Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

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

1 files changed, 272 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/kadm5/ent_setup.c b/third_party/heimdal/lib/kadm5/ent_setup.c
new file mode 100644
index 0000000..24a7983
--- /dev/null
+++ b/third_party/heimdal/lib/kadm5/ent_setup.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. 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 "kadm5_locl.h"
+
+RCSID("$Id$");
+
+#define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0)
+#define set_null(X)     do { if((X) != NULL) free((X)); (X) = NULL; } while (0)
+
+static void
+attr_to_flags(unsigned attr, HDBFlags *flags)
+{
+    flags->postdate =		!(attr & KRB5_KDB_DISALLOW_POSTDATED);
+    flags->forwardable =	!(attr & KRB5_KDB_DISALLOW_FORWARDABLE);
+    flags->initial =	       !!(attr & KRB5_KDB_DISALLOW_TGT_BASED);
+    flags->renewable =		!(attr & KRB5_KDB_DISALLOW_RENEWABLE);
+    flags->proxiable =		!(attr & KRB5_KDB_DISALLOW_PROXIABLE);
+    /* DUP_SKEY */
+    flags->invalid =	       !!(attr & KRB5_KDB_DISALLOW_ALL_TIX);
+    flags->require_preauth =   !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH);
+    flags->require_pwchange =  !!(attr & KRB5_KDB_REQUIRES_PWCHANGE);
+    /* HW_AUTH */
+    flags->server =		!(attr & KRB5_KDB_DISALLOW_SVR);
+    flags->change_pw = 	       !!(attr & KRB5_KDB_PWCHANGE_SERVICE);
+    flags->client =	        !(attr & KRB5_KDB_DISALLOW_CLIENT);
+    flags->ok_as_delegate =    !!(attr & KRB5_KDB_OK_AS_DELEGATE);
+    flags->trusted_for_delegation = !!(attr & KRB5_KDB_TRUSTED_FOR_DELEGATION);
+    flags->allow_kerberos4 =   !!(attr & KRB5_KDB_ALLOW_KERBEROS4);
+    flags->allow_digest =      !!(attr & KRB5_KDB_ALLOW_DIGEST);
+    flags->materialize =       !!(attr & KRB5_KDB_MATERIALIZE);
+    flags->virtual_keys =      !!(attr & KRB5_KDB_VIRTUAL_KEYS);
+    flags->virtual =           !!(attr & KRB5_KDB_VIRTUAL);
+    flags->no_auth_data_reqd = !!(attr & KRB5_KDB_NO_AUTH_DATA_REQUIRED);
+}
+
+/*
+ * Modify the `ent' according to `tl_data'.
+ */
+
+static kadm5_ret_t
+perform_tl_data(krb5_context context,
+		HDB *db,
+		hdb_entry *ent,
+		const krb5_tl_data *tl_data)
+{
+    kadm5_ret_t ret = 0;
+
+    if (tl_data->tl_data_type == KRB5_TL_PASSWORD) {
+	heim_utf8_string pw = tl_data->tl_data_contents;
+
+	if (pw[tl_data->tl_data_length] != '\0')
+	    return KADM5_BAD_TL_TYPE;
+
+	ret = hdb_entry_set_password(context, db, ent, pw);
+
+    } else if (tl_data->tl_data_type == KRB5_TL_LAST_PWD_CHANGE) {
+        unsigned long t;
+	unsigned char *s;
+
+	if (tl_data->tl_data_length != 4)
+	    return KADM5_BAD_TL_TYPE;
+
+	s = tl_data->tl_data_contents;
+
+        (void) _krb5_get_int(s, &t, tl_data->tl_data_length);
+        ret = hdb_entry_set_pw_change_time(context, ent, t);
+
+    } else if (tl_data->tl_data_type == KRB5_TL_KEY_ROTATION) {
+        HDB_Ext_KeyRotation *prev_kr = 0;
+	HDB_extension *prev_ext;
+	HDB_extension ext;
+
+        ext.mandatory = 0;
+        ext.data.element = choice_HDB_extension_data_key_rotation;
+        prev_ext = hdb_find_extension(ent, ext.data.element);
+        if (prev_ext)
+            prev_kr = &prev_ext->data.u.key_rotation;
+        ret = decode_HDB_Ext_KeyRotation(tl_data->tl_data_contents,
+                                         tl_data->tl_data_length,
+                                         &ext.data.u.key_rotation, NULL);
+        if (ret == 0)
+            ret = hdb_validate_key_rotations(context, prev_kr,
+                                             &ext.data.u.key_rotation);
+        if (ret == 0)
+            ret = hdb_replace_extension(context, ent, &ext);
+	free_HDB_extension(&ext);
+    } else if (tl_data->tl_data_type == KRB5_TL_EXTENSION) {
+	HDB_extension ext;
+
+	ret = decode_HDB_extension(tl_data->tl_data_contents,
+				   tl_data->tl_data_length,
+				   &ext,
+				   NULL);
+	if (ret)
+	    return KADM5_BAD_TL_TYPE;
+
+        if (ext.data.element == choice_HDB_extension_data_key_rotation) {
+            HDB_extension *prev_ext = hdb_find_extension(ent,
