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-rw-r--r--src/lib/kdb/kdb_convert.c935
1 files changed, 935 insertions, 0 deletions
diff --git a/src/lib/kdb/kdb_convert.c b/src/lib/kdb/kdb_convert.c
new file mode 100644
index 000000000000..8172e9d6ba16
--- /dev/null
+++ b/src/lib/kdb/kdb_convert.c
@@ -0,0 +1,935 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+ * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/* #pragma ident "@(#)kdb_convert.c 1.3 05/01/05 SMI" */
+
+/*
+ * This file contains api's for conversion of the kdb_incr_update_t
+ * struct(s) into krb5_db_entry struct(s) and vice-versa.
+ */
+#include <k5-int.h>
+#include <sys/types.h>
+#include <com_err.h>
+#include <locale.h>
+#include <iprop_hdr.h>
+#include "iprop.h"
+#include <kdb.h>
+#include <kdb_log.h>
+
+/* BEGIN CSTYLED */
+#define ULOG_ENTRY_TYPE(upd, i) ((kdb_incr_update_t *)upd)->kdb_update.kdbe_t_val[i]
+
+#define ULOG_ENTRY(upd, i) ((kdb_incr_update_t *)upd)->kdb_update.kdbe_t_val[i].kdbe_val_t_u
+
+#define ULOG_ENTRY_KEYVAL(upd, i, j) ((kdb_incr_update_t *)upd)->kdb_update.kdbe_t_val[i].kdbe_val_t_u.av_keydata.av_keydata_val[j]
+
+#define ULOG_ENTRY_PRINC(upd, i, j) ((kdb_incr_update_t *)upd)->kdb_update.kdbe_t_val[i].kdbe_val_t_u.av_princ.k_components.k_components_val[j]
+
+#define ULOG_ENTRY_MOD_PRINC(upd, i, j) ((kdb_incr_update_t *)upd)->kdb_update.kdbe_t_val[i].kdbe_val_t_u.av_mod_princ.k_components.k_components_val[j]
+/* END CSTYLED */
+
+typedef enum {
+ REG_PRINC = 0,
+ MOD_PRINC = 1
+} princ_type;
+
+
+/*
+ * This routine tracks the krb5_db_entry fields that have been modified
+ * (by comparing it to the db_entry currently present in principal.db)
+ * in the update.
+ */
+static void
+find_changed_attrs(krb5_db_entry *current, krb5_db_entry *new,
+ krb5_boolean exclude_nra,
+ kdbe_attr_type_t *attrs, int *nattrs)
+{
+ int i = 0, j = 0;
+
+ krb5_tl_data *first, *second;
+
+ if (current->attributes != new->attributes)
+ attrs[i++] = AT_ATTRFLAGS;
+
+ if (current->max_life != new->max_life)
+ attrs[i++] = AT_MAX_LIFE;
+
+ if (current->max_renewable_life != new->max_renewable_life)
+ attrs[i++] = AT_MAX_RENEW_LIFE;
+
+ if (current->expiration != new->expiration)
+ attrs[i++] = AT_EXP;
+
+ if (current->pw_expiration != new->pw_expiration)
+ attrs[i++] = AT_PW_EXP;
+
+ if (!exclude_nra) {
+ if (current->last_success != new->last_success)
+ attrs[i++] = AT_LAST_SUCCESS;
+
+ if (current->last_failed != new->last_failed)
+ attrs[i++] = AT_LAST_FAILED;
+
+ if (current->fail_auth_count != new->fail_auth_count)
+ attrs[i++] = AT_FAIL_AUTH_COUNT;
+ }
+
+ if ((current->princ->type == new->princ->type) &&
+ (current->princ->length == new->princ->length)) {
+ if ((current->princ->realm.length ==
+ new->princ->realm.length) &&
+ strncmp(current->princ->realm.data,
+ new->princ->realm.data,
+ current->princ->realm.length)) {
+ for (j = 0; j < current->princ->length; j++) {
+ if ((current->princ->data[j].data != NULL) &&
+ (strncmp(current->princ->data[j].data,
+ new->princ->data[j].data,
+ current->princ->data[j].length))) {
+ attrs[i++] = AT_PRINC;
+ break;
+ }
+ }
+ } else {
+ attrs[i++] = AT_PRINC;
+ }
