2 * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * Test CMP DER parsing.
14 #include <openssl/bio.h>
15 #include <openssl/cmp.h>
16 #include "../crypto/cmp/cmp_local.h"
17 #include <openssl/err.h>
21 int FuzzerInitialize(int *argc
, char ***argv
)
23 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS
, NULL
);
25 CRYPTO_free_ex_index(0, -1);
30 static int num_responses
;
32 static OSSL_CMP_MSG
*transfer_cb(OSSL_CMP_CTX
*ctx
, const OSSL_CMP_MSG
*req
)
34 if (num_responses
++ > 2)
35 return NULL
; /* prevent loops due to repeated pollRep */
36 return OSSL_CMP_MSG_dup((OSSL_CMP_MSG
*)
37 OSSL_CMP_CTX_get_transfer_cb_arg(ctx
));
40 static int print_noop(const char *func
, const char *file
, int line
,
41 OSSL_CMP_severity level
, const char *msg
)
46 static int allow_unprotected(const OSSL_CMP_CTX
*ctx
, const OSSL_CMP_MSG
*rep
,
47 int invalid_protection
, int expected_type
)
52 static void cmp_client_process_response(OSSL_CMP_CTX
*ctx
, OSSL_CMP_MSG
*msg
)
54 X509_NAME
*name
= X509_NAME_new();
55 ASN1_INTEGER
*serial
= ASN1_INTEGER_new();
57 ctx
->unprotectedSend
= 1; /* satisfy ossl_cmp_msg_protect() */
58 ctx
->disableConfirm
= 1; /* check just one response message */
59 ctx
->popoMethod
= OSSL_CRMF_POPO_NONE
; /* satisfy ossl_cmp_certReq_new() */
60 ctx
->oldCert
= X509_new(); /* satisfy crm_new() and ossl_cmp_rr_new() */
61 if (!OSSL_CMP_CTX_set1_secretValue(ctx
, (unsigned char *)"",
62 0) /* prevent too unspecific error */
63 || ctx
->oldCert
== NULL
64 || name
== NULL
|| !X509_set_issuer_name(ctx
->oldCert
, name
)
65 || serial
== NULL
|| !X509_set_serialNumber(ctx
->oldCert
, serial
))
68 (void)OSSL_CMP_CTX_set_transfer_cb(ctx
, transfer_cb
);
69 (void)OSSL_CMP_CTX_set_transfer_cb_arg(ctx
, msg
);
70 (void)OSSL_CMP_CTX_set_log_cb(ctx
, print_noop
);
72 switch (msg
->body
!= NULL
? msg
->body
->type
: -1) {
73 case OSSL_CMP_PKIBODY_IP
:
74 (void)OSSL_CMP_exec_IR_ses(ctx
);
76 case OSSL_CMP_PKIBODY_CP
:
77 (void)OSSL_CMP_exec_CR_ses(ctx
);
78 (void)OSSL_CMP_exec_P10CR_ses(ctx
);
80 case OSSL_CMP_PKIBODY_KUP
:
81 (void)OSSL_CMP_exec_KUR_ses(ctx
);
83 case OSSL_CMP_PKIBODY_POLLREP
:
84 ctx
->status
= OSSL_CMP_PKISTATUS_waiting
;
85 (void)OSSL_CMP_try_certreq(ctx
, OSSL_CMP_PKIBODY_CR
, NULL
);
87 case OSSL_CMP_PKIBODY_RP
:
88 (void)OSSL_CMP_exec_RR_ses(ctx
);
90 case OSSL_CMP_PKIBODY_GENP
:
91 sk_OSSL_CMP_ITAV_pop_free(OSSL_CMP_exec_GENM_ses(ctx
),
95 (void)ossl_cmp_msg_check_received(ctx
, msg
, allow_unprotected
, 0);
100 ASN1_INTEGER_free(serial
);
103 static OSSL_CMP_PKISI
*process_cert_request(OSSL_CMP_SRV_CTX
*srv_ctx
,
104 const OSSL_CMP_MSG
*cert_req
,
106 const OSSL_CRMF_MSG
*crm
,
107 const X509_REQ
*p10cr
,
109 STACK_OF(X509
) **chainOut
,
110 STACK_OF(X509
) **caPubs
)
112 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
116 static OSSL_CMP_PKISI
*process_rr(OSSL_CMP_SRV_CTX
*srv_ctx
,
117 const OSSL_CMP_MSG
*rr
,
118 const X509_NAME
*issuer
,
119 const ASN1_INTEGER
*serial
)
121 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
125 static int process_genm(OSSL_CMP_SRV_CTX
*srv_ctx
,
126 const OSSL_CMP_MSG
*genm
,
127 const STACK_OF(OSSL_CMP_ITAV
) *in
,
128 STACK_OF(OSSL_CMP_ITAV
) **out
)
130 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
134 static void process_error(OSSL_CMP_SRV_CTX
*srv_ctx
, const OSSL_CMP_MSG
*error
,
135 const OSSL_CMP_PKISI
*statusInfo
,
136 const ASN1_INTEGER
*errorCode
,
137 const OSSL_CMP_PKIFREETEXT
*errorDetails
)
139 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
142 static int process_certConf(OSSL_CMP_SRV_CTX
*srv_ctx
,
143 const OSSL_CMP_MSG
*certConf
, int certReqId
,
144 const ASN1_OCTET_STRING
*certHash
,
145 const OSSL_CMP_PKISI
*si
)
147 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
151 static int process_pollReq(OSSL_CMP_SRV_CTX
*srv_ctx
,
152 const OSSL_CMP_MSG
*pollReq
, int certReqId
,
153 OSSL_CMP_MSG
**certReq
, int64_t *check_after
)
155 CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE
);
159 int FuzzerTestOneInput(const uint8_t *buf
, size_t len
)
167 in
= BIO_new(BIO_s_mem());
168 OPENSSL_assert((size_t)BIO_write(in
, buf
, len
) == len
);
169 msg
= d2i_OSSL_CMP_MSG_bio(in
, NULL
);
171 BIO
*out
= BIO_new(BIO_s_null());
172 OSSL_CMP_SRV_CTX
*srv_ctx
= OSSL_CMP_SRV_CTX_new();
173 OSSL_CMP_CTX
*client_ctx
= OSSL_CMP_CTX_new();
175 i2d_OSSL_CMP_MSG_bio(out
, msg
);
176 ASN1_item_print(out
, (ASN1_VALUE
*)msg
, 4,
177 ASN1_ITEM_rptr(OSSL_CMP_MSG
), NULL
);
180 if (client_ctx
!= NULL
)
181 cmp_client_process_response(client_ctx
, msg
);
183 && OSSL_CMP_CTX_set_log_cb(OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx
),
185 && OSSL_CMP_SRV_CTX_init(srv_ctx
, NULL
, process_cert_request
,
186 process_rr
, process_genm
, process_error
,
187 process_certConf
, process_pollReq
))
188 OSSL_CMP_MSG_free(OSSL_CMP_SRV_process_request(srv_ctx
, msg
));
190 OSSL_CMP_CTX_free(client_ctx
);
191 OSSL_CMP_SRV_CTX_free(srv_ctx
);
192 OSSL_CMP_MSG_free(msg
);
201 void FuzzerCleanup(void)