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#include <sys/stat.h>
#include <unistd.h>
#include "install.h"
#include "substdio.h"
#include "strerr.h"
#include "error.h"
#include "open.h"
#include "exit.h"
#include "fifo.h"
extern void hier();
#define FATAL "install: fatal: "
int fdsourcedir = -1;
void h(const char *home, uid_t uid, gid_t gid, mode_t mode)
{
if (mkdir(home,0700) == -1)
if (errno != error_exist)
strerr_die4sys(111,FATAL,"unable to mkdir ",home,": ");
if (chown(home,uid,gid) == -1)
strerr_die4sys(111,FATAL,"unable to chown ",home,": ");
if (chmod(home,mode) == -1)
strerr_die4sys(111,FATAL,"unable to chmod ",home,": ");
}
void d(const char *home, const char *subdir, uid_t uid, gid_t gid, mode_t mode)
{
if (chdir(home) == -1)
strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
if (mkdir(subdir,0700) == -1)
if (errno != error_exist)
strerr_die6sys(111,FATAL,"unable to mkdir ",home,"/",subdir,": ");
if (chown(subdir,uid,gid) == -1)
strerr_die6sys(111,FATAL,"unable to chown ",home,"/",subdir,": ");
if (chmod(subdir,mode) == -1)
strerr_die6sys(111,FATAL,"unable to chmod ",home,"/",subdir,": ");
}
void p(const char *home, const char *fifo, uid_t uid, gid_t gid, mode_t mode)
{
if (chdir(home) == -1)
strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
if (fifo_make(fifo,0700) == -1)
if (errno != error_exist)
strerr_die6sys(111,FATAL,"unable to mkfifo ",home,"/",fifo,": ");
if (chown(fifo,uid,gid) == -1)
strerr_die6sys(111,FATAL,"unable to chown ",home,"/",fifo,": ");
if (chmod(fifo,mode) == -1)
strerr_die6sys(111,FATAL,"unable to chmod ",home,"/",fifo,": ");
}
char inbuf[SUBSTDIO_INSIZE];
char outbuf[SUBSTDIO_OUTSIZE];
substdio ssin;
substdio ssout;
void c(const char *home, const char *subdir, const char *file, uid_t uid, gid_t gid, mode_t mode)
{
int fdin;
int fdout;
if (fchdir(fdsourcedir) == -1)
strerr_die2sys(111,FATAL,"unable to switch back to source directory: ");
fdin = open_read(file);
if (fdin == -1)
strerr_die4sys(111,FATAL,"unable to read ",file,": ");
substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof inbuf);
if (chdir(home) == -1)
strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
if (chdir(subdir) == -1)
strerr_die6sys(111,FATAL,"unable to switch to ",home,"/",subdir,": ");
fdout = open_trunc(file);
if (fdout == -1)
strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof outbuf);
switch(substdio_copy(&ssout,&ssin)) {
case -2:
strerr_die4sys(111,FATAL,"unable to read ",file,": ");
case -3:
strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
}
close(fdin);
if (substdio_flush(&ssout) == -1)
strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
if (fsync(fdout) == -1)
strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
if (close(fdout) == -1) /* NFS silliness */
strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
if (chown(file,uid,gid) == -1)
strerr_die6sys(111,FATAL,"unable to chown .../",subdir,"/",file,": ");
if (chmod(file,mode) == -1)
strerr_die6sys(111,FATAL,"unable to chmod .../",subdir,"/",file,": ");
}
void z(const char *home, const char *file, size_t len, uid_t uid, gid_t gid, mode_t mode)
{
int fdout;
if (chdir(home) == -1)
strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
fdout = open_trunc(file);
if (fdout == -1)
strerr_die6sys(111,FATAL,"unable to write ",home,"/",file,": ");
substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof outbuf);
while (len-- > 0)
if (substdio_put(&ssout,"",1) == -1)
strerr_die6sys(111,FATAL,"unable to write ",home,"/",file,": ");
if (substdio_flush(&ssout) == -1)
strerr_die6sys(111,FATAL,"unable to write ",home,"/",file,": ");
if (fsync(fdout) == -1)
strerr_die6sys(111,FATAL,"unable to write ",home,"/",file,": ");
if (close(fdout) == -1) /* NFS silliness */
strerr_die6sys(111,FATAL,"unable to write ",home,"/",file,": ");
if (chown(file,uid,gid) == -1)
strerr_die6sys(111,FATAL,"unable to chown ",home,"/",file,": ");
if (chmod(file,mode) == -1)
strerr_die6sys(111,FATAL,"unable to chmod ",home,"/",file,": ");
}
void main()
{
fdsourcedir = open_read(".");
if (fdsourcedir == -1)
strerr_die2sys(111,FATAL,"unable to open current directory: ");
umask(077);
hier();
_exit(0);
}
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