00001
00007 #include "system.h"
00008 #include "rpmio_internal.h"
00009 #include "debug.h"
00010
00011
00012
00013
00014
00015
00016 static int _debug = 0;
00017
00018
00019 static int _print = 0;
00020
00021
00022 static pgpDig _dig = NULL;
00023
00024
00025 static pgpDigParams _digp = NULL;
00026
00027 #ifdef DYING
00028
00029 const char * redhatPubKeyDSA = "\
00030 mQGiBDfqVDgRBADBKr3Bl6PO8BQ0H8sJoD6p9U7Yyl7pjtZqioviPwXP+DCWd4u8\n\
00031 HQzcxAZ57m8ssA1LK1Fx93coJhDzM130+p5BG9mYSWShLabR3N1KXdXQYYcowTOM\n\
00032 GxdwYRGr1Spw8QydLhjVfU1VSl4xt6bupPbWJbyjkg5Z3P7BlUOUJmrx3wCgobNV\n\
00033 EDGaWYJcch5z5B1of/41G8kEAKii6q7Gu/vhXXnLS6m15oNnPVybyngiw/23dKjS\n\
00034 ZVG7rKANEK2mxg1VB+vc/uUc4k49UxJJfCZg1gu1sPFV3GSa+Y/7jsiLktQvCiLP\n\
00035 lncQt1dV+ENmHR5BdIDPWDzKBVbgWnSDnqQ6KrZ7T6AlZ74VMpjGxxkWU6vV2xsW\n\
00036 XCLPA/9P/vtImA8CZN3jxGgtK5GGtDNJ/cMhhuv5tnfwFg4b/VGo2Jr8mhLUqoIb\n\
00037 E6zeGAmZbUpdckDco8D5fiFmqTf5+++pCEpJLJkkzel/32N2w4qzPrcRMCiBURES\n\
00038 PjCLd4Y5rPoU8E4kOHc/4BuHN903tiCsCPloCrWsQZ7UdxfQ5LQiUmVkIEhhdCwg\n\
00039 SW5jIDxzZWN1cml0eUByZWRoYXQuY29tPohVBBMRAgAVBQI36lQ4AwsKAwMVAwID\n\
00040 FgIBAheAAAoJECGRgM3bQqYOsBQAnRVtg7B25Hm11PHcpa8FpeddKiq2AJ9aO8sB\n\
00041 XmLDmPOEFI75mpTrKYHF6rkCDQQ36lRyEAgAokgI2xJ+3bZsk8jRA8ORIX8DH05U\n\
00042 lMH27qFYzLbT6npXwXYIOtVn0K2/iMDj+oEB1Aa2au4OnddYaLWp06v3d+XyS0t+\n\
00043 5ab2ZfIQzdh7wCwxqRkzR+/H5TLYbMG+hvtTdylfqIX0WEfoOXMtWEGSVwyUsnM3\n\
00044 Jy3LOi48rQQSCKtCAUdV20FoIGWhwnb/gHU1BnmES6UdQujFBE6EANqPhp0coYoI\n\
00045 hHJ2oIO8ujQItvvNaU88j/s/izQv5e7MXOgVSjKe/WX3s2JtB/tW7utpy12wh1J+\n\
00046 JsFdbLV/t8CozUTpJgx5mVA3RKlxjTA+On+1IEUWioB+iVfT7Ov/0kcAzwADBQf9\n\
00047 E4SKCWRand8K0XloMYgmipxMhJNnWDMLkokvbMNTUoNpSfRoQJ9EheXDxwMpTPwK\n\
00048 ti/PYrrL2J11P2ed0x7zm8v3gLrY0cue1iSba+8glY+p31ZPOr5ogaJw7ZARgoS8\n\
00049 BwjyRymXQp+8Dete0TELKOL2/itDOPGHW07SsVWOR6cmX4VlRRcWB5KejaNvdrE5\n\
00050 4XFtOd04NMgWI63uqZc4zkRa+kwEZtmbz3tHSdRCCE+Y7YVP6IUf/w6YPQFQriWY\n\
00051 FiA6fD10eB+BlIUqIw80VgjsBKmCwvKkn4jg8kibXgj4/TzQSx77uYokw1EqQ2wk\n\
00052 OZoaEtcubsNMquuLCMWijYhGBBgRAgAGBQI36lRyAAoJECGRgM3bQqYOhyYAnj7h\n\
00053 VDY/FJAGqmtZpwVp9IlitW5tAJ4xQApr/jNFZCTksnI+4O1765F7tA==\n\
00054 ";
00055
00056
00057 const char * redhatPubKeyRSA = "\
00058 mQCNAzEpXjUAAAEEAKG4/V9oUSiDc9wIge6Bmg6erDGCLzmFyioAho8kDIJSrcmi\n\
00059 F9qTdPq+fj726pgW1iSb0Y7syZn9Y2lgQm5HkPODfNi8eWyTFSxbr8ygosLRClTP\n\
00060 xqHVhtInGrfZNLoSpv1LdWOme0yOpOQJnghdOMzKXpgf5g84vaUg6PHLopv5AAUR\n\
00061 tCpSZWQgSGF0IFNvZnR3YXJlLCBJbmMuIDxyZWRoYXRAcmVkaGF0LmNvbT6JAJUD\n\
00062 BRAyA5tUoyDApfg4JKEBAUzSA/9QdcVsu955vVyZDk8uvOXWV0X3voT9B3aYMFvj\n\
00063 UNHUD6F1VFruwQHVKbGJEq1o5MOA6OXKR3vJZStXEMF47TWXJfQaflgl8ywZTH5W\n\
00064 +eMlKau6Nr0labUV3lmsAE4Vsgu8NCkzIrp2wNVbeW2ZAXtrKswV+refLquUhp7l\n\
00065 wMpH9IkAdQMFEDGttkRNdXhbO1TgGQEBAGoC/j6C22PqXIyqZc6fG6J6Jl/T5kFG\n\
00066 xH1pKIzua5WCDDugAgnuOJgywa4pegT4UqwEZiMTAlwT6dmG1CXgKB+5V7lnCjDc\n\
00067 JZLni0iztoe08ig6fJrjNGXljf7KYXzgwBftQokAlQMFEDMQzo2MRVM9rfPulQEB\n\
00068 pLoD/1/MWv3u0Paiu14XRvDrBaJ7BmG2/48bA5vKOzpvvoNRO95YS7ZEtqErXA7Y\n\
00069 DRO8+C8f6PAILMk7kCk4lNMscS/ZRzu5+J8cv4ejsFvxgJBBU3Zgp8AWdWOpvZ0I\n\
00070 wW//HoDUGhOxlEtymljIMFBkj4SysHWhCBUfA9Xy86kouTJQiQCVAwUQMxDOQ50a\n\
00071 feTWLUSJAQFnYQQAkt9nhMTeioREB1DvJt+vsFyOj//o3ThqK5ySEP3dgj62iaQp\n\
00072 JrBmAe5XZPw25C/TXAf+x27H8h2QbKgq49VtsElFexc6wO+uq85fAPDdyE+2XyNE\n\
00073 njGZkY/TP2F/jTB0sAwJO+xFCHmSYkcBjzxK/2LMD+O7rwp2UCUhhl9QhhqJAJUD\n\
00074 BRAx5na6pSDo8cuim/kBARmjA/4lDVnV2h9KiNabp9oE38wmGgu5m5XgUHW8L6du\n\
00075 iQDnwO5IgXN2vDpKGxbgtwv6iYYmGd8IRQ66uJvOsxSv3OR7J7LkCHuI2b/s0AZn\n\
00076 c79DZaJ2ChUCZlbNQBMeEdrFWif9NopY+d5+2tby1onu9XOFMMvomxL3NhctElYR\n\
00077 HC8Xw4kAlQMFEDHmdTtURTdEKY1MpQEBEtEEAMZbp1ZFrjiHkj2aLFC1S8dGRbSH\n\
00078 GUdnLP9qLPFgmWekp9E0o8ZztALGVdqPfPF3N/JJ+AL4IMrfojd7+eZKw36Mdvtg\n\
00079 dPI+Oz4sxHDbDynZ2qspD9Om5yYuxuz/Xq+9nO2IlsAnEYw3ag3cxat0kvxpOPRe\n\
00080 Yy+vFpgfDNizr3MgiQBVAwUQMXNMXCjtrosVMemRAQEDnwH7BsJrnnh91nI54LAK\n\
00081 Gcq3pr8ld0PAtWJmNRGQvUlpEMXUSnu59j2P1ogPNjL3PqKdVxk5Jqgcr8TPQMf3\n\
00082 V4fqXokAlQMFEDFy+8YiEmsRQ3LyzQEB+TwD/03QDslXLg5F3zj4zf0yI6ikT0be\n\
00083 5OhZv2pnkb80qgdHzFRxBOYmSoueRKdQJASd8F9ue4b3bmf/Y7ikiY0DblvxcXB2\n\
00084 sz1Pu8i2Zn9u8SKuxNIoVvM8/STRVkgPfvL5QjAWMHT9Wvg81XcI2yXJzrt/2f2g\n\
00085 mNpWIvVOOT85rVPIiQCVAwUQMVPRlBlzviMjNHElAQG1nwP/fpVX6nKRWJCSFeB7\n\
00086 leZ4lb+y1uMsMVv0n7agjJVw13SXaA267y7VWCBlnhsCemxEugqEIkI4lu/1mgtw\n\
00087 WPWSE0BOIVjj0AA8zp2T0H3ZCCMbiFAFJ1P2Gq2rKr8QrOb/08oH1lEzyz0j/jKh\n\
00088 qiXAxdlB1wojQB6yLbHvTIe3rZGJAHUDBRAxKetfzauiKSJ6LJEBAed/AvsEiGgj\n\
00089 TQzhsZcUuRNrQpV0cDGH9Mpril7P7K7yFIzju8biB+Cu6nEknSOHlMLl8usObVlk\n\
00090 d8Wf14soHC7SjItiGSKtI8JhauzBJPl6fDDeyHGsJKo9f9adKeBMCipCFOuJAJUD\n\
00091 BRAxKeqWRHFTaIK/x+0BAY6eA/4m5X4gs1UwOUIRnljo9a0cVs6ITL554J9vSCYH\n\
00092 Zzd87kFwdf5W1Vd82HIkRzcr6cp33E3IDkRzaQCMVw2me7HePP7+4Ry2q3EeZMbm\n\
00093 NE++VzkxjikzpRb2+F5nGB2UdsElkgbXinswebiuOwOrocLbz6JFdDsJPcT5gVfi\n\
00094 z15FuA==\n\
00095 ";
00096 #endif
00097
00098 struct pgpPkt_s {
00099 pgpTag tag;
00100 unsigned int pktlen;
00101 const byte *h;
00102 unsigned int hlen;
00103 };
00104
00105 struct pgpValTbl_s pgpSigTypeTbl[] = {
00106 { PGPSIGTYPE_BINARY, "Binary document signature" },
00107 { PGPSIGTYPE_TEXT, "Text document signature" },
00108 { PGPSIGTYPE_STANDALONE, "Standalone signature" },
00109 { PGPSIGTYPE_GENERIC_CERT, "Generic certification of a User ID and Public Key" },
