2 * Copyright (c) 2007-2013, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
11 * support for pubkey reading
15 #include <sys/types.h>
26 #include <rpm/rpmio.h>
27 #include <rpm/rpmpgp.h>
29 #include <rpm/header.h>
31 #include <rpm/rpmdb.h>
39 #include "repo_rpmdb.h"
40 #include "repo_pubkey.h"
42 #include "solv_pgpvrfy.h"
46 setutf8string(Repodata *repodata, Id handle, Id tag, const char *str)
48 if (str[solv_validutf8(str)])
50 char *ustr = solv_latin1toutf8(str); /* not utf8, assume latin1 */
51 repodata_set_str(repodata, handle, tag, ustr);
55 repodata_set_str(repodata, handle, tag, str);
59 r64dec1(char *p, unsigned int *vp, int *eofp)
69 if (x >= 'A' && x <= 'Z')
71 else if (x >= 'a' && x <= 'z')
73 else if (x >= '0' && x <= '9')
100 crc24(unsigned char *p, int len)
102 unsigned int crc = 0xb704ce;
108 for (i = 0; i < 8; i++)
109 if ((crc <<= 1) & 0x1000000)
112 return crc & 0xffffff;
116 unarmor(char *pubkey, unsigned char **pktp, int *pktlp, const char *startstr, const char *endstr)
118 char *p, *pubkeystart = pubkey;
120 unsigned char *buf, *bp;
127 l = strlen(startstr);
128 while (strncmp(pubkey, startstr, l) != 0)
130 pubkey = strchr(pubkey, '\n');
135 pubkey = strchr(pubkey, '\n');
138 /* skip header lines */
141 while (*pubkey == ' ' || *pubkey == '\t')
145 pubkey = strchr(pubkey, '\n');
150 p = strchr(pubkey, '=');
154 bp = buf = solv_malloc(l * 3 / 4 + 4);
158 pubkey = r64dec1(pubkey, &v, &eof);
168 while (*pubkey == ' ' || *pubkey == '\t' || *pubkey == '\n' || *pubkey == '\r')
171 if (*pubkey != '=' || (pubkey = r64dec1(pubkey + 1, &v, &eof)) == 0)
176 if (v != crc24(buf, bp - buf))
181 while (*pubkey == ' ' || *pubkey == '\t' || *pubkey == '\n' || *pubkey == '\r')
183 if (strncmp(pubkey, endstr, strlen(endstr)) != 0)
188 p = strchr(pubkey, '\n');
190 p = pubkey + strlen(pubkey);
193 return (p ? p + 1 : pubkey + strlen(pubkey)) - pubkeystart;
196 #define ARMOR_NLAFTER 16
199 armor(unsigned char *pkt, int pktl, const char *startstr, const char *endstr, const char *version)
201 static const char bintoasc[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
202 char *str = solv_malloc(strlen(startstr) + strlen(endstr) + strlen(version) + (pktl / 3) * 4 + (pktl / (ARMOR_NLAFTER * 3)) + 30);
207 v = crc24(pkt, pktl);
208 sprintf(p, "%s\nVersion: %s\n\n", startstr, version);
210 for (i = -1; pktl > 0; pktl -= 3)
212 if (++i == ARMOR_NLAFTER)
218 b = pktl > 1 ? *pkt++ : 0;
219 c = pktl > 2 ? *pkt++ : 0;
220 *p++ = bintoasc[a >> 2];
221 *p++ = bintoasc[(a & 3) << 4 | b >> 4];
222 *p++ = pktl > 1 ? bintoasc[(b & 15) << 2 | c >> 6] : '=';
223 *p++ = pktl > 2 ? bintoasc[c & 63] : '=';
227 *p++ = bintoasc[v >> 18 & 0x3f];
228 *p++ = bintoasc[v >> 12 & 0x3f];
229 *p++ = bintoasc[v >> 6 & 0x3f];
