getoptify and simply the code even more.
This commit is contained in:
Roy Marples
parent
874bee1338
commit
9072ce748f
261
src/rc-update.c
261
src/rc-update.c
@ -8,6 +8,7 @@
|
||||
#define APPLET "rc-update"
|
||||
|
||||
#include <errno.h>
|
||||
#include <getopt.h>
|
||||
#include <limits.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
@ -23,45 +24,17 @@
|
||||
|
||||
static char *applet = NULL;
|
||||
|
||||
static void usage (void )
|
||||
{
|
||||
printf (
|
||||
"usage: %s -a|add script runlevel1 [runlevel2 ...]\n"
|
||||
" %s -d|del script [runlevel1 ...]\n"
|
||||
" %s -s|show [-v|--verbose] [runlevel1 ...]\n"
|
||||
" %s -h|help\n"
|
||||
"\n"
|
||||
"examples:\n"
|
||||
" # %s add net.eth0 default\n"
|
||||
" Adds the net.eth0 script (in /etc/init.d) to the `default' runlevel.\n"
|
||||
"\n"
|
||||
" # %s del sysklogd\n"
|
||||
" Deletes the sysklogd script from all runlevels. The original script\n"
|
||||
" is not deleted, just any symlinks to the script in /etc/runlevels/*.\n"
|
||||
"\n"
|
||||
" # %s del net.eth2 default wumpus\n"
|
||||
" Delete the net.eth2 script from the default and wumpus runlevels.\n"
|
||||
" All other runlevels are unaffected. Again, the net.eth2 script\n"
|
||||
" residing in /etc/init.d is not deleted, just any symlinks in\n"
|
||||
" /etc/runlevels/default and /etc/runlevels/wumpus.\n"
|
||||
"\n"
|
||||
" # %s show\n"
|
||||
" Show all enabled scripts and list at which runlevels they will\n"
|
||||
" execute. Run with --verbose to see all available scripts.\n",
|
||||
applet, applet, applet, applet, applet, applet, applet, applet);
|
||||
}
|
||||
|
||||
static bool add (const char *runlevel, const char *service)
|
||||
{
|
||||
bool retval = false;
|
||||
|
||||
if (! rc_service_exists (service))
|
||||
eerror ("service `%s' does not exist", service);
|
||||
eerror ("%s: service `%s' does not exist", applet, service);
|
||||
else if (! rc_runlevel_exists (runlevel))
|
||||
eerror ("runlevel `%s' does not exist", runlevel);
|
||||
eerror ("%s: runlevel `%s' does not exist", applet, runlevel);
|
||||
else if (rc_service_in_runlevel (service, runlevel)) {
|
||||
ewarn ("%s already installed in runlevel `%s'; skipping",
|
||||
service, runlevel);
|
||||
ewarn ("%s: %s already installed in runlevel `%s'; skipping",
|
||||
applet, service, runlevel);
|
||||
retval = true;
|
||||
} else if (rc_service_add (runlevel, service)) {
|
||||
einfo ("%s added to runlevel %s", service, runlevel);
|
||||
@ -85,112 +58,166 @@ static bool delete (const char *runlevel, const char *service)
|
||||
eerror ("%s: failed to remove service `%s' from runlevel `%s': %s",
|
||||
applet, service, runlevel, strerror (errno));
|
||||
} else if (! rc_service_exists (service))
|
||||
eerror ("service `%s' does not exist", service);
|
||||
eerror ("%s: service `%s' does not exist", applet, service);
|
||||
else if (! rc_runlevel_exists (runlevel))
|
||||
eerror ("runlevel `%s' does not exist", runlevel);
|
||||
eerror ("%s: runlevel `%s' does not exist", applet, runlevel);
|
||||
else
|
||||
retval = true;
|
||||
return (retval);
|
||||
}
|
||||
|
||||
static void show (char **runlevels, bool verbose)
|
||||
{
|
||||
char *service;
|
||||
char **services = rc_services_in_runlevel (NULL);
|
||||
char *runlevel;
