apps.c

pkcs12格式文件的编解码软件

		if(!strncmp(arg, "file:", 5)) {
			pwdbio = BIO_new_file(arg + 5, "r");
			if(!pwdbio) {
				BIO_printf(err, "Can't open file %s\n", arg + 5);
				return NULL;
			}
		} else if(!strncmp(arg, "fd:", 3)) {
			BIO *btmp;
			i = atoi(arg + 3);
			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
			if((i < 0) || !pwdbio) {
				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
				return NULL;
			}
			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
			btmp = BIO_new(BIO_f_buffer());
			pwdbio = BIO_push(btmp, pwdbio);
		} else if(!strcmp(arg, "stdin")) {
			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
			if(!pwdbio) {
				BIO_printf(err, "Can't open BIO for stdin\n");
				return NULL;
			}
		} else {
			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
			return NULL;
		}
	}
	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
	if(keepbio != 1) {
		BIO_free_all(pwdbio);
		pwdbio = NULL;
	}
	if(i <= 0) {
		BIO_printf(err, "Error reading password from BIO\n");
		return NULL;
	}
	tmp = strchr(tpass, '\n');
	if(tmp) *tmp = 0;
	return BUF_strdup(tpass);
}

int add_oid_section(BIO *err, LHASH *conf)
{	
	char *p;
	STACK_OF(CONF_VALUE) *sktmp;
	CONF_VALUE *cnf;
	int i;
	if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
	if(!(sktmp = CONF_get_section(conf, p))) {
		BIO_printf(err, "problem loading oid section %s\n", p);
		return 0;
	}
	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
		cnf = sk_CONF_VALUE_value(sktmp, i);
		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
			BIO_printf(err, "problem creating object %s=%s\n",
							 cnf->name, cnf->value);
			return 0;
		}
	}
	return 1;
}

X509 *load_cert(BIO *err, char *file, int format)
	{
	ASN1_HEADER *ah=NULL;
	BUF_MEM *buf=NULL;
	X509 *x=NULL;
	BIO *cert;

	if ((cert=BIO_new(BIO_s_file())) == NULL)
		{
		ERR_print_errors(err);
		goto end;
		}

	if (file == NULL)
		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(cert,file) <= 0)
			{
			perror(file);
			goto end;
			}
		}

	if 	(format == FORMAT_ASN1)
		x=d2i_X509_bio(cert,NULL);
	else if (format == FORMAT_NETSCAPE)
		{
		unsigned char *p,*op;
		int size=0,i;

		/* We sort of have to do it this way because it is sort of nice
		 * to read the header first and check it, then
		 * try to read the certificate */
		buf=BUF_MEM_new();
		for (;;)
			{
			if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
				goto end;
			i=BIO_read(cert,&(buf->data[size]),1024*10);
			size+=i;
			if (i == 0) break;
			if (i < 0)
				{
				perror("reading certificate");
				goto end;
				}
			}
		p=(unsigned char *)buf->data;
		op=p;

		/* First load the header */
		if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
			goto end;
		if ((ah->header == NULL) || (ah->header->data == NULL) ||
			(strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
			ah->header->length) != 0))
			{
			BIO_printf(err,"Error reading header on certificate\n");
			goto end;
			}
		/* header is ok, so now read the object */
		p=op;
		ah->meth=X509_asn1_meth();
		if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
			goto end;
		x=(X509 *)ah->data;
		ah->data=NULL;
		}
	else if (format == FORMAT_PEM)
		x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
	else if (format == FORMAT_PKCS12)
		{
		PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);

		PKCS12_parse(p12, NULL, NULL, &x, NULL);
		PKCS12_free(p12);
		p12 = NULL;
		}
	else	{
		BIO_printf(err,"bad input format specified for input cert\n");
		goto end;
		}
end:
	if (x == NULL)
		{
		BIO_printf(err,"unable to load certificate\n");
		ERR_print_errors(err);
		}
	if (ah != NULL) ASN1_HEADER_free(ah);
	if (cert != NULL) BIO_free(cert);
	if (buf != NULL) BUF_MEM_free(buf);
	return(x);
	}

EVP_PKEY *load_key(BIO *err, char *file, int format, char *pass)
	{
	BIO *key=NULL;
	EVP_PKEY *pkey=NULL;

	if (file == NULL)
		{
		BIO_printf(err,"no keyfile specified\n");
		goto end;
		}
	key=BIO_new(BIO_s_file());
	if (key == NULL)
		{
		ERR_print_errors(err);
		goto end;
		}
	if (BIO_read_filename(key,file) <= 0)
		{
		perror(file);
		goto end;
		}
	if (format == FORMAT_ASN1)
		{
		pkey=d2i_PrivateKey_bio(key, NULL);
		}
	else if (format == FORMAT_PEM)
		{
		pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,pass);
		}
	else if (format == FORMAT_PKCS12)
		{
		PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);