+ } else {
+ attrs[i++] = AT_PRINC;
+ }
+
+ if (current->n_key_data == new->n_key_data) {
+ /* Assuming key ordering is the same in new & current */
+ for (j = 0; j < new->n_key_data; j++) {
+ if (current->key_data[j].key_data_kvno !=
+ new->key_data[j].key_data_kvno) {
+ attrs[i++] = AT_KEYDATA;
+ break;
+ }
+ }
+ } else {
+ attrs[i++] = AT_KEYDATA;
+ }
+
+ if (current->n_tl_data == new->n_tl_data) {
+ /* Assuming we preserve the TL_DATA ordering between updates */
+ for (first = current->tl_data, second = new->tl_data;
+ first; first = first->tl_data_next,
+ second = second->tl_data_next) {
+ if ((first->tl_data_length == second->tl_data_length) &&
+ (first->tl_data_type == second->tl_data_type)) {
+ if ((memcmp((char *)first->tl_data_contents,
+ (char *)second->tl_data_contents,
+ first->tl_data_length)) != 0) {
+ attrs[i++] = AT_TL_DATA;
+ break;
+ }
+ } else {
+ attrs[i++] = AT_TL_DATA;
+ break;
+ }
+ }
+ } else {
+ attrs[i++] = AT_TL_DATA;
+ }
+
+ if (current->len != new->len)
+ attrs[i++] = AT_LEN;
+ /*
+ * Store the no. of (possibly :)) changed attributes
+ */
+ *nattrs = i;
+}
+
+
+/* Initialize *u with a copy of d. Return 0 on success, -1 on failure. */
+static int
+data_to_utf8str(utf8str_t *u, krb5_data d)
+{
+ u->utf8str_t_len = d.length;
+ if (d.data) {
+ u->utf8str_t_val = malloc(d.length);
+ if (u->utf8str_t_val == NULL)
+ return -1;
+ memcpy(u->utf8str_t_val, d.data, d.length);
+ } else
+ u->utf8str_t_val = NULL;
+ return 0;
+}
+
+/*
+ * Converts the krb5_principal struct from db2 to ulog format.
+ */
+static krb5_error_code
+conv_princ_2ulog(krb5_principal princ, kdb_incr_update_t *upd,
+ int cnt, princ_type tp)
+{
+ int i = 0;
+ kdbe_princ_t *p;
+ kdbe_data_t *components;
+
+ if ((upd == NULL) || !princ)
+ return (KRB5KRB_ERR_GENERIC);
+
+ switch (tp) {
+ case REG_PRINC:
+ case MOD_PRINC:
+ p = &ULOG_ENTRY(upd, cnt).av_princ; /* or av_mod_princ */
+ p->k_nametype = (int32_t)princ->type;
+
+ if (data_to_utf8str(&p->k_realm, princ->realm) < 0) {
+ return ENOMEM;
+ }
+
+ p->k_components.k_components_len = princ->length;
+
+ p->k_components.k_components_val = components
+ = malloc(princ->length * sizeof (kdbe_data_t));
+ if (p->k_components.k_components_val == NULL) {
+ free(p->k_realm.utf8str_t_val);
+ p->k_realm.utf8str_t_val = NULL;
+ return (ENOMEM);
+ }
+
+ memset(components, 0, princ->length * sizeof(kdbe_data_t));
+ for (i = 0; i < princ->length; i++)
+ components[i].k_data.utf8str_t_val = NULL;
+ for (i = 0; i < princ->length; i++) {
+ components[i].k_magic = princ->data[i].magic;
+ if (data_to_utf8str(&components[i].k_data, princ->data[i]) < 0) {
+ int j;
+ for (j = 0; j < i; j++) {
+ free(components[j].k_data.utf8str_t_val);
+ components[j].k_data.utf8str_t_val = NULL;
+ }
+ free(components);
+ p->k_components.k_components_val = NULL;
+ free(p->k_realm.utf8str_t_val);
+ p->k_realm.utf8str_t_val = NULL;
+ return ENOMEM;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ return (0);
+}
+
+/*
+ * Copies a UTF-8 string from ulog to a krb5_data object, which may
+ * already have allocated storage associated with it.
+ *
+ * Maybe a return value should indicate success/failure?