230 *p++ = bintoasc[v & 0x3f];
231 sprintf(p, "\n%s\n", endstr);
235 /* internal representation of a signature */
239 unsigned char issuer[8];
241 unsigned int created;
242 unsigned int expires;
243 unsigned int keyexpires;
244 unsigned char *sigdata;
250 pgphashalgo2type(int algo)
253 return REPOKEY_TYPE_MD5;
255 return REPOKEY_TYPE_SHA1;
257 return REPOKEY_TYPE_SHA256;
259 return REPOKEY_TYPE_SHA384;
261 return REPOKEY_TYPE_SHA512;
263 return REPOKEY_TYPE_SHA224;
267 /* hash the pubkey/userid data for self-sig verification
268 * hash the final trailer
269 * create a "sigdata" block suitable for a call to solv_pgpverify */
271 pgpsig_makesigdata(struct pgpsig *sig, unsigned char *p, int l, unsigned char *pubkey, int pubkeyl, unsigned char *userid, int useridl, Chksum *h)
273 int type = sig->type;
275 const unsigned char *cs;
278 if (!h || sig->mpioff < 2 || l <= sig->mpioff)
280 if ((type >= 0x10 && type <= 0x13) || type == 0x1f || type == 0x18 || type == 0x20 || type == 0x28)
285 solv_chksum_add(h, b, 3);
286 solv_chksum_add(h, pubkey, pubkeyl);
288 if ((type >= 0x10 && type <= 0x13))
293 b[1] = useridl >> 24;
294 b[2] = useridl >> 16;
297 solv_chksum_add(h, b, 5);
299 solv_chksum_add(h, userid, useridl);
303 solv_chksum_add(h, p + 2, 5);
306 int hl = 6 + (p[4] << 8 | p[5]);
307 solv_chksum_add(h, p, hl);
314 solv_chksum_add(h, b, 6);
316 cs = solv_chksum_get(h, &csl);
317 if (cs[0] == p[sig->mpioff - 2] && cs[1] == p[sig->mpioff - 1])
319 int ml = l - sig->mpioff;
320 sig->sigdata = solv_malloc(2 + csl + ml);
321 sig->sigdatal = 2 + csl + ml;
322 sig->sigdata[0] = p[0] == 3 ? p[15] : p[2];
323 sig->sigdata[1] = p[0] == 3 ? p[16] : p[3];
324 memcpy(sig->sigdata + 2, cs, csl);
325 memcpy(sig->sigdata + 2 + csl, p + sig->mpioff, ml);
329 /* parse the header of a subpacket contained in a signature packet
330 * returns: length of the packet header, 0 if there was an error
331 * *pktlp is set to the packet length, the tag is the first byte.
334 parsesubpkglength(unsigned char *q, int ql, int *pktlp)
337 /* decode sub-packet length, ql must be > 0 */
346 if (ql < 5 || q[0] != 0)
348 sl = q[1] << 16 | q[2] << 8 | q[3];
355 sl = ((x - 192) << 8) + q[0] + 192;
358 if (!sl || ql < sl + hl) /* sub pkg tag is included in length, i.e. sl must not be zero */
364 /* parse a signature packet, initializing the pgpsig struct */
366 pgpsig_init(struct pgpsig *sig, unsigned char *p, int l)
368 memset(sig, 0, sizeof(*sig));
372 /* printf("V3 signature packet\n"); */
373 if (l <= 19 || p[1] != 5)
377 memcpy(sig->issuer, p + 7, 8);
378 sig->created = p[3] << 24 | p[4] << 16 | p[5] << 8 | p[6];
379 sig->hashalgo = p[16];
387 /* printf("V4 signature packet\n"); */
391 sig->hashalgo = p[3];
393 sig->keyexpires = -1;
