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use ifdef to prevent breaking core SSH code

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This commit is contained in:
lupo1977 2018-02-06 19:29:58 +01:00
parent 4ade05af67
commit 673b8a4a1b
1 changed files with 12 additions and 3 deletions
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15
ssh-keygen.c
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@ -1468,7 +1468,7 @@ do_change_comment(struct passwd *pw)
struct sshkey *public;
struct stat st;
FILE *f;
int r;
int r, fd;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
@ -1541,9 +1541,18 @@ do_change_comment(struct passwd *pw)
sshkey_free(private);
strlcat(identity_file, ".pub", sizeof(identity_file));
f = fopen(identity_file, "w");
if (f == NULL)
if ((fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644)) == -1)
fatal("Could not save your public key in %s: %s",
identity_file, strerror(errno));
#ifdef WINDOWS
/* Windows POSIX adpater does not support fdopen() on open(file)*/
close(fd);
if ((f = fopen(identity_file, "w")) == NULL)
fatal("fopen %s failed: %s", identity_file, strerror(errno));
#else /* !WINDOWS */
if ((f = fdopen(fd, "w")) == NULL)
fatal("fdopen %s failed: %s", identity_file, strerror(errno));
#endif /* !WINDOWS */
if ((r = sshkey_write(public, f)) != 0)
fatal("write key failed: %s", ssh_err(r));
sshkey_free(public);