#include "includes.h"
#include "include/libsmb_internal.h"
#define SMBC_XATTR_MODE_ADD 1
#define SMBC_XATTR_MODE_REMOVE 2
#define SMBC_XATTR_MODE_REMOVE_ALL 3
#define SMBC_XATTR_MODE_SET 4
#define SMBC_XATTR_MODE_CHOWN 5
#define SMBC_XATTR_MODE_CHGRP 6
#define CREATE_ACCESS_READ READ_CONTROL_ACCESS
#ifndef ENOTSUP
#define ENOTSUP EOPNOTSUPP
#endif
int smbc_default_cache_functions(SMBCCTX *context);
static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
if (!p || !list) return False;
do {
if (p == list) return True;
list = list->next;
} while (list);
return False;
}
extern BOOL in_client;
static int smbc_initialized = 0;
static int
hex2int( unsigned int _char )
{
if ( _char >= 'A' && _char <='F')
return _char - 'A' + 10;
if ( _char >= 'a' && _char <='f')
return _char - 'a' + 10;
if ( _char >= '0' && _char <='9')
return _char - '0';
return -1;
}
static void
decode_urlpart(char *segment, size_t sizeof_segment)
{
int old_length = strlen(segment);
int new_length = 0;
int new_length2 = 0;
int i = 0;
pstring new_segment;
char *new_usegment = 0;
if ( !old_length ) {
return;
}
new_usegment = (char*)SMB_MALLOC( old_length * 3 + 1 );
while( i < old_length ) {
int bReencode = False;
unsigned char character = segment[ i++ ];
if ((character <= ' ') || (character > 127))
bReencode = True;
new_usegment [ new_length2++ ] = character;
if (character == '%' ) {
int a = i+1 < old_length ? hex2int( segment[i] ) : -1;
int b = i+1 < old_length ? hex2int( segment[i+1] ) : -1;
if ((a == -1) || (b == -1)) {
bReencode = True;
} else {
character = a * 16 + b;
if (!character)
break;
new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
}
}
if (bReencode) {
unsigned int c = character / 16;
new_length2--;
new_usegment [ new_length2++ ] = '%';
c += (c > 9) ? ('A' - 10) : '0';
new_usegment[ new_length2++ ] = c;
c = character % 16;
c += (c > 9) ? ('A' - 10) : '0';
new_usegment[ new_length2++ ] = c;
}
new_segment [ new_length++ ] = character;
}
new_segment [ new_length ] = 0;
free(new_usegment);
pull_utf8_allocate(&new_usegment, new_segment);
strncpy(segment, new_usegment, sizeof_segment);
free(new_usegment);
}
static const char *smbc_prefix = "smb:";
static int
smbc_parse_path(SMBCCTX *context,
const char *fname,
char *server, int server_len,
char *share, int share_len,
char *path, int path_len,
char *user, int user_len,
char *password, int password_len,
char *options, int options_len)
{
static pstring s;
pstring userinfo;
const char *p;
char *q, *r;
int len;
server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
if (options != NULL && options_len > 0) {
options[0] = (char)0;
}
pstrcpy(s, fname);
len = strlen(smbc_prefix);
if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
return -1;
}
p = s + len;
if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
DEBUG(1, ("Invalid path (does not begin with smb://"));
return -1;
}
p += 2;
if ( (q = strrchr(p, '?')) != NULL ) {
*q++ = '\0';
DEBUG(4, ("Found options '%s'", q));
if (options != NULL && options_len > 0) {
safe_strcpy(options, q, options_len - 1);
}
}
if (*p == (char)0)
goto decoding;
if (*p == '/') {
strncpy(server, context->workgroup,
(strlen(context->workgroup) < 16)?strlen(context->workgroup):16);
return 0;
}
q = strchr_m(p, '@');
r = strchr_m(p, '/');
if (q && (!r || q < r)) {
pstring username, passwd, domain;
const char *u = userinfo;
next_token(&p, userinfo, "@", sizeof(fstring));
username[0] = passwd[0] = domain[0] = 0;
if (strchr_m(u, ';')) {
next_token(&u, domain, ";", sizeof(fstring));
}
if (strchr_m(u, ':')) {
next_token(&u, username, ":", sizeof(fstring));
pstrcpy(passwd, u);
}
else {
pstrcpy(username, u);
}
if (username[0])
strncpy(user, username, user_len);
if (passwd[0])
strncpy(password, passwd, password_len);
}
if (!next_token(&p, server, "/", sizeof(fstring))) {
return -1;
}
if (*p == (char)0) goto decoding;
if (!next_token(&p, share, "/", sizeof(fstring))) {
return -1;
}
safe_strcpy(path, p, path_len - 1);
all_string_sub(path, "/", "\\", 0);
decoding:
