Intermediate changes

1 files changed, 506 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/x509v3/v3_crld.c b/contrib/libs/openssl/crypto/x509v3/v3_crld.c
new file mode 100644
index 0000000000..4854748ffb
--- /dev/null
+++ b/contrib/libs/openssl/crypto/x509v3/v3_crld.c
@@ -0,0 +1,506 @@
+/*
+ * 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/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509v3.h>
+
+#include "crypto/x509.h"
+#include "ext_dat.h"
+
+static void *v2i_crld(const X509V3_EXT_METHOD *method,
+                      X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
+static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
+                     int indent);
+
+const X509V3_EXT_METHOD v3_crld = {
+    NID_crl_distribution_points, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
+    0, 0, 0, 0,
+    0, 0,
+    0,
+    v2i_crld,
+    i2r_crldp, 0,
+    NULL
+};
+
+const X509V3_EXT_METHOD v3_freshest_crl = {
+    NID_freshest_crl, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
+    0, 0, 0, 0,
+    0, 0,
+    0,
+    v2i_crld,
+    i2r_crldp, 0,
+    NULL
+};
+
+static STACK_OF(GENERAL_NAME) *gnames_from_sectname(X509V3_CTX *ctx,
+                                                    char *sect)
+{
+    STACK_OF(CONF_VALUE) *gnsect;
+    STACK_OF(GENERAL_NAME) *gens;
+    if (*sect == '@')
+        gnsect = X509V3_get_section(ctx, sect + 1);
+    else
+        gnsect = X509V3_parse_list(sect);
+    if (!gnsect) {
+        X509V3err(X509V3_F_GNAMES_FROM_SECTNAME, X509V3_R_SECTION_NOT_FOUND);
+        return NULL;
+    }
+    gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
+    if (*sect == '@')
+        X509V3_section_free(ctx, gnsect);
+    else
+        sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
+    return gens;
+}
+
+static int set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx,
+                               CONF_VALUE *cnf)
+{
+    STACK_OF(GENERAL_NAME) *fnm = NULL;
+    STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
+
+    if (strncmp(cnf->name, "fullname", 9) == 0) {
+        fnm = gnames_from_sectname(ctx, cnf->value);
+        if (!fnm)
+            goto err;
+    } else if (strcmp(cnf->name, "relativename") == 0) {
+        int ret;
+        STACK_OF(CONF_VALUE) *dnsect;
+        X509_NAME *nm;
+        nm = X509_NAME_new();
+        if (nm == NULL)
+            return -1;
+        dnsect = X509V3_get_section(ctx, cnf->value);
+        if (!dnsect) {
+            X509V3err(X509V3_F_SET_DIST_POINT_NAME,
+                      X509V3_R_SECTION_NOT_FOUND);
+            return -1;
+        }
+        ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
+        X509V3_section_free(ctx, dnsect);
+        rnm = nm->entries;
+        nm->entries = NULL;
+        X509_NAME_free(nm);
+        if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
+            goto err;
+        /*
+         * Since its a name fragment can't have more than one RDNSequence
+         */
+        if (sk_X509_NAME_ENTRY_value(rnm,
+                                     sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
+            X509V3err(X509V3_F_SET_DIST_POINT_NAME,
+                      X509V3_R_INVALID_MULTIPLE_RDNS);
+            goto err;
+        }
+    } else
+        return 0;
+
+    if (*pdp) {
+        X509V3err(X509V3_F_SET_DIST_POINT_NAME,
+                  X509V3_R_DISTPOINT_ALREADY_SET);
+        goto err;
+    }
+
+    *pdp = DIST_POINT_NAME_new();
+    if (*pdp == NULL)
+        goto err;
+    if (fnm) {
+        (*pdp)->type = 0;
+        (*pdp)->name.fullname = fnm;
+    } else {
+        (*pdp)->type = 1;
+        (*pdp)->name.relativename = rnm;
+    }
+
+    return 1;
+
+ err:
+    sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
+    sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
+    return -1;
+}
+
+static const BIT_STRING_BITNAME reason_flags[] = {
+    {0, "Unused", "unused"},
+    {1, "Key Compromise", "keyCompromise"},
+    {2, "CA Compromise", "CACompromise"},
+    {3, "Affiliation Changed", "affiliationChanged"},
+    {4, "Superseded", "superseded"},
+    {5, "Cessation Of Operation", "cessationOfOperation"},
+    {6, "Certificate Hold", "certificateHold"},
+    {7, "Privilege Withdrawn", "privilegeWithdrawn"},
+    {8, "AA Compromise", "AACompromise"},
+    {-1, NULL, NULL}
+};
+
+static int set_reasons(ASN1_BIT_STRING **preas, char *value)
+{
+    STACK_OF(CONF_VALUE) *rsk = NULL;
+    const BIT_STRING_BITNAME *pbn;
+    const char *bnam;
+    int i, ret = 0;
+    rsk = X509V3_parse_list(value);
+    if (rsk == NULL)
+        return 0;
+    if (*preas != NULL)
+        goto err;
+    for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
+        bnam = sk_CONF_VALUE_value(rsk, i)->name;
+        if (*preas == NULL) {
+            *preas = ASN1_BIT_STRING_new();
+            if (*preas == NULL)
+                goto err;
+        }
+        for (pbn = reason_flags; pbn->lname; pbn++) {
+            if (strcmp(pbn->sname, bnam) == 0) {
+                if (!ASN1_BIT_STRING_set_bit(*preas, pbn->bitnum, 1))
+                    goto err;
+                break;
+            }
+        }
+        if (!pbn->lname)
+            goto err;
+    }
+    ret = 1;
+
+ err:
