diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/store_mem.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/store_mem.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/crypto/heimdal/lib/krb5/store_mem.c b/crypto/heimdal/lib/krb5/store_mem.c deleted file mode 100644 index e6e62b5..0000000 --- a/crypto/heimdal/lib/krb5/store_mem.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Copyright (c) 1997 - 2000, 2002 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "krb5_locl.h" -#include "store-int.h" - -RCSID("$Id: store_mem.c 20307 2007-04-11 11:16:28Z lha $"); - -typedef struct mem_storage{ - unsigned char *base; - size_t size; - unsigned char *ptr; -}mem_storage; - -static ssize_t -mem_fetch(krb5_storage *sp, void *data, size_t size) -{ - mem_storage *s = (mem_storage*)sp->data; - if(size > s->base + s->size - s->ptr) - size = s->base + s->size - s->ptr; - memmove(data, s->ptr, size); - sp->seek(sp, size, SEEK_CUR); - return size; -} - -static ssize_t -mem_store(krb5_storage *sp, const void *data, size_t size) -{ - mem_storage *s = (mem_storage*)sp->data; - if(size > s->base + s->size - s->ptr) - size = s->base + s->size - s->ptr; - memmove(s->ptr, data, size); - sp->seek(sp, size, SEEK_CUR); - return size; -} - -static ssize_t -mem_no_store(krb5_storage *sp, const void *data, size_t size) -{ - return -1; -} - -static off_t -mem_seek(krb5_storage *sp, off_t offset, int whence) -{ - mem_storage *s = (mem_storage*)sp->data; - switch(whence){ - case SEEK_SET: - if(offset > s->size) - offset = s->size; - if(offset < 0) - offset = 0; - s->ptr = s->base + offset; - break; - case SEEK_CUR: - return sp->seek(sp, s->ptr - s->base + offset, SEEK_SET); - case SEEK_END: - return sp->seek(sp, s->size + offset, SEEK_SET); - default: - errno = EINVAL; - return -1; - } - return s->ptr - s->base; -} - -krb5_storage * KRB5_LIB_FUNCTION -krb5_storage_from_mem(void *buf, size_t len) -{ - krb5_storage *sp = malloc(sizeof(krb5_storage)); - mem_storage *s; - if(sp == NULL) - return NULL; - s = malloc(sizeof(*s)); - if(s == NULL) { - free(sp); - return NULL; - } - sp->data = s; - sp->flags = 0; - sp->eof_code = HEIM_ERR_EOF; - s->base = buf; - s->size = len; - s->ptr = buf; - sp->fetch = mem_fetch; - sp->store = mem_store; - sp->seek = mem_seek; - sp->free = NULL; - return sp; -} - -krb5_storage * KRB5_LIB_FUNCTION -krb5_storage_from_data(krb5_data *data) -{ - return krb5_storage_from_mem(data->data, data->length); -} - -krb5_storage * KRB5_LIB_FUNCTION -krb5_storage_from_readonly_mem(const void *buf, size_t len) -{ - krb5_storage *sp = malloc(sizeof(krb5_storage)); - mem_storage *s; - if(sp == NULL) - return NULL; - s = malloc(sizeof(*s)); - if(s == NULL) { - free(sp); - return NULL; - } - sp->data = s; - sp->flags = 0; - sp->eof_code = HEIM_ERR_EOF; - s->base = rk_UNCONST(buf); - s->size = len; - s->ptr = rk_UNCONST(buf); - sp->fetch = mem_fetch; - sp->store = mem_no_store; - sp->seek = mem_seek; - sp->free = NULL; - return sp; -} |
