Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 164 insertions, 0 deletions

diff --git a/third_party/heimdal/kuser/copy_cred_cache.c b/third_party/heimdal/kuser/copy_cred_cache.c
new file mode 100644
index 0000000..1067000
--- /dev/null
+++ b/third_party/heimdal/kuser/copy_cred_cache.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 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 "kuser_locl.h"
+#include <config.h>
+#include <parse_units.h>
+#include <parse_time.h>
+#include "heimtools-commands.h"
+
+static int32_t
+bitswap32(int32_t b)
+{
+    int32_t r = 0;
+    int i;
+    for (i = 0; i < 32; i++) {
+	r = r << 1 | (b & 1);
+	b = b >> 1;
+    }
+    return r;
+}
+
+static void
+parse_ticket_flags(krb5_context context,
+		   const char *string, krb5_ticket_flags *ret_flags)
+{
+    TicketFlags ff;
+    int flags = parse_flags(string, asn1_TicketFlags_units(), 0);
+    if (flags == -1)	/* XXX */
+	krb5_errx(context, 1, "bad flags specified: \"%s\"", string);
+
+    memset(&ff, 0, sizeof(ff));
+    ff.proxy = 1;
+    if ((size_t)parse_flags("proxy", asn1_TicketFlags_units(), 0) == TicketFlags2int(ff))
+	ret_flags->i = flags;
+    else
+	ret_flags->i = bitswap32(flags);
+}
+
+struct ctx {
+    krb5_flags whichfields;
+    krb5_creds mcreds;
+};
+
+static krb5_boolean
+matchfunc(krb5_context context, void *ptr, const krb5_creds *creds)
+{
+    struct ctx *ctx = ptr;
+    if (krb5_compare_creds(context, ctx->whichfields, &ctx->mcreds, creds))
+	return TRUE;
+    return FALSE;
+}
+
+int
+copy_cred_cache(struct copy_cred_cache_options *opt, int argc, char **argv)
+{
+    krb5_error_code ret;
+    const char *from_name, *to_name;
+    krb5_ccache from_ccache, to_ccache;
+    unsigned int matched;
+    struct ctx ctx;
+
+    memset(&ctx, 0, sizeof(ctx));
+
+    if (opt->service_string) {
+	ret = krb5_parse_name(heimtools_context, opt->service_string, &ctx.mcreds.server);
+	if (ret)
+	    krb5_err(heimtools_context, 1, ret, "%s", opt->service_string);
+    }
+    if (opt->enctype_string) {
+	krb5_enctype enctype;
+	ret = krb5_string_to_enctype(heimtools_context, opt->enctype_string, &enctype);
+	if (ret)
+	    krb5_err(heimtools_context, 1, ret, "%s", opt->enctype_string);
+	ctx.whichfields |= KRB5_TC_MATCH_KEYTYPE;
+	ctx.mcreds.session.keytype = enctype;
+    }
+    if (opt->flags_string) {
+	parse_ticket_flags(heimtools_context, opt->flags_string, &ctx.mcreds.flags);
+	ctx.whichfields |= KRB5_TC_MATCH_FLAGS;
+    }
+    if (opt->valid_for_string) {
+	time_t t = parse_time(opt->valid_for_string, "s");
+	if(t < 0)
+	    errx(1, "unknown time \"%s\"", opt->valid_for_string);
+	krb5_timeofday(heimtools_context, &ctx.mcreds.times.endtime);
+	ctx.mcreds.times.endtime += t;
+	ctx.whichfields |= KRB5_TC_MATCH_TIMES;
+    }
+    if (opt->fcache_version_integer)
+	krb5_set_fcache_version(heimtools_context, opt->fcache_version_integer);
+
+    if (argc == 1) {
+	from_name = krb5_cc_default_name(heimtools_context);
+	to_name = argv[0];
+    } else {
+	from_name = argv[0];
+	to_name = argv[1];
+    }
+
+    ret = krb5_cc_resolve(heimtools_context, from_name, &from_ccache);
+    if (ret)
+	krb5_err(heimtools_context, 1, ret, "%s", from_name);
+
+    if (opt->krbtgt_only_flag) {
+	krb5_principal client;
+	ret = krb5_cc_get_principal(heimtools_context, from_ccache, &client);
+	if (ret)
+	    krb5_err(heimtools_context, 1, ret, "getting default principal");
+	ret = krb5_make_principal(heimtools_context, &ctx.mcreds.server,
+				  krb5_principal_get_realm(heimtools_context, client),
+				  KRB5_TGS_NAME,
+				  krb5_principal_get_realm(heimtools_context, client),
+				  NULL);
+	if (ret)
+	    krb5_err(heimtools_context, 1, ret, "constructing krbtgt principal");
+	krb5_free_principal(heimtools_context, client);
+    }
+    ret = krb5_cc_resolve(heimtools_context, to_name, &to_ccache);
+    if (ret)
+	krb5_err(heimtools_context, 1, ret, "%s", to_name);
+
+    ret = krb5_cc_copy_match_f(heimtools_context, from_ccache, to_ccache,
+			       matchfunc, &ctx, &matched);
+    if (ret)
+	krb5_err(heimtools_context, 1, ret, "copying cred cache");
+
+    krb5_cc_close(heimtools_context, from_ccache);
+    if(matched == 0)
+	krb5_cc_destroy(heimtools_context, to_ccache);
+    else
+	krb5_cc_close(heimtools_context, to_ccache);
+
+    return matched == 0;
+}