1 /*****************************************************************************
2 * vlc_update.h: VLC update and plugins download
3 *****************************************************************************
4 * Copyright © 2005-2007 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
8 * Rafaël Carré <funman@videolanorg>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either release 2 of the License, or
13 * (at your option) any later release.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 #if !defined( __LIBVLC__ )
26 #error You are not libvlc or one of its plugins. You cannot include this file
36 #include <vlc_stream.h> /* key & signature downloading */
37 #include <vlc_strings.h> /* b64 decoding */
38 #include <vlc_charset.h> /* utf8_fopen() */
39 #include <gcrypt.h> /* cryptography and digest algorithms */
42 * \defgroup update Update
47 enum /* Public key algorithms */
49 /* we will only use DSA public keys */
50 PUBLIC_KEY_ALGO_DSA = 0x11
53 enum /* Digest algorithms */
55 /* and DSA use SHA-1 digest */
56 DIGEST_ALGO_SHA1 = 0x02
59 enum /* Packet types */
61 SIGNATURE_PACKET = 0x02,
62 PUBLIC_KEY_PACKET = 0x06,
66 enum /* Signature types */
68 BINARY_SIGNATURE = 0x00,
69 TEXT_SIGNATURE = 0x01,
71 /* Public keys signatures */
72 GENERIC_KEY_SIGNATURE = 0x10, /* No assumption of verification */
73 PERSONA_KEY_SIGNATURE = 0x11, /* No verification has been made */
74 CASUAL_KEY_SIGNATURE = 0x12, /* Some casual verification */
75 POSITIVE_KEY_SIGNATURE = 0x13 /* Substantial verification */
79 enum /* Signature subpacket types */
81 ISSUER_SUBPACKET = 0x10
86 struct public_key_packet_t
87 { /* a public key packet (DSA/SHA-1) is 418 bytes */
89 uint8_t version; /* we use only version 4 */
90 uint8_t timestamp[4]; /* creation time of the key */
91 uint8_t algo; /* we only use DSA */
92 /* the multi precision integers, with their 2 bytes length header */
99 /* used for public key signatures */
100 struct signature_packet_v4_t
101 { /* hashed_data or unhashed_data can be empty, so the signature packet is
102 * theorically at least 54 bytes long, but always more than that. */
106 uint8_t public_key_algo;
108 uint8_t hashed_data_len[2];
109 uint8_t *hashed_data;
110 uint8_t unhashed_data_len[2];
111 uint8_t *unhashed_data;
112 uint8_t hash_verification[2];
114 /* The part below is made of consecutive MPIs, their number and size being
115 * public-key-algorithm dependant.
116 * But since we use DSA signatures only, we fix it. */
121 /* Used for binary document signatures (to be compatible with older software)
122 * DSA/SHA-1 is always 65 bytes */
123 struct signature_packet_v3_t
126 uint8_t version; /* 3 */
127 uint8_t hashed_data_len; /* MUST be 5 */
129 uint8_t timestamp[4]; /* 4 bytes scalar number */
130 uint8_t issuer_longid[8]; /* The key which signed the document */
131 uint8_t public_key_algo; /* we only know about DSA */
132 uint8_t digest_algo; /* and his little sister SHA-1 */
133 uint8_t hash_verification[2];/* the 2 1st bytes of the SHA-1 hash */
135 /* The part below is made of consecutive MPIs, their number and size being
136 * public-key-algorithm dependant.
