static errno_t
ipa_sudo_conv_store(hash_table_t *table,
const char *key,
void *value)
{
hash_key_t hkey;
hash_value_t hvalue;
int hret;
if (table == NULL || key == NULL) {
return EINVAL;
}
hkey.type = HASH_KEY_STRING;
hkey.str = discard_const(key);
/* If value is NULL we don't want to override existing entry. */
if (value == NULL && hash_has_key(table, &hkey)) {
return EEXIST;
}
hvalue.type = HASH_VALUE_PTR;
hvalue.ptr = value;
hret = hash_enter(table, &hkey, &hvalue);
if (hret != HASH_SUCCESS) {
return EIO;
}
if (value != NULL) {
talloc_steal(table, value);
}
return EOK;
}
s3wid_t dict_add_word (dict_t *d, char *word, s3cipid_t *p, int32 np)
{
int32 w, len;
dictword_t *wordp;
s3wid_t newwid;
if (d->n_word >= d->max_words) {
E_ERROR("Dictionary full; add(%s) failed\n", word);
return (BAD_WID);
}
wordp = d->word + d->n_word;
wordp->word = (char *) ckd_salloc (word);
/* Associate word string with d->n_word in hash table */
if (hash_enter (d->ht, wordp->word, d->n_word) != d->n_word) {
ckd_free (wordp->word);
return (BAD_WID);
}
/* Fill in word entry, and set defaults */
if (p && (np > 0)) {
wordp->ciphone = (s3cipid_t *) ckd_malloc (np * sizeof(s3cipid_t));
memcpy (wordp->ciphone, p, np*sizeof(s3cipid_t));
wordp->pronlen = np;
} else {
wordp->ciphone = NULL;
wordp->pronlen = 0;
}
wordp->alt = BAD_WID;
wordp->basewid = d->n_word;
wordp->n_comp = 0;
wordp->comp = NULL;
/* Determine base/alt wids */
if ((len = word2basestr (word)) > 0) {
/* Truncated to a baseword string; find its ID */
if (hash_lookup (d->ht, word, &w) < 0) {
word[len] = '('; /* Get back the original word */
E_FATAL("Missing base word for: %s\n", word);
} else
word[len] = '('; /* Get back the original word */
/* Link into alt list */
wordp->basewid = w;
wordp->alt = d->word[w].alt;
d->word[w].alt = d->n_word;
}
newwid = d->n_word++;
return (newwid);
}
static void ciphone_add (mdef_t *m, char *ci, s3pid_t p)
{
if (mdef->n_ciphone >= max_ciphone)
E_FATAL("Max CI phones (%d) exceeded\n", max_ciphone);
/* Make sure pid being assigned is the next free ciphone */
assert (p == mdef->n_ciphone);
/* Note ciphone name */
mdef->ciphone[p].name = (char *) ckd_salloc (ci);
if (hash_enter (mdef->ciphone_ht, mdef->ciphone[p].name, p) < 0)
E_FATAL("hash_enter(%s) failed\n", mdef->ciphone[p].name);
mdef->n_ciphone++;
}
static int32
word2id(char *w)
{
int32 wid;
if (hash_lookup(dict_ht, w, &wid) < 0) {
if (n_word >= n_word_alloc)
E_FATAL("Increase dictionary size\n");
word[n_word] = ckd_salloc(w);
hash_enter(dict_ht, word[n_word], n_word);
wid = n_word++;
}
return wid;
}
static s3cipid_t dict_ciphone_id (dict_t *d, char *str)
{
int32 id;
if (d->mdef)
return mdef_ciphone_id (d->mdef, str);
else {
if (hash_lookup (d->pht, str, &id) < 0) {
id = (d->n_ciphone)++;
if (id >= MAX_CIPID)
E_FATAL("Too many CIphones in dictionary; increase MAX_CIPID\n");
d->ciphone_str[id] = (char *) ckd_salloc(str);
if (hash_enter (d->pht, d->ciphone_str[id], id) != id)
E_FATAL("hash_enter(local-phonetable, %s) failed\n", str);
}
return id;
}
}
int create_env_hash_table(char ** env, hash_table_t ** table_out) {
