rz_pkcs7.h File Reference

#include <rz_util/rz_x509.h>

Go to the source code of this file.

Classes
struct	rz_pkcs7_certificaterevocationlists_t
struct	rz_pkcs7_extendedcertificatesandcertificates_t
struct	rz_pkcs7_digestalgorithmidentifiers_t
struct	rz_pkcs7_contentinfo_t
struct	rz_pkcs7_issuerandserialnumber_t
struct	rz_pkcs7_attribute_t
struct	rz_pkcs7_attributes_t
struct	rz_pkcs7_signerinfo_t
struct	rz_pkcs7_signerinfos_t
struct	rz_pkcs7_signeddata_t
struct	rz_pkcs7_container_t
struct	SpcAttributeTypeAndOptionalValue
struct	SpcDigestInfo
struct	SpcIndirectDataContent

Typedefs
typedef struct rz_pkcs7_certificaterevocationlists_t	RPKCS7CertificateRevocationLists
typedef struct rz_pkcs7_extendedcertificatesandcertificates_t	RPKCS7ExtendedCertificatesAndCertificates
typedef struct rz_pkcs7_digestalgorithmidentifiers_t	RPKCS7DigestAlgorithmIdentifiers
typedef struct rz_pkcs7_contentinfo_t	RPKCS7ContentInfo
typedef struct rz_pkcs7_issuerandserialnumber_t	RPKCS7IssuerAndSerialNumber
typedef struct rz_pkcs7_attribute_t	RPKCS7Attribute
typedef struct rz_pkcs7_attributes_t	RPKCS7Attributes
typedef struct rz_pkcs7_signerinfo_t	RPKCS7SignerInfo
typedef struct rz_pkcs7_signerinfos_t	RPKCS7SignerInfos
typedef struct rz_pkcs7_signeddata_t	RPKCS7SignedData
typedef struct rz_pkcs7_container_t	RCMS

Functions
RZ_API RCMS *	rz_pkcs7_parse_cms (const ut8 *buffer, ut32 length)
RZ_API void	rz_pkcs7_free_cms (RCMS *container)
RZ_API char *	rz_pkcs7_cms_to_string (RCMS *container)
RZ_API PJ *	rz_pkcs7_cms_json (RCMS *container)
RZ_API SpcIndirectDataContent *	rz_pkcs7_parse_spcinfo (RCMS *cms)
RZ_API void	rz_pkcs7_free_spcinfo (SpcIndirectDataContent *spcinfo)

Typedef Documentation

RCMS

typedef struct rz_pkcs7_container_t RCMS

RPKCS7Attribute

typedef struct rz_pkcs7_attribute_t RPKCS7Attribute

RPKCS7Attributes

typedef struct rz_pkcs7_attributes_t RPKCS7Attributes

RPKCS7CertificateRevocationLists

typedef struct rz_pkcs7_certificaterevocationlists_t RPKCS7CertificateRevocationLists

RPKCS7ContentInfo

typedef struct rz_pkcs7_contentinfo_t RPKCS7ContentInfo

RPKCS7DigestAlgorithmIdentifiers

typedef struct rz_pkcs7_digestalgorithmidentifiers_t RPKCS7DigestAlgorithmIdentifiers

RPKCS7ExtendedCertificatesAndCertificates

typedef struct rz_pkcs7_extendedcertificatesandcertificates_t RPKCS7ExtendedCertificatesAndCertificates

RPKCS7IssuerAndSerialNumber

typedef struct rz_pkcs7_issuerandserialnumber_t RPKCS7IssuerAndSerialNumber

RPKCS7SignedData

typedef struct rz_pkcs7_signeddata_t RPKCS7SignedData

RPKCS7SignerInfo

typedef struct rz_pkcs7_signerinfo_t RPKCS7SignerInfo

RPKCS7SignerInfos

typedef struct rz_pkcs7_signerinfos_t RPKCS7SignerInfos

Function Documentation

rz_pkcs7_cms_json()

RZ_API PJ* rz_pkcs7_cms_json

(

RCMS *

container

)

Definition at line 592 of file pkcs7.c.

                                              {
    PJ *pj = NULL;
    if (container) {
        ut32 i;
 
        pj = pj_new();
 
        pj_o(pj);
        pj_kn(pj, "Version", container->signedData.version);
 
        if (container->signedData.digestAlgorithms.elements) {
            pj_k(pj, "DigestAlgorithms");
            pj_a(pj);
            for (i = 0; i < container->signedData.digestAlgorithms.length; i++) {
                if (container->signedData.digestAlgorithms.elements[i]) {
                    RASN1String *s = container->signedData.digestAlgorithms.elements[i]->algorithm;
                    if (s) {
                        pj_s(pj, s->string);
                    }
                }
            }
            pj_end(pj);
        }
 
        pj_k(pj, "Certificates");
        pj_a(pj);
        for (i = 0; i < container->signedData.certificates.length; i++) {
            rz_x509_certificate_json(pj, container->signedData.certificates.elements[i]);
        }
        pj_end(pj);
 
        pj_k(pj, "CRL");
        pj_a(pj);
        for (i = 0; i < container->signedData.crls.length; i++) {
            rz_x509_crl_json(pj, container->signedData.crls.elements[i]);
        }
        pj_end(pj);
 
        pj_k(pj, "SignerInfos");
        pj_a(pj);
        if (container->signedData.signerinfos.elements) {
            for (i = 0; i < container->signedData.signerinfos.length; i++) {
                rz_x509_signedinfo_json(pj, container->signedData.signerinfos.elements[i]);
            }
        }
        pj_end(pj);
        pj_end(pj);
    }
    return pj;
}