+ */
+static void
+set_from_utf8str(krb5_data *d, utf8str_t u)
+{
+ if (u.utf8str_t_len > INT_MAX-1 || u.utf8str_t_len >= SIZE_MAX-1) {
+ d->data = NULL;
+ return;
+ }
+ d->length = u.utf8str_t_len;
+ d->data = malloc(d->length + 1);
+ if (d->data == NULL)
+ return;
+ if (d->length) /* Pointer may be null if length = 0. */
+ strncpy(d->data, u.utf8str_t_val, d->length);
+ d->data[d->length] = 0;
+}
+
+/*
+ * Converts the krb5_principal struct from ulog to db2 format.
+ */
+static krb5_principal
+conv_princ_2db(krb5_context context, kdbe_princ_t *kdbe_princ)
+{
+ unsigned int i;
+ int j;
+ krb5_principal princ;
+ kdbe_data_t *components;
+
+ princ = calloc(1, sizeof (krb5_principal_data));
+ if (princ == NULL) {
+ return NULL;
+ }
+ princ->length = 0;
+ princ->data = NULL;
+
+ components = kdbe_princ->k_components.k_components_val;
+
+ princ->type = (krb5_int32) kdbe_princ->k_nametype;
+ princ->realm.data = NULL;
+ set_from_utf8str(&princ->realm, kdbe_princ->k_realm);
+ if (princ->realm.data == NULL)
+ goto error;
+
+ princ->data = calloc(kdbe_princ->k_components.k_components_len,
+ sizeof (krb5_data));
+ if (princ->data == NULL)
+ goto error;
+ for (i = 0; i < kdbe_princ->k_components.k_components_len; i++)
+ princ->data[i].data = NULL;
+ princ->length = (krb5_int32)kdbe_princ->k_components.k_components_len;
+
+ for (j = 0; j < princ->length; j++) {
+ princ->data[j].magic = components[j].k_magic;
+ set_from_utf8str(&princ->data[j], components[j].k_data);
+ if (princ->data[j].data == NULL)
+ goto error;
+ }
+
+ return princ;
+error:
+ krb5_free_principal(context, princ);
+ return NULL;
+}
+
+
+/*
+ * This routine converts a krb5 DB record into update log (ulog) entry format.
+ * Space for the update log entry should be allocated prior to invocation of
+ * this routine.
+ */
+krb5_error_code
+ulog_conv_2logentry(krb5_context context, krb5_db_entry *entry,
+ kdb_incr_update_t *update)
+{
+ int i, j, cnt, final, nattrs, tmpint;
+ krb5_principal tmpprinc;
+ krb5_tl_data *newtl;
+ krb5_db_entry *curr;
+ krb5_error_code ret;
+ kdbe_attr_type_t *attr_types;
+ int kadm_data_yes;
+ /* always exclude non-replicated attributes, for now */
+ krb5_boolean exclude_nra = TRUE;
+
+ nattrs = tmpint = 0;
+ final = -1;
+ kadm_data_yes = 0;
+ attr_types = NULL;
+
+ /*
+ * XXX we rely on the good behaviour of the database not to
+ * exceed this limit.
+ */
+ if ((update->kdb_update.kdbe_t_val = (kdbe_val_t *)
+ malloc(MAXENTRY_SIZE)) == NULL) {
+ return (ENOMEM);
+ }
+
+ /*
+ * Find out which attrs have been modified
+ */
+ if ((attr_types = (kdbe_attr_type_t *)malloc(
+ sizeof (kdbe_attr_type_t) * MAXATTRS_SIZE))
+ == NULL) {
+ return (ENOMEM);
+ }
+
+ ret = krb5_db_get_principal(context, entry->princ, 0, &curr);
+ if (ret && ret != KRB5_KDB_NOENTRY) {
+ free(attr_types);
+ return (ret);
+ }
+
+ if (ret == KRB5_KDB_NOENTRY) {
+ /*
+ * This is a new entry to the database, hence will
+ * include all the attribute-value pairs
+ *
+ * We leave out the TL_DATA types which we model as
+ * attrs in kdbe_attr_type_t, since listing AT_TL_DATA
+ * encompasses these other types-turned-attributes
+ *
+ * So, we do *NOT* consider AT_MOD_PRINC, AT_MOD_TIME,
+ * AT_MOD_WHERE, AT_PW_LAST_CHANGE, AT_PW_POLICY,
+ * AT_PW_POLICY_SWITCH, AT_PW_HIST_KVNO and AT_PW_HIST,
+ * totalling 8 attrs.