		PKCS12_parse(p12, pass, &pkey, NULL, NULL);
		PKCS12_free(p12);
		p12 = NULL;
		}
	else
		{
		BIO_printf(err,"bad input format specified for key\n");
		goto end;
		}
 end:
	if (key != NULL) BIO_free(key);
	if (pkey == NULL)
		BIO_printf(err,"unable to load Private Key\n");
	return(pkey);
	}

EVP_PKEY *load_pubkey(BIO *err, char *file, int format)
	{
	BIO *key=NULL;
	EVP_PKEY *pkey=NULL;

	if (file == NULL)
		{
		BIO_printf(err,"no keyfile specified\n");
		goto end;
		}
	key=BIO_new(BIO_s_file());
	if (key == NULL)
		{
		ERR_print_errors(err);
		goto end;
		}
	if (BIO_read_filename(key,file) <= 0)
		{
		perror(file);
		goto end;
		}
	if (format == FORMAT_ASN1)
		{
		pkey=d2i_PUBKEY_bio(key, NULL);
		}
	else if (format == FORMAT_PEM)
		{
		pkey=PEM_read_bio_PUBKEY(key,NULL,NULL,NULL);
		}
	else
		{
		BIO_printf(err,"bad input format specified for key\n");
		goto end;
		}
 end:
	if (key != NULL) BIO_free(key);
	if (pkey == NULL)
		BIO_printf(err,"unable to load Public Key\n");
	return(pkey);
	}

STACK_OF(X509) *load_certs(BIO *err, char *file, int format)
	{
	BIO *certs;
	int i;
	STACK_OF(X509) *othercerts = NULL;
	STACK_OF(X509_INFO) *allcerts = NULL;
	X509_INFO *xi;

	if((certs = BIO_new(BIO_s_file())) == NULL)
		{
		ERR_print_errors(err);
		goto end;
		}

	if (file == NULL)
		BIO_set_fp(certs,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(certs,file) <= 0)
			{
			perror(file);
			goto end;
			}
		}

	if      (format == FORMAT_PEM)
		{
		othercerts = sk_X509_new_null();
		if(!othercerts)
			{
			sk_X509_free(othercerts);
			othercerts = NULL;
			goto end;
			}
		allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
		for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
			{
			xi = sk_X509_INFO_value (allcerts, i);
			if (xi->x509)
				{
				sk_X509_push(othercerts, xi->x509);
				xi->x509 = NULL;
				}
			}
		goto end;
		}
	else	{
		BIO_printf(err,"bad input format specified for input cert\n");
		goto end;
		}
end:
	if (othercerts == NULL)
		{
		BIO_printf(err,"unable to load certificates\n");
		ERR_print_errors(err);
		}
	if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
	if (certs != NULL) BIO_free(certs);
	return(othercerts);
	}

typedef struct {
	char *name;
	unsigned long flag;
	unsigned long mask;
} NAME_EX_TBL;

int set_name_ex(unsigned long *flags, const char *arg)
{
	char c;
	const NAME_EX_TBL *ptbl, ex_tbl[] = {
		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
		{ "dn_rev", XN_FLAG_DN_REV, 0},
		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
		{ "space_eq", XN_FLAG_SPC_EQ, 0},
		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
		{ NULL, 0, 0}
	};

	c = arg[0];

	if(c == '-') {
		c = 0;
		arg++;
	} else if (c == '+') {
		c = 1;
		arg++;
	} else c = 1;

	for(ptbl = ex_tbl; ptbl->name; ptbl++) {
		if(!strcmp(arg, ptbl->name)) {
			*flags &= ~ptbl->mask;
			if(c) *flags |= ptbl->flag;
			else *flags &= ~ptbl->flag;
			return 1;
		}
	}
	return 0;
}

void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
{
	char *buf;
	char mline = 0;
	int indent = 0;
	if(title) BIO_puts(out, title);
	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
		mline = 1;
		indent = 4;
	}
	if(lflags == XN_FLAG_COMPAT) {
		buf = X509_NAME_oneline(nm, 0, 0);
		BIO_puts(out, buf);
		BIO_puts(out, "\n");
		OPENSSL_free(buf);
	} else {
		if(mline) BIO_puts(out, "\n");
		X509_NAME_print_ex(out, nm, indent, lflags);
		BIO_puts(out, "\n");
	}
}