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Add an ACL list for users connecting to the tmux socket. Users may be

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forbidden from attaching, forced to attach read-only, or allowed to
attach read-write. A new command, server-access, configures the list.
tmux gets the user using getpeereid(3) of the client socket. Users must
still configure file system permissions manually. From Dallas Lyons and
others.
This commit is contained in:
nicm
2022-05-30 12:48:57 +00:00
parent d4423dca19
commit cd692b5a68
8 changed files with 211 additions and 6 deletions
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3
cmd-attach-session.c
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@ -43,7 +43,7 @@ const struct cmd_entry cmd_attach_session_entry = {
/* -t is special */
.flags = CMD_STARTSERVER,
.flags = CMD_STARTSERVER|CMD_READONLY,
.exec = cmd_attach_session_exec
};
@ -69,6 +69,7 @@ cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
if (c == NULL)
return (CMD_RETURN_NORMAL);
if (server_client_check_nested(c)) {
cmdq_error(item, "sessions should be nested with care, "
"unset $TMUX to force");