diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:35:11 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:35:11 +0000 |
commit | da76459dc21b5af2449af2d36eb95226cb186ce2 (patch) | |
tree | 542ebb3c1e796fac2742495b8437331727bbbfa0 /admin/dyncookie/dyncookie.c | |
parent | Initial commit. (diff) | |
download | haproxy-upstream.tar.xz haproxy-upstream.zip |
Adding upstream version 2.6.12.upstream/2.6.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | admin/dyncookie/dyncookie.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/admin/dyncookie/dyncookie.c b/admin/dyncookie/dyncookie.c new file mode 100644 index 0000000..ddb71a7 --- /dev/null +++ b/admin/dyncookie/dyncookie.c @@ -0,0 +1,56 @@ +/* + * Dynamic server cookie calculator + * + * Copyright 2021 Willy Tarreau <w@1wt.eu> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <arpa/inet.h> + +#include <haproxy/xxhash.h> + +__attribute__((noreturn)) void die(int code, const char *format, ...) +{ + va_list args; + + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + exit(code); +} + +int main(int argc, char **argv) +{ + size_t key_len; + int addr_len; + char *buf; + int port; + + if (argc < 4) + die(1, "Usage: %s <key> <ip> <port>\n", argv[0]); + + key_len = strlen(argv[1]); + buf = realloc(strdup(argv[1]), key_len + 16 + 4); + if (!buf) + die(2, "Not enough memory\n"); + + if (inet_pton(AF_INET, argv[2], buf + key_len) > 0) + addr_len = 4; + else if (inet_pton(AF_INET6, argv[2], buf + key_len) > 0) + addr_len = 16; + else + die(3, "Cannot parse address <%s> as IPv4/IPv6\n", argv[2]); + + port = htonl(atoi(argv[3])); + memcpy(buf + key_len + addr_len, &port, 4); + printf("%016llx\n", (long long)XXH64(buf, key_len + addr_len + 4, 0)); + return 0; +} |