394 for (j = 0; q && j < 2; j++)
401 ql = q[0] << 8 | q[1];
411 hl = parsesubpkglength(q, ql, &sl);
419 x = q[0] & 127; /* strip critical bit */
420 /* printf("%d SIGSUB %d %d\n", j, x, sl); */
421 if (x == 16 && sl == 9 && !sig->haveissuer)
424 memcpy(sig->issuer, q + 1, 8);
426 if (x == 2 && j == 0)
427 sig->created = q[1] << 24 | q[2] << 16 | q[3] << 8 | q[4];
428 if (x == 3 && j == 0)
429 sig->expires = q[1] << 24 | q[2] << 16 | q[3] << 8 | q[4];
430 if (x == 9 && j == 0)
431 sig->keyexpires = q[1] << 24 | q[2] << 16 | q[3] << 8 | q[4];
436 if (q && q - p + 2 < l)
437 sig->mpioff = q - p + 2;
441 /* parse a pgp packet header
442 * returns: length of the packet header, 0 if there was an error
443 * *tagp and *pktlp is set to the packet tag and the packet length
446 parsepkgheader(unsigned char *p, int pl, int *tagp, int *pktlp)
448 unsigned char *op = p;
455 if (!(x & 128) || pl <= 0)
459 *tagp = (x & 0x3c) >> 2; /* old format */
461 if (x > 4 || pl < x || (x == 4 && p[0]))
469 *tagp = (x & 0x3f); /* new format */
474 else if (x >= 192 && x < 224)
478 l = ((x - 192) << 8) + *p++ + 192;
483 if (pl <= 4 || p[0] != 0) /* sanity: p[0] must be zero */
485 l = p[1] << 16 | p[2] << 8 | p[3];
498 /* parse the first pubkey (possible creating new packages for the subkeys)
499 * returns the number of parsed bytes.
500 * if flags contains ADD_WITH_SUBKEYS, all subkeys will be added as new
501 * solvables as well */
503 parsepubkey(Solvable *s, Repodata *data, unsigned char *p, int pl, int flags)
505 Repo *repo = s->repo;
506 unsigned char *pstart = p;
508 unsigned char keyid[8];
509 char subkeyofstr[17];
510 unsigned int kcr = 0, maxex = 0, maxsigcr = 0;
511 unsigned char *pubkey = 0;
514 unsigned char *userid = 0;
516 unsigned char *pubdata = 0;
520 for (; ; p += l, pl -= l)
522 int hl = parsepkgheader(p, pl, &tag, &l);
523 if (!hl || (pubkey && (tag == 6 || tag == 14)))
527 repodata_set_num(data, s - repo->pool->solvables, SOLVABLE_BUILDTIME, kcr);
528 if (maxex && maxex != -1)
529 repodata_set_num(data, s - repo->pool->solvables, PUBKEY_EXPIRES, maxex);
530 s->name = pool_str2id(s->repo->pool, insubkey ? "gpg-subkey" : "gpg-pubkey", 1);
533 if (userid && useridl)
535 char *useridstr = solv_malloc(useridl + 1);
536 memcpy(useridstr, userid, useridl);
537 useridstr[useridl] = 0;
538 setutf8string(data, s - repo->pool->solvables, SOLVABLE_SUMMARY, useridstr);
544 char evr[8 + 1 + 8 + 1];
545 solv_bin2hex(keyid, 8, keyidstr);
546 repodata_set_str(data, s - repo->pool->solvables, PUBKEY_KEYID, keyidstr);
547 /* build rpm-style evr */
548 strcpy(evr, keyidstr + 8);
549 sprintf(evr + 8, "-%08x", maxsigcr);
550 s->evr = pool_str2id(repo->pool, evr, 1);
552 if (insubkey && *subkeyofstr)
