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path: root/src/init/s6-linux-init-maker.c
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Diffstat (limited to 'src/init/s6-linux-init-maker.c')
-rw-r--r--src/init/s6-linux-init-maker.c444
1 files changed, 219 insertions, 225 deletions
diff --git a/src/init/s6-linux-init-maker.c b/src/init/s6-linux-init-maker.c
index 30866fe..48c95c6 100644
--- a/src/init/s6-linux-init-maker.c
+++ b/src/init/s6-linux-init-maker.c
@@ -16,11 +16,17 @@
#include <skalibs/sgetopt.h>
#include <skalibs/skamisc.h>
-#define USAGE "s6-linux-init-maker [ -c basedir ] [ -l tmpfsdir ] [ -b execline_bindir ] [ -u log_uid -g log_gid | -U ] [ -G early_getty_cmd ] [ -2 stage2_script ] [ -r ] [ -Z shutdownscript ] [ -p initial_path ] [ -m initial_umask ] [ -t timestamp_style ] [ -d dev_style ] [ -s env_store ] [ -e initial_envvar ... ] [ -n ] [ -q final_sleep_time ] dir"
+#include <s6/config.h>
+
+#include <s6-linux-init/config.h>
+#include "defaults.h"
+#include "initctl.h"
+
+#define USAGE "s6-linux-init-maker [ -c basedir ] [ -b execline_bindir ] [ -u log_uid -g log_gid | -U ] [ -G early_getty_cmd ] [ -r ] [ -L ] [ -p initial_path ] [ -m initial_umask ] [ -t timestamp_style ] [ -d slashdev ] [ -s env_store ] [ -e initial_envvar ... ] [ -q default_grace_time ] dir"
#define dieusage() strerr_dieusage(100, USAGE)
#define dienomem() strerr_diefu1sys(111, "stralloc_catb") ;
-#define BANNER "\n init created by s6-linux-init-maker\n see http://skarnet.org/software/s6-linux-init/\n\n"
+#define UNCAUGHT_DIR "uncaught-logs"
#define EXITCODENAME "file\\ created\\ by\\ s6-linux-init,\\ storing\\ a\\ container's\\ exit\\ code"
#define CRASH_SCRIPT \
@@ -28,248 +34,177 @@
"redirfd -w 1 /dev/console\n" \
"fdmove -c 2 1\n" \
"foreground { s6-echo -- " \
-"\"s6-svscan crashed. Dropping to an interactive shell.\" }\n" \
+"\"s6-svscan finished. Dropping to an interactive shell.\" }\n" \
"/bin/sh -i\n"
-static char const *slashrun = "/run" ;
-static char const *robase = "/etc/s6-linux-init" ;
-static char const *init_script = "/etc/rc.init" ;
-static char const *tini_script = "/etc/rc.shutdown" ;
-static char const *bindir = "/bin" ;
-static char const *initial_path = "/usr/bin:/usr/sbin:/bin:/sbin" ;
+static char const *robase = BASEDIR ;
+static char const *bindir = BINDIR ;
+static char const *initial_path = INITPATH ;
static char const *env_store = 0 ;
static char const *early_getty = 0 ;
+static char const *slashdev = 0 ;
static uid_t uncaught_logs_uid = 0 ;
static gid_t uncaught_logs_gid = 0 ;
-static unsigned int initial_umask = 022 ;
+static unsigned int initial_umask = 0022 ;
static unsigned int timestamp_style = 1 ;
-static unsigned int slashdev_style = 2 ;
-static unsigned int finalsleep = 2000 ;
+static unsigned int finalsleep = 3000 ;
static int redirect_stage2 = 0 ;
-static int in_namespace = 0 ;
+static int logouthookd = 0 ;
-typedef int writetobuf_func_t (buffer *) ;
+typedef int writetobuf_func_t (buffer *, void *) ;
typedef writetobuf_func_t *writetobuf_func_t_ref ;
