00001
00007 #include "system.h"
00008 #include "rpmio_internal.h"
00009 #include "debug.h"
00010
00011
00012
00013
00014
00015 static int _debug = 0;
00016
00017
00018 static int _print = 0;
00019
00020
00021 static pgpDig _dig = NULL;
00022
00023
00024 static pgpDigParams _digp = NULL;
00025
00026 #ifdef DYING
00027
00028 const char * redhatPubKeyDSA = "\
00029 mQGiBDfqVDgRBADBKr3Bl6PO8BQ0H8sJoD6p9U7Yyl7pjtZqioviPwXP+DCWd4u8\n\
00030 HQzcxAZ57m8ssA1LK1Fx93coJhDzM130+p5BG9mYSWShLabR3N1KXdXQYYcowTOM\n\
00031 GxdwYRGr1Spw8QydLhjVfU1VSl4xt6bupPbWJbyjkg5Z3P7BlUOUJmrx3wCgobNV\n\
00032 EDGaWYJcch5z5B1of/41G8kEAKii6q7Gu/vhXXnLS6m15oNnPVybyngiw/23dKjS\n\
00033 ZVG7rKANEK2mxg1VB+vc/uUc4k49UxJJfCZg1gu1sPFV3GSa+Y/7jsiLktQvCiLP\n\
00034 lncQt1dV+ENmHR5BdIDPWDzKBVbgWnSDnqQ6KrZ7T6AlZ74VMpjGxxkWU6vV2xsW\n\
00035 XCLPA/9P/vtImA8CZN3jxGgtK5GGtDNJ/cMhhuv5tnfwFg4b/VGo2Jr8mhLUqoIb\n\
00036 E6zeGAmZbUpdckDco8D5fiFmqTf5+++pCEpJLJkkzel/32N2w4qzPrcRMCiBURES\n\
00037 PjCLd4Y5rPoU8E4kOHc/4BuHN903tiCsCPloCrWsQZ7UdxfQ5LQiUmVkIEhhdCwg\n\
00038 SW5jIDxzZWN1cml0eUByZWRoYXQuY29tPohVBBMRAgAVBQI36lQ4AwsKAwMVAwID\n\
00039 FgIBAheAAAoJECGRgM3bQqYOsBQAnRVtg7B25Hm11PHcpa8FpeddKiq2AJ9aO8sB\n\
00040 XmLDmPOEFI75mpTrKYHF6rkCDQQ36lRyEAgAokgI2xJ+3bZsk8jRA8ORIX8DH05U\n\
00041 lMH27qFYzLbT6npXwXYIOtVn0K2/iMDj+oEB1Aa2au4OnddYaLWp06v3d+XyS0t+\n\
00042 5ab2ZfIQzdh7wCwxqRkzR+/H5TLYbMG+hvtTdylfqIX0WEfoOXMtWEGSVwyUsnM3\n\
00043 Jy3LOi48rQQSCKtCAUdV20FoIGWhwnb/gHU1BnmES6UdQujFBE6EANqPhp0coYoI\n\
00044 hHJ2oIO8ujQItvvNaU88j/s/izQv5e7MXOgVSjKe/WX3s2JtB/tW7utpy12wh1J+\n\
00045 JsFdbLV/t8CozUTpJgx5mVA3RKlxjTA+On+1IEUWioB+iVfT7Ov/0kcAzwADBQf9\n\
00046 E4SKCWRand8K0XloMYgmipxMhJNnWDMLkokvbMNTUoNpSfRoQJ9EheXDxwMpTPwK\n\
00047 ti/PYrrL2J11P2ed0x7zm8v3gLrY0cue1iSba+8glY+p31ZPOr5ogaJw7ZARgoS8\n\
00048 BwjyRymXQp+8Dete0TELKOL2/itDOPGHW07SsVWOR6cmX4VlRRcWB5KejaNvdrE5\n\
00049 4XFtOd04NMgWI63uqZc4zkRa+kwEZtmbz3tHSdRCCE+Y7YVP6IUf/w6YPQFQriWY\n\
00050 FiA6fD10eB+BlIUqIw80VgjsBKmCwvKkn4jg8kibXgj4/TzQSx77uYokw1EqQ2wk\n\
00051 OZoaEtcubsNMquuLCMWijYhGBBgRAgAGBQI36lRyAAoJECGRgM3bQqYOhyYAnj7h\n\
00052 VDY/FJAGqmtZpwVp9IlitW5tAJ4xQApr/jNFZCTksnI+4O1765F7tA==\n\
00053 ";
00054
00055
00056 const char * redhatPubKeyRSA = "\
00057 mQCNAzEpXjUAAAEEAKG4/V9oUSiDc9wIge6Bmg6erDGCLzmFyioAho8kDIJSrcmi\n\
00058 F9qTdPq+fj726pgW1iSb0Y7syZn9Y2lgQm5HkPODfNi8eWyTFSxbr8ygosLRClTP\n\
00059 xqHVhtInGrfZNLoSpv1LdWOme0yOpOQJnghdOMzKXpgf5g84vaUg6PHLopv5AAUR\n\
00060 tCpSZWQgSGF0IFNvZnR3YXJlLCBJbmMuIDxyZWRoYXRAcmVkaGF0LmNvbT6JAJUD\n\
00061 BRAyA5tUoyDApfg4JKEBAUzSA/9QdcVsu955vVyZDk8uvOXWV0X3voT9B3aYMFvj\n\
00062 UNHUD6F1VFruwQHVKbGJEq1o5MOA6OXKR3vJZStXEMF47TWXJfQaflgl8ywZTH5W\n\
00063 +eMlKau6Nr0labUV3lmsAE4Vsgu8NCkzIrp2wNVbeW2ZAXtrKswV+refLquUhp7l\n\
00064 wMpH9IkAdQMFEDGttkRNdXhbO1TgGQEBAGoC/j6C22PqXIyqZc6fG6J6Jl/T5kFG\n\
00065 xH1pKIzua5WCDDugAgnuOJgywa4pegT4UqwEZiMTAlwT6dmG1CXgKB+5V7lnCjDc\n\
00066 JZLni0iztoe08ig6fJrjNGXljf7KYXzgwBftQokAlQMFEDMQzo2MRVM9rfPulQEB\n\
00067 pLoD/1/MWv3u0Paiu14XRvDrBaJ7BmG2/48bA5vKOzpvvoNRO95YS7ZEtqErXA7Y\n\
00068 DRO8+C8f6PAILMk7kCk4lNMscS/ZRzu5+J8cv4ejsFvxgJBBU3Zgp8AWdWOpvZ0I\n\
00069 wW//HoDUGhOxlEtymljIMFBkj4SysHWhCBUfA9Xy86kouTJQiQCVAwUQMxDOQ50a\n\
00070 feTWLUSJAQFnYQQAkt9nhMTeioREB1DvJt+vsFyOj//o3ThqK5ySEP3dgj62iaQp\n\
00071 JrBmAe5XZPw25C/TXAf+x27H8h2QbKgq49VtsElFexc6wO+uq85fAPDdyE+2XyNE\n\
00072 njGZkY/TP2F/jTB0sAwJO+xFCHmSYkcBjzxK/2LMD+O7rwp2UCUhhl9QhhqJAJUD\n\
00073 BRAx5na6pSDo8cuim/kBARmjA/4lDVnV2h9KiNabp9oE38wmGgu5m5XgUHW8L6du\n\
00074 iQDnwO5IgXN2vDpKGxbgtwv6iYYmGd8IRQ66uJvOsxSv3OR7J7LkCHuI2b/s0AZn\n\
00075 c79DZaJ2ChUCZlbNQBMeEdrFWif9NopY+d5+2tby1onu9XOFMMvomxL3NhctElYR\n\
00076 HC8Xw4kAlQMFEDHmdTtURTdEKY1MpQEBEtEEAMZbp1ZFrjiHkj2aLFC1S8dGRbSH\n\
00077 GUdnLP9qLPFgmWekp9E0o8ZztALGVdqPfPF3N/JJ+AL4IMrfojd7+eZKw36Mdvtg\n\
00078 dPI+Oz4sxHDbDynZ2qspD9Om5yYuxuz/Xq+9nO2IlsAnEYw3ag3cxat0kvxpOPRe\n\
00079 Yy+vFpgfDNizr3MgiQBVAwUQMXNMXCjtrosVMemRAQEDnwH7BsJrnnh91nI54LAK\n\
00080 Gcq3pr8ld0PAtWJmNRGQvUlpEMXUSnu59j2P1ogPNjL3PqKdVxk5Jqgcr8TPQMf3\n\
00081 V4fqXokAlQMFEDFy+8YiEmsRQ3LyzQEB+TwD/03QDslXLg5F3zj4zf0yI6ikT0be\n\
00082 5OhZv2pnkb80qgdHzFRxBOYmSoueRKdQJASd8F9ue4b3bmf/Y7ikiY0DblvxcXB2\n\
00083 sz1Pu8i2Zn9u8SKuxNIoVvM8/STRVkgPfvL5QjAWMHT9Wvg81XcI2yXJzrt/2f2g\n\
00084 mNpWIvVOOT85rVPIiQCVAwUQMVPRlBlzviMjNHElAQG1nwP/fpVX6nKRWJCSFeB7\n\
00085 leZ4lb+y1uMsMVv0n7agjJVw13SXaA267y7VWCBlnhsCemxEugqEIkI4lu/1mgtw\n\
00086 WPWSE0BOIVjj0AA8zp2T0H3ZCCMbiFAFJ1P2Gq2rKr8QrOb/08oH1lEzyz0j/jKh\n\
00087 qiXAxdlB1wojQB6yLbHvTIe3rZGJAHUDBRAxKetfzauiKSJ6LJEBAed/AvsEiGgj\n\
00088 TQzhsZcUuRNrQpV0cDGH9Mpril7P7K7yFIzju8biB+Cu6nEknSOHlMLl8usObVlk\n\
