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authorin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-03-08 02:02:07 +0800
committerin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-03-08 02:02:07 +0800
commitce25837d92ae5b642c7598a277cfbfa98f497484 (patch)
treebd951f075949b21c5f72ebe889481a322ef9fd5f
parentc3d0f4182648977dad47ded96ac8b480dfe43124 (diff)
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bbsctl bbsadm
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@6 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
-rw-r--r--util/bbsctl.c73
1 files changed, 64 insertions, 9 deletions
diff --git a/util/bbsctl.c b/util/bbsctl.c
index bf66df35..62d00300 100644
--- a/util/bbsctl.c
+++ b/util/bbsctl.c
@@ -4,9 +4,23 @@
#include <string.h>
#include <signal.h>
#include <sys/types.h>
+#include <grp.h>
+#ifdef FreeBSD
+ #include <sys/syslimits.h>
+ #define PS "/bin/ps"
+ #define GREP "/usr/bin/grep"
+ #define SU "/usr/bin/su"
+#endif
+#ifdef Linux
+ #include <linux/limits.h>
+ #define PS "/bin/ps"
+ #define GREP "/bin/grep"
+ #define SU "/bin/su"
+#endif
+
void usage(void)
{
- printf("usage: bbsctl [start|stop|restart]\n");
+ printf("usage: bbsctl [start|stop|restart|bbsadm]\n");
exit(0);
}
@@ -34,8 +48,8 @@ void stopbbs(void)
{
char buf[1024];
int pid;
- FILE *fp = popen("/bin/ps -ax | /usr/bin/grep mbbsd | "
- "/usr/bin/grep listen", "r");
+ FILE *fp = popen(PS " -ax | " GREP " mbbsd | "
+ GREP " listen", "r");
while( fgets(buf, sizeof(buf), fp) != NULL ){
sscanf(buf, "%d", &pid);
printf("stopping %d\n", pid);
@@ -49,15 +63,56 @@ void restartbbs(void)
startbbs();
}
+void bbsadm(void)
+{
+ gid_t gids[NGROUPS_MAX];
+ int i, ngids;
+ struct group *gr;
+ ngids = getgroups(NGROUPS_MAX, gids);
+ if( (gr = getgrnam("bbsadm")) == NULL ){
+ puts("group bbsadm not found");
+ return;
+ }
+
+ for( i = 0 ; i < ngids ; ++i )
+ if( gr->gr_gid == gids[i] )
+ break;
+
+ if( i == ngids ){
+ puts("permission denied");
+ return;
+ }
+
+ if( setuid(0) < 0 ){
+ perror("setuid(0)");
+ return;
+ }
+ puts("permission granted");
+ execl(SU, "su", "bbsadm", NULL);
+}
+
+struct {
+ char *cmd;
+ void (*func)();
+}cmds[] = { {"start", startbbs},
+ {"stop", stopbbs},
+ {"restart", restartbbs},
+ {"bbsadm", bbsadm},
+ {NULL, NULL} };
+
int main(int argc, char **argv)
{
+ int i;
if( argc == 1 )
usage();
- if( strcmp(argv[1], "start") == 0 )
- startbbs();
- else if( strcmp(argv[1], "stop") == 0 )
- stopbbs();
- else if( strcmp(argv[1], "restart") == 0 )
- restartbbs();
+ for( i = 0 ; cmds[i].cmd != NULL ; ++i )
+ if( strcmp(cmds[i].cmd, argv[1]) == 0 ){
+ cmds[i].func();
+ break;
+ }
+ if( cmds[i].cmd == NULL ){
+ printf("command %s not found\n", argv[1]);
+ usage();
+ }
return 0;
}