553 repodata_set_str(data, s - repo->pool->solvables, PUBKEY_SUBKEYOF, subkeyofstr);
554 if (pubdata) /* set data blob */
555 repodata_set_binary(data, s - repo->pool->solvables, PUBKEY_DATA, pubdata, pubdatal);
560 p = 0; /* parse error */
563 if (tag == 6 || (tag == 14 && !(flags & ADD_WITH_SUBKEYS)))
565 if (tag == 14 && pubdata && !insubkey)
566 solv_bin2hex(keyid, 8, subkeyofstr);
567 /* create new solvable for subkey */
568 s = pool_id2solvable(repo->pool, repo_add_solvable(repo));
572 if (!pubkey && tag != 6)
574 if (tag == 6 || (tag == 14 && (flags & ADD_WITH_SUBKEYS) != 0)) /* Public-Key Packet */
578 pubkey = solv_memdup(p, l);
585 if (p[0] == 3 && l >= 10)
589 maxsigcr = kcr = p[1] << 24 | p[2] << 16 | p[3] << 8 | p[4];
593 ex = kcr + 24*3600 * (p[5] << 8 | p[6]);
598 if (p[7] == 1) /* RSA */
601 unsigned char fp[16];
605 ql = ((p[8] << 8 | p[9]) + 7) / 8; /* length of public modulus */
606 if (ql >= 8 && 10 + ql + 2 <= l)
608 memcpy(keyid, p + 10 + ql - 8, 8); /* keyid is last 64 bits of public modulus */
610 ql2 = ((q[0] << 8 | q[1]) + 7) / 8; /* length of encryption exponent */
611 if (10 + ql + 2 + ql2 <= l)
613 /* fingerprint is the md5 over the two MPI bodies */
614 h = solv_chksum_create(REPOKEY_TYPE_MD5);
615 solv_chksum_add(h, p + 10, ql);
616 solv_chksum_add(h, q + 2, ql2);
617 solv_chksum_free(h, fp);
618 solv_bin2hex(fp, 16, fpx);
619 repodata_set_str(data, s - s->repo->pool->solvables, PUBKEY_FINGERPRINT, fpx);
626 else if (p[0] == 4 && l >= 6)
629 unsigned char hdr[3];
630 unsigned char fp[20];
633 maxsigcr = kcr = p[1] << 24 | p[2] << 16 | p[3] << 8 | p[4];
637 /* fingerprint is the sha1 over the packet */
638 h = solv_chksum_create(REPOKEY_TYPE_SHA1);
639 solv_chksum_add(h, hdr, 3);
640 solv_chksum_add(h, p, l);
641 solv_chksum_free(h, fp);
642 solv_bin2hex(fp, 20, fpx);
643 repodata_set_str(data, s - s->repo->pool->solvables, PUBKEY_FINGERPRINT, fpx);
644 memcpy(keyid, fp + 12, 8); /* keyid is last 64 bits of fingerprint */
649 if (tag == 2) /* Signature Packet */
655 pgpsig_init(&sig, p, l);
656 if (!sig.haveissuer || !((sig.type >= 0x10 && sig.type <= 0x13) || sig.type == 0x1f))
658 if (sig.type >= 0x10 && sig.type <= 0x13 && !userid)
660 htype = pgphashalgo2type(sig.hashalgo);
661 if (htype && sig.mpioff)
663 Chksum *h = solv_chksum_create(htype);
664 pgpsig_makesigdata(&sig, p, l, pubkey, pubkeyl, userid, useridl, h);
665 solv_chksum_free(h, 0);
667 if (!memcmp(keyid, sig.issuer, 8))
669 #ifdef ENABLE_PGPVRFY
670 /* found self sig, verify */
671 if (solv_pgpvrfy(pubdata, pubdatal, sig.sigdata, sig.sigdatal))
674 if (sig.keyexpires && maxex != -1)
676 if (sig.keyexpires == -1)
678 else if (sig.keyexpires + kcr > maxex)
679 maxex = sig.keyexpires + kcr;
681 if (sig.created > maxsigcr)
682 maxsigcr = sig.created;