hash_table_t *local_table = NULL;
hash_key_t key;
hash_value_t value;
char * tmp;
char **ui;
int err_h;
err_h = hash_create((unsigned long)INIT_ENV_TABLE_SIZE,
&local_table,
delete_callback,
NULL);
if (err_h != HASH_SUCCESS) {
fprintf(stderr, "couldn't create hash table (%s)\n", hash_error_string(err_h));
return err_h;
}
for(ui = (char **) msg.user_env; *ui!=NULL; ui++) {
tmp = strchr(*ui,'=');
*tmp = '\0';
key.type = HASH_KEY_STRING;
key.str = strdup(*ui);
value.type = HASH_VALUE_PTR;
value.ptr = tmp+1;
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "couldn't add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
*tmp = '=' ;
}
*table_out = local_table;
return HASH_SUCCESS;
}
static errno_t
add_sids_from_rid_array_to_hash_table(struct dom_sid *dom_sid,
struct samr_RidWithAttributeArray *groups,
struct sss_idmap_ctx *idmap_ctx,
hash_table_t *sid_table)
{
enum idmap_error_code err;
char *dom_sid_str = NULL;
size_t dom_sid_str_len;
char *sid_str = NULL;
char *rid_start;
hash_key_t key;
hash_value_t value;
int ret;
size_t c;
TALLOC_CTX *tmp_ctx = NULL;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "talloc_new failed.\n");
return ENOMEM;
}
key.type = HASH_KEY_STRING;
value.type = HASH_VALUE_ULONG;
err = sss_idmap_smb_sid_to_sid(idmap_ctx, dom_sid, &dom_sid_str);
if (err != IDMAP_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "sss_idmap_smb_sid_to_sid failed.\n");
ret = EFAULT;
goto done;
}
dom_sid_str_len = strlen(dom_sid_str);
sid_str = talloc_zero_size(tmp_ctx, dom_sid_str_len + 12);
if (sid_str == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "talloc_zero_size failed.\n");
ret = ENOMEM;
goto done;
}
rid_start = sid_str + dom_sid_str_len;
memcpy(sid_str, dom_sid_str, dom_sid_str_len);
for (c = 0; c < groups->count; c++) {
memset(rid_start, '\0', 12);
ret = snprintf(rid_start, 12, "-%lu",
(unsigned long) groups->rids[c].rid);
if (ret < 0 || ret > 12) {
DEBUG(SSSDBG_OP_FAILURE, "snprintf failed.\n");
ret = EIO;
goto done;
}
key.str = sid_str;
value.ul = 0;
ret = hash_enter(sid_table, &key, &value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "hash_enter failed [%d][%s].\n",
ret, hash_error_string(ret));
ret = EIO;
goto done;
}
}
ret = EOK;
done:
sss_idmap_free_sid(idmap_ctx, dom_sid_str);
talloc_free(tmp_ctx);
return ret;
}
int find_path( int in_room_vnum, int out_room_vnum, CHAR_DATA *ch,
int depth, int in_zone )
{
struct room_q *tmp_q, *q_head, *q_tail;
struct hash_header x_room;
int i, tmp_room, count=0, thru_doors;
ROOM_INDEX_DATA *herep;
ROOM_INDEX_DATA *startp;
EXIT_DATA *exitp;
if ( depth <0 )
{
thru_doors = TRUE;
depth = -depth;
}
else
{
thru_doors = FALSE;
}
startp = get_room_index( in_room_vnum );
init_hash_table( &x_room, sizeof(int), 2048 );
hash_enter( &x_room, in_room_vnum, (void *) - 1 );
/* initialize queue */
q_head = (struct room_q *) malloc(sizeof(struct room_q));
q_tail = q_head;
q_tail->room_nr = in_room_vnum;
q_tail->next_q = 0;
while(q_head)
{
herep = get_room_index( q_head->room_nr );
/* for each room test all directions */
if( herep->area == startp->area || !in_zone )
{
/* only look in this zone...
