http_header_add(m->headers, "Message-ID", "00000");
else
octstr_destroy(s);
#endif
/* check for content-type. */
if ((s = http_header_value(m->headers, octstr_imm("Content-Type"))) == NULL) {
char *ctype;
if (m->body.s == NULL ||
(!m->ismultipart &&
octstr_check_range(m->body.s, 0,
octstr_len(m->body.s), _mms_gw_isprint) == 0))
ctype = "application/octet-stream";
else if (m->ismultipart)
ctype = "application/vnd.wap.multipart.mixed";
else
ctype = "text/plain";
http_header_add(m->headers, "Content-Type", ctype);
} else
octstr_destroy(s);
strip_boundary_element(m->headers, NULL); /* remove top-level boundary element if any. */
break;
case MMS_MSGTYPE_SEND_CONF:
case MMS_MSGTYPE_NOTIFICATION_IND:
case MMS_MSGTYPE_DELIVERY_IND:
case MMS_MSGTYPE_READ_REC_IND:
case MMS_MSGTYPE_READ_ORIG_IND:
http_header_remove_all(m->headers, "Content-Type"); /* Just in case, particularly from mime! */
break;
}
octstr_destroy(ver);
return 0;
}
mms_encoding mms_message_enc(MmsMsg *msg)
{
gw_assert(msg);
return msg->enc;
}
MmsMsg *mms_frombinary_ex(Octstr *msg, Octstr *from, char *unified_prefix, List *strip_prefixes)
{
int res = 0;
MmsMsg _m = {0}, *m = NULL;
ParseContext *p;
Octstr *s;
if (!msg)
return NULL;
p = parse_context_create(msg);
mms_strings_init(); /* Just in case. */
_m.headers = gwlist_create();
decode_msgheaders(p, _m.headers, from, 1, unified_prefix, strip_prefixes);
if (_m.headers == NULL ||
gwlist_len(_m.headers) == 0)
goto done;
/* Get the message type and also set flag for whether multipart.*/
s = http_header_value(_m.headers, octstr_imm("Content-Type"));
if (s &&
octstr_search(s, octstr_imm("application/vnd.wap.multipart"), 0) == 0)
_m.ismultipart = 1;
octstr_destroy(s);
s = http_header_value(_m.headers, octstr_imm("X-Mms-Message-Type"));
if (s) {
_m.message_type = mms_string_to_message_type(s);
octstr_destroy(s);
} else
goto done;
s = http_header_value(_m.headers, octstr_imm("Message-ID"));
_m.msgId = s;
if ((res = decode_msgbody(p, &_m)) < 0) /* A body decode error occured. */
goto done;
m = gw_malloc(sizeof m[0]); /* all ok, copy. */
*m = _m;
fixup_msg(m, from);
done:
parse_context_destroy(p);
if (!m) { /* This means an error occurred. Delete the interim stuff. */
MmsMsg *msg = &_m;
if (msg->ismultipart)
gwlist_destroy(msg->body.l, (gwlist_item_destructor_t *)mime_entity_destroy);
else
octstr_destroy(msg->body.s);
http_destroy_headers(msg->headers);
octstr_destroy(msg->msgId);
}
return m;
}
static void _x_mime_entity_dump(MIMEEntity *x, int level, int headers_only)
{
int i,m, ism;
List *h;
Octstr *body;
ism = ((m = mime_entity_num_parts(x)) > 0);
debug("part.dump", 0, "%sMultipart -> ", ism ? "" : "Not ");
h = mime_entity_headers(x);
strip_boundary_element(h,NULL);
http_header_dump(h);
http_destroy_headers(h);
if (ism)
for (i = 0; i<m; i++) {
MIMEEntity *xm = mime_entity_get_part(x, i);
_x_mime_entity_dump(xm, level+1, headers_only);
mime_entity_destroy(xm);
}
else if ((body = mime_entity_body(x)) != NULL) {
if (!headers_only)
octstr_dump(body, level);
octstr_destroy(body);
}
}
void mms_msgdump(MmsMsg *m, int headers_only)
{
int i, n;
if (!m)
return;
http_header_dump(m->headers);
debug("mms.dump", 0, "Dumping MMS message body (%s) [%ld parts] --> ",
m->ismultipart ? "mulitpart" : "not multipart",
m->ismultipart ? gwlist_len(m->body.l) : 0);
if (m->ismultipart)