References rz_x509_algorithmidentifier_t::algorithm, rz_pkcs7_signeddata_t::certificates, rz_pkcs7_signeddata_t::crls, rz_pkcs7_signeddata_t::digestAlgorithms, rz_pkcs7_certificaterevocationlists_t::elements, rz_pkcs7_extendedcertificatesandcertificates_t::elements, rz_pkcs7_digestalgorithmidentifiers_t::elements, rz_pkcs7_signerinfos_t::elements, i, rz_pkcs7_certificaterevocationlists_t::length, rz_pkcs7_extendedcertificatesandcertificates_t::length, rz_pkcs7_digestalgorithmidentifiers_t::length, rz_pkcs7_signerinfos_t::length, NULL, pj_a(), pj_end(), pj_k(), pj_kn(), pj_new(), pj_o(), pj_s(), rz_x509_certificate_json(), rz_x509_crl_json(), rz_x509_signedinfo_json(), s, rz_pkcs7_container_t::signedData, rz_pkcs7_signeddata_t::signerinfos, and rz_pkcs7_signeddata_t::version.

Referenced by signature().

rz_pkcs7_cms_to_string()

RZ_API char* rz_pkcs7_cms_to_string

(

RCMS *

container

)

Definition at line 479 of file pkcs7.c.

                                                     {
    ut32 i;
    if (!container) {
        return NULL;
    }
    RPKCS7SignedData *sd = &container->signedData;
    RzStrBuf *sb = rz_strbuf_new("");
    rz_strbuf_appendf(sb, "signedData\n  Version: v%u\n  Digest Algorithms:\n", sd->version);
 
    if (container->signedData.digestAlgorithms.elements) {
        for (i = 0; i < container->signedData.digestAlgorithms.length; i++) {
            if (container->signedData.digestAlgorithms.elements[i]) {
                RASN1String *s = container->signedData.digestAlgorithms.elements[i]->algorithm;
                rz_strbuf_appendf(sb, "    %s\n", s ? s->string : "Missing");
            }
        }
    }
 
    rz_strbuf_appendf(sb, "  Certificates: %u\n", container->signedData.certificates.length);
 
    for (i = 0; i < container->signedData.certificates.length; i++) {
        rz_x509_certificate_dump(container->signedData.certificates.elements[i], "    ", sb);
    }
 
    for (i = 0; i < container->signedData.crls.length; i++) {
        char *res = rz_x509_crl_to_string(container->signedData.crls.elements[i], "    ");
        if (res) {
            rz_strbuf_append(sb, res);
            free(res);
        }
    }
 
    rz_strbuf_appendf(sb, "  SignerInfos:\n");
    if (container->signedData.signerinfos.elements) {
        for (i = 0; i < container->signedData.signerinfos.length; i++) {
            rz_x509_signedinfo_dump(container->signedData.signerinfos.elements[i], "    ", sb);
        }
    }
    return rz_strbuf_drain(sb);
}

References rz_x509_algorithmidentifier_t::algorithm, rz_pkcs7_signeddata_t::certificates, rz_pkcs7_signeddata_t::crls, rz_pkcs7_signeddata_t::digestAlgorithms, rz_pkcs7_certificaterevocationlists_t::elements, rz_pkcs7_extendedcertificatesandcertificates_t::elements, rz_pkcs7_digestalgorithmidentifiers_t::elements, rz_pkcs7_signerinfos_t::elements, free(), i, rz_pkcs7_certificaterevocationlists_t::length, rz_pkcs7_extendedcertificatesandcertificates_t::length, rz_pkcs7_digestalgorithmidentifiers_t::length, rz_pkcs7_signerinfos_t::length, NULL, rz_strbuf_append(), rz_strbuf_appendf(), rz_strbuf_drain(), rz_strbuf_new(), rz_x509_certificate_dump(), rz_x509_crl_to_string(), rz_x509_signedinfo_dump(), s, sb, rz_pkcs7_container_t::signedData, rz_pkcs7_signeddata_t::signerinfos, and rz_pkcs7_signeddata_t::version.

Referenced by cmd_print_fromage(), and signature().

rz_pkcs7_free_cms()

RZ_API void rz_pkcs7_free_cms

(

RCMS *

container

)

Definition at line 341 of file pkcs7.c.

