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smbinfo.c
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/*
* smbinfo
*
* Copyright (C) Ronnie Sahlberg ([email protected]) 2018
* Copyright (C) Aurelien Aptel ([email protected]) 2018
*
* Display SMB-specific file information using cifs IOCTL
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <endian.h>
#include <errno.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <inttypes.h>
#define CIFS_IOCTL_MAGIC 0xCF
/* query_info flags */
#define PASSTHRU_QUERY_INFO 0x00000000
#define PASSTHRU_FSCTL 0x00000001
struct smb_query_info {
uint32_t info_type;
uint32_t file_info_class;
uint32_t additional_information;
uint32_t flags;
uint32_t input_buffer_length;
uint32_t output_buffer_length;
/* char buffer[]; */
} __packed;
#define SMB3_SIGN_KEY_SIZE 16
struct smb3_key_debug_info {
uint64_t Suid;
uint16_t cipher_type;
uint8_t auth_key[16]; /* SMB2_NTLMV2_SESSKEY_SIZE */
uint8_t smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
uint8_t smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
} __attribute__((packed));
#define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info)
#define CIFS_DUMP_KEY _IOWR(CIFS_IOCTL_MAGIC, 8, struct smb3_key_debug_info)
#define INPUT_BUFFER_LENGTH 16384
int verbose;
static void
usage(char *name)
{
fprintf(stderr, "Usage: %s [-V] <command> <file>\n"
"-V for verbose output\n"
"-h display this help text\n"
"-v print smbinfo version\n"
"Commands are\n"
" fileaccessinfo:\n"
" Prints FileAccessInfo for a cifs file.\n"
" filealigninfo:\n"
" Prints FileAlignInfo for a cifs file.\n"
" fileallinfo:\n"
" Prints FileAllInfo for a cifs file.\n"
" filebasicinfo:\n"
" Prints FileBasicInfo for a cifs file.\n"
" fileeainfo:\n"
" Prints FileEAInfo for a cifs file.\n"
" filefsfullsizeinfo:\n"
" Prints FileFsFullSizeInfo for a cifs share.\n"
" fileinternalinfo:\n"
" Prints FileInternalInfo for a cifs file.\n"
" filemodeinfo:\n"
" Prints FileModeInfo for a cifs file.\n"
" filepositioninfo:\n"
" Prints FilePositionInfo for a cifs file.\n"
" filestandardinfo:\n"
" Prints FileStandardInfo for a cifs file.\n"
" fsctl-getobjid:\n"
" Prints the objectid of the file and GUID of the underlying volume.\n"
" getcompression:\n"
" Prints the compression setting for the file.\n"
" setcompression <no|default|lznt1>:\n"
" Sets the compression level for the file.\n"
" list-snapshots:\n"
" List the previous versions of the volume that backs this file.\n"
" quota:\n"
" Prints the quota for a cifs file.\n"
" secdesc:\n"
" Prints the security descriptor for a cifs file.\n"
" keys:\n"
" Prints the decryption information needed to view encrypted network traces.\n",
name);
exit(1);
}
static void
short_usage(char *name)
{
fprintf(stderr, "Usage: %s [-v] [-V] <command> <file>\n"
"Try 'smbinfo -h' for more information.\n", name);
exit(1);
}
static void
win_to_timeval(uint64_t smb2_time, struct timeval *tv)
{
tv->tv_usec = (smb2_time / 10) % 1000000;
tv->tv_sec = (smb2_time - 116444736000000000) / 10000000;
}
struct bit_string {
unsigned int bit;
char *string;
};
struct bit_string directory_access_mask[] = {
{ 0x00000001, "LIST_DIRECTORY" },
{ 0x00000002, "ADD_FILE" },
{ 0x00000004, "ADD_SUBDIRECTORY" },
{ 0x00000008, "READ_EA" },
{ 0x00000010, "WRITE_EA" },