for (i = 0, n = gwlist_len(m->body.l); i< n; i++) {
MIMEEntity *x = gwlist_get(m->body.l, i);
debug("mms.dump", 0, "--->Message part: %d --->", i);
_x_mime_entity_dump(x,0,headers_only);
}
else if (!headers_only)
octstr_dump(m->body.s, 0);
}
Octstr *mms_tobinary(MmsMsg *msg)
{
Octstr *s;
if (!msg)
return NULL;
s = octstr_create("");
encode_msgheaders(s, msg->headers);
if (msg->body.s)
encode_msgbody(s, msg);
return s;
}
int mms_messagetype(MmsMsg *msg)
{
gw_assert(msg);
return msg->message_type;
}
static int convert_mime_msg(MIMEEntity *m)
{
int i, n, res = 0;
Octstr *content_type = NULL, *params = NULL;
char *s = NULL;
List *h = mime_entity_headers(m);
n = get_content_type(h, &content_type, &params);
if (n == 0 && content_type) {
if (octstr_str_compare(content_type,
"application/vnd.wap.multipart.related") == 0)
s = "multipart/related";
else if (octstr_str_compare(content_type,
"application/vnd.wap.multipart.alternative") == 0)
s = "multipart/alternative";
else if (octstr_str_compare(content_type,
"application/vnd.wap.multipart.mixed") == 0)
s = "multipart/mixed";
}
if (s) {
Octstr *value;
if (params && octstr_len(params) > 0) {
List *ph = get_value_parameters(params); /* unpack then re-pack them with proper quoting for mime.*/
Octstr *ps = make_value_parameters(ph);
value = octstr_format("%s; %S", s, params);
octstr_destroy(ps);
http_destroy_headers(ph);
} else
value = octstr_create(s);
http_header_remove_all(h, "Content-Type");
http_header_add(h, "Content-Type", octstr_get_cstr(value));
mime_replace_headers(m,h);
octstr_destroy(value);
res = 1;
}
http_destroy_headers(h);
if ((n = mime_entity_num_parts(m)) > 0)
for (i = 0; i < n; i++) {
MIMEEntity *x = mime_entity_get_part(m, i);
int xres = convert_mime_msg(x);
if (xres) {
mime_entity_replace_part(m, i, x);
res = 1;
}
mime_entity_destroy(x);
}
octstr_destroy(params);
octstr_destroy(content_type);
return res;
}
static int unconvert_mime_msg(MIMEEntity *m)
{
int i, n, res = 0;
Octstr *content_type, *params;
char *s = NULL;
List *h = mime_entity_headers(m);
n = get_content_type(h, &content_type, &params);
if (n == 0 && content_type) {
if (octstr_case_compare(content_type,
octstr_imm("multipart/related")) == 0)
s = "application/vnd.wap.multipart.related";
else if (octstr_case_compare(content_type,
octstr_imm("multipart/alternative")) == 0)
s = "application/vnd.wap.multipart.alternative";
else if (octstr_case_compare(content_type,
octstr_imm("multipart/mixed")) == 0)
s = "application/vnd.wap.multipart.mixed";
else if (DRM_CONTENT_TYPE(content_type) &&
mime_entity_num_parts(m) > 0) { /* fixup drm that might have been screwed up. */
Octstr *x = mime_entity_body(m);
while (mime_entity_num_parts(m) > 0) /* remove them all. this message must not be parsed as mime. */
mime_entity_remove_part(m, 0);
mime_entity_set_body(m, x);
octstr_destroy(x);
}
res = 1;
}
if (s)
strip_boundary_element(h,s);
mime_replace_headers(m, h);
http_destroy_headers(h);
octstr_destroy(params);
octstr_destroy(content_type);
if ((n = mime_entity_num_parts(m)) > 0)
for (i = 0; i < n; i++) {
MIMEEntity *x = mime_entity_get_part(m, i);
int xres = unconvert_mime_msg(x);
if (xres) {
mime_entity_replace_part(m, i, x);
res = 1;
}
mime_entity_destroy(x);
}
return res;
}
MIMEEntity *mms_tomime(MmsMsg *msg, int base64)
{
MIMEEntity *m;
int i, n;
if (!msg)
return NULL;
