diff options
Diffstat (limited to 'lclipd.lua')
| -rwxr-xr-x | lclipd.lua | 26 |
1 files changed, 21 insertions, 5 deletions
@@ -77,12 +77,12 @@ insert into lclipd(content,dateAdded) values('%s', unixepoch()); ]=] -- the shell command used to call detect-secrets. --- we are using a heredoc string without expansion to bypass the +-- we are using a quoted heredoc string without expansion to bypass the -- need for escaping. local detect_secrets_cmd = [=[ -%s scan %s --string <<- STR | grep True +%s scan %s --string <<- '%s' | grep True +%s %s -STR ]=] local tmp_dir = "/tmp/lclipd" @@ -202,6 +202,14 @@ local function write_pid_file() wrote_a_pidfile = true end +--- generates a random string +-- @param n the length of the random string +local function get_random_str(n) + local result = "" + for _ = 1, n do result = result .. string.char(math.random(65, 65 + 25)) end + return result +end + --- Runs secret detection tests -- returns true if the string is not a secret -- @param clipboard_content the content that will be checked against detect-secrets @@ -225,11 +233,19 @@ local function detect_secrets(clipboard_content, args) lclip_exit(1) elseif pid == 0 then -- child unistd.close(pipe_read) + -- we need to use a random string that changes every time for + -- the heredoc name so that we dont run the risk of having the name + -- of the heredoc appear in the clipboard content. + -- we need to change the name every time to not end up with a + -- heredoc-ception scenario. + local random_str = get_random_str(15) local cmd = string.format(detect_secrets_cmd, args["detect_secrets_exe"], - args["detect_secrets_args"], clipboard_content) + args["detect_secrets_args"], random_str, + clipboard_content, random_str) + -- returns true or nil local ret = os.execute(cmd) - if ret == 0 then + if ret then unistd.write(pipe_write, "0") else unistd.write(pipe_write, "1") |