q3k
/
hackfridge
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' of hackerspace.pl:q3k/hackfridge

master
q3k 2012-05-01 06:21:53 +00:00
parent b0565c2479 657398da2f
commit 3cb0ca2784
7 changed files with 124 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
terminal/CMakeLists.txt
View File

@ -1,6 +1,8 @@
project(hf-terminal)
add_executable(hf-terminal main.c tts.c base64.c ldap.c nfc.c)
set(CMAKE_C_FLAGS "-std=c99")
add_executable(hash-one hash-one.c ldap.c)
set(CMAKE_C_FLAGS "-std=c99 -g")
target_link_libraries(hf-terminal nfc m)
target_link_libraries(hf-terminal nfc m ldap crypto)
target_link_libraries(hash-one m crypto ldap)

18
terminal/base64.c
View File

@ -113,10 +113,10 @@ void bin_to_b64(char *out, char* in, unsigned int in_length)
char a, b, c;
a = in[i * 3]; b = in[i * 3 + 1]; c = in[i * 3 + 2];
out[i * 4 ] = b64_lut[ (a & 0b11111100) >> 2 ];
out[i * 4 + 1] = b64_lut[((a & 0b00000011) << 4 ) | ((b & 0b11110000) >> 4)];
out[i * 4 + 2] = b64_lut[((b & 0b00001111) << 2) | ((c & 0b11000000) >> 6)];
out[i * 4 + 3] = b64_lut[ c & 0b00111111 ];
out[i * 4 ] = b64_lut[ (a & 252) >> 2 ];
out[i * 4 + 1] = b64_lut[((a & 3) << 4 ) | ((b & 240) >> 4)];
out[i * 4 + 2] = b64_lut[((b & 15) << 2) | ((c & 192) >> 6)];
out[i * 4 + 3] = b64_lut[ c & 63 ];
}
unsigned int final_length = complete_quads * 4;
@ -126,8 +126,8 @@ void bin_to_b64(char *out, char* in, unsigned int in_length)
case 1:
{
char a = in[complete_quads * 3];
out[complete_quads * 4 ] = b64_lut[(a & 0b11111100) >> 2];
out[complete_quads * 4 + 1] = b64_lut[(a & 0b00000011) << 4];
out[complete_quads * 4 ] = b64_lut[(a & 252) >> 2];
out[complete_quads * 4 + 1] = b64_lut[(a & 3) << 4];
out[complete_quads * 4 + 2] = '=';
out[complete_quads * 4 + 3] = '=';
final_length += 4;
@ -137,9 +137,9 @@ void bin_to_b64(char *out, char* in, unsigned int in_length)
{
char a, b;
a = in[complete_quads * 3]; b = in[complete_quads * 3 + 1];
out[complete_quads * 4 ] = b64_lut[ (a & 0b11111100) >> 2 ];
out[complete_quads * 4 + 1] = b64_lut[((a & 0b00000011) << 4) | ((b & 0b11110000) >> 4)];
out[complete_quads * 4 + 2] = b64_lut[((b & 0b00001111) << 2) ];
out[complete_quads * 4 ] = b64_lut[ (a & 252) >> 2 ];
out[complete_quads * 4 + 1] = b64_lut[((a & 3) << 4) | ((b & 240) >> 4)];
out[complete_quads * 4 + 2] = b64_lut[((b & 15) << 2) ];
out[complete_quads * 4 + 3] = '=';
final_length += 4;
break;

10
terminal/config.h.dist Normal file
View File

@ -0,0 +1,10 @@
#ifndef __FRIDGE_CONFIG__
#define __FRIDGE_CONFIG__
#define LDAP_URL "ldap://ldap.somecorp.com"
#define LDAP_DN "cn=somecn,dc=somecorp,dc=com"
#define LDAP_PW "password"
#define LDAP_BASE "ou=Peole,dc=somecorp,dc=com"
#define LDAP_FILTER_HASHES "objectClass=hsMember"
#endif

