| 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 | } |