int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si) { PKCS7_ISSUER_AND_SERIAL *ias; int ret = 0, i; STACK_OF(X509) *cert; X509 *x509; if (p7 == NULL) { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, PKCS7_R_INVALID_NULL_POINTER); return 0; } if (p7->d.ptr == NULL) { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, PKCS7_R_NO_CONTENT); return 0; } if (PKCS7_type_is_signed(p7)) { cert = p7->d.sign->cert; } else if (PKCS7_type_is_signedAndEnveloped(p7)) { cert = p7->d.signed_and_enveloped->cert; } else { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, PKCS7_R_WRONG_PKCS7_TYPE); goto err; } /* XXXX */ ias = si->issuer_and_serial; x509 = X509_find_by_issuer_and_serial(cert, ias->issuer, ias->serial); /* were we able to find the cert in passed to us */ if (x509 == NULL) { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, PKCS7_R_UNABLE_TO_FIND_CERTIFICATE); goto err; } /* Lets verify */ if (!X509_STORE_CTX_init(ctx, cert_store, x509, cert)) { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, ERR_R_X509_LIB); goto err; } X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN); i = X509_verify_cert(ctx); if (i <= 0) { PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, ERR_R_X509_LIB); X509_STORE_CTX_cleanup(ctx); goto err; } X509_STORE_CTX_cleanup(ctx); return PKCS7_signatureVerify(bio, p7, si, x509); err: return ret; }
X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si) { if (PKCS7_type_is_signed(p7)) return(X509_find_by_issuer_and_serial(p7->d.sign->cert, si->issuer_and_serial->issuer, si->issuer_and_serial->serial)); else return(NULL); }