X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/e02c731dfbb288c736f2cd09a9b6df0507c59ddd..1aa3569ed8afe434ef0ae75799e962fe7f58b6d5:/keyindex.c?ds=inline diff --git a/keyindex.c b/keyindex.c index a1bbe2e..8277866 100644 --- a/keyindex.c +++ b/keyindex.c @@ -7,182 +7,53 @@ */ #include +#include #include #include #include #include #include +#include "decodekey.h" #include "getcgi.h" #include "hash.h" #include "keydb.h" #include "keyid.h" #include "keyindex.h" #include "keystructs.h" -#include "ll.h" -#include "stats.h" - -int parse_subpackets(unsigned char *data, bool html) -{ - int offset = 0; - int length = 0; - int packetlen = 0; - char *uid; - - assert(data != NULL); - - length = (data[0] << 8) + data[1] + 2; - - offset = 2; - while (offset < length) { - packetlen = data[offset++]; - if (packetlen > 191 && packetlen < 255) { - packetlen = ((packetlen - 192) << 8) + - data[offset++] + 192; - } else if (packetlen == 255) { - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - } - switch (data[offset]) { - case 2: - /* - * Signature creation time. Might want to output this? - */ - break; - case 16: - uid = keyid2uid( - ((uint64_t) data[offset+packetlen - 8] << 56) + - ((uint64_t) data[offset+packetlen - 7] << 48) + - ((uint64_t) data[offset+packetlen - 6] << 40) + - ((uint64_t) data[offset+packetlen - 5] << 32) + - ((uint64_t) data[offset+packetlen - 4] << 24) + - ((uint64_t) data[offset+packetlen - 3] << 16) + - ((uint64_t) data[offset+packetlen - 2] << 8) + - data[offset+packetlen - 1]); - if (html && uid != NULL) { - printf("sig " - "%02X%02X%02X%02X " - "" - "%s\n", - data[offset+packetlen - 4], - data[offset+packetlen - 3], - data[offset+packetlen - 2], - data[offset+packetlen - 1], - data[offset+packetlen - 4], - data[offset+packetlen - 3], - data[offset+packetlen - 2], - data[offset+packetlen - 1], - - data[offset+packetlen - 4], - data[offset+packetlen - 3], - data[offset+packetlen - 2], - data[offset+packetlen - 1], - txt2html(uid)); - } else if (html && uid == NULL) { - printf("sig " - "%02X%02X%02X%02X " - "[User id not found]\n", - data[offset+packetlen - 4], - data[offset+packetlen - 3], - data[offset+packetlen - 2], - data[offset+packetlen - 1]); - } else { - printf("sig %02X%02X%02X%02X" - " %s\n", - data[offset+packetlen - 4], - data[offset+packetlen - 3], - data[offset+packetlen - 2], - data[offset+packetlen - 1], - (uid != NULL) ? uid : - "[User id not found]"); - } - break; - default: - /* - * We don't care about unrecognized packets unless bit - * 7 is set in which case we prefer an error than - * ignoring it. - */ - assert(!(data[offset] & 0x80)); - } - offset += packetlen; - } - - return length; -} +#include "log.h" int list_sigs(struct openpgp_packet_list *sigs, bool html) { - int length = 0; - char *uid; + char *uid = NULL; + uint64_t sigid = 0; while (sigs != NULL) { - switch (sigs->packet->data[0]) { - case 2: - case 3: - uid = keyid2uid( - ((uint64_t) sigs->packet->data[7] << 56) + - ((uint64_t) sigs->packet->data[8] << 48) + - ((uint64_t) sigs->packet->data[9] << 40) + - ((uint64_t) sigs->packet->data[10] << 32) + - ((uint64_t) sigs->packet->data[11] << 24) + - ((uint64_t) sigs->packet->data[12] << 16) + - ((uint64_t) sigs->packet->data[13] << 8) + - sigs->packet->data[14]); - if (html && uid != NULL) { - printf("sig " - "%02X%02X%02X%02X " - "" - "%s\n", - sigs->packet->data[11], - sigs->packet->data[12], - sigs->packet->data[13], - sigs->packet->data[14], - sigs->packet->data[11], - sigs->packet->data[12], - sigs->packet->data[13], - sigs->packet->data[14], - - sigs->packet->data[11], - sigs->packet->data[12], - sigs->packet->data[13], - sigs->packet->data[14], - txt2html(uid)); - } else if (html && uid == NULL) { - printf("sig %02X%02X%02X%02X" - " " - "[User id not found]\n", - sigs->packet->data[11], - sigs->packet->data[12], - sigs->packet->data[13], - sigs->packet->data[14]); - } else { - printf("sig %02X%02X%02X%02X" - " %s\n", - sigs->packet->data[11], - sigs->packet->data[12], - sigs->packet->data[13], - sigs->packet->data[14], - (uid != NULL) ? uid : - "[User id not found]"); - } - break; - case 4: - length = parse_subpackets(&sigs->packet->data[4], html); - parse_subpackets(&sigs->packet->data[length + 4], html); - break; - default: - printf("sig [Unknown packet version %d]", - sigs->packet->data[0]); + sigid = sig_keyid(sigs->packet); + uid = keyid2uid(sigid); + if (html && uid != NULL) { + printf("sig %08llX " + "" + "%s\n", + sigid & 0xFFFFFFFF, + sigid & 0xFFFFFFFF, + sigid & 0xFFFFFFFF, + txt2html(uid)); + } else if (html && uid == NULL) { + printf("sig %08llX " + "[User id not found]\n", + sigid & 0xFFFFFFFF); + } else { + printf("sig %08llX" + " %s\n", + sigid & 0xFFFFFFFF, + (uid != NULL) ? uid : + "[User id not found]"); + } + if (uid != NULL) { + free(uid); + uid = NULL; } sigs = sigs->next; } @@ -214,6 +85,84 @@ int list_uids(struct openpgp_signedpacket_list *uids, bool verbose, bool html) return 0; } +int list_subkeys(struct openpgp_signedpacket_list *subkeys, bool verbose, + bool html) +{ + struct tm *created = NULL; + time_t created_time = 0; + int type = 0; + int length = 0; + + while (subkeys != NULL) { + if (subkeys->packet->tag == 14) { + + created_time = (subkeys->packet->data[1] << 24) + + (subkeys->packet->data[2] << 16) + + (subkeys->packet->data[3] << 8) + + subkeys->packet->data[4]; + created = gmtime(&created_time); + + switch (subkeys->packet->data[0]) { + case 2: + case 3: + type = subkeys->packet->data[7]; + length = (subkeys->packet->data[8] << 8) + + subkeys->packet->data[9]; + break; + case 4: + type = subkeys->packet->data[5]; + length = (subkeys->packet->data[6] << 8) + + subkeys->packet->data[7]; + break; + default: + logthing(LOGTHING_ERROR, + "Unknown key type: %d", + subkeys->packet->data[0]); + } + + printf("sub %5d%c/%08X %04d/%02d/%02d\n", + length, + (type == 1) ? 'R' : ((type == 16) ? 'g' : + ((type == 17) ? 'D' : '?')), + (uint32_t) (get_packetid(subkeys->packet) & + 0xFFFFFFFF), + created->tm_year + 1900, + created->tm_mon + 1, + created->tm_mday); + + } + if (verbose) { + list_sigs(subkeys->sigs, html); + } + subkeys = subkeys->next; + } + + return 0; +} + +void display_fingerprint(struct openpgp_publickey *key) +{ + int i = 0; + size_t length = 0; + unsigned char fp[20]; + + get_fingerprint(key->publickey, fp, &length); + printf(" Key fingerprint ="); + for (i = 0; i < length; i++) { + if ((length == 16) || + (i % 2 == 0)) { + printf(" "); + } + printf("%02X", fp[i]); + if ((i * 2) == length) { + printf(" "); + } + } + printf("\n"); + + return; +} + /** * key_index - List a set of OpenPGP keys. * @keys: The keys to display. @@ -258,13 +207,14 @@ int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint, keys->publickey->data[7]; break; default: - fprintf(stderr, "Unknown key type: %d\n", + logthing(LOGTHING_ERROR, "Unknown key type: %d", keys->publickey->data[0]); } printf("pub %5d%c/%08X %04d/%02d/%02d ", length, - (type == 1) ? 'R' : ((type == 17) ? 'D' : '?'), + (type == 1) ? 'R' : ((type == 16) ? 'g' : + ((type == 17) ? 'D' : '?')), (uint32_t) (get_keyid(keys) & 0xFFFFFFFF), created->tm_year + 1900, created->tm_mon + 1, @@ -276,17 +226,22 @@ int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint, (int) curuid->packet->length, curuid->packet->data); printf("%s\n", (html) ? txt2html(buf) : buf); + if (fingerprint) { + display_fingerprint(keys); + } if (verbose) { list_sigs(curuid->sigs, html); } curuid = curuid->next; } else { putchar('\n'); + if (fingerprint) { + display_fingerprint(keys); + } } list_uids(curuid, verbose, html); - - //TODO: List subkeys. + list_subkeys(keys->subkeys, verbose, html); keys = keys->next; } @@ -297,182 +252,3 @@ int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint, return 0; } - - -int get_subpackets_keyid(unsigned char *data, uint64_t *keyid) -{ - int offset = 0; - int