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

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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.
This commit is contained in:
Nicholas Marriott
2022-04-06 14:28:50 +01:00
parent 6e9a9d265e
commit d6306b634e
12 changed files with 445 additions and 14 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");