* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <stdio.h>
-#include <string.h>
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
#include "rtsp.h"
#include "real.h"
#include "real_sdpplin.h"
-const unsigned char xor_table[] = {
+#define XOR_TABLE_LEN 37
+static const unsigned char xor_table[] = {
0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
b = ((b << 0x17) | (b >> 0x09)) + c;
a = ((~d | b) ^ c) + LE_32((param+0x00)) + a - 0x0BD6DDBC;
- a = ((a << 0x06) | (a >> 0x1a)) + b;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + LE_32((param+0x1c)) + d + 0x432AFF97;
- d = ((d << 0x0a) | (d >> 0x16)) + a;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + LE_32((param+0x38)) + c - 0x546BDC59;
- c = ((c << 0x0f) | (c >> 0x11)) + d;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + LE_32((param+0x14)) + b - 0x036C5FC7;
- b = ((b << 0x15) | (b >> 0x0b)) + c;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + LE_32((param+0x30)) + a + 0x655B59C3;
- a = ((a << 0x06) | (a >> 0x1a)) + b;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + LE_32((param+0x0C)) + d - 0x70F3336E;
- d = ((d << 0x0a) | (d >> 0x16)) + a;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + LE_32((param+0x28)) + c - 0x00100B83;
- c = ((c << 0x0f) | (c >> 0x11)) + d;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + LE_32((param+0x04)) + b - 0x7A7BA22F;
- b = ((b << 0x15) | (b >> 0x0b)) + c;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + LE_32((param+0x20)) + a + 0x6FA87E4F;
- a = ((a << 0x06) | (a >> 0x1a)) + b;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + LE_32((param+0x3c)) + d - 0x01D31920;
- d = ((d << 0x0a) | (d >> 0x16)) + a;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + LE_32((param+0x18)) + c - 0x5CFEBCEC;
- c = ((c << 0x0f) | (c >> 0x11)) + d;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + LE_32((param+0x34)) + b + 0x4E0811A1;
- b = ((b << 0x15) | (b >> 0x0b)) + c;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + LE_32((param+0x10)) + a - 0x08AC817E;
- a = ((a << 0x06) | (a >> 0x1a)) + b;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + LE_32((param+0x2c)) + d - 0x42C50DCB;
- d = ((d << 0x0a) | (d >> 0x16)) + a;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + LE_32((param+0x08)) + c + 0x2AD7D2BB;
- c = ((c << 0x0f) | (c >> 0x11)) + d;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + LE_32((param+0x24)) + b - 0x14792C6F;
- b = ((b << 0x15) | (b >> 0x0b)) + c;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
lprintf("hash output: %x %x %x %x\n", a, b, c, d);
LE_32C(field+12, d);
}
-static void call_hash (char *key, char *challenge, int len) {
-
+static void call_hash (char *key, char *challenge, unsigned int len) {
uint8_t *ptr1, *ptr2;
uint32_t a, b, c, d, tmp;
a += len * 8;
LE_32C(ptr1, a);
- if (a < (uint32_t)(len << 3))
+ if (a < (len << 3))
{
lprintf("not verified: (len << 3) > a true\n");
ptr2 += 4;
LE_32C(ptr2, tmp);
a = 64 - b;
c = 0;
- if (a <= (uint32_t)len)
+ if (a <= len)
{
memcpy(key+b+24, challenge, a);
hash(key, key+24);
c = a;
d = c + 0x3f;
- while ( d < (uint32_t)len ) {
+ while ( d < len ) {
lprintf("not verified: while ( d < len )\n");
hash(key, challenge+d-0x3f);
d += 64;
}
static void calc_response_string (char *result, char *challenge) {
- char field[128];
+
+ char field[128] = {
+ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
+ 0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
char zres[20];
int i;
- /* initialize our field */
- BE_32C (field, 0x01234567);
- BE_32C ((field+4), 0x89ABCDEF);
- BE_32C ((field+8), 0xFEDCBA98);
- BE_32C ((field+12), 0x76543210);
- BE_32C ((field+16), 0x00000000);
- BE_32C ((field+20), 0x00000000);
-
/* calculate response */
call_hash(field, challenge, 64);
calc_response(zres,field);
void real_calc_response_and_checksum (char *response, char *chksum, char *challenge) {
- int ch_len, table_len, resp_len;
+ int ch_len, resp_len;
int i;
char *ptr;
char buf[128];
memcpy(ptr, challenge, ch_len);
}
- if (xor_table != NULL)
- {
- table_len = strlen((char *)xor_table);
-
- if (table_len > 56) table_len=56;
-
- /* xor challenge bytewise with xor_table */
- for (i=0; i<table_len; i++)
- ptr[i] = ptr[i] ^ xor_table[i];
