void
netdbFreeMemory(void)
{
#if USE_ICMP
hashFreeItems(addr_table, netdbFreeNetdbEntry);
hashFreeMemory(addr_table);
addr_table = NULL;
hashFreeItems(host_table, netdbFreeNameEntry);
hashFreeMemory(host_table);
host_table = NULL;
wordlistDestroy(&peer_names);
peer_names = NULL;
#endif
}
void
clientdbFreeMemory(void)
{
hashFreeItems(client_table, clientdbFreeItem);
hashFreeMemory(client_table);
client_table = NULL;
}
int
main(int argc, char **argv)
{
struct stat sb;
time_t change_time = -1;
char buf[256];
char *user, *passwd, *p;
user_data *u;
setbuf(stdout, NULL);
if (argc != 2) {
fprintf(stderr, "Usage: ncsa_auth <passwordfile>\n");
exit(1);
}
if (stat(argv[1], &sb) != 0) {
fprintf(stderr, "cannot stat %s\n", argv[1]);
exit(1);
}
while (fgets(buf, 256, stdin) != NULL) {
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0'; /* strip \n */
if (stat(argv[1], &sb) == 0) {
if (sb.st_mtime != change_time) {
read_passwd_file(argv[1]);
change_time = sb.st_mtime;
}
}
if ((user = strtok(buf, " ")) == NULL) {
printf("ERR\n");
continue;
}
if ((passwd = strtok(NULL, "")) == NULL) {
printf("ERR\n");
continue;
}
rfc1738_unescape(user);
rfc1738_unescape(passwd);
u = (user_data *) hash_lookup(hash, user);
if (u == NULL) {
printf("ERR No such user\n");
#if HAVE_CRYPT
} else if (strcmp(u->passwd, (char *) crypt(passwd, u->passwd)) == 0) {
printf("OK\n");
#endif
} else if (strcmp(u->passwd, (char *) crypt_md5(passwd, u->passwd)) == 0) {
printf("OK\n");
} else if (strcmp(u->passwd, (char *) md5sum(passwd)) == 0) { /* md5 without salt and magic strings - Added by Ramon de Carvalho and Rodrigo Rubira Branco */
printf("OK\n");
} else {
printf("ERR Wrong password\n");
}
}
if (hash != NULL) {
hashFreeItems(hash, my_free);
hashFreeMemory(hash);
}
exit(0);
}
void
delayFreeDelayData(void)
{
safe_free(delay_data);
memory_used -= sizeof(*delay_data);
if (!delay_id_ptr_hash)
return;
hashFreeItems(delay_id_ptr_hash, delayIdZero);
hashFreeMemory(delay_id_ptr_hash);
delay_id_ptr_hash = NULL;
}
static void
read_passwd_file(const char *passwdfile)
{
FILE *f;
char buf[8192];
user_data *u;
char *user;
char *passwd;
if (hash != NULL) {
hashFreeItems(hash, my_free);
hashFreeMemory(hash);
}
/* initial setup */
hash = hash_create((HASHCMP *) strcmp, 7921, hash_string);
if (NULL == hash) {
fprintf(stderr, "ncsa_auth: cannot create hash table\n");
exit(1);
}
f = fopen(passwdfile, "r");
if (NULL == f) {
fprintf(stderr, "%s: %s\n", passwdfile, xstrerror());
exit(1);
}
while (fgets(buf, 8192, f) != NULL) {
if ((buf[0] == '#') || (buf[0] == ' ') || (buf[0] == '\t') ||
(buf[0] == '\n'))
continue;
user = strtok(buf, ":\n\r");
passwd = strtok(NULL, ":\n\r");
if ((strlen(user) > 0) && passwd) {
u = xmalloc(sizeof(*u));
u->user = xstrdup(user);
u->passwd = xstrdup(passwd);
hash_join(hash, (hash_link *) u);
}
}
fclose(f);
}
static void
read_passwd_file(const char *passwdfile, int ha1mode)
{
FILE *f;
char buf[8192];
user_data *u;
char *user;
char *passwd;
char *ha1 = NULL;
char *realm;
if (hash != NULL) {
hashFreeItems(hash, my_free);
}
/* initial setup */
hash = hash_create((HASHCMP *) strcmp, 7921, hash_string);
if (NULL == hash) {
fprintf(stderr, "digest_pw_auth: cannot create hash table\n");
exit(1);
}
f = fopen(passwdfile, "r");
while (fgets(buf, 8192, f) != NULL) {
if ((buf[0] == '#') || (buf[0] == ' ') || (buf[0] == '\t') ||
(buf[0] == '\n'))
continue;
user = strtok(buf, ":\n");
realm = strtok(NULL, ":\n");
passwd = strtok(NULL, ":\n");
if (!passwd) {
passwd = realm;
realm = NULL;
}
if ((strlen(user) > 0) && passwd) {
if (strncmp(passwd, "{HHA1}", 6) == 0) {
ha1 = passwd + 6;
passwd = NULL;
} else if (ha1mode) {
ha1 = passwd;
passwd = NULL;
}
if (ha1 && strlen(ha1) != 32) {
/* We cannot accept plaintext passwords when using HA1 encoding,
* as the passwords may be output to cache.log if debugging is on.
*/
fprintf(stderr, "digest_pw_auth: ignoring invalid password for %s\n", user);
continue;
}
u = xcalloc(1, sizeof(*u));
if (realm) {
int len = strlen(user) + strlen(realm) + 2;
u->hash.key = malloc(len);
snprintf(u->hash.key, len, "%s:%s", user, realm);
} else {
u->hash.key = xstrdup(user);
}
if (ha1)
u->ha1 = xstrdup(ha1);
else
u->passwd = xstrdup(passwd);
hash_join(hash, &u->hash);
}
}
fclose(f);
}