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Frontpage and style tweaks
[blerg.git]
/
common
/
auth.c
diff --git
a/common/auth.c
b/common/auth.c
index
cdfbf85
..
26569fd
100644
(file)
--- a/
common/auth.c
+++ b/
common/auth.c
@@
-1,3
+1,6
@@
+/* 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@
-9,17
+12,22
@@
#include "util.h"
#define TOKEN_SIZE 16
#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 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 (!valid_name(username) || !blerg_exists(username))
return 0;
+ 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);
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;
close(fd);
return 1;
@@
-37,7
+45,7
@@
int auth_get_password(const char *username, char *password) {
fd = open(filename, O_RDONLY);
if (fd == -1)
return 0;
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;
close(fd);
password[len] = 0;
@@
-51,7
+59,7
@@
int auth_check_password(const char *username, const char *password) {
if (auth_get_password(username, epw) == 0)
return 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;
return 1;
else
return 0;