00110 { PGPSIGTYPE_PERSONA_CERT, "Personal certification of a User ID and Public Key" },
00111 { PGPSIGTYPE_CASUAL_CERT, "Casual certification of a User ID and Public Key" },
00112 { PGPSIGTYPE_POSITIVE_CERT, "Positive certification of a User ID and Public Key" },
00113 { PGPSIGTYPE_SUBKEY_BINDING,"Subkey Binding Signature" },
00114 { PGPSIGTYPE_SIGNED_KEY, "Signature directly on a key" },
00115 { PGPSIGTYPE_KEY_REVOKE, "Key revocation signature" },
00116 { PGPSIGTYPE_SUBKEY_REVOKE, "Subkey revocation signature" },
00117 { PGPSIGTYPE_CERT_REVOKE, "Certification revocation signature" },
00118 { PGPSIGTYPE_TIMESTAMP, "Timestamp signature" },
00119 { -1, "Unknown signature type" },
00120 };
00121
00122 struct pgpValTbl_s pgpPubkeyTbl[] = {
00123 { PGPPUBKEYALGO_RSA, "RSA" },
00124 { PGPPUBKEYALGO_RSA_ENCRYPT,"RSA(Encrypt-Only)" },
00125 { PGPPUBKEYALGO_RSA_SIGN, "RSA(Sign-Only)" },
00126 { PGPPUBKEYALGO_ELGAMAL_ENCRYPT,"Elgamal(Encrypt-Only)" },
00127 { PGPPUBKEYALGO_DSA, "DSA" },
00128 { PGPPUBKEYALGO_EC, "Elliptic Curve" },
00129 { PGPPUBKEYALGO_ECDSA, "ECDSA" },
00130 { PGPPUBKEYALGO_ELGAMAL, "Elgamal" },
00131 { PGPPUBKEYALGO_DH, "Diffie-Hellman (X9.42)" },
00132 { -1, "Unknown public key algorithm" },
00133 };
00134
00135 struct pgpValTbl_s pgpSymkeyTbl[] = {
00136 { PGPSYMKEYALGO_PLAINTEXT, "Plaintext" },
00137 { PGPSYMKEYALGO_IDEA, "IDEA" },
00138 { PGPSYMKEYALGO_TRIPLE_DES, "3DES" },
00139 { PGPSYMKEYALGO_CAST5, "CAST5" },
00140 { PGPSYMKEYALGO_BLOWFISH, "BLOWFISH" },
00141 { PGPSYMKEYALGO_SAFER, "SAFER" },
00142 { PGPSYMKEYALGO_DES_SK, "DES/SK" },
00143 { PGPSYMKEYALGO_AES_128, "AES(128-bit key)" },
00144 { PGPSYMKEYALGO_AES_192, "AES(192-bit key)" },
00145 { PGPSYMKEYALGO_AES_256, "AES(256-bit key)" },
00146 { PGPSYMKEYALGO_TWOFISH, "TWOFISH(256-bit key)" },
00147 { PGPSYMKEYALGO_NOENCRYPT, "no encryption" },
00148 { -1, "Unknown symmetric key algorithm" },
00149 };
00150
00151 struct pgpValTbl_s pgpCompressionTbl[] = {
00152 { PGPCOMPRESSALGO_NONE, "Uncompressed" },
00153 { PGPCOMPRESSALGO_ZIP, "ZIP" },
00154 { PGPCOMPRESSALGO_ZLIB, "ZLIB" },
00155 { PGPCOMPRESSALGO_BZIP2, "BZIP2" },
00156 { -1, "Unknown compression algorithm" },
00157 };
00158
00159 struct pgpValTbl_s pgpHashTbl[] = {
00160 { PGPHASHALGO_MD5, "MD5" },
00161 { PGPHASHALGO_SHA1, "SHA1" },
00162 { PGPHASHALGO_RIPEMD160, "RIPEMD160" },
00163 { PGPHASHALGO_MD2, "MD2" },
00164 { PGPHASHALGO_TIGER192, "TIGER192" },
00165 { PGPHASHALGO_HAVAL_5_160, "HAVAL-5-160" },
00166 { PGPHASHALGO_SHA256, "SHA256" },
00167 { PGPHASHALGO_SHA384, "SHA384" },
00168 { PGPHASHALGO_SHA512, "SHA512" },
00169 { -1, "Unknown hash algorithm" },
00170 };
00171
00172
00173
00174 struct pgpValTbl_s pgpKeyServerPrefsTbl[] = {
00175 { 0x80, "No-modify" },
00176 { -1, "Unknown key server preference" },
00177 };
00178
00179
00180 struct pgpValTbl_s pgpSubTypeTbl[] = {
00181 { PGPSUBTYPE_SIG_CREATE_TIME,"signature creation time" },
00182 { PGPSUBTYPE_SIG_EXPIRE_TIME,"signature expiration time" },
00183 { PGPSUBTYPE_EXPORTABLE_CERT,"exportable certification" },
00184 { PGPSUBTYPE_TRUST_SIG, "trust signature" },
00185 { PGPSUBTYPE_REGEX, "regular expression" },
00186 { PGPSUBTYPE_REVOCABLE, "revocable" },
00187 { PGPSUBTYPE_KEY_EXPIRE_TIME,"key expiration time" },
00188 { PGPSUBTYPE_ARR, "additional recipient request" },
00189 { PGPSUBTYPE_PREFER_SYMKEY, "preferred symmetric algorithms" },
00190 { PGPSUBTYPE_REVOKE_KEY, "revocation key" },
00191 { PGPSUBTYPE_ISSUER_KEYID, "issuer key ID" },
00192 { PGPSUBTYPE_NOTATION, "notation data" },
00193 { PGPSUBTYPE_PREFER_HASH, "preferred hash algorithms" },
00194 { PGPSUBTYPE_PREFER_COMPRESS,"preferred compression algorithms" },
00195 { PGPSUBTYPE_KEYSERVER_PREFERS,"key server preferences" },
00196 { PGPSUBTYPE_PREFER_KEYSERVER,"preferred key server" },
00197 { PGPSUBTYPE_PRIMARY_USERID,"primary user id" },
00198 { PGPSUBTYPE_POLICY_URL, "policy URL" },
00199 { PGPSUBTYPE_KEY_FLAGS, "key flags" },
00200 { PGPSUBTYPE_SIGNER_USERID, "signer's user id" },
00201 { PGPSUBTYPE_REVOKE_REASON, "reason for revocation" },
00202 { PGPSUBTYPE_FEATURES, "features" },
00203 { PGPSUBTYPE_EMBEDDED_SIG, "embedded signature" },
00204
00205 { PGPSUBTYPE_INTERNAL_100, "internal subpkt type 100" },
00206 { PGPSUBTYPE_INTERNAL_101, "internal subpkt type 101" },
00207 { PGPSUBTYPE_INTERNAL_102, "internal subpkt type 102" },
00208 { PGPSUBTYPE_INTERNAL_103, "internal subpkt type 103" },
00209 { PGPSUBTYPE_INTERNAL_104, "internal subpkt type 104" },
00210 { PGPSUBTYPE_INTERNAL_105, "internal subpkt type 105" },
00211 { PGPSUBTYPE_INTERNAL_106, "internal subpkt type 106" },
00212 { PGPSUBTYPE_INTERNAL_107, "internal subpkt type 107" },
00213 { PGPSUBTYPE_INTERNAL_108, "internal subpkt type 108" },
00214 { PGPSUBTYPE_INTERNAL_109, "internal subpkt type 109" },
00215 { PGPSUBTYPE_INTERNAL_110, "internal subpkt type 110" },
00216 { -1, "Unknown signature subkey type" },
00217 };
00218
00219 struct pgpValTbl_s pgpTagTbl[] = {
00220 { PGPTAG_PUBLIC_SESSION_KEY,"Public-Key Encrypted Session Key" },
00221 { PGPTAG_SIGNATURE, "Signature" },
00222 { PGPTAG_SYMMETRIC_SESSION_KEY,"Symmetric-Key Encrypted Session Key" },
00223 { PGPTAG_ONEPASS_SIGNATURE, "One-Pass Signature" },
00224 { PGPTAG_SECRET_KEY, "Secret Key" },