00089 d8Wf14soHC7SjItiGSKtI8JhauzBJPl6fDDeyHGsJKo9f9adKeBMCipCFOuJAJUD\n\
00090 BRAxKeqWRHFTaIK/x+0BAY6eA/4m5X4gs1UwOUIRnljo9a0cVs6ITL554J9vSCYH\n\
00091 Zzd87kFwdf5W1Vd82HIkRzcr6cp33E3IDkRzaQCMVw2me7HePP7+4Ry2q3EeZMbm\n\
00092 NE++VzkxjikzpRb2+F5nGB2UdsElkgbXinswebiuOwOrocLbz6JFdDsJPcT5gVfi\n\
00093 z15FuA==\n\
00094 ";
00095 #endif
00096
00097 struct pgpValTbl_s pgpSigTypeTbl[] = {
00098 { PGPSIGTYPE_BINARY, "Binary document signature" },
00099 { PGPSIGTYPE_TEXT, "Text document signature" },
00100 { PGPSIGTYPE_STANDALONE, "Standalone signature" },
00101 { PGPSIGTYPE_GENERIC_CERT, "Generic certification of a User ID and Public Key" },
00102 { PGPSIGTYPE_PERSONA_CERT, "Persona certification of a User ID and Public Key" },
00103 { PGPSIGTYPE_CASUAL_CERT, "Casual certification of a User ID and Public Key" },
00104 { PGPSIGTYPE_POSITIVE_CERT, "Positive certification of a User ID and Public Key" },
00105 { PGPSIGTYPE_SUBKEY_BINDING,"Subkey Binding Signature" },
00106 { PGPSIGTYPE_SIGNED_KEY, "Signature directly on a key" },
00107 { PGPSIGTYPE_KEY_REVOKE, "Key revocation signature" },
00108 { PGPSIGTYPE_SUBKEY_REVOKE, "Subkey revocation signature" },
00109 { PGPSIGTYPE_CERT_REVOKE, "Certification revocation signature" },
00110 { PGPSIGTYPE_TIMESTAMP, "Timestamp signature" },
00111 { -1, "Unknown signature type" },
00112 };
00113
00114 struct pgpValTbl_s pgpPubkeyTbl[] = {
00115 { PGPPUBKEYALGO_RSA, "RSA" },
00116 { PGPPUBKEYALGO_RSA_ENCRYPT,"RSA(Encrypt-Only)" },
00117 { PGPPUBKEYALGO_RSA_SIGN, "RSA(Sign-Only)" },
00118 { PGPPUBKEYALGO_ELGAMAL_ENCRYPT,"Elgamal(Encrypt-Only)" },
00119 { PGPPUBKEYALGO_DSA, "DSA" },
00120 { PGPPUBKEYALGO_EC, "Elliptic Curve" },
00121 { PGPPUBKEYALGO_ECDSA, "ECDSA" },
00122 { PGPPUBKEYALGO_ELGAMAL, "Elgamal" },
00123 { PGPPUBKEYALGO_DH, "Diffie-Hellman (X9.42)" },
00124 { -1, "Unknown public key algorithm" },
00125 };
00126
00127 struct pgpValTbl_s pgpSymkeyTbl[] = {
00128 { PGPSYMKEYALGO_PLAINTEXT, "Plaintext" },
00129 { PGPSYMKEYALGO_IDEA, "IDEA" },
00130 { PGPSYMKEYALGO_TRIPLE_DES, "3DES" },
00131 { PGPSYMKEYALGO_CAST5, "CAST5" },
00132 { PGPSYMKEYALGO_BLOWFISH, "BLOWFISH" },
00133 { PGPSYMKEYALGO_SAFER, "SAFER" },
00134 { PGPSYMKEYALGO_DES_SK, "DES/SK" },
00135 { PGPSYMKEYALGO_AES_128, "AES(128-bit key)" },
00136 { PGPSYMKEYALGO_AES_192, "AES(192-bit key)" },
00137 { PGPSYMKEYALGO_AES_256, "AES(256-bit key)" },
00138 { PGPSYMKEYALGO_TWOFISH, "TWOFISH" },
00139 { -1, "Unknown symmetric key algorithm" },
00140 };
00141
00142 struct pgpValTbl_s pgpCompressionTbl[] = {
00143 { PGPCOMPRESSALGO_NONE, "Uncompressed" },
00144 { PGPCOMPRESSALGO_ZIP, "ZIP" },
00145 { PGPCOMPRESSALGO_ZLIB, "ZLIB" },
00146 { -1, "Unknown compression algorithm" },
00147 };
00148
00149 struct pgpValTbl_s pgpHashTbl[] = {
00150 { PGPHASHALGO_MD5, "MD5" },
00151 { PGPHASHALGO_SHA1, "SHA1" },
00152 { PGPHASHALGO_RIPEMD160, "RIPEMD160" },
00153 { PGPHASHALGO_MD2, "MD2" },
00154 { PGPHASHALGO_TIGER192, "TIGER192" },
00155 { PGPHASHALGO_HAVAL_5_160, "HAVAL-5-160" },
00156 { -1, "Unknown hash algorithm" },
00157 };
00158
00159
00160
00161 struct pgpValTbl_s pgpKeyServerPrefsTbl[] = {
00162 { 0x80, "No-modify" },
00163 { -1, "Unknown key server preference" },
00164 };
00165
00166
00167 struct pgpValTbl_s pgpSubTypeTbl[] = {
00168 { PGPSUBTYPE_SIG_CREATE_TIME,"signature creation time" },
00169 { PGPSUBTYPE_SIG_EXPIRE_TIME,"signature expiration time" },
00170 { PGPSUBTYPE_EXPORTABLE_CERT,"exportable certification" },
00171 { PGPSUBTYPE_TRUST_SIG, "trust signature" },
00172 { PGPSUBTYPE_REGEX, "regular expression" },
00173 { PGPSUBTYPE_REVOCABLE, "revocable" },
00174 { PGPSUBTYPE_KEY_EXPIRE_TIME,"key expiration time" },
00175 { PGPSUBTYPE_BACKWARD_COMPAT,"placeholder for backward compatibility" },
00176 { PGPSUBTYPE_PREFER_SYMKEY, "preferred symmetric algorithms" },
00177 { PGPSUBTYPE_REVOKE_KEY, "revocation key" },
00178 { PGPSUBTYPE_ISSUER_KEYID, "issuer key ID" },
00179 { PGPSUBTYPE_NOTATION, "notation data" },
00180 { PGPSUBTYPE_PREFER_HASH, "preferred hash algorithms" },
00181 { PGPSUBTYPE_PREFER_COMPRESS,"preferred compression algorithms" },
00182 { PGPSUBTYPE_KEYSERVER_PREFERS,"key server preferences" },
00183 { PGPSUBTYPE_PREFER_KEYSERVER,"preferred key server" },
00184 { PGPSUBTYPE_PRIMARY_USERID,"primary user id" },
00185 { PGPSUBTYPE_POLICY_URL, "policy URL" },
00186 { PGPSUBTYPE_KEY_FLAGS, "key flags" },
00187 { PGPSUBTYPE_SIGNER_USERID, "signer's user id" },
00188 { PGPSUBTYPE_REVOKE_REASON, "reason for revocation" },
00189 { PGPSUBTYPE_INTERNAL_100, "internal subpkt type 100" },
00190 { PGPSUBTYPE_INTERNAL_101, "internal subpkt type 101" },