{ 0x00000020, "TRAVERSE" },
{ 0x00000040, "DELETE_CHILD" },
{ 0x00000080, "READ_ATTRIBUTES" },
{ 0x00000100, "WRITE_ATTRIBUTES" },
{ 0x00010000, "DELETE" },
{ 0x00020000, "READ_CONTROL" },
{ 0x00040000, "WRITE_DAC" },
{ 0x00080000, "WRITE_OWNER" },
{ 0x00100000, "SYNCHRONIZER" },
{ 0x01000000, "ACCESS_SYSTEM_SECURITY" },
{ 0x02000000, "MAXIMUM_ALLOWED" },
{ 0x10000000, "GENERIC_ALL" },
{ 0x20000000, "GENERIC_EXECUTE" },
{ 0x40000000, "GENERIC_WRITE" },
{ 0x80000000, "GENERIC_READ" },
{ 0, NULL }
};
struct bit_string file_access_mask[] = {
{ 0x00000001, "READ_DATA" },
{ 0x00000002, "WRITE_DATA" },
{ 0x00000004, "APPEND_DATA" },
{ 0x00000008, "READ_EA" },
{ 0x00000010, "WRITE_EA" },
{ 0x00000020, "EXECUTE" },
{ 0x00000040, "DELETE_CHILD" },
{ 0x00000080, "READ_ATTRIBUTES" },
{ 0x00000100, "WRITE_ATTRIBUTES" },
{ 0x00010000, "DELETE" },
{ 0x00020000, "READ_CONTROL" },
{ 0x00040000, "WRITE_DAC" },
{ 0x00080000, "WRITE_OWNER" },
{ 0x00100000, "SYNCHRONIZER" },
{ 0x01000000, "ACCESS_SYSTEM_SECURITY" },
{ 0x02000000, "MAXIMUM_ALLOWED" },
{ 0x10000000, "GENERIC_ALL" },
{ 0x20000000, "GENERIC_EXECUTE" },
{ 0x40000000, "GENERIC_WRITE" },
{ 0x80000000, "GENERIC_READ" },
{ 0, NULL }
};
static void
print_bits(uint32_t mask, struct bit_string *bs)
{
int first = 1;
if (!verbose)
return;
while (bs->string) {
if (mask & bs->bit) {
printf("%s%s", first?"":",", bs->string);
first = 0;
}
bs++;
}
if (!first)
printf(" ");
}
static void
print_guid(uint8_t *sd)
{
uint32_t u32;
uint16_t u16;
int i;
memcpy(&u32, &sd[0], 4);
printf("%08x-", le32toh(u32));
memcpy(&u16, &sd[4], 2);
printf("%04x-", le16toh(u16));
memcpy(&u16, &sd[6], 2);
printf("%04x-", le16toh(u16));
printf("%02x%02x-", sd[8], sd[9]);
for (i = 0; i < 6; i++)
printf("%02x", sd[10 + i]);
}
static void
print_objidbuf(uint8_t *sd)
{
printf("Object-ID: ");
print_guid(&sd[0]);
printf("\n");
printf("Birth-Volume-ID: ");
print_guid(&sd[16]);
printf("\n");
printf("Birth-Object-ID: ");
print_guid(&sd[32]);
printf("\n");
printf("Domain-ID: ");
print_guid(&sd[48]);
printf("\n");
}
static void
fsctlgetobjid(int f)
{
struct smb_query_info *qi;
struct stat st;
fstat(f, &st);
qi = malloc(sizeof(struct smb_query_info) + 64);
memset(qi, 0, sizeof(qi) + 64);
qi->info_type = 0x9009c;
qi->file_info_class = 0;
qi->additional_information = 0;
qi->input_buffer_length = 64;
qi->flags = PASSTHRU_FSCTL;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_objidbuf((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_getcompression(uint8_t *sd)
{
uint16_t u16;
memcpy(&u16, &sd[0], 2);
u16 = le16toh(u16);
printf("Compression: ");
switch (u16) {
case 0:
printf("(0) NONE\n");
break;
case 2:
printf("(2) LZNT1\n");
break;
default:
printf("(%d) UNKNOWN\n", u16);
break;
}
}
static void
getcompression(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 2);
memset(qi, 0, sizeof(qi) + 2);
qi->info_type = 0x9003c;
qi->file_info_class = 0;
qi->additional_information = 0;
qi->input_buffer_length = 2;
qi->flags = PASSTHRU_FSCTL;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_getcompression((uint8_t *)(&qi[1]));
free(qi);
}
static void
setcompression(int f, uint16_t level)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 2);
memset(qi, 0, sizeof(qi) + 2);
qi->info_type = 0x9c040;
