diff options
Diffstat (limited to 'thirdparty/mbedtls/library/x509_csr.c')
| -rw-r--r-- | thirdparty/mbedtls/library/x509_csr.c | 270 |
1 files changed, 128 insertions, 142 deletions
diff --git a/thirdparty/mbedtls/library/x509_csr.c b/thirdparty/mbedtls/library/x509_csr.c index 1a22b77086..89344d183b 100644 --- a/thirdparty/mbedtls/library/x509_csr.c +++ b/thirdparty/mbedtls/library/x509_csr.c @@ -51,56 +51,56 @@ /* * Version ::= INTEGER { v1(0) } */ -static int x509_csr_get_version( unsigned char **p, - const unsigned char *end, - int *ver ) +static int x509_csr_get_version(unsigned char **p, + const unsigned char *end, + int *ver) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - if( ( ret = mbedtls_asn1_get_int( p, end, ver ) ) != 0 ) - { - if( ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) - { + if ((ret = mbedtls_asn1_get_int(p, end, ver)) != 0) { + if (ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) { *ver = 0; - return( 0 ); + return 0; } - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_VERSION, ret ) ); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_VERSION, ret); } - return( 0 ); + return 0; } /* * Parse a CSR in DER format */ -int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, - const unsigned char *buf, size_t buflen ) +int mbedtls_x509_csr_parse_der(mbedtls_x509_csr *csr, + const unsigned char *buf, size_t buflen) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t len; unsigned char *p, *end; mbedtls_x509_buf sig_params; - memset( &sig_params, 0, sizeof( mbedtls_x509_buf ) ); + memset(&sig_params, 0, sizeof(mbedtls_x509_buf)); /* * Check for valid input */ - if( csr == NULL || buf == NULL || buflen == 0 ) - return( MBEDTLS_ERR_X509_BAD_INPUT_DATA ); + if (csr == NULL || buf == NULL || buflen == 0) { + return MBEDTLS_ERR_X509_BAD_INPUT_DATA; + } - mbedtls_x509_csr_init( csr ); + mbedtls_x509_csr_init(csr); /* * first copy the raw DER data */ - p = mbedtls_calloc( 1, len = buflen ); + p = mbedtls_calloc(1, len = buflen); - if( p == NULL ) - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); + if (p == NULL) { + return MBEDTLS_ERR_X509_ALLOC_FAILED; + } - memcpy( p, buf, buflen ); + memcpy(p, buf, buflen); csr->raw.p = p; csr->raw.len = len; @@ -113,18 +113,16 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, * signature BIT STRING * } */ - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERR_X509_INVALID_FORMAT ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERR_X509_INVALID_FORMAT; } - if( len != (size_t) ( end - p ) ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (len != (size_t) (end - p)) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); } /* @@ -132,11 +130,10 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, */ csr->cri.p = p; - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, ret ) ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, ret); } end = p + len; @@ -145,16 +142,14 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, /* * Version ::= INTEGER { v1(0) } */ - if( ( ret = x509_csr_get_version( &p, end, &csr->version ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( ret ); + if ((ret = x509_csr_get_version(&p, end, &csr->version)) != 0) { + mbedtls_x509_csr_free(csr); + return ret; } - if( csr->version != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERR_X509_UNKNOWN_VERSION ); + if (csr->version != 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERR_X509_UNKNOWN_VERSION; } csr->version++; @@ -164,17 +159,15 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, */ csr->subject_raw.p = p; - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, ret ) ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, ret); } - if( ( ret = mbedtls_x509_get_name( &p, p + len, &csr->subject ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( ret ); + if ((ret = mbedtls_x509_get_name(&p, p + len, &csr->subject)) != 0) { + mbedtls_x509_csr_free(csr); + return ret; } csr->subject_raw.len = p - csr->subject_raw.p; @@ -182,10 +175,9 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, /* * subjectPKInfo