00191 { PGPSUBTYPE_INTERNAL_102, "internal subpkt type 102" },
00192 { PGPSUBTYPE_INTERNAL_103, "internal subpkt type 103" },
00193 { PGPSUBTYPE_INTERNAL_104, "internal subpkt type 104" },
00194 { PGPSUBTYPE_INTERNAL_105, "internal subpkt type 105" },
00195 { PGPSUBTYPE_INTERNAL_106, "internal subpkt type 106" },
00196 { PGPSUBTYPE_INTERNAL_107, "internal subpkt type 107" },
00197 { PGPSUBTYPE_INTERNAL_108, "internal subpkt type 108" },
00198 { PGPSUBTYPE_INTERNAL_109, "internal subpkt type 109" },
00199 { PGPSUBTYPE_INTERNAL_110, "internal subpkt type 110" },
00200 { -1, "Unknown signature subkey type" },
00201 };
00202
00203 struct pgpValTbl_s pgpTagTbl[] = {
00204 { PGPTAG_PUBLIC_SESSION_KEY,"Public-Key Encrypted Session Key" },
00205 { PGPTAG_SIGNATURE, "Signature" },
00206 { PGPTAG_SYMMETRIC_SESSION_KEY,"Symmetric-Key Encrypted Session Key" },
00207 { PGPTAG_ONEPASS_SIGNATURE, "One-Pass Signature" },
00208 { PGPTAG_SECRET_KEY, "Secret Key" },
00209 { PGPTAG_PUBLIC_KEY, "Public Key" },
00210 { PGPTAG_SECRET_SUBKEY, "Secret Subkey" },
00211 { PGPTAG_COMPRESSED_DATA, "Compressed Data" },
00212 { PGPTAG_SYMMETRIC_DATA, "Symmetrically Encrypted Data" },
00213 { PGPTAG_MARKER, "Marker" },
00214 { PGPTAG_LITERAL_DATA, "Literal Data" },
00215 { PGPTAG_TRUST, "Trust" },
00216 { PGPTAG_USER_ID, "User ID" },
00217 { PGPTAG_PUBLIC_SUBKEY, "Public Subkey" },
00218 { PGPTAG_COMMENT_OLD, "Comment (from OpenPGP draft)" },
00219 { PGPTAG_PHOTOID, "PGP's photo ID" },
00220 { PGPTAG_ENCRYPTED_MDC, "Integrity protected encrypted data" },
00221 { PGPTAG_MDC, "Manipulaion detection code packet" },
00222 { PGPTAG_PRIVATE_60, "Private #60" },
00223 { PGPTAG_COMMENT, "Comment" },
00224 { PGPTAG_PRIVATE_62, "Private #62" },
00225 { PGPTAG_CONTROL, "Control (GPG)" },
00226 { -1, "Unknown packet tag" },
00227 };
00228
00229 struct pgpValTbl_s pgpArmorTbl[] = {
00230 { PGPARMOR_MESSAGE, "MESSAGE" },
00231 { PGPARMOR_PUBKEY, "PUBLIC KEY BLOCK" },
00232 { PGPARMOR_SIGNATURE, "SIGNATURE" },
00233 { PGPARMOR_SIGNED_MESSAGE, "SIGNED MESSAGE" },
00234 { PGPARMOR_FILE, "ARMORED FILE" },
00235 { PGPARMOR_PRIVKEY, "PRIVATE KEY BLOCK" },
00236 { PGPARMOR_SECKEY, "SECRET KEY BLOCK" },
00237 { -1, "Unknown armor block" }
00238 };
00239
00240 struct pgpValTbl_s pgpArmorKeyTbl[] = {
00241 { PGPARMORKEY_VERSION, "Version: " },
00242 { PGPARMORKEY_COMMENT, "Comment: " },
00243 { PGPARMORKEY_MESSAGEID, "MessageID: " },
00244 { PGPARMORKEY_HASH, "Hash: " },
00245 { PGPARMORKEY_CHARSET, "Charset: " },
00246 { -1, "Unknown armor key" }
00247 };
00248
00254 static inline void *
00255 _free( const void * p)
00256
00257 {
00258 if (p != NULL) free((void *)p);
00259 return NULL;
00260 }
00261
00262 static void pgpPrtNL(void)
00263
00264
00265 {
00266 if (!_print) return;
00267 fprintf(stderr, "\n");
00268 }
00269
00270 static void pgpPrtInt(const char *pre, int i)
00271
00272
00273 {
00274 if (!_print) return;
00275 if (pre && *pre)
00276 fprintf(stderr, "%s", pre);
00277 fprintf(stderr, " %d", i);
00278 }
00279
00280 static void pgpPrtStr(const char *pre, const char *s)
00281
00282
00283 {
00284 if (!_print) return;
00285 if (pre && *pre)
00286 fprintf(stderr, "%s", pre);
00287 fprintf(stderr, " %s", s);
00288 }
00289
00290 static void pgpPrtHex(const char *pre, const byte *p, unsigned int plen)
00291
00292
00293 {
00294 if (!_print) return;
00295 if (pre && *pre)
00296 fprintf(stderr, "%s", pre);
00297 fprintf(stderr, " %s", pgpHexStr(p, plen));
00298 }
00299
00300 void pgpPrtVal(const char * pre, pgpValTbl vs, byte val)
00301
00302
00303 {
00304 if (!_print) return;
00305 if (pre && *pre)
00306 fprintf(stderr, "%s", pre);
00307 fprintf(stderr, "%s(%u)", pgpValStr(vs, val), (unsigned)val);
00308 }
00309
00312 static
00313 const char * pgpMpiHex(const byte *p)
00314
00315 {
00316 static char prbuf[2048];
00317 char *t = prbuf;
00318 t = pgpHexCvt(t, p+2, pgpMpiLen(p)-2);
00319 return prbuf;
00320 }
00321
00322
00326 static int pgpHexSet(const char * pre, int lbits,
00327 mp32number * mpn, const byte * p, const byte * pend)
00328
00329
00330 {
00331 unsigned int mbits = pgpMpiBits(p);
00332 unsigned int nbits;
00333 unsigned int nbytes;
00334 char * t;
00335 unsigned int ix;
00336
00337 if ((p + ((mbits+7) >> 3)) > pend)
00338 return 1;
00339
00340 nbits = (lbits > mbits ? lbits : mbits);
00341 nbytes = ((nbits + 7) >> 3);
00342 t = xmalloc(2*nbytes+1);
00343 ix = 2 * ((nbits - mbits) >> 3);
00344
00345 if (_debug)
00346 fprintf(stderr, "*** mbits %u nbits %u nbytes %u t %p[%d] ix %u\n", mbits, nbits, nbytes, t, (2*nbytes+1), ix);