685 else if (flags & ADD_WITH_KEYSIGNATURES)
688 Id shandle = repodata_new_handle(data);
689 solv_bin2hex(sig.issuer, 8, issuerstr);
690 repodata_set_str(data, shandle, SIGNATURE_ISSUER, issuerstr);
692 repodata_set_num(data, shandle, SIGNATURE_TIME, sig.created);
694 repodata_set_num(data, shandle, SIGNATURE_EXPIRES, sig.created + sig.expires);
696 repodata_set_binary(data, shandle, SIGNATURE_DATA, sig.sigdata, sig.sigdatal);
697 repodata_add_flexarray(data, s - s->repo->pool->solvables, PUBKEY_SIGNATURES, shandle);
699 solv_free(sig.sigdata);
701 if (tag == 13 && !insubkey) /* User ID Packet */
703 userid = solv_realloc(userid, l);
705 memcpy(userid, p, l);
711 return p ? p - pstart : 0;
717 /* this is private to rpm, but rpm lacks an interface to retrieve
718 * the values. Sigh. */
719 struct pgpDigParams_s {
721 const unsigned char * hash;
722 #ifndef HAVE_PGPDIGGETPARAMS
723 const char * params[4];
726 unsigned char version; /*!< version number. */
727 unsigned char time[4]; /*!< time that the key was created. */
728 unsigned char pubkey_algo; /*!< public key algorithm. */
729 unsigned char hash_algo;
730 unsigned char sigtype;
731 unsigned char hashlen;
732 unsigned char signhash16[2];
733 unsigned char signid[8];
737 #ifndef HAVE_PGPDIGGETPARAMS
739 struct pgpDigParams_s signature;
740 struct pgpDigParams_s pubkey;
745 /* only rpm knows how to do the release calculation, we don't dare
746 * to recreate all the bugs in libsolv */
748 parsepubkey_rpm(Solvable *s, Repodata *data, unsigned char *pkts, int pktsl)
750 Pool *pool = s->repo->pool;
751 struct pgpDigParams_s *digpubkey;
754 char evrbuf[8 + 1 + 8 + 1];
760 dig = pgpDigNew(RPMVSF_DEFAULT, 0);
762 (void) pgpPrtPkts(pkts, pktsl, dig, 0);
763 #ifdef HAVE_PGPDIGGETPARAMS
764 digpubkey = pgpDigGetParams(dig, PGPTAG_PUBLIC_KEY);
766 digpubkey = &dig->pubkey;
770 btime = digpubkey->time[0] << 24 | digpubkey->time[1] << 16 | digpubkey->time[2] << 8 | digpubkey->time[3];
771 solv_bin2hex(digpubkey->signid, 8, keyid);
772 solv_bin2hex(digpubkey->signid + 4, 4, evrbuf);
774 solv_bin2hex(digpubkey->time, 4, evrbuf + 9);
775 s->evr = pool_str2id(pool, evrbuf, 1);
776 repodata_set_str(data, s - s->repo->pool->solvables, PUBKEY_KEYID, keyid);
777 if (digpubkey->userid)
778 setutf8string(data, s - s->repo->pool->solvables, SOLVABLE_SUMMARY, digpubkey->userid);
780 repodata_set_num(data, s - s->repo->pool->solvables, SOLVABLE_BUILDTIME, btime);
783 (void)pgpFreeDig(dig);
785 (void)pgpDigFree(dig);
789 #endif /* ENABLE_RPMDB */
791 /* parse an ascii armored pubkey
792 * adds multiple pubkeys if ADD_MULTIPLE_PUBKEYS is set */
794 pubkey2solvable(Pool *pool, Id p, Repodata *data, char *pubkey, int flags)
796 unsigned char *pkts, *pkts_orig;