137 * But since we use DSA signatures only, we fix it. */
142 typedef struct public_key_packet_t public_key_packet_t;
143 typedef struct signature_packet_v4_t signature_packet_v4_t;
144 typedef struct signature_packet_v3_t signature_packet_v3_t;
148 uint8_t longid[8]; /* Long id */
149 uint8_t *psz_username; /* USER ID */
151 public_key_packet_t key; /* Public key packet */
153 signature_packet_v4_t sig; /* Signature packet, by the embedded key */
156 typedef struct public_key_t public_key_t;
158 /* We trust this public key, and by extension, also keys signed by it. */
160 //#define OLD 1 //Define OLD to use Videolan Key 2006, to test public key download
162 static uint8_t videolan_public_key_longid[8] = {
164 0xC3, 0x67, 0xD8, 0xB9, 0x81, 0xCA, 0xCA, 0x84
166 0x90, 0x28, 0x17, 0xE4, 0xAA, 0x5F, 0x4D, 0xE6
170 static uint8_t videolan_public_key[] = {
172 "-----BEGIN PGP PUBLIC KEY BLOCK-----\n"
173 "Version: GnuPG v2.0.4 (FreeBSD)\n"
175 "mQGiBEPBV9IRBADqm3i6AnMyZ2/iowBPZJrP3bwhcqx9EhJR5/N8Pz+QjhvLsY5P\n"
176 "efH1381RlEk33dl0vEvKULFstqT2GO+vtdoE+35tf1YlYFvxy23qn3Gsn2IMM6pl\n"
177 "e0AatBnxzD1Vtlh7+Xhm0PvGJilZeg/MamEK2A8hgwhj3aGxVfzdtkQ1HwCg9XIo\n"
178 "PZ8x5W0r6sfRXYmCDR06NFEEANRY98cFWJdvBmutLzoSC9y7eLxyGzKofs7ikxKg\n"
179 "myT1o3eraeCoZc+mIbZG4cZA9UqL/fmqZa/3gvnvDEzoI8u7u7gL6bu499XAnzVd\n"
180 "VV4cwvzgAPnMiqhi0jNWlXbt4dyZ+sWDhkL+ivrg3HsRU9xQUvYv54YQT0FxmR+E\n"
181 "yTnjA/9KoPRPwAWy7Q4R24CNSjMz5+075J2LUz0QDjTzcLh6Y/gI7oxNGsgsmLQ8\n"
182 "LMgtPZPbNw1FP6c6LMdUsLBCuCBKr7K3qOMubZc4694kB28bnpvP9EiHqvF8XiuY\n"
183 "lNNHzqFVCufAuSceg4B+INczF46i0KUT0xhsIkw0KMfofac+g7Q9VmlkZW9MQU4g\n"
184 "QXV0b21hdGljIFNpZ25pbmcgS2V5ICgyMDA2KSA8dmlkZW9sYW5AdmlkZW9sYW4u\n"
185 "b3JnPohGBBARAgAGBQJDwVhJAAoJEK0m7YKmyAW5enUAoKomp97VmvhcxzFFAWVq\n"
186 "nVmgR5o1AJ9pDxHnR987+WpQJEb29fOGRCv9mIhGBBARAgAGBQJDwvoRAAoJEKe9\n"
187 "h1GAZnhb3x0AnjPZNWxOxcgCm3pYNqvvoEG4Yn6lAKC25Llg8SZZ2ClPNK5a43Lm\n"
188 "QSLm8ohGBBMRAgAGBQJDwqW1AAoJEMPsbb7dbRK9zUIAoMxt11NpDs2I6PWn5rs3\n"
189 "kv2ERS/jAJ4lzBh03apWuHGRVTpa7JUwcuRrTIhGBBMRAgAGBQJDwveAAAoJEDlN\n"
190 "xZEO1wTqjN8Ani62eTBkOmn48PiGgDxlv0HDKGY+AKCT8dJrDIvWRbioeVoZ2q32\n"
191 "ro6nBohGBBMRAgAGBQJECI5aAAoJEMcpqsa+jGsuS4AAnRF5BHE4I5+x6LxpXwqI\n"
