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164 lines
2.9 KiB
C
164 lines
2.9 KiB
C
/* $OpenBSD: common.c,v 1.5 2021/12/14 21:25:27 deraadt Exp $ */
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/*
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* Helpers for key API tests
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*
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* Placed in the public domain
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*/
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#include "includes.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef WITH_OPENSSL
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#include <openssl/bn.h>
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#include <openssl/rsa.h>
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#include <openssl/dsa.h>
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#include <openssl/objects.h>
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#ifdef OPENSSL_HAS_NISTP256
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# include <openssl/ec.h>
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#endif /* OPENSSL_HAS_NISTP256 */
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#endif /* WITH_OPENSSL */
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#include "openbsd-compat/openssl-compat.h"
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#include "../test_helper/test_helper.h"
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#include "ssherr.h"
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#include "authfile.h"
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#include "sshkey.h"
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#include "sshbuf.h"
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#include "common.h"
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struct sshbuf *
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load_file(const char *name)
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{
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struct sshbuf *ret = NULL;
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ASSERT_INT_EQ(sshbuf_load_file(test_data_file(name), &ret), 0);
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ASSERT_PTR_NE(ret, NULL);
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return ret;
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}
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struct sshbuf *
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load_text_file(const char *name)
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{
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struct sshbuf *ret = load_file(name);
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const u_char *p;
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/* Trim whitespace at EOL */
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for (p = sshbuf_ptr(ret); sshbuf_len(ret) > 0;) {
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if (p[sshbuf_len(ret) - 1] == '\r' ||
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p[sshbuf_len(ret) - 1] == '\t' ||
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p[sshbuf_len(ret) - 1] == ' ' ||
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p[sshbuf_len(ret) - 1] == '\n')
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ASSERT_INT_EQ(sshbuf_consume_end(ret, 1), 0);
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else
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break;
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}
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/* \0 terminate */
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ASSERT_INT_EQ(sshbuf_put_u8(ret, 0), 0);
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return ret;
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}
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#ifdef WITH_OPENSSL
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BIGNUM *
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load_bignum(const char *name)
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{
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BIGNUM *ret = NULL;
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struct sshbuf *buf;
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buf = load_text_file(name);
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ASSERT_INT_NE(BN_hex2bn(&ret, (const char *)sshbuf_ptr(buf)), 0);
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sshbuf_free(buf);
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return ret;
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}
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const BIGNUM *
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rsa_n(struct sshkey *k)
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{
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const BIGNUM *n = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->rsa, NULL);
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RSA_get0_key(k->rsa, &n, NULL, NULL);
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return n;
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}
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const BIGNUM *
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rsa_e(struct sshkey *k)
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{
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const BIGNUM *e = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->rsa, NULL);
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RSA_get0_key(k->rsa, NULL, &e, NULL);
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return e;
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}
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const BIGNUM *
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rsa_p(struct sshkey *k)
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{
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const BIGNUM *p = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->rsa, NULL);
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RSA_get0_factors(k->rsa, &p, NULL);
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return p;
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}
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const BIGNUM *
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rsa_q(struct sshkey *k)
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{
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const BIGNUM *q = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->rsa, NULL);
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RSA_get0_factors(k->rsa, NULL, &q);
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return q;
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}
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const BIGNUM *
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dsa_g(struct sshkey *k)
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{
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const BIGNUM *g = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->dsa, NULL);
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DSA_get0_pqg(k->dsa, NULL, NULL, &g);
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return g;
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}
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const BIGNUM *
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dsa_pub_key(struct sshkey *k)
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{
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const BIGNUM *pub_key = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->dsa, NULL);
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DSA_get0_key(k->dsa, &pub_key, NULL);
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return pub_key;
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}
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const BIGNUM *
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dsa_priv_key(struct sshkey *k)
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{
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const BIGNUM *priv_key = NULL;
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ASSERT_PTR_NE(k, NULL);
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ASSERT_PTR_NE(k->dsa, NULL);
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DSA_get0_key(k->dsa, NULL, &priv_key);
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return priv_key;
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}
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#endif /* WITH_OPENSSL */
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