Files
pcp/libpcp/keyhash.c

121 lines
3.5 KiB
C

/*
This file is part of Pretty Curved Privacy (pcp1).
Copyright (C) 2013-2016 T.v.Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact me by mail: <tlinden AT cpan DOT org>.
*/
#include "keyhash.h"
#include "util.h"
void pcphash_del(PCPCTX *ptx, void *key, int type) {
if(type == PCP_KEY_TYPE_SECRET) {
HASH_DEL(ptx->pcpkey_hash, (pcp_key_t *)key);
memset(key, 0, sizeof(pcp_key_t));
sodium_munlock(key, sizeof(pcp_key_t));
}
else if(type == PCP_KEYSIG_NATIVE || type == PCP_KEYSIG_PBP) {
pcp_keysig_t *keysig = (pcp_keysig_t *)key;
memset(keysig->blob, 0, keysig->size);
free(keysig->blob);
HASH_DEL(ptx->pcpkeysig_hash, (pcp_keysig_t *)key);
}
else {
HASH_DEL(ptx->pcppubkey_hash, (pcp_pubkey_t *)key);
memset(key, 0, sizeof(pcp_pubkey_t));
sodium_munlock(key, sizeof(pcp_pubkey_t));
}
free(key);
}
void pcphash_clean(PCPCTX *ptx) {
if(ptx->pcpkey_hash != NULL) {
pcp_key_t *current_key, *tmp;
HASH_ITER(hh, ptx->pcpkey_hash, current_key, tmp) {
pcphash_del(ptx, current_key, PCP_KEY_TYPE_SECRET);
}
}
if(ptx->pcppubkey_hash != NULL) {
pcp_pubkey_t *current_pub, *ptmp;
HASH_ITER(hh, ptx->pcppubkey_hash, current_pub, ptmp) {
pcphash_del(ptx, current_pub, PCP_KEY_TYPE_PUBLIC);
}
}
if(ptx->pcpkeysig_hash != NULL) {
pcp_keysig_t *current_keysig, *tmp;
HASH_ITER(hh, ptx->pcpkeysig_hash, current_keysig, tmp) {
pcphash_del(ptx, current_keysig, current_keysig->type);
}
}
}
void pcphash_cleanpub(pcp_pubkey_t *pub) {
pcp_pubkey_t *current_pub, *ptmp;
HASH_ITER(hh, pub, current_pub, ptmp) {
HASH_DEL(pub, (pcp_pubkey_t *)current_pub);
memset(current_pub, 0, sizeof(pcp_pubkey_t));
free(current_pub);
}
}
pcp_keysig_t *pcphash_keysigexists(PCPCTX *ptx, char *id) {
pcp_keysig_t *keysig = NULL;
HASH_FIND_STR(ptx->pcpkeysig_hash, id, keysig);
return keysig; /* maybe NULL! */
}
pcp_key_t *pcphash_keyexists(PCPCTX *ptx, char *id) {
pcp_key_t *key = NULL;
HASH_FIND_STR(ptx->pcpkey_hash, id, key);
return key; /* maybe NULL! */
}
pcp_pubkey_t *pcphash_pubkeyexists(PCPCTX *ptx, char *id) {
pcp_pubkey_t *key = NULL;
HASH_FIND_STR(ptx->pcppubkey_hash, id, key);
return key; /* maybe NULL! */
}
void pcphash_add(PCPCTX *ptx, void *key, int type) {
if(type == PCP_KEY_TYPE_PUBLIC) {
pcp_pubkey_t *k = (pcp_pubkey_t *)key;
sodium_mlock(key, sizeof(pcp_pubkey_t));
HASH_ADD_STR( ptx->pcppubkey_hash, id, k );
}
else if(type == PCP_KEYSIG_NATIVE || type == PCP_KEYSIG_PBP) {
pcp_keysig_t *keysig = (pcp_keysig_t *)key;
HASH_ADD_STR( ptx->pcpkeysig_hash, id, keysig);
}
else {
pcp_key_t *k = (pcp_key_t *)key;
sodium_mlock(key, sizeof(pcp_key_t));
HASH_ADD_STR( ptx->pcpkey_hash, id, k);
}
}
int pcphash_count(PCPCTX *ptx) {
return HASH_COUNT(ptx->pcpkey_hash);
}
int pcphash_countpub(PCPCTX *ptx) {
return HASH_COUNT(ptx->pcppubkey_hash);
}