m = mime_entity_create();
mime_replace_headers(m, msg->headers);
if (!msg->ismultipart)
mime_entity_set_body(m, msg->body.s);
else {
for (i = 0, n = gwlist_len(msg->body.l); i < n; i++) {
MIMEEntity *mx = gwlist_get(msg->body.l, i);
mime_entity_add_part(m, mx);
}
}
convert_mime_msg(m);
if (base64)
base64_mimeparts(m,0);
return m;
}
static void fixup_date(List *headers, Octstr *hname)
{
Octstr *s;
if ((s = http_header_value(headers, hname)) != NULL) {
struct tm xtm, ytm, *tm;
time_t t = time(NULL), t2;
char buf[64], *p, *q;
http_header_remove_all(headers, octstr_get_cstr(hname));
localtime_r(&t, &xtm); /* Initialise it. */
strptime(octstr_get_cstr(s), "%a, %d %b %Y %T %z", &xtm); /* Parse date value with time zone. */
t2 = gw_mktime(&xtm); /* Convert to unix time... */
tm = gmtime_r(&t2, &ytm); /* Then convert to GM time. */
if (!tm || asctime_r(tm, buf) == NULL) /* Then convert to ascii. If that fails...*/
ctime_r(&t, buf); /* .. just use current time. */
/* Strip leading and trailing blanks. */
for (p = buf; *p && p < buf + sizeof buf; p++)
if (!isspace(*p))
break;
q = p + (strlen(p) - 1);
while (isspace(*q) && q > p)
*q-- = 0;
http_header_add(headers, octstr_get_cstr(hname), p);
octstr_destroy(s);
}
}
MmsMsg *mms_frommime(MIMEEntity *mime)
{
MmsMsg *m;
Octstr *s;
MIMEEntity *mx;
int i, n;
List *h;
if (!mime)
return NULL;
m = gw_malloc(sizeof *m);
memset(m, 0, sizeof *m);
mx = mime_entity_duplicate(mime);
unconvert_mime_msg(mx); /* Fix-up content type issues. */
unpack_mimeheaders(mx);
unbase64_mimeparts(mx);
m->headers = mime_entity_headers(mx);
if ((n = mime_entity_num_parts(mx)) > 0) {
m->ismultipart = 1;
m->body.l = gwlist_create();
for (i = 0; i < n; i++)
gwlist_append(m->body.l, mime_entity_get_part(mx, i));
} else {
m->ismultipart = 0;
m->body.s = mime_entity_body(mx);
}
mime_entity_destroy(mx); /* Because all its bits are used above. XXX not very clean! */
/* Now check for important headers. If missing, put them in - MsgId fixup - Vince */
s = http_header_value(m->headers, octstr_imm("Message-ID"));
if (s) {
octstr_replace(s, octstr_imm("<"), octstr_imm(""));
octstr_replace(s, octstr_imm(">"), octstr_imm(""));
if (octstr_get_char(s, 0) == '"') {
octstr_delete(s, 0, 1);
octstr_delete(s, octstr_len(s)-1, 1);
}
http_header_remove_all(m->headers, "Message-ID");
http_header_add(m->headers, "Message-ID", octstr_get_cstr(s));
m->msgId = octstr_duplicate(s);
octstr_destroy(s);
}
/* Default type is send */
if ((s = http_header_value(m->headers, octstr_imm("X-Mms-Message-Type"))) == NULL ||
octstr_compare(s, octstr_imm("MM4_forward.REQ")) == 0) {
http_header_remove_all(m->headers, "X-Mms-Message-Type");
http_header_add(m->headers, "X-Mms-Message-Type",
(char *)mms_message_type_to_cstr(MMS_MSGTYPE_SEND_REQ));
m->message_type = MMS_MSGTYPE_SEND_REQ;
if (s)
octstr_destroy(s);
} else {
m->message_type = mms_string_to_message_type(s);
if (m->message_type < 0) {
mms_error(0, NULL, NULL, "Unknown message type: %s while parsing mime entity.", octstr_get_cstr(s));
octstr_destroy(s);
goto failed;
}
octstr_destroy(s);
}
if ((s = http_header_value(m->headers, octstr_imm("X-Mms-MMS-Version"))) == NULL)
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
else
octstr_destroy(s);
/* Fix-up date strings: Put it in GMT format, since it might not be. */
fixup_date(m->headers, octstr_imm("Date"));
