summaryrefslogtreecommitdiff
path: root/source4/heimdal/lib/krb5/store_fd.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/heimdal/lib/krb5/store_fd.c')
-rw-r--r--source4/heimdal/lib/krb5/store_fd.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/store_fd.c b/source4/heimdal/lib/krb5/store_fd.c
new file mode 100644
index 0000000000..46043a6761
--- /dev/null
+++ b/source4/heimdal/lib/krb5/store_fd.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 1997 - 2004 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_fd.c,v 1.12 2004/05/25 21:43:57 lha Exp $");
+
+typedef struct fd_storage {
+ int fd;
+} fd_storage;
+
+#define FD(S) (((fd_storage*)(S)->data)->fd)
+
+static ssize_t
+fd_fetch(krb5_storage * sp, void *data, size_t size)
+{
+ return net_read(FD(sp), data, size);
+}
+
+static ssize_t
+fd_store(krb5_storage * sp, const void *data, size_t size)
+{
+ return net_write(FD(sp), data, size);
+}
+
+static off_t
+fd_seek(krb5_storage * sp, off_t offset, int whence)
+{
+ return lseek(FD(sp), offset, whence);
+}
+
+static void
+fd_free(krb5_storage * sp)
+{
+ close(FD(sp));
+}
+
+krb5_storage * KRB5_LIB_FUNCTION
+krb5_storage_from_fd(int fd)
+{
+ krb5_storage *sp;
+
+ fd = dup(fd);
+ if (fd < 0)
+ return NULL;
+ sp = malloc(sizeof(krb5_storage));
+
+ if (sp == NULL)
+ return NULL;
+
+ sp->data = malloc(sizeof(fd_storage));
+ if (sp->data == NULL) {
+ free(sp);
+ return NULL;
+ }
+ sp->flags = 0;
+ sp->eof_code = HEIM_ERR_EOF;
+ FD(sp) = fd;
+ sp->fetch = fd_fetch;
+ sp->store = fd_store;
+ sp->seek = fd_seek;
+ sp->free = fd_free;
+ return sp;
+}