+                                                         ext.data.element);
+            HDB_Ext_KeyRotation *prev_kr = 0;
+
+            if (prev_ext)
+                prev_kr = &prev_ext->data.u.key_rotation;
+            ret = hdb_validate_key_rotations(context, prev_kr,
+                                             &ext.data.u.key_rotation);
+        }
+	if (ret)
+	    ret = KADM5_BAD_TL_TYPE; /* XXX Need new error code */
+        if (ret == 0)
+            ret = hdb_replace_extension(context, ent, &ext);
+	free_HDB_extension(&ext);
+    } else if (tl_data->tl_data_type == KRB5_TL_ETYPES) {
+        if (!ent->etypes &&
+            (ent->etypes = calloc(1,
+                                        sizeof(ent->etypes[0]))) == NULL)
+            ret = krb5_enomem(context);
+        if (ent->etypes)
+            free_HDB_EncTypeList(ent->etypes);
+        if (ret == 0)
+            ret = decode_HDB_EncTypeList(tl_data->tl_data_contents,
+                                         tl_data->tl_data_length,
+                                         ent->etypes, NULL);
+	if (ret)
+	    return KADM5_BAD_TL_TYPE;
+    } else if (tl_data->tl_data_type == KRB5_TL_ALIASES) {
+        return 0;
+    } else {
+	return KADM5_BAD_TL_TYPE;
+    }
+    return ret;
+}
+
+static void
+default_flags(hdb_entry *ent)
+{
+    ent->flags.client      = 1;
+    ent->flags.server      = 1;
+    ent->flags.forwardable = 1;
+    ent->flags.proxiable   = 1;
+    ent->flags.renewable   = 1;
+    ent->flags.postdate    = 1;
+}
+
+
+/*
+ * Create the hdb entry `ent' based on data from `princ' with
+ * `princ_mask' specifying what fields to be gotten from there and
+ * `mask' specifying what fields we want filled in.
+ */
+
+kadm5_ret_t
+_kadm5_setup_entry(kadm5_server_context *context,
+		   hdb_entry *ent,
+		   uint32_t mask,
+		   kadm5_principal_ent_t princ,
+		   uint32_t princ_mask,
+		   kadm5_principal_ent_t def,
+		   uint32_t def_mask)
+{
+    if(mask & KADM5_PRINC_EXPIRE_TIME
+       && princ_mask & KADM5_PRINC_EXPIRE_TIME) {
+	if (princ->princ_expire_time)
+	    set_value(ent->valid_end, princ->princ_expire_time);
+	else
+	    set_null(ent->valid_end);
+    }
+    if(mask & KADM5_PW_EXPIRATION
+       && princ_mask & KADM5_PW_EXPIRATION) {
+	if (princ->pw_expiration)
+	    set_value(ent->pw_end, princ->pw_expiration);
+	else
+	    set_null(ent->pw_end);
+    }
+    if(mask & KADM5_ATTRIBUTES) {
+	if (princ_mask & KADM5_ATTRIBUTES) {
+	    attr_to_flags(princ->attributes, &ent->flags);
+	} else if(def_mask & KADM5_ATTRIBUTES) {
+	    attr_to_flags(def->attributes, &ent->flags);
+	    ent->flags.invalid = 0;
+	} else {
+	    default_flags(ent);
+	}
+    }
+
+    if(mask & KADM5_MAX_LIFE) {
+	if(princ_mask & KADM5_MAX_LIFE) {
+	    if(princ->max_life)
+	      set_value(ent->max_life, princ->max_life);
+	    else
+	      set_null(ent->max_life);
+	} else if(def_mask & KADM5_MAX_LIFE) {
+	    if(def->max_life)
+	      set_value(ent->max_life, def->max_life);
+	    else
+	      set_null(ent->max_life);
+	}
+    }
+    if(mask & KADM5_KVNO
+       && (princ_mask & KADM5_KVNO)) {
+	krb5_error_code ret;
+
+	ret = hdb_change_kvno(context->context, princ->kvno, ent);
+	if (ret && ret != HDB_ERR_KVNO_NOT_FOUND)
+	    return ret;
+	ent->kvno = princ->kvno; /* force it */
+    }
+    if(mask & KADM5_MAX_RLIFE) {
+	if(princ_mask & KADM5_MAX_RLIFE) {
+	  if(princ->max_renewable_life)
+	    set_value(ent->max_renew, princ->max_renewable_life);
+	  else
+	    set_null(ent->max_renew);
+	} else if(def_mask & KADM5_MAX_RLIFE) {
+	  if(def->max_renewable_life)
+	    set_value(ent->max_renew, def->max_renewable_life);
+	  else
+	    set_null(ent->max_renew);
+	}
+    }
+    if(mask & KADM5_KEY_DATA
+       && princ_mask & KADM5_KEY_DATA) {
+	_kadm5_set_keys2(context, ent,
+			 princ->n_key_data, princ->key_data);
+    }
+    if(mask & KADM5_TL_DATA) {
+	krb5_tl_data *tl;
+
+	for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next) {
+	    kadm5_ret_t ret;
+	    ret = perform_tl_data(context->context, context->db, ent, tl);
+	    if (ret)
+		return ret;
+	}
+    }
+    if(mask & KADM5_FAIL_AUTH_COUNT) {
+	/* XXX */
+    }
+    return 0;
+}