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Diffstat (limited to 'crypto/heimdal/lib/krb5/fcache.c')
-rw-r--r--crypto/heimdal/lib/krb5/fcache.c431
1 files changed, 0 insertions, 431 deletions
diff --git a/crypto/heimdal/lib/krb5/fcache.c b/crypto/heimdal/lib/krb5/fcache.c
deleted file mode 100644
index df88e6f9c91ea..0000000000000
--- a/crypto/heimdal/lib/krb5/fcache.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * Copyright (c) 1997, 1998, 1999 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"
-
-RCSID("$Id: fcache.c,v 1.22 1999/12/02 17:05:09 joda Exp $");
-
-typedef struct krb5_fcache{
- char *filename;
- int version;
-}krb5_fcache;
-
-struct fcc_cursor {
- int fd;
- krb5_storage *sp;
-};
-
-#define KRB5_FCC_FVNO_1 1
-#define KRB5_FCC_FVNO_2 2
-#define KRB5_FCC_FVNO_3 3
-#define KRB5_FCC_FVNO_4 4
-
-#define FCC_TAG_DELTATIME 1
-
-#define FCACHE(X) ((krb5_fcache*)(X)->data.data)
-
-#define FILENAME(X) (FCACHE(X)->filename)
-
-#define FCC_CURSOR(C) ((struct fcc_cursor*)(C))
-
-static char*
-fcc_get_name(krb5_context context,
- krb5_ccache id)
-{
- return FILENAME(id);
-}
-
-static krb5_error_code
-fcc_resolve(krb5_context context, krb5_ccache *id, const char *res)
-{
- krb5_fcache *f;
- f = malloc(sizeof(*f));
- if(f == NULL)
- return KRB5_CC_NOMEM;
- f->filename = strdup(res);
- if(f->filename == NULL){
- free(f);
- return KRB5_CC_NOMEM;
- }
- f->version = 0;
- (*id)->data.data = f;
- (*id)->data.length = sizeof(*f);
- return 0;
-}
-
-static krb5_error_code
-erase_file(const char *filename)
-{
- int fd;
- off_t pos;
- char buf[128];
-
- fd = open(filename, O_RDWR | O_BINARY);
- if(fd < 0){
- if(errno == ENOENT)
- return 0;
- else
- return errno;
- }
- pos = lseek(fd, 0, SEEK_END);
- lseek(fd, 0, SEEK_SET);
- memset(buf, 0, sizeof(buf));
- while(pos > 0)
- pos -= write(fd, buf, sizeof(buf));
- close(fd);
- unlink(filename);
- return 0;
-}
-
-static krb5_error_code
-fcc_gen_new(krb5_context context, krb5_ccache *id)
-{
- krb5_fcache *f;
- int fd;
- char *file;
- f = malloc(sizeof(*f));
- if(f == NULL)
- return KRB5_CC_NOMEM;
- asprintf(&file, "/tmp/krb5cc_XXXXXX"); /* XXX */
- if(file == NULL) {
- free(f);
- return KRB5_CC_NOMEM;
- }
- fd = mkstemp(file);
- if(fd < 0) {
- free(f);
- free(file);
- return errno;
- }
- close(fd);
- f->filename = file;
- f->version = 0;
- (*id)->data.data = f;
- (*id)->data.length = sizeof(*f);
- return 0;
-}
-
-static void
-storage_set_flags(krb5_context context, krb5_storage *sp, int vno)
-{
- int flags = 0;
- switch(vno) {
- case KRB5_FCC_FVNO_1:
- flags |= KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS;
- flags |= KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE;
- flags |= KRB5_STORAGE_HOST_BYTEORDER;
- break;
- case KRB5_FCC_FVNO_2:
- flags |= KRB5_STORAGE_HOST_BYTEORDER;
- break;
- case KRB5_FCC_FVNO_3:
