Tarball conversion

6 files changed, 724 insertions, 0 deletions

diff --git a/user/netware/groupinfo.c b/user/netware/groupinfo.c
new file mode 100644
index 0000000..e7cfd9b
--- /dev/null
+++ b/user/netware/groupinfo.c
@@ -0,0 +1,41 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_private.h"
+#ifdef HAVE_GRP_H
+#include <grp.h>
+#endif
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_UNISTD_H
+#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
+#endif
+
+APR_DECLARE(apr_status_t) apr_gid_name_get(char **groupname, apr_gid_t groupid,
+                                           apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
+  
+APR_DECLARE(apr_status_t) apr_gid_get(apr_gid_t *groupid, 
+                                      const char *groupname, apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/user/netware/userinfo.c b/user/netware/userinfo.c
new file mode 100644
index 0000000..b58991b
--- /dev/null
+++ b/user/netware/userinfo.c
@@ -0,0 +1,70 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_private.h"
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_UNISTD_H
+#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
+#endif
+
+#define PWBUF_SIZE 512
+
+static apr_status_t getpwnam_safe(const char *username,
+                                  struct passwd *pw,
+                                  char pwbuf[PWBUF_SIZE])
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_uid_homepath_get(char **dirname,
+                                               const char *username,
+                                               apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_uid_current(apr_uid_t *uid,
+                                          apr_gid_t *gid,
+                                          apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
+
+
+
+
+APR_DECLARE(apr_status_t) apr_uid_get(apr_uid_t *uid, apr_gid_t *gid,
+                                      const char *username, apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_uid_name_get(char **username, apr_uid_t userid,
+                                           apr_pool_t *p)
+{
+    return APR_ENOTIMPL;
+}
+
diff --git a/user/unix/groupinfo.c b/user/unix/groupinfo.c
new file mode 100644
index 0000000..7967219
--- /dev/null
+++ b/user/unix/groupinfo.c
@@ -0,0 +1,87 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_private.h"
+#ifdef HAVE_GRP_H
+#include <grp.h>
+#endif
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_UNISTD_H
+#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
+#endif
+
+#define GRBUF_SIZE 8192
+
+APR_DECLARE(apr_status_t) apr_gid_name_get(char **groupname, apr_gid_t groupid,
+                                           apr_pool_t *p)
+{
+    struct group *gr;
+
+#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETGRGID_R)
+    struct group grp;
+    char grbuf[GRBUF_SIZE];
+    apr_status_t rv;
+
+    /* See comment in getpwnam_safe on error handling. */
+    rv = getgrgid_r(groupid, &grp, grbuf, sizeof(grbuf), &gr);
+    if (rv) {
+        return rv;
+    }
+    if (gr == NULL) {
+        return APR_ENOENT;
+    }
+#else
+    errno = 0;
+    if ((gr = getgrgid(groupid)) == NULL) {
+        return errno ? errno : APR_ENOENT;
+    }
+#endif
+    *groupname = apr_pstrdup(p, gr->gr_name);
+    return APR_SUCCESS;
+}
+  
+APR_DECLARE(apr_status_t) apr_gid_get(apr_gid_t *groupid, 
+                                      const char *groupname, apr_pool_t *p)
+{
+    struct group *gr;
+
+#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETGRNAM_R)
+    struct group grp;
+    char grbuf[GRBUF_SIZE];
+    apr_status_t rv;
+
+    /* See comment in getpwnam_safe on error handling. */
+    rv = getgrnam_r(groupname, &grp, grbuf, sizeof(grbuf), &gr);
+    if (rv) {
+        return rv;
+    }
+    if (gr == NULL) {
+        return APR_ENOENT;
+    }
+#else
+    errno = 0;
+    if ((gr = getgrnam(groupname)) == NULL) {
+        return errno ? errno : APR_ENOENT;
+    }
+#endif
+    *groupid = gr->gr_gid;
