diff options
Diffstat (limited to 'discover/grub2/builtins.c')
| -rw-r--r-- | discover/grub2/builtins.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/discover/grub2/builtins.c b/discover/grub2/builtins.c index c726216..ab1407a 100644 --- a/discover/grub2/builtins.c +++ b/discover/grub2/builtins.c @@ -401,6 +401,51 @@ static int builtin_test(struct grub2_script *script, return rc ? 0 : 1; } +static int builtin_source(struct grub2_script *script, + void *data __attribute__((unused)), + int argc, char *argv[]) +{ + struct grub2_statements *statements; + struct discover_device *dev; + const char *filename; + char *path, *buf; + int rc, len; + + if (argc != 2) + return false; + + /* limit script recursion */ + if (script->include_depth >= 10) + return false; + + rc = parse_to_device_path(script, argv[1], &dev, &path); + if (rc) + return false; + + rc = parser_request_file(script->ctx, dev, path, &buf, &len); + if (rc) + return false; + + /* save current script state */ + statements = script->statements; + filename = script->filename; + script->include_depth++; + + rc = grub2_parser_parse(script->parser, argv[1], buf, len); + + if (!rc) + statements_execute(script, script->statements); + + talloc_free(script->statements); + + /* restore state */ + script->statements = statements; + script->filename = filename; + script->include_depth--; + + return !rc; +} + static int builtin_true(struct grub2_script *script __attribute__((unused)), void *data __attribute__((unused)), int argc __attribute__((unused)), @@ -491,7 +536,11 @@ static struct { { .name = "blscfg", .fn = builtin_blscfg, - } + }, + { + .name = "source", + .fn = builtin_source, + }, }; static const char *nops[] = { |
