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Code

handle malformed request properly

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This commit is contained in:
Bin Jin 2010-12-09 13:30:08 +08:00
parent 9d876181b3
commit ba5b8bee01
1 changed files with 11 additions and 5 deletions
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16
http-relay.c
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@ -293,18 +293,24 @@ static void httpr_relay_write_cb(struct bufferevent *buffev, void *_arg)
auth_scheme = "Basic";
} else if (strncasecmp(auth->last_auth_query, "Digest", 6) == 0 && httpr->firstline) {
/* calculate method & uri */
char *ptr = strchr(httpr->firstline, ' ');
char *ptr = strchr(httpr->firstline, ' '), *ptr2;
char *method = calloc(ptr - httpr->firstline + 1, 1);
memcpy(method, httpr->firstline, ptr - httpr->firstline);
method[ptr - httpr->firstline] = 0;
ptr = strchr(httpr->firstline, '/');
if (!ptr || *++ptr != '/') {
free(method);
redsocks_log_error(client, LOG_NOTICE, "malformed request came");
redsocks_drop_client(client);
return;
}
if (!(ptr = strchr(++ptr, '/')) || !(ptr2 = strchr(ptr, ' '))) {
free(method);
redsocks_log_error(client, LOG_NOTICE, "malformed request came");
redsocks_drop_client(client);
return;
}
ptr = strchr(++ptr, '/');
char *ptr2 = strchr(ptr, ' ');
char *uri = calloc(ptr2 - ptr + 1, 1);
memcpy(uri, ptr, ptr2 - ptr);
uri[ptr2 - ptr] = 0;
@ -426,9 +432,9 @@ static int httpr_toss_http_firstline(redsocks_client *client)
return 0;
addition_fail:
redsocks_log_error(client, LOG_ERR, "httpr_buffer_init");
fail:
httpr_buffer_fini(&nbuff);
fail:
redsocks_log_error(client, LOG_ERR, "httpr_toss_http_firstline");
return -1;
}