+ */
+ while (nattrs < MAXATTRS_SIZE - 8) {
+ attr_types[nattrs] = nattrs;
+ nattrs++;
+ }
+ } else {
+ find_changed_attrs(curr, entry, exclude_nra, attr_types, &nattrs);
+ krb5_db_free_principal(context, curr);
+ }
+
+ for (i = 0; i < nattrs; i++) {
+ switch (attr_types[i]) {
+ case AT_ATTRFLAGS:
+ if (entry->attributes >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type =
+ AT_ATTRFLAGS;
+ ULOG_ENTRY(update, final).av_attrflags =
+ (uint32_t)entry->attributes;
+ }
+ break;
+
+ case AT_MAX_LIFE:
+ if (entry->max_life >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_MAX_LIFE;
+ ULOG_ENTRY(update, final).av_max_life =
+ (uint32_t)entry->max_life;
+ }
+ break;
+
+ case AT_MAX_RENEW_LIFE:
+ if (entry->max_renewable_life >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_MAX_RENEW_LIFE;
+ ULOG_ENTRY(update, final).av_max_renew_life =
+ (uint32_t)entry->max_renewable_life;
+ }
+ break;
+
+ case AT_EXP:
+ if (entry->expiration >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_EXP;
+ ULOG_ENTRY(update, final).av_exp = (uint32_t)entry->expiration;
+ }
+ break;
+
+ case AT_PW_EXP:
+ if (entry->pw_expiration >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_PW_EXP;
+ ULOG_ENTRY(update, final).av_pw_exp =
+ (uint32_t)entry->pw_expiration;
+ }
+ break;
+
+ case AT_LAST_SUCCESS:
+ if (!exclude_nra && entry->last_success >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_LAST_SUCCESS;
+ ULOG_ENTRY(update, final).av_last_success =
+ (uint32_t)entry->last_success;
+ }
+ break;
+
+ case AT_LAST_FAILED:
+ if (!exclude_nra && entry->last_failed >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_LAST_FAILED;
+ ULOG_ENTRY(update, final).av_last_failed =
+ (uint32_t)entry->last_failed;
+ }
+ break;
+
+ case AT_FAIL_AUTH_COUNT:
+ if (!exclude_nra && entry->fail_auth_count >= (krb5_kvno)0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type =
+ AT_FAIL_AUTH_COUNT;
+ ULOG_ENTRY(update, final).av_fail_auth_count =
+ (uint32_t)entry->fail_auth_count;
+ }
+ break;
+
+ case AT_PRINC:
+ if (entry->princ->length > 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_PRINC;
+ if ((ret = conv_princ_2ulog(entry->princ,
+ update, final, REG_PRINC))) {
+ free(attr_types);
+ return (ret);
+ }
+ }
+ break;
+
+ case AT_KEYDATA:
+/* BEGIN CSTYLED */
+ if (entry->n_key_data >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_KEYDATA;
+ ULOG_ENTRY(update, final).av_keydata.av_keydata_len =
+ entry->n_key_data;
+ ULOG_ENTRY(update, final).av_keydata.av_keydata_val =
+ malloc(entry->n_key_data * sizeof (kdbe_key_t));
+ if (ULOG_ENTRY(update, final).av_keydata.av_keydata_val ==
+ NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+
+ for (j = 0; j < entry->n_key_data; j++) {
+ ULOG_ENTRY_KEYVAL(update, final, j).k_ver =
+ entry->key_data[j].key_data_ver;
+ ULOG_ENTRY_KEYVAL(update, final, j).k_kvno =
+ entry->key_data[j].key_data_kvno;
+ ULOG_ENTRY_KEYVAL(update, final, j).k_enctype.k_enctype_len = entry->key_data[j].key_data_ver;
+ ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_len = entry->key_data[j].key_data_ver;
+
+ ULOG_ENTRY_KEYVAL(update, final, j).k_enctype.k_enctype_val = malloc(entry->key_data[j].key_data_ver * sizeof(int32_t));