length = 0; - int packetlen = 0; - - assert(data != NULL); - - length = (data[0] << 8) + data[1] + 2; - - offset = 2; - while (offset < length) { - packetlen = data[offset++]; - if (packetlen > 191 && packetlen < 255) { - packetlen = ((packetlen - 192) << 8) + - data[offset++] + 192; - } else if (packetlen == 255) { - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - packetlen <<= 8; - packetlen = data[offset++]; - } - switch (data[offset]) { - case 2: - /* - * Signature creation time. Might want to output this? - */ - break; - case 0x83: - /* - * Signature expiration time. Might want to output this? - */ - break; - case 16: - *keyid = data[offset+packetlen - 8]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 7]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 6]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 5]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 4]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 3]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 2]; - *keyid <<= 8; - *keyid += data[offset+packetlen - 1]; - break; - default: - /* - * We don't care about unrecognized packets unless bit - * 7 is set in which case we prefer an error than - * ignoring it. - */ - assert(!(data[offset] & 0x80)); - } - offset += packetlen; - } - - return length; -} - - -/** - * keysigs - Return the sigs on a given OpenPGP signature list. - * @curll: The current linked list. Can be NULL to create a new list. - * @sigs: The signature list we want the sigs on. - * - * Returns a linked list of stats_key elements containing the sigs on the - * supplied OpenPGP packet list. - */ -struct ll *keysigs(struct ll *curll, - struct openpgp_packet_list *sigs) -{ - int length = 0; - uint64_t keyid = 0; - - while (sigs != NULL) { - keyid = 0; - switch (sigs->packet->data[0]) { - case 2: - case 3: - keyid = sigs->packet->data[7]; - keyid <<= 8; - keyid += sigs->packet->data[8]; - keyid <<= 8; - keyid += sigs->packet->data[9]; - keyid <<= 8; - keyid += sigs->packet->data[10]; - keyid <<= 8; - keyid += sigs->packet->data[11]; - keyid <<= 8; - keyid += sigs->packet->data[12]; - keyid <<= 8; - keyid += sigs->packet->data[13]; - keyid <<= 8; - keyid += sigs->packet->data[14]; - break; - case 4: - length = get_subpackets_keyid(&sigs->packet->data[4], - &keyid); - get_subpackets_keyid(&sigs->packet->data[length + 4], - &keyid); - /* - * Don't bother to look at the unsigned packets. - */ - break; - default: - break; - } - sigs = sigs->next; - curll = lladd(curll, createandaddtohash(keyid)); - } - - return curll; -} - -/* - * TODO: Abstract out; all our linked lists should be generic and then we can - * llsize them. - */ -int spsize(struct openpgp_signedpacket_list *list) -{ - int size = 0; - struct openpgp_signedpacket_list *cur; - - for (cur = list; cur != NULL; cur = cur->next, size++) ; - - return size; -} - -/** - * keyuids - Takes a key and returns an array of its UIDs - * @key: The key to get the uids of. - * @primary: A pointer to store the primary UID in. - * - * keyuids takes a public key structure and builds an array of the UIDs - * on the key. It also attempts to work out the primary UID and returns a - * separate pointer to that particular element of the array. - */ -char **keyuids(struct openpgp_publickey *key, char **primary) -{ - struct openpgp_signedpacket_list *curuid = NULL; - char buf[1024]; - char **uids = NULL; - int count = 0; - - if (key != NULL && key->uids != NULL) { - uids = malloc((spsize(key->uids) + 1) * sizeof (char *)); - - curuid = key->uids; - while (curuid != NULL) { - buf[0] = 0; - if (curuid->packet->tag == 13) { - snprintf(buf, 1023, "%.*s", - (int) curuid->packet->length, - curuid->packet->data); - uids[count++] = strdup(buf); - } - curuid = curuid -> next; - } - uids[count] = NULL; - } - /* - * TODO: Parse subpackets for real primary ID (v4 keys) - */ - if (primary != NULL) { - *primary = uids[0]; - } - - return uids; -}