diff options
Diffstat (limited to 'src/init/s6-linux-init-maker.c')
| -rw-r--r-- | src/init/s6-linux-init-maker.c | 165 |
1 files changed, 82 insertions, 83 deletions
diff --git a/src/init/s6-linux-init-maker.c b/src/init/s6-linux-init-maker.c index fe890e9..c37b67c 100644 --- a/src/init/s6-linux-init-maker.c +++ b/src/init/s6-linux-init-maker.c @@ -170,6 +170,68 @@ static int sigusr2_script (buffer *b) return sig_script(b, '0') ; } +static inline int stage1_script (buffer *b) +{ + unsigned int 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, str_len(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, str_len(slashrun))) return 0 ; + pos = satmp.len ; + if (buffer_put(b, satmp.s + sabase, pos - sabase) < 0 + || buffer_puts(b, " }\nif { s6-hiercopy ") < 0 + || !string_quote(&satmp, robase, str_len(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, "if { s6-mount -nt devtmpfs dev /dev }\n") < 0) goto err ; + } + if (env_store) + { + unsigned int base = satmp.len ; + if (!string_quote(&satmp, env_store, str_len(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, "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, str_len(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 ; + return 1 ; + err: + satmp.len = sabase ; + return 0 ; +} + static void cleanup (char const *base) { int e = errno ; @@ -250,30 +312,6 @@ static void auto_script (char const *base, char const *file, writetobuf_func_t_r close(fd) ; } -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) ; - 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) ; - } -} - static inline void make_env (char const *base, char const *modif, unsigned int modiflen) { auto_dir(base, "env", 0, 0, 0755) ; @@ -293,66 +331,29 @@ static inline void make_env (char const *base, char const *modif, unsigned int m } } -static inline int make_init_script (buffer *b) +static inline void make_image (char const *base) { - unsigned int 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, str_len(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, str_len(slashrun))) return 0 ; - pos = satmp.len ; - if (buffer_put(b, satmp.s + sabase, pos - sabase) < 0 - || buffer_puts(b, " }\nif { s6-hiercopy ") < 0 - || !string_quote(&satmp, robase, str_len(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, "if { s6-mount -nt devtmpfs dev /dev }\n") < 0) goto err ; - } - if (env_store) + 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) ; + if (early_getty) { - unsigned int base = satmp.len ; - if (!string_quote(&satmp, env_store, str_len(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 ; + 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) ; } - 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, str_len(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 ; - return 1 ; - err: - satmp.len = sabase ; - return 0 ; + auto_script(base, "init", &stage1_script) ; } int main (int argc, char const *const *argv) @@ -425,7 +426,5 @@ int main (int argc, char const *const *argv) make_env(argv[0], satmp.s, satmp.len) ; satmp.len = 0 ; make_image(argv[0]) ; - if (!make_init_script(buffer_1) || !buffer_flush(buffer_1)) - strerr_diefu1sys(111, "write to stdout") ; return 0 ; } |