+ if (ULOG_ENTRY_KEYVAL(update, final, j).k_enctype.k_enctype_val == NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+
+ ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val = malloc(entry->key_data[j].key_data_ver * sizeof(utf8str_t));
+ if (ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val == NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+
+ for (cnt = 0; cnt < entry->key_data[j].key_data_ver;
+ cnt++) {
+ ULOG_ENTRY_KEYVAL(update, final, j).k_enctype.k_enctype_val[cnt] = entry->key_data[j].key_data_type[cnt];
+ ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val[cnt].utf8str_t_len = entry->key_data[j].key_data_length[cnt];
+ ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val[cnt].utf8str_t_val = malloc(entry->key_data[j].key_data_length[cnt] * sizeof (char));
+ if (ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val[cnt].utf8str_t_val == NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+ (void) memcpy(ULOG_ENTRY_KEYVAL(update, final, j).k_contents.k_contents_val[cnt].utf8str_t_val, entry->key_data[j].key_data_contents[cnt], entry->key_data[j].key_data_length[cnt]);
+ }
+ }
+ }
+ break;
+
+ case AT_TL_DATA:
+ ret = krb5_dbe_lookup_last_pwd_change(context, entry, &tmpint);
+ if (ret == 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_PW_LAST_CHANGE;
+ ULOG_ENTRY(update, final).av_pw_last_change = tmpint;
+ }
+ tmpint = 0;
+
+ if(!(ret = krb5_dbe_lookup_mod_princ_data(context, entry, &tmpint,
+ &tmpprinc))) {
+
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_MOD_PRINC;
+
+ ret = conv_princ_2ulog(tmpprinc, update, final, MOD_PRINC);
+ krb5_free_principal(context, tmpprinc);
+ if (ret) {
+ free(attr_types);
+ return (ret);
+ }
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_MOD_TIME;
+ ULOG_ENTRY(update, final).av_mod_time =
+ tmpint;
+ }
+
+ newtl = entry->tl_data;
+ while (newtl) {
+ switch (newtl->tl_data_type) {
+ case KRB5_TL_LAST_PWD_CHANGE:
+ case KRB5_TL_MOD_PRINC:
+ break;
+
+ case KRB5_TL_KADM_DATA:
+ default:
+ if (kadm_data_yes == 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_TL_DATA;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_len = 0;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_val =
+ malloc(entry->n_tl_data * sizeof(kdbe_tl_t));
+
+ if (ULOG_ENTRY(update, final).av_tldata.av_tldata_val
+ == NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+ kadm_data_yes = 1;
+ }
+
+ tmpint = ULOG_ENTRY(update, final).av_tldata.av_tldata_len;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_len++;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_val[tmpint].tl_type = newtl->tl_data_type;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_val[tmpint].tl_data.tl_data_len = newtl->tl_data_length;
+ ULOG_ENTRY(update, final).av_tldata.av_tldata_val[tmpint].tl_data.tl_data_val = malloc(newtl->tl_data_length * sizeof (char));
+ if (ULOG_ENTRY(update, final).av_tldata.av_tldata_val[tmpint].tl_data.tl_data_val == NULL) {
+ free(attr_types);
+ return (ENOMEM);
+ }
+ (void) memcpy(ULOG_ENTRY(update, final).av_tldata.av_tldata_val[tmpint].tl_data.tl_data_val, newtl->tl_data_contents, newtl->tl_data_length);
