X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/d5ee45b742e49fa30cc8d0a5a69ee47c8c5b1eb5..8d14d66b84cc370cefe54b33de1b95bb49c90bf6:/keyindex.c diff --git a/keyindex.c b/keyindex.c index a8f9193..0cc9edd 100644 --- a/keyindex.c +++ b/keyindex.c @@ -1,52 +1,62 @@ /* * keyindex.c - Routines to list an OpenPGP key. * - * Jonathan McDowell - * - * Copyright 2002 Project Purple + * Copyright 2002-2008 Jonathan McDowell */ -#include +#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" +#include "log.h" +#include "onak-conf.h" int list_sigs(struct openpgp_packet_list *sigs, bool html) { char *uid = NULL; uint64_t sigid = 0; + char *sig = NULL; while (sigs != NULL) { sigid = sig_keyid(sigs->packet); - uid = keyid2uid(sigid); + uid = config.dbbackend->keyid2uid(sigid); + if (sigs->packet->data[0] == 4 && + sigs->packet->data[1] == 0x30) { + /* It's a Type 4 sig revocation */ + sig = "rev"; + } else { + sig = "sig"; + } if (html && uid != NULL) { - printf("sig %08llX " - "" - "%s\n", - sigid & 0xFFFFFFFF, - sigid & 0xFFFFFFFF, + printf("%s %08" PRIX64 + " " + "%s\n", + sig, + sigid, sigid & 0xFFFFFFFF, + sigid, txt2html(uid)); } else if (html && uid == NULL) { - printf("sig %08llX " + printf("%s %08" PRIX64 " " "[User id not found]\n", + sig, sigid & 0xFFFFFFFF); } else { - printf("sig %08llX" + printf("%s %08" PRIX64 " %s\n", + sig, sigid & 0xFFFFFFFF, (uid != NULL) ? uid : "[User id not found]"); @@ -61,20 +71,31 @@ int list_sigs(struct openpgp_packet_list *sigs, bool html) return 0; } -int list_uids(struct openpgp_signedpacket_list *uids, bool verbose, bool html) +int list_uids(uint64_t keyid, struct openpgp_signedpacket_list *uids, + bool verbose, bool html) { char buf[1024]; + int imgindx = 0; while (uids != NULL) { if (uids->packet->tag == 13) { snprintf(buf, 1023, "%.*s", (int) uids->packet->length, uids->packet->data); - printf("uid %s\n", + printf(" %s\n", (html) ? txt2html(buf) : buf); } else if (uids->packet->tag == 17) { - printf("uid " - "[photo id]\n"); + printf(" "); + if (html) { + printf("\""\n", + keyid, + imgindx); + imgindx++; + } else { + printf("[photo id]\n"); + } } if (verbose) { list_sigs(uids->sigs, html); @@ -115,7 +136,8 @@ int list_subkeys(struct openpgp_signedpacket_list *subkeys, bool verbose, subkeys->packet->data[7]; break; default: - fprintf(stderr, "Unknown key type: %d\n", + logthing(LOGTHING_ERROR, + "Unknown key type: %d", subkeys->packet->data[0]); } @@ -139,6 +161,28 @@ int list_subkeys(struct openpgp_signedpacket_list *subkeys, bool verbose, 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. @@ -157,8 +201,10 @@ int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint, struct tm *created = NULL; time_t created_time = 0; int type = 0; + char typech; int length = 0; char buf[1024]; + uint64_t keyid; if (html) { puts("
");
@@ -184,35 +230,84 @@ 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 == 16) ? 'g' : 
-				((type == 17) ? 'D' : '?')),
-			(uint32_t) (get_keyid(keys) & 0xFFFFFFFF),
-			created->tm_year + 1900,
-			created->tm_mon + 1,
-			created->tm_mday);
+		keyid = get_keyid(keys);
+
+		switch (type) {
+		case 1:
+			typech = 'R';
+			break;
+		case 16:
+			typech = 'g';
+			break;
+		case 17:
+			typech = 'D';
+			break;
+		case 20:
+			typech = 'G';
+			break;
+		default:
+			typech = '?';
+			break;
+		}
+
+		if (html) {
+			printf("pub  %5d%c/%08" PRIX64
+				" %04d/%02d/%02d ",
+				length,
+				typech,
+				keyid,
+				keyid & 0xFFFFFFFF,
+				created->tm_year + 1900,
+				created->tm_mon + 1,
+				created->tm_mday);
+		} else {
+			printf("pub  %5d%c/%08" PRIX64 " %04d/%02d/%02d ",
+				length,
+				typech,
+				keyid & 0xFFFFFFFF,
+				created->tm_year + 1900,
+				created->tm_mon + 1,
+				created->tm_mday);
+		}
 
 		curuid = keys->uids;
 		if (curuid != NULL && curuid->packet->tag == 13) {
 			snprintf(buf, 1023, "%.*s",
 				(int) curuid->packet->length,
 				curuid->packet->data);
-			printf("%s\n", (html) ? txt2html(buf) : buf);
+			if (html) {
+				printf("",
+					keyid);
+			}
+			printf("%s%s%s\n", 
+				(html) ? txt2html(buf) : buf,
+				(html) ? "" : "",
+				(keys->revoked) ? " *** REVOKED ***" : "");
+			if (fingerprint) {
+				display_fingerprint(keys);
+			}
 			if (verbose) {
 				list_sigs(curuid->sigs, html);
 			}
 			curuid = curuid->next;
 		} else {
-			putchar('\n');
+			printf("%s\n", 
+				(keys->revoked) ? "*** REVOKED ***": "");
+			if (fingerprint) {
+				display_fingerprint(keys);
+			}
 		}
 