decode_urlpart(path, path_len);
decode_urlpart(server, server_len);
decode_urlpart(share, share_len);
decode_urlpart(user, user_len);
decode_urlpart(password, password_len);
return 0;
}
static int smbc_check_options(char *server, char *share, char *path, char *options)
{
DEBUG(4, ("smbc_check_options(): server='%s' share='%s' path='%s' options='%s'\n", server, share, path, options));
if (! *options) return 0;
if ((*server || *share || *path) && *options) {
DEBUG(1, ("Found unsupported options (%s) with non-empty server, share, or path\n", options));
return -1;
}
if (strcmp(options, "mb=.any") != 0 &&
strcmp(options, "mb=.all") != 0) {
DEBUG(1, ("Found unsupported options (%s)\n", options));
return -1;
}
return 0;
}
static int smbc_errno(SMBCCTX *context, struct cli_state *c)
{
int ret = cli_errno(c);
if (cli_is_dos_error(c)) {
uint8 eclass;
uint32 ecode;
cli_dos_error(c, &eclass, &ecode);
DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
(int)eclass, (int)ecode, (int)ecode, ret));
} else {
NTSTATUS status;
status = cli_nt_error(c);
DEBUG(3,("smbc errno %s -> %d\n",
nt_errstr(status), ret));
}
return ret;
}
int smbc_check_server(SMBCCTX * context, SMBCSRV * server)
{
if ( send_keepalive(server->cli.fd) == False )
return 1;
return 0;
}
int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv)
{
SMBCFILE * file;
if (!context || !context->internal ||
!context->internal->_initialized || !srv) return 1;
for (file = context->internal->_files; file; file=file->next) {
if (file->srv == srv) {
DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n",
srv, file));
return 1;
}
}
DLIST_REMOVE(context->internal->_servers, srv);
cli_shutdown(&srv->cli);
DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
context->callbacks.remove_cached_srv_fn(context, srv);
SAFE_FREE(srv);
return 0;
}
SMBCSRV *find_server(SMBCCTX *context,
const char *server,
const char *share,
fstring workgroup,
fstring username,
fstring password)
{
SMBCSRV *srv;
int auth_called = 0;
check_server_cache:
srv = context->callbacks.get_cached_srv_fn(context, server, share,
workgroup, username);
if (!auth_called && !srv && (!username[0] || !password[0])) {
context->callbacks.auth_fn(server, share,
workgroup, sizeof(fstring),
username, sizeof(fstring),
password, sizeof(fstring));
auth_called = 1;
goto check_server_cache;
}
if (srv) {
if (context->callbacks.check_server_fn(context, srv)) {
if (context->callbacks.remove_unused_server_fn(context,
srv)) {
context->callbacks.remove_cached_srv_fn(context,
srv);
}
goto check_server_cache;
}
return srv;
}
return NULL;
}
SMBCSRV *smbc_server(SMBCCTX *context,
const char *server, const char *share,
fstring workgroup, fstring username,
fstring password)
{
SMBCSRV *srv=NULL;
struct cli_state c;
struct nmb_name called, calling;
const char *server_n = server;
pstring ipenv;
struct in_addr ip;
int tried_reverse = 0;
zero_ip(&ip);
ZERO_STRUCT(c);
if (server[0] == 0) {
errno = EPERM;
return NULL;
}
srv = find_server(context, server, share,
workgroup, username, password);
if (srv)
return srv;
make_nmb_name(&calling, context->netbios_name, 0x0);
make_nmb_name(&called , server, 0x20);
DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
#if 0
if ((p=strchr_m(server_n,'#')) &&
(strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) {
fstrcpy(group, server_n);
p = strchr_m(group,'#');
*p = 0;
}
#endif
DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
again:
slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
zero_ip(&ip);
if (!cli_initialise(&c)) {
errno = ENOMEM;
return NULL;
}
c.timeout = context->timeout;
c.port = 139;
if (!cli_connect(&c, server_n, &ip)) {
c.port = 445;
if (!cli_connect(&c, server_n, &ip)) {
cli_shutdown(&c);
errno = ENETUNREACH;
return NULL;
}
}
if (!cli_session_request(&c, &calling, &called)) {
cli_shutdown(&c);
if (strcmp(called.name, "*SMBSERVER")) {
make_nmb_name(&called , "*SMBSERVER", 0x20);
goto again;
}
else {
if (is_ipaddress(server) && !tried_reverse) {
fstring remote_name;
struct in_addr rem_ip;