+    sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
+    return ret;
+}
+
+static int print_reasons(BIO *out, const char *rname,
+                         ASN1_BIT_STRING *rflags, int indent)
+{
+    int first = 1;
+    const BIT_STRING_BITNAME *pbn;
+    BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
+    for (pbn = reason_flags; pbn->lname; pbn++) {
+        if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
+            if (first)
+                first = 0;
+            else
+                BIO_puts(out, ", ");
+            BIO_puts(out, pbn->lname);
+        }
+    }
+    if (first)
+        BIO_puts(out, "<EMPTY>\n");
+    else
+        BIO_puts(out, "\n");
+    return 1;
+}
+
+static DIST_POINT *crldp_from_section(X509V3_CTX *ctx,
+                                      STACK_OF(CONF_VALUE) *nval)
+{
+    int i;
+    CONF_VALUE *cnf;
+    DIST_POINT *point = DIST_POINT_new();
+
+    if (point == NULL)
+        goto err;
+    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
+        int ret;
+        cnf = sk_CONF_VALUE_value(nval, i);
+        ret = set_dist_point_name(&point->distpoint, ctx, cnf);
+        if (ret > 0)
+            continue;
+        if (ret < 0)
+            goto err;
+        if (strcmp(cnf->name, "reasons") == 0) {
+            if (!set_reasons(&point->reasons, cnf->value))
+                goto err;
+        } else if (strcmp(cnf->name, "CRLissuer") == 0) {
+            point->CRLissuer = gnames_from_sectname(ctx, cnf->value);
+            if (!point->CRLissuer)
+                goto err;
+        }
+    }
+
+    return point;
+
+ err:
+    DIST_POINT_free(point);
+    return NULL;
+}
+
+static void *v2i_crld(const X509V3_EXT_METHOD *method,
+                      X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
+{
+    STACK_OF(DIST_POINT) *crld;
+    GENERAL_NAMES *gens = NULL;
+    GENERAL_NAME *gen = NULL;
+    CONF_VALUE *cnf;
+    const int num = sk_CONF_VALUE_num(nval);
+    int i;
+
+    crld = sk_DIST_POINT_new_reserve(NULL, num);
+    if (crld == NULL)
+        goto merr;
+    for (i = 0; i < num; i++) {
+        DIST_POINT *point;
+
+        cnf = sk_CONF_VALUE_value(nval, i);
+        if (!cnf->value) {
+            STACK_OF(CONF_VALUE) *dpsect;
+            dpsect = X509V3_get_section(ctx, cnf->name);
+            if (!dpsect)
+                goto err;
+            point = crldp_from_section(ctx, dpsect);
+            X509V3_section_free(ctx, dpsect);
+            if (!point)
+                goto err;
+            sk_DIST_POINT_push(crld, point); /* no failure as it was reserved */
+        } else {
+            if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
+                goto err;
+            if ((gens = GENERAL_NAMES_new()) == NULL)
+                goto merr;
+            if (!sk_GENERAL_NAME_push(gens, gen))
+                goto merr;
+            gen = NULL;
+            if ((point = DIST_POINT_new()) == NULL)
+                goto merr;
+            sk_DIST_POINT_push(crld, point); /* no failure as it was reserved */
+            if ((point->distpoint = DIST_POINT_NAME_new()) == NULL)
+                goto merr;
+            point->distpoint->name.fullname = gens;
+            point->distpoint->type = 0;
+            gens = NULL;
+        }
+    }
+    return crld;
+
+ merr:
+    X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
+ err:
+    GENERAL_NAME_free(gen);
+    GENERAL_NAMES_free(gens);
+    sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
+    return NULL;
+}
+
+static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                  void *exarg)
+{
+    DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
+
+    switch (operation) {
+    case ASN1_OP_NEW_POST:
+        dpn->dpname = NULL;
+        break;
+
+    case ASN1_OP_FREE_POST:
+        X509_NAME_free(dpn->dpname);
+        break;
+    }
+    return 1;
+}
+
+
+ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
+        ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
+        ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
+} ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
+
+
+IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
+
+ASN1_SEQUENCE(DIST_POINT) = {
+        ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
+        ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
+        ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
+} ASN1_SEQUENCE_END(DIST_POINT)
+
+IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
+
+ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
+        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
+ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
+
+IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
+
+ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
+        ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
+        ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
+        ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
+        ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
+        ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
+        ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
+} ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
+
+IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