-static int put_shebang (buffer *b)
+#define put_shebang(b) put_shebang_options((b), "-P")
+
+static int put_shebang_options (buffer *b, void *data)
{
+ char *options = data ;
return buffer_puts(b, "#!") >= 0
&& buffer_puts(b, bindir) >= 0
- && buffer_puts(b, "/execlineb -P\n\n") >= 0 ;
+ && buffer_puts(b, "/execlineb") >= 0
+ && (!options || !options[0] || buffer_puts(b, " ") >= 0)
+ && buffer_puts(b, options) >= 0
+ && buffer_puts(b, "\n\n") >= 0 ;
}
-static int early_getty_script (buffer *b)
+static int line_script (buffer *b, void *data)
{
+ char *line = data ;
return put_shebang(b)
- && buffer_puts(b, early_getty) >= 0
+ && buffer_puts(b, line) >= 0
&& buffer_put(b, "\n", 1) >= 0 ;
}
-static int crash_script (buffer *b)
+static int linewithargs_script (buffer *b, void *data)
+{
+ char *line = data ;
+ return put_shebang_options(b, "-S0")
+ && buffer_puts(b, line) >= 0
+ && buffer_puts(b, " $@\n") >= 0 ;
+}
+
+static int death_script (buffer *b, void *data)
{
+ char *s = data ;
return put_shebang(b)
- && buffer_puts(b, CRASH_SCRIPT) >= 0 ;
+ && buffer_puts(b,
+ "redirfd -r 0 /dev/console\n"
+ "redirfd -w 1 /dev/console\n"
+ "fdmove -c 2 1\n"
+ "foreground { s6-echo -- \"s6-svscan ") >= 0
+ && buffer_puts(b, s) >= 0
+ && buffer_puts(b,
+ ". Dropping to an interactive shell.\" }\n"
+ "/bin/sh -i\n") >= 0
}
-static int s6_svscan_log_script (buffer *b)
+static int s6_svscan_log_script (buffer *b, void *data)
{
- size_t sabase = satmp.len ;
char fmt[UINT64_FMT] ;
- if (!put_shebang(b)
- || buffer_puts(b,
+ (void)data ;
+ return put_shebang(b)
+ && buffer_puts(b,
"redirfd -w 2 /dev/console\n"
"redirfd -w 1 /dev/null\n"
- "redirfd -rnb 0 fifo\n"
- "s6-applyuidgid -u ") < 0
- || buffer_put(b, fmt, uid_fmt(fmt, uncaught_logs_uid)) < 0
- || buffer_puts(b, " -g ") < 0
- || buffer_put(b, fmt, gid_fmt(fmt, uncaught_logs_gid)) < 0
- || buffer_puts(b, " --\ns6-log -bp -- ") < 0
- || buffer_puts(b, timestamp_style & 1 ? "t " : "") < 0
- || buffer_puts(b, timestamp_style & 2 ? "T " : "") < 0) return 0 ;
- if (!string_quote(&satmp, slashrun, strlen(slashrun))) return 0 ;
- if (buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0)
- {
- satmp.len = sabase ;
- return 0 ;
- }
- satmp.len = sabase ;
- if (buffer_puts(b, "/uncaught-logs\n") < 0) return 0 ;
- return 1 ;
+ "redirfd -rnb 0 " LOGGER_FIFO "\n"
+ "s6-applyuidgid -u ") >= 0
+ && buffer_put(b, fmt, uid_fmt(fmt, uncaught_logs_uid)) >= 0
+ && buffer_puts(b, " -g ") >= 0
+ && buffer_put(b, fmt, gid_fmt(fmt, uncaught_logs_gid)) >= 0
+ && buffer_puts(b, " --\ns6-log -bpd3 -- ") >= 0
+ && buffer_puts(b, timestamp_style & 1 ? "t " : "") >= 0
+ && buffer_puts(b, timestamp_style & 2 ? "T " : "") >= 0
+ && buffer_puts(b, S6_LINUX_INIT_TMPFS "/" UNCAUGHT_DIR "\n") >= 0 ;
}
-static int finish_script (buffer *b)
+static int logouthookd_script (buffer *b, void *data)
{
- size_t sabase = satmp.len ;
- char fmt[UINT_FMT] ;
- fmt[uint_fmt(fmt, finalsleep)] = 0 ;
- if (buffer_puts(b, "#!") < 0
- || buffer_puts(b, bindir) < 0
