bool CVSService::setUserPassword(const char *username, const char *password)
{
// Repository is not initialized, just return false.
if (!m_isRepoInitialized)
return false;
char filename[MAX_PATH + 24];
FILE *fp;
// Write user name password to 'passwd' file.
if ((fp = fopen(strcat(strcpy(filename, m_repoPath), "/CVSROOT/passwd"), "w")) == NULL)
return false;
fprintf(fp, "%s:%s:%s\n", username, __crypt(password), getpwuid(getuid())->pw_name);
fclose(fp);
// Write user name to 'reader' file.
if ((fp = fopen(strcat(strcpy(filename, m_repoPath), "/CVSROOT/reader"), "w")) == NULL)
return false;
fprintf(fp, "%s\n", username);
fclose(fp);
// Write user name to 'writer' file.
if ((fp = fopen(strcat(strcpy(filename, m_repoPath), "/CVSROOT/writer"), "w")) == NULL)
return false;
fprintf(fp, "%s\n", username);
fclose(fp);
// Return true.
return true;
}
static int modcrypt_decrypt2( INSTANCE * my, int * params )
{
int r;
crypt_handle * ch = crypt_create( params[0], ( char * ) params[1] );
r = __crypt( ch, ( char * ) params[2], ( char * ) params[3], params[4], 0 );
crypt_destroy( ch );
return r;
}
static int __eaxcrypt(uword* nonce, uword* data, size_t datalen, uword* key,
int (*__crypt)(const void*, void*, unsigned long, eax_ctx*) ) {
eax_ctx context;
int retval;
retval = eax_init_and_key(key, &context);
if (retval == 0) {
retval = __crypt((const void*)nonce, (void*)data, (ulong)datalen, &context);
retval = retval ? -2 : 4;
}
return retval;
}
void communicate(int sock){
char buffer[PACKETSIZE];
int numRead;
do{
//read text and key buffer[0-HALFPACKET-1] = text
// buffer[HALFPACKET - PACKETSIZE-1] = key
numRead = read(sock,buffer,PACKETSIZE);
if(numRead < 0) {
fprintf(stderr,"[%d] %s\n",getpid(),"error on socket read");
if(errno){
const char* error = strerror(errno);
fprintf(stderr, "%s\n",error);
}
}
else if(numRead){
//process text/key send back crypted text
int numOut = __crypt(buffer,buffer+HALFPACKET);
write(sock,buffer,numOut);
}
}while(numRead);
}
static int modcrypt_decrypt( INSTANCE * my, int * params )
{
return ( __crypt( ( crypt_handle * ) params[0], ( char * ) params[1], ( char * ) params[2], params[3], 0 ) );
}
