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tdbtool: Add "storehex" command

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Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Apr 22 09:16:16 CEST 2017 on sn-devel-144
This commit is contained in:
Volker Lendecke 2017-04-21 14:10:33 +02:00 committed by Jeremy Allison
parent 4ceba0e18f
commit 5d288a9b17
2 changed files with 97 additions and 0 deletions
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10
lib/tdb/man/tdbtool.8.xml
View File

@ -159,6 +159,16 @@
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>storehex</option>
<replaceable>KEY</replaceable>
<replaceable>DATA</replaceable>
</term>
<listitem><para>Store (replace) a record in the
current database where key and data are in hex format.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>show</option>
<replaceable>KEY</replaceable>

87
lib/tdb/tools/tdbtool.c
View File

@ -48,6 +48,7 @@ enum commands {
CMD_DUMP,
CMD_INSERT,
CMD_MOVE,
CMD_STOREHEX,
CMD_STORE,
CMD_SHOW,
CMD_KEYS,
@ -83,6 +84,7 @@ COMMAND_TABLE cmd_table[] = {
{"dump", CMD_DUMP},
{"insert", CMD_INSERT},
{"move", CMD_MOVE},
{"storehex", CMD_STOREHEX},
{"store", CMD_STORE},
{"show", CMD_SHOW},
{"keys", CMD_KEYS},
@ -229,6 +231,7 @@ static void help(void)
" info : print summary info about the database\n"
" insert key data : insert a record\n"
" move key file : move a record to a destination tdb\n"
" storehex key data : store a record (replace), key/value in hex format\n"
" store key data : store a record (replace)\n"
" show key : show a record by key\n"
" delete key : delete a record by key\n"
@ -346,6 +349,86 @@ static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
}
}
static bool hexchar(char c, uint8_t *v)
{
if ((c >= '0') && (c <= '9')) {
*v = (c - '0');
return true;
}
if ((c >= 'A') && (c <= 'F')) {
*v = (c - 'A' + 10);
return true;
}
if ((c >= 'a') && (c <= 'f')) {
*v = (c - 'a' + 10);
return true;
}
return false;
}
static bool parse_hex(const char *src, size_t srclen, uint8_t *dst)
{
size_t i=0;
if ((srclen % 2) != 0) {
return false;
}
while (i<srclen) {
bool ok;
uint8_t hi,lo;
ok = (hexchar(src[i++], &hi) && hexchar(src[i++], &lo));
if (!ok) {
return false;
}
*dst = (hi<<4)|lo;
dst += 1;
}
return true;
}
static void store_hex_tdb(char *keystr, size_t keylen,
char *datastr, size_t datalen)
{
if ((keystr == NULL) || (keylen == 0)) {
terror("need key");
return;
}
if ((datastr == NULL) || (datalen == 0)) {
terror("need data");
return;
}
{
uint8_t keybuf[keylen/2];
TDB_DATA key = { .dptr = keybuf, .dsize = sizeof(keybuf) };
uint8_t databuf[datalen/2];
TDB_DATA data = { .dptr = databuf, .dsize = sizeof(databuf) };
bool ok;
ok = parse_hex(keystr, keylen, keybuf);
if (!ok) {
terror("need hex key");
return;
}
ok = parse_hex(datastr, datalen, databuf);
if (!ok) {
terror("need hex data");
return;
}
printf("storing key/data:\n");
print_data((char *)key.dptr, key.dsize);
print_data((char *)data.dptr, data.dsize);
if (tdb_store(tdb, key, data, TDB_REPLACE) != 0) {
terror("store failed");
}
}
}
static void show_tdb(char *keyname, size_t keylen)
{
TDB_DATA key, dbuf;
@ -693,6 +776,10 @@ static int do_command(void)
bIterate = 0;
store_tdb(arg1,arg1len,arg2,arg2len);
return 0;
case CMD_STOREHEX:
bIterate = 0;
store_hex_tdb(arg1,arg1len,arg2,arg2len);
return 0;
case CMD_SHOW:
bIterate = 0;
show_tdb(arg1, arg1len);