void
cmd_list_create(struct response *rsp, struct request *req, struct command *cmd)
{
struct item *it;
struct bstring *key = _get_key(req);
struct element *reply = (struct element *)array_push(rsp->token);
INCR(process_metrics, list_create);
it = _add_key(rsp, key);
if (it == NULL) {
log_debug("command '%.*s' '%.*s' failed: cannot store", cmd->bstr.len,
cmd->bstr.data, key->len, key->data);
return;
}
/* initialize data structure */
ziplist_reset((ziplist_p)item_data(it));
it->vlen = ZIPLIST_HEADER_SIZE;
/* link into index */
item_insert(it, key);
rsp->type = reply->type = ELEM_STR;
reply->bstr = str2bstr(RSP_OK);
log_verb("command '%.*s' '%.*s' succeeded", cmd->bstr.len, cmd->bstr.data,
key->len, key->data);
}
int zuluCryptAddKey( const char * device,const char * existingkey,size_t existingkey_size,const char * newkey,size_t newkey_size )
{
string_t st ;
int fd ;
int r ;
if( StringPrefixEqual( device,"/dev/" ) ){
return _add_key( device,existingkey,existingkey_size,newkey,newkey_size ) ;
}else{
/*
* zuluCryptAttachLoopDeviceToFile() is defined in ./create_loop.c
*/
if( zuluCryptAttachLoopDeviceToFile( device,O_RDWR,&fd,&st ) ){
r = _add_key( StringContent( st ),existingkey,existingkey_size,newkey,newkey_size ) ;
StringDelete( &st ) ;
close( fd ) ;
return r ;
}else{
return 1 ;
}
}
}
PersistEntryHandle
persist_state_alloc_entry(PersistState *self, const gchar *persist_name, gsize alloc_size)
{
PersistEntryHandle handle;
persist_state_remove_entry(self, persist_name);
handle = _alloc_value(self, alloc_size, TRUE, self->version);
if (!handle)
return 0;
if (!_add_key(self, persist_name, handle))
{
_free_value(self, handle);
return 0;
}
return handle;
}
/* function to load v2 and v3 format persistent files */
static gboolean
_load_v23(PersistState *self, gint version, SerializeArchive *sa)
{
gchar *key, *value;
while (serialize_read_cstring(sa, &key, NULL))
{
gsize len;
guint32 str_len;
if (key[0] && serialize_read_cstring(sa, &value, &len))
{
gpointer new_block;
PersistEntryHandle new_handle;
/* add length of the string */
new_handle = _alloc_value(self, len + sizeof(str_len), FALSE, version);
new_block = persist_state_map_entry(self, new_handle);
/* NOTE: we add an extra length field to the old value, as our
* persist_state_lookup_string() needs that.
* persist_state_lookup_string is used to fetch disk queue file
* names. It could have been solved somewhat better, but now it
* doesn't justify a persist-state file format change.
*/
str_len = GUINT32_TO_BE(len);
memcpy(new_block, &str_len, sizeof(str_len));
memcpy(new_block + sizeof(str_len), value, len);
persist_state_unmap_entry(self, new_handle);
/* add key to the current file */
_add_key(self, key, new_handle);
g_free(value);
g_free(key);
}
else
{
g_free(key);
break;
}
}
return TRUE;
}
static inline void
_add_key_if_not_too_busy(int code)
{
if (keysem.counter < 2)
_add_key(code);
}
/******************************************************************************
* stream_io_server_push *
* *
* in: request ... Flick request structure *
* event ... incoming event *
* out: _ev ... Flick exception (unused) *
* ret: 0 ... success *
* *
* handle incoming events *
*****************************************************************************/
void
stream_io_push_component(CORBA_Object _dice_corba_obj,
const stream_io_input_event_t *event,
CORBA_Server_Environment *_dice_corba_env)
{
stream_io_input_event_t const *input_ev = event;
switch(input_ev->type)
{
case EV_KEY:
switch(input_ev->code)
{
case KEY_RIGHTSHIFT:
case KEY_LEFTSHIFT:
if (input_ev->value)
__shift = 1;
else
__shift = 0;
touch_repeat(input_ev->code, 0);
return;
case KEY_LEFTCTRL:
case KEY_RIGHTCTRL:
if (input_ev->value)
__ctrl = 1;
else
__ctrl = 0;
touch_repeat(input_ev->code, 0);
return;
case KEY_UP:
if(input_ev->value && __shift)
{
_key_scroll(SDOWN, 1);
touch_repeat(input_ev->code, input_ev->value);
return;
}
break;
case KEY_PAGEUP:
if(input_ev->value && __shift)
{
_key_scroll(SDOWN, 20);
touch_repeat(input_ev->code, input_ev->value);
return;
}
break;
case KEY_DOWN:
if(input_ev->value && __shift)
{
_key_scroll(SUP, 1);
touch_repeat(input_ev->code, input_ev->value);
