/* v3_cpols.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include "cryptlib.h" #include #include #include #include /* Certificate policies extension support: this one is a bit complex... */ static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent); static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value); static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent); static void print_notice(BIO *out, USERNOTICE *notice, int indent); static POLICYINFO *policy_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *polstrs, int ia5org); static POLICYQUALINFO *notice_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *unot, int ia5org); static STACK_OF(ASN1_INTEGER) *nref_nos(STACK_OF(CONF_VALUE) *nos); X509V3_EXT_METHOD v3_cpols = { NID_certificate_policies, 0, (X509V3_EXT_NEW)CERTIFICATEPOLICIES_new, (X509V3_EXT_FREE)CERTIFICATEPOLICIES_free, (X509V3_EXT_D2I)d2i_CERTIFICATEPOLICIES, (X509V3_EXT_I2D)i2d_CERTIFICATEPOLICIES, NULL, NULL, NULL, NULL, (X509V3_EXT_I2R)i2r_certpol, (X509V3_EXT_R2I)r2i_certpol, NULL }; static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value) { STACK_OF(POLICYINFO) *pols = NULL; char *pstr; POLICYINFO *pol; ASN1_OBJECT *pobj; STACK_OF(CONF_VALUE) *vals; CONF_VALUE *cnf; int i, ia5org; pols = sk_POLICYINFO_new_null(); vals = X509V3_parse_list(value); ia5org = 0; for(i = 0; i < sk_CONF_VALUE_num(vals); i++) { cnf = sk_CONF_VALUE_value(vals, i); if(cnf->value || !cnf->name ) { X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_POLICY_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pstr = cnf->name; if(!strcmp(pstr,"ia5org")) { ia5org = 1; continue; } else if(*pstr == '@') { STACK_OF(CONF_VALUE) *polsect; polsect = X509V3_get_section(ctx, pstr + 1); if(!polsect) { X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_SECTION); X509V3_conf_err(cnf); goto err; } pol = policy_section(ctx, polsect, ia5org); X509V3_section_free(ctx, polsect); if(!pol) goto err; } else { if(!(pobj = OBJ_txt2obj(cnf->name, 0))) { X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pol = POLICYINFO_new(); pol->policyid = pobj; } sk_POLICYINFO_push(pols, pol); } sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); return pols; err: sk_POLICYINFO_pop_free(pols, POLICYINFO_free); return NULL; } static POLICYINFO *policy_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *polstrs, int ia5org) { int i; CONF_VALUE *cnf; POLICYINFO *pol; POLICYQUALINFO *qual; if(!(pol = POLICYINFO_new())) goto merr; for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) { cnf = sk_CONF_VALUE_value(polstrs, i); if(!strcmp(cnf->name, "policyIdentifier")) { ASN1_OBJECT *pobj; if(!(pobj = OBJ_txt2obj(cnf->value, 0))) { X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pol->policyid = pobj; } else if(!name_cmp(cnf->name, "CPS")) { if(!pol->qualifiers) pol->qualifiers = sk_POLICYQUALINFO_new_null(); if(!(qual = POLICYQUALINFO_new())) goto merr; if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) goto merr; qual->pqualid = OBJ_nid2obj(NID_id_qt_cps); qual->d.cpsuri = M_ASN1_IA5STRING_new(); if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value, strlen(cnf->value))) goto merr; } else if(!name_cmp(cnf->name, "userNotice")) { STACK_OF(CONF_VALUE) *unot; if(*cnf->value != '@') { X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME); X509V3_conf_err(cnf); goto err; } unot = X509V3_get_section(ctx, cnf->value + 1); if(!unot) { X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION); X509V3_conf_err(cnf); goto err; } qual = notice_section(ctx, unot, ia5org); X509V3_section_free(ctx, unot); if(!qual) goto