saves cpu time and makes world safer for players */
for( i = 0; i <= 5; i++ )
{
exitp = herep->exit[i];
if( exit_ok(exitp) && ( thru_doors ? GO_OK_SMARTER : GO_OK ) )
{
/* next room */
tmp_room = herep->exit[i]->to_room->vnum;
if( tmp_room != out_room_vnum )
{
/* shall we add room to queue ?
count determines total breadth and depth */
if( !hash_find( &x_room, tmp_room )
&& ( count < depth ) )
/* && !IS_SET( RM_FLAGS(tmp_room), DEATH ) ) */
{
count++;
/* mark room as visted and put on queue */
tmp_q = (struct room_q *)
malloc(sizeof(struct room_q));
tmp_q->room_nr = tmp_room;
tmp_q->next_q = 0;
q_tail->next_q = tmp_q;
q_tail = tmp_q;
/* ancestor for first layer is the direction */
hash_enter( &x_room, tmp_room,
((int)hash_find(&x_room,q_head->room_nr)
== -1) ? (void*)(i+1)
: hash_find(&x_room,q_head->room_nr));
}
}
else
{
/* have reached our goal so free queue */
tmp_room = q_head->room_nr;
for(;q_head;q_head = tmp_q)
{
tmp_q = q_head->next_q;
free(q_head);
}
/* return direction if first layer */
if ((int)hash_find(&x_room,tmp_room)==-1)
{
if (x_room.buckets)
{
/* junk left over from a previous track */
destroy_hash_table(&x_room, donothing);
}
return(i);
}
else
{
/* else return the ancestor */
int i;
i = (int)hash_find(&x_room,tmp_room);
if (x_room.buckets)
{
/* junk left over from a previous track */
destroy_hash_table(&x_room, donothing);
}
return( -1+i);
}
}
}
}
}
/* free queue head and point to next entry */
tmp_q = q_head->next_q;
free(q_head);
q_head = tmp_q;
}
/* couldn't find path */
if( x_room.buckets )
{
/* junk left over from a previous track */
destroy_hash_table( &x_room, donothing );
}
return -1;
}
int create_settings_hash_table(hash_table_t ** table_out) {
hash_table_t *local_table = NULL;
hash_key_t key;
hash_value_t value;
const char * truth = strdup("TRUE");
const char * fallacy = strdup("FALSE");
int err_h;
err_h = hash_create((unsigned long)INIT_SETTINGS_TABLE_SIZE,
&local_table,
delete_callback,
NULL);
if (err_h != HASH_SUCCESS) {
fprintf(stderr, "couldn't create hash table (%s)\n", hash_error_string(err_h));
return err_h;
}
key.type = HASH_KEY_STRING;
value.type = HASH_VALUE_PTR;
if(msg.runas_user && *msg.runas_user ){
key.str = strdup(SSS_SUDO_ITEM_RUSER);
value.ptr = msg.runas_user;
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
}
if(msg.runas_group && *msg.runas_group ){
key.str = strdup(SSS_SUDO_ITEM_RGROUP);
value.ptr = msg.runas_group;
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
}
if(msg.prompt && *msg.prompt ){
key.str = strdup(SSS_SUDO_ITEM_PROMPT);
value.ptr = msg.prompt;
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
}
if(msg.network_addrs && *msg.network_addrs ){
key.str = strdup(SSS_SUDO_ITEM_NETADDR);
value.ptr = msg.network_addrs;
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
}
key.str = strdup(SSS_SUDO_ITEM_USE_SUDOEDIT);
value.ptr = GET_BOOL_STRING(msg.use_sudoedit);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_SETHOME);
value.ptr = GET_BOOL_STRING(msg.use_set_home);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_PRESERV_ENV);
value.ptr = GET_BOOL_STRING(msg.use_preserve_environment);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_IMPLIED_SHELL);
value.ptr = GET_BOOL_STRING(msg.use_implied_shell);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_LOGIN_SHELL);
value.ptr = GET_BOOL_STRING(msg.use_login_shell);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_RUN_SHELL);
value.ptr = GET_BOOL_STRING(msg.use_run_shell);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_PRE_GROUPS);
value.i = GET_BOOL_STRING(msg.use_preserve_groups);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_IGNORE_TICKET);
value.ptr = GET_BOOL_STRING(msg.use_ignore_ticket);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_USE_NON_INTERACTIVE);
value.ptr =GET_BOOL_STRING(msg.use_noninteractive);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_DEBUG_LEVEL);
value.ptr = GET_BOOL_STRING(msg.debug_level);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
key.str = strdup(SSS_SUDO_ITEM_CLI_PID);
asprintf(&value.ptr,"%u",msg.cli_pid);
if ((err_h = hash_enter(local_table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(err_h));
