set_uid

SFL
Version 2.11

`set_uid_gid`

#include "sfluid.h"
int
set_uid_gid (char *new_uid, char *new_gid)

Synopsis

Sets the program's uid and gid to new values as specified (as names). The program must be currently running as 'root'. Returns 0 if the new names could be correctly used. Returns -1 if the specified user id or group id was not valid, or -2 if the process was unable to change to the new uid/gid as specified. The gid may be null or empty.

Source Code - (sfluid.c)

{
#if (defined (DOES_UID))
    struct passwd
        *pwdbuf;
    struct group
        *grpbuf;

#   if (defined (__VMS__))
    return (0);
#   else
    if (new_gid && *new_gid)
      {
        if ((grpbuf = getgrnam (new_gid)) == NULL)
            return (-1);
        else
        if (setgid (grpbuf-> gr_gid) == -1)
            return (-2);
      }
    if ((pwdbuf = getpwnam (new_uid)) == NULL)
        return (-1);
    else
    if (setuid (pwdbuf-> pw_uid) == -1)
        return (-2);
#   endif
#endif
    return (0);
}

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