00347 if (ix > 0) memset(t, (int)'0', ix);
00348 strcpy(t+ix, pgpMpiHex(p));
00349 if (_debug)
00350 fprintf(stderr, "*** %s %s\n", pre, t);
00351 mp32nsethex(mpn, t);
00352 t = _free(t);
00353 if (_debug && _print)
00354 fprintf(stderr, "\t %s ", pre), mp32println(stderr, mpn->size, mpn->data);
00355 return 0;
00356 }
00357
00358
00359 int pgpPrtSubType(const byte *h, unsigned int hlen, pgpSigType sigtype)
00360 {
00361 const byte *p = h;
00362 unsigned plen;
00363 int i;
00364
00365 while (hlen > 0) {
00366 i = pgpLen(p, &plen);
00367 p += i;
00368 hlen -= i;
00369
00370 pgpPrtVal(" ", pgpSubTypeTbl, p[0]);
00371 switch (*p) {
00372 case PGPSUBTYPE_PREFER_SYMKEY:
00373 for (i = 1; i < plen; i++)
00374 pgpPrtVal(" ", pgpSymkeyTbl, p[i]);
00375 break;
00376 case PGPSUBTYPE_PREFER_HASH:
00377 for (i = 1; i < plen; i++)
00378 pgpPrtVal(" ", pgpHashTbl, p[i]);
00379 break;
00380 case PGPSUBTYPE_PREFER_COMPRESS:
00381 for (i = 1; i < plen; i++)
00382 pgpPrtVal(" ", pgpCompressionTbl, p[i]);
00383 break;
00384 case PGPSUBTYPE_KEYSERVER_PREFERS:
00385 for (i = 1; i < plen; i++)
00386 pgpPrtVal(" ", pgpKeyServerPrefsTbl, p[i]);
00387 break;
00388 case PGPSUBTYPE_SIG_CREATE_TIME:
00389
00390 if (_digp && !(_digp->saved & PGPDIG_SAVED_TIME) &&
00391 sigtype == PGPSIGTYPE_POSITIVE_CERT)
00392 {
00393 _digp->saved |= PGPDIG_SAVED_TIME;
00394 memcpy(_digp->time, p+1, sizeof(_digp->time));
00395 }
00396
00397
00398 case PGPSUBTYPE_SIG_EXPIRE_TIME:
00399 case PGPSUBTYPE_KEY_EXPIRE_TIME:
00400 if ((plen - 1) == 4) {
00401 time_t t = pgpGrab(p+1, plen-1);
00402 if (_print)
00403 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00404 } else
00405 pgpPrtHex("", p+1, plen-1);
00406 break;
00407
00408 case PGPSUBTYPE_ISSUER_KEYID:
00409
00410 if (_digp && !(_digp->saved & PGPDIG_SAVED_ID) &&
00411 sigtype == PGPSIGTYPE_POSITIVE_CERT)
00412 {
00413 _digp->saved |= PGPDIG_SAVED_ID;
00414 memcpy(_digp->signid, p+1, sizeof(_digp->signid));
00415 }
00416
00417
00418 case PGPSUBTYPE_EXPORTABLE_CERT:
00419 case PGPSUBTYPE_TRUST_SIG:
00420 case PGPSUBTYPE_REGEX:
00421 case PGPSUBTYPE_REVOCABLE:
00422 case PGPSUBTYPE_BACKWARD_COMPAT:
00423 case PGPSUBTYPE_REVOKE_KEY:
00424 case PGPSUBTYPE_NOTATION:
00425 case PGPSUBTYPE_PREFER_KEYSERVER:
00426 case PGPSUBTYPE_PRIMARY_USERID:
00427 case PGPSUBTYPE_POLICY_URL:
00428 case PGPSUBTYPE_KEY_FLAGS:
00429 case PGPSUBTYPE_SIGNER_USERID:
00430 case PGPSUBTYPE_REVOKE_REASON:
00431 case PGPSUBTYPE_INTERNAL_100:
00432 case PGPSUBTYPE_INTERNAL_101:
00433 case PGPSUBTYPE_INTERNAL_102:
00434 case PGPSUBTYPE_INTERNAL_103:
00435 case PGPSUBTYPE_INTERNAL_104:
00436 case PGPSUBTYPE_INTERNAL_105:
00437 case PGPSUBTYPE_INTERNAL_106:
00438 case PGPSUBTYPE_INTERNAL_107:
00439 case PGPSUBTYPE_INTERNAL_108:
00440 case PGPSUBTYPE_INTERNAL_109:
00441 case PGPSUBTYPE_INTERNAL_110:
00442 default:
00443 pgpPrtHex("", p+1, plen-1);
00444 break;
00445 }
00446 pgpPrtNL();
00447 p += plen;
00448 hlen -= plen;
00449 }
00450 return 0;
00451 }
00452
00453
00454
00455 static const char * pgpSigRSA[] = {
00456 " m**d =",
00457 NULL,
00458 };
00459
00460
00461 static const char * pgpSigDSA[] = {
00462 " r =",
00463 " s =",
00464 NULL,
00465 };
00466
00467
00468 static int pgpPrtSigParams( pgpTag tag, byte pubkey_algo, byte sigtype,
00469 const byte *p, const byte *h, unsigned int hlen)
00470
00471
00472 {
00473 const byte * pend = h + hlen;
00474 int i;
00475
00476 for (i = 0; p < pend; i++, p += pgpMpiLen(p)) {
00477 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00478 if (i >= 1) break;
00479
00480 if (_dig &&
00481 (sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT))
00482 {
00483 switch (i) {
00484 case 0:
00485 mp32nsethex(&_dig->c, pgpMpiHex(p));
00486 if (_debug && _print)
00487 fprintf(stderr, "\t m**d = "), mp32println(stderr, _dig->c.size, _dig->c.data);
00488 break;
00489 default:
00490 break;
00491 }
00492 }
00493
00494 pgpPrtStr("", pgpSigRSA[i]);
00495 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00496 if (i >= 2) break;
00497
00498 if (_dig &&
00499 (sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT))
00500 {
00501 int xx;
00502 xx = 0;
00503 switch (i) {
00504 case 0:
00505 xx = pgpHexSet(pgpSigDSA[i], 160, &_dig->r, p, pend);
00506 break;
00507 case 1:
00508 xx = pgpHexSet(pgpSigDSA[i], 160, &_dig->s, p, pend);
00509 break;
00510 default:
00511 xx = 1;
00512 break;
00513 }
00514 if (xx) return xx;
00515 }
00516
00517 pgpPrtStr("", pgpSigDSA[i]);
00518 } else {
00519 if (_print)
00520 fprintf(stderr, "%7d", i);
00521 }
00522 pgpPrtStr("", pgpMpiStr(p));