return;
}
break;
case KEY_PAGEDOWN:
if(input_ev->value && __shift)
{
_key_scroll(SUP, 20);
touch_repeat(input_ev->code, input_ev->value);
return;
}
break;
}
/* ignore mouse buttons */
if(input_ev->code>=BTN_MOUSE && input_ev->code<=BTN_TASK)
break;
if(input_ev->value)
{
int gap = OFS_LINES(sb_y-fline);
if (gap)
_key_scroll(SUP, gap);
_add_key(input_ev->code);
}
touch_repeat(input_ev->code, input_ev->value);
break;
case EV_CON:
switch(input_ev->code)
{
case EV_CON_REDRAW:
if (__init)
_redraw();
break;
}
}
}
/** generate auth response string for the SASL DIGEST-MD5 mechanism */
char *sasl_digest_md5(xmpp_ctx_t *ctx, const char *challenge,
const char *jid, const char *password) {
hash_t *table;
char *result = NULL;
char *node, *domain, *realm;
char *value;
char *response;
int rlen;
struct MD5Context MD5;
unsigned char digest[16], HA1[16], HA2[16];
char hex[32];
char cnonce[13];
/* our digest response is
Hex( KD( HEX(MD5(A1)),
nonce ':' nc ':' cnonce ':' qop ':' HEX(MD5(A2))
))
where KD(k, s) = MD5(k ':' s),
A1 = MD5( node ':' realm ':' password ) ':' nonce ':' cnonce
A2 = "AUTHENTICATE" ':' "xmpp/" domain
If there is an authzid it is ':'-appended to A1 */
/* parse the challenge */
table = _parse_digest_challenge(ctx, challenge);
if (table == NULL) {
xmpp_error(ctx, "SASL", "couldn't parse digest challenge");
return NULL;
}
node = xmpp_jid_node(ctx, jid);
domain = xmpp_jid_domain(ctx, jid);
/* generate default realm of domain if one didn't come from the
server */
realm = hash_get(table, "realm");
if (realm == NULL || strlen(realm) == 0) {
hash_add(table, "realm", xmpp_strdup(ctx, domain));
realm = hash_get(table, "realm");
}
/* add our response fields */
hash_add(table, "username", xmpp_strdup(ctx, node));
xmpp_rand_nonce(ctx->rand, cnonce, sizeof(cnonce));
hash_add(table, "cnonce", xmpp_strdup(ctx, cnonce));
hash_add(table, "nc", xmpp_strdup(ctx, "00000001"));
hash_add(table, "qop", xmpp_strdup(ctx, "auth"));
value = xmpp_alloc(ctx, 5 + strlen(domain) + 1);
memcpy(value, "xmpp/", 5);
memcpy(value+5, domain, strlen(domain));
value[5+strlen(domain)] = '\0';
hash_add(table, "digest-uri", value);
/* generate response */
/* construct MD5(node : realm : password) */
MD5Init(&MD5);
MD5Update(&MD5, (unsigned char *)node, strlen(node));
MD5Update(&MD5, (unsigned char *)":", 1);
MD5Update(&MD5, (unsigned char *)realm, strlen(realm));
MD5Update(&MD5, (unsigned char *)":", 1);
MD5Update(&MD5, (unsigned char *)password, strlen(password));
MD5Final(digest, &MD5);
/* digest now contains the first field of A1 */
MD5Init(&MD5);
MD5Update(&MD5, digest, 16);
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "nonce");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "cnonce");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Final(digest, &MD5);
/* now digest is MD5(A1) */
memcpy(HA1, digest, 16);
/* construct MD5(A2) */
MD5Init(&MD5);
MD5Update(&MD5, (unsigned char *)"AUTHENTICATE:", 13);
value = hash_get(table, "digest-uri");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
if (strcmp(hash_get(table, "qop"), "auth") != 0) {
MD5Update(&MD5, (unsigned char *)":00000000000000000000000000000000",
33);
}
MD5Final(digest, &MD5);
memcpy(HA2, digest, 16);
/* construct response */
MD5Init(&MD5);
_digest_to_hex((char *)HA1, hex);
MD5Update(&MD5, (unsigned char *)hex, 32);
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "nonce");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "nc");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "cnonce");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Update(&MD5, (unsigned char *)":", 1);
value = hash_get(table, "qop");
MD5Update(&MD5, (unsigned char *)value, strlen(value));
MD5Update(&MD5, (unsigned char *)":", 1);
_digest_to_hex((char *)HA2, hex);
MD5Update(&MD5, (unsigned char *)hex, 32);
MD5Final(digest, &MD5);
response = xmpp_alloc(ctx, 32+1);
_digest_to_hex((char *)digest, hex);
memcpy(response, hex, 32);
response[32] = '\0';
hash_add(table, "response", response);
/* construct reply */
result = NULL;
rlen = 0;
result = _add_key(ctx, table, "username", result, &rlen, 1);
result = _add_key(ctx, table, "realm", result, &rlen, 1);