- || buffer_puts(b, "/execlineb -S0\n\n") < 0
- || !string_quote(&satmp, slashrun, strlen(slashrun))) return 0 ;
-
- if (in_namespace)
- {
- if (buffer_puts(b, "ifelse { redirfd -w 2 /dev/null redirfd -r 0 ") < 0
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0
- || buffer_puts(b, "/" EXITCODENAME " exit 0 }\n{ redirfd -r 0 ") < 0
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0
- || buffer_puts(b, "/" EXITCODENAME " withstdinas -in CODE foreground { s6-rmrf ") < 0
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0
- || buffer_puts(b, "/" EXITCODENAME " } importas -ui CODE CODE exit ${CODE} }\n") < 0) goto err ;
- }
-
- if (buffer_puts(b, "cd /\nredirfd -w 2 /dev/console\nfdmove -c 1 2\nforeground { s6-svc -X -- ") < 0
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0) goto err ;
- satmp.len = sabase ;
- if (buffer_puts(b, "/service/s6-svscan-log }\n"
- "unexport ?\nwait -r -- { }\n"
- "foreground { s6-echo \"Syncing disks.\" }\n"
- "foreground { s6-sync }\n"
- "foreground { s6-echo \"Sending all processes the TERM signal.\" }\n"
- "foreground { s6-nuke -th }\n"
- "s6-sleep -m -- ") < 0
- || buffer_puts(b, fmt) < 0
- || buffer_puts(b, "\nforeground { s6-echo \"Sending all processes the KILL signal.\" }\n"
- "foreground { s6-nuke -k }\n"
- "wait { }\n"
- "foreground { s6-echo \"Unmounting disks.\" }\n"
- "foreground { s6-umount -a }\n"
- "foreground { s6-mount -ro remount /dev/root / }\n"
- "s6-${1} -f\n") < 0) return 0 ;
- return 1 ;
- err:
- satmp.len = sabase ;
- return 0 ;
+ (void)data ;
+ return put_shebang(b)
+ && buffer_puts(b,
+ S6_EXTBINPREFIX "s6-ipcserver -1 -l0 -- " LOGOUTHOOKD_SOCKET "\n"
+ S6_LINUX_INIT_BINPREFIX "s6-linux-init-logouthookd\n") >= 0 ;
}
-static int sig_script (buffer *b, char c)
+static int shutdownd_script (buffer *b, void *data)
{
size_t sabase = satmp.len ;
+ char fmt[UINT_FMT] ;
if (!put_shebang(b)
- || buffer_puts(b, "foreground { ") < 0
- || !string_quote(&satmp, tini_script, strlen(tini_script))) return 0 ;
- if (buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0) goto err ;
+ || buffer_puts(b, S6_LINUX_INIT_BINPREFIX "s6-linux-init-shutdownd -b ") < 0)
+ || !string_quote(&satmp, bindir, strlen(bindir))) return 0 ;
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
satmp.len = sabase ;
- if (buffer_puts(b, " }\ns6-svscanctl -") < 0
- || buffer_put(b, &c, 1) < 0
- || buffer_puts(b, " -- ") < 0
- || !string_quote(&satmp, slashrun, strlen(slashrun))) return 0 ;
- if (buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0) goto err ;
+ if (buffer_puts(b, " -c ") < 0
+ || !string_quote(&satmp, robase, strlen(robase))) return 0 ;
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
satmp.len = sabase ;
- if (buffer_puts(b, "/service\n") < 0) return 0 ;
+ if (buffer_puts(b, " -g ") < 0
+ || buffer_puts(b, fmt, uint_fmt(fmt, finalsleep)) < 0
+ || buffer_puts(b, "\n") < 0) return 0 ;
+ (void)data ;
return 1 ;
- err:
- satmp.len = sabase ;
- return 0 ;
-}
-static int onlyexit (buffer *b, char c)
-{
- size_t sabase = satmp.len ;