192 "rJYaJlr6AKCDpSflz+eOARGyMVNZ+tfN7zuYP4hJBBARAgAJBQJEiFlSAgcAAAoJ\n"
193 "EJ7/Di3F33VbbR8An2SLqQLhyCrSivMvhkY5y09u/JVyAJ9jLnR/JR/tP0bsaKSz\n"
194 "+unF3Tb7YohlBBMRAgAmBQJDwVfSAhsDBQkB3+IABgsJCAcDAgQVAggDBBYCAwEC\n"
195 "HgECF4AACgkQw2fYuYHKyoSRdACfcNQ3qoDA0PXABrljF5CctywanhoAmMZ9tbyn\n"
196 "LFy4ELbzCCglS8aJrYS5Ag0EQ8FX4xAIAICyMekh4upMZcq/x3krQAQ8bVTzOd1h\n"
197 "tcI4UV2voBEapdA7DA/xRpEjNO05o1LM/oq9Rzh8oQtEWf75vNeOLJfiVR1Vy3cz\n"
198 "0+a45GR4xFSTHg9zl13OM/oLI5hXrp5O5Zwu6yIZqBRiQNoCifKNvM3nrPhkjszr\n"
199 "TNMx2gH84DkoTDGh7th4Iar/t05Q9Ni3HS86LHOAJS4aEimPl/zqM3NyJnZDtlu1\n"
200 "dQ0DT13ykHmofrEb4cLNBwER2KfhmR/o9f/ybpPwpUaL3Wo1jJYYEQscBHH0o1Rl\n"
201 "OvLKwZrrkwEAuIJRGMWYYtFSecqr/kuSHKc5XQtx/mUnOy+Nrt7ooPcAAwUH+wWM\n"
202 "Ce3G4L4dASjTeZlmd8ETUV5Y7iP9GUJrGHek1S5JJeiMKqjfoMVsshBTJlZPkUYq\n"
203 "OwnJZzI5lxGD9SbkE2n9LUWGXll3GDbV0zXdzaG5/Efzq5BpISkpqyDszDxb9LPi\n"
204 "XQD/EiYP9pqlivgCTIqtcxN0Pdr0ArW0q7/yBfqWe0Fw9JrxHFN8dzmBnZk/sUis\n"
205 "ZIxcRWlK/mdfxgcbRSKsaqucToubwJvIONaW3y/zURjG/Ehdkh/NR7yEnMJN6/SY\n"
206 "E8VgjwL9Wx1KfC8nuqkFhmSMoIVKOck+0lAU3iTpThyYlU0M1luJvkYT2+Enlc1P\n"
207 "eqMK0FlDmF60NbnPuzOITwQYEQIADwUCQ8FX4wIbDAUJAd/iAAAKCRDDZ9i5gcrK\n"
208 "hCMLAKDB2xwcJT9OFM6G/seEnVMWGBfzrACg8UyCfxX2mNWNPTE4MQ/xiaQ6VBM=\n"
210 "-----END PGP PUBLIC KEY BLOCK-----\n"
212 "-----BEGIN PGP PUBLIC KEY BLOCK-----\n"
213 "Version: GnuPG v2.0.4 (FreeBSD)\n"
215 "mQGiBEWbjf8RBAC+4m2yYYzuA0+D5JQatKmoxG4z3+bat08tMz0YvBUp1UU+95i4\n"
216 "cP9ndklv3yzhtZ4MIx5yy64FXtPi0/NQiikEVYPYn2KMO4LCfZCwYBEizVWzABya\n"
217 "LZcffCP/3VhoR90NUluWyi+zVAn9KNIRlnhnYpDDlI76fCrTTHDCtgpImwCg7VzB\n"
218 "4L6O0JpUJBCZOCAPJNYirUkD/3uCZe4vK4kLW+W3HB+grMCI1uFULmVSKMBQZc+p\n"
219 "dqDq++u3zYGqiMNaVrLg/J4GSH/P0ossXEtmTVjLHF4nJ7HXfIjqkqdkxq7g9odY\n"
220 "/dkA/aC7z4JBgcYfRnDMqfL12C+3b+KSwxQSzPcbvsFYm2KTgteLwG3mRlpL7Dh5\n"
221 "S70nBAC1PkIl7mP4OL7vpQk9dkdQCARJLgyn5pu/pZV7He4fDLHkUr/atnYaIHk1\n"
222 "15xl/ziHcBql2WmF0Uff9SuuNOi/hFCuWZSwPKsgtIhYZ5ut4FrBAVkqHV2CgxFp\n"
223 "aSiA7+FTG91++LDsg2xrHyTRW+fQnPdpf5a4H1fF15azo40h17QjVmlkZW9MQU4g\n"
224 "UmVsZWFzZSBTaWduaW5nIEtleSAoMjAwNymIRgQQEQIABgUCRZ41PgAKCRDDZ9i5\n"
225 "gcrKhPmUAJ49Krgt6ZPZZ2YkW7fWFwTvSgGongCePDjnFh1g4078f7lycT4wFk/c\n"
226 "vPiIRgQQEQIABgUCRZ71NQAKCRD9Ibw7rD4IebztAKCxuyWCjF2JPAe1hdZqNNbE\n"