result = _add_key(ctx, table, "nonce", result, &rlen, 1);
result = _add_key(ctx, table, "cnonce", result, &rlen, 1);
result = _add_key(ctx, table, "nc", result, &rlen, 0);
result = _add_key(ctx, table, "qop", result, &rlen, 0);
result = _add_key(ctx, table, "digest-uri", result, &rlen, 1);
result = _add_key(ctx, table, "response", result, &rlen, 0);
result = _add_key(ctx, table, "charset", result, &rlen, 0);
xmpp_free(ctx, node);
xmpp_free(ctx, domain);
hash_release(table); /* also frees value strings */
/* reuse response for the base64 encode of our result */
response = xmpp_base64_encode(ctx, (unsigned char *)result, strlen(result));
xmpp_free(ctx, result);
return response;
}
static gboolean
_load_v4(PersistState *self, gboolean load_all_entries)
{
gint fd;
gint64 file_size;
gpointer map;
gpointer key_block;
guint32 key_size;
PersistFileHeader *header;
gint key_count, i;
fd = open(self->commited_filename, O_RDONLY);
if (fd < 0)
{
/* no previous data found */
return TRUE;
}
file_size = lseek(fd, 0, SEEK_END);
if (file_size > ((1LL << 31) - 1))
{
msg_error("Persistent file too large",
evt_tag_str("filename", self->commited_filename),
evt_tag_printf("size", "%" G_GINT64_FORMAT, file_size),
NULL);
return FALSE;
}
map = mmap(NULL, file_size, PROT_READ, MAP_SHARED, fd, 0);
close(fd);
if (map == MAP_FAILED)
{
msg_error("Error mapping persistent file into memory",
evt_tag_str("filename", self->commited_filename),
evt_tag_errno("error", errno),
NULL);
return FALSE;
}
header = (PersistFileHeader *) map;
key_block = ((gchar *) map) + offsetof(PersistFileHeader, initial_key_store);
key_size = sizeof((((PersistFileHeader *) NULL))->initial_key_store);
key_count = GUINT32_FROM_BE(header->key_count);
i = 0;
while (i < key_count)
{
gchar *name;
guint32 entry_ofs, chain_ofs;
SerializeArchive *sa;
sa = serialize_buffer_archive_new(key_block, key_size);
while (i < key_count)
{
if (!serialize_read_cstring(sa, &name, NULL))
{
serialize_archive_free(sa);
msg_error("Persistent file format error, unable to fetch key name",
NULL);
goto free_and_exit;
}
if (name[0])
{
if (serialize_read_uint32(sa, &entry_ofs))
{
PersistValueHeader *value_header;
i++;
if (entry_ofs < sizeof(PersistFileHeader) || entry_ofs > file_size)
{
serialize_archive_free(sa);
g_free(name);
msg_error("Persistent file format error, entry offset is out of bounds",
NULL);
goto free_and_exit;
}
value_header = (PersistValueHeader *) ((gchar *) map + entry_ofs - sizeof(PersistValueHeader));
if ((value_header->in_use) || load_all_entries)
{
gpointer new_block;
PersistEntryHandle new_handle;
new_handle = _alloc_value(self, GUINT32_FROM_BE(value_header->size), FALSE, value_header->version);
new_block = persist_state_map_entry(self, new_handle);
memcpy(new_block, value_header + 1, GUINT32_FROM_BE(value_header->size));
persist_state_unmap_entry(self, new_handle);
/* add key to the current file */
_add_key(self, name, new_handle);
}
g_free(name);
}
else
{
/* bad format */
serialize_archive_free(sa);
g_free(name);
msg_error("Persistent file format error, unable to fetch key name",
NULL);
goto free_and_exit;
}
}
else
{
g_free(name);
if (serialize_read_uint32(sa, &chain_ofs))
{
/* end of block, chain to the next one */
if (chain_ofs == 0 || chain_ofs > file_size)
{
msg_error("Persistent file format error, key block chain offset is too large or zero",
evt_tag_printf("key_block", "%08lx", (gulong) ((gchar *) key_block - (gchar *) map)),
evt_tag_printf("key_size", "%d", key_size),
evt_tag_int("ofs", chain_ofs),
NULL);
serialize_archive_free(sa);
goto free_and_exit;
}
key_block = ((gchar *) map) + chain_ofs;
key_size = GUINT32_FROM_BE(*(guint32 *) (((gchar *) key_block) - sizeof(PersistValueHeader)));
if (chain_ofs + key_size > file_size)
{
msg_error("Persistent file format error, key block size is too large",
evt_tag_int("key_size", key_size),
NULL);
serialize_archive_free(sa);
goto free_and_exit;
}
break;
}
else
{
serialize_archive_free(sa);
msg_error("Persistent file format error, unable to fetch chained key block offset",
NULL);
goto free_and_exit;
}
}
}
serialize_archive_free(sa);
}
free_and_exit:
munmap(map, file_size);
return TRUE;
}
