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-rw-r--r--src/plugins/authdata/greet_client/Makefile.in20
-rw-r--r--src/plugins/authdata/greet_client/deps13
-rw-r--r--src/plugins/authdata/greet_client/greet.c377
-rw-r--r--src/plugins/authdata/greet_client/greet_client.exports1
4 files changed, 411 insertions, 0 deletions
diff --git a/src/plugins/authdata/greet_client/Makefile.in b/src/plugins/authdata/greet_client/Makefile.in
new file mode 100644
index 000000000000..ffa29ac8b069
--- /dev/null
+++ b/src/plugins/authdata/greet_client/Makefile.in
@@ -0,0 +1,20 @@
+mydir=plugins$(S)authdata$(S)greet_client
+BUILDTOP=$(REL)..$(S)..$(S)..
+
+LIBBASE=greet_client
+LIBMAJOR=0
+LIBMINOR=0
+SHLIB_EXPDEPS = $(TOPLIBD)/libk5crypto$(SHLIBEXT) \
+ $(TOPLIBD)/libkrb5$(SHLIBEXT)
+SHLIB_EXPLIBS= -lkrb5 -lcom_err -lk5crypto $(SUPPORT_LIB) $(LIBS)
+STLIBOBJS= greet.o
+
+SRCS= greet.c
+
+all-unix: all-libs
+install-unix:
+clean-unix:: clean-libs clean-libobjs
+
+@libnover_frag@
+@libobj_frag@
+
diff --git a/src/plugins/authdata/greet_client/deps b/src/plugins/authdata/greet_client/deps
new file mode 100644
index 000000000000..d9e62d7f5ea9
--- /dev/null
+++ b/src/plugins/authdata/greet_client/deps
@@ -0,0 +1,13 @@
+#
+# Generated makefile dependencies follow.
+#
+greet.so greet.po $(OUTPRE)greet.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
+ $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
+ $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(top_srcdir)/include/k5-buf.h \
+ $(top_srcdir)/include/k5-err.h $(top_srcdir)/include/k5-gmt_mktime.h \
+ $(top_srcdir)/include/k5-int-pkinit.h $(top_srcdir)/include/k5-int.h \
+ $(top_srcdir)/include/k5-platform.h $(top_srcdir)/include/k5-plugin.h \
+ $(top_srcdir)/include/k5-thread.h $(top_srcdir)/include/k5-trace.h \
+ $(top_srcdir)/include/krb5.h $(top_srcdir)/include/krb5/authdata_plugin.h \
+ $(top_srcdir)/include/krb5/plugin.h $(top_srcdir)/include/port-sockets.h \
+ $(top_srcdir)/include/socket-utils.h greet.c
diff --git a/src/plugins/authdata/greet_client/greet.c b/src/plugins/authdata/greet_client/greet.c
new file mode 100644
index 000000000000..2aae2ddd63b3
--- /dev/null
+++ b/src/plugins/authdata/greet_client/greet.c
@@ -0,0 +1,377 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* plugins/authdata/greet_client/greet.c - Sample authorization data plugin */
+/*
+ * Copyright 2009 by the Massachusetts Institute of Technology.
+ *
+ * Export of this software from the United States of America may
+ * require a specific license from the United States Government.