00225 { PGPTAG_PUBLIC_KEY, "Public Key" },
00226 { PGPTAG_SECRET_SUBKEY, "Secret Subkey" },
00227 { PGPTAG_COMPRESSED_DATA, "Compressed Data" },
00228 { PGPTAG_SYMMETRIC_DATA, "Symmetrically Encrypted Data" },
00229 { PGPTAG_MARKER, "Marker" },
00230 { PGPTAG_LITERAL_DATA, "Literal Data" },
00231 { PGPTAG_TRUST, "Trust" },
00232 { PGPTAG_USER_ID, "User ID" },
00233 { PGPTAG_PUBLIC_SUBKEY, "Public Subkey" },
00234 { PGPTAG_COMMENT_OLD, "Comment (from OpenPGP draft)" },
00235 { PGPTAG_PHOTOID, "PGP's photo ID" },
00236 { PGPTAG_ENCRYPTED_MDC, "Integrity protected encrypted data" },
00237 { PGPTAG_MDC, "Manipulaion detection code packet" },
00238 { PGPTAG_PRIVATE_60, "Private #60" },
00239 { PGPTAG_COMMENT, "Comment" },
00240 { PGPTAG_PRIVATE_62, "Private #62" },
00241 { PGPTAG_CONTROL, "Control (GPG)" },
00242 { -1, "Unknown packet tag" },
00243 };
00244
00245 struct pgpValTbl_s pgpArmorTbl[] = {
00246 { PGPARMOR_MESSAGE, "MESSAGE" },
00247 { PGPARMOR_PUBKEY, "PUBLIC KEY BLOCK" },
00248 { PGPARMOR_SIGNATURE, "SIGNATURE" },
00249 { PGPARMOR_SIGNED_MESSAGE, "SIGNED MESSAGE" },
00250 { PGPARMOR_FILE, "ARMORED FILE" },
00251 { PGPARMOR_PRIVKEY, "PRIVATE KEY BLOCK" },
00252 { PGPARMOR_SECKEY, "SECRET KEY BLOCK" },
00253 { -1, "Unknown armor block" }
00254 };
00255
00256 struct pgpValTbl_s pgpArmorKeyTbl[] = {
00257 { PGPARMORKEY_VERSION, "Version: " },
00258 { PGPARMORKEY_COMMENT, "Comment: " },
00259 { PGPARMORKEY_MESSAGEID, "MessageID: " },
00260 { PGPARMORKEY_HASH, "Hash: " },
00261 { PGPARMORKEY_CHARSET, "Charset: " },
00262 { -1, "Unknown armor key" }
00263 };
00264
00265 static void pgpPrtNL(void)
00266
00267
00268 {
00269 if (!_print) return;
00270 fprintf(stderr, "\n");
00271 }
00272
00273 static void pgpPrtInt(const char *pre, int i)
00274
00275
00276 {
00277 if (!_print) return;
00278 if (pre && *pre)
00279 fprintf(stderr, "%s", pre);
00280 fprintf(stderr, " %d", i);
00281 }
00282
00283 static void pgpPrtStr(const char *pre, const char *s)
00284
00285
00286 {
00287 if (!_print) return;
00288 if (pre && *pre)
00289 fprintf(stderr, "%s", pre);
00290 fprintf(stderr, " %s", s);
00291 }
00292
00293 static void pgpPrtHex(const char *pre, const byte *p, unsigned int plen)
00294
00295
00296 {
00297 if (!_print) return;
00298 if (pre && *pre)
00299 fprintf(stderr, "%s", pre);
00300 fprintf(stderr, " %s", pgpHexStr(p, plen));
00301 }
00302
00303 void pgpPrtVal(const char * pre, pgpValTbl vs, byte val)
00304
00305
00306 {
00307 if (!_print) return;
00308 if (pre && *pre)
00309 fprintf(stderr, "%s", pre);
00310 fprintf(stderr, "%s(%u)", pgpValStr(vs, val), (unsigned)val);
00311 }
00312
00315 static
00316 const char * pgpMpiHex(const byte *p)
00317
00318 {
00319 static char prbuf[2048];
00320 char *t = prbuf;
00321 t = pgpHexCvt(t, p+2, pgpMpiLen(p)-2);
00322 return prbuf;
00323 }
00324
00325
00329 static int pgpHexSet(const char * pre, int lbits,
00330 mpnumber * mpn, const byte * p, const byte * pend)
00331
00332
00333 {
00334 unsigned int mbits = pgpMpiBits(p);
00335 unsigned int nbits;
00336 unsigned int nbytes;
00337 char * t;
00338 unsigned int ix;
00339
00340 if ((p + ((mbits+7) >> 3)) > pend)
00341 return 1;
00342
00343 nbits = (lbits > mbits ? lbits : mbits);
00344 nbytes = ((nbits + 7) >> 3);
00345 t = xmalloc(2*nbytes+1);
00346 ix = 2 * ((nbits - mbits) >> 3);
00347
00348 if (_debug)
00349 fprintf(stderr, "*** mbits %u nbits %u nbytes %u t %p[%d] ix %u\n", mbits, nbits, nbytes, t, (2*nbytes+1), ix);
00350 if (ix > 0) memset(t, (int)'0', ix);
00351 strcpy(t+ix, pgpMpiHex(p));
00352 if (_debug)
00353 fprintf(stderr, "*** %s %s\n", pre, t);
00354 (void) mpnsethex(mpn, t);
00355 t = _free(t);
00356 if (_debug && _print)
00357 fprintf(stderr, "\t %s ", pre), mpfprintln(stderr, mpn->size, mpn->data);
00358 return 0;
00359 }
00360
00361
00362 int pgpPrtSubType(const byte *h, unsigned int hlen, pgpSigType sigtype)
00363 {
00364 const byte *p = h;
00365 unsigned plen;
00366 int i;
00367
00368 while (hlen > 0) {
00369 i = pgpLen(p, &plen);
00370 p += i;
00371 hlen -= i;
00372
00373 pgpPrtVal(" ", pgpSubTypeTbl, (p[0]&(~PGPSUBTYPE_CRITICAL)));
00374 if (p[0] & PGPSUBTYPE_CRITICAL)
00375 if (_print)
00376 fprintf(stderr, " *CRITICAL*");
00377 switch (*p) {
00378 case PGPSUBTYPE_PREFER_SYMKEY:
00379 for (i = 1; i < plen; i++)
00380 pgpPrtVal(" ", pgpSymkeyTbl, p[i]);
00381 break;
00382 case PGPSUBTYPE_PREFER_HASH:
00383 for (i = 1; i < plen; i++)
00384 pgpPrtVal(" ", pgpHashTbl, p[i]);
00385 break;
00386 case PGPSUBTYPE_PREFER_COMPRESS:
00387 for (i = 1; i < plen; i++)
00388 pgpPrtVal(" ", pgpCompressionTbl, p[i]);
00389 break;
00390 case PGPSUBTYPE_KEYSERVER_PREFERS:
00391 for (i = 1; i < plen; i++)
00392 pgpPrtVal(" ", pgpKeyServerPrefsTbl, p[i]);
00393 break;
00394 case PGPSUBTYPE_SIG_CREATE_TIME:
00395
00396 if (_digp && !(_digp->saved & PGPDIG_SAVED_TIME) &&
00397 (sigtype == PGPSIGTYPE_POSITIVE_CERT || sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT || sigtype == PGPSIGTYPE_STANDALONE))
00398 {
00399 _digp->saved |= PGPDIG_SAVED_TIME;
00400 memcpy(_digp->time, p+1, sizeof(_digp->time));
00401 }
00402
00403
00404 case PGPSUBTYPE_SIG_EXPIRE_TIME:
00405 case PGPSUBTYPE_KEY_EXPIRE_TIME:
00406 if ((plen - 1) == 4) {
00407 time_t t = pgpGrab(p+1, plen-1);
00408 if (_print)
