diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509v3/v3_alt.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509v3/v3_alt.c | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509v3/v3_alt.c b/openssl-1.1.0h/crypto/x509v3/v3_alt.c new file mode 100644 index 0000000..a35d337 --- /dev/null +++ b/openssl-1.1.0h/crypto/x509v3/v3_alt.c @@ -0,0 +1,576 @@ +/* + * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/conf.h> +#include <openssl/x509v3.h> +#include "ext_dat.h" + +static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *nval); +static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *nval); +static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p); +static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens); +static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx); +static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx); + +const X509V3_EXT_METHOD v3_alt[3] = { + {NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES), + 0, 0, 0, 0, + 0, 0, + (X509V3_EXT_I2V) i2v_GENERAL_NAMES, + (X509V3_EXT_V2I)v2i_subject_alt, + NULL, NULL, NULL}, + + {NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES), + 0, 0, 0, 0, + 0, 0, + (X509V3_EXT_I2V) i2v_GENERAL_NAMES, + (X509V3_EXT_V2I)v2i_issuer_alt, + NULL, NULL, NULL}, + + {NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES), + 0, 0, 0, 0, + 0, 0, + (X509V3_EXT_I2V) i2v_GENERAL_NAMES, + NULL, NULL, NULL, NULL}, +}; + +STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method, + GENERAL_NAMES *gens, + STACK_OF(CONF_VALUE) *ret) +{ + int i; + GENERAL_NAME *gen; + for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { + gen = sk_GENERAL_NAME_value(gens, i); + ret = i2v_GENERAL_NAME(method, gen, ret); + } + if (!ret) + return sk_CONF_VALUE_new_null(); + return ret; +} + +STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, + GENERAL_NAME *gen, + STACK_OF(CONF_VALUE) *ret) +{ + unsigned char *p; + char oline[256], htmp[5]; + int i; + switch (gen->type) { + case GEN_OTHERNAME: + if (!X509V3_add_value("othername", "<unsupported>", &ret)) + return NULL; + break; + + case GEN_X400: + if (!X509V3_add_value("X400Name", "<unsupported>", &ret)) + return NULL; + break; + + case GEN_EDIPARTY: + if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret)) + return NULL; + break; + + case GEN_EMAIL: + if (!X509V3_add_value_uchar("email", gen->d.ia5->data, &ret)) + return NULL; + break; + + case GEN_DNS: + if (!X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret)) + return NULL; + break; + + case GEN_URI: + if (!X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret)) + return NULL; + break; + + case GEN_DIRNAME: + if (X509_NAME_oneline(gen->d.dirn, oline, 256) == NULL + || !X509V3_add_value("DirName", oline, &ret)) + return NULL; + break; + + case GEN_IPADD: + p = gen->d.ip->data; + if (gen->d.ip->length == 4) + BIO_snprintf(oline, sizeof(oline), + "%d.%d.%d.%d", p[0], p[1], p[2], p[3]); + else if (gen->d.ip->length == 16) { + oline[0] = 0; + for (i = 0; i < 8; i++) { + BIO_snprintf(htmp, sizeof(htmp), "%X", p[0] << 8 | p[1]); + p += 2; + strcat(oline, htmp); + if (i != 7) + strcat(oline, ":"); + } + } else { + if (!X509V3_add_value("IP Address", "<invalid>", &ret)) + return NULL; + break; + } + if (!X509V3_add_value("IP Address", oline, &ret)) + return NULL; + break; + + case GEN_RID: + i2t_ASN1_OBJECT(oline, 256, gen->d.rid); + if (!X509V3_add_value("Registered ID", oline, &ret)) + return NULL; + break; + } + return ret; +} + +int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen) +{ + unsigned char *p; + int i; + switch (gen->type) { + case GEN_OTHERNAME: + BIO_printf(out, "othername:<unsupported>"); + break; + + case GEN_X400: + BIO_printf(out, "X400Name:<unsupported>"); + break; + + case GEN_EDIPARTY: + /* Maybe fix this: it is supported now */ + BIO_printf(out, "EdiPartyName:<unsupported>"); + break; + + case GEN_EMAIL: + BIO_printf(out, "email:%s", gen->d.ia5->data); + break; + + case GEN_DNS: + BIO_printf(out, "DNS:%s", gen->d.ia5->data); + break; + + case GEN_URI: + BIO_printf(out, "URI:%s", gen->d.ia5->data); + break; + + case GEN_DIRNAME: + BIO_printf(out, "DirName:"); + X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE); + break; + + case GEN_IPADD: + p = gen->d.ip->data; + if (gen->d.ip->length == 4) + BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]); + else if (gen->d.ip->length == 