walldns-conf.c

   1 #include <unistd.h>
   2 #include <pwd.h>
   3 #include "strerr.h"
   4 #include "exit.h"
   5 #include "auto_home.h"
   6 #include "generic-conf.h"
   7
   8 #define FATAL "walldns-conf: fatal: "
   9
  10 void usage(void)
  11 {
  12   strerr_die1x(100,"walldns-conf: usage: walldns-conf acct logacct /walldns myip");
  13 }
  14
  15 char *dir;
  16 char *user;
  17 char *loguser;
  18 struct passwd *pw;
  19 char *myip;
  20
  21 int main(int argc,char **argv)
  22 {
  23   user = argv[1];
  24   if (!user) usage();
  25   loguser = argv[2];
  26   if (!loguser) usage();
  27   dir = argv[3];
  28   if (!dir) usage();
  29   if (dir[0] != '/') usage();
  30   myip = argv[4];
  31   if (!myip) usage();
  32
  33   pw = getpwnam(loguser);
  34   if (!pw)
  35     strerr_die3x(111,FATAL,"unknown account ",loguser);
  36
  37   init(dir,FATAL);
  38   makelog(loguser,pw->pw_uid,pw->pw_gid);
  39
  40   makedir("env");
  41   perm(02755);
  42   start("env/ROOT"); outs(dir); outs("/root\n"); finish();
  43   perm(0644);
  44   start("env/IP"); outs(myip); outs("\n"); finish();
  45   perm(0644);
  46
  47   start("run");
  48   outs("#!/bin/sh\nexec 2>&1\nexec envuidgid "); outs(user);
  49   outs(" envdir ./env softlimit -d250000 ");
  50   outs(auto_home); outs("/bin/walldns\n");
  51   finish();
  52   perm(0755);
  53
  54   makedir("root");
  55   perm(02755);
  56
  57   _exit(0);
  58 }