+    return APR_SUCCESS;
+}
diff --git a/user/unix/userinfo.c b/user/unix/userinfo.c
new file mode 100644
index 0000000..516445b
--- /dev/null
+++ b/user/unix/userinfo.c
@@ -0,0 +1,146 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_private.h"
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_UNISTD_H
+#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
+#endif
+#define APR_WANT_MEMFUNC
+#include "apr_want.h"
+
+#define PWBUF_SIZE 2048
+
+static apr_status_t getpwnam_safe(const char *username,
+                                  struct passwd *pw,
+                                  char pwbuf[PWBUF_SIZE])
+{
+    struct passwd *pwptr;
+#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
+    apr_status_t rv;
+
+    /* POSIX defines getpwnam_r() et al to return the error number
+     * rather than set errno, and requires pwptr to be set to NULL if
+     * the entry is not found, imply that "not found" is not an error
+     * condition; some implementations do return 0 with pwptr set to
+     * NULL. */
+    rv = getpwnam_r(username, pw, pwbuf, PWBUF_SIZE, &pwptr);
+    if (rv) {
+        return rv;
+    }
+    if (pwptr == NULL) {
+        return APR_ENOENT;
+    }
+#else
+    /* Some platforms (e.g. FreeBSD 4.x) do not set errno on NULL "not
+     * found" return values for the non-threadsafe function either. */
+    errno = 0;
+    if ((pwptr = getpwnam(username)) != NULL) {
+        memcpy(pw, pwptr, sizeof *pw);
+    }
+    else {
+        return errno ? errno : APR_ENOENT;
+    }
+#endif
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_uid_homepath_get(char **dirname,
+                                               const char *username,
+                                               apr_pool_t *p)
+{
+    struct passwd pw;
+    char pwbuf[PWBUF_SIZE];
+    apr_status_t rv;
+
+    if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
+        return rv;
+
+#ifdef OS2
+    /* Need to manually add user name for OS/2 */
+    *dirname = apr_pstrcat(p, pw.pw_dir, pw.pw_name, NULL);
+#else
+    *dirname = apr_pstrdup(p, pw.pw_dir);
+#endif
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_uid_current(apr_uid_t *uid,
+                                          apr_gid_t *gid,
+                                          apr_pool_t *p)
+{
+    *uid = getuid();
+    *gid = getgid();
+  
+    return APR_SUCCESS;
+}
+
+
+
+
+APR_DECLARE(apr_status_t) apr_uid_get(apr_uid_t *uid, apr_gid_t *gid,
+                                      const char *username, apr_pool_t *p)
+{
+    struct passwd pw;
+    char pwbuf[PWBUF_SIZE];
+    apr_status_t rv;
+        
+    if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
+        return rv;
+
+    *uid = pw.pw_uid;
+    *gid = pw.pw_gid;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_uid_name_get(char **username, apr_uid_t userid,
+                                           apr_pool_t *p)
+{
+    struct passwd *pw;
+#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWUID_R)
+    struct passwd pwd;
+    char pwbuf[PWBUF_SIZE];
+    apr_status_t rv;
+
+    rv = getpwuid_r(userid, &pwd, pwbuf, sizeof(pwbuf), &pw);
+    if (rv) {
+        return rv;
+    }
+
+    if (pw == NULL) {
+        return APR_ENOENT;
+    }
+
+#else
+    errno = 0;
+    if ((pw = getpwuid(userid)) == NULL) {
+        return errno ? errno : APR_ENOENT;
+    }
+#endif
+    *username = apr_pstrdup(p, pw->pw_name);
+    return APR_SUCCESS;
+}
diff --git a/user/win32/groupinfo.c b/user/win32/groupinfo.c
new file mode 100644
index 0000000..585642f
--- /dev/null
+++ b/user/win32/groupinfo.c
@@ -0,0 +1,100 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_private.h"
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+APR_DECLARE(apr_status_t) apr_gid_get(apr_gid_t *gid, 
+                                      const char *groupname, apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    return APR_ENOTIMPL;
+#else
+    SID_NAME_USE sidtype;
+    char anydomain[256];
+    char *domain;
+    DWORD sidlen = 0;