SubjectPublicKeyInfo */ - if( ( ret = mbedtls_pk_parse_subpubkey( &p, end, &csr->pk ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( ret ); + if ((ret = mbedtls_pk_parse_subpubkey(&p, end, &csr->pk)) != 0) { + mbedtls_x509_csr_free(csr); + return ret; } /* @@ -198,11 +190,11 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, * the requester's expectations - this cannot cause a violation of our * signature policies. */ - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CONTEXT_SPECIFIC ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, ret ) ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CONTEXT_SPECIFIC)) != + 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, ret); } p += len; @@ -213,40 +205,36 @@ int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr, * signatureAlgorithm AlgorithmIdentifier, * signature BIT STRING */ - if( ( ret = mbedtls_x509_get_alg( &p, end, &csr->sig_oid, &sig_params ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( ret ); + if ((ret = mbedtls_x509_get_alg(&p, end, &csr->sig_oid, &sig_params)) != 0) { + mbedtls_x509_csr_free(csr); + return ret; } - if( ( ret = mbedtls_x509_get_sig_alg( &csr->sig_oid, &sig_params, - &csr->sig_md, &csr->sig_pk, - &csr->sig_opts ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG ); + if ((ret = mbedtls_x509_get_sig_alg(&csr->sig_oid, &sig_params, + &csr->sig_md, &csr->sig_pk, + &csr->sig_opts)) != 0) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG; } - if( ( ret = mbedtls_x509_get_sig( &p, end, &csr->sig ) ) != 0 ) - { - mbedtls_x509_csr_free( csr ); - return( ret ); + if ((ret = mbedtls_x509_get_sig(&p, end, &csr->sig)) != 0) { + mbedtls_x509_csr_free(csr); + return ret; } - if( p != end ) - { - mbedtls_x509_csr_free( csr ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (p != end) { + mbedtls_x509_csr_free(csr); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); } - return( 0 ); + return 0; } /* * Parse a CSR, allowing for PEM or raw DER encoding */ -int mbedtls_x509_csr_parse( mbedtls_x509_csr *csr, const unsigned char *buf, size_t buflen ) +int mbedtls_x509_csr_parse(mbedtls_x509_csr *csr, const unsigned char *buf, size_t buflen) { #if defined(MBEDTLS_PEM_PARSE_C) int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; @@ -257,61 +245,61 @@ int mbedtls_x509_csr_parse( mbedtls_x509_csr *csr, const unsigned char *buf, siz /* * Check for valid input */ - if( csr == NULL || buf == NULL || buflen == 0 ) - return( MBEDTLS_ERR_X509_BAD_INPUT_DATA ); + if (csr == NULL || buf == NULL || buflen == 0) { + return MBEDTLS_ERR_X509_BAD_INPUT_DATA; + } #if defined(MBEDTLS_PEM_PARSE_C) /* Avoid calling mbedtls_pem_read_buffer() on non-null-terminated string */ - if( buf[buflen - 1] == '\0' ) - { - mbedtls_pem_init( &pem ); - ret = mbedtls_pem_read_buffer( &pem, - "-----BEGIN CERTIFICATE REQUEST-----", - "-----END CERTIFICATE REQUEST-----", - buf, NULL, 0, &use_len ); - if( ret == MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT ) - { - ret = mbedtls_pem_read_buffer( &pem, - "-----BEGIN NEW CERTIFICATE REQUEST-----", - "-----END NEW CERTIFICATE REQUEST-----", - buf, NULL, 0, &use_len ); + if (buf[buflen - 1] == '\0') { + mbedtls_pem_init(&pem); + ret = mbedtls_pem_read_buffer(&pem, + "-----BEGIN CERTIFICATE REQUEST-----", + "-----END CERTIFICATE REQUEST-----", + buf, NULL, 0, &use_len); + if (ret == MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) { + ret = mbedtls_pem_read_buffer(&pem, + "-----BEGIN NEW CERTIFICATE REQUEST-----", + "-----END NEW CERTIFICATE REQUEST-----", + buf, NULL, 0, &use_len); } - if( ret == 0 ) - { + if (ret == 0) { /* * Was PEM encoded, parse the result */ - ret = mbedtls_x509_csr_parse_der( csr, pem.buf, pem.buflen ); + ret = mbedtls_x509_csr_parse_der(csr, pem.buf, pem.buflen); } - mbedtls_pem_free( &pem ); - if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT ) - return( ret ); + mbedtls_pem_free(&pem); + if (ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) { + return ret; + } } #endif /* MBEDTLS_PEM_PARSE_C */ - return( mbedtls_x509_csr_parse_der( csr, buf, buflen ) ); + return