err; if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) goto merr; } else { X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION); X509V3_conf_err(cnf); goto err; } } if(!pol->policyid) { X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER); goto err; } return pol; merr: X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE); err: POLICYINFO_free(pol); return NULL; } static POLICYQUALINFO *notice_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *unot, int ia5org) { int i; CONF_VALUE *cnf; USERNOTICE *not; POLICYQUALINFO *qual; if(!(qual = POLICYQUALINFO_new())) goto merr; qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice); if(!(not = USERNOTICE_new())) goto merr; qual->d.usernotice = not; for(i = 0; i < sk_CONF_VALUE_num(unot); i++) { cnf = sk_CONF_VALUE_value(unot, i); if(!strcmp(cnf->name, "explicitText")) { not->exptext = M_ASN1_VISIBLESTRING_new(); if(!ASN1_STRING_set(not->exptext, cnf->value, strlen(cnf->value))) goto merr; } else if(!strcmp(cnf->name, "organization")) { NOTICEREF *nref; if(!not->noticeref) { if(!(nref = NOTICEREF_new())) goto merr; not->noticeref = nref; } else nref = not->noticeref; if(ia5org) nref->organization = M_ASN1_IA5STRING_new(); else nref->organization = M_ASN1_VISIBLESTRING_new(); if(!ASN1_STRING_set(nref->organization, cnf->value, strlen(cnf->value))) goto merr; } else if(!strcmp(cnf->name, "noticeNumbers")) { NOTICEREF *nref; STACK_OF(CONF_VALUE) *nos; if(!not->noticeref) { if(!(nref = NOTICEREF_new())) goto merr; not->noticeref = nref; } else nref = not->noticeref; nos = X509V3_parse_list(cnf->value); if(!nos || !sk_CONF_VALUE_num(nos)) { X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS); X509V3_conf_err(cnf); goto err; } nref->noticenos = nref_nos(nos); sk_CONF_VALUE_pop_free(nos, X509V3_conf_free); if(!nref->noticenos) goto err; } else { X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION); X509V3_conf_err(cnf); goto err; } } if(not->noticeref && (!not->noticeref->noticenos || !not->noticeref->organization)) { X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS); goto err; } return qual; merr: X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE); err: POLICYQUALINFO_free(qual); return NULL; } static STACK_OF(ASN1_INTEGER) *nref_nos(STACK_OF(CONF_VALUE) *nos) { STACK_OF(ASN1_INTEGER) *nnums; CONF_VALUE *cnf; ASN1_INTEGER *aint; int i; if(!(nnums = sk_ASN1_INTEGER_new_null())) goto merr; for(i = 0; i < sk_CONF_VALUE_num(nos); i++) { cnf = sk_CONF_VALUE_value(nos, i); if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) { X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER); goto err; } if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr; } return nnums; merr: X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE); err: sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free); return NULL; } static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent) { int i; POLICYINFO *pinfo; /* First print out the policy OIDs */ for(i = 0; i < sk_POLICYINFO_num(pol); i++) { pinfo = sk_POLICYINFO_value(pol, i); BIO_printf(out, "%*sPolicy: ", indent, ""); i2a_ASN1_OBJECT(out, pinfo->policyid); BIO_puts(out, "\n"); if(pinfo->qualifiers) print_qualifiers(out, pinfo->qualifiers, indent + 2); } return 1; } int i2d_CERTIFICATEPOLICIES(STACK_OF(POLICYINFO) *a, unsigned char **pp) { return i2d_ASN1_SET_OF_POLICYINFO(a, pp, i2d_POLICYINFO, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);} STACK_OF(POLICYINFO) *CERTIFICATEPOLICIES_new(void) { return sk_POLICYINFO_new_null(); } void