/**
* performs authentication
* @param ptr authentication structure
* @return integer 1 on success, otherwise 0
*/
int authenticate (struct auth *ptr) {
char write_buf[GEN_BUF_SIZE]; /** socket fd write buffer */
char read_buf[GEN_BUF_SIZE]; /** socket fd read buffer */
FILE *sock = NULL;
char srv_code[4];
int result = 0;
/** connect to server */
if ((sock = srv_connect()) == NULL)
return 0;
/** format authentication string */
snprintf(
write_buf,
sizeof(write_buf),
"username=%s\npassword=%s\ncommon_name=%s\nhost=%s\nport=%d\n\n",
ptr->username,
ptr->password,
ptr->common_name,
ptr->untrusted_ip,
ptr->untrusted_port
);
/** send it to server and flush buffers */
fprintf(sock, "%s", write_buf);
fflush(sock);
/* read response from server */
if (! fgets(read_buf, sizeof(read_buf), sock)) {
log_msg("No response read from authentication server: %s (errno %d)", strerror(errno), errno);
goto outta_func;
}
else if (strlen(read_buf) < 3) {
log_msg("Invalid response from server: %s", read_buf);
goto outta_func;
}
/** chop result code and message */
memset(srv_code, '\0', sizeof(srv_code));
chomp(read_buf);
strncpy(srv_code, read_buf, 2);
if (strcasecmp(srv_code, "OK") != 0)
log_msg("Authentication FAILED for user '%s': %s", ptr->username, read_buf);
else {
log_msg("Authentication SUCCEEDED for user '%s'", ptr->username);
result = 1;
}
outta_func:
/* close socket */
srv_disconnect(sock);
return result;
}
/*
* server_create_handle -- handle a create request message
*/
static void
server_create_handle(struct server *s, const struct rpmem_msg_create_resp *resp)
{
size_t msg_size = sizeof(struct rpmem_msg_create) +
strlen(POOL_DESC) + 1;
struct rpmem_msg_create *msg = MALLOC(msg_size);
srv_accept(s);
srv_recv(s, msg, msg_size);
rpmem_ntoh_msg_create(msg);
check_create_msg(msg);
srv_send(s, resp, sizeof(*resp));
srv_disconnect(s);
FREE(msg);
}