- if (!put_shebang(b)
- || buffer_puts(b, "foreground { redirfd -w 1 ") < 0
- || !string_quote(&satmp, slashrun, strlen(slashrun))
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0
- || buffer_puts(b, "/" EXITCODENAME " s6-echo -- ") < 0
- || buffer_put(b, &c, 1) < 0
- || buffer_puts(b, " }\ns6-svscanctl -b ") < 0
- || buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0
- || buffer_puts(b, "/service\n") < 0) goto err ;
- satmp.len = sabase ;
- return 1 ;
err:
satmp.len = sabase ;
- return 0 ;
-}
-
-static int sigterm_script (buffer *b)
-{
- return sig_script(b, 't') ;
-}
-
-static int sighup_script (buffer *b)
-{
- return in_namespace ? onlyexit(b, '0') : sig_script(b, 'h') ;
-}
-
-static int sigquit_script (buffer *b)
-{
- return sig_script(b, 'q') ;
+ return 0 ;
}
-static int sigint_script (buffer *b)
+static int sig_script (buffer *b, void *data)
{
- return in_namespace ? onlyexit(b, '1') : sig_script(b, '6') ;
-}
-
-static int sigusr1_script (buffer *b)
-{
- return sig_script(b, '7') ;
+ char *option = data ;
+ return put_shebang(b)
+ && buffer_puts(b, S6_LINUX_INIT_BINPREFIX "s6-linux-init-shutdown -a ") >= 0
+ && buffer_puts(b, option) >= 0
+ && buffer_puts(" -- now\n") >= 0 ;
}
-static int sigusr2_script (buffer *b)
+static int stage4_script (buffer *b, void *data)
{
- return sig_script(b, '0') ;
+ (void)data ;
}
static inline int stage1_script (buffer *b)
{
- size_t sabase = satmp.len, pos, pos2 ;
- char fmt[UINT_OFMT] ;
- if (!put_shebang(b)
- || buffer_puts(b, bindir) < 0
- || buffer_puts(b, "/export PATH ") < 0
- || !string_quote(&satmp, initial_path, strlen(initial_path))) return 0 ;
- if (buffer_put(b, satmp.s + sabase, satmp.len - sabase) < 0) goto err ;
- satmp.len = sabase ;
- if (buffer_put(b, "\n", 1) < 0
- || buffer_puts(b, bindir) < 0
- || buffer_puts(b, "/cd /\ns6-setsid -qb --\numask 0") < 0
- || buffer_put(b, fmt, uint_ofmt(fmt, initial_umask)) < 0
- || buffer_puts(b, "\nif { s6-echo -- ") < 0
- || !string_quote(&satmp, BANNER, sizeof(BANNER) - 1)) return 0 ;
- if (buffer_put(b, satmp.s, satmp.len) < 0) goto err ;
- satmp.len = sabase ;
- if (buffer_puts(b, " }\nif { s6-mount -nwt tmpfs -o mode=0755 tmpfs ") < 0
- || !string_quote(&satmp, slashrun, strlen(slashrun))) return 0 ;
- pos = satmp.len ;
- if (buffer_put(b, satmp.s + sabase, pos - sabase) < 0
- || buffer_puts(b, " }\nif { s6-hiercopy ") < 0
+ size_t sabase = satmp.len ;
+ if (!put_shebang_options(b, "-S0")
+ || buffer_puts(b, S6_LINUX_INIT_EXTBINPREFIX "s6-linux-init -c ") < 0
|| !string_quote(&satmp, robase, strlen(robase))) return 0 ;
- pos2 = satmp.len ;
- if (buffer_put(b, satmp.s + pos, pos2 - pos) < 0
- || buffer_puts(b, "/run-image ") < 0
- || buffer_put(b, satmp.s + sabase, pos - sabase) < 0
- || buffer_puts(b, " }\n") < 0) goto err ;
- if (slashdev_style == 1)
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
+ satmp.len = sabase ;
+ {
+ char fmt[UINT_OFMT] ;
+ if (buffer_puts(b, " -m 00") < 0
+ || buffer_put(b, fmt, uint_ofmt(fmt, initial_umask)) < 0) return 0 ;
+ }