if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
errno = ENOENT;
return NULL;
}
tried_reverse++;
if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
make_nmb_name(&called, remote_name, 0x20);
goto again;
}
}
}
errno = ENOENT;
return NULL;
}
DEBUG(4,(" session request ok\n"));
if (!cli_negprot(&c)) {
cli_shutdown(&c);
errno = ENOENT;
return NULL;
}
if (!cli_session_setup(&c, username,
password, strlen(password),
password, strlen(password),
workgroup) &&
!cli_session_setup(&c, "", "", 1,"", 0, workgroup)) {
cli_shutdown(&c);
errno = EPERM;
return NULL;
}
DEBUG(4,(" session setup ok\n"));
if (!cli_send_tconX(&c, share, "?????",
password, strlen(password)+1)) {
errno = smbc_errno(context, &c);
cli_shutdown(&c);
return NULL;
}
DEBUG(4,(" tconx ok\n"));
srv = SMB_MALLOC_P(SMBCSRV);
if (!srv) {
errno = ENOMEM;
goto failed;
}
ZERO_STRUCTP(srv);
srv->cli = c;
srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
errno = 0;
if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
int saved_errno = errno;
DEBUG(3, (" Failed to add server to cache\n"));
errno = saved_errno;
if (errno == 0) {
errno = ENOMEM;
}
goto failed;
}
DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
server, share, srv));
DLIST_ADD(context->internal->_servers, srv);
return srv;
failed:
cli_shutdown(&c);
if (!srv) return NULL;
SAFE_FREE(srv);
return NULL;
}
SMBCSRV *smbc_attr_server(SMBCCTX *context,
const char *server, const char *share,
fstring workgroup,
fstring username, fstring password,
POLICY_HND *pol)
{
struct in_addr ip;
struct cli_state *ipc_cli;
NTSTATUS nt_status;
SMBCSRV *ipc_srv=NULL;
ipc_srv = find_server(context, server, "IPC$$",
workgroup, username, password);
if (!ipc_srv) {
if (*password == '\0') {
context->callbacks.auth_fn(server, share,
workgroup, sizeof(fstring),
username, sizeof(fstring),
password, sizeof(fstring));
}
zero_ip(&ip);
nt_status = cli_full_connection(&ipc_cli,
global_myname(), server,
&ip, 0, "IPC$", "?????",
username, workgroup,
password, 0,
Undefined, NULL);
if (! NT_STATUS_IS_OK(nt_status)) {
DEBUG(1,("cli_full_connection failed! (%s)\n",
nt_errstr(nt_status)));
errno = ENOTSUP;
return NULL;
}
if (!cli_nt_session_open(ipc_cli, PI_LSARPC)) {
DEBUG(1, ("cli_nt_session_open fail!\n"));
errno = ENOTSUP;
cli_shutdown(ipc_cli);
return NULL;
}
nt_status = cli_lsa_open_policy(ipc_cli,
ipc_cli->mem_ctx,
True,
GENERIC_EXECUTE_ACCESS,
pol);
if (!NT_STATUS_IS_OK(nt_status)) {
errno = smbc_errno(context, ipc_cli);
cli_shutdown(ipc_cli);
return NULL;
}
ipc_srv = SMB_MALLOC_P(SMBCSRV);
if (!ipc_srv) {
errno = ENOMEM;
cli_shutdown(ipc_cli);
return NULL;
}
ZERO_STRUCTP(ipc_srv);
ipc_srv->cli = *ipc_cli;
free(ipc_cli);
errno = 0;
if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
server,
"IPC$$",
workgroup,
username)) {
DEBUG(3, (" Failed to add server to cache\n"));
if (errno == 0) {
errno = ENOMEM;
}
cli_shutdown(&ipc_srv->cli);
free(ipc_srv);
return NULL;
}
DLIST_ADD(context->internal->_servers, ipc_srv);
}
return ipc_srv;
}
static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode)
{
fstring server, share, user, password, workgroup;
pstring path;
SMBCSRV *srv = NULL;
SMBCFILE *file = NULL;
int fd;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return NULL;
}
if (!fname) {
errno = EINVAL;
return NULL;
}
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return NULL;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
if (errno == EPERM) errno = EACCES;
return NULL;
}
if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
fd = -1;
}
else {
file = SMB_MALLOC_P(SMBCFILE);
if (!file) {
errno = ENOMEM;
return NULL;
}
ZERO_STRUCTP(file);
if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
SAFE_FREE(file);
errno = smbc_errno(context, &srv->cli);
return NULL;
}
file->cli_fd = fd;
file->fname = SMB_STRDUP(fname);
file->srv = srv;
file->offset = 0;
file->file = True;
DLIST_ADD(context->internal->_files, file);
return file;
}
if (fd == -1) {
int eno = 0;
eno = smbc_errno(context, &srv->cli);