00523 pgpPrtNL();
00524 }
00525
00526 return 0;
00527 }
00528
00529 int pgpPrtSig(pgpTag tag, const byte *h, unsigned int hlen)
00530 {
00531 byte version = h[0];
00532 byte * p;
00533 unsigned plen;
00534 int rc;
00535
00536 switch (version) {
00537 case 3:
00538 { pgpPktSigV3 v = (pgpPktSigV3)h;
00539 time_t t;
00540
00541 if (v->hashlen != 5)
00542 return 1;
00543
00544 pgpPrtVal("V3 ", pgpTagTbl, tag);
00545 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00546 pgpPrtVal(" ", pgpHashTbl, v->hash_algo);
00547 pgpPrtVal(" ", pgpSigTypeTbl, v->sigtype);
00548 pgpPrtNL();
00549 t = pgpGrab(v->time, sizeof(v->time));
00550 if (_print)
00551 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00552 pgpPrtNL();
00553 pgpPrtHex(" signer keyid", v->signid, sizeof(v->signid));
00554 plen = pgpGrab(v->signhash16, sizeof(v->signhash16));
00555 pgpPrtHex(" signhash16", v->signhash16, sizeof(v->signhash16));
00556 pgpPrtNL();
00557
00558
00559 if (_digp && _digp->pubkey_algo == 0) {
00560 _digp->version = v->version;
00561 _digp->hashlen = v->hashlen;
00562 _digp->sigtype = v->sigtype;
00563 _digp->hash = memcpy(xmalloc(v->hashlen), &v->sigtype, v->hashlen);
00564 memcpy(_digp->time, v->time, sizeof(_digp->time));
00565 memcpy(_digp->signid, v->signid, sizeof(_digp->signid));
00566 _digp->pubkey_algo = v->pubkey_algo;
00567 _digp->hash_algo = v->hash_algo;
00568 memcpy(_digp->signhash16, v->signhash16, sizeof(_digp->signhash16));
00569 }
00570
00571
00572 p = ((byte *)v) + sizeof(*v);
00573 rc = pgpPrtSigParams(tag, v->pubkey_algo, v->sigtype, p, h, hlen);
00574 } break;
00575 case 4:
00576 { pgpPktSigV4 v = (pgpPktSigV4)h;
00577
00578 pgpPrtVal("V4 ", pgpTagTbl, tag);
00579 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00580 pgpPrtVal(" ", pgpHashTbl, v->hash_algo);
00581 pgpPrtVal(" ", pgpSigTypeTbl, v->sigtype);
00582 pgpPrtNL();
00583
00584 p = &v->hashlen[0];
00585 plen = pgpGrab(v->hashlen, sizeof(v->hashlen));
00586 p += sizeof(v->hashlen);
00587
00588 if ((p + plen) > (h + hlen))
00589 return 1;
00590
00591 if (_debug && _print)
00592 fprintf(stderr, " hash[%u] -- %s\n", plen, pgpHexStr(p, plen));
00593
00594 if (_digp && _digp->pubkey_algo == 0) {
00595 _digp->hashlen = sizeof(*v) + plen;
00596 _digp->hash = memcpy(xmalloc(_digp->hashlen), v, _digp->hashlen);
00597 }
00598
00599 (void) pgpPrtSubType(p, plen, v->sigtype);
00600 p += plen;
00601
00602 plen = pgpGrab(p,2);
00603 p += 2;
00604
00605 if ((p + plen) > (h + hlen))
00606 return 1;
00607
00608 if (_debug && _print)
00609 fprintf(stderr, " unhash[%u] -- %s\n", plen, pgpHexStr(p, plen));
00610 (void) pgpPrtSubType(p, plen, v->sigtype);
00611 p += plen;
00612
00613 plen = pgpGrab(p,2);
00614 pgpPrtHex(" signhash16", p, 2);
00615 pgpPrtNL();
00616
00617
00618 if (_digp && _digp->pubkey_algo == 0) {
00619 _digp->version = v->version;
00620 _digp->sigtype = v->sigtype;
00621 _digp->pubkey_algo = v->pubkey_algo;
00622 _digp->hash_algo = v->hash_algo;
00623 memcpy(_digp->signhash16, p, sizeof(_digp->signhash16));
00624 }
00625
00626
00627 p += 2;
00628
00629 rc = pgpPrtSigParams(tag, v->pubkey_algo, v->sigtype, p, h, hlen);
00630 } break;
00631 default:
00632 rc = 1;
00633 break;
00634 }
00635 return rc;
00636 }
00637
00638
00639
00640 static const char * pgpPublicRSA[] = {
00641 " n =",
00642 " e =",
00643 NULL,
00644 };
00645
00646
00647 static const char * pgpSecretRSA[] = {
00648 " d =",
00649 " p =",
00650 " q =",
00651 " u =",
00652 NULL,
00653 };
00654
00655
00656 static const char * pgpPublicDSA[] = {
00657 " p =",
00658 " q =",
00659 " g =",
00660 " y =",
00661 NULL,
00662 };
00663
00664
00665 static const char * pgpSecretDSA[] = {
00666 " x =",
00667 NULL,
00668 };
00669
00670
00671 static const char * pgpPublicELGAMAL[] = {
00672 " p =",
00673 " g =",
00674 " y =",
00675 NULL,
00676 };
00677
00678
00679 static const char * pgpSecretELGAMAL[] = {
00680 " x =",
00681 NULL,
00682 };
00683
00684
00685 static const byte * pgpPrtPubkeyParams(byte pubkey_algo,
00686 const byte *p, const byte *h, unsigned int hlen)
00687
00688
00689 {
00690 int i;
00691
00692 for (i = 0; p < &h[hlen]; i++, p += pgpMpiLen(p)) {
00693 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00694 if (i >= 2) break;
00695
00696 if (_dig) {
00697 switch (i) {
00698 case 0:
00699 mp32bsethex(&_dig->rsa_pk.n, pgpMpiHex(p));
00700
00701 if (_digp) {
00702 uint32* np = _dig->rsa_pk.n.modl;
00703 uint32 nsize = _dig->rsa_pk.n.size;
00704 uint32 keyid[2];
00705 #if WORDS_BIGENDIAN
00706 keyid[0] = np[nsize-2];
00707 keyid[1] = np[nsize-1];
00708 #else