00409 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00410 } else
00411 pgpPrtHex("", p+1, plen-1);
00412 break;
00413
00414 case PGPSUBTYPE_ISSUER_KEYID:
00415
00416 if (_digp && !(_digp->saved & PGPDIG_SAVED_ID) &&
00417 (sigtype == PGPSIGTYPE_POSITIVE_CERT || sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT || sigtype == PGPSIGTYPE_STANDALONE))
00418 {
00419 _digp->saved |= PGPDIG_SAVED_ID;
00420 memcpy(_digp->signid, p+1, sizeof(_digp->signid));
00421 }
00422
00423
00424 case PGPSUBTYPE_EXPORTABLE_CERT:
00425 case PGPSUBTYPE_TRUST_SIG:
00426 case PGPSUBTYPE_REGEX:
00427 case PGPSUBTYPE_REVOCABLE:
00428 case PGPSUBTYPE_ARR:
00429 case PGPSUBTYPE_REVOKE_KEY:
00430 case PGPSUBTYPE_NOTATION:
00431 case PGPSUBTYPE_PREFER_KEYSERVER:
00432 case PGPSUBTYPE_PRIMARY_USERID:
00433 case PGPSUBTYPE_POLICY_URL:
00434 case PGPSUBTYPE_KEY_FLAGS:
00435 case PGPSUBTYPE_SIGNER_USERID:
00436 case PGPSUBTYPE_REVOKE_REASON:
00437 case PGPSUBTYPE_FEATURES:
00438 case PGPSUBTYPE_EMBEDDED_SIG:
00439 case PGPSUBTYPE_INTERNAL_100:
00440 case PGPSUBTYPE_INTERNAL_101:
00441 case PGPSUBTYPE_INTERNAL_102:
00442 case PGPSUBTYPE_INTERNAL_103:
00443 case PGPSUBTYPE_INTERNAL_104:
00444 case PGPSUBTYPE_INTERNAL_105:
00445 case PGPSUBTYPE_INTERNAL_106:
00446 case PGPSUBTYPE_INTERNAL_107:
00447 case PGPSUBTYPE_INTERNAL_108:
00448 case PGPSUBTYPE_INTERNAL_109:
00449 case PGPSUBTYPE_INTERNAL_110:
00450 default:
00451 pgpPrtHex("", p+1, plen-1);
00452 break;
00453 }
00454 pgpPrtNL();
00455 p += plen;
00456 hlen -= plen;
00457 }
00458 return 0;
00459 }
00460
00461
00462
00463 static const char * pgpSigRSA[] = {
00464 " m**d =",
00465 NULL,
00466 };
00467
00468
00469 static const char * pgpSigDSA[] = {
00470 " r =",
00471 " s =",
00472 NULL,
00473 };
00474
00475
00476 static int pgpPrtSigParams(const pgpPkt pp, byte pubkey_algo, byte sigtype,
00477 const byte *p)
00478
00479
00480 {
00481 const byte * pend = pp->h + pp->hlen;
00482 int i;
00483
00484 for (i = 0; p < pend; i++, p += pgpMpiLen(p)) {
00485 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00486 if (i >= 1) break;
00487 if (_dig &&
00488 (sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT))
00489 {
00490 switch (i) {
00491 case 0:
00492 (void) mpnsethex(&_dig->c, pgpMpiHex(p));
00493 if (_debug && _print)
00494 fprintf(stderr, "\t m**d = "), mpfprintln(stderr, _dig->c.size, _dig->c.data);
00495 break;
00496 default:
00497 break;
00498 }
00499 }
00500 pgpPrtStr("", pgpSigRSA[i]);
00501 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00502 if (i >= 2) break;
00503 if (_dig &&
00504 (sigtype == PGPSIGTYPE_BINARY || sigtype == PGPSIGTYPE_TEXT))
00505 {
00506 int xx;
00507 xx = 0;
00508 switch (i) {
00509 case 0:
00510 xx = pgpHexSet(pgpSigDSA[i], 160, &_dig->r, p, pend);
00511 break;
00512 case 1:
00513 xx = pgpHexSet(pgpSigDSA[i], 160, &_dig->s, p, pend);
00514 break;
00515 default:
00516 xx = 1;
00517 break;
00518 }
00519 if (xx) return xx;
00520 }
00521 pgpPrtStr("", pgpSigDSA[i]);
00522 } else {
00523 if (_print)
00524 fprintf(stderr, "%7d", i);
00525 }
00526 pgpPrtStr("", pgpMpiStr(p));
00527 pgpPrtNL();
00528 }
00529
00530 return 0;
00531 }
00532
00533 int pgpPrtSig(const pgpPkt pp)
00534
00535
00536 {
00537 byte version = pp->h[0];
00538 byte * p;
00539 unsigned plen;
00540 int rc;
00541
00542 switch (version) {
00543 case 3:
00544 { pgpPktSigV3 v = (pgpPktSigV3)pp->h;
00545 time_t t;
00546
00547 if (v->hashlen != 5)
00548 return 1;
00549
00550 pgpPrtVal("V3 ", pgpTagTbl, pp->tag);
00551 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00552 pgpPrtVal(" ", pgpHashTbl, v->hash_algo);
00553 pgpPrtVal(" ", pgpSigTypeTbl, v->sigtype);
00554 pgpPrtNL();
00555 t = pgpGrab(v->time, sizeof(v->time));
00556 if (_print)
00557 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00558 pgpPrtNL();
00559 pgpPrtHex(" signer keyid", v->signid, sizeof(v->signid));
00560 plen = pgpGrab(v->signhash16, sizeof(v->signhash16));
00561 pgpPrtHex(" signhash16", v->signhash16, sizeof(v->signhash16));
00562 pgpPrtNL();
00563
00564 if (_digp && _digp->pubkey_algo == 0) {
00565 _digp->version = v->version;
00566 _digp->hashlen = v->hashlen;
00567 _digp->sigtype = v->sigtype;
00568 _digp->hash = memcpy(xmalloc(v->hashlen), &v->sigtype, v->hashlen);
00569 memcpy(_digp->time, v->time, sizeof(_digp->time));
00570 memcpy(_digp->signid, v->signid, sizeof(_digp->signid));
00571 _digp->pubkey_algo = v->pubkey_algo;
00572 _digp->hash_algo = v->hash_algo;
00573 memcpy(_digp->signhash16, v->signhash16, sizeof(_digp->signhash16));
00574 }
00575
00576 p = ((byte *)v) + sizeof(*v);
00577 rc = pgpPrtSigParams(pp, v->pubkey_algo, v->sigtype, p);
00578 } break;
00579 case 4:
00580 { pgpPktSigV4 v = (pgpPktSigV4)pp->h;
00581
00582 pgpPrtVal("V4 ", pgpTagTbl, pp->tag);
00583 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00584 pgpPrtVal(" ", pgpHashTbl, v->hash_algo);
00585 pgpPrtVal(" ", pgpSigTypeTbl, v->sigtype);
00586 pgpPrtNL();
00587
00588 p = &v->hashlen[0];
00589 plen = pgpGrab(v->hashlen, sizeof(v->hashlen));
00590 p += sizeof(v->hashlen);
00591
00592 if ((p + plen) > (pp->h + pp->hlen))
00593 return 1;
00594
00595 if (_debug && _print)
00596 fprintf(stderr, " hash[%u] -- %s\n", plen, pgpHexStr(p, plen));
00597 if (_digp && _digp->pubkey_algo == 0) {
00598 _digp->hashlen = sizeof(*v) + plen;