mbedtls_x509_csr_parse_der(csr, buf, buflen); } #if defined(MBEDTLS_FS_IO) /* * Load a CSR into the structure */ -int mbedtls_x509_csr_parse_file( mbedtls_x509_csr *csr, const char *path ) +int mbedtls_x509_csr_parse_file(mbedtls_x509_csr *csr, const char *path) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t n; unsigned char *buf; - if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_pk_load_file(path, &buf, &n)) != 0) { + return ret; + } - ret = mbedtls_x509_csr_parse( csr, buf, n ); + ret = mbedtls_x509_csr_parse(csr, buf, n); - mbedtls_platform_zeroize( buf, n ); - mbedtls_free( buf ); + mbedtls_platform_zeroize(buf, n); + mbedtls_free(buf); - return( ret ); + return ret; } #endif /* MBEDTLS_FS_IO */ @@ -320,8 +308,8 @@ int mbedtls_x509_csr_parse_file( mbedtls_x509_csr *csr, const char *path ) /* * Return an informational string about the CSR. */ -int mbedtls_x509_csr_info( char *buf, size_t size, const char *prefix, - const mbedtls_x509_csr *csr ) +int mbedtls_x509_csr_info(char *buf, size_t size, const char *prefix, + const mbedtls_x509_csr *csr) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t n; @@ -331,76 +319,74 @@ int mbedtls_x509_csr_info( char *buf, size_t size, const char *prefix, p = buf; n = size; - ret = mbedtls_snprintf( p, n, "%sCSR version : %d", - prefix, csr->version ); + ret = mbedtls_snprintf(p, n, "%sCSR version : %d", + prefix, csr->version); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n%ssubject name : ", prefix ); + ret = mbedtls_snprintf(p, n, "\n%ssubject name : ", prefix); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_x509_dn_gets( p, n, &csr->subject ); + ret = mbedtls_x509_dn_gets(p, n, &csr->subject); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n%ssigned using : ", prefix ); + ret = mbedtls_snprintf(p, n, "\n%ssigned using : ", prefix); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_x509_sig_alg_gets( p, n, &csr->sig_oid, csr->sig_pk, csr->sig_md, - csr->sig_opts ); + ret = mbedtls_x509_sig_alg_gets(p, n, &csr->sig_oid, csr->sig_pk, csr->sig_md, + csr->sig_opts); MBEDTLS_X509_SAFE_SNPRINTF; - if( ( ret = mbedtls_x509_key_size_helper( key_size_str, BEFORE_COLON, - mbedtls_pk_get_name( &csr->pk ) ) ) != 0 ) - { - return( ret ); + if ((ret = mbedtls_x509_key_size_helper(key_size_str, BEFORE_COLON, + mbedtls_pk_get_name(&csr->pk))) != 0) { + return ret; } - ret = mbedtls_snprintf( p, n, "\n%s%-" BC "s: %d bits\n", prefix, key_size_str, - (int) mbedtls_pk_get_bitlen( &csr->pk ) ); + ret = mbedtls_snprintf(p, n, "\n%s%-" BC "s: %d bits\n", prefix, key_size_str, + (int) mbedtls_pk_get_bitlen(&csr->pk)); MBEDTLS_X509_SAFE_SNPRINTF; - return( (int) ( size - n ) ); + return (int) (size - n); } /* * Initialize a CSR */ -void mbedtls_x509_csr_init( mbedtls_x509_csr *csr ) +void mbedtls_x509_csr_init(mbedtls_x509_csr *csr) { - memset( csr, 0, sizeof(mbedtls_x509_csr) ); + memset(csr, 0, sizeof(mbedtls_x509_csr)); } /* * Unallocate all CSR data */ -void mbedtls_x509_csr_free( mbedtls_x509_csr *csr ) +void mbedtls_x509_csr_free(mbedtls_x509_csr *csr) { mbedtls_x509_name *name_cur; mbedtls_x509_name *name_prv; - if( csr == NULL ) + if (csr == NULL) { return; + } - mbedtls_pk_free( &csr->pk ); + mbedtls_pk_free(&csr->pk); #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) - mbedtls_free( csr->sig_opts ); + mbedtls_free(csr->sig_opts); #endif name_cur = csr->subject.next; - while( name_cur != NULL ) - { + while (name_cur != NULL) { name_prv = name_cur; name_cur = name_cur->next; - mbedtls_platform_zeroize( name_prv, sizeof( mbedtls_x509_name ) ); - mbedtls_free( name_prv ); + mbedtls_platform_zeroize(name_prv, sizeof(mbedtls_x509_name)); + mbedtls_free(name_prv); } - if( csr->raw.p != NULL ) - { - mbedtls_platform_zeroize( csr->raw.p, csr->raw.len ); - mbedtls_free( csr->raw.p ); + if (csr->raw.p != NULL) { + mbedtls_platform_zeroize(csr->raw.p, csr->raw.len); + mbedtls_free(csr->raw.p); } - mbedtls_platform_zeroize( csr, sizeof( mbedtls_x509_csr ) ); + mbedtls_platform_zeroize(csr, sizeof(mbedtls_x509_csr)); } #endif /* MBEDTLS_X509_CSR_PARSE_C */ |