fixup_date(m->headers, octstr_imm("X-Mms-Expiry"));
fixup_date(m->headers, octstr_imm("X-Mms-Delivery-Time"));
fixup_date(m->headers, octstr_imm("X-Mms-Previously-Sent-Date"));
fixup_date(m->headers, octstr_imm("X-Mms-Reply-Charging-Deadline"));
/* rebuild headers, skipping bad ones. */
h = http_create_empty_headers();
for (i = 0; i<gwlist_len(m->headers); i++) {
Octstr *name = NULL, *value = NULL;
http_header_get(m->headers, i, &name, &value);
if (mms_is_token(name)) /* if header name is bad, kill this header field. */
http_header_add(h, octstr_get_cstr(name), octstr_get_cstr(value));
octstr_destroy(name);
octstr_destroy(value);
}
http_destroy_headers(m->headers);
m->headers = h;
/* XXXX Probably ought to handle some more headers here:
* Return-Receipt-To becomes Read request is yes
* Disposition-Notification-To: becomes X-Mms-Delivery-Report = Yes
*/
/* XXXX Also need to validate this message a bit better. */
fixup_msg(m, octstr_imm("anon@unknown"));
return m;
failed:
mms_destroy(m);
return NULL;
}
void mms_destroy(MmsMsg *msg)
{
if (!msg)
return;
if (msg->ismultipart)
gwlist_destroy(msg->body.l, (gwlist_item_destructor_t *)mime_entity_destroy);
else if (msg->body.s)
octstr_destroy(msg->body.s);
http_destroy_headers(msg->headers);
if (msg->msgId)
octstr_destroy(msg->msgId);
gw_free(msg);
}
List *mms_message_headers(MmsMsg *msg)
{
gw_assert(msg);
return http_header_duplicate(msg->headers);
}
MmsMsg *mms_readreport(Octstr *msgid, Octstr *from, Octstr *to, time_t date, Octstr *status)
{
MmsMsg *m;
Octstr *s;
m = gw_malloc(sizeof *m);
m->ismultipart = 0;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_READ_ORIG_IND;
m->body.s = NULL;
m->msgId = octstr_duplicate(msgid ? msgid : octstr_imm("none"));
/* Now append headers. */
http_header_add(m->headers, "X-Mms-Message-Type", "m-read-orig-ind");
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
http_header_add(m->headers, "Message-ID", msgid ? octstr_get_cstr(msgid) : "none");
http_header_add(m->headers, "To", octstr_get_cstr(to));
http_header_add(m->headers, "From", octstr_get_cstr(from));
s = date_format_http(date);
http_header_add(m->headers, "Date", octstr_get_cstr(s));
http_header_add(m->headers, "X-Mms-Status", octstr_get_cstr(status));
octstr_destroy(s);
return m;
}
MmsMsg *mms_deliveryreport(Octstr *msgid, Octstr *from, Octstr *to, time_t date, Octstr *status)
{
MmsMsg *m = gw_malloc(sizeof *m);
Octstr *s;
m->ismultipart = 0;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_DELIVERY_IND;
m->body.s = NULL;
m->msgId = octstr_duplicate(msgid ? msgid : octstr_imm("none"));
/* Now append headers. */
http_header_add(m->headers, "X-Mms-Message-Type", "m-delivery-ind");
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
http_header_add(m->headers, "Message-ID", msgid ? octstr_get_cstr(msgid) : "none");
if (to)
http_header_add(m->headers, "To", octstr_get_cstr(to));
if (from)
http_header_add(m->headers, "From", octstr_get_cstr(from));
s = date_format_http(date);
http_header_add(m->headers, "Date", octstr_get_cstr(s));
http_header_add(m->headers, "X-Mms-Status", octstr_get_cstr(status));
octstr_destroy(s);
return m;
}
MmsMsg *mms_notification(Octstr *from, Octstr *subject,
Octstr *mclass,
unsigned int msize, Octstr *url,
Octstr *transactionid, time_t expiryt, int optimizesize)
{
MmsMsg *m = gw_malloc(sizeof *m);