return err_h;
}
free(key.str);
*table_out = local_table;
return HASH_SUCCESS;
}
static errno_t process_ext_groups(TALLOC_CTX *mem_ctx, size_t reply_count,
struct sysdb_attrs **reply,
hash_table_t **_ext_group_hash)
{
int ret;
hash_table_t *ext_group_hash = NULL;
hash_key_t key;
hash_value_t value;
hash_table_t *m_hash = NULL;
hash_key_t m_key;
hash_value_t m_value;
size_t g;
size_t s;
size_t m;
TALLOC_CTX *tmp_ctx = NULL;
const char **ext_sids;
const char **mof;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "talloc_new failed.\n");
ret = ENOMEM;
goto done;
}
ret = sss_hash_create(mem_ctx, reply_count, &ext_group_hash);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "sss_hash_create failed.\n");
goto done;
}
key.type = HASH_KEY_STRING;
m_key.type = HASH_KEY_STRING;
m_value.type = HASH_VALUE_PTR;
m_value.ptr = NULL;
for (g = 0; g < reply_count; g++) {
ret = sysdb_attrs_get_string_array(reply[g], "ipaExternalMember",
tmp_ctx, &ext_sids);
if (ret == ENOENT) {
/* no external members, try next external group. */
continue;
}
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
"sysdb_attrs_get_string_array failed.\n");
goto done;
}
ret = sysdb_attrs_get_string_array(reply[g], "memberOf",
tmp_ctx, &mof);
if (ret == ENOENT) {
/* no IPA groups, try next external group. */
continue;
}
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
"sysdb_attrs_get_string_array failed.\n");
goto done;
}
for (s = 0; ext_sids[s] != NULL; s++) {
/* hash_lookup does not modify key.str. */
key.str = discard_const(ext_sids[s]);
ret = hash_lookup(ext_group_hash, &key, &value);
if (ret == HASH_SUCCESS) {
if (value.type != HASH_VALUE_PTR) {
DEBUG(SSSDBG_OP_FAILURE, "Unexpected value type.\n");
ret = EINVAL;
goto done;
}
for (m = 0; mof[m] != NULL; m++) {
/* hash_enter does not modify m_key.str. */
m_key.str = discard_const(mof[m]);
DEBUG(SSSDBG_TRACE_ALL, "Adding group [%s] to SID [%s].\n",
m_key.str, key.str);
ret = hash_enter(value.ptr, &m_key, &m_value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "hash_enter failed.\n");
goto done;
}
}
} else if (ret == HASH_ERROR_KEY_NOT_FOUND) {
ret = sss_hash_create(ext_group_hash, 5, &m_hash);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "sss_hash_create failed.\n");
goto done;
}
value.type = HASH_VALUE_PTR;
value.ptr = m_hash;
DEBUG(SSSDBG_TRACE_ALL,
"Adding SID [%s] to external group hash.\n", key.str);
ret = hash_enter(ext_group_hash, &key, &value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "hash_enter failed.\n");
goto done;
}
for (m = 0; mof[m] != NULL; m++) {
/* hash_enter does not modify m_key.str. */
m_key.str = discard_const(mof[m]);
DEBUG(SSSDBG_TRACE_ALL, "Adding group [%s] to SID [%s].\n",
m_key.str, key.str);
ret = hash_enter(m_hash, &m_key, &m_value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "hash_enter failed.\n");
goto done;
}
}
} else {
DEBUG(SSSDBG_OP_FAILURE, "hash_lookup failed.\n");
goto done;
}
}
}
ret = EOK;
done:
if (ret != EOK) {
talloc_free(ext_group_hash);
} else {
*_ext_group_hash = ext_group_hash;
}
talloc_free(tmp_ctx);
return ret;
}
static errno_t find_ipa_ext_memberships(TALLOC_CTX *mem_ctx,
const char *user_name,
struct sss_domain_info *user_dom,
hash_table_t *ext_group_hash,
struct ldb_dn **_user_dn,
char ***_groups)
{
int ret;
TALLOC_CTX *tmp_ctx = NULL;
struct ldb_result *result;
char **groups = NULL;
size_t c;
const char *sid;
hash_key_t key;
hash_value_t value;
hash_entry_t *entry;
struct hash_iter_context_t *iter;
hash_table_t *group_hash;
size_t g_count;
struct ldb_dn *user_dn = NULL;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
return ENOMEM;
}
ret = sysdb_initgroups(tmp_ctx, user_dom, user_name, &result);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "sysdb_initgroups failed.\n");
goto done;
}
if (result->count == 0) {
DEBUG(SSSDBG_MINOR_FAILURE, "User [%s] not found in cache.\n",
user_name);
ret = EOK;
goto done;
}
ret = sss_hash_create(tmp_ctx, 10, &group_hash);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "sss_hash_create failed.\n");
goto done;
}
key.type = HASH_KEY_STRING;
/* The IPA external domains can have references to group and user SIDs.