+ * It is the responsibility of any person or organization contemplating
+ * export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ */
+
+#include "k5-int.h"
+#include <krb5/authdata_plugin.h>
+#include <assert.h>
+
+struct greet_context {
+ krb5_data greeting;
+ krb5_boolean verified;
+};
+
+static krb5_data greet_attr = {
+ KV5M_DATA, sizeof("urn:greet:greeting") - 1, "urn:greet:greeting" };
+
+static krb5_error_code
+greet_init(krb5_context kcontext, void **plugin_context)
+{
+ *plugin_context = 0;
+ return 0;
+}
+
+static void
+greet_flags(krb5_context kcontext,
+ void *plugin_context,
+ krb5_authdatatype ad_type,
+ krb5_flags *flags)
+{
+ *flags = AD_USAGE_AP_REQ | AD_USAGE_KDC_ISSUED | AD_INFORMATIONAL;
+}
+
+static void
+greet_fini(krb5_context kcontext, void *plugin_context)
+{
+ return;
+}
+
+static krb5_error_code
+greet_request_init(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void **request_context)
+{
+ struct greet_context *greet;
+
+ greet = malloc(sizeof(*greet));
+ if (greet == NULL)
+ return ENOMEM;
+
+ greet->greeting.data = NULL;
+ greet->greeting.length = 0;
+ greet->verified = FALSE;
+
+ *request_context = greet;
+
+ return 0;
+}
+
+static krb5_error_code
+greet_export_authdata(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_flags usage,
+ krb5_authdata ***out_authdata)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+ krb5_authdata *data[2];
+ krb5_authdata datum;
+ krb5_error_code code;
+
+ datum.ad_type = -42;
+ datum.length = greet->greeting.length;
+ datum.contents = (krb5_octet *)greet->greeting.data;
+
+ data[0] = &datum;
+ data[1] = NULL;
+
+ code = krb5_copy_authdata(kcontext, data, out_authdata);
+
+ return code;
+}
+
+static krb5_error_code
+greet_import_authdata(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_authdata **authdata,
+ krb5_boolean kdc_issued_flag,
+ krb5_const_principal issuer)
+{
+ krb5_error_code code;
+ struct greet_context *greet = (struct greet_context *)request_context;
+ krb5_data data;
+
+ krb5_free_data_contents(kcontext, &greet->greeting);
+ greet->verified = FALSE;
+
+ assert(authdata[0] != NULL);
+
+ data.length = authdata[0]->length;
+ data.data = (char *)authdata[0]->contents;
+
+ code = krb5int_copy_data_contents_add0(kcontext, &data, &greet->greeting);
+ if (code == 0)
+ greet->verified = kdc_issued_flag;
+
+ return code;
+}
+
+static void
+greet_request_fini(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+
+ if (greet != NULL) {
+ krb5_free_data_contents(kcontext, &greet->greeting);
+ free(greet);
+ }
+}
+
+static krb5_error_code
+greet_get_attribute_types(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_data **out_attrs)
+{
+ krb5_error_code code;
+ struct greet_context *greet = (struct greet_context *)request_context;
+
+ if (greet->greeting.length == 0)
+ return ENOENT;
+
+ *out_attrs = calloc(2, sizeof(krb5_data));
+ if (*out_attrs == NULL)
+ return ENOMEM;
+
+ code = krb5int_copy_data_contents_add0(kcontext,
+ &greet_attr,
+ &(*out_attrs)[0]);
+ if (code != 0) {
+ free(*out_attrs);
+ *out_attrs = NULL;
+ return code;
+ }
+
+ return 0;
+}
+
+static krb5_error_code
+greet_get_attribute(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ const krb5_data *attribute,
+ krb5_boolean *authenticated,
+ krb5_boolean *complete,
+ krb5_data *value,
+ krb5_data *display_value,
+ int *more)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+ krb5_error_code code;
+
+ if (!data_eq(*attribute, greet_attr) || greet->greeting.length == 0)
+ return ENOENT;
+
+ *authenticated = greet->verified;
+ *complete = TRUE;
+ *more = 0;
+
+ code = krb5int_copy_data_contents_add0(kcontext, &greet->greeting, value);
+ if (code == 0) {
+ code = krb5int_copy_data_contents_add0(kcontext,
+ &greet->greeting,
+ display_value);
+ if (code != 0)
+ krb5_free_data_contents(kcontext, value);
+ }
+
+ return code;
