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install-win32.c
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install-win32.c
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#define INSTALL_IMPLEMENTATION
#include "install.h"
#if INSTALL_OS_TYPE == INSTALL_OS_WIN32
#include <sys/stat.h>
#include <windows.h>
#include <sddl.h>
#include <io.h>
#include <stdio.h>
#define BUFFER_SIZE 256
static int
iwin32_get_sid (const char *name, PSID *ext_sid)
{
char domain [BUFFER_SIZE];
DWORD domain_size = BUFFER_SIZE;
DWORD sid_size = BUFFER_SIZE;
SID *sid;
SID_NAME_USE account_type;
sid = malloc (sid_size);
if (!sid) return 0;
if (!LookupAccountName (NULL, name, sid, &sid_size,
domain, &domain_size, &account_type)) return 0;
*ext_sid = sid;
return 1;
}
static int
iwin32_user_primary_group (group_id_t *gid)
{
HANDLE thread_tok;
DWORD needed;
TOKEN_PRIMARY_GROUP *group;
if (!OpenProcessToken (GetCurrentProcess(),
STANDARD_RIGHTS_READ | READ_CONTROL | TOKEN_QUERY, &thread_tok)) return 0;
if (!GetTokenInformation (thread_tok, TokenPrimaryGroup, NULL, 0, &needed)) {
if (!GetLastError () == ERROR_INSUFFICIENT_BUFFER) {
group = malloc (needed);
if (!group) return 0;
if (GetTokenInformation (thread_tok, TokenPrimaryGroup, group, needed, &needed)) {
gid->value = group->PrimaryGroup;
}
free (group);
}
}
return 1;
}
int
iwin32_compare_gid (group_id_t a, group_id_t b)
{
return EqualSid (a.value, b.value);
}
int
iwin32_compare_uid (user_id_t a, user_id_t b)
{
return EqualSid (a.value, b.value);
}
int
iwin32_gid_current (group_id_t *gid)
{
return iwin32_user_primary_group (gid);
}
int
iwin32_gid_lookup (const char *name, group_id_t *gid)
{
if (name) {
return iwin32_get_sid (name, &gid->value);
} else {
return iwin32_get_sid ("None", &gid->value);
}
}
int
iwin32_uid_current (user_id_t *uid)
{
return iwin32_get_sid ("Administrator", &uid->value);
}
int
iwin32_uid_lookup (const char *name, user_id_t *uid)
{
if (name) {
return iwin32_get_sid (name, &uid->value);
} else {
return iwin32_get_sid ("Administrator", &uid->value);
}
}
int
iwin32_file_set_sid (const char *file, PSID sid)
{
char file_sd_buf [256];
PSECURITY_DESCRIPTOR file_sd = (PSECURITY_DESCRIPTOR) &file_sd_buf;
if (!InitializeSecurityDescriptor (file_sd, SECURITY_DESCRIPTOR_REVISION)) return 0;
if (!SetSecurityDescriptorOwner (file_sd, sid, FALSE)) return 0;
if (!IsValidSecurityDescriptor (file_sd)) return 0;
if (!SetFileSecurity (file, (SECURITY_INFORMATION)(OWNER_SECURITY_INFORMATION),
file_sd)) return 0;
return 1;
}
int
iwin32_file_set_ownership (const char *file, user_id_t uid, group_id_t gid)
{
if (!iwin32_file_set_sid (file, uid.value)) return 0;
return 1;
}
int
iwin32_file_get_owner (const char *file, user_id_t *uid)
{
char file_sd_buf [256];
DWORD sd_size = 256;
PSECURITY_DESCRIPTOR file_sd = (PSECURITY_DESCRIPTOR) &file_sd_buf;
PSID sid;
BOOL dummy;
if (!InitializeSecurityDescriptor (file_sd, SECURITY_DESCRIPTOR_REVISION))
return 0;
if (!GetFileSecurity (file, (SECURITY_INFORMATION)(OWNER_SECURITY_INFORMATION),
file_sd, sizeof (file_sd_buf), &sd_size)) return 0;