+ if (redirect_stage2)
{
- if (buffer_puts(b, "if { s6-mount -nt devtmpfs dev /dev }\n") < 0) goto err ;
+ if (buffer_puts(b, " -r") < 0) return 0 ;
+ }
+ if (initial_path)
+ {
+ if (buffer_puts(b, " -p ") < 0
+ || !string_quote(&satmp, initial_path, strlen(initial_path))) return 0 ;
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
+ satmp.len = sabase ;
}
if (env_store)
{
- size_t base = satmp.len ;
- if (!string_quote(&satmp, env_store, strlen(env_store))) return 0 ;
- if (buffer_puts(b, "if { unexport PATH s6-dumpenv -- ") < 0
- || buffer_put(b, satmp.s + base, satmp.len - base) < 0
- || buffer_puts(b, " }\n") < 0) goto err ;
- satmp.len = base ;
+ if (buffer_puts(b, " -s ") < 0
+ || !string_quote(&satmp, env_store, strlen(env_store))) return 0 ;
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
+ satmp.len = sabase ;
+ }
+ if (slashdev)
+ {
+ if (buffer_puts(b, " -d ") < 0
+ || !string_quote(&satmp, slashdev, strlen(slashdev))) return 0 ;
+ if (buffer_puts(b, satmp.s + sabase) < 0) goto err ;
+ satmp.len = sabase ;
}
- if (buffer_puts(b, "emptyenv -p\ns6-envdir -I -- ") < 0
- || buffer_put(b, satmp.s + pos, pos2 - pos) < 0
- || buffer_puts(b, "/env\nredirfd -r 0 /dev/null\nredirfd -wnb 1 ") < 0
- || buffer_put(b, satmp.s + sabase, pos - sabase) < 0
- || buffer_puts(b, "/service/s6-svscan-log/fifo\nbackground\n{\n s6-setsid --\n redirfd -w 1 ") < 0
- || buffer_put(b, satmp.s + sabase, pos - sabase) < 0
- || buffer_puts(b, "/service/s6-svscan-log/fifo\n fdmove -c ") < 0
- || buffer_puts(b, redirect_stage2 ? "2 1" : "1 2") < 0
- || buffer_puts(b, "\n ") < 0
- || !string_quote(&satmp, init_script, strlen(init_script))
- || buffer_put(b, satmp.s + pos2, satmp.len - pos2) < 0
- || buffer_puts(b, "\n}\nunexport !\ncd ") < 0
- || buffer_put(b, satmp.s + sabase, pos - sabase) < 0
- || buffer_puts(b, "/service\nfdmove -c 2 1\ns6-svscan -st0\n") < 0) goto err ;
+ if (buffer_puts(b, "\n") < 0) return 0 ;
return 1 ;
+
err:
satmp.len = sabase ;
return 0 ;
@@ -307,13 +242,25 @@ static void auto_file (char const *base, char const *file, char const *s, unsign
fn[clen] = '/' ;
memcpy(fn + clen + 1, file, flen + 1) ;
if (!openwritenclose_unsafe(fn, s, n)
- || (executable && chmod(fn, 0755) < 0))
+ || chmod(fn, executable ? 0755 : 0644) == -1))
{
cleanup(base) ;
strerr_diefu2sys(111, "write to ", fn) ;
}
}
+static void auto_symlink (char const *base, char const *name, char const *target)
+{
+ size_t clen = strlen(base) ;
+ size_t dlen = strlen(name) ;
+ char fn[clen + dlen + 2] ;
+ memcpy(fn, base, clen) ;
+ fn[clen] = '/' ;
+ memcpy(fn + clen + 1, name, dlen + 1) ;
+ if (symlink(target, fn) == -1)
+ strerr_diefu4sys(111, "make a symlink named ", fn, " pointing to ", target) ;
+}
+
static void auto_fifo (char const *base, char const *fifo)
{
size_t baselen = strlen(base) ;
@@ -329,7 +276,7 @@ static void auto_fifo (char const *base, char const *fifo)
}
}
-static void auto_script (char const *base, char const *file, writetobuf_func_t_ref scriptf)