+    DWORD domlen = sizeof(anydomain);
+    DWORD rv;
+    char *pos;
+
+    if ((pos = strchr(groupname, '/'))) {
+        domain = apr_pstrndup(p, groupname, pos - groupname);
+        groupname = pos + 1;
+    }
+    else if ((pos = strchr(groupname, '\\'))) {
+        domain = apr_pstrndup(p, groupname, pos - groupname);
+        groupname = pos + 1;
+    }
+    else {
+        domain = NULL;
+    }
+    /* Get nothing on the first pass ... need to size the sid buffer 
+     */
+    rv = LookupAccountName(domain, groupname, domain, &sidlen, 
+                           anydomain, &domlen, &sidtype);
+    if (sidlen) {
+        /* Give it back on the second pass
+         */
+        *gid = apr_palloc(p, sidlen);
+        domlen = sizeof(anydomain);
+        rv = LookupAccountName(domain, groupname, *gid, &sidlen, 
+                               anydomain, &domlen, &sidtype);
+    }
+    if (!sidlen || !rv) {
+        return apr_get_os_error();
+    }
+    return APR_SUCCESS;
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_gid_name_get(char **groupname, apr_gid_t groupid, apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    *groupname = apr_pstrdup(p, "Administrators");
+#else
+    SID_NAME_USE type;
+    char name[MAX_PATH], domain[MAX_PATH];
+    DWORD cbname = sizeof(name), cbdomain = sizeof(domain);
+    if (!groupid)
+        return APR_EINVAL;
+    if (!LookupAccountSid(NULL, groupid, name, &cbname, domain, &cbdomain, &type))
+        return apr_get_os_error();
+    if (type != SidTypeGroup && type != SidTypeWellKnownGroup 
+                             && type != SidTypeAlias)
+        return APR_EINVAL;
+    *groupname = apr_pstrdup(p, name);
+#endif
+    return APR_SUCCESS;
+}
+  
+APR_DECLARE(apr_status_t) apr_gid_compare(apr_gid_t left, apr_gid_t right)
+{
+    if (!left || !right)
+        return APR_EINVAL;
+#ifndef _WIN32_WCE
+    if (!IsValidSid(left) || !IsValidSid(right))
+        return APR_EINVAL;
+    if (!EqualSid(left, right))
+        return APR_EMISMATCH;
+#endif
+    return APR_SUCCESS;
+}
diff --git a/user/win32/userinfo.c b/user/win32/userinfo.c
new file mode 100644
index 0000000..12931ad
--- /dev/null
+++ b/user/win32/userinfo.c
@@ -0,0 +1,280 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_private.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_user.h"
+#include "apr_arch_file_io.h"
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifndef _WIN32_WCE
+/* Internal sid binary to string translation, see MSKB Q131320.
+ * Several user related operations require our SID to access
+ * the registry, but in a string format.  All error handling
+ * depends on IsValidSid(), which internally we better test long
+ * before we get here!
+ */
+static void get_sid_string(char *buf, apr_size_t blen, apr_uid_t id)
+{
+    PSID_IDENTIFIER_AUTHORITY psia;
+    DWORD nsa;
+    DWORD sa;
+    int slen;
+
+    /* Determine authority values (these is a big-endian value, 
+     * and NT records the value as hex if the value is > 2^32.)
+     */
+    psia = GetSidIdentifierAuthority(id);
+    nsa =  (DWORD)(psia->Value[5])        + ((DWORD)(psia->Value[4]) <<  8)
+        + ((DWORD)(psia->Value[3]) << 16) + ((DWORD)(psia->Value[2]) << 24);
+    sa  =  (DWORD)(psia->Value[1])        + ((DWORD)(psia->Value[0]) <<  8);
+    if (sa) {
+        slen = apr_snprintf(buf, blen, "S-%d-0x%04x%08x",
+                            SID_REVISION, (unsigned int)sa, (unsigned int)nsa);
+    } else {
+        slen = apr_snprintf(buf, blen, "S-%d-%lu",
+                            SID_REVISION, nsa);
+    }
+
+    /* Now append all the subauthority strings.
+     */
+    nsa = *GetSidSubAuthorityCount(id);
+    for (sa = 0; sa < nsa; ++sa) {
+        slen += apr_snprintf(buf + slen, blen - slen, "-%lu",
+                             *GetSidSubAuthority(id, sa));
+    }
+} 
+#endif
+/* Query the ProfileImagePath from the version-specific branch, where the
+ * regkey uses the user's name on 9x, and user's sid string on NT.