if (!GetSecurityDescriptorOwner (file_sd, &sid, &dummy)) return 0;
if (!IsValidSid (sid)) return 0;
uid->value = malloc (sd_size);
if (!uid->value) return 0;
if (!CopySid (sd_size, uid->value, sid)) return 0;
return 1;
}
int
iwin32_file_get_group (const char *file, group_id_t *gid)
{
char file_sd_buf [256];
DWORD sd_size = 256;
PSECURITY_DESCRIPTOR file_sd = (PSECURITY_DESCRIPTOR) &file_sd_buf;
PSID sid;
BOOL dummy;
if (!InitializeSecurityDescriptor (file_sd, SECURITY_DESCRIPTOR_REVISION))
return 0;
if (!GetFileSecurity (file, (SECURITY_INFORMATION)(GROUP_SECURITY_INFORMATION),
file_sd, sizeof (file_sd_buf), &sd_size)) return 0;
if (!GetSecurityDescriptorGroup (file_sd, &sid, &dummy)) return 0;
if (!IsValidSid (sid)) return 0;
gid->value = malloc (sd_size);
if (!gid->value) return 0;
if (!CopySid (sd_size, gid->value, sid)) return 0;
return 1;
}
int
iwin32_file_get_ownership (const char *file, user_id_t *uid, group_id_t *gid)
{
if (!iwin32_file_get_owner (file, uid)) return 0;
if (!iwin32_file_get_group (file, gid)) return 0;
return 1;
}
int
iwin32_file_set_mode (const char *file, permissions_t mode)
{
return chmod (file, mode.value) == 0;
}
int
iwin32_file_get_mode (const char *file, permissions_t *mode)
{
struct stat sb;
if (stat (file, &sb) == -1) return 0;
mode->value = sb.st_mode & 0755;
return 1;
}
int
iwin32_file_link (const char *src, const char *dst)
{
user_id_t uid;
group_id_t gid;
permissions_t mode;
struct install_status_t status = INSTALL_STATUS_INIT;
if (install_callback_warn) {
install_callback_warn ("filesystem does not support symlinks - copying",
install_callback_data);
}
/* only vista supports symlinks */
if (!iwin32_file_get_ownership (src, &uid, &gid)) return 0;
if (!iwin32_file_get_mode (src, &mode)) return 0;
status = install_file_copy (src, dst, uid, gid, mode);
return status.status == INSTALL_STATUS_OK;
}
struct install_status_t
iwin32_install_init (void)
{
struct install_status_t status = INSTALL_STATUS_INIT;
status.status = INSTALL_STATUS_OK;
memcpy (inst_exec_suffix, ".exe", 4);
return status;
}
unsigned int
iwin32_fmt_gid (char *buffer, group_id_t gid)
{
char *sid_str;
unsigned long len;
if (!ConvertSidToStringSid (gid.value, &sid_str)) return 0;
len = strlen (sid_str);
memcpy (buffer, sid_str, len);
LocalFree (sid_str);
return len;
}
unsigned int
iwin32_fmt_uid (char *buffer, user_id_t uid)
{
char *sid_str;
unsigned long len;
if (!ConvertSidToStringSid (uid.value, &sid_str)) return 0;
len = strlen (sid_str);
memcpy (buffer, sid_str, len);
LocalFree (sid_str);
return len;
}
unsigned int
iwin32_scan_gid (const char *buffer, group_id_t *gid)
{
if (!ConvertStringSidToSid ((char *) buffer, &gid->value)) return 0;
return strlen (buffer);
}
unsigned int
iwin32_scan_uid (const char *buffer, user_id_t *uid)
{
if (!ConvertStringSidToSid ((char *) buffer, &uid->value)) return 0;
return strlen (buffer);
}
unsigned int
iwin32_umask (unsigned int m)
{
return m;
}
int
iwin32_mkdir (const char *dir, unsigned int mode)
{
return mkdir (dir);
}
void
iwin32_uid_free (user_id_t *uid)
{
free (uid->value);
}
void
iwin32_gid_free (group_id_t *gid)
{
free (gid->value);
}
#endif