+ break;
+ }
+ newtl = newtl->tl_data_next;
+ }
+ break;
+/* END CSTYLED */
+
+ case AT_LEN:
+ if (entry->len >= 0) {
+ ULOG_ENTRY_TYPE(update, ++final).av_type = AT_LEN;
+ ULOG_ENTRY(update, final).av_len = (int16_t)entry->len;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+ free(attr_types);
+
+ /*
+ * Update len field in kdb_update
+ */
+ update->kdb_update.kdbe_t_len = ++final;
+ return (0);
+}
+
+/* Convert an update log (ulog) entry into a kerberos record. */
+krb5_error_code
+ulog_conv_2dbentry(krb5_context context, krb5_db_entry **entry,
+ kdb_incr_update_t *update)
+{
+ krb5_db_entry *ent;
+ int slave;
+ krb5_principal mod_princ = NULL;
+ int i, j, cnt = 0, mod_time = 0, nattrs;
+ krb5_principal dbprinc;
+ char *dbprincstr = NULL;
+ krb5_tl_data newtl;
+ krb5_error_code ret;
+ unsigned int prev_n_keys = 0;
+ krb5_boolean is_add;
+ void *newptr;
+
+ *entry = NULL;
+
+ slave = (context->kdblog_context != NULL) &&
+ (context->kdblog_context->iproprole == IPROP_SLAVE);
+
+ /*
+ * Store the no. of changed attributes in nattrs
+ */
+ nattrs = update->kdb_update.kdbe_t_len;
+
+ dbprincstr = malloc((update->kdb_princ_name.utf8str_t_len + 1)
+ * sizeof (char));
+ if (dbprincstr == NULL)
+ return (ENOMEM);
+ strncpy(dbprincstr, (char *)update->kdb_princ_name.utf8str_t_val,
+ update->kdb_princ_name.utf8str_t_len);
+ dbprincstr[update->kdb_princ_name.utf8str_t_len] = 0;
+
+ ret = krb5_parse_name(context, dbprincstr, &dbprinc);
+ free(dbprincstr);
+ if (ret)
+ return (ret);
+
+ ret = krb5_db_get_principal(context, dbprinc, 0, &ent);
+ krb5_free_principal(context, dbprinc);
+ if (ret && ret != KRB5_KDB_NOENTRY)
+ return (ret);
+ is_add = (ret == KRB5_KDB_NOENTRY);
+
+ /*
+ * Set ent->n_tl_data = 0 initially, if this is an ADD update
+ */
+ if (is_add) {
+ ent = calloc(1, sizeof(*ent));
+ if (ent == NULL)
+ return (ENOMEM);
+ ent->n_tl_data = 0;
+ }
+
+ for (i = 0; i < nattrs; i++) {
+ krb5_principal tmpprinc = NULL;
+
+#define u (ULOG_ENTRY(update, i))
+ switch (ULOG_ENTRY_TYPE(update, i).av_type) {
+ case AT_ATTRFLAGS:
+ ent->attributes = (krb5_flags) u.av_attrflags;
+ break;
+
+ case AT_MAX_LIFE:
+ ent->max_life = (krb5_deltat) u.av_max_life;
+ break;
+
+ case AT_MAX_RENEW_LIFE:
+ ent->max_renewable_life = (krb5_deltat) u.av_max_renew_life;
+ break;
+
+ case AT_EXP:
+ ent->expiration = (krb5_timestamp) u.av_exp;
+ break;
+
+ case AT_PW_EXP:
+ ent->pw_expiration = (krb5_timestamp) u.av_pw_exp;
+ break;
+
+ case AT_LAST_SUCCESS:
+ if (!slave)
+ ent->last_success = (krb5_timestamp) u.av_last_success;
+ break;
+
+ case AT_LAST_FAILED:
+ if (!slave)
+ ent->last_failed = (krb5_timestamp) u.av_last_failed;
+ break;
+
+ case AT_FAIL_AUTH_COUNT:
+ if (!slave)
+ ent->fail_auth_count = (krb5_kvno) u.av_fail_auth_count;
+ break;
+
+ case AT_PRINC:
+ tmpprinc = conv_princ_2db(context, &u.av_princ);
+ if (tmpprinc == NULL)
+ return ENOMEM;
+ krb5_free_principal(context, ent->princ);
+ ent->princ = tmpprinc;
+ break;
+
+ case AT_KEYDATA:
+ if (!is_add)
+ prev_n_keys = ent->n_key_data;
+ else
+ prev_n_keys = 0;
+ ent->n_key_data = (krb5_int16)u.av_keydata.av_keydata_len;
+ if (is_add)
+ ent->key_data = NULL;
+
