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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <libsec.h>
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#include <libproto.h>
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#include <ctype.h>
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#include "iso9660.h"
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#include <grp.h>
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#include <pwd.h>
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typedef struct Xarg Xarg;
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struct Xarg {
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	void (*enm)(char*,char*,XDir*,void*);
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	void (*warn)(char*,void*);
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	void *arg;
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};
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static long numericuid(char *user);
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static long numericgid(char *gp);
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void
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dirtoxdir(XDir *xd, Dir *d)
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{
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	//	char buf[NAMELEN+1];
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	memset(xd, 0, sizeof *xd);
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	xd->name = atom(d->name);
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	xd->uid = atom(d->uid);
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	xd->gid = atom(d->gid);
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	xd->uidno = numericuid(d->uid);
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	xd->gidno = numericgid(d->gid);
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	xd->mode = d->mode;
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	xd->atime = d->atime;
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	xd->mtime = d->mtime;
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	xd->ctime = 0;
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	xd->length = d->length;
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	if(xd->mode & CHLINK) {
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		xd->mode |= 0777;
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		xd->symlink = atom(d->symlink);
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	}
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};
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void
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fdtruncate(int fd, ulong size)
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{
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	ftruncate(fd, size);
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	return;
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}
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static long
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numericuid(char *user)
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{
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	struct passwd *pass;
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	static int warned = 0;
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	if (! (pass = getpwnam(user))) {
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		if (!warned)
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			fprint(2, "Warning: getpwnam(3) failed for \"%s\"\n", user);
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		warned = 1;
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		return 0;
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	}
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	return pass->pw_uid;
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}
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static long
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numericgid(char *gp)
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{
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	struct group *gr;
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	static int warned = 0;
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	if (! (gr = getgrnam(gp))) {
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		if (!warned)
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			fprint(2, "Warning: getgrnam(3) failed for \"%s\"\n", gp);
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		warned = 1;
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		return 0;
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	}
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	return gr->gr_gid;
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}