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upstream: we have a sshkey_save_public() function to save public keys;

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use it and save a bunch of redundant code.

Patch from loic AT venez.fr; ok markus@ djm@

OpenBSD-Commit-ID: f93e030a0ebcd0fd9054ab30db501ec63454ea5f
This commit is contained in:
djm@openbsd.org 2020-05-02 07:19:43 +00:00 committed by Damien Miller
parent e9dc986372
commit d25d630d24
1 changed files with 18 additions and 49 deletions
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67
ssh-keygen.c
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@ -1,4 +1,4 @@
/* $OpenBSD: ssh-keygen.c,v 1.408 2020/05/01 04:23:11 djm Exp $ */
/* $OpenBSD: ssh-keygen.c,v 1.409 2020/05/02 07:19:43 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1057,7 +1057,6 @@ do_gen_all_hostkeys(struct passwd *pw)
struct sshkey *private, *public;
char comment[1024], *prv_tmp, *pub_tmp, *prv_file, *pub_file;
int i, type, fd, r;
FILE *f;
for (i = 0; key_types[i].key_type; i++) {
public = private = NULL;
@ -1095,11 +1094,11 @@ do_gen_all_hostkeys(struct passwd *pw)
fflush(stdout);
type = sshkey_type_from_name(key_types[i].key_type);
if ((fd = mkstemp(prv_tmp)) == -1) {
error("Could not save your public key in %s: %s",
error("Could not save your private key in %s: %s",
prv_tmp, strerror(errno));
goto failnext;
}
close(fd); /* just using mkstemp() to generate/reserve a name */
(void)close(fd); /* just using mkstemp() to reserve a name */
bits = 0;
type_bits_valid(type, NULL, &bits);
if ((r = sshkey_generate(type, bits, &private)) != 0) {
@ -1123,25 +1122,10 @@ do_gen_all_hostkeys(struct passwd *pw)
goto failnext;
}
(void)fchmod(fd, 0644);
f = fdopen(fd, "w");
if (f == NULL) {
error("fdopen %s failed: %s", pub_tmp, strerror(errno));
close(fd);
goto failnext;
}
if ((r = sshkey_write(public, f)) != 0) {
error("write key failed: %s", ssh_err(r));
fclose(f);
goto failnext;
}
fprintf(f, " %s\n", comment);
if (ferror(f) != 0) {
error("write key failed: %s", strerror(errno));
fclose(f);
goto failnext;
}
if (fclose(f) != 0) {
error("key close failed: %s", strerror(errno));
(void)close(fd);
if ((r = sshkey_save_public(public, pub_tmp, comment)) != 0) {
fatal("Unable to save public key to %s: %s",
identity_file, ssh_err(r));
goto failnext;
}
@ -1518,8 +1502,7 @@ do_change_comment(struct passwd *pw, const char *identity_comment)
struct sshkey *private;
struct sshkey *public;
struct stat st;
FILE *f;
int r, fd;
int r;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
@ -1598,18 +1581,11 @@ do_change_comment(struct passwd *pw, const char *identity_comment)
sshkey_free(private);
strlcat(identity_file, ".pub", sizeof(identity_file));
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1)
fatal("Could not save your public key in %s", identity_file);
f = fdopen(fd, "w");
if (f == NULL)
fatal("fdopen %s failed: %s", identity_file, strerror(errno));
if ((r = sshkey_write(public, f)) != 0)
fatal("write key failed: %s", ssh_err(r));
if ((r = sshkey_save_public(public, identity_file, new_comment)) != 0) {
fatal("Unable to save public key to %s: %s",
identity_file, ssh_err(r));
}
sshkey_free(public);
fprintf(f, " %s\n", new_comment);
fclose(f);
free(comment);
if (strlen(new_comment) > 0)
@ -1741,12 +1717,11 @@ do_ca_sign(struct passwd *pw, const char *ca_key_path, int prefer_agent,
unsigned long long cert_serial, int cert_serial_autoinc,
int argc, char **argv)
{
int r, i, fd, found, agent_fd = -1;
int r, i, found, agent_fd = -1;
u_int n;
struct sshkey *ca, *public;
char valid[64], *otmp, *tmp, *cp, *out, *comment;
char *ca_fp = NULL, **plist = NULL;
FILE *f;
struct ssh_identitylist *agent_ids;
size_t j;
struct notifier_ctx *notifier = NULL;
@ -1869,16 +1844,10 @@ do_ca_sign(struct passwd *pw, const char *ca_key_path, int prefer_agent,
xasprintf(&out, "%s-cert.pub", tmp);
free(tmp);
if ((fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1)
fatal("Could not open \"%s\" for writing: %s", out,
strerror(errno));
if ((f = fdopen(fd, "w")) == NULL)
fatal("%s: fdopen: %s", __func__, strerror(errno));
if ((r = sshkey_write(public, f)) != 0)
fatal("Could not write certified key to %s: %s",
out, ssh_err(r));
fprintf(f, " %s\n", comment);
fclose(f);
if ((r = sshkey_save_public(public, out, comment)) != 0) {
fatal("Unable to save public key to %s: %s",
identity_file, ssh_err(r));
}
if (!quiet) {
sshkey_format_cert_validity(public->cert,
@ -3680,7 +3649,7 @@ main(int argc, char **argv)
strlcat(identity_file, ".pub", sizeof(identity_file));
if ((r = sshkey_save_public(public, identity_file, comment)) != 0) {
fatal("Unable to save public key to %s: %s",
identity_file, strerror(errno));
identity_file, ssh_err(r));
}
if (!quiet) {