00709 keyid[0] = swapu32(np[nsize-2]);
00710 keyid[1] = swapu32(np[nsize-1]);
00711 #endif
00712 memcpy(_digp->signid, keyid, sizeof(_digp->signid));
00713 }
00714 if (_debug && _print)
00715 fprintf(stderr, "\t n = "), mp32println(stderr, _dig->rsa_pk.n.size, _dig->rsa_pk.n.modl);
00716 break;
00717 case 1:
00718 mp32nsethex(&_dig->rsa_pk.e, pgpMpiHex(p));
00719 if (_debug && _print)
00720 fprintf(stderr, "\t e = "), mp32println(stderr, _dig->rsa_pk.e.size, _dig->rsa_pk.e.data);
00721 break;
00722 default:
00723 break;
00724 }
00725 }
00726
00727 pgpPrtStr("", pgpPublicRSA[i]);
00728 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00729 if (i >= 4) break;
00730
00731 if (_dig) {
00732 switch (i) {
00733 case 0:
00734 mp32bsethex(&_dig->p, pgpMpiHex(p));
00735 if (_debug && _print)
00736 fprintf(stderr, "\t p = "), mp32println(stderr, _dig->p.size, _dig->p.modl);
00737 break;
00738 case 1:
00739 mp32bsethex(&_dig->q, pgpMpiHex(p));
00740 if (_debug && _print)
00741 fprintf(stderr, "\t q = "), mp32println(stderr, _dig->q.size, _dig->q.modl);
00742 break;
00743 case 2:
00744 mp32nsethex(&_dig->g, pgpMpiHex(p));
00745 if (_debug && _print)
00746 fprintf(stderr, "\t g = "), mp32println(stderr, _dig->g.size, _dig->g.data);
00747 break;
00748 case 3:
00749 mp32nsethex(&_dig->y, pgpMpiHex(p));
00750 if (_debug && _print)
00751 fprintf(stderr, "\t y = "), mp32println(stderr, _dig->y.size, _dig->y.data);
00752 break;
00753 default:
00754 break;
00755 }
00756 }
00757
00758 pgpPrtStr("", pgpPublicDSA[i]);
00759 } else if (pubkey_algo == PGPPUBKEYALGO_ELGAMAL_ENCRYPT) {
00760 if (i >= 3) break;
00761 pgpPrtStr("", pgpPublicELGAMAL[i]);
00762 } else {
00763 if (_print)
00764 fprintf(stderr, "%7d", i);
00765 }
00766
00767 pgpPrtStr("", pgpMpiStr(p));
00768 pgpPrtNL();
00769 }
00770
00771 return p;
00772 }
00773
00774 static const byte * pgpPrtSeckeyParams( byte pubkey_algo,
00775 const byte *p, const byte *h, unsigned int hlen)
00776
00777
00778 {
00779 int i;
00780
00781 switch (*p) {
00782 case 0:
00783 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00784 break;
00785 case 255:
00786 p++;
00787 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00788 switch (p[1]) {
00789 case 0x00:
00790 pgpPrtVal(" simple ", pgpHashTbl, p[2]);
00791 p += 2;
00792 break;
00793 case 0x01:
00794 pgpPrtVal(" salted ", pgpHashTbl, p[2]);
00795 pgpPrtHex("", p+3, 8);
00796 p += 10;
00797 break;
00798 case 0x03:
00799 pgpPrtVal(" iterated/salted ", pgpHashTbl, p[2]);
00800
00801 i = (16 + (p[11] & 0xf)) << ((p[11] >> 4) + 6);
00802
00803 pgpPrtHex("", p+3, 8);
00804 pgpPrtInt(" iter", i);
00805 p += 11;
00806 break;
00807 }
00808 break;
00809 default:
00810 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00811 pgpPrtHex(" IV", p+1, 8);
00812 p += 8;
00813 break;
00814 }
00815 pgpPrtNL();
00816
00817 p++;
00818
00819 #ifdef NOTYET
00820 for (i = 0; p < &h[hlen]; i++, p += pgpMpiLen(p)) {
00821 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00822 if (pgpSecretRSA[i] == NULL) break;
00823 pgpPrtStr("", pgpSecretRSA[i]);
00824 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00825 if (pgpSecretDSA[i] == NULL) break;
00826 pgpPrtStr("", pgpSecretDSA[i]);
00827 } else if (pubkey_algo == PGPPUBKEYALGO_ELGAMAL_ENCRYPT) {
00828 if (pgpSecretELGAMAL[i] == NULL) break;
00829 pgpPrtStr("", pgpSecretELGAMAL[i]);
00830 } else {
00831 if (_print)
00832 fprintf(stderr, "%7d", i);
00833 }
00834 pgpPrtStr("", pgpMpiStr(p));
00835 pgpPrtNL();
00836 }
00837 #else
00838 pgpPrtHex(" secret", p, (hlen - (p - h) - 2));
00839 pgpPrtNL();
00840 p += (hlen - (p - h) - 2);
00841 #endif
00842 pgpPrtHex(" checksum", p, 2);
00843 pgpPrtNL();
00844
00845 return p;
00846 }
00847
00848 int pgpPrtKey(pgpTag tag, const byte *h, unsigned int hlen)
00849 {
00850 byte version = *h;
00851 const byte * p;
00852 unsigned plen;
00853 time_t t;
00854 int rc;
00855
00856 switch (version) {
00857 case 3:
00858 { pgpPktKeyV3 v = (pgpPktKeyV3)h;
00859 pgpPrtVal("V3 ", pgpTagTbl, tag);
00860 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00861 t = pgpGrab(v->time, sizeof(v->time));
00862 if (_print)
00863 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00864 plen = pgpGrab(v->valid, sizeof(v->valid));
00865 if (plen != 0)
00866 fprintf(stderr, " valid %u days", plen);
00867 pgpPrtNL();
00868
00869
00870 if (_digp && _digp->tag == tag) {
00871 _digp->version = v->version;
00872 memcpy(_digp->time, v->time, sizeof(_digp->time));
00873 _digp->pubkey_algo = v->pubkey_algo;
00874 }
00875
00876
00877 p = ((byte *)v) + sizeof(*v);