+static void auto_script (char const *base, char const *file, writetobuf_func_t_ref scriptf, void *data)
{
char buf[4096] ;
buffer b ;
@@ -347,25 +294,40 @@ static void auto_script (char const *base, char const *file, writetobuf_func_t_r
strerr_diefu3sys(111, "open ", fn, " for script writing") ;
}
buffer_init(&b, &fd_writev, fd, buf, 4096) ;
- if (!(*scriptf)(&b) || !buffer_flush(&b))
+ if (!(*scriptf)(&b, data) || !buffer_flush(&b))
{
cleanup(base) ;
strerr_diefu2sys(111, "write to ", fn) ;
}
- close(fd) ;
+ fd_close(fd) ;
}
-static inline void make_env (char const *base, char const *modif, size_t modiflen)
+static void auto_exec (char const *base, char const *name, char const *target)
{
- auto_dir(base, "env", 0, 0, 0755) ;
+ if (S6_LINUX_INIT_BINPREFIX[0] == '/')
+ {
+ size_t len = strlen(target) ;
+ char fn[sizeof(S6_LINUX_INIT_BINPREFIX) + len] = S6_LINUX_INIT_BINPREFIX ;
+ memcpy(fn + sizeof(S6_LINUX_INIT_BINPREFIX - 1, len + 1, target)) ;
+ auto_symlink(base, name, fn) ;
+ }
+ else
+ auto_script(base, name, &linewithargs_script, target) ;
+}
+
+static void make_env (char const *base, char const *envname, char const *modif, size_t modiflen)
+{
+ size_t envnamelen = strlen(envname) ;
+ auto_dir(base, envname, 0, 0, 0755) ;
while (modiflen)
{
size_t len = strlen(modif) ;
size_t pos = byte_chr(modif, len, '=') ;
- char fn[5 + pos] ;
- memcpy(fn, "env/", 4) ;
- memcpy(fn + 4, modif, pos) ;
- fn[4 + pos] = 0 ;
+ char fn[envnamelen + pos + 2] ;
+ memcpy(fn, envname, envnamelen) ;
+ fn[envnamelen] = '/' ;
+ memcpy(fn + envnamelen + 1, modif, pos) ;
+ fn[envnamelen + 1 + pos] = 0 ;
if (pos + 1 < len) auto_file(base, fn, modif + pos + 1, len - pos - 1, 0) ;
else if (pos + 1 == len) auto_file(base, fn, "\n", 1, 0) ;
@@ -377,41 +339,71 @@ static inline void make_env (char const *base, char const *modif, size_t modifle
static inline void make_image (char const *base)
{
auto_dir(base, "run-image", 0, 0, 0755) ;
- auto_dir(base, "run-image/uncaught-logs", uncaught_logs_uid, uncaught_logs_gid, 02700) ;
- auto_dir(base, "run-image/service", 0, 0, 0755) ;
- auto_dir(base, "run-image/service/.s6-svscan", 0, 0, 0755) ;
- auto_script(base, "run-image/service/.s6-svscan/crash", &crash_script) ;
- auto_script(base, "run-image/service/.s6-svscan/finish", &finish_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGTERM", &sigterm_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGHUP", &sighup_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGQUIT", &sigquit_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGINT", &sigint_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGUSR1", &sigusr1_script) ;
- auto_script(base, "run-image/service/.s6-svscan/SIGUSR2", &sigusr2_script) ;
- auto_dir(base, "run-image/service/s6-svscan-log", 0, 0, 0755) ;
- auto_fifo(base, "run-image/service/s6-svscan-log/fifo") ;
- auto_script(base, "run-image/service/s6-svscan-log/run", &s6_svscan_log_script) ;
+ auto_dir(base, "run-image/" UNCAUGHT_DIR, uncaught_logs_uid, uncaught_logs_gid, 02700) ;
+ auto_dir(base, "run-image/" SCANDIR, 0, 0, 0755) ;