00599 _digp->hash = memcpy(xmalloc(_digp->hashlen), v, _digp->hashlen);
00600 }
00601 (void) pgpPrtSubType(p, plen, v->sigtype);
00602 p += plen;
00603
00604 plen = pgpGrab(p,2);
00605 p += 2;
00606
00607 if ((p + plen) > (pp->h + pp->hlen))
00608 return 1;
00609
00610 if (_debug && _print)
00611 fprintf(stderr, " unhash[%u] -- %s\n", plen, pgpHexStr(p, plen));
00612 (void) pgpPrtSubType(p, plen, v->sigtype);
00613 p += plen;
00614
00615 plen = pgpGrab(p,2);
00616 pgpPrtHex(" signhash16", p, 2);
00617 pgpPrtNL();
00618
00619 if (_digp && _digp->pubkey_algo == 0) {
00620 _digp->version = v->version;
00621 _digp->sigtype = v->sigtype;
00622 _digp->pubkey_algo = v->pubkey_algo;
00623 _digp->hash_algo = v->hash_algo;
00624 memcpy(_digp->signhash16, p, sizeof(_digp->signhash16));
00625 }
00626
00627 p += 2;
00628 if (p > (pp->h + pp->hlen))
00629 return 1;
00630
00631 rc = pgpPrtSigParams(pp, v->pubkey_algo, v->sigtype, p);
00632 } break;
00633 default:
00634 rc = 1;
00635 break;
00636 }
00637 return rc;
00638 }
00639
00640
00641
00642 static const char * pgpPublicRSA[] = {
00643 " n =",
00644 " e =",
00645 NULL,
00646 };
00647
00648 #ifdef NOTYET
00649
00650 static const char * pgpSecretRSA[] = {
00651 " d =",
00652 " p =",
00653 " q =",
00654 " u =",
00655 NULL,
00656 };
00657 #endif
00658
00659
00660 static const char * pgpPublicDSA[] = {
00661 " p =",
00662 " q =",
00663 " g =",
00664 " y =",
00665 NULL,
00666 };
00667
00668 #ifdef NOTYET
00669
00670 static const char * pgpSecretDSA[] = {
00671 " x =",
00672 NULL,
00673 };
00674 #endif
00675
00676
00677 static const char * pgpPublicELGAMAL[] = {
00678 " p =",
00679 " g =",
00680 " y =",
00681 NULL,
00682 };
00683
00684 #ifdef NOTYET
00685
00686 static const char * pgpSecretELGAMAL[] = {
00687 " x =",
00688 NULL,
00689 };
00690 #endif
00691
00692
00693 static const byte * pgpPrtPubkeyParams(const pgpPkt pp, byte pubkey_algo,
00694 const byte *p)
00695
00696
00697 {
00698 int i;
00699
00700 for (i = 0; p < &pp->h[pp->hlen]; i++, p += pgpMpiLen(p)) {
00701 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00702 if (i >= 2) break;
00703 if (_dig) {
00704 switch (i) {
00705 case 0:
00706 (void) mpbsethex(&_dig->rsa_pk.n, pgpMpiHex(p));
00707 if (_debug && _print)
00708 fprintf(stderr, "\t n = "), mpfprintln(stderr, _dig->rsa_pk.n.size, _dig->rsa_pk.n.modl);
00709 break;
00710 case 1:
00711 (void) mpnsethex(&_dig->rsa_pk.e, pgpMpiHex(p));
00712 if (_debug && _print)
00713 fprintf(stderr, "\t e = "), mpfprintln(stderr, _dig->rsa_pk.e.size, _dig->rsa_pk.e.data);
00714 break;
00715 default:
00716 break;
00717 }
00718 }
00719 pgpPrtStr("", pgpPublicRSA[i]);
00720 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00721 if (i >= 4) break;
00722 if (_dig) {
00723 switch (i) {
00724 case 0:
00725 (void) mpbsethex(&_dig->p, pgpMpiHex(p));
00726 if (_debug && _print)
00727 fprintf(stderr, "\t p = "), mpfprintln(stderr, _dig->p.size, _dig->p.modl);
00728 break;
00729 case 1:
00730 (void) mpbsethex(&_dig->q, pgpMpiHex(p));
00731 if (_debug && _print)
00732 fprintf(stderr, "\t q = "), mpfprintln(stderr, _dig->q.size, _dig->q.modl);
00733 break;
00734 case 2:
00735 (void) mpnsethex(&_dig->g, pgpMpiHex(p));
00736 if (_debug && _print)
00737 fprintf(stderr, "\t g = "), mpfprintln(stderr, _dig->g.size, _dig->g.data);
00738 break;
00739 case 3:
00740 (void) mpnsethex(&_dig->y, pgpMpiHex(p));
00741 if (_debug && _print)
00742 fprintf(stderr, "\t y = "), mpfprintln(stderr, _dig->y.size, _dig->y.data);
00743 break;
00744 default:
00745 break;
00746 }
00747 }
00748 pgpPrtStr("", pgpPublicDSA[i]);
00749 } else if (pubkey_algo == PGPPUBKEYALGO_ELGAMAL_ENCRYPT) {
00750 if (i >= 3) break;
00751 pgpPrtStr("", pgpPublicELGAMAL[i]);
00752 } else {
00753 if (_print)
00754 fprintf(stderr, "%7d", i);
00755 }
00756 pgpPrtStr("", pgpMpiStr(p));
00757 pgpPrtNL();
00758 }
00759
00760 return p;
00761 }
00762
00763 static const byte * pgpPrtSeckeyParams(const pgpPkt pp, byte pubkey_algo,
00764 const byte *p)
00765
00766
00767 {
00768 int i;
00769
00770 switch (*p) {
00771 case 0:
00772 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00773 break;
00774 case 255:
00775 p++;
00776 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00777 switch (p[1]) {
00778 case 0x00:
00779 pgpPrtVal(" simple ", pgpHashTbl, p[2]);
00780 p += 2;
00781 break;
00782 case 0x01:
00783 pgpPrtVal(" salted ", pgpHashTbl, p[2]);
00784 pgpPrtHex("", p+3, 8);
00785 p += 10;
00786 break;
00787 case 0x03:
00788 pgpPrtVal(" iterated/salted ", pgpHashTbl, p[2]);
00789
00790 i = (16 + (p[11] & 0xf)) << ((p[11] >> 4) + 6);
00791
00792 pgpPrtHex("", p+3, 8);
00793 pgpPrtInt(" iter", i);
00794 p += 11;
00795 break;
00796 }
00797 break;
00798 default:
00799 pgpPrtVal(" ", pgpSymkeyTbl, *p);
00800 pgpPrtHex(" IV", p+1, 8);
00801 p += 8;
00802 break;
00803 }
00804 pgpPrtNL();
00805
00806 p++;
00807
00808 #ifdef NOTYET
00809 for (i = 0; p < &pp->h[pp->hlen]; i++, p += pgpMpiLen(p)) {
00810 if (pubkey_algo == PGPPUBKEYALGO_RSA) {
00811 if (pgpSecretRSA[i] == NULL) break;
00812 pgpPrtStr("", pgpSecretRSA[i]);
00813 } else if (pubkey_algo == PGPPUBKEYALGO_DSA) {
00814 if (pgpSecretDSA[i] == NULL) break;
00815 pgpPrtStr("", pgpSecretDSA[i]);
00816 } else if (pubkey_algo == PGPPUBKEYALGO_ELGAMAL_ENCRYPT) {
00817 if (pgpSecretELGAMAL[i] == NULL) break;