qi->file_info_class = 0;
qi->additional_information = 0;
qi->output_buffer_length = 2;
qi->flags = PASSTHRU_FSCTL;
level = htole16(level);
memcpy(&qi[1], &level, 2);
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
free(qi);
}
static void
print_fileaccessinfo(uint8_t *sd, int type)
{
uint32_t access_flags;
memcpy(&access_flags, &sd[0], 4);
access_flags = le32toh(access_flags);
if (type == S_IFDIR) {
printf("Directory access flags 0x%08x: ", access_flags);
print_bits(access_flags, directory_access_mask);
} else {
printf("File/Printer access flags 0x%08x: ", access_flags);
print_bits(access_flags, file_access_mask);
}
printf("\n");
}
static void
fileaccessinfo(int f)
{
struct smb_query_info *qi;
struct stat st;
fstat(f, &st);
qi = malloc(sizeof(struct smb_query_info) + 4);
memset(qi, 0, sizeof(qi) + 4);
qi->info_type = 0x01;
qi->file_info_class = 8;
qi->additional_information = 0;
qi->input_buffer_length = 4;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_fileaccessinfo((uint8_t *)(&qi[1]), st.st_mode & S_IFMT);
free(qi);
}
static void
print_filealigninfo(uint8_t *sd)
{
uint32_t mask;
memcpy(&mask, &sd[0], 4);
mask = le32toh(mask);
printf("File alignment: ");
if (mask == 0)
printf("BYTE_ALIGNMENT");
else if (mask == 1)
printf("WORD_ALIGNMENT");
else if (mask == 3)
printf("LONG_ALIGNMENT");
else if (mask == 7)
printf("QUAD_ALIGNMENT");
else if (mask == 15)
printf("OCTA_ALIGNMENT");
else if (mask == 31)
printf("32_bit_ALIGNMENT");
else if (mask == 63)
printf("64_bit_ALIGNMENT");
else if (mask == 127)
printf("128_bit_ALIGNMENT");
else if (mask == 255)
printf("254_bit_ALIGNMENT");
else if (mask == 511)
printf("512_bit_ALIGNMENT");
printf("\n");
}
static void
filealigninfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 4);
memset(qi, 0, sizeof(qi) + 4);
qi->info_type = 0x01;
qi->file_info_class = 17;
qi->additional_information = 0;
qi->input_buffer_length = 4;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filealigninfo((uint8_t *)(&qi[1]));
free(qi);
}
struct bit_string file_attributes_mask[] = {
{ 0x00000001, "READ_ONLY" },
{ 0x00000002, "HIDDEN" },
{ 0x00000004, "SYSTEM" },
{ 0x00000010, "DIRECTORY" },
{ 0x00000020, "ARCHIVE" },
{ 0x00000080, "NORMAL" },
{ 0x00000100, "TEMPORARY" },
{ 0x00000200, "SPARSE_FILE" },
{ 0x00000400, "REPARSE_POINT" },
{ 0x00000800, "COMPRESSED" },
{ 0x00001000, "OFFLINE" },
{ 0x00002000, "NOT_CONTENT_INDEXED" },
{ 0x00004000, "ENCRYPTED" },
{ 0x00008000, "INTEGRITY_STREAM" },
{ 0x00020000, "NO_SCRUB_DATA" },
{ 0, NULL }
};
static void
print_filebasicinfo(uint8_t *sd)
{
struct timeval tv;
uint64_t u64;
uint32_t u32;
memcpy(&u64, &sd[0], 8);
win_to_timeval(le64toh(u64), &tv);
printf("Creation Time %s", ctime(&tv.tv_sec));
memcpy(&u64, &sd[8], 8);
win_to_timeval(le64toh(u64), &tv);
printf("Last Access Time %s", ctime(&tv.tv_sec));
memcpy(&u64, &sd[16], 8);
win_to_timeval(le64toh(u64), &tv);
printf("Last Write Time %s", ctime(&tv.tv_sec));
memcpy(&u64, &sd[24], 8);
win_to_timeval(le64toh(u64), &tv);
printf("Last Change Time %s", ctime(&tv.tv_sec));
memcpy(&u32, &sd[32], 4);
u32 = le32toh(u32);
printf("File Attributes 0x%08x: ", u32);
print_bits(u32, file_attributes_mask);
printf("\n");
}
static void
filebasicinfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 40);
