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authorCy Schubert <cy@FreeBSD.org>2017-07-07 17:03:42 +0000
committerCy Schubert <cy@FreeBSD.org>2017-07-07 17:03:42 +0000
commit33a9b234e7087f573ef08cd7318c6497ba08b439 (patch)
treed0ea40ad3bf5463a3c55795977c71bcb7d781b4b /src/plugins/authdata
Notes
Diffstat (limited to 'src/plugins/authdata')
-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
-rw-r--r--src/plugins/authdata/greet_server/Makefile.in21
-rw-r--r--src/plugins/authdata/greet_server/deps15
-rw-r--r--src/plugins/authdata/greet_server/greet_auth.c141
-rw-r--r--src/plugins/authdata/greet_server/greet_server.exports1
8 files changed, 589 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
diff --git a/src/plugins/authdata/greet_server/Makefile.in b/src/plugins/authdata/greet_server/Makefile.in
new file mode 100644
index 000000000000..78a062df3750
--- /dev/null
+++ b/src/plugins/authdata/greet_server/Makefile.in
@@ -0,0 +1,21 @@
+mydir=plugins$(S)authdata$(S)greet_server
+BUILDTOP=$(REL)..$(S)..$(S)..
+
+LIBBASE=greet_server
+LIBMAJOR=1
+LIBMINOR=0
+SHLIB_EXPDEPS = $(TOPLIBD)/libk5crypto$(SHLIBEXT) \
+ $(TOPLIBD)/libkrb5$(SHLIBEXT)
+SHLIB_EXPLIBS= -lkrb5 -lcom_err -lk5crypto $(SUPPORT_LIB) $(LIBS)
+
+STLIBOBJS= greet_auth.o
+
+SRCS= greet_auth.c
+
+all-unix: all-libs
+install-unix:
+clean-unix:: clean-libs clean-libobjs
+
+@libnover_frag@
+@libobj_frag@
+
diff --git a/src/plugins/authdata/greet_server/deps b/src/plugins/authdata/greet_server/deps
new file mode 100644
index 000000000000..07943cd9d944
--- /dev/null
+++ b/src/plugins/authdata/greet_server/deps
@@ -0,0 +1,15 @@
+#
+# Generated makefile dependencies follow.
+#
+greet_auth.so greet_auth.po $(OUTPRE)greet_auth.$(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/kdb.h \
+ $(top_srcdir)/include/krb5.h $(top_srcdir)/include/krb5/authdata_plugin.h \
+ $(top_srcdir)/include/krb5/kdcauthdata_plugin.h $(top_srcdir)/include/krb5/plugin.h \
+ $(top_srcdir)/include/port-sockets.h $(top_srcdir)/include/socket-utils.h \
+ greet_auth.c
diff --git a/src/plugins/authdata/greet_server/greet_auth.c b/src/plugins/authdata/greet_server/greet_auth.c
new file mode 100644
index 000000000000..1f1e9de435bd
--- /dev/null
+++ b/src/plugins/authdata/greet_server/greet_auth.c
@@ -0,0 +1,141 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* plugins/authdata/greet_server/greet_auth.c */
+/*
+ * 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.
+ */
+
+/*
+ *
+ * Sample authorization data plugin
+ */
+
+#include <k5-int.h>
+#include <krb5/kdcauthdata_plugin.h>
+
+static krb5_error_code greet_hello(krb5_context context, krb5_data **ret)
+{
+ krb5_data tmp;
+
+ tmp.data = "Hello, KDC issued acceptor world!";
+ tmp.length = strlen(tmp.data);
+
+ return krb5_copy_data(context, &tmp, ret);
+}
+
+static krb5_error_code
+greet_kdc_sign(krb5_context context,
+ krb5_enc_tkt_part *enc_tkt_reply,
+ krb5_const_principal tgs,
+ krb5_data *greeting)
+{
+ krb5_error_code code;
+ krb5_authdata ad_datum, *ad_data[2], **kdc_issued = NULL;
+ krb5_authdata **if_relevant = NULL;
+ krb5_authdata **tkt_authdata;
+
+ ad_datum.ad_type = -42;
+ ad_datum.contents = (krb5_octet *)greeting->data;
+ ad_datum.length = greeting->length;
+
+ ad_data[0] = &ad_datum;
+ ad_data[1] = NULL;
+
+ code = krb5_make_authdata_kdc_issued(context,
+ enc_tkt_reply->session,
+ tgs,
+ ad_data,
+ &kdc_issued);
+ if (code != 0)
+ return code;
+
+ code = krb5_encode_authdata_container(context,
+ KRB5_AUTHDATA_IF_RELEVANT,
+ kdc_issued,
+ &if_relevant);
+ if (code != 0) {
+ krb5_free_authdata(context, kdc_issued);
+ return code;
+ }
+
+ code = krb5_merge_authdata(context,
+ if_relevant,
+ enc_tkt_reply->authorization_data,
+ &tkt_authdata);
+ if (code == 0) {
+ krb5_free_authdata(context, enc_tkt_reply->authorization_data);
+ enc_tkt_reply->authorization_data = tkt_authdata;
+ } else {
+ krb5_free_authdata(context, if_relevant);
+ }
+
+ krb5_free_authdata(context, kdc_issued);
+
+ return code;
+}
+
+static krb5_error_code
+greet_authdata(krb5_context context,
+ krb5_kdcauthdata_moddata moddata,
+ unsigned int flags,
+ krb5_db_entry *client,
+ krb5_db_entry *server,
+ krb5_db_entry *tgs,
+ krb5_keyblock *client_key,
+ krb5_keyblock *server_key,
+ krb5_keyblock *krbtgt_key,
+ krb5_data *req_pkt,
+ krb5_kdc_req *request,
+ krb5_const_principal for_user_princ,
+ krb5_enc_tkt_part *enc_tkt_request,
+ krb5_enc_tkt_part *enc_tkt_reply)
+{
+ krb5_error_code code;
+ krb5_data *greeting = NULL;
+
+ if (request->msg_type != KRB5_TGS_REQ)
+ return 0;
+
+ code = greet_hello(context, &greeting);
+ if (code != 0)
+ return code;
+
+ code = greet_kdc_sign(context, enc_tkt_reply, tgs->princ, greeting);
+
+ krb5_free_data(context, greeting);
+
+ return code;
+}
+
+krb5_error_code
+kdcauthdata_greet_initvt(krb5_context context, int maj_ver, int min_ver,
+ krb5_plugin_vtable vtable);
+
+krb5_error_code
+kdcauthdata_greet_initvt(krb5_context context, int maj_ver, int min_ver,
+ krb5_plugin_vtable vtable)
+{
+ krb5_kdcauthdata_vtable vt = (krb5_kdcauthdata_vtable)vtable;
+
+ vt->name = "greet";
+ vt->handle = greet_authdata;
+ return 0;
+}
diff --git a/src/plugins/authdata/greet_server/greet_server.exports b/src/plugins/authdata/greet_server/greet_server.exports
new file mode 100644
index 000000000000..bddbef18dbce
--- /dev/null
+++ b/src/plugins/authdata/greet_server/greet_server.exports
@@ -0,0 +1 @@
+kdcauthdata_greet_initvt