+/* Blerg is (C) 2011 The Dominion of Awesome, and is distributed under a
+ * BSD-style license. Please see the COPYING file for details.
+ */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include "config.h"
#include "auth.h"
+#include "util.h"
#define TOKEN_SIZE 16
+#define MAX_PASSWORD_LENGTH 64
int auth_set_password(const char *username, const char *password) {
char filename[512];
- int fd;
+ int fd, n;
+
+ if (!valid_name(username) || !blerg_exists(username))
+ return 0;
- if (!blerg_exists(username))
+ n = strlen(password);
+ if (n > MAX_PASSWORD_LENGTH)
return 0;
snprintf(filename, 512, "%s/%s/password", DATA_PATH, username);
fd = open(filename, O_WRONLY | O_CREAT, 0600);
- write(fd, password, strlen(password));
+ write(fd, password, n);
close(fd);
return 1;
int fd;
int len = 0;
+ if (!valid_name(username))
+ return 0;
+
sprintf(filename, "%s/%s/password", DATA_PATH, username);
fd = open(filename, O_RDONLY);
if (fd == -1)
return 0;
- len = read(fd, password, 32);
+ len = read(fd, password, MAX_PASSWORD_LENGTH);
close(fd);
password[len] = 0;
if (auth_get_password(username, epw) == 0)
return 0;
- if (strncmp(password, epw, 32) == 0)
+ if (strncmp(password, epw, MAX_PASSWORD_LENGTH) == 0)
return 1;
else
return 0;
int auth_logout(const char *username) {
char filename[512];
+
+ if (!valid_name(username))
+ return 0;
+
sprintf(filename, "%s/%s/token", DATA_PATH, username);
if (unlink(filename) == -1)
return 0;
char *token;
int token_fd;
+ if (!valid_name(username))
+ return 0;
+
sprintf(filename, "%s/%s/token", DATA_PATH, username);
token_fd = open(filename, O_RDONLY, 0600);
if (token_fd == -1) {