char buf[10];
time_t tnow = time(NULL);
m->ismultipart = 0;
m->msgId = NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_NOTIFICATION_IND;
http_header_add(m->headers, "X-Mms-Message-Type", "m-notification-ind");
http_header_add(m->headers, "X-Mms-Transaction-ID",
octstr_get_cstr(transactionid));
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
if (from)
http_header_add(m->headers, "From", octstr_get_cstr(from));
if (subject && !optimizesize)
http_header_add(m->headers, "Subject", octstr_get_cstr(subject));
http_header_add(m->headers, "X-Mms-Message-Class",
mclass ? octstr_get_cstr(mclass) : "Personal");
sprintf(buf, "%d", msize);
http_header_add(m->headers, "X-Mms-Message-Size", buf);
#define LARGET 365*24*3600
sprintf(buf, "%ld", expiryt ? expiryt - tnow : LARGET);
http_header_add(m->headers, "X-Mms-Expiry", buf);
/* No reply charge stuff for now. */
http_header_add(m->headers, "X-Mms-Content-Location", octstr_get_cstr(url));
return m;
}
MmsMsg *mms_retrieveconf(MmsMsg *msg, Octstr *transactionid,
char *err, char *errtxt, Octstr *opt_from,
int menc)
{
MmsMsg *m;
m = gw_malloc(sizeof *m);
m->msgId = msg ? octstr_duplicate(msg->msgId) : octstr_imm("00000");
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_RETRIEVE_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-retrieve-conf");
if (transactionid)
http_header_add(m->headers, "X-Mms-Transaction-ID",
octstr_get_cstr(transactionid));
if (menc >= MS_1_2)
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2");
else
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
if (!msg) {
Octstr *x = date_format_http(time(NULL));
m->ismultipart = 0;
http_header_add(m->headers, "Date", octstr_get_cstr(x));
http_header_add(m->headers, "X-Mms-Retrieve-Status",err);
if (err)
http_header_add(m->headers, "X-Mms-Retrieve-Text",err);
if (opt_from)
http_header_add(m->headers, "From", octstr_get_cstr(opt_from));
http_header_add(m->headers, "Content-Type", "text/plain");
if (errtxt)
m->body.s = octstr_create(errtxt);
else
m->body.s = octstr_create(" ");
octstr_destroy(x);
} else { /* Otherwise copy from message. */
List *h = mms_message_headers(msg);
int i, n;
#if 0 /* Some phones do not like this header! */
http_header_add(m->headers, "X-Mms-Retrieve-Status", "Ok");
#endif
http_header_combine(h, m->headers);
http_destroy_headers(m->headers);
m->headers = h;
m->ismultipart = msg->ismultipart;
if (!m->ismultipart)
m->body.s = octstr_duplicate(msg->body.s);
else
/* Body is a list of MIMEEntities, so recreate it. */
for (m->body.l = gwlist_create(), i = 0,
n = gwlist_len(msg->body.l);
i<n; i++)
gwlist_append(m->body.l,
mime_entity_duplicate(gwlist_get(msg->body.l, i)));
/* Remove some headers that may not be permitted. */
mms_remove_headers(m, "X-Mms-Expiry");
mms_remove_headers(m, "X-Mms-Delivery-Time");
mms_remove_headers(m, "X-Mms-Sender-Visibility");
}
return m;
}
int mms_remove_headers(MmsMsg *m, char *name)
{
gw_assert(m);
http_header_remove_all(m->headers, name);
return 0;
}
MmsMsg *mms_sendconf(char *errstr, char *msgid, char *transid, int isforward, int menc)
{
MmsMsg *m = gw_malloc(sizeof *m);
m->ismultipart = 0;
m->msgId = msgid ? octstr_create(msgid) : NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
if (!isforward) {
m->message_type = MMS_MSGTYPE_SEND_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-send-conf");