-		list_uids(curuid, verbose, html);
-		list_subkeys(keys->subkeys, verbose, html);
+		list_uids(keyid, curuid, verbose, html);
+		if (verbose) {
+			list_subkeys(keys->subkeys, verbose, html);
+		}
 
 		keys = keys->next;
 	}
@@ -224,215 +319,83 @@ int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint,
 	return 0;
 }
 
-/*
- *	parse_subpackets - Parse the subpackets of a Type 4 signature.
- *	@data: The subpacket data.
- *      @keyid: A pointer to where we should return the keyid.
- *
- *	This function parses the subkey data of a Type 4 signature and fills
- *	in the supplied variables. It also returns the length of the data
- *	processed.
- */
-int parse_subpackets(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;
-		case 23:
-			/*
-			 * Key server preferences. Including no-modify.
-			 */
-			break;
-		case 25:
-			/*
-			 * Primary UID.
-			 */
-			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.
+ *	mrkey_index - List a set of OpenPGP keys in the MRHKP format.
+ *	@keys: The keys to display.
  *
- *	Returns a linked list of stats_key elements containing the sigs on the
- *	supplied OpenPGP packet list.
+ *	This function takes a list of OpenPGP public keys and displays a
+ *	machine readable list of them.
  */
-struct ll *keysigs(struct ll *curll,
-		struct openpgp_packet_list *sigs)
+int mrkey_index(struct openpgp_publickey *keys)
 {
-	uint64_t keyid = 0;
-	
-	while (sigs != NULL) {
-		keyid = sig_keyid(sigs->packet);
-		sigs = sigs->next;
-		curll = lladd(curll, createandaddtohash(keyid));
-	}
+	struct openpgp_signedpacket_list	*curuid = NULL;
+	time_t					 created_time = 0;
+	int					 type = 0;
+	int					 length = 0;
+	int					 i = 0;
+	size_t					 fplength = 0;
+	unsigned char				 fp[20];
+	int					 c;
 
-	return curll;
-}
+	while (keys != NULL) {
+		created_time = (keys->publickey->data[1] << 24) +
+					(keys->publickey->data[2] << 16) +
+					(keys->publickey->data[3] << 8) +
+					keys->publickey->data[4];
 
-/**
- *	sig_keyid - Return the keyid for a given OpenPGP signature packet.
- *	@packet: The signature packet.
- *
- *	Returns the keyid for the supplied signature packet.
- */
-uint64_t sig_keyid(struct openpgp_packet *packet)
-{
-	int length = 0;
-	uint64_t keyid = 0;
-	
-	if (packet != NULL) {
-		keyid = 0;
-		switch (packet->data[0]) {
+		printf("pub:");
+
+		switch (keys->publickey->data[0]) {
 		case 2:
 		case 3:
-			keyid = packet->data[7];
-			keyid <<= 8;
-			keyid += packet->data[8];
-			keyid <<= 8;
-			keyid += packet->data[9];
-			keyid <<= 8;
-			keyid += packet->data[10];
-			keyid <<= 8;
-			keyid += packet->data[11];
-			keyid <<= 8;
-			keyid += packet->data[12];
-			keyid <<= 8;
-			keyid += packet->data[13];
-			keyid <<= 8;
-			keyid += packet->data[14];
+			printf("%016" PRIX64, get_keyid(keys));
+			type = keys->publickey->data[7];
+			length = (keys->publickey->data[8] << 8) +
+					keys->publickey->data[9];
 			break;
 		case 4:
-			length = parse_subpackets(&packet->data[4],
-					&keyid);
-			parse_subpackets(&packet->data[length + 4],
-					&keyid);
-			/*
-			 * Don't bother to look at the unsigned packets.
-			 */
+			(void) get_fingerprint(keys->publickey, fp, &fplength);
+
+			for (i = 0; i < fplength; i++) {
+				printf("%02X", fp[i]);
+			}
+
+			type = keys->publickey->data[5];
+			length = (keys->publickey->data[6] << 8) +
+					keys->publickey->data[7];
 			break;
 		default:
-			break;
+			logthing(LOGTHING_ERROR, "Unknown key type: %d",
+				keys->publickey->data[0]);
 		}
-	}
-
-	return keyid;
-}
 
-/*
- * 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 *));
+		printf(":%d:%d:%ld::%s\n",
+			type,
+			length,
+			created_time,
+			(keys->revoked) ? "r" : "");
 	
-		curuid = key->uids;
-		while (curuid != NULL) {
-			buf[0] = 0;
+		for (curuid = keys->uids; curuid != NULL;
+			 curuid = curuid->next) {
+		
 			if (curuid->packet->tag == 13) {
-				snprintf(buf, 1023, "%.*s",
-						(int) curuid->packet->length,
-						curuid->packet->data);
-				uids[count++] = strdup(buf);
+				printf("uid:");
+				for (i = 0; i < (int) curuid->packet->length;
+						i++) {
+					c = curuid->packet->data[i];
+					if (c == '%') {
+						putchar('%');
+						putchar(c);
+					} else if (c == ':' || c > 127) {
+						printf("%%%X", c);
+					} else {
+						putchar(c);
+					}
+				}
+				printf("\n");
 			}
-			curuid = curuid -> next;
 		}
-		uids[count] = NULL;
-	}
-	/*
-	 * TODO: Parse subpackets for real primary ID (v4 keys)
-	 */
-	if (primary != NULL) {
-		*primary = uids[0];
+		keys = keys->next;
 	}
-
-	return uids;
+	return 0;
 }