+ auto_dir(base, "run-image/" SCANDIR "/.s6-svscan", 0, 0, 0755) ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/crash", &death_script, "crashed") ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/finish", &death_script, "exited") ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGTERM", &put_shebang_options, 0) ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGHUP", &put_shebang_options, 0) ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGQUIT", &put_shebang_options, 0) ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGINT", &sig_script, "-r") ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGUSR1", &sig_script, "-p") ;
+ auto_script(base, "run-image/" SCANDIR "/.s6-svscan/SIGUSR2", &sig_script, "-h") ;
+ auto_dir(base, "run-image/" SCANDIR "/" LOGGER_SERVICEDIR, 0, 0, 0755) ;
+ auto_fifo(base, "run-image/" SCANDIR "/" LOGGER_SERVICEDIR "/" LOGGER_FIFO) ;
+ auto_file(base, "run-image/" SCANDIR "/" LOGGER_SERVICEDIR "/notification-fd", "3\n", 2, 0) ;
+ auto_script(base, "run-image/" SCANDIR "/" LOGGER_SERVICEDIR "/run, &s6_svscan_log_script, 0) ;
+ auto_dir(base, "run-image/" SCANDIR "/" SHUTDOWND_SERVICEDIR, 0, 0, 0755) ;
+ auto_fifo(base, "run-image/" SCANDIR "/" SHUTDOWND_SERVICEDIR "/" SHUTDOWND_FIFO) ;
+ auto_script(base, "run-image/" SCANDIR "/" SHUTDOWND_SERVICEDIR "/run", &shutdownd_script, 0) ;
+ if (logouthookd)
+ {
+ auto_dir(base, "run-image/" SCANDIR "/" LOGOUTHOOKD_SERVICEDIR, 0, 0, 0755) ;
+ auto_file(base, "run-image/" SCANDIR "/" LOGOUTHOOKD_SERVICEDIR "/notification-fd", "1\n", 2, 0) ;
+ auto_script(base, "run-image/" SCANDIR "/" LOGOUTHOOKD_SERVICEDIR "/run", &logouthookd_script, 0) ;
+ }
if (early_getty)
{
- auto_dir(base, "run-image/service/s6-linux-init-early-getty", 0, 0, 0755) ;
- auto_script(base, "run-image/service/s6-linux-init-early-getty/run", &early_getty_script) ;
+ auto_dir(base, "run-image/" SCANDIR "/" EARLYGETTY_SERVICEDIR, 0, 0, 0755) ;
+ auto_script(base, "run-image/" SCANDIR "/" EARLYGETTY_SERVICEDIR "/run", &line_script, early_getty) ;
}
- auto_script(base, "init", &stage1_script) ;
+}
+
+static inline void make_scripts (char const *base)
+{
+ auto_dir(base, "scripts", 0, 0, 0755) ;
+ auto_script(base, "scripts/runlevel", &put_shebang_options, 0) ;
+ auto_script(base, "scripts/" STAGE2, &put_shebang_options, 0) ;
+ auto_script(base, "scripts/" STAGE3, &put_shebang_options, 0) ;
+}
+
+static inline void make_bins (char const *base)
+{
+ auto_dir(base, "bin", 0, 0, 0755) ;
+ auto_exec(base, "bin/halt", "s6-linux-init-halt") ;
+ auto_exec(base, "bin/reboot", "s6-linux-init-reboot") ;
+ auto_exec(base, "bin/poweroff", "s6-linux-init-poweroff") ;
+ auto_exec(base, "bin/shutdown", "s6-linux-init-shutdown") ;
+ auto_exec(base, "bin/telinit", "s6-linux-init-telinit") ;
+ auto_script(base, "bin/init", &stage1_script, 0) ;
+ auto_script(base, "bin/" STAGE4, &stage4_script, 0) ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
+ stralloc saenv1 = STRALLOC_ZERO ;
+ stralloc saenv2 = STRALLOC_ZERO ;
