X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmisc%2Fupdate.c;h=eea3663101e888b112cf478f30c4df78818006db;hb=376853e5d685a9dde50acbdc2524fa5d890aed83;hp=c6573bcc1cf6fdd30e8502d0026252f5e64677f8;hpb=81f37d39d094231cedd7db87cd002532b2658192;p=vlc diff --git a/src/misc/update.c b/src/misc/update.c index c6573bcc1c..eea3663101 100644 --- a/src/misc/update.c +++ b/src/misc/update.c @@ -1,7 +1,7 @@ /***************************************************************************** * update.c: VLC update checking and downloading ***************************************************************************** - * Copyright © 2005-2007 the VideoLAN team + * Copyright © 2005-2008 the VideoLAN team * $Id$ * * Authors: Antoine Cellerier @@ -25,29 +25,35 @@ /** * \file - * This file contains functions related to VLC and plugins update management + * This file contains functions related to VLC update management */ -/* TODO: pgp verification of the status file, and downloaded binaries */ - /***************************************************************************** * Preamble *****************************************************************************/ -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include #ifdef UPDATE_CHECK -#include /* tolower() */ #include +#include +#include +#include +#include +#include -#include +#include +#include -#include -#include -#include -#include +#include "update.h" +#include "../libvlc.h" /***************************************************************************** * Misc defines @@ -61,8 +67,8 @@ * * Z is the revision number * * e is an OPTIONAL extra letter * * AKA "0.8.6d" or "0.9.0" - * Second line is an url to the last binary - * Third line is a description of the update (it MAY be extended to several lines, but for now it is only one line) + * Second line is an url of the binary for this last version + * Remaining text is a required description of the update */ #if defined( UNDER_CE ) @@ -70,7 +76,6 @@ #elif defined( WIN32 ) # define UPDATE_VLC_STATUS_URL "http://update.videolan.org/vlc/status-win-x86" #elif defined( __APPLE__ ) -# define UPDATE_VLC_OS "macosx" # if defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ ) # define UPDATE_VLC_STATUS_URL "http://update.videolan.org/vlc/status-mac-ppc" # else @@ -82,700 +87,38 @@ # define UPDATE_VLC_STATUS_URL "http://update.videolan.org/vlc/status" #endif -#define STRDUP( a ) ( a ? strdup( a ) : NULL ) - - -/***************************************************************************** - * Local Prototypes - *****************************************************************************/ -static void EmptyRelease( update_t *p_update ); -static void GetUpdateFile( update_t *p_update ); -static int CompareReleases( const struct update_release_t *p1, - const struct update_release_t *p2 ); -static char * size_str( long int l_size ); - - -/***************************************************************************** - * OpenPGP functions - *****************************************************************************/ - -#define packet_type( c ) ( ( c & 0x3c ) >> 2 ) /* 0x3C = 00111100 */ -#define packet_header_len( c ) ( ( c & 0x03 ) + 1 ) /* number of bytes in a packet header */ - -static inline int scalar_number( uint8_t *p, int header_len ) -{ - if( header_len == 1 ) - return( p[0] ); - else if( header_len == 2 ) - return( (p[0] << 8) + p[1] ); - else if( header_len == 4 ) - return( (p[0] << 24) + (p[1] << 16) + (p[2] << 8) + p[3] ); - else - abort(); -} - -/* number of data bytes in a MPI */ -#define mpi_len( mpi ) ( ( scalar_number( mpi, 2 ) + 7 ) / 8 ) - -/* - * fill a public_key_packet_t structure from public key packet data - * verify that it is a version 4 public key packet, using DSA - */ -static int parse_public_key_packet( public_key_packet_t *p_key, uint8_t *p_buf, - size_t i_packet_len ) -{ - if( i_packet_len != 418 ) - return VLC_EGENERIC; - - p_key->version = *p_buf++; - if( p_key->version != 4 ) - return VLC_EGENERIC; - - /* warn when timestamp is > date ? */ - memcpy( p_key->timestamp, p_buf, 4 ); p_buf += 4; - - p_key->algo = *p_buf++; - if( p_key->algo != PUBLIC_KEY_ALGO_DSA ) - return VLC_EGENERIC; - - memcpy( p_key->p, p_buf, 2+128 ); p_buf += 2+128; - if( mpi_len( p_key->p ) != 128 ) - return VLC_EGENERIC; - - memcpy( p_key->q, p_buf, 2+20 ); p_buf += 2+20; - if( mpi_len( p_key->q ) != 20 ) - return VLC_EGENERIC; - - memcpy( p_key->g, p_buf, 2+128 ); p_buf += 2+128; - if( mpi_len( p_key->g ) != 128 ) - return VLC_EGENERIC; - - memcpy( p_key->y, p_buf, 2+128 ); p_buf += 2+128; - if( mpi_len( p_key->y ) != 128 ) - return VLC_EGENERIC; - - return VLC_SUCCESS; -} - -/* - * fill a signature_packet_v4_t from signature packet data - * verify that it was used with a DSA public key, using SHA-1 digest - */ -static int parse_signature_v4_packet( signature_packet_v4_t *p_sig, - uint8_t *p_buf, size_t i_sig_len ) -{ - if( i_sig_len < 54 ) - return VLC_EGENERIC; - - p_sig->version = *p_buf++; - if( p_sig->version != 4 ) - return VLC_EGENERIC; - - p_sig->type = *p_buf++; - if( p_sig->type < GENERIC_KEY_SIGNATURE || - p_sig->type > POSITIVE_KEY_SIGNATURE ) - return VLC_EGENERIC; - - p_sig->public_key_algo = *p_buf++; - if( p_sig->public_key_algo != PUBLIC_KEY_ALGO_DSA ) - return VLC_EGENERIC; - - p_sig->digest_algo = *p_buf++; - if( p_sig->digest_algo != DIGEST_ALGO_SHA1 ) - return VLC_EGENERIC; - - memcpy( p_sig->hashed_data_len, p_buf, 2 ); p_buf += 2; - - size_t i_pos = 6; - size_t i_hashed_data_len = scalar_number( p_sig->hashed_data_len, 2 ); - i_pos += i_hashed_data_len; - if( i_pos > i_sig_len - 48 ) /* r & s are 44 bytes in total, - * + the unhashed data length (2 bytes) - * + the hash verification (2 bytes) */ - return VLC_EGENERIC; - - p_sig->hashed_data = (uint8_t*) malloc( i_hashed_data_len ); - if( !p_sig->hashed_data ) - return VLC_ENOMEM; - memcpy( p_sig->hashed_data, p_buf, i_hashed_data_len ); - p_buf += i_hashed_data_len; - - memcpy( p_sig->unhashed_data_len, p_buf, 2 ); p_buf += 2; - - size_t i_unhashed_data_len = scalar_number( p_sig->unhashed_data_len, 2 ); - i_pos += 2 + i_unhashed_data_len; - if( i_pos != i_sig_len - 46 ) - { - free( p_sig->hashed_data ); - return VLC_EGENERIC; - } - - p_sig->unhashed_data = (uint8_t*) malloc( i_unhashed_data_len ); - if( !p_sig->unhashed_data ) - { - free( p_sig->hashed_data ); - return VLC_ENOMEM; - } - memcpy( p_sig->unhashed_data, p_buf, i_unhashed_data_len ); - p_buf += i_unhashed_data_len; - - memcpy( p_sig->hash_verification, p_buf, 2 ); p_buf += 2; - - memcpy( p_sig->r, p_buf, 22 ); p_buf += 22; - if( mpi_len( p_sig->r ) != 20 ) - { - free( p_sig->hashed_data ); - free( p_sig->unhashed_data ); - return VLC_EGENERIC; - } - - memcpy( p_sig->s, p_buf, 22 ); - if( mpi_len( p_sig->s ) != 20 ) - { - free( p_sig->hashed_data ); - free( p_sig->unhashed_data ); - return VLC_EGENERIC; - } - - return VLC_SUCCESS; -} - -/* - * crc_octets() was lamely copied from rfc 2440 - * Copyright (C) The Internet Society (1998). All Rights Reserved. - */ -#define CRC24_INIT 0xB704CEL -#define CRC24_POLY 0x1864CFBL - -static long crc_octets( uint8_t *octets, size_t len ) -{ - long crc = CRC24_INIT; - int i; - while (len--) - { - crc ^= (*octets++) << 16; - for (i = 0; i < 8; i++) - { - crc <<= 1; - if (crc & 0x1000000) - crc ^= CRC24_POLY; - } - } - return crc & 0xFFFFFFL; -} - -/* - * Transform an armored document in binary format - * Used on public keys and signatures - */ -static int pgp_unarmor( char *p_ibuf, size_t i_ibuf_len, - uint8_t *p_obuf, size_t i_obuf_len ) -{ - char *p_ipos = p_ibuf; - uint8_t *p_opos = p_obuf; - int i_end = 0; - - int i_header_skipped = 0; - - while( !i_end && p_ipos < p_ibuf + i_ibuf_len ) - { - if( *p_ipos == '\r' || *p_ipos == '\n' ) - { - p_ipos++; - continue; - } - - size_t i_line_len = strcspn( p_ipos, "\r\n" ); - if( i_line_len == 0 ) - continue; - - if( !i_header_skipped ) - { - if( !strncmp( p_ipos, "-----BEGIN PGP", 14 ) ) - i_header_skipped = 1; - - p_ipos += i_line_len + 1; - continue; - } - - if( !strncmp( p_ipos, "Version:", 8 ) ) - { - p_ipos += i_line_len + 1; - continue; - } - - if( p_ipos[i_line_len - 1] == '=' ) - { - i_end = 1; - p_ipos[i_line_len - 1] = '\0'; - } - else - p_ipos[i_line_len] = '\0'; - - p_opos += vlc_b64_decode_binary_to_buffer( p_opos, - p_obuf - p_opos + i_obuf_len, - p_ipos ); - - p_ipos += i_line_len + 1; - } - - /* XXX: the CRC is OPTIONAL, really require it ? */ - if( p_ipos + 5 > p_ibuf + i_ibuf_len || *p_ipos++ != '=' ) - return 0; - - uint8_t p_crc[3]; - if( vlc_b64_decode_binary_to_buffer( p_crc, 3, p_ipos ) != 3 ) - return 0; - - long l_crc = crc_octets( p_obuf, p_opos - p_obuf ); - long l_crc2 = ( 0 << 24 ) + ( p_crc[0] << 16 ) + ( p_crc[1] << 8 ) + p_crc[2]; - - return l_crc2 == l_crc ? p_opos - p_obuf : 0; -} - -/* - * Download the signature associated to a document or a binary file. - * We're given the file's url, we just append ".asc" to it and download - */ -static int download_signature( vlc_object_t *p_this, - signature_packet_v3_t *p_sig, char *psz_url ) -{ - char *psz_sig = (char*) malloc( strlen( psz_url ) + 4 + 1 ); /* ".asc" + \0 */ - if( !psz_sig ) - return VLC_ENOMEM; - - strcpy( psz_sig, psz_url ); - strcat( psz_sig, ".asc" ); - - stream_t *p_stream = stream_UrlNew( p_this, psz_sig ); - free( psz_sig ); - - if( !p_stream ) - return VLC_ENOMEM; - - int64_t i_size = stream_Size( p_stream ); - if( i_size < 65 ) - { - stream_Delete( p_stream ); - return VLC_EGENERIC; - } - else if( i_size == 65 ) /* binary format signature */ - { - int i_read = stream_Read( p_stream, p_sig, (int)i_size ); - stream_Delete( p_stream ); - if( i_read != i_size ) - return VLC_EGENERIC; - else - return VLC_SUCCESS; - } - - char *p_buf = (char*)malloc( i_size ); - if( !p_buf ) - { - stream_Delete( p_stream ); - return VLC_ENOMEM; - } - - int i_read = stream_Read( p_stream, p_buf, (int)i_size ); - - stream_Delete( p_stream ); - - if( i_read != i_size ) - { - free( p_buf ); - return VLC_EGENERIC; - } - - int i_bytes = pgp_unarmor( p_buf, i_size, (uint8_t*)p_sig, 65 ); - free( p_buf ); - - if( i_bytes != 65 ) - return VLC_EGENERIC; - else - return VLC_SUCCESS; -} - -/* - * Verify an OpenPGP signature made on some SHA-1 hash, with some DSA public key - */ -static int verify_signature( vlc_object_t *p_this, uint8_t *p_r, uint8_t *p_s, - public_key_packet_t *p_key, uint8_t *p_hash ) -{ - /* the data to be verified (a SHA-1 hash) */ - const char *hash_sexp_s = "(data(flags raw)(value %m))"; - /* the public key */ - const char *key_sexp_s = "(public-key(dsa(p %m)(q %m)(g %m)(y %m)))"; - /* the signature */ - const char *sig_sexp_s = "(sig-val(dsa(r %m )(s %m )))"; - - size_t erroff; - gcry_mpi_t p, q, g, y, r, s, hash; - p = q = g = y = r = s = hash = NULL; - gcry_sexp_t key_sexp, hash_sexp, sig_sexp; - key_sexp = hash_sexp = sig_sexp = NULL; - - if( gcry_mpi_scan( &p, GCRYMPI_FMT_USG, p_key->p + 2, 128, NULL ) || - gcry_mpi_scan( &q, GCRYMPI_FMT_USG, p_key->q + 2, 20, NULL ) || - gcry_mpi_scan( &g, GCRYMPI_FMT_USG, p_key->g + 2, 128, NULL ) || - gcry_mpi_scan( &y, GCRYMPI_FMT_USG, p_key->y + 2, 128, NULL ) || - gcry_sexp_build( &key_sexp, &erroff, key_sexp_s, p, q, g, y ) ) - goto problem; - - if( gcry_mpi_scan( &r, GCRYMPI_FMT_USG, p_r + 2, 20, NULL ) || - gcry_mpi_scan( &s, GCRYMPI_FMT_USG, p_s + 2, 20, NULL ) || - gcry_sexp_build( &sig_sexp, &erroff, sig_sexp_s, r, s ) ) - goto problem; - - if( gcry_mpi_scan( &hash, GCRYMPI_FMT_USG, p_hash, 20, NULL ) || - gcry_sexp_build( &hash_sexp, &erroff, hash_sexp_s, hash ) ) - goto problem; - - if( gcry_pk_verify( sig_sexp, hash_sexp, key_sexp ) ) - goto problem; - - return VLC_SUCCESS; - -problem: - if( p ) gcry_mpi_release( p ); - if( q ) gcry_mpi_release( q ); - if( g ) gcry_mpi_release( g ); - if( y ) gcry_mpi_release( y ); - if( r ) gcry_mpi_release( r ); - if( s ) gcry_mpi_release( s ); - if( hash ) gcry_mpi_release( hash ); - if( key_sexp ) gcry_sexp_release( key_sexp ); - if( sig_sexp ) gcry_sexp_release( sig_sexp ); - if( hash_sexp ) gcry_sexp_release( hash_sexp ); - return VLC_EGENERIC; -} - -/* - * Return the long id (8 bytes) of the public key used to generate a signature - */ -static uint8_t *get_issuer_from_signature_v4( signature_packet_v4_t *p_sig ) -{ - uint8_t *p = p_sig->unhashed_data; - uint8_t *max_pos = p + scalar_number( p_sig->unhashed_data_len, 2 ); - - while( p < max_pos ) - { - int i_subpacket_len = *p < 192 ? *p++ : - *p < 255 ? ((*p++ - 192) << 8) + *p++ + 192 : - ((*++p) << 24) + (*++p << 16) + (*++p << 8) + *++p; - - if( p >= max_pos - 1 ) - return NULL; - - if( *p == ISSUER_SUBPACKET ) - return p+1; - else - p += i_subpacket_len; - } - return NULL; -} - -/* - * fill a public_key_t with public key data, including: - * * public key packet - * * signature packet issued by key which long id is p_sig_issuer - * * user id packet - */ -static int parse_public_key( const uint8_t *p_key_data, size_t i_key_len, public_key_t *p_key, const uint8_t *p_sig_issuer ) -{ - uint8_t *pos = (uint8_t*) p_key_data; - uint8_t *max_pos = pos + i_key_len; - - int i_status = 0; -#define PUBLIC_KEY_FOUND 0x01 -#define USER_ID_FOUND 0x02 -#define SIGNATURE_FOUND 0X04 - - uint8_t *p_key_unarmored = NULL; - - signature_packet_v4_t sig; - - p_key->psz_username = NULL; - p_key->sig.hashed_data = p_key->sig.unhashed_data = NULL; - - if( !( *pos & 0x80 ) ) - { /* first byte is ASCII, unarmoring */ - p_key_unarmored = (uint8_t*)malloc( i_key_len ); - if( !p_key_unarmored ) - return VLC_ENOMEM; - int i_len = pgp_unarmor( (char*)p_key_data, i_key_len, - p_key_unarmored, i_key_len ); - - if( i_len == 0 ) - goto error; - - pos = p_key_unarmored; - max_pos = pos + i_len; - } - - while( pos < max_pos ) - { - if( !(*pos & 0x80) || *pos & 0x40 ) - goto error; - - int i_type = packet_type( *pos ); - - int i_header_len = packet_header_len( *pos++ ); - if( pos + i_header_len > max_pos ) - goto error; - - int i_packet_len = scalar_number( pos, i_header_len ); - pos += i_header_len; - - if( pos + i_packet_len > max_pos ) - goto error; - - switch( i_type ) - { - uint8_t *p_issuer; - - case PUBLIC_KEY_PACKET: - i_status |= PUBLIC_KEY_FOUND; - if( parse_public_key_packet( &p_key->key, pos, i_packet_len ) != VLC_SUCCESS ) - goto error; - break; - - case SIGNATURE_PACKET: - if( !p_sig_issuer || i_status & SIGNATURE_FOUND || - parse_signature_v4_packet( &sig, pos, i_packet_len ) != VLC_SUCCESS ) - break; - p_issuer = get_issuer_from_signature_v4( &sig ); - if( memcmp( p_issuer, p_sig_issuer, 8 ) == 0 ) - { - memcpy( &p_key->sig, &sig, sizeof( signature_packet_v4_t ) ); - i_status |= SIGNATURE_FOUND; - } - else - { - free( sig.hashed_data ); - free( sig.unhashed_data ); - } - break; - - case USER_ID_PACKET: - if( p_key->psz_username ) /* save only the first User ID */ - break; - i_status |= USER_ID_FOUND; - p_key->psz_username = (uint8_t*)malloc( i_packet_len + 1); - if( !p_key->psz_username ) - goto error; - - memcpy( p_key->psz_username, pos, i_packet_len ); - p_key->psz_username[i_packet_len] = '\0'; - break; - - default: - break; - } - pos += i_packet_len; - } - free( p_key_unarmored ); - - if( !( i_status & ( PUBLIC_KEY_FOUND + USER_ID_FOUND ) ) ) - return VLC_EGENERIC; - - if( p_sig_issuer && !( i_status & SIGNATURE_FOUND ) ) - return VLC_EGENERIC; - - return VLC_SUCCESS; - -error: - free( p_key->sig.hashed_data ); - free( p_key->sig.unhashed_data ); - free( p_key->psz_username ); - free( p_key_unarmored ); - return VLC_EGENERIC; -} - -/* - * return a sha1 hash of a file - */ -static uint8_t *hash_sha1_from_file( const char *psz_file, - signature_packet_v3_t *p_sig ) -{ - FILE *f = utf8_fopen( psz_file, "r" ); - if( !f ) - return NULL; - - uint8_t buffer[4096]; //FIXME - - gcry_md_hd_t hd; - if( gcry_md_open( &hd, GCRY_MD_SHA1, 0 ) ) - { - fclose( f ); - return NULL; - } - - size_t i_read; - while( ( i_read = fread( buffer, 1, sizeof(buffer), f ) ) > 0 ) - gcry_md_write( hd, buffer, i_read ); - - gcry_md_putc( hd, p_sig->type ); - gcry_md_write( hd, &p_sig->timestamp, 4 ); - - fclose( f ); - gcry_md_final( hd ); - - return( (uint8_t*) gcry_md_read( hd, GCRY_MD_SHA1) ); -} - -/* - * download a public key (the last one) from videolan server, and parse it - */ -static public_key_t *download_key( vlc_object_t *p_this, const uint8_t *p_longid, const uint8_t *p_signature_issuer ) -{ - char *psz_url; - if( asprintf( &psz_url, "http://download.videolan.org/pub/keys/%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x.asc", - p_longid[0], p_longid[1], - p_longid[2], p_longid[3], - p_longid[4], p_longid[5], - p_longid[6], p_longid[7] ) == -1 ) - return NULL; - - stream_t *p_stream = stream_UrlNew( p_this, psz_url ); - free( psz_url ); - if( !p_stream ) - return NULL; - - int64_t i_size = stream_Size( p_stream ); - if( i_size < 0 ) - { - stream_Delete( p_stream ); - return NULL; - } - - uint8_t *p_buf = (uint8_t*)malloc( i_size ); - if( !p_buf ) - { - stream_Delete( p_stream ); - return NULL; - } - - int i_read = stream_Read( p_stream, p_buf, (int)i_size ); - stream_Delete( p_stream ); - - if( i_read != (int)i_size ) - { - free( p_buf ); - return NULL; - } - - public_key_t *p_pkey = (public_key_t*) malloc( sizeof( public_key_t ) ); - if( !p_pkey ) - { - free( p_buf ); - return NULL; - } - - int i_error = parse_public_key( p_buf, i_read, p_pkey, p_signature_issuer ); - free( p_buf ); - - if( i_error != VLC_SUCCESS ) - { - free( p_pkey ); - return NULL; - } - - return p_pkey; -} - -/* - * Generate a SHA-1 hash on a public key, to verify a signature made on that hash - * Note that we need the signature to compute the hash - */ -static uint8_t *key_sign_hash( public_key_t *p_pkey ) -{ - gcry_error_t error = 0; - gcry_md_hd_t hd; - - error = gcry_md_open( &hd, GCRY_MD_SHA1, 0 ); - if( error ) - return NULL; - - gcry_md_putc( hd, 0x99 ); - - gcry_md_putc( hd, (418 >> 8) & 0xff ); - gcry_md_putc( hd, 418 & 0xff ); - - gcry_md_write( hd, (uint8_t*)&p_pkey->key, 418 ); - - gcry_md_putc( hd, 0xb4 ); - - int i_len = strlen((char*)p_pkey->psz_username); - - gcry_md_putc( hd, (i_len << 24) & 0xff ); - gcry_md_putc( hd, (i_len << 16) & 0xff ); - gcry_md_putc( hd, (i_len << 8) & 0xff ); - gcry_md_putc( hd, (i_len) & 0xff ); - - gcry_md_write( hd, p_pkey->psz_username, i_len ); - - size_t i_hashed_data_len = scalar_number( p_pkey->sig.hashed_data_len, 2 ); - - gcry_md_putc( hd, p_pkey->sig.version ); - gcry_md_putc( hd, p_pkey->sig.type ); - gcry_md_putc( hd, p_pkey->sig.public_key_algo ); - gcry_md_putc( hd, p_pkey->sig.digest_algo ); - gcry_md_write( hd, p_pkey->sig.hashed_data_len, 2 ); - gcry_md_write( hd, p_pkey->sig.hashed_data, i_hashed_data_len ); - - gcry_md_putc( hd, 0x04 ); - gcry_md_putc( hd, 0xff ); - - i_hashed_data_len += 6; /* hashed data + 6 bytes header */ - - gcry_md_putc( hd, (i_hashed_data_len << 24) & 0xff); - gcry_md_putc( hd, (i_hashed_data_len << 16) &0xff ); - gcry_md_putc( hd, (i_hashed_data_len << 8) & 0xff ); - gcry_md_putc( hd, (i_hashed_data_len) & 0xff ); - - gcry_md_final( hd ); - - uint8_t *p_hash = gcry_md_read( hd, GCRY_MD_SHA1); - - if( p_hash[0] != p_pkey->sig.hash_verification[0] || - p_hash[1] != p_pkey->sig.hash_verification[1] ) - { - free( p_hash ); - return NULL; - } - - return p_hash; -} - /***************************************************************************** * Update_t functions *****************************************************************************/ +#undef update_New /** * Create a new update VLC struct * * \param p_this the calling vlc_object * \return pointer to new update_t or NULL */ -update_t *__update_New( vlc_object_t *p_this ) +update_t *update_New( vlc_object_t *p_this ) { update_t *p_update; - - if( p_this == NULL ) return NULL; + assert( p_this ); p_update = (update_t *)malloc( sizeof( update_t ) ); if( !p_update ) return NULL; - vlc_mutex_init( p_this, &p_update->lock ); + vlc_mutex_init( &p_update->lock ); p_update->p_libvlc = p_this->p_libvlc; p_update->release.psz_url = NULL; p_update->release.psz_desc = NULL; - var_Create( p_this->p_libvlc, "update-notify", VLC_VAR_INTEGER | - VLC_VAR_ISCOMMAND ); + p_update->p_download = NULL; + p_update->p_check = NULL; + + p_update->p_pkey = NULL; + vlc_gcrypt_init(); return p_update; } @@ -790,12 +133,25 @@ void update_Delete( update_t *p_update ) { assert( p_update ); - vlc_mutex_destroy( &p_update->lock ); + if( p_update->p_check ) + { + vlc_object_kill( p_update->p_check ); + vlc_thread_join( p_update->p_check ); + vlc_object_release( p_update->p_check ); + } - var_Destroy( p_update->p_libvlc, "update-notify" ); + if( p_update->p_download ) + { + vlc_object_kill( p_update->p_download ); + vlc_thread_join( p_update->p_download ); + vlc_object_release( p_update->p_download ); + } - FREENULL( p_update->release.psz_url ); - FREENULL( p_update->release.psz_desc ); + vlc_mutex_destroy( &p_update->lock ); + + free( p_update->release.psz_url ); + free( p_update->release.psz_desc ); + free( p_update->p_pkey ); free( p_update ); } @@ -818,19 +174,20 @@ static void EmptyRelease( update_t *p_update ) /** * Get the update file and parse it - * *p_update has to be locked when calling this function + * p_update has to be locked when calling this function * * \param p_update pointer to update struct - * \return nothing + * \return true if the update is valid and authenticated */ -static void GetUpdateFile( update_t *p_update ) +static bool GetUpdateFile( update_t *p_update ) { stream_t *p_stream = NULL; int i_major = 0; int i_minor = 0; int i_revision = 0; unsigned char extra; - char *psz_line = NULL; + char *psz_version_line = NULL; + char *psz_update_data = NULL; p_stream = stream_UrlNew( p_update->p_libvlc, UPDATE_VLC_STATUS_URL ); if( !p_stream ) @@ -840,17 +197,37 @@ static void GetUpdateFile( update_t *p_update ) goto error; } - /* Try to read three lines */ - if( !