r20640: Commit part 2/2

Update Heimdal to match current lorikeet-heimdal.  This includes
integrated PAC hooks, so Samba doesn't have to handle this any more.

This also brings in the PKINIT code, hence so many new files.

Andrew Bartlett
(This used to be commit 351f7040f7bb73b9a60b22b564686f7c2f98a729)

1 files changed, 223 insertions, 0 deletions

diff --git a/source4/heimdal/lib/hx509/ks_dir.c b/source4/heimdal/lib/hx509/ks_dir.c
new file mode 100644
index 0000000000..01dcf5795b
--- /dev/null
+++ b/source4/heimdal/lib/hx509/ks_dir.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2006 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 "hx_locl.h"
+RCSID("$Id: ks_dir.c,v 1.7 2007/01/09 10:52:08 lha Exp $");
+#include <dirent.h>
+
+/*
+ * The DIR keyset module is strange compared to the other modules
+ * since it does lazy evaluation and really doesn't keep any local
+ * state except for the directory iteration and cert iteration of
+ * files. DIR ignores most errors so that the consumer doesn't get
+ * failes for stray files in directories.
+ */
+
+struct dircursor {
+    DIR *dir;
+    hx509_certs certs;
+    void *iter;
+};
+
+/*
+ *
+ */
+
+static int
+dir_init(hx509_context context,
+	 hx509_certs certs, void **data, int flags, 
+	 const char *residue, hx509_lock lock)
+{
+    *data = NULL;
+
+    {
+	struct stat sb;
+	int ret;
+
+	ret = stat(residue, &sb);
+	if (ret == -1) {
+	    hx509_set_error_string(context, 0, ENOENT,
+				   "No such file %s", residue);
+	    return ENOENT;
+	}
+
+	if ((sb.st_mode & S_IFDIR) == 0) {
+	    hx509_set_error_string(context, 0, ENOTDIR,
+				   "%s is not a directory", residue);
+	    return ENOTDIR;
+	}
+    }
+
+    *data = strdup(residue);
+    if (*data == NULL) {
+	hx509_clear_error_string(context);
+	return ENOMEM;
+    }
+
+    return 0;
+}
+
+static int
+dir_free(hx509_certs certs, void *data)
+{
+    free(data);
+    return 0;
+}
+
+
+
+static int 
+dir_iter_start(hx509_context context,
+	       hx509_certs certs, void *data, void **cursor)
+{
+    struct dircursor *d;
+
+    *cursor = NULL;
+
+    d = calloc(1, sizeof(*d));
+    if (d == NULL) {
+	hx509_clear_error_string(context);
+	return ENOMEM;
+    }
+
+    d->dir = opendir(data);
+    if (d->dir == NULL) {
+	hx509_clear_error_string(context);
+	free(d);
+	return errno;
+    }
+    d->certs = NULL;
+    d->iter = NULL;
+
+    *cursor = d;
+    return 0;
+}
+
+static int
+dir_iter(hx509_context context,
+	 hx509_certs certs, void *data, void *iter, hx509_cert *cert)
+{
+    struct dircursor *d = iter;
+    int ret = 0;
+    
+    *cert = NULL;
+
+    do {
+	struct dirent *dir;
+	char *fn;
+
+	if (d->certs) {
+	    ret = hx509_certs_next_cert(context, d->certs, d->iter, cert);
+	    if (ret) {
+		hx509_certs_end_seq(context, d->certs, d->iter);
+		d->iter = NULL;
+		hx509_certs_free(&d->certs);
+		return ret;
+	    }
+	    if (*cert) {
+		ret = 0;
+		break;
+	    }
+	    hx509_certs_end_seq(context, d->certs, d->iter);
+	    d->iter = NULL;
+	    hx509_certs_free(&d->certs);
+	}
+
+	dir = readdir(d->dir);
+	if (dir == NULL) {
+	    ret = 0;
+	    break;
+	}
+	if (strcmp(dir->d_name, ".") == 0 || strcmp(dir->d_name, "..") == 0)
+	    continue;
+	
+	if (asprintf(&fn, "FILE:%s/%s", (char *)data, dir->d_name) == -1)
+	    return ENOMEM;
+	
+	ret = hx509_certs_init(context, fn, 0, NULL, &d->certs);
+	if (ret == 0) {
+
+	    ret = hx509_certs_start_seq(context, d->certs, &d->iter);
+	    if (ret)
+	    hx509_certs_free(&d->certs);
+	}
+	/* ignore errors */
+	if (ret) {
+	    d->certs = NULL;
+	    ret = 0;
+	}
+
+	free(fn);
+    } while(ret == 0);
+
+    return ret;
+}
+
+
+static int
+dir_iter_end(hx509_context context,
+	     hx509_certs certs,
+	     void *data,
+	     void *cursor)
+{
+    struct dircursor *d = cursor;
+
+    if (d->certs) {
+	hx509_certs_end_seq(context, d->certs, d->iter);
+	d->iter = NULL;
+	hx509_certs_free(&d->certs);
+    }
+    closedir(d->dir);
+    free(d);
+    return 0;
+}
+
+
+static struct hx509_keyset_ops keyset_dir = {
+    "DIR",
+    0,
+    dir_init,
+    NULL,
+    dir_free,
+    NULL,
+    NULL,
+    dir_iter_start,
+    dir_iter,
+    dir_iter_end
+};
+
+void
+_hx509_ks_dir_register(hx509_context context)
+{
+    _hx509_ks_register(context, &keyset_dir);
+}