} else {
m->message_type = MMS_MSGTYPE_FORWARD_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-forward-conf");
}
http_header_add(m->headers, "X-Mms-Transaction-ID", transid);
if (menc >= MS_1_2)
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2");
else
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
http_header_add(m->headers, "X-Mms-Response-Status", errstr);
if (msgid)
http_header_add(m->headers, "Message-ID", msgid);
return m;
}
MmsMsg *mms_notifyresp_ind(char *transid, int menc, char *status, int report_allowed)
{
MmsMsg *m = gw_malloc(sizeof *m);
m->ismultipart = 0;
m->msgId = NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_NOTIFYRESP;
http_header_add(m->headers, "X-Mms-Message-Type", "m-notifyresp-ind");
http_header_add(m->headers, "X-Mms-Transaction-ID", transid);
if (menc >= MS_1_2)
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2");
else
http_header_add(m->headers, "X-Mms-MMS-Version", MMS_DEFAULT_VERSION);
http_header_add(m->headers, "X-Mms-Status", status);
http_header_add(m->headers, "X-Mms-Report-Allowed", report_allowed ? "Yes" : "No");
return m;
}
int mms_make_sendreq(MmsMsg *retrieveconf)
{
gw_assert(retrieveconf);
if (retrieveconf->message_type == MMS_MSGTYPE_SEND_REQ)
return 0;
gw_assert(retrieveconf->message_type == MMS_MSGTYPE_RETRIEVE_CONF);
retrieveconf->message_type = MMS_MSGTYPE_SEND_REQ;
mms_replace_header_value(retrieveconf, "X-Mms-Message-Type",
(char *)mms_message_type_to_cstr(MMS_MSGTYPE_SEND_REQ));
return 0;
}
int mms_replace_header_value(MmsMsg *msg, char *hname, char *value)
{
gw_assert(msg);
http_header_remove_all(msg->headers, hname);
http_header_add(msg->headers, hname, value);
return 0;
}
int mms_add_missing_headers(MmsMsg *msg, List *headers)
{
List *h;
gw_assert(msg);
h = http_header_duplicate(headers);
http_header_combine(h, msg->headers);
http_destroy_headers(msg->headers);
msg->headers = h;
return 0;
}
int mms_replace_header_values(MmsMsg *msg, char *hname, List *value)
{
int i;
gw_assert(msg);
http_header_remove_all(msg->headers, hname);
for (i = 0; i < gwlist_len(value); i++) {
Octstr *x = gwlist_get(value, i);
http_header_add(msg->headers, hname, octstr_get_cstr(x));
}
return 0;
}
Octstr *mms_get_header_value(MmsMsg *msg, Octstr *header)
{
gw_assert(msg);
return http_header_value(msg->headers, header);
}
List *mms_get_header_values(MmsMsg *msg, Octstr *header)
{
List *h;
List *l;
int i;
gw_assert(msg);
l = gwlist_create();
h = http_header_find_all(msg->headers, octstr_get_cstr(header));
for (i = 0; i < gwlist_len(h); i++) {
Octstr *hname, *value;
http_header_get(h, i, &hname, &value);
gwlist_append(l, value);
octstr_destroy(hname);
}
http_destroy_headers(h);
return l;
}
int mms_convert_readrec2readorig(MmsMsg *msg)
{
Octstr *s;
gw_assert(msg);
if (msg->message_type != MMS_MSGTYPE_READ_REC_IND)
return -1;
mms_replace_header_value(msg, "X-Mms-Message-Type", "m-read-orig-ind");
msg->message_type = MMS_MSGTYPE_READ_ORIG_IND;
if ((s = mms_get_header_value(msg, octstr_imm("Date"))) == NULL) {
time_t t = time(NULL);
s = date_format_http(t);
mms_replace_header_value(msg, "Date", octstr_get_cstr(s));
}
octstr_destroy(s);
return 0;
}
MmsMsg *mms_storeconf(char *errstr, char *transid, Octstr *msgloc, int isupload, int menc)
{
MmsMsg *m = gw_malloc(sizeof *m);
m->ismultipart = 0;