+}
+
+static krb5_error_code
+greet_set_attribute(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_boolean complete,
+ const krb5_data *attribute,
+ const krb5_data *value)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+ krb5_data data;
+ krb5_error_code code;
+
+ if (!data_eq(*attribute, greet_attr))
+ return ENOENT;
+
+ if (greet->greeting.data != NULL)
+ return EEXIST;
+
+ code = krb5int_copy_data_contents_add0(kcontext, value, &data);
+ if (code != 0)
+ return code;
+
+ krb5_free_data_contents(kcontext, &greet->greeting);
+ greet->greeting = data;
+ greet->verified = FALSE;
+
+ return 0;
+}
+
+static krb5_error_code
+greet_delete_attribute(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ const krb5_data *attribute)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+
+ krb5_free_data_contents(kcontext, &greet->greeting);
+ greet->verified = FALSE;
+
+ return 0;
+}
+
+static krb5_error_code
+greet_size(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ size_t *sizep)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+
+ *sizep += sizeof(krb5_int32) +
+ greet->greeting.length +
+ sizeof(krb5_int32);
+
+ return 0;
+}
+
+static krb5_error_code
+greet_externalize(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_octet **buffer,
+ size_t *lenremain)
+{
+ size_t required = 0;
+ struct greet_context *greet = (struct greet_context *)request_context;
+
+ greet_size(kcontext, context, plugin_context,
+ request_context, &required);
+
+ if (*lenremain < required)
+ return ENOMEM;
+
+ /* Greeting Length | Greeting Contents | Verified */
+ krb5_ser_pack_int32(greet->greeting.length, buffer, lenremain);
+ krb5_ser_pack_bytes((krb5_octet *)greet->greeting.data,
+ (size_t)greet->greeting.length,
+ buffer, lenremain);
+ krb5_ser_pack_int32((krb5_int32)greet->verified, buffer, lenremain);
+
+ return 0;
+}
+
+static krb5_error_code
+greet_internalize(krb5_context kcontext,
+ krb5_authdata_context context,
+ void *plugin_context,
+ void *request_context,
+ krb5_octet **buffer,
+ size_t *lenremain)
+{
+ struct greet_context *greet = (struct greet_context *)request_context;
+ krb5_error_code code;
+ krb5_int32 length;
+ krb5_octet *contents = NULL;
+ krb5_int32 verified;
+ krb5_octet *bp;
+ size_t remain;
+
+ bp = *buffer;
+ remain = *lenremain;
+
+ /* Greeting Length */
+ code = krb5_ser_unpack_int32(&length, &bp, &remain);
+ if (code != 0)
+ return code;
+
+ /* Greeting Contents */
+ if (length != 0) {
+ contents = malloc(length);
+ if (contents == NULL)
+ return ENOMEM;
+
+ code = krb5_ser_unpack_bytes(contents, (size_t)length, &bp, &remain);
+ if (code != 0) {
+ free(contents);
+ return code;
+ }
+ }
+
+ /* Verified */
+ code = krb5_ser_unpack_int32(&verified, &bp, &remain);
+ if (code != 0) {
+ free(contents);
+ return code;
+ }
+
+ krb5_free_data_contents(kcontext, &greet->greeting);
+ greet->greeting.length = length;
+ greet->greeting.data = (char *)contents;
+ greet->verified = (verified != 0);
+
+ *buffer = bp;
+ *lenremain = remain;
+
+ return 0;
+}
+
+static krb5_authdatatype greet_ad_types[] = { -42, 0 };
+
+krb5plugin_authdata_client_ftable_v0 authdata_client_0 = {
+ "greet",
+ greet_ad_types,
+ greet_init,
+ greet_fini,
+ greet_flags,
+ greet_request_init,
+ greet_request_fini,
+ greet_get_attribute_types,
+ greet_get_attribute,
+ greet_set_attribute,
+ greet_delete_attribute,
+ greet_export_authdata,
+ greet_import_authdata,
+ NULL,
+ NULL,
+ NULL,
+ greet_size,
+ greet_externalize,
+ greet_internalize,
+ NULL
+};
diff --git a/src/plugins/authdata/greet_client/greet_client.exports b/src/plugins/authdata/greet_client/greet_client.exports
new file mode 100644
index 000000000000..8d5d5c47f460
--- /dev/null
+++ b/src/plugins/authdata/greet_client/greet_client.exports
@@ -0,0 +1 @@
+authdata_client_0
generated by cgit v1.3 (git 2.53.0) at 2026-09-06 15:56:36 +0000