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upstream: add sshkey_save_public(), to save a public key; ok 

markus@

OpenBSD-Commit-ID: 5d6f96a966d10d7fa689ff9aa9e1d6767ad5a076
This commit is contained in:
djm@openbsd.org 2020-01-02 22:38:33 +00:00 committed by Damien Miller
parent 3b1382ffd5
commit 878ba4350d
2 changed files with 35 additions and 2 deletions
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33
authfile.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: authfile.c,v 1.135 2019/09/03 08:30:47 djm Exp $ */
/* $OpenBSD: authfile.c,v 1.136 2020/01/02 22:38:33 djm Exp $ */
/*
* Copyright (c) 2000, 2013 Markus Friedl. All rights reserved.
*
@ -550,3 +550,34 @@ sshkey_advance_past_options(char **cpp)
return (*cp == '\0' && quoted) ? -1 : 0;
}
/* Save a public key */
int
sshkey_save_public(const struct sshkey *key, const char *path,
const char *comment)
{
int fd, oerrno;
FILE *f = NULL;
int r = SSH_ERR_INTERNAL_ERROR;
if ((fd = open(path, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1)
return SSH_ERR_SYSTEM_ERROR;
if ((f = fdopen(fd, "w")) == NULL) {
r = SSH_ERR_SYSTEM_ERROR;
goto fail;
}
if ((r = sshkey_write(key, f)) != 0)
goto fail;
fprintf(f, " %s\n", comment);
if (ferror(f) || fclose(f) != 0) {
r = SSH_ERR_SYSTEM_ERROR;
fail:
oerrno = errno;
if (f != NULL)
fclose(f);
else
close(fd);
errno = oerrno;
return r;
}
return 0;
}

4
authfile.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: authfile.h,v 1.23 2019/09/03 08:30:47 djm Exp $ */
/* $OpenBSD: authfile.h,v 1.24 2020/01/02 22:38:33 djm Exp $ */
/*
* Copyright (c) 2000, 2013 Markus Friedl. All rights reserved.
@ -49,5 +49,7 @@ int sshkey_perm_ok(int, const char *);
int sshkey_in_file(struct sshkey *, const char *, int, int);
int sshkey_check_revoked(struct sshkey *key, const char *revoked_keys_file);
int sshkey_advance_past_options(char **cpp);
int sshkey_save_public(const struct sshkey *key, const char *path,
const char *comment);
#endif