+ /* Allocate one extra key data to avoid allocating zero bytes. */
+ newptr = realloc(ent->key_data, (ent->n_key_data + 1) *
+ sizeof(krb5_key_data));
+ if (newptr == NULL)
+ return ENOMEM;
+ ent->key_data = newptr;
+
+/* BEGIN CSTYLED */
+ for (j = prev_n_keys; j < ent->n_key_data; j++) {
+ for (cnt = 0; cnt < 2; cnt++) {
+ ent->key_data[j].key_data_contents[cnt] = NULL;
+ }
+ }
+ for (j = 0; j < ent->n_key_data; j++) {
+ krb5_key_data *kp = &ent->key_data[j];
+ kdbe_key_t *kv = &ULOG_ENTRY_KEYVAL(update, i, j);
+ kp->key_data_ver = (krb5_int16)kv->k_ver;
+ kp->key_data_kvno = (krb5_ui_2)kv->k_kvno;
+ if (kp->key_data_ver > 2) {
+ return EINVAL; /* XXX ? */
+ }
+
+ for (cnt = 0; cnt < kp->key_data_ver; cnt++) {
+ kp->key_data_type[cnt] = (krb5_int16)kv->k_enctype.k_enctype_val[cnt];
+ kp->key_data_length[cnt] = (krb5_int16)kv->k_contents.k_contents_val[cnt].utf8str_t_len;
+ newptr = realloc(kp->key_data_contents[cnt],
+ kp->key_data_length[cnt]);
+ if (newptr == NULL)
+ return ENOMEM;
+ kp->key_data_contents[cnt] = newptr;
+
+ (void) memset(kp->key_data_contents[cnt], 0,
+ kp->key_data_length[cnt]);
+ (void) memcpy(kp->key_data_contents[cnt],
+ kv->k_contents.k_contents_val[cnt].utf8str_t_val,
+ kp->key_data_length[cnt]);
+ }
+ }
+ break;
+
+ case AT_TL_DATA: {
+ for (j = 0; j < (int)u.av_tldata.av_tldata_len; j++) {
+ newtl.tl_data_type = (krb5_int16)u.av_tldata.av_tldata_val[j].tl_type;
+ newtl.tl_data_length = (krb5_int16)u.av_tldata.av_tldata_val[j].tl_data.tl_data_len;
+ newtl.tl_data_contents = (krb5_octet *)u.av_tldata.av_tldata_val[j].tl_data.tl_data_val;
+ newtl.tl_data_next = NULL;
+ if ((ret = krb5_dbe_update_tl_data(context, ent, &newtl)))
+ return (ret);
+ }
+ break;
+/* END CSTYLED */
+ }
+ case AT_PW_LAST_CHANGE:
+ if ((ret = krb5_dbe_update_last_pwd_change(context, ent,
+ u.av_pw_last_change)))
+ return (ret);
+ break;
+
+ case AT_MOD_PRINC:
+ tmpprinc = conv_princ_2db(context, &u.av_mod_princ);
+ if (tmpprinc == NULL)
+ return ENOMEM;
+ mod_princ = tmpprinc;
+ break;
+
+ case AT_MOD_TIME:
+ mod_time = u.av_mod_time;
+ break;
+
+ case AT_LEN:
+ ent->len = (krb5_int16) u.av_len;
+ break;
+
+ default:
+ break;
+ }
+#undef u
+ }
+
+ /*
+ * process mod_princ_data request
+ */
+ if (mod_time && mod_princ) {
+ ret = krb5_dbe_update_mod_princ_data(context, ent,
+ mod_time, mod_princ);
+ krb5_free_principal(context, mod_princ);
+ mod_princ = NULL;
+ if (ret)
+ return (ret);
+ }
+
+ *entry = ent;
+ return (0);
+}
+
+
+
+/*
+ * This routine frees up memory associated with the bunched ulog entries.
+ */
+void
+ulog_free_entries(kdb_incr_update_t *updates, int no_of_updates)
+{
+
+ kdb_incr_update_t *upd;
+ unsigned int i, j;
+ int k, cnt;
+
+ if (updates == NULL)
+ return;
+
+ upd = updates;
+
+ /*
+ * Loop thru each ulog entry
+ */
+ for (cnt = 0; cnt < no_of_updates; cnt++) {
+
+ /*
+ * ulog entry - kdb_princ_name
+ */
+ free(upd->kdb_princ_name.utf8str_t_val);
+
+/* BEGIN CSTYLED */
+
+ /*
+ * ulog entry - kdb_kdcs_seen_by
+ */
+ if (upd->kdb_kdcs_seen_by.kdb_kdcs_seen_by_val) {
+ for (i = 0; i < upd->kdb_kdcs_seen_by.kdb_kdcs_seen_by_len; i++)
+ free(upd->kdb_kdcs_seen_by.kdb_kdcs_seen_by_val[i].utf8str_t_val);