                                               {
    if (container) {
        rz_asn1_free_string(container->contentType);
        rz_pkcs7_free_signeddata(&container->signedData);
        free(container);
    }
}

References rz_pkcs7_container_t::contentType, free(), rz_asn1_free_string(), rz_pkcs7_free_signeddata(), and rz_pkcs7_container_t::signedData.

Referenced by cmd_print_fromage(), and rz_bin_pe_free().

rz_pkcs7_free_spcinfo()

RZ_API void rz_pkcs7_free_spcinfo

(

SpcIndirectDataContent *

spcinfo

)

Definition at line 729 of file pkcs7.c.

                                                                   {
    if (spcinfo) {
        rz_pkcs7_free_spcdata(&spcinfo->data);
        rz_pkcs7_free_spcmessagedigest(&spcinfo->messageDigest);
    }
}

References SpcIndirectDataContent::data, SpcIndirectDataContent::messageDigest, rz_pkcs7_free_spcdata(), and rz_pkcs7_free_spcmessagedigest().

Referenced by rz_bin_pe_free().

rz_pkcs7_parse_cms()

RZ_API RCMS* rz_pkcs7_parse_cms	(	const ut8 *	buffer,
		ut32	length
	)

Definition at line 308 of file pkcs7.c.

                                                                {
    RASN1Object *object;
    RCMS *container;
    if (!buffer || !length) {
        return NULL;
    }
    container = RZ_NEW0(RCMS);
    if (!container) {
        return NULL;
    }
    object = rz_asn1_create_object(buffer, length, buffer);
    if (!object || object->list.length < 2 || !object->list.objects ||
        !object->list.objects[0] || !object->list.objects[1] ||
        object->list.objects[1]->list.length < 1) {
        rz_asn1_free_object(object);
        free(container);
        return NULL;
    }
    if (object->list.objects[0]) {
        container->contentType = rz_asn1_stringify_oid(object->list.objects[0]->sector, object->list.objects[0]->length);
        if (!container->contentType) {
            rz_asn1_free_object(object);
            free(container);
            return NULL;
        }
    }
    if (object->list.objects[1]) {
        rz_pkcs7_parse_signeddata(&container->signedData, object->list.objects[1]->list.objects[0]);
    }
    rz_asn1_free_object(object);
    return container;
}

References rz_pkcs7_container_t::contentType, free(), rz_asn1_list_t::length, rz_asn1_object_t::length, length, rz_asn1_object_t::list, NULL, rz_asn1_list_t::objects, rz_asn1_create_object(), rz_asn1_free_object(), rz_asn1_stringify_oid(), RZ_NEW0, rz_pkcs7_parse_signeddata(), rz_asn1_object_t::sector, and rz_pkcs7_container_t::signedData.

Referenced by bin_pe_init_security(), and cmd_print_fromage().

rz_pkcs7_parse_spcinfo()

RZ_API SpcIndirectDataContent* rz_pkcs7_parse_spcinfo

(

RCMS *

cms

)

Definition at line 674 of file pkcs7.c.

                                                                 {
    rz_return_val_if_fail(cms, NULL);
 
    RASN1String *type = cms->signedData.contentInfo.contentType;
    if (type && strcmp(type->string, "spcIndirectDataContext")) {
        return NULL;
    }
 
    SpcIndirectDataContent *spcinfo = RZ_NEW0(SpcIndirectDataContent);
    if (!spcinfo) {
        return NULL;
    }
 
    RASN1Binary *content = cms->signedData.contentInfo.content;
    if (!content) {
        free(spcinfo);
        return NULL;
    }
    RASN1Object *object = rz_asn1_create_object(content->binary, content->length, content->binary);
    if (!object || object->list.length < 2 || !object->list.objects ||
        !object->list.objects[0] || !object->list.objects[1]) {
        RZ_FREE(spcinfo);
        goto beach;
    }
    if (object->list.objects[0]) {
        if (!rz_pkcs7_parse_spcdata(&spcinfo->data, object->list.objects[0])) {
            RZ_FREE(spcinfo);
            goto beach;
        }
    }
    if (object->list.objects[1]) {
        if (!rz_pkcs7_parse_spcmessagedigest(&spcinfo->messageDigest, object->list.objects[1])) {
            RZ_FREE(spcinfo);
            goto beach;
        }
    }
beach:
    rz_asn1_free_object(object);
    return spcinfo;
}

References rz_asn1_bin_t::binary, rz_pkcs7_contentinfo_t::content, rz_pkcs7_signeddata_t::contentInfo, rz_pkcs7_contentinfo_t::contentType, SpcIndirectDataContent::data, free(), rz_asn1_list_t::length, rz_asn1_bin_t::length, rz_asn1_object_t::list, SpcIndirectDataContent::messageDigest, NULL, rz_asn1_list_t::objects, rz_asn1_create_object(), rz_asn1_free_object(), RZ_FREE, RZ_NEW0, rz_pkcs7_parse_spcdata(), rz_pkcs7_parse_spcmessagedigest(), rz_return_val_if_fail, rz_pkcs7_container_t::signedData, and type.

Referenced by bin_pe_init_security().