X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/4860ab5af538fd20c7e92e01b883dbbc556863a5..f0a63a7442a69bd08130efcb03d5e4b18110b859:/keyid.c?ds=sidebyside diff --git a/keyid.c b/keyid.c index c75f0a1..d114852 100644 --- a/keyid.c +++ b/keyid.c @@ -24,7 +24,7 @@ #include "config.h" #include "keyid.h" #include "keystructs.h" -#include "log.h" +#include "onak.h" #include "parsekey.h" #include "mem.h" #include "merge.h" @@ -42,22 +42,22 @@ * get_keyid - Given a public key returns the keyid. * @publickey: The key to calculate the id for. */ -uint64_t get_keyid(struct openpgp_publickey *publickey) +onak_status_t get_keyid(struct openpgp_publickey *publickey, uint64_t *keyid) { - return (get_packetid(publickey->publickey)); + return (get_packetid(publickey->publickey, keyid)); } /** * get_fingerprint - Given a public key returns the fingerprint. * @publickey: The key to calculate the id for. - * @fingerprint: The fingerprint (must be at least 20 bytes of space). + * @fingerprint: The fingerprint (must be at least 20 bytes of space). * @len: The length of the returned fingerprint. * * This function returns the fingerprint for a given public key. As Type 3 * fingerprints are 16 bytes and Type 4 are 20 the len field indicates * which we've returned. */ -unsigned char *get_fingerprint(struct openpgp_packet *packet, +onak_status_t get_fingerprint(struct openpgp_packet *packet, unsigned char *fingerprint, size_t *len) { @@ -66,8 +66,10 @@ unsigned char *get_fingerprint(struct openpgp_packet *packet, unsigned char c; size_t modlen, explen; - log_assert(fingerprint != NULL); - log_assert(len != NULL); + if (fingerprint == NULL) + return ONAK_E_INVALID_PARAM; + if (len == NULL) + return ONAK_E_INVALID_PARAM; *len = 0; @@ -111,11 +113,10 @@ unsigned char *get_fingerprint(struct openpgp_packet *packet, break; default: - logthing(LOGTHING_ERROR, "Unknown key type: %d", - packet->data[0]); + return ONAK_E_UNKNOWN_VER; } - return fingerprint; + return ONAK_E_OK; } @@ -123,15 +124,15 @@ unsigned char *get_fingerprint(struct openpgp_packet *packet, * get_packetid - Given a PGP packet returns the keyid. * @packet: The packet to calculate the id for. */ -uint64_t get_packetid(struct openpgp_packet *packet) +onak_status_t get_packetid(struct openpgp_packet *packet, uint64_t *keyid) { - uint64_t keyid = 0; int offset = 0; int i = 0; size_t length = 0; unsigned char buff[20]; - log_assert(packet != NULL); + if (packet == NULL) + return ONAK_E_INVALID_PARAM; switch (packet->data[0]) { case 2: @@ -145,38 +146,34 @@ uint64_t get_packetid(struct openpgp_packet *packet) packet->data[9]; offset = ((offset + 7) / 8) + 2; - for (keyid = 0, i = 0; i < 8; i++) { - keyid <<= 8; - keyid += packet->data[offset++]; + for (*keyid = 0, i = 0; i < 8; i++) { + *keyid <<= 8; + *keyid += packet->data[offset++]; } /* - * Check for an RSA key; if not then log but accept anyway. + * Check for an RSA key; if not return an error. * 1 == RSA * 2 == RSA Encrypt-Only * 3 == RSA Sign-Only */ if (packet->data[7] < 1 || packet->data[7] > 3) { - logthing(LOGTHING_NOTICE, - "Type 2 or 3 key, but not RSA: %llx (type %d)", - keyid, - packet->data[7]); + return ONAK_E_INVALID_PKT; } break; case 4: get_fingerprint(packet, buff, &length); - for (keyid = 0, i = 12; i < 20; i++) { - keyid <<= 8; - keyid += buff[i]; + for (*keyid = 0, i = 12; i < 20; i++) { + *keyid <<= 8; + *keyid += buff[i]; } break; default: - logthing(LOGTHING_ERROR, "Unknown key type: %d", - packet->data[0]); + return ONAK_E_UNKNOWN_VER; } - return keyid; + return ONAK_E_OK; } static struct openpgp_packet_list *sortpackets(struct openpgp_packet_list @@ -200,7 +197,7 @@ static struct openpgp_packet_list *sortpackets(struct openpgp_packet_list return sorted; } -void get_skshash(struct openpgp_publickey *key, struct skshash *hash) +onak_status_t get_skshash(struct openpgp_publickey *key, struct skshash *hash) { struct openpgp_packet_list *packets = NULL, *list_end = NULL; struct openpgp_packet_list *curpacket; @@ -233,6 +230,8 @@ void get_skshash(struct openpgp_publickey *key, struct skshash *hash) md5_digest(&md5_context, 16, (uint8_t *) &hash->hash); free_packet_list(packets); + + return ONAK_E_OK; } uint8_t hexdigit(char c)