* This means that we not only want to look up the group SIDs but the SID
* of the user (first element of result) as well. */
for (c = 0; c < result->count; c++) {
sid = ldb_msg_find_attr_as_string(result->msgs[c], SYSDB_SID_STR,
NULL);
if (sid == NULL) {
DEBUG(SSSDBG_MINOR_FAILURE, "Group [%s] does not have a SID.\n",
ldb_dn_get_linearized(result->msgs[c]->dn));
continue;
}
key.str = discard_const(sid);
ret = hash_lookup(ext_group_hash, &key, &value);
if (ret == HASH_ERROR_KEY_NOT_FOUND) {
DEBUG(SSSDBG_TRACE_ALL, "SID [%s] not found in ext group hash.\n",
sid);
} else if (ret == HASH_SUCCESS) {
iter = new_hash_iter_context(value.ptr);
if (iter == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "new_hash_iter_context failed.\n");
ret = EINVAL;
goto done;
}
while ((entry = iter->next(iter)) != NULL) {
ret = hash_enter(group_hash, &entry->key, &entry->value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_OP_FAILURE, "Failed to add group [%s].\n",
entry->key.str);
}
}
talloc_free(iter);
} else {
DEBUG(SSSDBG_OP_FAILURE, "hash_lookup failed for SID [%s].\n",
sid);
}
}
g_count = hash_count(group_hash);
if (g_count == 0) {
DEBUG(SSSDBG_TRACE_FUNC, "No external groupmemberships found.\n");
ret = EOK;
goto done;
}
groups = talloc_zero_array(mem_ctx, char *, g_count + 1);
if (groups == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "talloc_array failed.\n");
ret = ENOMEM;
goto done;
}
iter = new_hash_iter_context(group_hash);
if (iter == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "new_hash_iter_context failed.\n");
ret = EINVAL;
goto done;
}
c = 0;
while ((entry = iter->next(iter)) != NULL) {
groups[c] = talloc_strdup(groups, entry->key.str);
if (groups[c] == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "talloc_strdup failed.\n");
ret = ENOMEM;
goto done;
}
c++;
}
user_dn = ldb_dn_copy(mem_ctx, result->msgs[0]->dn);
if (user_dn == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "ldb_dn_copy failed.\n");
ret = ENOMEM;
goto done;
}
ret = EOK;
done:
*_user_dn = user_dn;
*_groups = groups;
talloc_free(tmp_ctx);
return ret;
}
static errno_t get_active_uid_linux(hash_table_t *table, uid_t search_uid)
{
DIR *proc_dir = NULL;
struct dirent *dirent;
int ret, err;
pid_t pid = -1;
uid_t uid;
hash_key_t key;
hash_value_t value;
proc_dir = opendir("/proc");
if (proc_dir == NULL) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot open proc dir.\n");
goto done;
};
errno = 0;
while ((dirent = readdir(proc_dir)) != NULL) {
if (only_numbers(dirent->d_name) != 0) continue;
ret = name_to_pid(dirent->d_name, &pid);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "name_to_pid failed.\n");
goto done;
}
ret = get_uid_from_pid(pid, &uid);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "get_uid_from_pid failed.\n");
goto done;
}
if (table != NULL) {
key.type = HASH_KEY_ULONG;
key.ul = (unsigned long) uid;
value.type = HASH_VALUE_ULONG;
value.ul = (unsigned long) uid;
ret = hash_enter(table, &key, &value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_CRIT_FAILURE,
"cannot add to table [%s]\n", hash_error_string(ret));