00818 pgpPrtStr("", pgpSecretELGAMAL[i]);
00819 } else {
00820 if (_print)
00821 fprintf(stderr, "%7d", i);
00822 }
00823 pgpPrtStr("", pgpMpiStr(p));
00824 pgpPrtNL();
00825 }
00826 #else
00827 pgpPrtHex(" secret", p, (pp->hlen - (p - pp->h) - 2));
00828 pgpPrtNL();
00829 p += (pp->hlen - (p - pp->h) - 2);
00830 #endif
00831 pgpPrtHex(" checksum", p, 2);
00832 pgpPrtNL();
00833
00834 return p;
00835 }
00836
00837 int pgpPrtKey(const pgpPkt pp)
00838
00839
00840 {
00841 byte version = pp->h[0];
00842 const byte * p;
00843 unsigned plen;
00844 time_t t;
00845 int rc;
00846
00847 switch (version) {
00848 case 3:
00849 { pgpPktKeyV3 v = (pgpPktKeyV3)pp->h;
00850 pgpPrtVal("V3 ", pgpTagTbl, pp->tag);
00851 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00852 t = pgpGrab(v->time, sizeof(v->time));
00853 if (_print)
00854 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00855 plen = pgpGrab(v->valid, sizeof(v->valid));
00856 if (plen != 0)
00857 fprintf(stderr, " valid %u days", plen);
00858 pgpPrtNL();
00859
00860 if (_digp && _digp->tag == pp->tag) {
00861 _digp->version = v->version;
00862 memcpy(_digp->time, v->time, sizeof(_digp->time));
00863 _digp->pubkey_algo = v->pubkey_algo;
00864 }
00865
00866 p = ((byte *)v) + sizeof(*v);
00867 p = pgpPrtPubkeyParams(pp, v->pubkey_algo, p);
00868 rc = 0;
00869 } break;
00870 case 4:
00871 { pgpPktKeyV4 v = (pgpPktKeyV4)pp->h;
00872 pgpPrtVal("V4 ", pgpTagTbl, pp->tag);
00873 pgpPrtVal(" ", pgpPubkeyTbl, v->pubkey_algo);
00874 t = pgpGrab(v->time, sizeof(v->time));
00875 if (_print)
00876 fprintf(stderr, " %-24.24s(0x%08x)", ctime(&t), (unsigned)t);
00877 pgpPrtNL();
00878
00879 if (_digp && _digp->tag == pp->tag) {
00880 _digp->version = v->version;
00881 memcpy(_digp->time, v->time, sizeof(_digp->time));
00882 _digp->pubkey_algo = v->pubkey_algo;
00883 }
00884
00885 p = ((byte *)v) + sizeof(*v);
00886 p = pgpPrtPubkeyParams(pp, v->pubkey_algo, p);
00887 if (!(pp->tag == PGPTAG_PUBLIC_KEY || pp->tag == PGPTAG_PUBLIC_SUBKEY))
00888 p = pgpPrtSeckeyParams(pp, v->pubkey_algo, p);
00889 rc = 0;
00890 } break;
00891 default:
00892 rc = 1;
00893 break;
00894 }
00895 return rc;
00896 }
00897
00898
00899 int pgpPrtUserID(const pgpPkt pp)
00900
00901
00902 {
00903 pgpPrtVal("", pgpTagTbl, pp->tag);
00904 if (_print)
00905 fprintf(stderr, " \"%.*s\"", (int)pp->hlen, (const char *)pp->h);
00906 pgpPrtNL();
00907 if (_digp) {
00908 char * t = memcpy(xmalloc(pp->hlen+1), pp->h, pp->hlen);
00909 t[pp->hlen] = '\0';
00910 _digp->userid = _free(_digp->userid);
00911 _digp->userid = t;
00912 }
00913 return 0;
00914 }
00915
00916
00917 int pgpPrtComment(const pgpPkt pp)
00918 {
00919 const byte * h = pp->h;
00920 int i = pp->hlen;
00921
00922 pgpPrtVal("", pgpTagTbl, pp->tag);
00923 if (_print)
00924 fprintf(stderr, " ");
00925 while (i > 0) {
00926 int j;
00927 if (*h >= ' ' && *h <= 'z') {
00928 j = 0;
00929 while (j < i && h[j] != '\0')
00930 j++;
00931 while (j < i && h[j] == '\0')
00932 j++;
00933 if (_print && j)
00934 fprintf(stderr, "%.*s", (int)strlen((const char *)h), (const char *)h);
00935 } else {
00936 pgpPrtHex("", h, i);
00937 j = i;
00938 }
00939 i -= j;
00940 h += j;
00941 }
00942 pgpPrtNL();
00943 return 0;
00944 }
00945
00946 int pgpPktLen(const byte *pkt, unsigned int pleft, pgpPkt pp)
00947 {
00948 unsigned int val = *pkt;
00949 unsigned int plen;
00950
00951 memset(pp, 0, sizeof(*pp));
00952
00953 if (!(val & 0x80))
00954 return -1;
00955
00956 if (val & 0x40) {
00957 pp->tag = (val & 0x3f);
00958 plen = pgpLen(pkt+1, &pp->hlen);
00959 } else {
00960 pp->tag = (val >> 2) & 0xf;
00961 plen = (1 << (val & 0x3));
00962 pp->hlen = pgpGrab(pkt+1, plen);
00963 }
00964
00965 pp->pktlen = 1 + plen + pp->hlen;
00966 if (pleft > 0 && pp->pktlen > pleft)
00967 return -1;
00968
00969
00970 pp->h = pkt + 1 + plen;
00971
00972
00973 return pp->pktlen;
00974 }
00975
00976 int pgpPubkeyFingerprint(const byte * pkt, unsigned int pktlen, byte * keyid)
00977 {
00978 pgpPkt pp = alloca(sizeof(*pp));
00979 int rc = pgpPktLen(pkt, pktlen, pp);
00980 const byte *se;
00981 int i;
00982
00983
00984 if (pp->tag != PGPTAG_PUBLIC_KEY)
00985 return -1;
00986
00987
00988 switch (pp->h[0]) {
00989 default: return -1;
00990 case 3:
00991 { pgpPktKeyV3 v = (pgpPktKeyV3) (pp->h);
00992 se = (byte *)(v + 1);
00993 switch (v->pubkey_algo) {
00994 default: return -1;
00995 case PGPPUBKEYALGO_RSA:
00996 se += pgpMpiLen(se);
00997 memmove(keyid, (se-8), 8);
00998 break;
00999 }
01000 } break;
01001 case 4:
01002 { pgpPktKeyV4 v = (pgpPktKeyV4) (pp->h);
01003 byte * d = NULL;
01004 size_t dlen = 0;
01005
01006 se = (byte *)(v + 1);
01007 switch (v->pubkey_algo) {
01008 default: return -1;
01009 case PGPPUBKEYALGO_RSA:
01010 for (i = 0; i < 2; i++)
01011 se += pgpMpiLen(se);
01012 break;
01013 case PGPPUBKEYALGO_DSA:
01014 for (i = 0; i < 4; i++)
01015 se += pgpMpiLen(se);
01016 break;
01017 }
01018 { DIGEST_CTX ctx = rpmDigestInit(PGPHASHALGO_SHA1, RPMDIGEST_NONE);
01019 (void) rpmDigestUpdate(ctx, pkt, (se-pkt));
01020 (void) rpmDigestFinal(ctx, &d, &dlen, 0);
01021 }
01022
01023
01024 memmove(keyid, (d + (dlen-8)), 8);
01025
01026 d = _free(d);
01027 } break;
01028 }
01029 rc = 0;
01030 return rc;
01031 }
01032
01033 int pgpExtractPubkeyFingerprint(const char * b64pkt, byte * keyid)