PROG = "s6-linux-init-maker" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
- int opt = subgetopt_r(argc, argv, "c:l:b:u:g:UG:2:rZ:p:m:t:d:s:e:nq:", &l) ;
+ int opt = subgetopt_r(argc, argv, "c:b:u:g:UG:rLp:m:t:d:s:e:E:q:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'c' : robase = l.arg ; break ;
- case 'l' : slashrun = l.arg ; break ;
case 'b' : bindir = l.arg ; break ;
case 'u' : if (!uint0_scan(l.arg, &uncaught_logs_uid)) dieusage() ; break ;
case 'g' : if (!uint0_scan(l.arg, &uncaught_logs_gid)) dieusage() ; break ;
@@ -425,16 +417,15 @@ int main (int argc, char const *const *argv, char const *const *envp)
if (!uint0_scan(x, &uncaught_logs_gid)) strerr_dieinvalid(100, "GID") ;
}
case 'G' : early_getty = l.arg ; break ;
- case '2' : init_script = l.arg ; break ;
case 'r' : redirect_stage2 = 1 ; break ;
- case 'Z' : tini_script = l.arg ; break ;
+ case 'L' : logouthookd = 1 ; break ;
case 'p' : initial_path = l.arg ; break ;
case 'm' : if (!uint0_oscan(l.arg, &initial_umask)) dieusage() ; break ;
case 't' : if (!uint0_scan(l.arg, &timestamp_style)) dieusage() ; break ;
- case 'd' : if (!uint0_scan(l.arg, &slashdev_style)) dieusage() ; break ;
+ case 'd' : slashdev = l.arg ; break ;
case 's' : env_store = l.arg ; break ;
- case 'e' : if (!stralloc_catb(&satmp, l.arg, strlen(l.arg) + 1)) dienomem() ; break ;
- case 'n' : in_namespace = 1 ; break ;
+ case 'e' : if (!stralloc_catb(&saenv1, l.arg, strlen(l.arg) + 1)) dienomem() ; break ;
+ case 'E' : if (!stralloc_catb(&saenv2, l.arg, strlen(l.arg) + 1)) dienomem() ; break ;
case 'q' : if (!uint0_scan(l.arg, &finalsleep)) dieusage() ; break ;
default : dieusage() ;
}
@@ -445,24 +436,27 @@ int main (int argc, char const *const *argv, char const *const *envp)
if (robase[0] != '/')
strerr_dief3x(100, "base directory ", robase, " is not absolute") ;
- if (slashrun[0] != '/')
- strerr_dief3x(100, "tmpfs directory ", slashrun, " is not absolute") ;
if (bindir[0] != '/')
strerr_dief3x(100, "initial location for binaries ", bindir, " is not absolute") ;
if (init_script[0] != '/')
strerr_dief3x(100, "stage 2 script location ", init_script, " is not absolute") ;
if (tini_script[0] != '/')
strerr_dief3x(100, "shutdown script location ", tini_script, " is not absolute") ;
+ if (slashdev && slashdev[0] != '/')
+ strerr_dief3x(100, "devtmpfs mounting location ", slashdev, " is not absolute") ;
if (timestamp_style > 3)
strerr_dief1x(100, "-t timestamp_style must be 0, 1, 2 or 3") ;
- if (slashdev_style > 2)
- strerr_dief1x(100, "-d dev_style must be 0, 1 or 2") ;
+ umask(0) ;
if (mkdir(argv[0], 0755) < 0)
strerr_diefu2sys(111, "mkdir ", argv[0]) ;
- make_env(argv[0], satmp.s, satmp.len) ;
- satmp.len = 0 ;
- make_image(argv[0]) ;
+ make_env(argv[0], ENVSTAGE2, saenv2.s, saenv2.len) ;
+ stralloc_free(&saenv2) ;
+ make_env(argv[0], ENVSTAGE1, saenv1.s, saenv1.len) ;
+ saenv1.len = 0 ;
+ make_image(argv[0], &saenv1) ;
+ make_scripts(argv[0]) ;
+ make_bins(argv[0]) ;
return 0 ;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 15:26:12 +0000