ret = ENOMEM;
goto done;
}
} else {
if (uid == search_uid) {
ret = EOK;
goto done;
}
}
errno = 0;
}
if (errno != 0 && dirent == NULL) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "readdir failed.\n");
goto done;
}
ret = closedir(proc_dir);
proc_dir = NULL;
if (ret == -1) {
DEBUG(SSSDBG_CRIT_FAILURE, "closedir failed, watch out.\n");
}
if (table != NULL) {
ret = EOK;
} else {
ret = ENOENT;
}
done:
if (proc_dir != NULL) {
err = closedir(proc_dir);
if (err) {
DEBUG(SSSDBG_CRIT_FAILURE, "closedir failed, bad dirp?\n");
}
}
return ret;
}
int main(int argc, char **argv)
{
static hash_table_t *table = NULL;
hash_key_t key, *keys;
hash_value_t value;
struct hash_iter_context_t *iter;
hash_entry_t *entry;
unsigned long i, n_entries;
int error;
struct my_data_t *my_data = new_data(1024, "Hello World!");
unsigned long count;
/* Create a hash table */
error = hash_create(10, &table, delete_callback, NULL);
if (error != HASH_SUCCESS) {
fprintf(stderr, "cannot create hash table (%s)\n", hash_error_string(error));
return error;
}
/* Enter a key named "My Data" and specify it's value as a pointer to my_data */
key.type = HASH_KEY_STRING;
key.str = strdup("My Data");
value.type = HASH_VALUE_PTR;
value.ptr = my_data;
if ((error = hash_enter(table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot add to table \"%s\" (%s)\n", key.str, hash_error_string(error));
return error;
}
free(key.str);
/* Get a list of keys and print them out, free the list when we're done */
if ((error = hash_keys(table, &count, &keys)) != HASH_SUCCESS) {
fprintf(stderr, "cannot get key list (%s)\n", hash_error_string(error));
return error;
}
for (i = 0; i < count; i++)
printf("key: %s\n", keys[i].str);
free(keys);
/* Lookup the key named "My Data" */
key.type = HASH_KEY_STRING;
key.str = strdup("My Data");
if ((error = hash_lookup(table, &key, &value)) != HASH_SUCCESS) {
fprintf(stderr, "cannot find key \"%s\" (%s)\n", key.str, hash_error_string(error));
}
free(key.str);
/* Visit each entry in the table, callback will increment count on each visit */
printf("Iterate using callback\n");
count = 0;
hash_iterate(table, visit_callback, &count);
/* Assure number of visits equal the table size */
assert(count == hash_count(table));
/* Visit each entry using iterator object */
printf("Iterate using iterator\n");
n_entries = 0;
iter = new_hash_iter_context(table);
while ((entry = iter->next(iter)) != NULL) {
struct my_data_t *data = (struct my_data_t *) entry->value.ptr;
printf("%s = [foo=%d bar=%s]\n", entry->key.str, data->foo, data->bar);
n_entries++;
}
free(iter);
/* Assure number of visits equal the table size */
assert(n_entries == hash_count(table));
/* Remove the entry, deletion callback will be invoked */
key.type = HASH_KEY_STRING;
key.str = strdup("My Data");
if ((error = hash_delete(table, &key)) != HASH_SUCCESS) {
fprintf(stderr, "cannot delete from table (%s)\n", hash_error_string(error));
}
/* Assure key is no longer in table */
assert (!hash_has_key(table, &key));
free(key.str);
/* Free the table */
hash_destroy(table);
return 0;
}