01034 {
01035 const byte * pkt;
01036 ssize_t pktlen;
01037
01038 if (b64decode(b64pkt, (void **)&pkt, &pktlen))
01039 return -1;
01040 (void) pgpPubkeyFingerprint(pkt, pktlen, keyid);
01041 pkt = _free(pkt);
01042 return 8;
01043 }
01044
01045 int pgpPrtPkt(const byte *pkt, unsigned int pleft)
01046 {
01047 pgpPkt pp = alloca(sizeof(*pp));
01048 int rc = pgpPktLen(pkt, pleft, pp);
01049
01050 if (rc < 0)
01051 return rc;
01052
01053 switch (pp->tag) {
01054 case PGPTAG_SIGNATURE:
01055 rc = pgpPrtSig(pp);
01056 break;
01057 case PGPTAG_PUBLIC_KEY:
01058
01059 if (_digp) {
01060
01061 if (!pgpPubkeyFingerprint(pkt, pp->pktlen, _digp->signid))
01062 _digp->saved |= PGPDIG_SAVED_ID;
01063 else
01064 memset(_digp->signid, 0, sizeof(_digp->signid));
01065
01066 }
01067
01068 case PGPTAG_PUBLIC_SUBKEY:
01069 rc = pgpPrtKey(pp);
01070 break;
01071 case PGPTAG_SECRET_KEY:
01072 case PGPTAG_SECRET_SUBKEY:
01073 rc = pgpPrtKey(pp);
01074 break;
01075 case PGPTAG_USER_ID:
01076 rc = pgpPrtUserID(pp);
01077 break;
01078 case PGPTAG_COMMENT:
01079 case PGPTAG_COMMENT_OLD:
01080 rc = pgpPrtComment(pp);
01081 break;
01082
01083 case PGPTAG_RESERVED:
01084 case PGPTAG_PUBLIC_SESSION_KEY:
01085 case PGPTAG_SYMMETRIC_SESSION_KEY:
01086 case PGPTAG_COMPRESSED_DATA:
01087 case PGPTAG_SYMMETRIC_DATA:
01088 case PGPTAG_MARKER:
01089 case PGPTAG_LITERAL_DATA:
01090 case PGPTAG_TRUST:
01091 case PGPTAG_PHOTOID:
01092 case PGPTAG_ENCRYPTED_MDC:
01093 case PGPTAG_MDC:
01094 case PGPTAG_PRIVATE_60:
01095 case PGPTAG_PRIVATE_62:
01096 case PGPTAG_CONTROL:
01097 default:
01098 pgpPrtVal("", pgpTagTbl, pp->tag);
01099 pgpPrtHex("", pp->h, pp->hlen);
01100 pgpPrtNL();
01101 rc = 0;
01102 break;
01103 }
01104
01105 return (rc ? -1 : pp->pktlen);
01106 }
01107
01108 pgpDig pgpNewDig(void)
01109 {
01110 pgpDig dig = xcalloc(1, sizeof(*dig));
01111 return dig;
01112 }
01113
01114
01115 void pgpCleanDig(pgpDig dig)
01116 {
01117 if (dig != NULL) {
01118 int i;
01119 dig->signature.userid = _free(dig->signature.userid);
01120 dig->pubkey.userid = _free(dig->pubkey.userid);
01121 dig->ppkts = _free(dig->ppkts);
01122 dig->npkts = 0;
01123 dig->signature.hash = _free(dig->signature.hash);
01124 dig->pubkey.hash = _free(dig->pubkey.hash);
01125
01126 for (i = 0; i < 4; i++) {
01127 dig->signature.params[i] = _free(dig->signature.params[i]);
01128 dig->pubkey.params[i] = _free(dig->pubkey.params[i]);
01129 }
01130
01131
01132 memset(&dig->signature, 0, sizeof(dig->signature));
01133 memset(&dig->pubkey, 0, sizeof(dig->pubkey));
01134
01135 dig->md5 = _free(dig->md5);
01136 dig->sha1 = _free(dig->sha1);
01137 mpnfree(&dig->hm);
01138 mpnfree(&dig->r);
01139 mpnfree(&dig->s);
01140
01141 (void) rsapkFree(&dig->rsa_pk);
01142 mpnfree(&dig->m);
01143 mpnfree(&dig->c);
01144 mpnfree(&dig->rsahm);
01145 }
01146
01147 return;
01148
01149 }
01150
01151
01152 pgpDig pgpFreeDig( pgpDig dig)
01153
01154 {
01155 if (dig != NULL) {
01156
01157
01158 pgpCleanDig(dig);
01159
01160
01161 if (dig->hdrsha1ctx != NULL)
01162 (void) rpmDigestFinal(dig->hdrsha1ctx, NULL, NULL, 0);
01163
01164 dig->hdrsha1ctx = NULL;
01165
01166
01167 if (dig->sha1ctx != NULL)
01168 (void) rpmDigestFinal(dig->sha1ctx, NULL, NULL, 0);
01169
01170 dig->sha1ctx = NULL;
01171
01172 mpbfree(&dig->p);
01173 mpbfree(&dig->q);
01174 mpnfree(&dig->g);
01175 mpnfree(&dig->y);
01176 mpnfree(&dig->hm);
01177 mpnfree(&dig->r);
01178 mpnfree(&dig->s);
01179
01180 #ifdef NOTYET
01181
01182 if (dig->hdrmd5ctx != NULL)
01183 (void) rpmDigestFinal(dig->hdrmd5ctx, NULL, NULL, 0);
01184
01185 dig->hdrmd5ctx = NULL;
01186 #endif
01187
01188
01189 if (dig->md5ctx != NULL)
01190 (void) rpmDigestFinal(dig->md5ctx, NULL, NULL, 0);
01191
01192 dig->md5ctx = NULL;
01193
01194 mpbfree(&dig->rsa_pk.n);
01195 mpnfree(&dig->rsa_pk.e);
01196 mpnfree(&dig->m);
01197 mpnfree(&dig->c);
01198 mpnfree(&dig->hm);
01199
01200 dig = _free(dig);
01201 }
01202 return dig;
01203 }
01204
01205 static int pgpGrabPkts(const byte * pkts, unsigned int pktlen,
01206 byte *** pppkts, int * pnpkts)
01207
01208 {
01209 pgpPkt pp = alloca(sizeof(*pp));
01210 const byte *p;
01211 unsigned int pleft;
01212 int len;
01213 int npkts = 0;
01214 byte ** ppkts;
01215
01216 for (p = pkts, pleft = pktlen; p < (pkts + pktlen); p += len, pleft -= len) {
01217 if (pgpPktLen(p, pleft, pp) < 0)
01218 return -1;
01219 len = pp->pktlen;
01220 npkts++;
01221 }
01222 if (npkts <= 0)
01223 return -2;
01224
01225 ppkts = xcalloc(npkts, sizeof(*ppkts));
01226
01227 npkts = 0;
01228 for (p = pkts, pleft = pktlen; p < (pkts + pktlen); p += len, pleft -= len) {
01229
01230 if (pgpPktLen(p, pleft, pp) < 0)
01231 return -1;
01232 len = pp->pktlen;
01233 ppkts[npkts++] = (byte *) p;
01234 }
01235
01236
01237 if (pppkts != NULL)
01238 *pppkts = ppkts;
01239 else
01240 ppkts = _free(ppkts);
01241
01242
01243 if (pnpkts != NULL)
01244 *pnpkts = npkts;
01245
01246 return 0;
01247 }
01248
01249 int pgpPrtPkts(const byte * pkts, unsigned int pktlen, pgpDig dig, int printing)
01250
01251
01252 {
01253 pgpPkt pp = alloca(sizeof(*pp));
01254 unsigned int val = *pkts;
01255 unsigned int pleft;
01256 int len;
01257 byte ** ppkts = NULL;
01258 int npkts;
01259 int i;
01260
01261 _print = printing;
01262 _dig = dig;
01263 if (dig != NULL && (val & 0x80)) {
