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* cygwin.din: Define symbols for `cygwin_logon_user' and

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`cygwin_set_impersonation_token'.
        * dcrt0.cc (dll_crt0_1): Eliminate superfluous conditional
        statements.
        Add load statements for `ImpersonateLoggedOnUser', `LogonUserA'
        and `RevertToSelf'.
        * fork.cc (fork): Care for correct impersonation of parent
        and child process.
        * security.cc (cygwin_set_impersonation_token): New function.
        (cygwin_logon_user): Ditto.
        shared.h (class pinfo): New members `orig_uid', `orig_gid',
        `real_uid' nad `real_gid'.
        spawn.cc (spawn_guts): Care for impersonation when starting
        child process in a different user context.
        * syscalls.cc (setgid): Call `setegid' now. Set real_gid.
        (setuid): Call `seteuid' now. Set real_uid.
        (seteuid): Functionality moved from setuid to here. Care for
        correct impersonation.
        (setegid): Functionality moved from setgid to here.
        * uinfo.cc (uinfo_init): Initialization of additional pinfo
        members.
        (getuid): Return real uid.
        (getgid): Return real gid.
        (geteuid): Return effective uid.
        (getegid): Return effective gid.
        include/sys/cygwin.h: Add prototypes for `cygwin_logon_user' and
        `cygwin_set_impersonation_token'.
        include/cygwin/version.h: Bumb API minor version to 22.
This commit is contained in:
Corinna Vinschen
2000-06-16 19:36:07 +00:00
parent 3875d9e652
commit 64b3062937
11 changed files with 261 additions and 64 deletions
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13
winsup/cygwin/uinfo.cc
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@@ -126,6 +126,11 @@ uinfo_init ()
myself->uid = DEFAULT_UID;
myself->gid = DEFAULT_GID;
}
/* Set to non impersonated value. */
myself->token = INVALID_HANDLE_VALUE;
myself->impersonated = TRUE;
myself->orig_uid = myself->real_uid = myself->uid;
myself->orig_gid = myself->real_gid = myself->gid;
}
extern "C" char *
@@ -143,25 +148,25 @@ getlogin (void)
extern "C" uid_t
getuid (void)
{
return myself->uid;
return myself->real_uid;
}
extern "C" gid_t
getgid (void)
{
return myself->gid;
return myself->real_gid;
}
extern "C" uid_t
geteuid (void)
{
return getuid ();
return myself->uid;
}
extern "C" gid_t
getegid (void)
{
return getgid ();
return myself->gid;
}
/* Not quite right - cuserid can change, getlogin can't */