1 /* 2 * This work is licensed under the terms of the GNU GPL, version 2 or later. 3 * See the COPYING file in the top-level directory. 4 */ 5 6 #include "qemu/osdep.h" 7 #include "qapi/error.h" 8 #include "commands-common-ssh.h" 9 10 GStrv read_authkeys(const char *path, Error **errp) 11 { 12 g_autoptr(GError) err = NULL; 13 g_autofree char *contents = NULL; 14 15 if (!g_file_get_contents(path, &contents, NULL, &err)) { 16 error_setg(errp, "failed to read '%s': %s", path, err->message); 17 return NULL; 18 } 19 20 return g_strsplit(contents, "\n", -1); 21 } 22 23 bool check_openssh_pub_keys(strList *keys, size_t *nkeys, Error **errp) 24 { 25 size_t n = 0; 26 strList *k; 27 28 for (k = keys; k != NULL; k = k->next) { 29 if (!check_openssh_pub_key(k->value, errp)) { 30 return false; 31 } 32 n++; 33 } 34 35 if (nkeys) { 36 *nkeys = n; 37 } 38 return true; 39 } 40 41 bool check_openssh_pub_key(const char *key, Error **errp) 42 { 43 /* simple sanity-check, we may want more? */ 44 if (!key || key[0] == '#' || strchr(key, '\n')) { 45 error_setg(errp, "invalid OpenSSH public key: '%s'", key); 46 return false; 47 } 48 49 return true; 50 } 51