m->msgId = NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
if (!isupload) {
m->message_type = MMS_MSGTYPE_MBOX_STORE_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-mbox-store-conf");
} else {
m->message_type = MMS_MSGTYPE_MBOX_UPLOAD_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-mbox-upload-conf");
}
http_header_add(m->headers, "X-Mms-Transaction-ID", transid);
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2"); /* ignore menc for now. */
http_header_add(m->headers, "X-Mms-Store-Status", errstr);
if (msgloc)
http_header_add(m->headers, "X-Mms-Content-Location", octstr_get_cstr(msgloc));
return m;
}
MmsMsg *mms_deleteconf(int menc, char *transid)
{
MmsMsg *m = gw_malloc(sizeof *m);
m->ismultipart = 0;
m->msgId = NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_MBOX_DELETE_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-mbox-delete-conf");
http_header_add(m->headers, "X-Mms-Transaction-ID", transid);
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2"); /* ignore menc for now. */
return m;
}
int mms_msgsize(MmsMsg *m)
{
Octstr *s;
int n;
if (m == NULL)
return 0;
s = mms_tobinary(m); /* Dirty, but works... */
n = octstr_len(s);
octstr_destroy(s);
return n;
}
static int mms_convert_to_mboxdescr(MmsMsg *mm, Octstr *cloc, List *reqhdrs,
unsigned long msize)
{
int i, n;
List *mh, *xh;
Octstr *xstate;
int addcontent = 0, hasmsgid = 0;
if (!mm)
return -1;
mh = http_create_empty_headers();
mm->message_type = MMS_MSGTYPE_MBOX_DESCR;
http_header_add(mh, "X-Mms-Message-Type", "m-mbox-descr");
http_header_add(mh, "X-Mms-MMS-Version", "1.2");
http_header_add(mh, "X-Mms-Content-Location", octstr_get_cstr(cloc));
/* Add only those headers requested. */
for (i = 0, n = gwlist_len(reqhdrs); i < n; i++) {
Octstr *header = gwlist_get(reqhdrs,i);
List *h = http_header_find_all(mm->headers, octstr_get_cstr(header));
int j;
if (octstr_case_compare(header, octstr_imm("Content")) == 0) {
addcontent = 1;
goto loop;
} else if (octstr_case_compare(header, octstr_imm("X-Mms-Message-Size")) == 0) {
char yy[64];
sprintf(yy, "%lu", msize);
http_header_add(mh, "X-Mms-Message-Size", yy);
goto loop;
} else if (octstr_case_compare(header, octstr_imm("Message-ID")) == 0)
hasmsgid = 1;
for (j = 0; j < gwlist_len(h); j++) {
Octstr *hname, *value;
http_header_get(h, j, &hname, &value);
octstr_destroy(hname);
http_header_add(mh, octstr_get_cstr(header), octstr_get_cstr(value));
octstr_destroy(value);
}
loop:
http_destroy_headers(h);
/* We ignore the extra attributes request. */
}
if (!hasmsgid) {
Octstr *v = http_header_value(mm->headers, octstr_imm("Message-ID"));
if (v) {
http_header_add(mh, "Message-ID",
octstr_get_cstr(v));
octstr_destroy(v);
}
}
/* Copy over the MM-State and MM-flags headers. */
xh = http_header_find_all(mm->headers, "X-Mms-MM-Flags");
if (xh) {
http_header_combine(mh,xh);
http_destroy_headers(xh);
}
xstate = http_header_value(mm->headers, octstr_imm("X-Mms-MM-State"));
if (xstate) {
http_header_remove_all(mh, "X-Mms-MM-State");
http_header_add(mh, "X-Mms-MM-State", octstr_get_cstr(xstate));
octstr_destroy(xstate);
}
if (!addcontent) {
if (mm->ismultipart)
gwlist_destroy(mm->body.l, (gwlist_item_destructor_t *)mime_entity_destroy);
else if (mm->body.s)
octstr_destroy(mm->body.s);
mm->body.s = NULL;
} else {
/* copy over content type. */