01264 pgpTag tag = (val & 0x40) ? (val & 0x3f) : ((val >> 2) & 0xf);
01265 _digp = (tag == PGPTAG_SIGNATURE) ? &_dig->signature : &_dig->pubkey;
01266 _digp->tag = tag;
01267 } else
01268 _digp = NULL;
01269
01270 if (pgpGrabPkts(pkts, pktlen, &ppkts, &npkts) || ppkts == NULL)
01271 return -1;
01272
01273 if (ppkts != NULL)
01274 for (i = 0, pleft = pktlen; i < npkts; i++, pleft -= len) {
01275 len = pgpPktLen(ppkts[i], pleft, pp);
01276 len = pgpPrtPkt(ppkts[i], pp->pktlen);
01277 }
01278
01279
01280 if (dig != NULL) {
01281 dig->ppkts = _free(dig->ppkts);
01282 dig->ppkts = ppkts;
01283 dig->npkts = npkts;
01284 } else
01285 ppkts = _free(ppkts);
01286
01287
01288 return 0;
01289 }
01290
01291
01292 pgpArmor pgpReadPkts(const char * fn, const byte ** pkt, size_t * pktlen)
01293 {
01294 const byte * b = NULL;
01295 ssize_t blen;
01296 const char * enc = NULL;
01297 const char * crcenc = NULL;
01298 byte * dec;
01299 byte * crcdec;
01300 size_t declen;
01301 size_t crclen;
01302 uint32_t crcpkt, crc;
01303 const char * armortype = NULL;
01304 char * t, * te;
01305 int pstate = 0;
01306 pgpArmor ec = PGPARMOR_ERR_NO_BEGIN_PGP;
01307 int rc;
01308
01309 rc = rpmioSlurp(fn, &b, &blen);
01310 if (rc || b == NULL || blen <= 0) {
01311 goto exit;
01312 }
01313
01314 if (pgpIsPkt(b)) {
01315 #ifdef NOTYET
01316 ec = 0;
01317 #endif
01318 goto exit;
01319 }
01320
01321 #define TOKEQ(_s, _tok) (!strncmp((_s), (_tok), sizeof(_tok)-1))
01322
01323 for (t = (char *)b; t && *t; t = te) {
01324 if ((te = strchr(t, '\n')) == NULL)
01325 te = t + strlen(t);
01326 else
01327 te++;
01328
01329 switch (pstate) {
01330 case 0:
01331 armortype = NULL;
01332 if (!TOKEQ(t, "-----BEGIN PGP "))
01333 continue;
01334 t += sizeof("-----BEGIN PGP ")-1;
01335
01336 rc = pgpValTok(pgpArmorTbl, t, te);
01337 if (rc < 0) {
01338 ec = PGPARMOR_ERR_UNKNOWN_ARMOR_TYPE;
01339 goto exit;
01340 }
01341 if (rc != PGPARMOR_PUBKEY)
01342 continue;
01343 armortype = t;
01344
01345 t = strchr(t, '\n');
01346 if (t == NULL)
01347 continue;
01348 if (t[-1] == '\r')
01349 --t;
01350 t -= (sizeof("-----")-1);
01351 if (!TOKEQ(t, "-----"))
01352 continue;
01353 *t = '\0';
01354 pstate++;
01355 break;
01356 case 1:
01357 enc = NULL;
01358 rc = pgpValTok(pgpArmorKeyTbl, t, te);
01359 if (rc >= 0)
01360 continue;
01361 if (!(*t == '\n' || *t == '\r')) {
01362 pstate = 0;
01363 continue;
01364 }
01365 enc = te;
01366 pstate++;
01367 break;
01368 case 2:
01369 crcenc = NULL;
01370 if (*t != '=')
01371 continue;
01372 *t++ = '\0';
01373 crcenc = t;
01374 pstate++;
01375 break;
01376 case 3:
01377 pstate = 0;
01378 if (!TOKEQ(t, "-----END PGP ")) {
01379 ec = PGPARMOR_ERR_NO_END_PGP;
01380 goto exit;
01381 }
01382 *t = '\0';
01383 t += sizeof("-----END PGP ")-1;
01384 if (t >= te) continue;
01385
01386 if (armortype == NULL)
01387 continue;
01388 rc = strncmp(t, armortype, strlen(armortype));
01389 if (rc)
01390 continue;
01391
01392 t += strlen(armortype);
01393 if (t >= te) continue;
01394
01395 if (!TOKEQ(t, "-----")) {
01396 ec = PGPARMOR_ERR_NO_END_PGP;
01397 goto exit;
01398 }
01399 t += (sizeof("-----")-1);
01400 if (t >= te) continue;
01401
01402 if (!(*t == '\n' || *t == '\r')) continue;
01403
01404 crcdec = NULL;
01405 crclen = 0;
01406 if (b64decode(crcenc, (void **)&crcdec, &crclen) != 0) {
01407 ec = PGPARMOR_ERR_CRC_DECODE;
01408 goto exit;
01409 }
01410 crcpkt = pgpGrab(crcdec, crclen);
01411 crcdec = _free(crcdec);
01412 dec = NULL;
01413 declen = 0;
01414 if (b64decode(enc, (void **)&dec, &declen) != 0) {
01415 ec = PGPARMOR_ERR_BODY_DECODE;
01416 goto exit;
01417 }
01418 crc = pgpCRC(dec, declen);
01419 if (crcpkt != crc) {
01420 ec = PGPARMOR_ERR_CRC_CHECK;
01421 goto exit;
01422 }
01423 b = _free(b);
01424 b = dec;
01425 blen = declen;
01426 ec = PGPARMOR_PUBKEY;
01427 goto exit;
01428 break;
01429 }
01430 }
01431 ec = PGPARMOR_NONE;
01432
01433 exit:
01434 if (ec > PGPARMOR_NONE && pkt)
01435 *pkt = b;
01436 else if (b != NULL)
01437 b = _free(b);
01438 if (pktlen)
01439 *pktlen = blen;
01440 return ec;
01441 }
01442
01443
01444 char * pgpArmorWrap(int atype, const unsigned char * s, size_t ns)
01445 {
01446 const char * enc;
01447 char * t;
01448 size_t nt;
01449 char * val;
01450 int lc;
01451
01452 nt = ((ns + 2) / 3) * 4;
01453
01454
01455 if (b64encode_chars_per_line > 0 && b64encode_eolstr != NULL) {
01456 lc = (nt + b64encode_chars_per_line - 1) / b64encode_chars_per_line;
01457 if (((nt + b64encode_chars_per_line - 1) % b64encode_chars_per_line) != 0)
01458 ++lc;
01459 nt += lc * strlen(b64encode_eolstr);
01460 }
01461
01462
01463 nt += 512;
01464
01465
01466 val = t = xmalloc(nt + 1);
01467 *t = '\0';
01468 t = stpcpy(t, "-----BEGIN PGP ");
01469 t = stpcpy(t, pgpValStr(pgpArmorTbl, atype));
01470
01471 t = stpcpy( stpcpy(t, "-----\nVersion: rpm-"), VERSION);
01472
01473 t = stpcpy(t, " (beecrypt-4.1.2)\n\n");
01474
01475 if ((enc = b64encode(s, ns)) != NULL) {
01476 t = stpcpy(t, enc);
01477 enc = _free(enc);
01478 if ((enc = b64crc(s, ns)) != NULL) {
01479 *t++ = '=';
01480 t = stpcpy(t, enc);
01481 enc = _free(enc);
01482 }
01483 }
01484
01485 t = stpcpy(t, "-----END PGP ");
01486 t = stpcpy(t, pgpValStr(pgpArmorTbl, atype));
01487 t = stpcpy(t, "-----\n");
01488
01489
01490 return val;
01491 }
01492
01493