+ */
+APR_DECLARE(apr_status_t) apr_uid_homepath_get(char **dirname, 
+                                               const char *username, 
+                                               apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    *dirname = apr_pstrdup(p, "/My Documents");
+    return APR_SUCCESS;
+#else
+    apr_status_t rv;
+    char regkey[MAX_PATH * 2];
+    char *fixch;
+    DWORD keylen;
+    DWORD type;
+    HKEY key;
+
+    if (apr_os_level >= APR_WIN_NT) {
+        apr_uid_t uid;
+        apr_gid_t gid;
+    
+        if ((rv = apr_uid_get(&uid, &gid, username, p)) != APR_SUCCESS)
+            return rv;
+
+        strcpy(regkey, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\"
+                       "ProfileList\\");
+        keylen = (DWORD)strlen(regkey);
+        get_sid_string(regkey + keylen, sizeof(regkey) - keylen, uid);
+    }
+    else {
+        strcpy(regkey, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\"
+                       "ProfileList\\");
+        keylen = (DWORD)strlen(regkey);
+        apr_cpystrn(regkey + keylen, username, sizeof(regkey) - keylen);
+    }
+
+    if ((rv = RegOpenKeyEx(HKEY_LOCAL_MACHINE, regkey, 0, 
+                           KEY_QUERY_VALUE, &key)) != ERROR_SUCCESS)
+        return APR_FROM_OS_ERROR(rv);
+
+#if APR_HAS_UNICODE_FS
+    IF_WIN_OS_IS_UNICODE
+    {
+        keylen = sizeof(regkey);
+        rv = RegQueryValueExW(key, L"ProfileImagePath", NULL, &type,
+                                   (void*)regkey, &keylen);
+        RegCloseKey(key);
+        if (rv != ERROR_SUCCESS)
+            return APR_FROM_OS_ERROR(rv);
+        if (type == REG_SZ) {
+            char retdir[MAX_PATH];
+            if ((rv = unicode_to_utf8_path(retdir, sizeof(retdir), 
+                                           (apr_wchar_t*)regkey)) != APR_SUCCESS)
+                return rv;
+            *dirname = apr_pstrdup(p, retdir);
+        }
+        else if (type == REG_EXPAND_SZ) {
+            apr_wchar_t path[MAX_PATH];
+            char retdir[MAX_PATH];
+            ExpandEnvironmentStringsW((apr_wchar_t*)regkey, path, 
+                                      sizeof(path) / 2);
+            if ((rv = unicode_to_utf8_path(retdir, sizeof(retdir), path))
+                    != APR_SUCCESS)
+                return rv;
+            *dirname = apr_pstrdup(p, retdir);
+        }
+        else
+            return APR_ENOENT;
+    }
+#endif
+#if APR_HAS_ANSI_FS
+    ELSE_WIN_OS_IS_ANSI
+    {
+        keylen = sizeof(regkey);
+        rv = RegQueryValueEx(key, "ProfileImagePath", NULL, &type,
+                                  (void*)regkey, &keylen);
+        RegCloseKey(key);
+        if (rv != ERROR_SUCCESS)
+            return APR_FROM_OS_ERROR(rv);
+        if (type == REG_SZ) {
+            *dirname = apr_pstrdup(p, regkey);
+        }
+        else if (type == REG_EXPAND_SZ) {
+            char path[MAX_PATH];
+            ExpandEnvironmentStrings(regkey, path, sizeof(path));
+            *dirname = apr_pstrdup(p, path);
+        }
+        else
+            return APR_ENOENT;
+    }
+#endif /* APR_HAS_ANSI_FS */
+    for (fixch = *dirname; *fixch; ++fixch)
+        if (*fixch == '\\')
+            *fixch = '/';
+    return APR_SUCCESS;
+#endif /* _WIN32_WCE */
+}
+
+APR_DECLARE(apr_status_t) apr_uid_current(apr_uid_t *uid,
+                                          apr_gid_t *gid,
+                                          apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    return APR_ENOTIMPL;
