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 int process_pci_value(CONF_VALUE *val, ASN1_OBJECT **language, ASN1_INTEGER **pathlen, ASN1_OCTET_STRING **policy) { int free_policy = 0; if (strcmp(val->name, "language") == 0) { if (*language) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED); X509V3_conf_err(val); return 0; } if ((*language = OBJ_txt2obj(val->value, 0)) == NULL) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(val); return 0; } } else if (strcmp(val->name, "pathlen") == 0) { if (*pathlen) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED); X509V3_conf_err(val); return 0; } if (!X509V3_get_value_int(val, pathlen)) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, X509V3_R_POLICY_PATH_LENGTH); X509V3_conf_err(val); return 0; } } else if (strcmp(val->name, "policy") == 0) { unsigned char *tmp_data = NULL; long val_len; if (!*policy) { *policy = ASN1_OCTET_STRING_new(); if (*policy == NULL) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE); X509V3_conf_err(val); return 0; } free_policy = 1; } if (strncmp(val->value, "hex:", 4) == 0) { unsigned char *tmp_data2 = OPENSSL_hexstr2buf(val->value + 4, &val_len); if (!tmp_data2) { X509V3_conf_err(val); goto err; } tmp_data = OPENSSL_realloc((*policy)->data, (*policy)->length + val_len + 1); if (tmp_data) { (*policy)->data = tmp_data; memcpy(&(*policy)->data[(*policy)->length], tmp_data2, val_len); (*policy)->length += val_len; (*policy)->data[(*policy)->length] = '\0'; } else { OPENSSL_free(tmp_data2); /* * realloc failure implies the original data space is b0rked * too! */ OPENSSL_free((*policy)->data); (*policy)->data = NULL; (*policy)->length = 0; X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE); X509V3_conf_err(val); goto err; } OPENSSL_free(tmp_data2); } else if (strncmp(val->value, "file:", 5) == 0) { unsigned char buf[2048]; int n; BIO *b = BIO_new_file(val->value + 5, "r"); if (!b) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB); X509V3_conf_err(val); goto err; } while ((n = BIO_read(b, buf, sizeof(buf))) > 0 || (n == 0 && BIO_should_retry(b))) { if (!n) continue; tmp_data = OPENSSL_realloc((*policy)->data, (*policy)->length + n + 1); if (!tmp_data) { OPENSSL_free((*policy)->data); (*policy)->data = NULL; (*policy)->length = 0; X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE); X509V3_conf_err(val); BIO_free_all(b); goto err; } (*policy)->data = tmp_data; memcpy(&(*policy)->data[(*policy)->length], buf, n); (*policy)->length += n; (*policy)->data[(*policy)->length] = '\0'; } BIO_free_all(b); if (n < 0) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB); X509V3_conf_err(val); goto err; } } else if (strncmp(val->value, "text:", 5) == 0) { val_len = strlen(val->value + 5); tmp_data = OPENSSL_realloc((*policy)->data, (*policy)->length + val_len + 1); if (tmp_data) { (*policy)->data = tmp_data; memcpy(&(*policy)->data[(*policy)->length], val->value + 5, val_len); (*policy)->length += val_len; (*policy)->data[(*policy)->length] = '\0'; } else { /* * realloc failure implies the original data space is b0rked * too! */ OPENSSL_free((*policy)->data); (*policy)->data = NULL; (*policy)->length = 0; X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE); X509V3_conf_err(val); goto err; } } else { X509V3err(X509V3_F_PROCESS_PCI_VALUE, X509V3_R_INCORRECT_POLICY_SYNTAX_TAG); X509V3_conf_err(val); goto err; } if (!tmp_data) { X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE); X509V3_conf_err(val); goto err; } } return 1; err: if (free_policy) { ASN1_OCTET_STRING_free(*policy); *policy = NULL; } return 0; }
static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value) { PROXY_CERT_INFO_EXTENSION *pci = NULL; STACK_OF(CONF_VALUE) *vals; ASN1_OBJECT *language = NULL; ASN1_INTEGER *pathlen = NULL; ASN1_OCTET_STRING *policy = NULL; int i, j; vals = X509V3_parse_list(value); for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i); if (!cnf->name || (*cnf->name != '@' && !cnf->value)) { X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_PROXY_POLICY_SETTING); X509V3_conf_err(cnf); goto err; } if (*cnf->name == '@') { STACK_OF(CONF_VALUE) *sect; int success_p = 1; sect = X509V3_get_section(ctx, cnf->name + 1); if (!sect) { X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_SECTION); X509V3_conf_err(cnf); goto err; } for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++) { success_p = process_pci_value(sk_CONF_VALUE_value(sect, j), &language, &pathlen, &policy); } X509V3_section_free(ctx, sect); if (!success_p) goto err; } else { if (!process_pci_value(cnf, &language, &pathlen, &policy)) { X509V3_conf_err(cnf); goto err; } } } /* Language is mandatory */ if (!language) { X509V3err(X509V3_F_R2I_PCI, X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED); goto err; } i = OBJ_obj2nid(language); if ((i == NID_Independent || i == NID_id_ppl_inheritAll) && policy) { X509V3err(X509V3_F_R2I_PCI, X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY); goto err; } pci = PROXY_CERT_INFO_EXTENSION_new(); if (pci == NULL) { X509V3err(X509V3_F_R2I_PCI, ERR_R_MALLOC_FAILURE); goto err; } pci->proxyPolicy->policyLanguage = language; language = NULL; pci->proxyPolicy->policy = policy; policy = NULL; pci->pcPathLengthConstraint = pathlen; pathlen = NULL; goto end; err: ASN1_OBJECT_free(language); ASN1_INTEGER_free(pathlen); pathlen = NULL; ASN1_OCTET_STRING_free(policy); policy = NULL; PROXY_CERT_INFO_EXTENSION_free(pci); pci = NULL; end: sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); return pci; }