From c573dcfeb1abd390cd4c4288056df97752ef18f0 Mon Sep 17 00:00:00 2001 From: Evgeny Vereshchagin Date: Tue, 3 Nov 2015 14:09:03 +0300 Subject: proc-cmdline: add runlevel to target mapping --- src/basic/proc-cmdline.c | 29 +++++++++++++++++++++++++++++ src/basic/proc-cmdline.h | 1 + src/test/test-util.c | 8 ++++++++ 3 files changed, 38 insertions(+) (limited to 'src') diff --git a/src/basic/proc-cmdline.c b/src/basic/proc-cmdline.c index dd91ce7dbc..f9f98af473 100644 --- a/src/basic/proc-cmdline.c +++ b/src/basic/proc-cmdline.c @@ -26,6 +26,7 @@ #include "parse-util.h" #include "proc-cmdline.h" #include "process-util.h" +#include "special.h" #include "string-util.h" #include "util.h" #include "virt.h" @@ -143,3 +144,31 @@ int shall_restore_state(void) { return parse_boolean(value) != 0; } + +static const char * const rlmap[] = { + "emergency", SPECIAL_EMERGENCY_TARGET, + "-b", SPECIAL_EMERGENCY_TARGET, + "rescue", SPECIAL_RESCUE_TARGET, + "single", SPECIAL_RESCUE_TARGET, + "-s", SPECIAL_RESCUE_TARGET, + "s", SPECIAL_RESCUE_TARGET, + "S", SPECIAL_RESCUE_TARGET, + "1", SPECIAL_RESCUE_TARGET, + "2", SPECIAL_MULTI_USER_TARGET, + "3", SPECIAL_MULTI_USER_TARGET, + "4", SPECIAL_MULTI_USER_TARGET, + "5", SPECIAL_GRAPHICAL_TARGET, +}; + +const char* runlevel_to_target(const char *word) { + size_t i; + + if (!word) + return NULL; + + for (i = 0; i < ELEMENTSOF(rlmap); i += 2) + if (streq(word, rlmap[i])) + return rlmap[i+1]; + + return NULL; +} diff --git a/src/basic/proc-cmdline.h b/src/basic/proc-cmdline.h index ea8277b053..ce6e84995a 100644 --- a/src/basic/proc-cmdline.h +++ b/src/basic/proc-cmdline.h @@ -26,3 +26,4 @@ int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value)); int get_proc_cmdline_key(const char *parameter, char **value); int shall_restore_state(void); +const char* runlevel_to_target(const char *rl); diff --git a/src/test/test-util.c b/src/test/test-util.c index 647df4f5c3..f6ed55878c 100644 --- a/src/test/test-util.c +++ b/src/test/test-util.c @@ -48,6 +48,7 @@ #include "process-util.h" #include "rm-rf.h" #include "signal-util.h" +#include "special.h" #include "stat-util.h" #include "string-util.h" #include "strv.h" @@ -1638,6 +1639,12 @@ cleanup: assert_se(rmdir(t) >= 0); } +static void test_runlevel_to_target(void) { + assert_se(streq_ptr(runlevel_to_target(NULL), NULL)); + assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL)); + assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET)); +} + int main(int argc, char *argv[]) { log_parse_environment(); log_open(); @@ -1718,6 +1725,7 @@ int main(int argc, char *argv[]) { test_tempfn(); test_strcmp_ptr(); test_fgetxattrat_fake(); + test_runlevel_to_target(); return 0; } -- cgit v1.2.3-54-g00ecf From e2c9a13136cdf71b97a4e26b285ca2c3ba96db66 Mon Sep 17 00:00:00 2001 From: Evgeny Vereshchagin Date: Tue, 3 Nov 2015 14:24:52 +0300 Subject: core: use runlevel_to_target for /proc/cmdline parsing --- src/core/main.c | 22 ++++------------------ 1 file changed, 4 insertions(+), 18 deletions(-) (limited to 'src') diff --git a/src/core/main.c b/src/core/main.c index 593b974566..299ff7cee6 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -301,20 +301,6 @@ static int parse_crash_chvt(const char *value) { static int parse_proc_cmdline_item(const char *key, const char *value) { - static const char * const rlmap[] = { - "emergency", SPECIAL_EMERGENCY_TARGET, - "-b", SPECIAL_EMERGENCY_TARGET, - "rescue", SPECIAL_RESCUE_TARGET, - "single", SPECIAL_RESCUE_TARGET, - "-s", SPECIAL_RESCUE_TARGET, - "s", SPECIAL_RESCUE_TARGET, - "S", SPECIAL_RESCUE_TARGET, - "1", SPECIAL_RESCUE_TARGET, - "2", SPECIAL_MULTI_USER_TARGET, - "3", SPECIAL_MULTI_USER_TARGET, - "4", SPECIAL_MULTI_USER_TARGET, - "5", SPECIAL_GRAPHICAL_TARGET, - }; int r; assert(key); @@ -415,12 +401,12 @@ static int parse_proc_cmdline_item(const char *key, const char *value) { log_set_target(LOG_TARGET_CONSOLE); } else if (!in_initrd() && !value) { - unsigned i; + const char *target; /* SysV compatibility */ - for (i = 0; i < ELEMENTSOF(rlmap); i += 2) - if (streq(key, rlmap[i])) - return free_and_strdup(&arg_default_unit, rlmap[i+1]); + target = runlevel_to_target(key); + if (target) + return free_and_strdup(&arg_default_unit, target); } return 0; -- cgit v1.2.3-54-g00ecf From 7dcc56715d150ff7e8b5459877879430cff790f7 Mon Sep 17 00:00:00 2001 From: Evgeny Vereshchagin Date: Tue, 3 Nov 2015 14:45:56 +0300 Subject: debug-generator: respect kernel parameters for default unit setting --- src/debug-generator/debug-generator.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c index e16c3b9453..413cfd0388 100644 --- a/src/debug-generator/debug-generator.c +++ b/src/debug-generator/debug-generator.c @@ -23,11 +23,13 @@ #include "mkdir.h" #include "parse-util.h" #include "proc-cmdline.h" +#include "special.h" #include "string-util.h" #include "strv.h" #include "unit-name.h" #include "util.h" +static char *arg_default_unit = NULL; static const char *arg_dest = "/tmp"; static char **arg_mask = NULL; static char **arg_wants = NULL; @@ -80,6 +82,24 @@ static int parse_proc_cmdline_item(const char *key, const char *value) { arg_debug_shell = r; } else arg_debug_shell = true; + } else if (streq(key, "systemd.unit")) { + + if (!value) + log_error("Missing argument for systemd.unit= kernel command line parameter."); + else { + r = free_and_strdup(&arg_default_unit, value); + if (r < 0) + return log_error_errno(r, "Failed to set default unit %s: %m", value); + } + } else if (!value) { + const char *target; + + target = runlevel_to_target(key); + if (target) { + r = free_and_strdup(&arg_default_unit, target); + if (r < 0) + return log_error_errno(r, "Failed to set default unit %s: %m", target); + } } return 0; @@ -118,7 +138,7 @@ static int generate_wants_symlinks(void) { STRV_FOREACH(u, arg_wants) { _cleanup_free_ char *p = NULL, *f = NULL; - p = strjoin(arg_dest, "/default.target.wants/", *u, NULL); + p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL); if (!p) return log_oom(); @@ -154,6 +174,12 @@ int main(int argc, char *argv[]) { umask(0022); + r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); + if (r < 0) { + log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET); + goto finish; + } + r = parse_proc_cmdline(parse_proc_cmdline_item); if (r < 0) log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); -- cgit v1.2.3-54-g00ecf