797 int pktsl, pl = 0, tag, l, hl;
799 if (!unarmor(pubkey, &pkts, &pktsl, "-----BEGIN PGP PUBLIC KEY BLOCK-----", "-----END PGP PUBLIC KEY BLOCK-----"))
801 pool_error(pool, 0, "unarmor failure");
810 setutf8string(data, p, SOLVABLE_DESCRIPTION, pubkey);
811 pl = parsepubkey(pool->solvables + p, data, pkts, pktsl, flags);
813 parsepubkey_rpm(pool->solvables + p, data, pkts, pktsl);
815 if (!pl || !(flags & ADD_MULTIPLE_PUBKEYS))
820 hl = parsepkgheader(pkts, pktsl, &tag, &l);
825 p = repo_add_solvable(pool->solvables[p].repo);
827 solv_free((void *)pkts_orig);
834 repo_add_rpmdb_pubkeys(Repo *repo, int flags)
836 Pool *pool = repo->pool;
841 const char *rootdir = 0;
844 data = repo_add_repodata(repo, flags);
845 if (flags & REPO_USE_ROOTDIR)
846 rootdir = pool_get_rootdir(pool);
847 state = rpm_state_create(repo->pool, rootdir);
849 rpm_installedrpmdbids(state, "Name", "gpg-pubkey", &q);
850 for (i = 0; i < q.count; i++)
854 unsigned long long itime;
856 handle = rpm_byrpmdbid(state, q.elements[i]);
859 str = rpm_query(handle, SOLVABLE_DESCRIPTION);
862 p = repo_add_solvable(repo);
863 if (!pubkey2solvable(pool, p, data, str, flags))
866 repo_free_solvable(repo, p, 1);
870 itime = rpm_query_num(handle, SOLVABLE_INSTALLTIME, 0);
871 for (p2 = p; p2 < pool->nsolvables; p2++)
874 repodata_set_num(data, p2, SOLVABLE_INSTALLTIME, itime);
876 repo->rpmdbid = repo_sidedata_create(repo, sizeof(Id));
877 repo->rpmdbid[p2 - repo->start] = q.elements[i];
881 rpm_state_free(state);
882 if (!(flags & REPO_NO_INTERNALIZE))
883 repodata_internalize(data);
890 solv_slurp(FILE *fp, int *lenp)
896 for (l = 0; ; l += ll)
901 buf = solv_realloc(buf, bufl);
903 ll = fread(buf + l, 1, bufl - l, fp);
906 buf = solv_free(buf);
912 buf[l] = 0; /* always zero-terminate */
922 repo_add_pubkey(Repo *repo, const char *keyfile, int flags)
924 Pool *pool = repo->pool;
930 data = repo_add_repodata(repo, flags);
932 if ((fp = fopen(flags & REPO_USE_ROOTDIR ? pool_prepend_rootdir_tmp(pool, keyfile) : keyfile, "r")) == 0)
934 pool_error(pool, -1, "%s: %s", keyfile, strerror(errno));
937 if ((buf = solv_slurp(fp, 0)) == 0)
939 pool_error(pool, -1, "%s: %s", keyfile, strerror(errno));
944 p = repo_add_solvable(repo);
945 if (!pubkey2solvable(pool, p, data, buf, flags))
947 repo_free_solvable(repo, p, 1);
951 if (!(flags & REPO_NO_LOCATION))
954 for (p2 = p; p2 < pool->nsolvables; p2++)
955 repodata_set_location(data, p2, 0, 0, keyfile);
958 if (!(flags & REPO_NO_INTERNALIZE))
959 repodata_internalize(data);
964 is_sig_packet(unsigned char *sig, int sigl)
968 if ((sig[0] & 0x80) == 0 || (sig[0] & 0x40 ? sig[0] & 0x3f : sig[0] >> 2 & 0x0f) != 2)
974 is_pubkey_packet(unsigned char *pkt, int pktl)
978 if ((pkt[0] & 0x80) == 0 || (pkt[0] & 0x40 ? pkt[0] & 0x3f : pkt[0] >> 2 & 0x0f) != 6)
