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Add limited tmpfiles.d(5) support

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This change adds very basic tmpfiles.d/ support to Finit.  Much of the
basic types are supported, but not all, so for now, please check the
code for details on what is working.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2023-02-28 00:48:25 +01:00
parent 6942e38413
commit a4af9ba248
22 changed files with 655 additions and 94 deletions
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plugins/bootmisc.c
+12 -66
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@@ -38,6 +38,7 @@
#include "finit.h"
#include "helpers.h"
#include "plugin.h"
#include "tmpfiles.h"
#include "util.h"
#include "utmp-api.h"
@@ -158,79 +159,24 @@ static void setup(void *arg)
prev = umask(0);
dbg("Setting up FHS structure in /var ...");
makedir("/var/cache", 0755);
makedir("/var/db", 0755); /* _PATH_VARDB on some systems */
makedir("/var/games", 0755);
makedir("/var/lib", 0755);
makedir("/var/lib/misc", 0755); /* _PATH_VARDB on some systems */
makedir("/var/lib/alarm", 0755);
makedir("/var/lib/urandom",0755);
if (fisdir("/run")) {
dbg("System with new /run tmpfs ...");
if (!fisdir("/run/lock"))
makedir("/run/lock", 01777);
ln("/run/lock", "/var/lock");
ln("/dev/shm", "/run/shm");
/* compat only, should really be set up by OS/dist */
ln("/run", "/var/run");
} else {
makedir("/var/lock", 01777);
makedir("/var/run", 0755);
}
makedir("/var/log", 0755);
makedir("/var/mail", 0755);
makedir("/var/opt", 0755);
makedir("/var/spool", 0755);
makedir("/var/spool/cron", 0755);
makedir("/var/tmp", 0755);
makedir("/var/empty", 0755);
/*
* UTMP actually needs multiple db files
* REQUIRED for compatibility with, e.g. _PATH_VARRUN!
* Should be set up by OS/dist, this is a fallback.
*/
if (has_utmp()) {
dbg("Setting up necessary UTMP files ...");
create("/var/run/utmp", 0644, "root", "utmp"); /* Currently logged in */
create("/var/log/wtmp", 0644, "root", "utmp"); /* Login history */
create("/var/log/btmp", 0600, "root", "utmp"); /* Failed logins */
create("/var/log/lastlog", 0644, "root", "utmp");
if (fismnt("/run")) {
rmdir("/var/run");
ln("../run", "/var/run");
}
/* Set BOOT_TIME UTMP entry */
utmp_set_boot();
dbg("Setting up misc files ...");
makedir("/var/run/network",0755); /* Needed by Debian/Ubuntu ifupdown */
makedir("/var/run/lldpd", 0755); /* Needed by lldpd */
makedir("/var/run/pluto", 0755); /* Needed by Openswan */
mksubsys("/var/run/dnsmasq", 0755, "nobody", "nobody");
mksubsys("/var/run/quagga", 0755, "quagga", "quagga");
mksubsys("/var/log/quagga", 0755, "quagga", "quagga");
mksubsys("/var/run/frr", 0755, "frr", "frr");
mksubsys("/var/log/frr", 0755, "frr", "frr");
makedir("/var/run/sshd", 01755); /* OpenSSH */
if (!fexist("/etc/mtab"))
ln("../proc/self/mounts", "/etc/mtab");
/* Void Linux has a uuidd that runs as uuid:uuid and needs /run/uuid */
mksubsys("/var/run/uuidd", 0755, "uuidd", "uuidd");
/* Debian has /run/sudo, ensure correct perms and SELinux label */
mksubsys("/var/run/sudo", 0711, "root", "root");
mksubsys("/var/run/sudo/ts", 0700, "root", "root");
if (whichp("restorecon"))
run("restorecon /var/run/sudo /var/run/sudo/ts", "restorecon");
/* XXX: temporary workaround pending new tmpfiles.so plugin */
mksubsys("/var/cache/nginx", 0755, "www-data", "www-data");
makedir("/var/run/clixon", 0755);
/* Kernel symlinks, e.g. /proc/self/fd -> /dev/fd */
kernel_links();
/* Create all system tmpfiles.d(5) */
tmpfilesd();
/* Set BOOT_TIME UTMP entry */
utmp_set_boot();
umask(prev);
}