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#include "substdio.h"
#include "stralloc.h"
#include "getln.h"
#include "readwrite.h"
#include "exit.h"
#include "open.h"
#include "error.h"
#include "strerr.h"
#include "byte.h"
#include "fifo.h"
stralloc target = {0};
char *to;
#define FATAL "install: fatal: "
void nomem() { strerr_die2x(111,FATAL,"out of memory"); }
char inbuf[SUBSTDIO_INSIZE];
char outbuf[SUBSTDIO_OUTSIZE];
substdio ssin;
substdio ssout;
void doit(line)
stralloc *line;
{
char *x;
unsigned int xlen;
unsigned int i;
char *type;
char *uidstr;
char *gidstr;
char *modestr;
char *mid;
char *name;
unsigned long uid;
unsigned long gid;
unsigned long mode;
int fdin;
int fdout;
unsigned long zlen;
x = line->s; xlen = line->len;
type = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
uidstr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
gidstr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
modestr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
mid = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
name = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
if (!stralloc_copys(&target,to)) nomem();
if (!stralloc_cats(&target,mid)) nomem();
if (!stralloc_cats(&target,name)) nomem();
if (!stralloc_0(&target)) nomem();
uid = -1; if (*uidstr) scan_ulong(uidstr,&uid);
gid = -1; if (*gidstr) scan_ulong(gidstr,&gid);
scan_8long(modestr,&mode);
switch(*type) {
case 'z':
scan_ulong(type + 1,&zlen);
fdout = open_trunc(target.s);
if (fdout == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof(outbuf));
while (zlen--)
if (substdio_put(&ssout,"",1) == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
if (substdio_flush(&ssout) == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
if (fsync(fdout) == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
close(fdout);
break;
case 'p':
if (fifo_make(target.s,0700) == -1)
if (errno != error_exist)
strerr_die4sys(111,FATAL,"unable to mkfifo ",target.s,": ");
break;
case 'd':
if (mkdir(target.s,0700) == -1)
if (errno != error_exist)
strerr_die4sys(111,FATAL,"unable to mkdir ",target.s,": ");
break;
case 'c':
fdin = open_read(name);
if (fdin == -1)
strerr_die4sys(111,FATAL,"unable to read ",name,": ");
substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf));
fdout = open_trunc(target.s);
if (fdout == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof(outbuf));
switch(substdio_copy(&ssout,&ssin)) {
case -2:
strerr_die4sys(111,FATAL,"unable to read ",name,": ");
case -3:
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
}
close(fdin);
if (substdio_flush(&ssout) == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
if (fsync(fdout) == -1)
strerr_die4sys(111,FATAL,"unable to write ",target.s,": ");
close(fdout);
break;
default:
return;
}
if (chown(target.s,uid,gid) == -1)
strerr_die4sys(111,FATAL,"unable to chown ",target.s,": ");
if (chmod(target.s,mode) == -1)
strerr_die4sys(111,FATAL,"unable to chmod ",target.s,": ");
}
char buf[256];
substdio in = SUBSTDIO_FDBUF(read,0,buf,sizeof(buf));
stralloc line = {0};
void main(argc,argv)
int argc;
char **argv;
{
int match;
umask(077);
to = argv[1];
if (!to) strerr_die2x(100,FATAL,"install: usage: install dir");
for (;;) {
if (getln(&in,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,"unable to read input: ");
doit(&line);
if (!match)
_exit(0);
}
}
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