984 add_one_pubkey(Pool *pool, Repo *repo, Repodata *data, unsigned char *pbuf, int pbufl, int flags)
986 Id p = repo_add_solvable(repo);
987 char *solvversion = pool_tmpjoin(pool, "libsolv-", LIBSOLV_VERSION_STRING, 0);
988 char *descr = armor(pbuf, pbufl, "-----BEGIN PGP PUBLIC KEY BLOCK-----", "-----END PGP PUBLIC KEY BLOCK-----", solvversion);
989 setutf8string(data, p, SOLVABLE_DESCRIPTION, descr);
990 parsepubkey(pool->solvables + p, data, pbuf, pbufl, flags);
992 parsepubkey_rpm(pool->solvables + p, data, pbuf, pbufl);
997 repo_add_keyring(Repo *repo, FILE *fp, int flags)
999 Pool *pool = repo->pool;
1001 unsigned char *buf, *p, *pbuf;
1002 int bufl, l, pl, pbufl;
1004 data = repo_add_repodata(repo, flags);
1005 buf = (unsigned char *)solv_slurp(fp, &bufl);
1006 if (buf && !is_pubkey_packet(buf, bufl))
1008 /* assume ascii armored */
1009 unsigned char *nbuf = 0, *ubuf;
1012 for (l = 0; (nl = unarmor((char *)buf + l, &ubuf, &ubufl, "-----BEGIN PGP PUBLIC KEY BLOCK-----", "-----END PGP PUBLIC KEY BLOCK-----")) != 0; l += nl)
1014 /* found another block. concat. */
1015 nbuf = solv_realloc(nbuf, bufl + ubufl);
1017 memcpy(nbuf + bufl, ubuf, ubufl);
1024 /* now split into pubkey parts, ignoring the packets we don't know */
1027 for (p = buf; bufl; p += pl, bufl -= pl)
1030 int hl = parsepkgheader(p, bufl, &tag, &pl);
1036 /* found new pubkey! flush old */
1039 add_one_pubkey(pool, repo, data, pbuf, pbufl, flags);
1040 pbuf = solv_free(pbuf);
1044 if (tag != 6 && !pbufl)
1046 if (tag != 6 && tag != 2 && tag != 13 && tag != 14 && tag != 17)
1048 /* we want that packet. concat. */
1049 pbuf = solv_realloc(pbuf, pbufl + pl);
1050 memcpy(pbuf + pbufl, p, pl);
1054 add_one_pubkey(pool, repo, data, pbuf, pbufl, flags);
1057 if (!(flags & REPO_NO_INTERNALIZE))
1058 repodata_internalize(data);
1063 repo_add_keydir(Repo *repo, const char *keydir, const char *suffix, int flags)
1065 Pool *pool = repo->pool;
1068 struct dirent **namelist;
1071 data = repo_add_repodata(repo, flags);
1072 nent = scandir(flags & REPO_USE_ROOTDIR ? pool_prepend_rootdir_tmp(pool, keydir) : keydir, &namelist, 0, alphasort);
1074 return pool_error(pool, -1, "%s: %s", keydir, strerror(errno));
1075 rkeydir = pool_prepend_rootdir(pool, keydir);
1076 sl = suffix ? strlen(suffix) : 0;
1077 for (i = 0; i < nent; i++)
1079 const char *dn = namelist[i]->d_name;
1081 if (*dn == '.' && !(flags & ADD_KEYDIR_WITH_DOTFILES))
1084 if (sl && (l < sl || strcmp(dn + l - sl, suffix) != 0))
1086 repo_add_pubkey(repo, pool_tmpjoin(pool, rkeydir, "/", dn), flags | REPO_REUSE_REPODATA);
1089 for (i = 0; i < nent; i++)
1090 solv_free(namelist[i]);
1091 solv_free(namelist);
1092 if (!(flags & REPO_NO_INTERNALIZE))
