#include <stdarg.h>
#include <ldap.h>
-// HACKS
-#define HACK_TPG_NOAUTH 1
-#define HACK_ROOT_NOAUTH 1
-
#define DEBUG_TRACE_CLIENT 0
// Statistics
void Server_Cmd_USERFLAGS(tClient *Client, char *Args);
// --- Helpers ---
int sendf(int Socket, const char *Format, ...);
- int GetUserAuth(const char *Salt, const char *Username, const uint8_t *Hash);
void HexBin(uint8_t *Dest, char *Src, int BufSize);
-#if USE_LDAP
-char *ReadLDAPValue(const char *Filter, char *Value);
-#endif
// === CONSTANTS ===
// - Commands
// === GLOBALS ===
int giServer_Port = 1020;
int giServer_NextClientID = 1;
-#if USE_LDAP
-char *gsLDAPServer = "mussel";
- int giLDAPPort = 389;
-LDAP *gpLDAP;
-#endif
int giServer_Socket;
// === CODE ===
{
int client_socket;
struct sockaddr_in server_addr, client_addr;
- #if USE_LDAP
- int rv;
- #endif
atexit(Server_Cleanup);
- #if USE_LDAP
- // Connect to LDAP
- rv = ldap_create(&gpLDAP);
- if(rv) {
- fprintf(stderr, "ldap_create: %s\n", ldap_err2string(rv));
- exit(1);
- }
- rv = ldap_initialize(&gpLDAP, "ldap://mussel:389");
- if(rv) {
- fprintf(stderr, "ldap_initialize: %s\n", ldap_err2string(rv));
- exit(1);
- }
- { int ver = LDAP_VERSION3; ldap_set_option(gpLDAP, LDAP_OPT_PROTOCOL_VERSION, &ver); }
- # if 0
- rv = ldap_start_tls_s(gpLDAP, NULL, NULL);
- if(rv) {
- fprintf(stderr, "ldap_start_tls_s: %s\n", ldap_err2string(rv));
- exit(1);
- }
- # endif
- {
- struct berval cred;
- struct berval *servcred;
- cred.bv_val = "secret";
- cred.bv_len = 6;
- rv = ldap_sasl_bind_s(gpLDAP, "cn=root,dc=ucc,dc=gu,dc=uwa,dc=edu,dc=au",
- "", &cred, NULL, NULL, NULL);
- if(rv) {
- fprintf(stderr, "ldap_start_tls_s: %s\n", ldap_err2string(rv));
- exit(1);
- }
- }
- #endif
-
// Create Server
giServer_Socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if( giServer_Socket < 0 ) {
* Usage: PASS <hash>
*/
void Server_Cmd_PASS(tClient *Client, char *Args)
-{
- uint8_t clienthash[HASH_LENGTH] = {0};
-
- // Read user's hash
- HexBin(clienthash, Args, HASH_LENGTH);
-
+{
// TODO: Decrypt password passed
- Client->UID = GetUserAuth(Client->Salt, Client->Username, clienthash);
+ Client->UID = GetUserAuth(Client->Salt, Client->Username, Args);
if( Client->UID != -1 ) {
Client->bIsAuthed = 1;
sendf(Client->Socket, "200 Auth OK\n");
return ;
}
-
- if( giDebugLevel ) {
- int i;
- printf("Client %i: Password hash ", Client->ID);
- for(i=0;i<HASH_LENGTH;i++)
- printf("%02x", clienthash[i]&0xFF);
- printf("\n");
- }
sendf(Client->Socket, "401 Auth Failure\n");
}
sendf(Client->Socket, "200 User Updated\n");
}
-/**
- * \brief Authenticate a user
- * \return User ID, or -1 if authentication failed
- */
-int GetUserAuth(const char *Salt, const char *Username, const uint8_t *ProvidedHash)
-{
- #if USE_LDAP
- uint8_t h[20];
- int ofs = strlen(Username) + strlen(Salt);
- char input[ ofs + 40 + 1];
- char tmp[4 + strlen(Username) + 1]; // uid=%s
- char *passhash;
- #endif
-
- #if HACK_TPG_NOAUTH
- if( strcmp(Username, "tpg") == 0 )
- return GetUserID("tpg");
- #endif
- #if HACK_ROOT_NOAUTH
- if( strcmp(Username, "root") == 0 ) {
- int ret = GetUserID("root");
- if( ret == -1 )
- return CreateUser("root");
- return ret;
- }
- #endif
-
- #if USE_LDAP
- // Build string to hash
- strcpy(input, Username);
- strcpy(input, Salt);
-
- // TODO: Get user's SHA-1 hash
- sprintf(tmp, "uid=%s", Username);
- printf("tmp = '%s'\n", tmp);
- passhash = ReadLDAPValue(tmp, "userPassword");
- if( !passhash ) {
- return -1;
- }
- printf("LDAP hash '%s'\n", passhash);
-
- sprintf(input+ofs, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
- h[ 0], h[ 1], h[ 2], h[ 3], h[ 4], h[ 5], h[ 6], h[ 7], h[ 8], h[ 9],
- h[10], h[11], h[12], h[13], h[14], h[15], h[16], h[17], h[18], h[19]
- );
- // Then create the hash from the provided salt
- // Compare that with the provided hash
- #endif
-
- return -1;
-}
-
// --- INTERNAL HELPERS ---
int sendf(int Socket, const char *Format, ...)
{
}
}
-// TODO: Move to another file
-void HexBin(uint8_t *Dest, char *Src, int BufSize)
-{
- int i;
- for( i = 0; i < BufSize; i ++ )
- {
- uint8_t val = 0;
-
- if('0' <= *Src && *Src <= '9')
- val |= (*Src-'0') << 4;
- else if('A' <= *Src && *Src <= 'F')
- val |= (*Src-'A'+10) << 4;
- else if('a' <= *Src && *Src <= 'f')
- val |= (*Src-'a'+10) << 4;
- else
- break;
- Src ++;
-
- if('0' <= *Src && *Src <= '9')
- val |= (*Src-'0');
- else if('A' <= *Src && *Src <= 'F')
- val |= (*Src-'A'+10);
- else if('a' <= *Src && *Src <= 'f')
- val |= (*Src-'a'+10);
- else
- break;
- Src ++;
-
- Dest[i] = val;
- }
- for( ; i < BufSize; i++ )
- Dest[i] = 0;
-}
-
/**
* \brief Decode a Base64 value
*/
return Src - start_src;
}
-
-#if USE_LDAP
-char *ReadLDAPValue(const char *Filter, char *Value)
-{
- LDAPMessage *res, *res2;
- struct berval **attrValues;
- char *attrNames[] = {Value,NULL};
- char *ret;
- struct timeval timeout;
- int rv;
-
- timeout.tv_sec = 5;
- timeout.tv_usec = 0;
-
- rv = ldap_search_ext_s(gpLDAP, "", LDAP_SCOPE_BASE, Filter,
- attrNames, 0, NULL, NULL, &timeout, 1, &res
- );
- printf("ReadLDAPValue: rv = %i\n", rv);
- if(rv) {
- fprintf(stderr, "LDAP Error reading '%s' with filter '%s'\n%s\n",
- Value, Filter,
- ldap_err2string(rv)
- );
- return NULL;
- }
-
- res2 = ldap_first_entry(gpLDAP, res);
- attrValues = ldap_get_values_len(gpLDAP, res2, Value);
-
- ret = strndup(attrValues[0]->bv_val, attrValues[0]->bv_len);
-
- ldap_value_free_len(attrValues);
-
-
- return ret;
-}
-#endif
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
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