- }
+ /* xor challenge bytewise with xor_table */
+ for (i=0; i<XOR_TABLE_LEN; i++)
+ ptr[i] = ptr[i] ^ xor_table[i];
calc_response_string (response, buf);
desc=sdpplin_parse(data);
if( !desc ) return NULL;
- buf= (char *)malloc(sizeof(char)*2048);
+ buf= (char *)malloc(2048);
if( !buf ) goto error;
- header = (rmff_header_t*)malloc(sizeof(rmff_header_t));
+ header = calloc( 1, sizeof(rmff_header_t) );
if( !header ) goto error;
- memset(header, 0, sizeof(rmff_header_t));
header->fileheader=rmff_new_fileheader(4+desc->stream_count);
header->cont=rmff_new_cont(
desc->title,
header->data=rmff_new_dataheader(0,0);
if( !header->data ) goto error;
- header->streams = (rmff_mdpr_t**) malloc(sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
+ header->streams = calloc( desc->stream_count+1, sizeof(rmff_mdpr_t*) );
if( !header->streams ) goto error;
- memset(header->streams, 0, sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
lprintf("number of streams: %u\n", desc->stream_count);
for (i=0; i<desc->stream_count; i++) {
lprintf("calling asmrp_match with:\n%s\n%u\n", desc->stream[i]->asm_rule_book, bandwidth);
- n=asmrp_match(desc->stream[i]->asm_rule_book, bandwidth, rulematches);
+ n=asmrp_match(desc->stream[i]->asm_rule_book, bandwidth, rulematches, sizeof(rulematches)/sizeof(rulematches[0]));
for (j=0; j<n; j++) {
lprintf("asmrp rule match: %u for stream %u\n", rulematches[j], desc->stream[i]->stream_id);
sprintf(b,"stream=%u;rule=%u,", desc->stream[i]->stream_id, rulematches[j]);
if (!desc->stream[i]->mlti_data) {
len = 0;
- if( buf ) free( buf );
+ free( buf );
buf = NULL;
} else
len=select_mlti_data(desc->stream[i]->mlti_data,
rmff_fix_header(header);
- if( desc ) sdpplin_free( desc );
- if( buf ) free(buf);
+ sdpplin_free( desc );
+ free( buf );
return header;
error:
- if( desc ) sdpplin_free( desc );
- if( header ) rmff_free_header( header );
- if( buf ) free( buf );
+ sdpplin_free( desc );
+ rmff_free_header( header );
+ free( buf );
return NULL;
}
n=rtsp_read_data(rtsp_session, header, 8);
if (n<8) return 0;
- if (header[0] != 0x24) {
+ if (header[0] != 0x24)
+ {
lprintf("rdt chunk not recognized: got 0x%02x\n", header[0]);
return 0;
}
size=(header[1]<<16)+(header[2]<<8)+(header[3]);
flags1=header[4];
- if ((flags1!=0x40)&&(flags1!=0x42)) {
+ if ((flags1!=0x40)&&(flags1!=0x42))
+ {
lprintf("got flags1: 0x%02x\n",flags1);
- if (header[6]==0x06) {
+ if (header[6]==0x06)
+ {
lprintf("got end of stream packet\n");
return 0;
}
char challenge2[64];
char checksum[34];
char *subscribe=NULL;
- char *buf=(char*)malloc(sizeof(char)*256);
+ char *buf = malloc(256);
+ if( !buf )
+ return NULL;
char *mrl=rtsp_get_mrl(rtsp_session);
unsigned int size;
int status;
if (alert) {
lprintf("real: got message from server:\n%s\n", alert);
}
- printf( "bou\n");
- rtsp_send_ok(rtsp_session);
- if( challenge1 ) free(challenge1);
- if( alert ) free(alert);
- if( buf ) free(buf);
+ rtsp_send_ok( rtsp_session );
+ free( challenge1 );
+ free( alert );
+ free( buf );
return NULL;
}
lprintf("Stream description size: %i\n", size);
- description = (char*)malloc(sizeof(char)*(size+1));
+ description = malloc(size+1);
if( !description )
goto error;
if( rtsp_read_data(rtsp_session, (uint8_t*)description, size) <= 0)
//fprintf(stderr, "%s", description);
/* parse sdp (sdpplin) and create a header and a subscribe string */
- subscribe = (char *) malloc(sizeof(char)*256);
+ subscribe = malloc(256);
if( !subscribe )
goto error;
rtsp_schedule_field(rtsp_session, "Range: npt=0-");
rtsp_request_play(rtsp_session,NULL);
- if( challenge1 ) free( challenge1 );
- if( session_id ) free( session_id );
- if( description ) free(description);
- if( subscribe ) free(subscribe);
- if( buf ) free(buf);
+ free( challenge1 );
+ free( session_id );
+ free( description );
+ free( subscribe );
+ free( buf );
return h;
error:
- if( h ) rmff_free_header( h );
- if( challenge1 ) free( challenge1 );
- if( session_id ) free( session_id );
- if( description ) free(description);
- if( subscribe ) free(subscribe);
- if( buf ) free(buf);
+ rmff_free_header( h );
+ free( challenge1 );
+ free( session_id );
+ free( description );
+ free( subscribe );
+ free( buf );
return NULL;
}