X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;f=common%2Fauth.c;h=26569fd86c31773b10b465642328eeb1d1eb82b4;hb=a52a6a8d52feccd7b2231317d667e734fd040adb;hp=7e63f968881f0455146ca96c914970153ff9fb79;hpb=4f3fa0594ee551da29b1ea0ed20a076410959d91;p=blerg.git diff --git a/common/auth.c b/common/auth.c index 7e63f96..26569fd 100644 --- a/common/auth.c +++ b/common/auth.c @@ -12,17 +12,22 @@ #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; + 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; @@ -40,7 +45,7 @@ int auth_get_password(const char *username, char *password) { 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; @@ -54,7 +59,7 @@ int auth_check_password(const char *username, const char *password) { 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;