11
terminal/hash-one.c Normal file
View File

@ -0,0 +1,11 @@
#include <stdio.h>
#include "ldap.h"
int main(int argc, char** argv) {
char hash[130];
if(argc < 3)
return 1;
hash_mifare(argv[1], argv[2], hash);
printf("%s\n", hash);
return 0;
}

93
terminal/ldap.c
View File

@ -1,9 +1,92 @@
//sorry
#define LDAP_DEPRECATED 1
#include <ldap.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include <assert.h>
#include <inttypes.h>
#include <openssl/sha.h>
#include "config.h"
const int NO_SUCH_CARD = LDAP_NO_SUCH_OBJECT;
static char* ldap_attrs_hashes[] = {
"uid",
"mifareIDHash",
0,
};
int hash_mifare(char *MifareID, char *salt, char* target) {
SHA256_CTX sha_c;
bzero(target, 130);
SHA256_Init(&sha_c);
SHA256_Update(&sha_c, salt, strnlen(salt, 64));
SHA256_Update(&sha_c, MifareID, strnlen(MifareID, 64));
strncat(target, salt, 63);
strcat(target, "$");
unsigned char hash[65];
SHA256_Final(hash, &sha_c);
target = target + strnlen(target, 64);
for(int i = 0; i < SHA256_DIGEST_LENGTH; ++i) {
sprintf(target, "%02x", hash[i]);
target += 2;
}
*(target + 1) = 0;
}
int ldap_dn_by_mifare(char *MifareID, char *DNOut, int *DNLength)
{
// TODO: actually implement thid. tkd?
int i;
LDAP *ld;
LDAPMessage *msg, *entry;
int result = 0, version = LDAP_VERSION3, nentries;
unsigned char **values, crypt_hash[130],
entry_salt[20];
strncpy(DNOut, "q3k", *DNLength);
*DNLength = strlen("q3k");
return 0;
if(LDAP_SUCCESS != (result = ldap_initialize(&ld, LDAP_URL))) {
goto finalize;
}
if(LDAP_SUCCESS != (result = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &version))) {
goto finalize;
}
/* if(LDAP_SUCCESS != (result = ldap_start_tls_s(ld, NULL, NULL))) {
goto finalize;
}*/
if(LDAP_SUCCESS != (result = ldap_bind_s(ld, LDAP_DN, LDAP_PW, LDAP_AUTH_SIMPLE))) {
goto finalize;
}
if(LDAP_SUCCESS != (result = ldap_search_s(ld, LDAP_BASE, LDAP_SCOPE_SUBTREE,
LDAP_FILTER_HASHES, ldap_attrs_hashes, 0, &msg))) {
goto search_finalize;
}
nentries = ldap_count_entries(ld, msg);
result = LDAP_NO_SUCH_OBJECT;
for(entry = ldap_first_entry(ld, msg); entry != NULL; entry = ldap_next_entry(ld, entry)) {
values = ldap_get_values(ld, entry, "mifareIDHash");
if(values) {
for(i = 0; values[i] != NULL; ++i) {
bzero(entry_salt, 20);
int hash_len = strcspn(values[i], "$");
strncpy(entry_salt, values[i], hash_len);
hash_mifare(MifareID, entry_salt, crypt_hash);
if(!strncmp(crypt_hash, values[i], 128)) {
char *dn = ldap_get_dn(ld, entry);
strncpy(DNOut, dn, *DNLength);
DNOut[*DNLength - 1] = 0;
*DNLength = strlen(dn);
ldap_memfree(dn);
result = 0;
}
}
ldap_value_free(values);
}
}
search_finalize:
ldap_msgfree(msg);
finalize:
ldap_unbind_s(ld);
return result;
}

1
terminal/ldap.h
View File

@ -2,5 +2,6 @@
#define __LDAP_H__
int ldap_dn_by_mifare(char *MifareID, char *DNOut, int *DNLength);
const int NO_SUCH_CARD;
#endif

2
terminal/nfc.c
View File

@ -45,7 +45,7 @@ void nfc_poll(void)
if (LDAPResult > 0)
{
if (LDAPResult == 1)
if (LDAPResult == NO_SUCH_CARD)
{
tts_speak("Nieznana karta.");
sleep(5);