|
||||
int i;
|
||||
int j;
|
||||
|
||||
STRLIST_FOREACH (services, service, i) {
|
||||
char **in = NULL;
|
||||
bool inone = false;
|
||||
|
||||
STRLIST_FOREACH (runlevels, runlevel, j) {
|
||||
if (rc_service_in_runlevel (service, runlevel)) {
|
||||
in = rc_strlist_add (in, runlevel);
|
||||
inone = true;
|
||||
} else {
|
||||
char buffer[PATH_MAX];
|
||||
memset (buffer, ' ', strlen (runlevel));
|
||||
buffer[strlen (runlevel)] = 0;
|
||||
in = rc_strlist_add (in, buffer);
|
||||
}
|
||||
}
|
||||
|
||||
if (! inone && ! verbose)
|
||||
continue;
|
||||
|
||||
printf (" %20s |", service);
|
||||
STRLIST_FOREACH (in, runlevel, j)
|
||||
printf (" %s", runlevel);
|
||||
printf ("\n");
|
||||
rc_strlist_free (in);
|
||||
}
|
||||
|
||||
rc_strlist_free (services);
|
||||
}
|
||||
|
||||
#include "_usage.h"
|
||||
#define getoptstring "adsv" getoptstring_COMMON
|
||||
static struct option longopts[] = {
|
||||
{ "add", 0, NULL, 'a'},
|
||||
{ "delete", 0, NULL, 'd'},
|
||||
{ "show", 0, NULL, 's'},
|
||||
{ "verbose", 0, NULL, 'v'},
|
||||
longopts_COMMON
|
||||
{ NULL, 0, NULL, 0}
|
||||
};
|
||||
#include "_usage.c"
|
||||
|
||||
#define DOADD (1 << 0)
|
||||
#define DODELETE (1 << 1)
|
||||
#define DOSHOW (1 << 2)
|
||||
|
||||
int rc_update (int argc, char **argv)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
char *service;
|
||||
char *service = NULL;
|
||||
char **runlevels = NULL;
|
||||
char *runlevel;
|
||||
bool doadd;
|
||||
int retval;
|
||||
int action = 0;
|
||||
bool verbose = false;
|
||||
int opt;
|
||||
int retval = EXIT_FAILURE;
|
||||
|
||||
applet = argv[0];
|
||||
if (argc < 2 ||
|
||||
strcmp (argv[1], "show") == 0 ||
|
||||
strcmp (argv[1], "-s") == 0)
|
||||
|
||||
while ((opt = getopt_long (argc, argv, getoptstring,
|
||||
longopts, (int *) 0)) != -1)
|
||||
{
|
||||
bool verbose = false;
|
||||
char **services = rc_services_in_runlevel (NULL);
|
||||
|
||||
for (i = 2; i < argc; i++) {
|
||||
if (strcmp (argv[i], "--verbose") == 0 ||
|
||||
strcmp (argv[i], "-v") == 0)
|
||||
switch (opt) {
|
||||
case 'a':
|
||||
action |= DOADD;
|
||||
break;
|
||||
case 'd':
|
||||
action |= DODELETE;
|
||||
break;
|
||||
case 's':
|
||||
action |= DOSHOW;
|
||||
break;
|
||||
case 'v':
|
||||
verbose = true;
|
||||
else
|
||||
runlevels = rc_strlist_add (runlevels, argv[i]);
|
||||
}
|
||||
break;
|
||||
|
||||
case_RC_COMMON_GETOPT
|
||||
}
|
||||
}
|
||||
|
||||
if ((action & DOSHOW && action != DOSHOW) ||
|
||||
(action & DOADD && action != DOADD) ||
|
||||
(action & DODELETE && action != DODELETE))
|
||||
eerrorx ("%s: cannot mix commands", applet);
|
||||
|
||||
/* We need to be backwards compatible */
|
||||
if (! action) {
|
||||
if (optind < argc) {
|
||||
if (strcmp (argv[optind], "add") == 0)
|
||||
action = DOADD;
|
||||
else if (strcmp (argv[optind], "delete") == 0)
|
||||
action = DODELETE;
|
||||
else if (strcmp (argv[optind], "show") == 0)
|
||||
action = DOSHOW;
|
||||
if (action)
|
||||
optind++;
|
||||
else
|
||||
eerrorx ("%s: invalid command `%s'", applet, argv[optind]);
|
||||
}
|
||||
if (! action && opt)
|
||||
action = DOSHOW;
|
||||
}
|
||||
|
||||
if (optind >= argc) {
|
||||
if (! action & DOSHOW)
|
||||
eerrorx ("%s: no service specified", applet);
|
||||
} else {
|
||||