memset(qi, 0, sizeof(qi) + 40);
qi->info_type = 0x01;
qi->file_info_class = 4;
qi->additional_information = 0;
qi->input_buffer_length = 40;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filebasicinfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_filestandardinfo(uint8_t *sd)
{
uint64_t u64;
uint32_t u32;
memcpy(&u64, &sd[0], 8);
printf("Allocation Size %" PRIu64 "\n", le64toh(u64));
memcpy(&u64, &sd[8], 8);
printf("End Of File %" PRIu64 "\n", le64toh(u64));
memcpy(&u32, &sd[16], 4);
printf("Number Of Links %" PRIu32 "\n", le32toh(u32));
printf("Delete Pending %d\n", sd[20]);
printf("Delete Directory %d\n", sd[21]);
}
static void
filestandardinfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 24);
memset(qi, 0, sizeof(qi) + 24);
qi->info_type = 0x01;
qi->file_info_class = 5;
qi->additional_information = 0;
qi->input_buffer_length = 24;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filestandardinfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_fileinternalinfo(uint8_t *sd)
{
uint64_t u64;
memcpy(&u64, &sd[0], 8);
printf("Index Number %" PRIu64 "\n", le64toh(u64));
}
static void
fileinternalinfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 8);
memset(qi, 0, sizeof(qi) + 8);
qi->info_type = 0x01;
qi->file_info_class = 6;
qi->additional_information = 0;
qi->input_buffer_length = 8;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_fileinternalinfo((uint8_t *)(&qi[1]));
free(qi);
}
struct bit_string file_mode_mask[] = {
{ 0x00000002, "WRITE_THROUGH" },
{ 0x00000004, "SEQUENTIAL_ONLY" },
{ 0x00000008, "NO_INTERMEDIATE_BUFFERING" },
{ 0x00000010, "SYNCHRONOUS_IO_ALERT" },
{ 0x00000020, "SYNCHRONOUS_IO_NONALERT" },
{ 0x00001000, "DELETE_ON_CLOSE" },
{ 0, NULL }
};
static void
print_filemodeinfo(uint8_t *sd)
{
uint32_t u32;
memcpy(&u32, &sd[32], 4);
u32 = le32toh(u32);
printf("Mode 0x%08x: ", u32);
print_bits(u32, file_mode_mask);
printf("\n");
}
static void
filemodeinfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 4);
memset(qi, 0, sizeof(qi) + 4);
qi->info_type = 0x01;
qi->file_info_class = 16;
qi->additional_information = 0;
qi->input_buffer_length = 4;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filemodeinfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_filepositioninfo(uint8_t *sd)
{
uint64_t u64;
memcpy(&u64, &sd[0], 8);
printf("Current Byte Offset %" PRIu64 "\n", le64toh(u64));
}
static void
filepositioninfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 8);
memset(qi, 0, sizeof(qi) + 8);
qi->info_type = 0x01;
qi->file_info_class = 14;
qi->additional_information = 0;
qi->input_buffer_length = 8;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filepositioninfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_fileeainfo(uint8_t *sd)
{
uint32_t u32;
memcpy(&u32, &sd[0], 4);
printf("Ea Size %" PRIu32 "\n", le32toh(u32));
}
static void
fileeainfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 4);
memset(qi, 0, sizeof(qi) + 4);
qi->info_type = 0x01;
qi->file_info_class = 7;
qi->additional_information = 0;
qi->input_buffer_length = 4;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_fileeainfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
print_filefullsizeinfo(uint8_t *sd)
{
uint32_t u32;
uint64_t u64;
memcpy(&u64, &sd[0], 8);
