diff options
Diffstat (limited to 'lclipd.lua')
| -rwxr-xr-x | lclipd.lua | 67 |
1 files changed, 54 insertions, 13 deletions
@@ -76,9 +76,11 @@ local sql_insert = [=[ insert into lclipd(content,dateAdded) values('%s', unixepoch()); ]=] --- using a heredoc string without expansion bypasses the need for escaping +-- the shell command used to call detect-secrets. +-- we are using a heredoc string without expansion to bypass the +-- need for escaping. local detect_secrets_cmd = [=[ -detect-secrets scan %s --string <<- STR | grep True +%s scan %s --string <<- STR | grep True %s STR ]=] @@ -99,10 +101,24 @@ end local parser = argparse() parser:option("-s --hist_size", "number of distinct entries for clipboard history", 200) +parser:option("-e --detect_secrets_exe", + "the command used to call detect-secrets", "detect-secrets") parser:option("-d --detect_secrets_args", "options that will be passed to detect secrets", "") parser:option("-a --address", "address to bind to", "127.0.0.1") parser:option("-p --port", "port to bind to", 9999) +parser:option("-c --custom_clip_command", "custom clipboard read command", "") +parser:option("--x_clip_cmd", "the command used to get the X clipboard content", + "xsel -ob") +parser:option("--wayland_clip_cmd", + "the command used to get the wayland clipboard content", + "wl-paste") +parser:option("--tmux_clip_cmd", + "the command used to get the tmux paste-buffer content", + "tmux show-buffer") +parser:option("--db_path", + "path to the db location,currently :memory: and ''(empty) is not supported", + "/dev/shm/lclipd") --- Log the given string to syslog with the given priority. -- @param log_str the string passed to the logging facility @@ -190,7 +206,7 @@ end -- returns true if the string is not a secret -- @param clipboard_content the content that will be checked against detect-secrets -- @param detect_secrets_arg extra args that will be passed to detect-secrets scan -local function detect_secrets(clipboard_content, detect_secrets_args) +local function detect_secrets(clipboard_content, args) if clipboard_content == nil or clipboard_content == "" then return false end local pipe_read, pipe_write = unistd.pipe() if pipe_read == nil then @@ -209,8 +225,9 @@ local function detect_secrets(clipboard_content, detect_secrets_args) lclip_exit(1) elseif pid == 0 then -- child unistd.close(pipe_read) - local cmd = string.format(detect_secrets_cmd, detect_secrets_args, - clipboard_content) + local cmd = string.format(detect_secrets_cmd, + args["detect_secrets_exe"], + args["detect_secrets_args"], clipboard_content) local ret = os.execute(cmd) if ret == 0 then unistd.write(pipe_write, "0") @@ -235,7 +252,7 @@ local function detect_secrets(clipboard_content, detect_secrets_args) end --- Get the clipboard content from X or wayland. -local function get_clipboard_content() +local function get_clipboard_content(args) -- if we use a plain os.execute for clipnotify the parent wont get the -- SIGINT when it is passed.clipnotify will end up getting it. -- if we fork though, the parent receives the SIGINT just fine. @@ -255,7 +272,8 @@ local function get_clipboard_content() -- we dont care whether all the calls to the different clipboard apps -- succeed or not so we just ignore the errors. - local _, handle_x = pcall(io.popen, "xsel -ob") + -- X + local _, handle_x = pcall(io.popen, args["x_clip_cmd"]) if handle_x ~= nil then local last_clip_entry_x = handle_x:read("*a") handle_x:close() @@ -264,7 +282,8 @@ local function get_clipboard_content() end end - local _, handle_w = pcall(io.popen, "wl-paste") + -- wayland + local _, handle_w = pcall(io.popen, args["wayland_clip_cmd"]) if handle_w ~= nil then local last_clip_entry_w = handle_w:read("*a") handle_w:close() @@ -273,13 +292,35 @@ local function get_clipboard_content() end end + -- tmux + local _, handle_t = pcall(io.popen, args["tmux_clip_cmd"]) + if handle_t ~= nil then + local last_clip_entry_t = handle_t:read("*a") + handle_t:close() + if last_clip_entry_t ~= "" and last_clip_entry_t ~= nil then + return last_clip_entry_t + end + end + + -- custom + if args["custom_clip_command"] ~= "" then + local _, handle_c = pcall(io.popen, args["custom_clip_command"]) + if handle_c ~= nil then + local last_clip_entry_c = handle_c:read("*a") + handle_c:close() + if last_clip_entry_c ~= "" and last_clip_entry_c ~= nil then + return last_clip_entry_c + end + end + end + return nil end end --- Get the sqlite DB handle. -local function get_sqlite_handle() - local clipDB = sqlite3.open("/dev/shm/lclipd") +local function get_sqlite_handle(db_path) + local clipDB = sqlite3.open(db_path) if clipDB == nil then log_to_syslog("could not open the database", posix_syslog.LOG_CRIT) lclip_exit(1) @@ -405,7 +446,7 @@ local function clipboard_writer(args, sqlite_handle) elseif server_pid == 0 then local return_code while true do - local clip_content = get_clipboard_content() + local clip_content = get_clipboard_content(args) if clip_content == nil then goto continue end -- remove trailing/leading whitespace clip_content = string.gsub(clip_content, '^%s*(.-)%s*$', '%1') @@ -418,7 +459,7 @@ local function clipboard_writer(args, sqlite_handle) log_to_syslog(errmsg, posix_syslog.LOG_CRIT) lclip_exit(1) elseif cpid == 0 then -- child - if detect_secrets(clip_content, args["detect_secrets_args"]) then + if detect_secrets(clip_content, args) then return_code = sqlite_handle:exec(insert_string) if return_code ~= sqlite3.OK then log_to_syslog(tostring(return_code), @@ -439,7 +480,7 @@ end --- The clipboard's main loop -- @param args the cli args local function loop(args) - local sqlite_handle = get_sqlite_handle() + local sqlite_handle = get_sqlite_handle(args["db_path"]) -- create the table if it does not exist local return_code = sqlite_handle:exec(sql_create_table) |