16) { + BIO_printf(out, "IP Address"); + for (i = 0; i < 8; i++) { + BIO_printf(out, ":%X", p[0] << 8 | p[1]); + p += 2; + } + BIO_puts(out, "\n"); + } else { + BIO_printf(out, "IP Address:<invalid>"); + break; + } + break; + + case GEN_RID: + BIO_printf(out, "Registered ID:"); + i2a_ASN1_OBJECT(out, gen->d.rid); + break; + } + return 1; +} + +static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *nval) +{ + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + + if ((gens = sk_GENERAL_NAME_new_null()) == NULL) { + X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE); + return NULL; + } + for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if (!name_cmp(cnf->name, "issuer") + && cnf->value && strcmp(cnf->value, "copy") == 0) { + if (!copy_issuer(ctx, gens)) + goto err; + } else { + GENERAL_NAME *gen; + if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL) + goto err; + sk_GENERAL_NAME_push(gens, gen); + } + } + return gens; + err: + sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); + return NULL; +} + +/* Append subject altname of issuer to issuer alt name of subject */ + +static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens) +{ + GENERAL_NAMES *ialt; + GENERAL_NAME *gen; + X509_EXTENSION *ext; + int i; + + if (ctx && (ctx->flags == CTX_TEST)) + return 1; + if (!ctx || !ctx->issuer_cert) { + X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS); + goto err; + } + i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1); + if (i < 0) + return 1; + if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL + || (ialt = X509V3_EXT_d2i(ext)) == NULL) { + X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR); + goto err; + } + + for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) { + gen = sk_GENERAL_NAME_value(ialt, i); + if (!sk_GENERAL_NAME_push(gens, gen)) { + X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE); + goto err; + } + } + sk_GENERAL_NAME_free(ialt); + + return 1; + + err: + return 0; + +} + +static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *nval) +{ + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + + if ((gens = sk_GENERAL_NAME_new_null()) == NULL) { + X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE); + return NULL; + } + for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if (!name_cmp(cnf->name, "email") + && cnf->value && strcmp(cnf->value, "copy") == 0) { + if (!copy_email(ctx, gens, 0)) + goto err; + } else if (!name_cmp(cnf->name, "email") + && cnf->value && strcmp(cnf->value, "move") == 0) { + if (!copy_email(ctx, gens, 1)) + goto err; + } else { + GENERAL_NAME *gen; + if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL) + goto err; + sk_GENERAL_NAME_push(gens, gen); + } + } + return gens; + err: + sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); + return NULL; +} + +/* + * Copy any email addresses in a certificate or request to GENERAL_NAMES + */ + +static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p) +{ + X509_NAME *nm; + ASN1_IA5STRING *email = NULL; + X509_NAME_ENTRY *ne; + GENERAL_NAME *gen = NULL; + int i; + if (ctx != NULL && ctx->flags == CTX_TEST) + return 1; + if (!ctx || (!ctx->subject_cert && !ctx->subject_req)) { + X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS); + goto err; + } + /* Find the subject name */ + if (ctx->subject_cert) + nm = X509_get_subject_name(ctx->subject_cert); + else + nm = X509_REQ_get_subject_name(ctx->subject_req); + + /* Now add any email address(es) to STACK */ + i = -1; + while ((i = X509_NAME_get_index_by_NID(nm, + NID_pkcs9_emailAddress, i)) >= 0) { + ne = X509_NAME_get_entry(nm, i); + email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne)); + if (move_p) { + X509_NAME_delete_entry(nm, i); + X509_NAME_ENTRY_free(ne); + i--; + } + if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) { + X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE); + goto err; + } + gen->d.ia5 = email; + email = NULL; + gen->type = GEN_EMAIL; + if (!sk_GENERAL_NAME_push(gens, gen)) { + X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE); + goto err; + } + gen = NULL; + } + + return 1; + + err: + GENERAL_NAME_free(gen); + ASN1_IA5STRING_free(email); + return 0; + +} + +GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) +{ + GENERAL_NAME *gen; + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + + if ((gens = sk_GENERAL_NAME_new_null()) == NULL) { + X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE); + return