+#else
+    HANDLE threadtok;
+    DWORD needed;
+    TOKEN_USER *usr;
+    TOKEN_PRIMARY_GROUP *grp;
+    
+    if(!OpenProcessToken(GetCurrentProcess(), STANDARD_RIGHTS_READ | READ_CONTROL | TOKEN_QUERY, &threadtok)) {
+        return apr_get_os_error();
+    }
+
+    *uid = NULL;
+    if (!GetTokenInformation(threadtok, TokenUser, NULL, 0, &needed)
+        && (GetLastError() == ERROR_INSUFFICIENT_BUFFER) 
+        && (usr = apr_palloc(p, needed))
+        && GetTokenInformation(threadtok, TokenUser, usr, needed, &needed))
+        *uid = usr->User.Sid;
+    else
+        return apr_get_os_error();
+
+    if (!GetTokenInformation(threadtok, TokenPrimaryGroup, NULL, 0, &needed)
+        && (GetLastError() == ERROR_INSUFFICIENT_BUFFER) 
+        && (grp = apr_palloc(p, needed))
+        && GetTokenInformation(threadtok, TokenPrimaryGroup, grp, needed, &needed))
+        *gid = grp->PrimaryGroup;
+    else
+        return apr_get_os_error();
+
+    return APR_SUCCESS;
+#endif 
+}
+
+APR_DECLARE(apr_status_t) apr_uid_get(apr_uid_t *uid, apr_gid_t *gid,
+                                      const char *username, apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    return APR_ENOTIMPL;
+#else
+    SID_NAME_USE sidtype;
+    char anydomain[256];
+    char *domain;
+    DWORD sidlen = 0;
+    DWORD domlen = sizeof(anydomain);
+    DWORD rv;
+    char *pos;
+
+    if ((pos = strchr(username, '/'))) {
+        domain = apr_pstrndup(p, username, pos - username);
+        username = pos + 1;
+    }
+    else if ((pos = strchr(username, '\\'))) {
+        domain = apr_pstrndup(p, username, pos - username);
+        username = pos + 1;
+    }
+    else {
+        domain = NULL;
+    }
+    /* Get nothing on the first pass ... need to size the sid buffer 
+     */
+    rv = LookupAccountName(domain, username, domain, &sidlen, 
+                           anydomain, &domlen, &sidtype);
+    if (sidlen) {
+        /* Give it back on the second pass
+         */
+        *uid = apr_palloc(p, sidlen);
+        domlen = sizeof(anydomain);
+        rv = LookupAccountName(domain, username, *uid, &sidlen, 
+                               anydomain, &domlen, &sidtype);
+    }
+    if (!sidlen || !rv) {
+        return apr_get_os_error();
+    }
+    /* There doesn't seem to be a simple way to retrieve the primary group sid
+     */
+    *gid = NULL;
+    return APR_SUCCESS;
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_uid_name_get(char **username, apr_uid_t userid,
+                                           apr_pool_t *p)
+{
+#ifdef _WIN32_WCE
+    *username = apr_pstrdup(p, "Administrator");
+    return APR_SUCCESS;
+#else
+    SID_NAME_USE type;
+    char name[MAX_PATH], domain[MAX_PATH];
+    DWORD cbname = sizeof(name), cbdomain = sizeof(domain);
+    if (!userid)
+        return APR_EINVAL;
+    if (!LookupAccountSid(NULL, userid, name, &cbname, domain, &cbdomain, &type))
+        return apr_get_os_error();
+    if (type != SidTypeUser && type != SidTypeAlias && type != SidTypeWellKnownGroup)
+        return APR_EINVAL;
+    *username = apr_pstrdup(p, name);
+    return APR_SUCCESS;
+#endif
+}
+  
+APR_DECLARE(apr_status_t) apr_uid_compare(apr_uid_t left, apr_uid_t right)
+{
+    if (!left || !right)
+        return APR_EINVAL;
+#ifndef _WIN32_WCE
+    if (!IsValidSid(left) || !IsValidSid(right))
+        return APR_EINVAL;
+    if (!EqualSid(left, right))
+        return APR_EMISMATCH;
+#endif
+    return APR_SUCCESS;
+}
+