XrdSysPriv.cc File Reference

#include "XrdSys/XrdSysPriv.hh"
#include <cstdio>
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdSys/XrdSysPwd.hh"
#include <unistd.h>
#include <pwd.h>
#include <cerrno>

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Macros
#define	NOGC   ((gid_t)(-1))
#define	NOUC   ((uid_t)(-1))
#define	XSPERR(x)   ((x == 0) ? -1 : -x)

Functions
static int	getresgid (gid_t *r, gid_t *e, gid_t *)
static int	getresuid (uid_t *r, uid_t *e, uid_t *)
static int	setresgid (gid_t r, gid_t e, gid_t)
static int	setresuid (uid_t r, uid_t e, uid_t)

Macro Definition Documentation

NOGC

#define NOGC   ((gid_t)(-1))

Definition at line 52 of file XrdSysPriv.cc.

NOUC

#define NOUC   ((uid_t)(-1))

Definition at line 51 of file XrdSysPriv.cc.

XSPERR

#define XSPERR

(

x

)

((x == 0) ? -1 : -x)

Definition at line 53 of file XrdSysPriv.cc.

Function Documentation

getresgid()

static int getresgid ( gid_t *  r, gid_t *  e, gid_t *    )

static

Definition at line 89 of file XrdSysPriv.cc.

{
  *r = getgid();
  *e = getegid();
  return 0;
}

Referenced by XrdSysPriv::ChangePerm().

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getresuid()

static int getresuid ( uid_t *  r, uid_t *  e, uid_t *    )

static

Definition at line 96 of file XrdSysPriv.cc.

{
  *r = getuid();
  *e = geteuid();
  return 0;
}

Referenced by XrdSysPriv::ChangePerm().

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setresgid()

static int setresgid ( gid_t  r, gid_t  e, gid_t    )

static

Definition at line 75 of file XrdSysPriv.cc.

{
   if (r != NOGC && setgid(r) == -1)
      return XSPERR(errno);
   return ((e != NOGC) ? setegid(e) : 0);
}

References NOGC, and XSPERR.

Referenced by XrdSysPriv::ChangePerm().

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setresuid()

static int setresuid ( uid_t  r, uid_t  e, uid_t    )

static

Definition at line 82 of file XrdSysPriv.cc.

{
   if (r != NOUC && setuid(r) == -1)
      return XSPERR(errno);
   return ((e != NOUC) ? seteuid(e) : 0);
}

References NOUC, and XSPERR.

Referenced by XrdSysPriv::ChangePerm().

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