00878 p = pgpPrtPubkeyParams(v->pubkey_algo, p, h, hlen);
00879 rc = 0;
00880 } break;
00881 case 4:
00882 { pgpPktKeyV4 v = (pgpPktKeyV4)h;
00883 pgpPrtVal("V4 ", pgpTagTbl, tag);
00884 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00885 t = pgpGrab(v->time, sizeof(v->time));
00886 if (_print)
00887 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00888 pgpPrtNL();
00889
00890
00891 if (_digp && _digp->tag == tag) {
00892 _digp->version = v->version;
00893 memcpy(_digp->time, v->time, sizeof(_digp->time));
00894 _digp->pubkey_algo = v->pubkey_algo;
00895 }
00896
00897
00898 p = ((byte *)v) + sizeof(*v);
00899 p = pgpPrtPubkeyParams(v->pubkey_algo, p, h, hlen);
00900 if (!(tag == PGPTAG_PUBLIC_KEY || tag == PGPTAG_PUBLIC_SUBKEY))
00901 p = pgpPrtSeckeyParams(v->pubkey_algo, p, h, hlen);
00902 rc = 0;
00903 } break;
00904 default:
00905 rc = 1;
00906 break;
00907 }
00908 return rc;
00909 }
00910
00911
00912 int pgpPrtUserID(pgpTag tag, const byte *h, unsigned int hlen)
00913 {
00914 pgpPrtVal("", pgpTagTbl, tag);
00915 if (_print)
00916 fprintf(stderr, " \"%.*s\"", (int)hlen, (const char *)h);
00917 pgpPrtNL();
00918
00919 if (_digp) {
00920 char * t;
00921 _digp->userid = t = memcpy(xmalloc(hlen+1), h, hlen);
00922 t[hlen] = '\0';
00923 }
00924
00925 return 0;
00926 }
00927
00928
00929 int pgpPrtComment(pgpTag tag, const byte *h, unsigned int hlen)
00930 {
00931 int i = hlen;
00932
00933 pgpPrtVal("", pgpTagTbl, tag);
00934 if (_print)
00935 fprintf(stderr, " ");
00936 while (i > 0) {
00937 int j;
00938 if (*h >= ' ' && *h <= 'z') {
00939 if (_print)
00940 fprintf(stderr, "%s", (const char *)h);
00941 j = strlen(h);
00942 while (h[j] == '\0')
00943 j++;
00944 } else {
00945 pgpPrtHex("", h, i);
00946 j = i;
00947 }
00948 i -= j;
00949 h += j;
00950 }
00951 pgpPrtNL();
00952 return 0;
00953 }
00954
00955 int pgpPrtPkt(const byte *pkt, unsigned int pleft)
00956 {
00957 unsigned int val = *pkt;
00958 unsigned int pktlen;
00959 pgpTag tag;
00960 unsigned int plen;
00961 const byte *h;
00962 unsigned int hlen = 0;
00963 int rc = 0;
00964
00965
00966 if (!(val & 0x80))
00967 return -1;
00968
00969 if (val & 0x40) {
00970 tag = (val & 0x3f);
00971 plen = pgpLen(pkt+1, &hlen);
00972 } else {
00973 tag = (val >> 2) & 0xf;
00974 plen = (1 << (val & 0x3));
00975 hlen = pgpGrab(pkt+1, plen);
00976 }
00977
00978 pktlen = 1 + plen + hlen;
00979 if (pktlen > pleft)
00980 return -1;
00981
00982 h = pkt + 1 + plen;
00983 switch (tag) {
00984 case PGPTAG_SIGNATURE:
00985 rc = pgpPrtSig(tag, h, hlen);
00986 break;
00987 case PGPTAG_PUBLIC_KEY:
00988 case PGPTAG_PUBLIC_SUBKEY:
00989 rc = pgpPrtKey(tag, h, hlen);
00990 break;
00991 case PGPTAG_SECRET_KEY:
00992 case PGPTAG_SECRET_SUBKEY:
00993 rc = pgpPrtKey(tag, h, hlen);
00994 break;
00995 case PGPTAG_USER_ID:
00996 rc = pgpPrtUserID(tag, h, hlen);
00997 break;
00998 case PGPTAG_COMMENT:
00999 case PGPTAG_COMMENT_OLD:
01000 rc = pgpPrtComment(tag, h, hlen);
01001 break;
01002
01003 case PGPTAG_RESERVED:
01004 case PGPTAG_PUBLIC_SESSION_KEY:
01005 case PGPTAG_SYMMETRIC_SESSION_KEY:
01006 case PGPTAG_COMPRESSED_DATA:
01007 case PGPTAG_SYMMETRIC_DATA:
01008 case PGPTAG_MARKER:
01009 case PGPTAG_LITERAL_DATA:
01010 case PGPTAG_TRUST:
01011 case PGPTAG_PHOTOID:
01012 case PGPTAG_ENCRYPTED_MDC:
01013 case PGPTAG_MDC:
01014 case PGPTAG_PRIVATE_60:
01015 case PGPTAG_PRIVATE_62:
01016 case PGPTAG_CONTROL:
01017 default:
01018 pgpPrtVal("", pgpTagTbl, tag);
01019 pgpPrtHex("", h, hlen);
01020 pgpPrtNL();
01021 break;
01022 }
01023
01024 return (rc ? -1 : pktlen);
01025 }
01026
01027 pgpDig pgpNewDig(void)
01028 {
01029 pgpDig dig = xcalloc(1, sizeof(*dig));
01030 return dig;
01031 }
01032
01033
01034 void pgpCleanDig(pgpDig dig)
01035 {
01036 if (dig != NULL) {
01037 int i;
01038 dig->signature.userid = _free(dig->signature.userid);
01039 dig->pubkey.userid = _free(dig->pubkey.userid);
01040 dig->signature.hash = _free(dig->signature.hash);
01041 dig->pubkey.hash = _free(dig->pubkey.hash);
01042
01043 for (i = 0; i < 4; i++) {
01044 dig->signature.params[i] = _free(dig->signature.params[i]);
01045 dig->pubkey.params[i] = _free(dig->pubkey.params[i]);
01046 }
01047
01048
01049 memset(&dig->signature, 0, sizeof(dig->signature));
01050 memset(&dig->pubkey, 0, sizeof(dig->pubkey));
01051
01052 dig->md5 = _free(dig->md5);
01053 dig->sha1 = _free(dig->sha1);
01054 mp32nfree(&dig->hm);
01055 mp32nfree(&dig->r);
01056 mp32nfree(&dig->s);
01057
01058 (void) rsapkFree(&dig->rsa_pk);
01059 mp32nfree(&dig->m);
01060 mp32nfree(&dig->c);
01061 mp32nfree(&dig->rsahm);
01062 }
01063
01064 return;