NULL; + } + for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL) + goto err; + sk_GENERAL_NAME_push(gens, gen); + } + return gens; + err: + sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); + return NULL; +} + +GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, CONF_VALUE *cnf) +{ + return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0); +} + +GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out, + const X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, int gen_type, const char *value, + int is_nc) +{ + char is_string = 0; + GENERAL_NAME *gen = NULL; + + if (!value) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE); + return NULL; + } + + if (out) + gen = out; + else { + gen = GENERAL_NAME_new(); + if (gen == NULL) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE); + return NULL; + } + } + + switch (gen_type) { + case GEN_URI: + case GEN_EMAIL: + case GEN_DNS: + is_string = 1; + break; + + case GEN_RID: + { + ASN1_OBJECT *obj; + if ((obj = OBJ_txt2obj(value, 0)) == NULL) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT); + ERR_add_error_data(2, "value=", value); + goto err; + } + gen->d.rid = obj; + } + break; + + case GEN_IPADD: + if (is_nc) + gen->d.ip = a2i_IPADDRESS_NC(value); + else + gen->d.ip = a2i_IPADDRESS(value); + if (gen->d.ip == NULL) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS); + ERR_add_error_data(2, "value=", value); + goto err; + } + break; + + case GEN_DIRNAME: + if (!do_dirname(gen, value, ctx)) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR); + goto err; + } + break; + + case GEN_OTHERNAME: + if (!do_othername(gen, value, ctx)) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR); + goto err; + } + break; + default: + X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE); + goto err; + } + + if (is_string) { + if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL || + !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value, + strlen(value))) { + X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE); + goto err; + } + } + + gen->type = gen_type; + + return gen; + + err: + if (!out) + GENERAL_NAME_free(gen); + return NULL; +} + +GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out, + const X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc) +{ + int type; + + char *name, *value; + + name = cnf->name; + value = cnf->value; + + if (!value) { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE); + return NULL; + } + + if (!name_cmp(name, "email")) + type = GEN_EMAIL; + else if (!name_cmp(name, "URI")) + type = GEN_URI; + else if (!name_cmp(name, "DNS")) + type = GEN_DNS; + else if (!name_cmp(name, "RID")) + type = GEN_RID; + else if (!name_cmp(name, "IP")) + type = GEN_IPADD; + else if (!name_cmp(name, "dirName")) + type = GEN_DIRNAME; + else if (!name_cmp(name, "otherName")) + type = GEN_OTHERNAME; + else { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION); + ERR_add_error_data(2, "name=", name); + return NULL; + } + + return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc); + +} + +static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx) +{ + char *objtmp = NULL, *p; + int objlen; + + if ((p = strchr(value, ';')) == NULL) + return 0; + if ((gen->d.otherName = OTHERNAME_new()) == NULL) + return 0; + /* + * Free this up because we will overwrite it. no need to free type_id + * because it is static + */ + ASN1_TYPE_free(gen->d.otherName->value); + if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL) + return 0; + objlen = p - value; + objtmp = OPENSSL_strndup(value, objlen); + if (objtmp == NULL) + return 0; + gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0); + OPENSSL_free(objtmp); + if (!gen->d.otherName->type_id) + return 0; + return 1; +} + +static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx) +{ + int ret = 0; + STACK_OF(CONF_VALUE) *sk = NULL; + X509_NAME *nm; + + if ((nm = X509_NAME_new()) == NULL) + goto err; + sk = X509V3_get_section(ctx, value); + if (!sk) { + X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND); + ERR_add_error_data(2, "section=", value); + goto err; + } + /* FIXME: should allow other character types... */ + ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC); + if (!ret) + goto err; + gen->d.dirn = nm; + +err: + if (ret == 0) + X509_NAME_free(nm); + X509V3_section_free(ctx, sk); + return ret; +} |