- flags |= KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE;
- break;
- case KRB5_FCC_FVNO_4:
- break;
- default:
- krb5_abortx(context,
- "storage_set_flags called with bad vno (%x)", vno);
- }
- krb5_storage_set_flags(sp, flags);
-}
-
-static krb5_error_code
-fcc_initialize(krb5_context context,
- krb5_ccache id,
- krb5_principal primary_principal)
-{
- krb5_fcache *f = FCACHE(id);
- int ret;
- int fd;
- char *filename = f->filename;
-
- if((ret = erase_file(filename)))
- return ret;
-
- fd = open(filename, O_RDWR | O_CREAT | O_EXCL | O_BINARY, 0600);
- if(fd == -1)
- return errno;
- {
- krb5_storage *sp;
- sp = krb5_storage_from_fd(fd);
- if(context->fcache_vno != 0)
- f->version = context->fcache_vno;
- else
- f->version = KRB5_FCC_FVNO_4;
- krb5_store_int8(sp, 5);
- krb5_store_int8(sp, f->version);
- storage_set_flags(context, sp, f->version);
- if(f->version == KRB5_FCC_FVNO_4) {
- /* V4 stuff */
- if (context->kdc_sec_offset) {
- krb5_store_int16 (sp, 12); /* length */
- krb5_store_int16 (sp, FCC_TAG_DELTATIME); /* Tag */
- krb5_store_int16 (sp, 8); /* length of data */
- krb5_store_int32 (sp, context->kdc_sec_offset);
- krb5_store_int32 (sp, context->kdc_usec_offset);
- } else {
- krb5_store_int16 (sp, 0);
- }
- }
- krb5_store_principal(sp, primary_principal);
- krb5_storage_free(sp);
- }
- close(fd);
-
- return 0;
-}
-
-static krb5_error_code
-fcc_close(krb5_context context,
- krb5_ccache id)
-{
- free (FILENAME(id));
- krb5_data_free(&id->data);
- return 0;
-}
-
-static krb5_error_code
-fcc_destroy(krb5_context context,
- krb5_ccache id)
-{
- char *f;
- f = FILENAME(id);
-
- erase_file(f);
-
- return 0;
-}
-
-static krb5_error_code
-fcc_store_cred(krb5_context context,
- krb5_ccache id,
- krb5_creds *creds)
-{
- int fd;
- char *f;
-
- f = FILENAME(id);
-
- fd = open(f, O_WRONLY | O_APPEND | O_BINARY);
- if(fd < 0)
- return errno;
- {
- krb5_storage *sp;
- sp = krb5_storage_from_fd(fd);
- storage_set_flags(context, sp, FCACHE(id)->version);
- krb5_store_creds(sp, creds);
- krb5_storage_free(sp);
- }
- close(fd);
- return 0; /* XXX */
-}
-
-static krb5_error_code
-fcc_read_cred (krb5_context context,
- krb5_fcache *fc,
- krb5_storage *sp,
- krb5_creds *creds)
-{
- krb5_error_code ret;
-
- storage_set_flags(context, sp, fc->version);
-
- ret = krb5_ret_creds(sp, creds);
- return ret;
-}
-
-static krb5_error_code
-init_fcc (krb5_context context,
- krb5_fcache *fcache,
- krb5_storage **ret_sp,
- int *ret_fd)
-{
- int fd;
- int8_t pvno, tag;
- krb5_storage *sp;
-
- fd = open(fcache->filename, O_RDONLY | O_BINARY);
- if(fd < 0)
- return errno;
- sp = krb5_storage_from_fd(fd);
- krb5_ret_int8(sp, &pvno);
- if(pvno != 5) {
- krb5_storage_free(sp);
- close(fd);
- return KRB5_CCACHE_BADVNO;
- }
- krb5_ret_int8(sp, &tag); /* should not be host byte order */