file = context->opendir(context, fname);
if (!file) errno = eno;
return file;
}
errno = EINVAL;
return NULL;
}
static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC;
static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode)
{
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return NULL;
}
return smbc_open_ctx(context, path, creat_bits, mode);
}
static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
{
int ret;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
errno = EBADF;
return -1;
}
if (buf == NULL) {
errno = EINVAL;
return -1;
}
ret = cli_read(&file->srv->cli, file->cli_fd, buf, file->offset, count);
if (ret < 0) {
errno = smbc_errno(context, &file->srv->cli);
return -1;
}
file->offset += ret;
DEBUG(4, (" --> %d\n", ret));
return ret;
}
static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
{
int ret;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
errno = EBADF;
return -1;
}
if (buf == NULL) {
errno = EINVAL;
return -1;
}
ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, file->offset, count);
if (ret <= 0) {
errno = smbc_errno(context, &file->srv->cli);
return -1;
}
file->offset += ret;
return ret;
}
static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file)
{
SMBCSRV *srv;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
errno = EBADF;
return -1;
}
if (!file->file) {
return context->closedir(context, file);
}
if (!cli_close(&file->srv->cli, file->cli_fd)) {
DEBUG(3, ("cli_close failed on %s. purging server.\n",
file->fname));
errno = smbc_errno(context, &file->srv->cli);
srv = file->srv;
DLIST_REMOVE(context->internal->_files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
context->callbacks.remove_unused_server_fn(context, srv);
return -1;
}
DLIST_REMOVE(context->internal->_files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
return 0;
}
static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path,
uint16 *mode, size_t *size,
time_t *c_time, time_t *a_time, time_t *m_time,
SMB_INO_T *ino)
{
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
if (!srv->no_pathinfo2 &&
cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
size, mode, ino)) return True;
if (srv->cli.capabilities & CAP_NT_SMBS) {
errno = EPERM;
return False;
}
if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
a_time = c_time = m_time;
srv->no_pathinfo2 = True;
return True;
}
errno = EPERM;
return False;
}
static int smbc_unlink_ctx(SMBCCTX *context, const char *fname)
{
fstring server, share, user, password, workgroup;
pstring path;
SMBCSRV *srv = NULL;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (!cli_unlink(&srv->cli, path)) {
errno = smbc_errno(context, &srv->cli);
if (errno == EACCES) {
int saverr = errno;
size_t size = 0;
uint16 mode = 0;
time_t m_time = 0, a_time = 0, c_time = 0;
SMB_INO_T ino = 0;
if (!smbc_getatr(context, srv, path, &mode, &size,
&c_time, &a_time, &m_time, &ino)) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
else {
if (IS_DOS_DIR(mode))
errno = EISDIR;
else
errno = saverr;
}
}
return -1;
}
return 0;
}
static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname,
SMBCCTX *ncontext, const char *nname)
{
fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
pstring path1, path2;
SMBCSRV *srv = NULL;
if (!ocontext || !ncontext ||
!ocontext->internal || !ncontext->internal ||
!ocontext->internal->_initialized ||
!ncontext->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!oname || !nname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
smbc_parse_path(ocontext, oname,
server1, sizeof(server1),
share1, sizeof(share1),
path1, sizeof(path1),
user1, sizeof(user1),
password1, sizeof(password1),
NULL, 0);
if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
smbc_parse_path(ncontext, nname,
server2, sizeof(server2),
share2, sizeof(share2),
path2, sizeof(path2),
user2, sizeof(user2),
password2, sizeof(password2),
NULL, 0);
if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
if (strcmp(server1, server2) || strcmp(share1, share2) ||