1093 repodata_internalize(data);
1098 solvsig_create(FILE *fp)
1102 int sigl, hl, tag, pktl;
1103 struct pgpsig pgpsig;
1105 if ((sig = (unsigned char *)solv_slurp(fp, &sigl)) == 0)
1107 if (!is_sig_packet(sig, sigl))
1109 /* not a raw sig, check armored */
1110 unsigned char *nsig;
1111 if (!unarmor((char *)sig, &nsig, &sigl, "-----BEGIN PGP SIGNATURE-----", "-----END PGP SIGNATURE-----"))
1118 if (!is_sig_packet(sig, sigl))
1124 hl = parsepkgheader(sig, sigl, &tag, &pktl);
1125 if (!hl || tag != 2 || !pktl)
1130 pgpsig_init(&pgpsig, sig + hl, pktl);
1131 if (pgpsig.type != 0 || !pgpsig.haveissuer)
1136 ss = solv_calloc(1, sizeof(*ss));
1137 ss->sigpkt = solv_memdup(sig + hl, pktl);
1140 solv_bin2hex(pgpsig.issuer, 8, ss->keyid);
1141 ss->htype = pgphashalgo2type(pgpsig.hashalgo);
1142 ss->created = pgpsig.created;
1143 ss->expires = pgpsig.expires;
1148 solvsig_free(Solvsig *ss)
1150 solv_free(ss->sigpkt);
1155 repo_find_all_pubkeys_cmp(const void *va, const void *vb, void *dp)
1160 /* cannot use evrcmp, as rpm says '0' > 'a' */
1161 return strcmp(pool_id2str(pool, pool->solvables[b].evr), pool_id2str(pool, pool->solvables[a].evr));
1165 repo_find_all_pubkeys(Repo *repo, const char *keyid, Queue *q)
1174 FOR_REPO_SOLVABLES(repo, p, s)
1176 const char *kidstr, *evr = pool_id2str(s->repo->pool, s->evr);
1178 if (!evr || strncmp(evr, keyid + 8, 8) != 0)
1180 kidstr = solvable_lookup_str(s, PUBKEY_KEYID);
1181 if (kidstr && !strcmp(kidstr, keyid))
1185 solv_sort(q->elements, q->count, sizeof(Id), repo_find_all_pubkeys_cmp, repo->pool);
1189 repo_find_pubkey(Repo *repo, const char *keyid)
1194 repo_find_all_pubkeys(repo, keyid, &q);
1195 p = q.count ? q.elements[0] : 0;
1200 #ifdef ENABLE_PGPVRFY
1202 /* warning: does not check key expiry/revokation, same as with gpgv or rpm */
1203 /* returns the Id of the pubkey that verified the signature */
1205 repo_verify_sigdata(Repo *repo, unsigned char *sigdata, int sigdatal, const char *keyid)
1211 if (!sigdata || !keyid)
1214 repo_find_all_pubkeys(repo, keyid, &q);
1215 for (i = 0; i < q.count; i++)
1218 const unsigned char *pubdata = repo_lookup_binary(repo, q.elements[i], PUBKEY_DATA, &pubdatal);
1219 if (pubdata && solv_pgpvrfy(pubdata, pubdatal, sigdata, sigdatal))
1222 p = i < q.count? q.elements[i] : 0;
1228 solvsig_verify(Solvsig *ss, Repo *repo, Chksum *chk)
1230 struct pgpsig pgpsig;
1234 if (!chk || solv_chksum_isfinished(chk))
1236 pgpsig_init(&pgpsig, ss->sigpkt, ss->sigpktl);
1237 chk2 = solv_chksum_create_clone(chk);
1238 pgpsig_makesigdata(&pgpsig, ss->sigpkt, ss->sigpktl, 0, 0, 0, 0, chk2);
1239 solv_chksum_free(chk2, 0);
1240 if (!pgpsig.sigdata)
1242 p = repo_verify_sigdata(repo, pgpsig.sigdata, pgpsig.sigdatal, ss->keyid);
1243 solv_free(pgpsig.sigdata);