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knownhosts: Fix resource leak in ssh_session_update_known_hosts()

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CID 1391448

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-06-05 10:34:08 +02:00
parent 1001cbbb99
commit 34e7a3cf8c
1 changed files with 3 additions and 1 deletions
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4
src/knownhosts.c
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@@ -622,20 +622,22 @@ int ssh_session_update_known_hosts(ssh_session session)
rc = ssh_session_export_known_hosts_entry(session, &entry);
if (rc != SSH_OK) {
fclose(fp);
return rc;
}
len = strlen(entry);
nwritten = fwrite(entry, sizeof(char), len, fp);
SAFE_FREE(entry);
fclose(fp);
if (nwritten != len || ferror(fp)) {
ssh_set_error(session, SSH_FATAL,
"Couldn't append to known_hosts file %s: %s",
session->opts.knownhosts, strerror(errno));
fclose(fp);
return SSH_ERROR;
}
fclose(fp);
return SSH_OK;
}