diff options
author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1999-03-31 20:30:56 +0000 |
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committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1999-03-31 20:30:56 +0000 |
commit | d1fea6f27045b8a981c435047f1298b6787eec33 (patch) | |
tree | c3b01419d6984fe046aa2a36f11b586b885911cb /sbin/isakmpd/prf.c | |
parent | 5e6f85f538f2bbaa36a7a77071d4bcc61aac3b2b (diff) |
Merge with EOM 1.5
Stylistic fixes
Diffstat (limited to 'sbin/isakmpd/prf.c')
-rw-r--r-- | sbin/isakmpd/prf.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/sbin/isakmpd/prf.c b/sbin/isakmpd/prf.c index 1405d12b309..d94a2175cd6 100644 --- a/sbin/isakmpd/prf.c +++ b/sbin/isakmpd/prf.c @@ -1,8 +1,8 @@ -/* $OpenBSD: prf.c,v 1.4 1999/02/26 03:49:27 niklas Exp $ */ -/* $EOM: prf.c,v 1.4 1999/02/25 11:39:19 niklas Exp $ */ +/* $OpenBSD: prf.c,v 1.5 1999/03/31 20:30:55 niklas Exp $ */ +/* $EOM: prf.c,v 1.5 1999/03/31 20:17:38 niklas Exp $ */ /* - * Copyright (c) 1998 Niels Provos. All rights reserved. + * Copyright (c) 1998, 1999 Niels Provos. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -74,55 +74,54 @@ prf_hash_final (unsigned char *digest, struct prf_hash_ctx *ctx) * Obtain a Pseudo-Random Function for us. At the moment this is * the HMAC version of a hash. See RFC-2104 for reference. */ - struct prf * prf_alloc (enum prfs type, int subtype, char *shared, int sharedsize) { struct hash *hash; struct prf *prf; + struct prf_hash_ctx *prfctx; switch (type) { case PRF_HMAC: hash = hash_get (subtype); - if (hash == NULL) - return NULL; + if (!hash) + return 0; break; default: - log_print ("Unkown PRF type %d in prf_alloc()", type); - return NULL; + log_print ("prf_alloc: unknown PRF type %d", type); + return 0; } - if ((prf = malloc (sizeof (struct prf))) == NULL) + prf = malloc (sizeof *prf); + if (!prf) { - log_print ("Out of memory for struct prf in prf_alloc()"); - return NULL; + log_error ("prf_alloc: malloc (%d) failed", sizeof *prf); + return 0; } if (type == PRF_HMAC) { - struct prf_hash_ctx *prfctx; - - /* Obtain needed memory */ - prfctx = malloc (sizeof (struct prf_hash_ctx)); - if (prfctx == NULL) + /* Obtain needed memory. */ + prfctx = malloc (sizeof *prfctx); + if (!prfctx) { - log_print ("Out of memory for struct prf_hash_ctx in prf_alloc()"); + log_error ("prf_alloc: malloc (%d) failed", sizeof *prfctx); goto cleanprf; } prf->prfctx = prfctx; prfctx->ctx = malloc (hash->ctxsize); - if (prfctx->ctx == NULL) + if (!prfctx->ctx) { - log_print ("Out of memory for ctx in prf_alloc()"); + log_error ("prf_alloc: malloc (%d) failed", hash->ctxsize); goto cleanprfctx; } prfctx->ctx2 = malloc (hash->ctxsize); - if (prfctx->ctx2 == NULL) + if (!prfctx->ctx2) { - log_print ("Out of memory for ctx2 in prf_alloc()"); + log_error ("prf_alloc: malloc (%d) failed", hash->ctxsize); free (prfctx->ctx); goto cleanprfctx; } @@ -130,16 +129,16 @@ prf_alloc (enum prfs type, int subtype, char *shared, int sharedsize) prf->blocksize = hash->hashsize; prfctx->hash = hash; - /* Use the correct function pointers */ - prf->Init = (void (*) (void *)) prf_hash_init; + /* Use the correct function pointers. */ + prf->Init = (void (*) (void *))prf_hash_init; prf->Update - = (void (*) (void *, unsigned char *, unsigned int)) prf_hash_update; - prf->Final = (void (*) (unsigned char *, void *)) prf_hash_final; + = (void (*) (void *, unsigned char *, unsigned int))prf_hash_update; + prf->Final = (void (*) (unsigned char *, void *))prf_hash_final; - /* Init HMAC contexts */ + /* Init HMAC contexts. */ hash->HMACInit (hash, shared, sharedsize); - /* Save contexts */ + /* Save contexts. */ memcpy (prfctx->ctx, hash->ctx, hash->ctxsize); memcpy (prfctx->ctx2, hash->ctx2, hash->ctxsize); } @@ -150,16 +149,17 @@ prf_alloc (enum prfs type, int subtype, char *shared, int sharedsize) free (prf->prfctx); cleanprf: free (prf); - return NULL; + return 0; } - +/* Deallocate the PRF pointed to by PRF. */ void prf_free (struct prf *prf) { + struct prf_hash_ctx *prfctx = prf->prfctx; + if (prf->type == PRF_HMAC) { - struct prf_hash_ctx *prfctx = prf->prfctx; free (prfctx->ctx2); free (prfctx->ctx); } |