147 lines
3 KiB
C
147 lines
3 KiB
C
#include <sys/types.h>
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#include <pwd.h>
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#include <grp.h>
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#include "readwrite.h"
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#include "exit.h"
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#include "scan.h"
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#include "fmt.h"
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#include "strerr.h"
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#include "open.h"
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#include "seek.h"
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#include "fork.h"
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#define FATAL "idedit: fatal: "
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#define WARNING "idedit: warning: "
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int fd;
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void byte(pos,value)
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char *pos;
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unsigned int value;
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{
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unsigned long u;
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unsigned char ch;
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if (pos[scan_ulong(pos,&u)]) return;
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if (seek_set(fd,(seek_pos) u) == -1)
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strerr_die2sys(111,FATAL,"unable to seek: ");
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ch = value;
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if (write(fd,&ch,1) != 1)
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strerr_die2sys(111,FATAL,"unable to write: ");
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}
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char *args[10];
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void run()
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{
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int pid;
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int wstat;
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pid = fork();
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if (pid == -1)
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strerr_die2sys(111,FATAL,"unable to fork: ");
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if (pid == 0) {
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execv(*args,args);
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strerr_die4sys(111,WARNING,"unable to run ",*args,": ");
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}
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if (wait_pid(&wstat,pid) != pid)
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strerr_die2sys(111,FATAL,"waitpid surprise");
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}
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void u(account,group,home,pos0,pos1,pos2,pos3)
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char *account;
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char *group;
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char *home;
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char *pos0;
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char *pos1;
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char *pos2;
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char *pos3;
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{
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struct passwd *pw;
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unsigned int value;
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pw = getpwnam(account);
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if (!pw && group) {
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args[0] = "add-account";
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args[1] = account;
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args[2] = group;
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args[3] = home;
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args[4] = 0;
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run();
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pw = getpwnam(account);
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}
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if (!pw)
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strerr_die3x(111,FATAL,"unable to find uid for ",account);
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value = pw->pw_uid;
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byte(pos0,value); value >>= 8;
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byte(pos1,value); value >>= 8;
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byte(pos2,value); value >>= 8;
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byte(pos3,value); value >>= 8;
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if (value)
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strerr_die3x(111,FATAL,"excessively large uid for ",account);
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}
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void g(group,pos0,pos1,pos2,pos3)
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char *group;
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char *pos0;
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char *pos1;
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char *pos2;
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char *pos3;
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{
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struct group *gr;
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unsigned int value;
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gr = getgrnam(group);
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if (!gr) {
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args[0] = "add-group";
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args[1] = group;
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args[2] = 0;
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run();
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gr = getgrnam(group);
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}
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if (!gr)
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strerr_die3x(111,FATAL,"unable to find gid for ",group);
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value = gr->gr_gid;
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byte(pos0,value); value >>= 8;
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byte(pos1,value); value >>= 8;
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byte(pos2,value); value >>= 8;
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byte(pos3,value); value >>= 8;
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if (value)
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strerr_die3x(111,FATAL,"excessively large gid for ",group);
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}
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void main(argc,argv)
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int argc;
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char **argv;
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{
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if (argc < 42) _exit(100);
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fd = open_write(argv[1]);
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if (fd == -1) strerr_die4sys(111,FATAL,"unable to open ",argv[1],": ");
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g("qmail",argv[34],argv[35],argv[36],argv[37]);
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g("nofiles",argv[38],argv[39],argv[40],argv[41]);
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u("root",(char *) 0,"/",argv[14],argv[15],argv[16],argv[17]);
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u("qmaild","nofiles","/var/qmail",argv[6],argv[7],argv[8],argv[9]);
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u("qmaill","nofiles","/var/qmail",argv[10],argv[11],argv[12],argv[13]);
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u("qmailp","nofiles","/var/qmail",argv[18],argv[19],argv[20],argv[21]);
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u("alias","nofiles","/var/qmail/alias",argv[2],argv[3],argv[4],argv[5]);
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u("qmailq","qmail","/var/qmail",argv[22],argv[23],argv[24],argv[25]);
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u("qmailr","qmail","/var/qmail",argv[26],argv[27],argv[28],argv[29]);
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u("qmails","qmail","/var/qmail",argv[30],argv[31],argv[32],argv[33]);
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_exit(0);
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}
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