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qemu/qga/commands-common-ssh.c

51 lines
1.1 KiB
C

/*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "commands-common-ssh.h"
GStrv read_authkeys(const char *path, Error **errp)
{
g_autoptr(GError) err = NULL;
g_autofree char *contents = NULL;
if (!g_file_get_contents(path, &contents, NULL, &err)) {
error_setg(errp, "failed to read '%s': %s", path, err->message);
return NULL;
}
return g_strsplit(contents, "\n", -1);
}
bool check_openssh_pub_keys(strList *keys, size_t *nkeys, Error **errp)
{
size_t n = 0;
strList *k;
for (k = keys; k != NULL; k = k->next) {
if (!check_openssh_pub_key(k->value, errp)) {
return false;
}
n++;
}
if (nkeys) {
*nkeys = n;
}
return true;
}
bool check_openssh_pub_key(const char *key, Error **errp)
{
/* simple sanity-check, we may want more? */
if (!key || key[0] == '#' || strchr(key, '\n')) {
error_setg(errp, "invalid OpenSSH public key: '%s'", key);
return false;
}
return true;
}