printf("Total Allocation Units: %" PRIu64 "\n", le64toh(u64));
memcpy(&u64, &sd[8], 8);
printf("Caller Available Allocation Units: %" PRIu64 "\n",
le64toh(u64));
memcpy(&u64, &sd[16], 8);
printf("Actual Available Allocation Units: %" PRIu64 "\n",
le64toh(u64));
memcpy(&u32, &sd[24], 4);
printf("Sectors Per Allocation Unit: %" PRIu32 "\n", le32toh(u32));
memcpy(&u32, &sd[28], 4);
printf("Bytes Per Sector: %" PRIu32 "\n", le32toh(u32));
}
static void
filefsfullsizeinfo(int f)
{
struct smb_query_info *qi;
qi = malloc(sizeof(struct smb_query_info) + 32);
memset(qi, 0, sizeof(qi) + 32);
qi->info_type = 0x02;
qi->file_info_class = 7;
qi->additional_information = 0;
qi->input_buffer_length = 32;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filefullsizeinfo((uint8_t *)(&qi[1]));
free(qi);
}
static void
fileallinfo(int f)
{
struct smb_query_info *qi;
struct stat st;
fstat(f, &st);
qi = malloc(sizeof(struct smb_query_info) + INPUT_BUFFER_LENGTH);
memset(qi, 0, sizeof(qi) + INPUT_BUFFER_LENGTH);
qi->info_type = 0x01;
qi->file_info_class = 18;
qi->additional_information = 0;
qi->input_buffer_length = INPUT_BUFFER_LENGTH;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_filebasicinfo((uint8_t *)(&qi[1]));
print_filestandardinfo((uint8_t *)(&qi[1]) + 40);
print_fileinternalinfo((uint8_t *)(&qi[1]) + 64);
print_fileeainfo((uint8_t *)(&qi[1]) + 72);
print_fileaccessinfo((uint8_t *)(&qi[1]) + 76, st.st_mode & S_IFMT);
print_filepositioninfo((uint8_t *)(&qi[1]) + 80);
print_filemodeinfo((uint8_t *)(&qi[1]) + 88);
print_filealigninfo((uint8_t *)(&qi[1]) + 92);
// SMB2 servers like Win16 does not seem to return name info
free(qi);
}
static void
print_sid(unsigned char *sd)
{
int i;
uint32_t subauth;
uint64_t idauth;
if (sd[0] != 1) {
fprintf(stderr, "Unknown SID revision\n");
return;
}
idauth = 0;
for (i = 0; i < 6; i++)
idauth = (idauth << 8) | sd[2 + i];
printf("S-1-%" PRIu64, idauth);
for (i = 0; i < sd[1]; i++) {
memcpy(&subauth, &sd[8 + 4 * i], 4);
subauth = le32toh(subauth);
printf("-%u", subauth);
}
}
static void
print_ace_type(uint8_t t)
{
switch(t) {
case 0x00: printf("ALLOWED"); break;
case 0x01: printf("DENIED"); break;
case 0x02: printf("AUDIT"); break;
case 0x03: printf("ALARM"); break;
case 0x04: printf("ALLOWED_COMPOUND"); break;
case 0x05: printf("ALLOWED_OBJECT"); break;
case 0x06: printf("DENIED_OBJECT"); break;
case 0x07: printf("AUDIT_OBJECT"); break;
case 0x08: printf("ALARM_OBJECT"); break;
case 0x09: printf("ALLOWED_CALLBACK"); break;
case 0x0a: printf("DENIED_CALLBACK"); break;
case 0x0b: printf("ALLOWED_CALLBACK_OBJECT"); break;
case 0x0c: printf("DENIED_CALLBACK_OBJECT"); break;
case 0x0d: printf("AUDIT_CALLBACK"); break;
case 0x0e: printf("ALARM_CALLBACK"); break;
case 0x0f: printf("AUDIT_CALLBACK_OBJECT"); break;
case 0x10: printf("ALARM_CALLBACK_OBJECT"); break;
case 0x11: printf("MANDATORY_LABEL"); break;
case 0x12: printf("RESOURCE_ATTRIBUTE"); break;
case 0x13: printf("SCOPED_POLICY_ID"); break;
default: printf("<UNKNOWN>");
}
printf(" ");
}
struct bit_string ace_flags_mask[] = {
{ 0x80, "FAILED_ACCESS" },
{ 0x40, "SUCCESSFUL_ACCESS" },
{ 0x10, "INHERITED" },
{ 0x08, "INHERIT_ONLY" },
{ 0x04, "NO_PROPAGATE_INHERIT" },
{ 0x02, "CONTAINER_INHERIT" },
{ 0x01, "OBJECT_INHERIT" },
