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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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11
winsup/cygwin/spawn.cc
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@ -503,6 +503,9 @@ skip_arg_parsing:
/* Preallocated buffer for `sec_user' call */
char sa_buf[1024];
if (!hToken && myself->token != INVALID_HANDLE_VALUE)
hToken = myself->token;
if (hToken)
{
/* allow the child to interact with our window station/desktop */
@ -535,6 +538,11 @@ skip_arg_parsing:
else
system_printf ("GetTokenInformation: %E");
/* Remove impersonation */
uid_t uid = geteuid();
if (myself->impersonated && myself->token != INVALID_HANDLE_VALUE)
seteuid (myself->orig_uid);
rc = CreateProcessAsUser (hToken,
real_path, /* image name - with full path */
one_line.buf, /* what was passed to exec */
@ -550,6 +558,9 @@ skip_arg_parsing:
0, /* use current drive/directory */
&si,
&pi);
/* Restore impersonation */
if (myself->impersonated && myself->token != INVALID_HANDLE_VALUE)
seteuid (uid);
}
else
rc = CreateProcessA (real_path, /* image name - with full path */