+
+static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
+                   int indent);
+static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
+                     STACK_OF(CONF_VALUE) *nval);
+
+const X509V3_EXT_METHOD v3_idp = {
+    NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
+    ASN1_ITEM_ref(ISSUING_DIST_POINT),
+    0, 0, 0, 0,
+    0, 0,
+    0,
+    v2i_idp,
+    i2r_idp, 0,
+    NULL
+};
+
+static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
+                     STACK_OF(CONF_VALUE) *nval)
+{
+    ISSUING_DIST_POINT *idp = NULL;
+    CONF_VALUE *cnf;
+    char *name, *val;
+    int i, ret;
+    idp = ISSUING_DIST_POINT_new();
+    if (idp == NULL)
+        goto merr;
+    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
+        cnf = sk_CONF_VALUE_value(nval, i);
+        name = cnf->name;
+        val = cnf->value;
+        ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
+        if (ret > 0)
+            continue;
+        if (ret < 0)
+            goto err;
+        if (strcmp(name, "onlyuser") == 0) {
+            if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
+                goto err;
+        } else if (strcmp(name, "onlyCA") == 0) {
+            if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
+                goto err;
+        } else if (strcmp(name, "onlyAA") == 0) {
+            if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
+                goto err;
+        } else if (strcmp(name, "indirectCRL") == 0) {
+            if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
+                goto err;
+        } else if (strcmp(name, "onlysomereasons") == 0) {
+            if (!set_reasons(&idp->onlysomereasons, val))
+                goto err;
+        } else {
+            X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
+            X509V3_conf_err(cnf);
+            goto err;
+        }
+    }
+    return idp;
+
+ merr:
+    X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
+ err:
+    ISSUING_DIST_POINT_free(idp);
+    return NULL;
+}
+
+static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
+{
+    int i;
+    for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
+        BIO_printf(out, "%*s", indent + 2, "");
+        GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
+        BIO_puts(out, "\n");
+    }
+    return 1;
+}
+
+static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
+{
+    if (dpn->type == 0) {
+        BIO_printf(out, "%*sFull Name:\n", indent, "");
+        print_gens(out, dpn->name.fullname, indent);
+    } else {
+        X509_NAME ntmp;
+        ntmp.entries = dpn->name.relativename;
+        BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
+        X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
+        BIO_puts(out, "\n");
+    }
+    return 1;
+}
+
+static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
+                   int indent)
+{
+    ISSUING_DIST_POINT *idp = pidp;
+    if (idp->distpoint)
+        print_distpoint(out, idp->distpoint, indent);
+    if (idp->onlyuser > 0)
+        BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
+    if (idp->onlyCA > 0)
+        BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
+    if (idp->indirectCRL > 0)
+        BIO_printf(out, "%*sIndirect CRL\n", indent, "");
+    if (idp->onlysomereasons)
+        print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
+    if (idp->onlyattr > 0)
+        BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
+    if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
+        && (idp->indirectCRL <= 0) && !idp->onlysomereasons
+        && (idp->onlyattr <= 0))
+        BIO_printf(out, "%*s<EMPTY>\n", indent, "");
+
+    return 1;
+}
+
+static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
+                     int indent)
+{
+    STACK_OF(DIST_POINT) *crld = pcrldp;
+    DIST_POINT *point;
+    int i;
+    for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
+        BIO_puts(out, "\n");
+        point = sk_DIST_POINT_value(crld, i);
+        if (point->distpoint)
+            print_distpoint(out, point->distpoint, indent);
+        if (point->reasons)
+            print_reasons(out, "Reasons", point->reasons, indent);
+        if (point->CRLissuer) {
+            BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
+            print_gens(out, point->CRLissuer, indent);
+        }
+    }
+    return 1;
+}
+
+int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
+{
+    int i;
+    STACK_OF(X509_NAME_ENTRY) *frag;
+    X509_NAME_ENTRY *ne;
+    if (!dpn || (dpn->type != 1))
+        return 1;
+    frag = dpn->name.relativename;
+    dpn->dpname = X509_NAME_dup(iname);
+    if (!dpn->dpname)
+        return 0;
+    for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
+        ne = sk_X509_NAME_ENTRY_value(frag, i);
+        if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
+            X509_NAME_free(dpn->dpname);
+            dpn->dpname = NULL;
+            return 0;
+        }
+    }
+    /* generate cached encoding of name */
+    if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
+        X509_NAME_free(dpn->dpname);
+        dpn->dpname = NULL;
+        return 0;
+    }
+    return 1;
+}