01065
01066 }
01067
01068
01069 pgpDig pgpFreeDig( pgpDig dig)
01070
01071 {
01072 if (dig != NULL) {
01073
01074
01075 pgpCleanDig(dig);
01076
01077
01078 if (dig->hdrsha1ctx != NULL)
01079 (void) rpmDigestFinal(dig->hdrsha1ctx, NULL, NULL, 0);
01080
01081 dig->hdrsha1ctx = NULL;
01082
01083
01084 if (dig->sha1ctx != NULL)
01085 (void) rpmDigestFinal(dig->sha1ctx, NULL, NULL, 0);
01086
01087 dig->sha1ctx = NULL;
01088
01089 mp32bfree(&dig->p);
01090 mp32bfree(&dig->q);
01091 mp32nfree(&dig->g);
01092 mp32nfree(&dig->y);
01093 mp32nfree(&dig->hm);
01094 mp32nfree(&dig->r);
01095 mp32nfree(&dig->s);
01096
01097 #ifdef NOTYET
01098
01099 if (dig->hdrmd5ctx != NULL)
01100 (void) rpmDigestFinal(dig->hdrmd5ctx, NULL, NULL, 0);
01101
01102 dig->hdrmd5ctx = NULL;
01103 #endif
01104
01105
01106 if (dig->md5ctx != NULL)
01107 (void) rpmDigestFinal(dig->md5ctx, NULL, NULL, 0);
01108
01109 dig->md5ctx = NULL;
01110
01111 mp32bfree(&dig->rsa_pk.n);
01112 mp32nfree(&dig->rsa_pk.e);
01113 mp32nfree(&dig->m);
01114 mp32nfree(&dig->c);
01115 mp32nfree(&dig->hm);
01116
01117 dig = _free(dig);
01118 }
01119 return dig;
01120 }
01121
01122 int pgpPrtPkts(const byte * pkts, unsigned int pktlen, pgpDig dig, int printing)
01123 {
01124 unsigned int val = *pkts;
01125 const byte *p;
01126 unsigned int pleft;
01127 int len;
01128
01129
01130 _print = printing;
01131 _dig = dig;
01132 if (dig != NULL && (val & 0x80)) {
01133 pgpTag tag = (val & 0x40) ? (val & 0x3f) : ((val >> 2) & 0xf);
01134 _digp = (tag == PGPTAG_SIGNATURE) ? &_dig->signature : &_dig->pubkey;
01135 _digp->tag = tag;
01136 } else
01137 _digp = NULL;
01138
01139
01140 for (p = pkts, pleft = pktlen; p < (pkts + pktlen); p += len, pleft -= len) {
01141 len = pgpPrtPkt(p, pleft);
01142 if (len <= 0)
01143 return len;
01144 if (len > pleft)
01145 break;
01146 }
01147 return 0;
01148 }
01149
01150
01151 pgpArmor pgpReadPkts(const char * fn, const byte ** pkt, size_t * pktlen)
01152 {
01153 const byte * b = NULL;
01154 ssize_t blen;
01155 const char * enc = NULL;
01156 const char * crcenc = NULL;
01157 byte * dec;
01158 byte * crcdec;
01159 size_t declen;
01160 size_t crclen;
01161 uint32 crcpkt, crc;
01162 const char * armortype = NULL;
01163 char * t, * te;
01164 int pstate = 0;
01165 pgpArmor ec = PGPARMOR_ERROR;
01166 int rc;
01167
01168 rc = rpmioSlurp(fn, &b, &blen);
01169 if (rc || b == NULL || blen <= 0) {
01170 goto exit;
01171 }
01172
01173 if (pgpIsPkt(b)) {
01174 #ifdef NOTYET
01175 ec = 0;
01176 #endif
01177 goto exit;
01178 }
01179
01180 #define TOKEQ(_s, _tok) (!strncmp((_s), (_tok), sizeof(_tok)-1))
01181
01182 for (t = (char *)b; t && *t; t = te) {
01183 if ((te = strchr(t, '\n')) == NULL)
01184 te = t + strlen(t);
01185 else
01186 te++;
01187
01188 switch (pstate) {
01189 case 0:
01190 armortype = NULL;
01191 if (!TOKEQ(t, "-----BEGIN PGP "))
01192 continue;
01193 t += sizeof("-----BEGIN PGP ")-1;
01194
01195 rc = pgpValTok(pgpArmorTbl, t, te);
01196 if (rc < 0)
01197 goto exit;
01198 if (rc != PGPARMOR_PUBKEY)
01199 continue;
01200 armortype = t;
01201
01202 t = te - (sizeof("-----\n")-1);
01203 if (!TOKEQ(t, "-----\n"))
01204 continue;
01205 *t = '\0';
01206 pstate++;
01207 break;
01208 case 1:
01209 enc = NULL;
01210 rc = pgpValTok(pgpArmorKeyTbl, t, te);
01211 if (rc >= 0)
01212 continue;
01213 if (*t != '\n') {
01214 pstate = 0;
01215 continue;
01216 }
01217 enc = te;
01218 pstate++;
01219 break;
01220 case 2:
01221 crcenc = NULL;
01222 if (*t != '=')
01223 continue;
01224 *t++ = '\0';
01225 crcenc = t;
01226 pstate++;
01227 break;
01228 case 3:
01229 pstate = 0;
01230 if (!TOKEQ(t, "-----END PGP "))
01231 goto exit;
01232 *t = '\0';
01233 t += sizeof("-----END PGP ")-1;
01234
01235 if (armortype == NULL)
01236 continue;
01237 rc = strncmp(t, armortype, strlen(armortype));
01238 if (rc)
01239 continue;
01240
01241 t = te - (sizeof("-----\n")-1);
01242 if (!TOKEQ(t, "-----\n"))
01243 goto exit;
01244
01245 if (b64decode(crcenc, (void **)&crcdec, &crclen) != 0)
01246 continue;
01247 crcpkt = pgpGrab(crcdec, crclen);
01248 crcdec = _free(crcdec);
01249 if (b64decode(enc, (void **)&dec, &declen) != 0)
01250 goto exit;
01251 crc = pgpCRC(dec, declen);
01252 if (crcpkt != crc)
01253 goto exit;
01254 b = _free(b);
01255 b = dec;
01256 blen = declen;
01257 ec = PGPARMOR_PUBKEY;
01258 goto exit;
01259 break;
01260 }
01261 }
01262 ec = PGPARMOR_NONE;
01263
01264 exit:
01265 if (ec > PGPARMOR_NONE && pkt)
01266 *pkt = b;
01267 else if (b != NULL)
01268 b = _free(b);
01269 if (pktlen)
01270 *pktlen = blen;
01271 return ec;
01272 }
01273
01274