Octstr *ctype = http_header_value(mm->headers, octstr_imm("Content-Type"));
if (ctype) {
http_header_add(mh, "Content-Type", octstr_get_cstr(ctype));
octstr_destroy(ctype);
}
}
http_destroy_headers(mm->headers);
mm->headers = mh;
return 0;
}
MmsMsg *mms_viewconf(char *transid,
List *msgrefs,
List *msglocs,
char *err,
List *required_headers,
MmsMsgGetFunc_t *getmsg,
void *p1, void *p2,
int maxsize, int menc,
List *otherhdrs)
{
MmsMsg *m = gw_malloc(sizeof *m);
int msize, i, n;
int msgcount;
err = err ? err : "Ok";
m->ismultipart = 0;
m->msgId = NULL;
m->body.s = NULL;
m->headers = http_create_empty_headers();
m->message_type = MMS_MSGTYPE_MBOX_VIEW_CONF;
http_header_add(m->headers, "X-Mms-Message-Type", "m-mbox-view-conf");
http_header_add(m->headers, "X-Mms-Transaction-ID", transid);
http_header_add(m->headers, "X-Mms-MMS-Version", "1.2"); /* ignore menc for now. */
/* Put in some dummy headers so count works fine ... */
http_header_add(m->headers, "X-Mms-Message-Count", "0");
http_header_add(m->headers, "Content-Type", "*/*"); /* we'll change this later. */
http_header_combine(m->headers, otherhdrs); /* add any other hdrs passed. */
if (msgrefs == NULL ||
strcasecmp(err, "ok") != 0) { /* We got an error. */
http_header_add(m->headers, "X-Mms-Response-Status",
err ? err : "Error-unspecified");
return m;
} else
http_header_add(m->headers, "X-Mms-Response-Status", "Ok");
msize = mms_msgsize(m);
n = gwlist_len(msgrefs);
msgcount = 0;
m->ismultipart = 1;
m->body.l = gwlist_create();
for (i = 0; i < n; i++) {
unsigned long tmsize;
Octstr *msgref = gwlist_get(msgrefs,i);
Octstr *msgloc = gwlist_get(msglocs, i);
MmsMsg *mm = getmsg(p1, p2, msgref, &tmsize);
Octstr *ms;
if (mms_convert_to_mboxdescr(mm,
msgloc,
required_headers, tmsize) != 0)
goto loop;
ms = mms_tobinary(mm);
if (octstr_len(ms) + msize <= maxsize) {
MIMEEntity *mtmp = mime_entity_create();
List *h = mime_entity_headers(mtmp);
http_header_add(h, "Content-Type",
"application/vnd.wap.mms-message");
mime_replace_headers(mtmp, h);
mime_entity_set_body(mtmp, ms);
http_destroy_headers(h);
gwlist_append(m->body.l, mtmp);
msgcount++;
msize += octstr_len(ms);
} else {
i = n; /* force end. */
octstr_destroy(ms);
}
mms_destroy(mm);
loop:(void)0;
}
if (gwlist_len(m->body.l) > 0) {
char x[32];
sprintf(x, "%d", (int)gwlist_len(m->body.l));
mms_replace_header_value(m, "X-Mms-Message-Count", x);
mms_replace_header_value(m, "Content-Type", "application/vnd.wap.multipart.mixed");
} else {
gwlist_destroy(m->body.l,NULL);
m->body.s = NULL;
m->ismultipart = 0;
}
return m;
}
void *mms_msgbody(MmsMsg *msg)
{
if (!msg)
return NULL;
if (msg->ismultipart) {
List *l = gwlist_create();
int i;
for (i = 0; i < gwlist_len(msg->body.l); i++)
gwlist_append(l, mime_entity_duplicate(gwlist_get(msg->body.l,i)));
return l;
} else
return octstr_duplicate(msg->body.s);
}
int mms_clearbody(MmsMsg *msg)
{
if (!msg)
return -1;
if (msg->ismultipart)
gwlist_destroy(msg->body.l, (gwlist_item_destructor_t *)mime_entity_destroy);
else if (msg->body.s)
octstr_destroy(msg->body.s);
msg->body.s = NULL;
msg->ismultipart = 0;
http_header_remove_all(msg->headers, "Content-Type");
return 0;
}
int mms_putbody(MmsMsg *msg, void *body, int ismultipart)
{
gw_assert(msg);
mms_clearbody(msg);
msg->ismultipart = ismultipart;
msg->body.s = body;
return 0;
}
View Git Blame Copy Permalink