service = argv[optind];
|
||||
optind++;
|
||||
|
||||
while (optind < argc)
|
||||
if (rc_runlevel_exists (argv[optind]))
|
||||
runlevels = rc_strlist_add (runlevels, argv[optind++]);
|
||||
else {
|
||||
rc_strlist_free (runlevels);
|
||||
eerrorx ("%s: `%s' is not a valid runlevel", applet, argv[optind]);
|
||||
}
|
||||
}
|
||||
|
||||
if (action & DOSHOW) {
|
||||
if (service)
|
||||
runlevels = rc_strlist_add (runlevels, service);
|
||||
if (! runlevels)
|
||||
runlevels = rc_get_runlevels ();
|
||||
|
||||
STRLIST_FOREACH (services, service, i) {
|
||||
char **in = NULL;
|
||||
bool inone = false;
|
||||
|
||||
STRLIST_FOREACH (runlevels, runlevel, j) {
|
||||
if (rc_service_in_runlevel (service, runlevel)) {
|
||||
in = rc_strlist_add (in, runlevel);
|
||||
inone = true;
|
||||
} else {
|
||||
char buffer[PATH_MAX];
|
||||
memset (buffer, ' ', strlen (runlevel));
|
||||
buffer[strlen (runlevel)] = 0;
|
||||
in = rc_strlist_add (in, buffer);
|
||||
show (runlevels, verbose);
|
||||
retval = EXIT_SUCCESS;
|
||||
} else {
|
||||
if (! service)
|
||||
eerror ("%s: no service specified", applet);
|
||||
else if (! rc_service_exists (service))
|
||||
eerror ("%s: service `%s' does not exist", applet, service);
|
||||
else {
|
||||
retval = EXIT_SUCCESS;
|
||||
if (! runlevels)
|
||||
runlevels = rc_strlist_add (runlevels, rc_get_runlevel ());
|
||||
STRLIST_FOREACH (runlevels, runlevel, i) {
|
||||
if (action & DOADD) {
|
||||
if (! add (runlevel, service))
|
||||
retval = EXIT_FAILURE;
|
||||
} else if (action & DODELETE) {
|
||||
if (! delete (runlevel, service))
|
||||
retval = EXIT_FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
if (! inone && ! verbose)
|
||||
continue;
|
||||
|
||||
printf (" %20s |", service);
|
||||
STRLIST_FOREACH (in, runlevel, j)
|
||||
printf (" %s", runlevel);
|
||||
printf ("\n");
|
||||
rc_strlist_free (in);
|
||||
}
|
||||
|
||||
rc_strlist_free (runlevels);
|
||||
rc_strlist_free (services);
|
||||
return (EXIT_SUCCESS);
|
||||
} else if (argc > 1 &&
|
||||
(strcmp (argv[1], "help") == 0 ||
|
||||
strcmp (argv[1], "--help") == 0 ||
|
||||
strcmp (argv[1], "-h") == 0))
|
||||
{
|
||||
usage ();
|
||||
return (EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
if (geteuid () != 0)
|
||||
eerrorx ("%s: must be root to add or delete services from runlevels",
|
||||
applet);
|
||||
|
||||
if (! (service = argv[2]))
|
||||
eerrorx ("%s: no service specified", applet);
|
||||
|
||||
if (strcmp (argv[1], "add") == 0 ||
|
||||
strcmp (argv[1], "-a") == 0)
|
||||
doadd = true;
|
||||
else if (strcmp (argv[1], "delete") == 0 ||
|
||||
strcmp (argv[1], "del") == 0 ||
|
||||
strcmp (argv[1], "-d") == 0)
|
||||
doadd = false;
|
||||
else
|
||||
eerrorx ("%s: unknown command `%s'", applet, argv[1]);
|
||||
|
||||
for (i = 3; i < argc; i++)
|
||||
runlevels = rc_strlist_add (runlevels, argv[i]);
|
||||
|
||||
if (! runlevels)
|
||||
runlevels = rc_strlist_add (runlevels, rc_get_runlevel ());
|
||||
|
||||
retval = EXIT_SUCCESS;
|
||||
STRLIST_FOREACH (runlevels, runlevel, i) {
|
||||
if (doadd) {
|
||||
if (! add (runlevel, service))
|
||||
retval = EXIT_FAILURE;
|
||||
} else {
|
||||
if (! delete (runlevel, service))
|
||||
retval = EXIT_FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user