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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /third_party/heimdal/kuser/kswitch.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--third_party/heimdal/kuser/kswitch.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/third_party/heimdal/kuser/kswitch.c b/third_party/heimdal/kuser/kswitch.c
new file mode 100644
index 0000000..3bb3b70
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+++ b/third_party/heimdal/kuser/kswitch.c
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+/*
+ * Copyright (c) 2008 - 2010 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 "heimtools-commands.h"
+
+#ifdef HAVE_READLINE
+char *readline(const char *prompt);
+#else
+
+static char *
+readline(const char *prompt)
+{
+ char buf[BUFSIZ];
+ printf ("%s", prompt);
+ fflush (stdout);
+ if(fgets(buf, sizeof(buf), stdin) == NULL)
+ return NULL;
+ buf[strcspn(buf, "\r\n")] = '\0';
+ return strdup(buf);
+}
+
+#endif
+
+/*
+ *
+ */
+
+int
+kswitch(struct kswitch_options *opt, int argc, char **argv)
+{
+ krb5_error_code ret;
+ krb5_ccache id = NULL;
+
+ if (opt->cache_string && opt->principal_string)
+ krb5_errx(heimtools_context, 1,
+ N_("Both --cache and --principal given, choose one", ""));
+
+ if (opt->interactive_flag) {
+ krb5_cc_cache_cursor cursor;
+ krb5_ccache *ids = NULL;
+ size_t i, len = 0;
+ char *name;
+ rtbl_t ct;
+
+ ct = rtbl_create();
+
+ rtbl_add_column_by_id(ct, 0, "#", 0);
+ rtbl_add_column_by_id(ct, 1, "Principal", 0);
+ rtbl_set_column_affix_by_id(ct, 1, " ", "");
+ rtbl_add_column_by_id(ct, 2, "Type", 0);
+ rtbl_set_column_affix_by_id(ct, 2, " ", "");
+
+ ret = krb5_cc_cache_get_first(heimtools_context, NULL, &cursor);
+ if (ret)
+ krb5_err(heimtools_context, 1, ret, "krb5_cc_cache_get_first");
+
+ while (krb5_cc_cache_next(heimtools_context, cursor, &id) == 0) {
+ krb5_principal p = NULL;
+ char num[10];
+
+ ret = krb5_cc_get_principal(heimtools_context, id, &p);
+ if (ret == 0)
+ ret = krb5_unparse_name(heimtools_context, p, &name);
+ if (ret) {
+ krb5_cc_close(heimtools_context, id);
+ continue;
+ }
+
+ krb5_free_principal(heimtools_context, p);
+
+ snprintf(num, sizeof(num), "%d", (int)(len + 1));
+ rtbl_add_column_entry_by_id(ct, 0, num);
+ rtbl_add_column_entry_by_id(ct, 1, name);
+ rtbl_add_column_entry_by_id(ct, 2, krb5_cc_get_type(heimtools_context, id));
+ free(name);
+
+ ids = erealloc(ids, (len + 1) * sizeof(ids[0]));
+ ids[len] = id;
+ len++;
+ }
+ krb5_cc_cache_end_seq_get(heimtools_context, cursor);
+
+ rtbl_format(ct, stdout);
+ rtbl_destroy(ct);
+
+ name = readline("Select number: ");
+ if (name) {
+ i = atoi(name);
+ if (i == 0)
+ krb5_errx(heimtools_context, 1, "Cache number '%s' is invalid", name);
+ if (i > len)
+ krb5_errx(heimtools_context, 1, "Cache number '%s' is too large", name);
+
+ id = ids[i - 1];
+ ids[i - 1] = NULL;
+ free(name);
+ } else
+ krb5_errx(heimtools_context, 1, "No cache selected");
+ for (i = 0; i < len; i++)
+ if (ids[i])
+ krb5_cc_close(heimtools_context, ids[i]);
+ free(ids);
+ } else if (opt->principal_string) {
+ krb5_principal p;
+
+ ret = krb5_parse_name(heimtools_context, opt->principal_string, &p);
+ if (ret)
+ krb5_err(heimtools_context, 1, ret, "krb5_parse_name: %s",
+ opt->principal_string);
+
+ ret = krb5_cc_cache_match(heimtools_context, p, &id);
+ if (ret)
+ krb5_err(heimtools_context, 1, ret,
+ N_("Did not find principal: %s", ""),
+ opt->principal_string);
+
+ krb5_free_principal(heimtools_context, p);
+
+ } else if (opt->cache_string) {
+ const krb5_cc_ops *ops;
+ char *str;
+ int aret;
+
+ ops = krb5_cc_get_prefix_ops(heimtools_context, opt->type_string);
+ if (ops == NULL)
+ krb5_err(heimtools_context, 1, 0, "krb5_cc_get_prefix_ops");
+
+ aret = asprintf(&str, "%s:%s", ops->prefix, opt->cache_string);
+ if (aret == -1)
+ krb5_errx(heimtools_context, 1, N_("out of memory", ""));
+
+ ret = krb5_cc_resolve(heimtools_context, str, &id);
+ if (ret)
+ krb5_err(heimtools_context, 1, ret, "krb5_cc_resolve: %s", str);
+
+ free(str);
+ } else {
+ krb5_errx(heimtools_context, 1, "missing option for kswitch");
+ }
+
+ ret = krb5_cc_switch(heimtools_context, id);
+ if (ret)
+ krb5_err(heimtools_context, 1, ret, "krb5_cc_switch");
+
+ krb5_cc_close(heimtools_context, id);
+
+ return 0;
+}