{ 0, NULL }
};
static void
print_mask_sid_ace(unsigned char *sd, int type)
{
uint32_t u32;
memcpy(&u32, &sd[0], 4);
printf("Mask:0x%08x ", le32toh(u32));
if (type == S_IFDIR)
print_bits(le32toh(u32), directory_access_mask);
else
print_bits(le32toh(u32), file_access_mask);
printf("SID:");
print_sid(&sd[4]);
printf("\n");
}
static int
print_ace(unsigned char *sd, int type)
{
uint16_t size;
int i;
printf("Type:0x%02x ", sd[0]);
if (verbose) {
print_ace_type(sd[0]);
}
printf("Flags:0x%02x ", sd[1]);
print_bits(sd[1], ace_flags_mask);
memcpy(&size, &sd[2], 2);
size = le16toh(size);
switch (sd[0]) {
case 0x00:
case 0x01:
case 0x02:
print_mask_sid_ace(&sd[4], type);
break;
default:
for (i = 0; i < size; i++)
printf("%02x", sd[4 + i]);
}
printf("\n");
return size;
}
static void
print_acl(unsigned char *sd, int type)
{
int i, off;
uint16_t count;
if ((sd[0] != 2) && (sd[0] != 4)) {
fprintf(stderr, "Unknown ACL revision\n");
return;
}
memcpy(&count, &sd[4], 2);
count = le16toh(count);
off = 8;
for (i = 0; i < count; i++)
off += print_ace(&sd[off], type);
}
struct bit_string control_bits_mask[] = {
{ 0x8000, "SR" },
{ 0x4000, "RM" },
{ 0x2000, "PS" },
{ 0x1000, "PD" },
{ 0x0800, "SI" },
{ 0x0400, "DI" },
{ 0x0200, "SC" },
{ 0x0100, "DC" },
{ 0x0080, "DT" },
{ 0x0040, "SS" },
{ 0x0020, "SD" },
{ 0x0010, "SP" },
{ 0x0008, "DD" },
{ 0x0004, "DP" },
{ 0x0002, "GD" },
{ 0x0001, "OD" },
{ 0, NULL }
};
static void
print_control(uint16_t c)
{
printf("Control: 0x%04x ", c);
print_bits(c, control_bits_mask);
printf("\n");
}
static void
print_sd(uint8_t *sd, int type)
{
int offset_owner, offset_group, offset_dacl;
uint16_t u16;
printf("Revision:%d\n", sd[0]);
if (sd[0] != 1) {
fprintf(stderr, "Unknown SD revision\n");
exit(1);
}
memcpy(&u16, &sd[2], 2);
print_control(le16toh(u16));
memcpy(&offset_owner, &sd[4], 4);
offset_owner = le32toh(offset_owner);
memcpy(&offset_group, &sd[8], 4);
offset_group = le32toh(offset_group);
memcpy(&offset_dacl, &sd[16], 4);
offset_dacl = le32toh(offset_dacl);
if (offset_owner) {
printf("Owner: ");
print_sid(&sd[offset_owner]);
printf("\n");
}
if (offset_group) {
printf("Group: ");
print_sid(&sd[offset_group]);
printf("\n");
}
if (offset_dacl) {
printf("DACL:\n");
print_acl(&sd[offset_dacl], type);
}
}
static void
secdesc(int f)
{
struct smb_query_info *qi;
struct stat st;
fstat(f, &st);
qi = malloc(sizeof(struct smb_query_info) + INPUT_BUFFER_LENGTH);
memset(qi, 0, sizeof(qi) + INPUT_BUFFER_LENGTH);
qi->info_type = 0x03;
qi->file_info_class = 0;
qi->additional_information = 0x00000007; /* Owner, Group, Dacl */
qi->input_buffer_length = INPUT_BUFFER_LENGTH;
if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
exit(1);
}
print_sd((uint8_t *)(&qi[1]), st.st_mode & S_IFMT);
free(qi);
}
static void
print_quota(unsigned char *sd)
{
uint32_t u32, neo;
uint64_t u64;
struct timeval tv;
int i, off = 0;
one_more:
memcpy(&u32, &sd[off], 4);
neo = le32toh(u32);
memcpy(&u32, &sd[off + 4], 4);
u32 = le32toh(u32);
printf("SID Length %d\n", u32);
memcpy(&u64, &sd[off + 8], 8);
win_to_timeval(le64toh(u64), &tv);
printf("Change Time %s", ctime(&tv.tv_sec));
memcpy(&u64, &sd[off + 16], 8);
u64 = le32toh(u64);
printf("Quota Used %" PRIu64 "\n", u64);
memcpy(&u64, &sd[off + 24], 8);
u64 = le64toh(u64);