- fcache->version = tag;
- storage_set_flags(context, sp, fcache->version);
- switch (tag) {
- case KRB5_FCC_FVNO_4: {
- int16_t length;
-
- krb5_ret_int16 (sp, &length);
- while(length > 0) {
- int16_t tag, data_len;
- int i;
- int8_t dummy;
-
- krb5_ret_int16 (sp, &tag);
- krb5_ret_int16 (sp, &data_len);
- switch (tag) {
- case FCC_TAG_DELTATIME :
- krb5_ret_int32 (sp, &context->kdc_sec_offset);
- krb5_ret_int32 (sp, &context->kdc_usec_offset);
- break;
- default :
- for (i = 0; i < data_len; ++i)
- krb5_ret_int8 (sp, &dummy);
- break;
- }
- length -= 4 + data_len;
- }
- break;
- }
- case KRB5_FCC_FVNO_3:
- case KRB5_FCC_FVNO_2:
- case KRB5_FCC_FVNO_1:
- break;
- default :
- krb5_storage_free (sp);
- close (fd);
- return KRB5_CCACHE_BADVNO;
- }
- *ret_sp = sp;
- *ret_fd = fd;
- return 0;
-}
-
-static krb5_error_code
-fcc_get_principal(krb5_context context,
- krb5_ccache id,
- krb5_principal *principal)
-{
- krb5_error_code ret;
- krb5_fcache *f = FCACHE(id);
- int fd;
- krb5_storage *sp;
-
- ret = init_fcc (context, f, &sp, &fd);
- if (ret)
- return ret;
- krb5_ret_principal(sp, principal);
- krb5_storage_free(sp);
- close(fd);
- return 0;
-}
-
-static krb5_error_code
-fcc_get_first (krb5_context context,
- krb5_ccache id,
- krb5_cc_cursor *cursor)
-{
- krb5_error_code ret;
- krb5_principal principal;
- krb5_fcache *f = FCACHE(id);
-
- *cursor = malloc(sizeof(struct fcc_cursor));
-
- ret = init_fcc (context, f, &FCC_CURSOR(*cursor)->sp,
- &FCC_CURSOR(*cursor)->fd);
- if (ret)
- return ret;
- krb5_ret_principal (FCC_CURSOR(*cursor)->sp, &principal);
- krb5_free_principal (context, principal);
- return 0;
-}
-
-static krb5_error_code
-fcc_get_next (krb5_context context,
- krb5_ccache id,
- krb5_cc_cursor *cursor,
- krb5_creds *creds)
-{
- return fcc_read_cred (context, FCACHE(id), FCC_CURSOR(*cursor)->sp, creds);
-}
-
-static krb5_error_code
-fcc_end_get (krb5_context context,
- krb5_ccache id,
- krb5_cc_cursor *cursor)
-{
- krb5_storage_free(FCC_CURSOR(*cursor)->sp);
- close (FCC_CURSOR(*cursor)->fd);
- free(*cursor);
- return 0;
-}
-
-static krb5_error_code
-fcc_remove_cred(krb5_context context,
- krb5_ccache id,
- krb5_flags which,
- krb5_creds *cred)
-{
- return 0; /* XXX */
-}
-
-static krb5_error_code
-fcc_set_flags(krb5_context context,
- krb5_ccache id,
- krb5_flags flags)
-{
- return 0; /* XXX */
-}
-
-static krb5_error_code
-fcc_get_version(krb5_context context,
- krb5_ccache id)
-{
- return FCACHE(id)->version;
-}
-
-const krb5_cc_ops krb5_fcc_ops = {
- "FILE",
- fcc_get_name,
- fcc_resolve,
- fcc_gen_new,
- fcc_initialize,
- fcc_destroy,
- fcc_close,
- fcc_store_cred,
- NULL, /* fcc_retrieve */
- fcc_get_principal,
- fcc_get_first,
- fcc_get_next,
- fcc_end_get,
- fcc_remove_cred,
- fcc_set_flags,
- fcc_get_version
-};
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