( psz_line = stream_ReadLine( p_stream ) ) ) + const int64_t i_read = stream_Size( p_stream ); + psz_update_data = malloc( i_read + 1 ); /* terminating '\0' */ + if( !psz_update_data ) + goto error; + + if( stream_Read( p_stream, psz_update_data, i_read ) != i_read ) { - msg_Err( p_update->p_libvlc, "Update file %s is corrupted : missing version", - UPDATE_VLC_STATUS_URL ); + msg_Err( p_update->p_libvlc, "Couldn't download update file %s", + UPDATE_VLC_STATUS_URL ); goto error; } + psz_update_data[i_read] = '\0'; + + stream_Delete( p_stream ); + p_stream = NULL; /* first line : version number */ + char *psz_update_data_parser = psz_update_data; + size_t i_len = strcspn( psz_update_data, "\r\n" ); + psz_update_data_parser += i_len; + while( *psz_update_data_parser == '\r' || *psz_update_data_parser == '\n' ) + psz_update_data_parser++; + + if( !(psz_version_line = malloc( i_len + 1)) ) + goto error; + strncpy( psz_version_line, psz_update_data, i_len ); + psz_version_line[i_len] = '\0'; + p_update->release.extra = 0; - switch( sscanf( psz_line, "%i.%i.%i%c", &i_major, &i_minor, &i_revision, &extra ) ) + switch( sscanf( psz_version_line, "%i.%i.%i%c", + &i_major, &i_minor, &i_revision, &extra ) ) { case 4: p_update->release.extra = extra; @@ -861,118 +238,238 @@ static void GetUpdateFile( update_t *p_update ) break; default: msg_Err( p_update->p_libvlc, "Update version false formated" ); - free( psz_line ); goto error; } - /* Second line : URL */ - if( !( psz_line = stream_ReadLine( p_stream ) ) ) + /* second line : URL */ + i_len = strcspn( psz_update_data_parser, "\r\n" ); + if( i_len == 0 ) { - msg_Err( p_update->p_libvlc, "Update file %s is corrupted : URL missing", + msg_Err( p_update->p_libvlc, "Update file %s is corrupted: URL missing", UPDATE_VLC_STATUS_URL ); + goto error; } - p_update->release.psz_url = psz_line; + if( !(p_update->release.psz_url = malloc( i_len + 1)) ) + goto error; + strncpy( p_update->release.psz_url, psz_update_data_parser, i_len ); + p_update->release.psz_url[i_len] = '\0'; + + psz_update_data_parser += i_len; + while( *psz_update_data_parser == '\r' || *psz_update_data_parser == '\n' ) + psz_update_data_parser++; - /* Third line : description */ - if( !( psz_line = stream_ReadLine( p_stream ) ) ) + /* Remaining data : description */ + i_len = strlen( psz_update_data_parser ); + if( i_len == 0 ) { - msg_Err( p_update->p_libvlc, "Update file %s is corrupted : description missing", - UPDATE_VLC_STATUS_URL ); + msg_Err( p_update->p_libvlc, + "Update file %s is corrupted: description missing", + UPDATE_VLC_STATUS_URL ); goto error; } - p_update->release.psz_desc = psz_line; - error: - if( p_stream ) - stream_Delete( p_stream ); -} + if( !(p_update->release.psz_desc = malloc( i_len + 1)) ) + goto error; + strncpy( p_update->release.psz_desc, psz_update_data_parser, i_len ); + p_update->release.psz_desc[i_len] = '\0'; + printf("desc %s\n", p_update->release.psz_desc); -/** - * Struct to launch the check in an other thread - */ -typedef struct -{ - VLC_COMMON_MEMBERS - update_t *p_update; -} update_check_thread_t; + /* Now that we know the status is valid, we must download its signature + * to authenticate it */ + signature_packet_t sign; + if( download_signature( VLC_OBJECT( p_update->p_libvlc ), &sign, + UPDATE_VLC_STATUS_URL ) != VLC_SUCCESS ) + { + msg_Err( p_update->p_libvlc, "Couldn't download signature of status file" ); + goto error; + } -void update_CheckReal( update_check_thread_t *p_uct ); + if( sign.type != BINARY_SIGNATURE && sign.type != TEXT_SIGNATURE ) + { + msg_Err( p_update->p_libvlc, "Invalid signature type" ); + goto error; + } + + p_update->p_pkey = (public_key_t*)malloc( sizeof( public_key_t ) ); + if( !p_update->p_pkey ) + goto error; + + if( parse_public_key( videolan_public_key, sizeof( videolan_public_key ), + p_update->p_pkey, NULL ) != VLC_SUCCESS ) + { + msg_Err( p_update->p_libvlc, "Couldn't parse embedded public key, something went really wrong..." ); + FREENULL( p_update->p_pkey ); + goto error; + } + + memcpy( p_update->p_pkey->longid, videolan_public_key_longid, 8 ); + + if( memcmp( sign.issuer_longid, p_update->p_pkey->longid , 8 ) != 0 ) + { + msg_Dbg( p_update->p_libvlc, "Need to download the GPG key" ); + public_key_t *p_new_pkey = download_key( + VLC_OBJECT(p_update->p_libvlc), + sign.issuer_longid, videolan_public_key_longid ); + if( !p_new_pkey ) + { + msg_Err( p_update->p_libvlc, "Couldn't download GPG key" ); + FREENULL( p_update->p_pkey ); + goto error; + } + + uint8_t *p_hash = hash_sha1_from_public_key( p_new_pkey ); + if( !p_hash ) + { + msg_Err( p_update->p_libvlc, "Failed to hash signature" ); + free( p_new_pkey ); + FREENULL( p_update->p_pkey ); + goto error; + } + + if( verify_signature( p_new_pkey->sig.r, p_new_pkey->sig.s, + &p_update->p_pkey->key, p_hash ) == VLC_SUCCESS ) + { + free( p_hash ); + msg_Info( p_update->p_libvlc, "Key authenticated" ); + free( p_update->p_pkey ); + p_update->p_pkey = p_new_pkey; + } + else + { + free( p_hash ); + msg_Err( p_update->p_libvlc, "Key signature invalid !