MINOR: jwt: Parse JWT alg field
The full list of possible algorithms used to create a JWS signature is defined in section 3.1 of RFC7518. This patch adds a helper function that converts the "alg" strings into an enum member.
This commit is contained in:
Remi Tricot-Le Breton
William Lallemand
parent
f5dd337b12
commit
7feb361776
2
Makefile
2
Makefile
@ -585,7 +585,7 @@ OPTIONS_LDFLAGS += $(if $(SSL_LIB),-L$(SSL_LIB)) -lssl -lcrypto
|
||||
ifneq ($(USE_DL),)
|
||||
OPTIONS_LDFLAGS += -ldl
|
||||
endif
|
||||
OPTIONS_OBJS += src/ssl_sample.o src/ssl_sock.o src/ssl_crtlist.o src/ssl_ckch.o src/ssl_utils.o src/cfgparse-ssl.o
|
||||
OPTIONS_OBJS += src/ssl_sample.o src/ssl_sock.o src/ssl_crtlist.o src/ssl_ckch.o src/ssl_utils.o src/cfgparse-ssl.o src/jwt.o
|
||||
endif
|
||||
ifneq ($(USE_QUIC),)
|
||||
OPTIONS_OBJS += src/quic_sock.o src/proto_quic.o src/xprt_quic.o src/quic_tls.o \
|
||||
|
||||
46
include/haproxy/jwt-t.h
Normal file
46
include/haproxy/jwt-t.h
Normal file
@ -0,0 +1,46 @@
|
||||
/*
|
||||
* include/haproxy/jwt-t.h
|
||||
* Macros, variables and structures for JWT management.
|
||||
*
|
||||
* Copyright (C) 2021 HAProxy Technologies, Remi Tricot-Le Breton <rlebreton@haproxy.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation, version 2.1
|
||||
* exclusively.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef _HAPROXY_JWT_T_H
|
||||
#define _HAPROXY_JWT_T_H
|
||||
|
||||
|
||||
#ifdef USE_OPENSSL
|
||||
enum jwt_alg {
|
||||
JWT_ALG_DEFAULT,
|
||||
JWS_ALG_NONE,
|
||||
JWS_ALG_HS256,
|
||||
JWS_ALG_HS384,
|
||||
JWS_ALG_HS512,
|
||||
JWS_ALG_RS256,
|
||||
JWS_ALG_RS384,
|
||||
JWS_ALG_RS512,
|
||||
JWS_ALG_ES256,
|
||||
JWS_ALG_ES384,
|
||||
JWS_ALG_ES512,
|
||||
JWS_ALG_PS256,
|
||||
JWS_ALG_PS384,
|
||||
JWS_ALG_PS512,
|
||||
};
|
||||
#endif /* USE_OPENSSL */
|
||||
|
||||
|
||||
#endif /* _HAPROXY_JWT_T_H */
|
||||
32
include/haproxy/jwt.h
Normal file
32
include/haproxy/jwt.h
Normal file
@ -0,0 +1,32 @@
|
||||
/*
|
||||
* include/haproxy/jwt.h
|
||||
* Functions for JSON Web Token (JWT) management.
|
||||
*
|
||||
* Copyright (C) 2021 HAProxy Technologies, Remi Tricot-Le Breton <rlebreton@haproxy.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation, version 2.1
|
||||
* exclusively.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef _HAPROXY_JWT_H
|
||||
#define _HAPROXY_JWT_H
|
||||
|
||||
#include <haproxy/jwt-t.h>
|
||||
#include <haproxy/buf-t.h>
|
||||
|
||||
#ifdef USE_OPENSSL
|
||||
enum jwt_alg jwt_parse_alg(const char *alg_str, unsigned int alg_len);
|
||||
#endif /* USE_OPENSSL */
|
||||
|
||||
#endif /* _HAPROXY_JWT_H */
|
||||
80
src/jwt.c
Normal file
80
src/jwt.c
Normal file
@ -0,0 +1,80 @@
|
||||
/*
|
||||
* JSON Web Token (JWT) processing
|
||||
*
|
||||
* Copyright 2021 HAProxy Technologies
|
||||
* Remi Tricot-Le Breton <rlebreton@haproxy.com>
|
||||
*
|
||||
* 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 <import/ebmbtree.h>
|
||||
#include <import/ebsttree.h>
|
||||
|
||||
#include <haproxy/api.h>
|
||||
#include <haproxy/tools.h>
|
||||
#include <haproxy/openssl-compat.h>
|
||||
#include <haproxy/base64.h>
|
||||
#include <haproxy/jwt.h>
|
||||
|
||||
|
||||
#ifdef USE_OPENSSL
|
||||
/*
|
||||
* The possible algorithm strings that can be found in a JWS's JOSE header are
|
||||
* defined in section 3.1 of RFC7518.
|
||||
*/
|
||||
enum jwt_alg jwt_parse_alg(const char *alg_str, unsigned int alg_len)
|
||||
{
|
||||
enum jwt_alg alg = JWT_ALG_DEFAULT;
|
||||
|
||||
/* Algorithms are all 5 characters long apart from "none". */
|
||||
if (alg_len < sizeof("HS256")-1) {
|
||||
if (strncmp("none", alg_str, alg_len) == 0)
|
||||
alg = JWS_ALG_NONE;
|
||||
return alg;
|
||||
}
|
||||
|
||||
if (alg == JWT_ALG_DEFAULT) {
|
||||
switch(*alg_str++) {
|
||||
case 'H':
|
||||
if (strncmp(alg_str, "S256", alg_len-1) == 0)
|
||||
alg = JWS_ALG_HS256;
|
||||
else if (strncmp(alg_str, "S384", alg_len-1) == 0)
|
||||
alg = JWS_ALG_HS384;
|
||||
else if (strncmp(alg_str, "S512", alg_len-1) == 0)
|
||||
alg = JWS_ALG_HS512;
|
||||
break;
|
||||
case 'R':
|
||||
if (strncmp(alg_str, "S256", alg_len-1) == 0)
|
||||
alg = JWS_ALG_RS256;
|
||||
else if (strncmp(alg_str, "S384", alg_len-1) == 0)
|
||||
alg = JWS_ALG_RS384;
|
||||
else if (strncmp(alg_str, "S512", alg_len-1) == 0)
|
||||
alg = JWS_ALG_RS512;
|
||||
break;
|
||||
case 'E':
|
||||
if (strncmp(alg_str, "S256", alg_len-1) == 0)
|
||||
alg = JWS_ALG_ES256;
|
||||
else if (strncmp(alg_str, "S384", alg_len-1) == 0)
|
||||
alg = JWS_ALG_ES384;
|
||||
else if (strncmp(alg_str, "S512", alg_len-1) == 0)
|
||||
alg = JWS_ALG_ES512;
|
||||
break;
|
||||
case 'P':
|
||||
if (strncmp(alg_str, "S256", alg_len-1) == 0)
|
||||
alg = JWS_ALG_PS256;
|
||||
else if (strncmp(alg_str, "S384", alg_len-1) == 0)
|
||||
alg = JWS_ALG_PS384;
|
||||
else if (strncmp(alg_str, "S512", alg_len-1) == 0)
|
||||
alg = JWS_ALG_PS512;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return alg;
|
||||
}
|
||||
#endif /* USE_OPENSSL */
|
||||
Loading…
Reference in New Issue
Block a user