+ free(upd->kdb_kdcs_seen_by.kdb_kdcs_seen_by_val);
+ }
+
+ /*
+ * ulog entry - kdb_futures
+ */
+ free(upd->kdb_futures.kdb_futures_val);
+
+ /*
+ * ulog entry - kdb_update
+ */
+ if (upd->kdb_update.kdbe_t_val) {
+ /*
+ * Loop thru all the attributes and free up stuff
+ */
+ for (i = 0; i < upd->kdb_update.kdbe_t_len; i++) {
+
+ /*
+ * Free av_key_data
+ */
+ if ((ULOG_ENTRY_TYPE(upd, i).av_type == AT_KEYDATA) && ULOG_ENTRY(upd, i).av_keydata.av_keydata_val) {
+
+ for (j = 0; j < ULOG_ENTRY(upd, i).av_keydata.av_keydata_len; j++) {
+ free(ULOG_ENTRY_KEYVAL(upd, i, j).k_enctype.k_enctype_val);
+ if (ULOG_ENTRY_KEYVAL(upd, i, j).k_contents.k_contents_val) {
+ for (k = 0; k < ULOG_ENTRY_KEYVAL(upd, i, j).k_ver; k++) {
+ free(ULOG_ENTRY_KEYVAL(upd, i, j).k_contents.k_contents_val[k].utf8str_t_val);
+ }
+ free(ULOG_ENTRY_KEYVAL(upd, i, j).k_contents.k_contents_val);
+ }
+ }
+ free(ULOG_ENTRY(upd, i).av_keydata.av_keydata_val);
+ }
+
+
+ /*
+ * Free av_tl_data
+ */
+ if ((ULOG_ENTRY_TYPE(upd, i).av_type == AT_TL_DATA) && ULOG_ENTRY(upd, i).av_tldata.av_tldata_val) {
+ for (j = 0; j < ULOG_ENTRY(upd, i).av_tldata.av_tldata_len; j++) {
+ free(ULOG_ENTRY(upd, i).av_tldata.av_tldata_val[j].tl_data.tl_data_val);
+ }
+ free(ULOG_ENTRY(upd, i).av_tldata.av_tldata_val);
+ }
+
+ /*
+ * Free av_princ
+ */
+ if (ULOG_ENTRY_TYPE(upd, i).av_type == AT_PRINC) {
+ free(ULOG_ENTRY(upd, i).av_princ.k_realm.utf8str_t_val);
+ if (ULOG_ENTRY(upd, i).av_princ.k_components.k_components_val) {
+ for (j = 0; j < ULOG_ENTRY(upd, i).av_princ.k_components.k_components_len; j++) {
+ free(ULOG_ENTRY_PRINC(upd, i, j).k_data.utf8str_t_val);
+ }
+ free(ULOG_ENTRY(upd, i).av_princ.k_components.k_components_val);
+ }
+ }
+
+ /*
+ * Free av_mod_princ
+ */
+ if (ULOG_ENTRY_TYPE(upd, i).av_type == AT_MOD_PRINC) {
+ free(ULOG_ENTRY(upd, i).av_mod_princ.k_realm.utf8str_t_val);
+ if (ULOG_ENTRY(upd, i).av_mod_princ.k_components.k_components_val) {
+ for (j = 0; j < ULOG_ENTRY(upd, i).av_mod_princ.k_components.k_components_len; j++) {
+ free(ULOG_ENTRY_MOD_PRINC(upd, i, j).k_data.utf8str_t_val);
+ }
+ free(ULOG_ENTRY(upd, i).av_mod_princ.k_components.k_components_val);
+ }
+ }
+
+ /*
+ * Free av_mod_where
+ */
+ if ((ULOG_ENTRY_TYPE(upd, i).av_type == AT_MOD_WHERE) && ULOG_ENTRY(upd, i).av_mod_where.utf8str_t_val)
+ free(ULOG_ENTRY(upd, i).av_mod_where.utf8str_t_val);
+
+ /*
+ * Free av_pw_policy
+ */
+ if ((ULOG_ENTRY_TYPE(upd, i).av_type == AT_PW_POLICY) && ULOG_ENTRY(upd, i).av_pw_policy.utf8str_t_val)
+ free(ULOG_ENTRY(upd, i).av_pw_policy.utf8str_t_val);
+
+ /*
+ * XXX: Free av_pw_hist
+ *
+ * For now, we just free the pointer
+ * to av_pw_hist_val, since we aren't
+ * populating this union member in
+ * the conv api function(s) anyways.
+ */
+ if ((ULOG_ENTRY_TYPE(upd, i).av_type == AT_PW_HIST) && ULOG_ENTRY(upd, i).av_pw_hist.av_pw_hist_val)
+ free(ULOG_ENTRY(upd, i).av_pw_hist.av_pw_hist_val);
+
+ }
+
+ /*
+ * Free up the pointer to kdbe_t_val
+ */
+ free(upd->kdb_update.kdbe_t_val);
+ }
+
+/* END CSTYLED */
+
+ /*
+ * Bump up to next struct
+ */
+ upd++;
+ }
+
+
+ /*
+ * Finally, free up the pointer to the bunched ulog entries
+ */
+ free(updates);
+}