\n" ); + goto error; + } + } + + uint8_t *p_hash = hash_sha1_from_text( psz_update_data, &sign ); + if( !p_hash ) + { + msg_Warn( p_update->p_libvlc, "Can't compute SHA1 hash for status file" ); + goto error; + } + + else if( p_hash[0] != sign.hash_verification[0] || + p_hash[1] != sign.hash_verification[1] ) + { + msg_Warn( p_update->p_libvlc, "Bad SHA1 hash for status file" ); + goto error; + } + + else if( verify_signature( sign.r, sign.s, &p_update->p_pkey->key, p_hash ) + != VLC_SUCCESS ) + { + msg_Err( p_update->p_libvlc, "BAD SIGNATURE for status file" ); + goto error; + } + + else + { + msg_Info( p_update->p_libvlc, "Status file authenticated" ); + return true; + } + +error: + if( p_stream ) + stream_Delete( p_stream ); + free( psz_version_line ); + free( psz_update_data ); + return false; +} + +static void* update_CheckReal( vlc_object_t *p_this ); /** * Check for updates * * \param p_update pointer to update struct + * \param pf_callback pointer to a function to call when the update_check is finished + * \param p_data pointer to some datas to give to the callback * \returns nothing */ -void update_Check( update_t *p_update ) +void update_Check( update_t *p_update, void (*pf_callback)( void*, bool ), void *p_data ) { assert( p_update ); - update_check_thread_t *p_uct = vlc_object_create( p_update->p_libvlc, - sizeof( update_check_thread_t ) ); + // If the object already exist, destroy it + if( p_update->p_check ) + { + vlc_object_kill( p_update->p_check ); + vlc_thread_join( p_update->p_check ); + vlc_object_release( p_update->p_check ); + } + + update_check_thread_t *p_uct = + vlc_custom_create( p_update->p_libvlc, sizeof( *p_uct ), + VLC_OBJECT_GENERIC, "update check" ); + if( !p_uct ) return; + p_uct->p_update = p_update; + p_update->p_check = p_uct; + p_uct->pf_callback = pf_callback; + p_uct->p_data = p_data; vlc_thread_create( p_uct, "check for update", update_CheckReal, - VLC_THREAD_PRIORITY_LOW, VLC_FALSE ); + VLC_THREAD_PRIORITY_LOW ); } -void update_CheckReal( update_check_thread_t *p_uct ) +void* update_CheckReal( vlc_object_t* p_this ) { + update_check_thread_t *p_uct = (update_check_thread_t *)p_this; + bool b_ret; + int canc; + + canc = vlc_savecancel (); vlc_mutex_lock( &p_uct->p_update->lock ); EmptyRelease( p_uct->p_update ); - GetUpdateFile( p_uct->p_update ); - + b_ret = GetUpdateFile( p_uct->p_update ); vlc_mutex_unlock( &p_uct->p_update->lock ); - var_TriggerCallback( p_uct->p_update->p_libvlc, "update-notify" ); -} + if( p_uct->pf_callback ) + (p_uct->pf_callback)( p_uct->p_data, b_ret ); -/** - * Compare two release numbers - * - * \param p1 first release - * \param p2 second release - * \return UpdateReleaseStatus(Older|Equal|Newer) - */ -static int CompareReleases( const struct update_release_t *p1, - const struct update_release_t *p2 ) -{ - int32_t d; - d = ( p1->i_major << 24 ) + ( p1->i_minor << 16 ) + ( p1->i_revision << 8 ) - - ( p2->i_major << 24 ) - ( p2->i_minor << 16 ) - ( p2->i_revision << 8 ) - + ( p1->extra ) - ( p2->extra ); - - if( d < 0 ) - return UpdateReleaseStatusOlder; - else if( d == 0 ) - return UpdateReleaseStatusEqual; - else - return UpdateReleaseStatusNewer; + vlc_restorecancel (canc); + return NULL; } /** * Compare a given release's version number to the current VLC's one * * \param p_update structure - * \return UpdateReleaseStatus(Older|Equal|Newer) + * \return true if we have to upgrade to the given version to be up to date */ -int update_CompareReleaseToCurrent( update_t *p_update ) +static bool is_strictly_greater( int * a, int * b, int n) { - assert( p_update ); - - struct update_release_t c; + if( n <= 0 ) return false; + if(a[0] > b[0] ) return true; + if(a[0] == b[0] ) return is_strictly_greater( a+1, b+1, n-1 ); + /* a[0] < b[0] */ return false; +} - /* get the current version number */ - c.i_major = *PACKAGE_VERSION_MAJOR - '0'; - c.i_minor = *PACKAGE_VERSION_MINOR - '0'; - c.i_revision = *PACKAGE_VERSION_REVISION - '0'; - c.extra = *PACKAGE_VERSION_EXTRA; +bool update_NeedUpgrade( update_t *p_update ) +{ + assert( p_update ); - return CompareReleases( &p_update->release, &c ); + int current_version[] = { + *PACKAGE_VERSION_MAJOR - '0', + *PACKAGE_VERSION_MINOR - '0', + *PACKAGE_VERSION_REVISION - '0', + /* extra string of development versions is "-git", "-rc" .. + * so make sure version a.b.c is newer than a.b.c-XXX */ + (*PACKAGE_VERSION_EXTRA == '-') ? -1 : *PACKAGE_VERSION_EXTRA + }; + int latest_version[] = { + p_update->release.i_major, + p_update->release.i_minor, + p_update->release.i_revision, + p_update->release.extra + }; + + return is_strictly_greater( latest_version, current_version, 4 ); } /** @@ -984,29 +481,20 @@ int update_CompareReleaseToCurrent( update_t *p_update ) static char *size_str( long int l_size ) { char *psz_tmp = NULL; + int i_retval = 0; if( l_size >> 30 ) - asprintf( &psz_tmp, "%.1f GB", (float)l_size/(1<<30) ); + i_retval = asprintf( &psz_tmp, _("%.1f GB"), (float)l_size/(1<<30) ); else if( l_size >> 20 ) - asprintf( &psz_tmp, "%.1f MB", (float)l_size/(1<<20) ); + i_retval = asprintf( &psz_tmp, _("%.1f MB"), (float)l_size/(1<<20) ); else if( l_size >> 10 ) - asprintf( &psz_tmp, "%.1f kB", (float)l_size/(1<<10) ); + i_retval = asprintf( &psz_tmp, _("%.1f kB"), (float)l_size/(1<<10) ); else - asprintf( &psz_tmp, "%ld B", l_size ); - return psz_tmp; -} + i_retval = asprintf( &psz_tmp, _("%ld B"), l_size ); + return i_retval == -1 ? NULL : psz_tmp; +} -/* - * Struct to launch the download in a thread - */ -typedef struct -{ - VLC_COMMON_MEMBERS - update_t *p_update; - char *psz_destdir; -} update_download_thread_t; - -void update_DownloadReal( update_download_thread_t *p_udt ); +static void* update_DownloadReal( vlc_object_t *p_this ); /** * Download the file given in the update_t @@ -1015,117 +503,286 @@ void update_DownloadReal( update_download_thread_t *p_udt ); * \param dir to store the download file * \return nothing */ -void update_Download( update_t *p_update, char *psz_destdir ) +void update_Download( update_t *p_update, const char *psz_destdir ) { assert( p_update ); - update_download_thread_t *p_udt = vlc_object_create( p_update->p_libvlc, - sizeof( update_download_thread_t ) ); + // If the object already exist, destroy it + if( p_update->p_download ) + { + vlc_object_kill( p_update->p_download ); + vlc_thread_join( p_update->p_download ); + vlc_object_release( p_update->p_download ); + } + + update_download_thread_t *p_udt = + vlc_custom_create( p_update->p_libvlc, sizeof( *p_udt ), + VLC_OBJECT_GENERIC, "update download" ); + if( !p_udt ) + return; p_udt->p_update = p_update; - p_udt->psz_destdir = STRDUP( psz_destdir ); + p_update->p_download = p_udt; + p_udt->psz_destdir = psz_destdir ? strdup( psz_destdir ) : NULL; vlc_thread_create( p_udt, "download update", update_DownloadReal, - VLC_THREAD_PRIORITY_LOW, VLC_FALSE ); + VLC_THREAD_PRIORITY_LOW ); } -void update_DownloadReal( update_download_thread_t *p_udt ) + +static void* update_DownloadReal( vlc_object_t *p_this ) { - int i_progress = 0; + update_download_thread_t *p_udt = (update_download_thread_t *)p_this; + dialog_progress_bar_t *p_progress = NULL; long int l_size; long int l_downloaded = 0; - char *psz_status; - char *psz_downloaded; - char *psz_size; - char *psz_destfile; - char *psz_tmpdestfile; + float f_progress; + char *psz_status = NULL; + char *psz_downloaded = NULL; + char *psz_size = NULL; + char *psz_destfile = NULL; + char *psz_tmpdestfile = NULL; FILE *p_file = NULL; - stream_t *p_stream; - void* p_buffer; + stream_t *p_stream = NULL; + void* p_buffer = NULL; int i_read; + int canc; update_t *p_update = p_udt->p_update; char *psz_destdir = p_udt->psz_destdir; - /* Open the stream */ - p_stream = stream_UrlNew( p_update->p_libvlc, p_update->release.psz_url ); + msg_Dbg( p_udt, "Opening Stream '%s'", p_update->release.psz_url ); + canc = vlc_savecancel (); + /* Open the stream */ + p_stream = stream_UrlNew( p_udt, p_update->release.psz_url ); if( !p_stream ) { - msg_Err( p_update->p_libvlc, "Failed to open %s for reading", p_update->release.psz_url ); + msg_Err( p_udt, "Failed to open %s for reading", p_update->release.psz_url ); + goto end; } - else + + /* Get the stream size */ + l_size = stream_Size( p_stream ); + + /* Get the file name and open it*/ + psz_tmpdestfile = strrchr( p_update->release.psz_url, '/' ); + if( !psz_tmpdestfile ) + { + msg_Err( p_udt, "The URL %s is badly formated", + p_update->release.psz_url ); + goto end; + } + psz_tmpdestfile++; + if( asprintf( &psz_destfile, "%s%s", psz_destdir, psz_tmpdestfile ) == -1 ) + goto end; + + p_file = vlc_fopen( psz_destfile, "w" ); + if( !p_file ) + { + msg_Err( p_udt, "Failed to open %s for writing", psz_destfile ); + dialog_FatalWait( p_udt, _("Saving file failed"), + _("Failed to open \"%s\" for writing"), + psz_destfile ); + goto end; + } + + /* Create a buffer and fill it with the downloaded file */ + p_buffer = (void *)malloc( 1 << 10 ); + if( !p_buffer ) + { + msg_Err( p_udt, "Can't malloc (1 << 10) bytes! download cancelled." ); + goto end; + } + + msg_Dbg( p_udt, "Downloading Stream '%s'", p_update->release.psz_url ); + + psz_size = size_str( l_size ); + if( asprintf( &psz_status, _("%s\nDownloading... %s/%s %.1f%% done"), + p_update->release.psz_url, "0.0", psz_size, 0.0 ) != -1 ) { - /* Get the stream size and open the output file */ - l_size = stream_Size( p_stream ); + p_progress = dialog_ProgressCreate( p_udt, _( "Downloading ..."), + psz_status, _("Cancel") ); + free( psz_status ); + } - psz_tmpdestfile = strrchr( p_update->release.psz_url, '/' ); - if( !psz_tmpdestfile ) + while( vlc_object_alive( p_udt ) && + ( i_read = stream_Read( p_stream, p_buffer, 1 << 10 ) ) && + !dialog_ProgressCancelled( p_progress ) ) + { + if( fwrite( p_buffer, i_read, 1, p_file ) < 1 ) { - msg_Err( p_update->p_libvlc, "The URL %s is false formated", p_update->release.psz_url ); - return; + msg_Err( p_udt, "Failed to write into %s", psz_destfile ); + break; } - else + + l_downloaded += i_read; + psz_downloaded = size_str( l_downloaded ); + f_progress = (float)l_downloaded/(float)l_size; + + if( asprintf( &psz_status, _( "%s\nDownloading... %s/%s - %.1f%% done" ), + p_update->release.psz_url, psz_downloaded, psz_size, + f_progress*100 ) != -1 ) { - psz_tmpdestfile++; - if( asprintf( &psz_destfile, "%s%s", psz_destdir, psz_tmpdestfile ) != -1 ) - { - p_file = utf8_fopen( psz_destfile, "w" ); - if( !p_file ) - { - msg_Err( p_update->p_libvlc, "Failed to open %s for writing", psz_destfile ); - } - else - { - /* Create a buffer and fill it with the downloaded file */ - p_buffer = (void *)malloc( 1 << 10 ); - if( p_buffer ) - { - psz_size = size_str( l_size ); - if( asprintf( &psz_status, "%s\nDownloading... O.O/%s %.1f%% done", p_update->release.psz_url, psz_size, 0.0 ) != -1 ) - { - i_progress = intf_UserProgress( p_update->p_libvlc, "Downloading ...", psz_status, 0.0, 0 ); - free( psz_status ); - } - - while( ( i_read = stream_Read( p_stream, p_buffer, 1 << 10 ) ) && - !intf_ProgressIsCancelled( p_update->p_libvlc, i_progress ) ) - { - fwrite( p_buffer, i_read, 1, p_file ); - - l_downloaded += i_read; - psz_downloaded = size_str( l_downloaded ); - if( asprintf( &psz_status, "%s\nDonwloading... %s/%s %.1f%% done", p_update->release.psz_url, - psz_size, psz_downloaded, 100.0*(float)l_downloaded/(float)l_size ) != -1 ) - { - intf_ProgressUpdate( p_update->p_libvlc, i_progress, psz_status, 10.0, 0 ); - free( psz_status ); - } - free( psz_downloaded ); - } - free( p_buffer ); - - /* If the user cancelled the download */ - if( !intf_ProgressIsCancelled( p_update->p_libvlc, i_progress ) ) - { - if( asprintf( &psz_status, "%s\nDone %s (100.0%%)", p_update->release.psz_url, psz_size ) != -1 ) - { - intf_ProgressUpdate( p_update->p_libvlc, i_progress, psz_status, 100.0, 0 ); - free( psz_status ); - } - } - free( psz_size ); - } - fclose( p_file ); - if( intf_ProgressIsCancelled( p_update->p_libvlc, i_progress ) ) - remove( psz_destfile ); - } - free( psz_destfile ); - } + dialog_ProgressSet( p_progress, psz_status, f_progress ); + free( psz_status ); } + free( psz_downloaded ); } + + /* Finish the progress bar or delete the file if the user had canceled */ + fclose( p_file ); + p_file = NULL; + + if( vlc_object_alive( p_udt ) && + !dialog_ProgressCancelled( p_progress ) ) + { + if( asprintf( &psz_status, _("%s\nDone %s (100.0%%)"), + p_update->release.psz_url, psz_size ) != -1 ) + { + dialog_ProgressDestroy( p_progress ); + p_progress = NULL; + free( psz_status ); + } + } + else + { + vlc_unlink( psz_destfile ); + goto end; + } + + signature_packet_t sign; + if( download_signature( VLC_OBJECT( p_udt ), &sign, + p_update->release.psz_url ) != VLC_SUCCESS ) + { + vlc_unlink( psz_destfile ); + + dialog_FatalWait( p_udt, _("File could not be verified"), + _("It was not possible to download a cryptographic signature for " + "the downloaded file \"%s\". Thus, it was deleted."), + psz_destfile ); + msg_Err( p_udt, "Couldn't download signature of downloaded file" ); + goto end; + } + + if( memcmp( sign.issuer_longid, p_update->p_pkey->longid, 8 ) ) + { + vlc_unlink( psz_destfile ); + msg_Err( p_udt, "Invalid signature issuer" ); + dialog_FatalWait( p_udt, _("Invalid signature"), + _("The cryptographic signature for the downloaded file \"%s\" was " + "invalid and could not be used to securely verify it. Thus, the " + "file was deleted."), + psz_destfile ); + goto end; + } + + if( sign.type != BINARY_SIGNATURE ) + { + vlc_unlink( psz_destfile ); + msg_Err( p_udt, "Invalid signature type" ); + dialog_FatalWait( p_udt, _("Invalid signature"), + _("The cryptographic signature for the downloaded file \"%s\" was " + "invalid and could not be used to securely verify it. Thus, the " + "file was deleted."), + psz_destfile ); + goto end; + } + + uint8_t *p_hash = hash_sha1_from_file( psz_destfile, &sign ); + if( !p_hash ) + { + msg_Err( p_udt, "Unable to hash %s", psz_destfile ); + vlc_unlink( psz_destfile ); + dialog_FatalWait( p_udt, _("File not verifiable"), + _("It was not possible to securely verify the downloaded file" + " \"%s\". Thus, it was deleted."), + psz_destfile ); + + goto end; + } + + if( p_hash[0] != sign.hash_verification[0] || + p_hash[1] != sign.hash_verification[1] ) + { + vlc_unlink( psz_destfile ); + dialog_FatalWait( p_udt, _("File corrupted"), + _("Downloaded file \"%s\" was corrupted. Thus, it was deleted."), + psz_destfile ); + msg_Err( p_udt, "Bad SHA1 hash for %s", psz_destfile ); + free( p_hash ); + goto end; + } + + if( verify_signature( sign.r, sign.s, &p_update->p_pkey->key, p_hash ) + != VLC_SUCCESS ) + { + vlc_unlink( psz_destfile ); + dialog_FatalWait( p_udt, _("File corrupted"), + _("Downloaded file \"%s\" was corrupted. Thus, it was deleted."), + psz_destfile ); + msg_Err( p_udt, "BAD SIGNATURE for %s", psz_destfile ); + free( p_hash ); + goto end; + } + + msg_Info( p_udt, "%s authenticated", psz_destfile ); + free( p_hash ); + +end: + if( p_progress ) + dialog_ProgressDestroy( p_progress ); + if( p_stream ) + stream_Delete( p_stream ); + if( p_file ) + fclose( p_file ); free( psz_destdir ); - stream_Delete( p_stream ); + free( psz_destfile ); + free( p_buffer ); + free( psz_size ); + + vlc_restorecancel( canc ); + return NULL; +} + +update_release_t *update_GetRelease( update_t *p_update ) +{ + return &p_update->release; +} + +#else +#undef update_New +update_t *update_New( vlc_object_t *p_this ) +{ + (void)p_this; + return NULL; +} + +void update_Delete( update_t *p_update ) +{ + (void)p_update; +} + +void update_Check( update_t *p_update, void (*pf_callback)( void*, bool ), + void *p_data ) +{ + (void)p_update; (void)pf_callback; (void)p_data; +} + +bool update_NeedUpgrade( update_t *p_update ) +{ + (void)p_update; + return false; } +void update_Download( update_t *p_update, const char *psz_destdir ) +{ + (void)p_update; (void)psz_destdir; +} + +update_release_t *update_GetRelease( update_t *p_update ) +{ + (void)p_update; + return NULL; +} #endif