227 "/gWDRACfaBw6mpHh3+jZuNnRk6NctFMbTzWIRgQTEQIABgUCRZuOiQAKCRDD7G2+\n"
228 "3W0SvRkEAJ9cCPrbfzoTHKUVlGLAKbx5pcoutQCdENlo4nwXbQHaREDqm+ISBU3p\n"
229 "iXeIZgQTEQIAJgUCRZuN/wIbAwUJAeEzgAYLCQgHAwIEFQIIAwQWAgMBAh4BAheA\n"
230 "AAoJEJAoF+SqX03m4ZQAoOSj3JzzUuY+n/oS0Y4/yZ4tThNNAJ4h+9FacWApQdNJ\n"
231 "+PcydRFEEm203LkCDQRFm44DEAgAlNLlnyIkLJ/Uyncsd5nB46LqQpJDLJ3AalfN\n"
232 "44Vy3aOG+aA7JsNL5T5r5WRGnAf41qSOFiuZHwjfrtKb4TWkcfWlpsi8t5uasII9\n"
233 "WAVX2aVIbiPMNWUnhQIn8rjCRLm2t/0Hch0HDbXaI/hvub5qhmSHfmqzlkuEUyVu\n"
234 "H+beivX8pQwxqpcWXrmwuNzhISR1DsWBn5u0WcOSqUDtFG5Me8AuPFR1oxdYTtvC\n"
235 "vqlVnw6ag3QuNqaAgWDU5Ug/U10ZxCZTn5TAcp+1ZDlM/dXIwh8wKXDjiKqHgYg1\n"
236 "VLQ4fOsscTJoUDOaobeaVwTcDaSB4yQ3bhB2q5fLKqj+bNrY9wADBQf/Rw92M9b/\n"
237 "JRs5IpX3fcrgHetVLHPiRuW8btD6EkmlgyRFOwOCzOSlSzFW6DKFrbOvd01EWkaP\n"
238 "4PWJNW7b7OZqzK+UWzlWTgtV/2iUJtHg3+euZRdc5V9gqW17+HIAxjJVE53Syn8u\n"
239 "kiJpk7HebtQo/v/pk3jtxdeJU3fY8ZAKJFl8V9aAj7ATFaAhYohzyKTRYc04F0n6\n"
240 "VJDtwQkobdhq2//+5hSVrJ9wXRRF6XFVxc32NinqDEYrJUvTVayYu28Ivg4CTlts\n"
241 "a+R7x92aDVT2KT+voPIGZxPYjALGa/I2hrlEYD9CiRFNBKAzRiNGAOo67SNI4hDu\n"
242 "rFWRmMNOONWpIIhPBBgRAgAPBQJFm44DAhsMBQkB4TOAAAoJEJAoF+SqX03m57kA\n"
243 "oMPb2o2D9gSwQFKXhamx2YdrykHOAKDqQ1tHH3ULY5cLLAKVaQtsNhVEtQ==\n"
245 "-----END PGP PUBLIC KEY BLOCK-----\n"
251 UpdateReleaseStatusOlder,
252 UpdateReleaseStatusEqual,
253 UpdateReleaseStatusNewer
257 * Describes an update VLC release number
259 struct update_release_t
261 int i_major; ///< Version major
262 int i_minor; ///< Version minor
263 int i_revision; ///< Version revision
264 char* psz_svnrev; ///< SVN revision
265 char* psz_extra; ///< Version extra
266 char* psz_url; ///< Download URL
267 char* psz_desc; ///< Release description
271 * The update object. Stores (and caches) all information relative to updates
275 libvlc_int_t *p_libvlc;
277 struct update_release_t release; ///< Release (version)
280 #define update_New( a ) __update_New( VLC_OBJECT( a ) )
282 VLC_EXPORT( update_t *, __update_New, ( vlc_object_t * ) );
283 VLC_EXPORT( void, update_Delete, ( update_t * ) );
284 VLC_EXPORT( void, update_Check, ( update_t * ) );
285 VLC_EXPORT( int, update_CompareReleaseToCurrent, ( update_t * ) );