CERTIFICATEPOLICIES_free(STACK_OF(POLICYINFO) *a) { sk_POLICYINFO_pop_free(a, POLICYINFO_free); } STACK_OF(POLICYINFO) *d2i_CERTIFICATEPOLICIES(STACK_OF(POLICYINFO) **a, unsigned char **pp,long length) { return d2i_ASN1_SET_OF_POLICYINFO(a, pp, length, d2i_POLICYINFO, POLICYINFO_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); } IMPLEMENT_STACK_OF(POLICYINFO) IMPLEMENT_ASN1_SET_OF(POLICYINFO) int i2d_POLICYINFO(POLICYINFO *a, unsigned char **pp) { M_ASN1_I2D_vars(a); M_ASN1_I2D_len (a->policyid, i2d_ASN1_OBJECT); M_ASN1_I2D_len_SEQUENCE_type(POLICYQUALINFO, a->qualifiers, i2d_POLICYQUALINFO); M_ASN1_I2D_seq_total(); M_ASN1_I2D_put (a->policyid, i2d_ASN1_OBJECT); M_ASN1_I2D_put_SEQUENCE_type(POLICYQUALINFO, a->qualifiers, i2d_POLICYQUALINFO); M_ASN1_I2D_finish(); } POLICYINFO *POLICYINFO_new(void) { POLICYINFO *ret=NULL; ASN1_CTX c; M_ASN1_New_Malloc(ret, POLICYINFO); ret->policyid = NULL; ret->qualifiers = NULL; return (ret); M_ASN1_New_Error(ASN1_F_POLICYINFO_NEW); } POLICYINFO *d2i_POLICYINFO(POLICYINFO **a, unsigned char **pp,long length) { M_ASN1_D2I_vars(a,POLICYINFO *,POLICYINFO_new); M_ASN1_D2I_Init(); M_ASN1_D2I_start_sequence(); M_ASN1_D2I_get(ret->policyid, d2i_ASN1_OBJECT); if(!M_ASN1_D2I_end_sequence()) { M_ASN1_D2I_get_seq_type (POLICYQUALINFO, ret->qualifiers, d2i_POLICYQUALINFO, POLICYQUALINFO_free); } M_ASN1_D2I_Finish(a, POLICYINFO_free, ASN1_F_D2I_POLICYINFO); } void POLICYINFO_free(POLICYINFO *a) { if (a == NULL) return; ASN1_OBJECT_free(a->policyid); sk_POLICYQUALINFO_pop_free(a->qualifiers, POLICYQUALINFO_free); Free (a); } static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent) { POLICYQUALINFO *qualinfo; int i; for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) { qualinfo = sk_POLICYQUALINFO_value(quals, i); switch(OBJ_obj2nid(qualinfo->pqualid)) { case NID_id_qt_cps: BIO_printf(out, "%*sCPS: %s\n", indent, "", qualinfo->d.cpsuri->data); break; case NID_id_qt_unotice: BIO_printf(out, "%*sUser Notice:\n", indent, ""); print_notice(out, qualinfo->d.usernotice, indent + 2); break; default: BIO_printf(out, "%*sUnknown Qualifier: ", indent + 2, ""); i2a_ASN1_OBJECT(out, qualinfo->pqualid); BIO_puts(out, "\n"); break; } } } static void print_notice(BIO *out, USERNOTICE *notice, int indent) { int i; if(notice->noticeref) { NOTICEREF *ref; ref = notice->noticeref; BIO_printf(out, "%*sOrganization: %s\n", indent, "", ref->organization->data); BIO_printf(out, "%*sNumber%s: ", indent, "", sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : ""); for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) { ASN1_INTEGER *num; char *tmp; num = sk_ASN1_INTEGER_value(ref->noticenos, i); if(i) BIO_puts(out, ", "); tmp = i2s_ASN1_INTEGER(NULL, num); BIO_puts(out, tmp); Free(tmp); } BIO_puts(out, "\n"); } if(notice->exptext) BIO_printf(out, "%*sExplicit Text: %s\n", indent, "", notice->exptext->data); } int i2d_POLICYQUALINFO(POLICYQUALINFO *a, unsigned char **pp) { M_ASN1_I2D_vars(a); M_ASN1_I2D_len (a->pqualid, i2d_ASN1_OBJECT); switch(OBJ_obj2nid(a->pqualid)) { case NID_id_qt_cps: M_ASN1_I2D_len(a->d.cpsuri, i2d_ASN1_IA5STRING); break; case NID_id_qt_unotice: M_ASN1_I2D_len(a->d.usernotice, i2d_USERNOTICE); break; default: M_ASN1_I2D_len(a->d.other, i2d_ASN1_TYPE); break; } M_ASN1_I2D_seq_total(); M_ASN1_I2D_put (a->pqualid, i2d_ASN1_OBJECT); switch(OBJ_obj2nid(a->pqualid)) { case NID_id_qt_cps: M_ASN1_I2D_put(a->d.cpsuri, i2d_ASN1_IA5STRING); break; case NID_id_qt_unotice: M_ASN1_I2D_put(a->d.usernotice, i2d_USERNOTICE); break; default: M_ASN1_I2D_put(a->d.other, i2d_ASN1_TYPE); break; } M_ASN1_I2D_finish(); } POLICYQUALINFO *POLICYQUALINFO_new(void) { POLICYQUALINFO *ret=NULL; ASN1_CTX c; M_ASN1_New_Malloc(ret, POLICYQUALINFO); ret->pqualid = NULL; ret->d.other = NULL; return (ret); M_ASN1_New_Error(ASN1_F_POLICYQUALINFO_NEW); } POLICYQUALINFO *d2i_POLICYQUALINFO(POLICYQUALINFO **a, unsigned char **pp, long length) { M_ASN1_D2I_vars(a,POLICYQUALINFO *,POLICYQUALINFO_new); M_ASN1_D2I_Init(); M_ASN1_D2I_start_sequence(); M_ASN1_D2I_get (ret->pqualid, d2i_ASN1_OBJECT); switch(OBJ_obj2nid(ret->pqualid)) { case NID_id_qt_cps: M_ASN1_D2I_get(ret->d.cpsuri, d2i_ASN1_IA5STRING); break; case NID_id_qt_unotice: M_ASN1_D2I_get(ret->d.usernotice, d2i_USERNOTICE); break; default: M_ASN1_D2I_get(ret->d.other, d2i_ASN1_TYPE); break; } M_ASN1_D2I_Finish(a, POLICYQUALINFO_free, ASN1_F_D2I_POLICYQUALINFO); } void POLICYQUALINFO_free(POLICYQUALINFO *a) { if (a == NULL) return; switch(OBJ_obj2nid(a->pqualid)) { case NID_id_qt_cps: M_ASN1_IA5STRING_free(a->d.cpsuri); break; case NID_id_qt_unotice: USERNOTICE_free(a->d.usernotice); break; default: ASN1_TYPE_free(a->d.other); break; } ASN1_OBJECT_free(a->pqualid); Free (a); } int i2d_USERNOTICE(USERNOTICE *a, unsigned char **pp) { M_ASN1_I2D_vars(a); M_ASN1_I2D_len (a->noticeref, i2d_NOTICEREF); M_ASN1_I2D_len (a->exptext, i2d_DISPLAYTEXT); M_ASN1_I2D_seq_total(); M_ASN1_I2D_put (a->noticeref, i2d_NOTICEREF); M_ASN1_I2D_put (a->exptext, i2d_DISPLAYTEXT); M_ASN1_I2D_finish(); } USERNOTICE *USERNOTICE_new(void) { USERNOTICE *ret=NULL; ASN1_CTX c; M_ASN1_New_Malloc(ret, USERNOTICE); ret->noticeref = NULL; ret->exptext = NULL; return (ret); M_ASN1_New_Error(ASN1_F_USERNOTICE_NEW); } USERNOTICE *d2i_USERNOTICE(USERNOTICE **a, unsigned char **pp,long length) { M_ASN1_D2I_vars(a,USERNOTICE *,USERNOTICE_new); M_ASN1_D2I_Init(); M_ASN1_D2I_start_sequence(); M_ASN1_D2I_get_opt(ret->noticeref, d2i_NOTICEREF, V_ASN1_SEQUENCE); if (!M_ASN1_D2I_end_sequence()) { M_ASN1_D2I_get(ret->exptext, d2i_DISPLAYTEXT); } M_ASN1_D2I_Finish(a, USERNOTICE_free, ASN1_F_D2I_USERNOTICE); } void USERNOTICE_free(USERNOTICE *a) { if (a == NULL) return; NOTICEREF_free(a->noticeref); M_DISPLAYTEXT_free(a->exptext); Free (a); } int i2d_NOTICEREF(NOTICEREF *a, unsigned char **pp) { M_ASN1_I2D_vars(a); M_ASN1_I2D_len (a->organization, i2d_DISPLAYTEXT); M_ASN1_I2D_len_SEQUENCE_type(ASN1_INTEGER, a->noticenos, i2d_ASN1_INTEGER); M_ASN1_I2D_seq_total(); M_ASN1_I2D_put (a->organization, i2d_DISPLAYTEXT); M_ASN1_I2D_put_SEQUENCE_type(ASN1_INTEGER, a->noticenos, i2d_ASN1_INTEGER); M_ASN1_I2D_finish(); } NOTICEREF *NOTICEREF_new(void) { NOTICEREF *ret=NULL; ASN1_CTX c; M_ASN1_New_Malloc(ret, NOTICEREF); ret->organization = NULL; ret->noticenos = NULL; return (ret); M_ASN1_New_Error(ASN1_F_NOTICEREF_NEW); } NOTICEREF *d2i_NOTICEREF(NOTICEREF **a, unsigned char **pp,long length) { M_ASN1_D2I_vars(a,NOTICEREF *,NOTICEREF_new); M_ASN1_D2I_Init(); M_ASN1_D2I_start_sequence(); /* This is to cope with some broken encodings that use IA5STRING for * the organization field */ M_ASN1_D2I_get_opt(ret->organization, d2i_ASN1_IA5STRING, V_ASN1_IA5STRING); if(!ret->organization) { M_ASN1_D2I_get(ret->organization, d2i_DISPLAYTEXT); } M_ASN1_D2I_get_seq_type(ASN1_INTEGER, ret->noticenos, d2i_ASN1_INTEGER, ASN1_STRING_free); M_ASN1_D2I_Finish(a, NOTICEREF_free, ASN1_F_D2I_NOTICEREF); } void NOTICEREF_free(NOTICEREF *a) { if (a == NULL) return; M_DISPLAYTEXT_free(a->organization); sk_ASN1_INTEGER_pop_free(a->noticenos, ASN1_STRING_free); Free (a); } IMPLEMENT_STACK_OF(POLICYQUALINFO) IMPLEMENT_ASN1_SET_OF(POLICYQUALINFO)