strcmp(user1, user2)) {
errno = EXDEV;
return -1;
}
fstrcpy(workgroup, ocontext->workgroup);
srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1);
if (!srv) {
return -1;
}
if (!cli_rename(&srv->cli, path1, path2)) {
int eno = smbc_errno(ocontext, &srv->cli);
if (eno != EEXIST ||
!cli_unlink(&srv->cli, path2) ||
!cli_rename(&srv->cli, path1, path2)) {
errno = eno;
return -1;
}
}
return 0;
}
static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence)
{
size_t size;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
errno = EBADF;
return -1;
}
if (!file->file) {
errno = EINVAL;
return -1;
}
switch (whence) {
case SEEK_SET:
file->offset = offset;
break;
case SEEK_CUR:
file->offset += offset;
break;
case SEEK_END:
if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
NULL, NULL, NULL))
{
SMB_BIG_UINT b_size = size;
if (!cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &b_size, NULL, NULL,
NULL))
{
errno = EINVAL;
return -1;
} else
size = b_size;
}
file->offset = size + offset;
break;
default:
errno = EINVAL;
break;
}
return file->offset;
}
static
ino_t smbc_inode(SMBCCTX *context, const char *name)
{
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!*name) return 2;
return (ino_t)str_checksum(name);
}
static
int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname, size_t size, int mode)
{
st->st_mode = 0;
if (IS_DOS_DIR(mode)) {
st->st_mode = SMBC_DIR_MODE;
} else {
st->st_mode = SMBC_FILE_MODE;
}
if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
st->st_size = size;
#ifdef HAVE_STAT_ST_BLKSIZE
st->st_blksize = 512;
#endif
#ifdef HAVE_STAT_ST_BLOCKS
st->st_blocks = (size+511)/512;
#endif
st->st_uid = getuid();
st->st_gid = getgid();
if (IS_DOS_DIR(mode)) {
st->st_nlink = 2;
} else {
st->st_nlink = 1;
}
if (st->st_ino == 0) {
st->st_ino = smbc_inode(context, fname);
}
return True;
}
static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
time_t m_time = 0, a_time = 0, c_time = 0;
size_t size = 0;
uint16 mode = 0;
SMB_INO_T ino = 0;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_stat(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (!smbc_getatr(context, srv, path, &mode, &size,
&c_time, &a_time, &m_time, &ino)) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
st->st_ino = ino;
smbc_setup_stat(context, st, path, size, mode);
st->st_atime = a_time;
st->st_ctime = c_time;
st->st_mtime = m_time;
st->st_dev = srv->dev;
return 0;
}
static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st)
{
time_t c_time, a_time, m_time;
size_t size;
uint16 mode;
SMB_INO_T ino = 0;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
errno = EBADF;
return -1;
}
if (!file->file) {
return context->fstatdir(context, file, st);
}
if (!cli_qfileinfo(&file->srv->cli, file->cli_fd,
&mode, &size, &c_time, &a_time, &m_time, NULL, &ino)) {
SMB_BIG_UINT b_size = size;
if (!cli_getattrE(&file->srv->cli, file->cli_fd,
&mode, &b_size, &c_time, &a_time, &m_time)) {
errno = EINVAL;
return -1;
} else
size = b_size;
}
st->st_ino = ino;
smbc_setup_stat(context, st, file->fname, size, mode);
st->st_atime = a_time;
st->st_ctime = c_time;
st->st_mtime = m_time;
st->st_dev = file->srv->dev;
return 0;
}
static void smbc_remove_dir(SMBCFILE *dir)
{
struct smbc_dir_list *d,*f;
d = dir->dir_list;
while (d) {
f = d; d = d->next;
SAFE_FREE(f->dirent);
SAFE_FREE(f);
}
dir->dir_list = dir->dir_end = dir->dir_next = NULL;
}
static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type)
{
struct smbc_dirent *dirent;
int size;
char *u_name = NULL, *u_comment = NULL;
size_t u_name_len = 0, u_comment_len = 0;
if (name)
u_name_len = push_utf8_allocate(&u_name, name);
if (comment)
u_comment_len = push_utf8_allocate(&u_comment, comment);
size = sizeof(struct smbc_dirent) + u_name_len + u_comment_len + 1;
dirent = SMB_MALLOC(size);
if (!dirent) {
dir->dir_error = ENOMEM;
return -1;
}
ZERO_STRUCTP(dirent);
if (dir->dir_list == NULL) {
dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
if (!dir->dir_list) {
SAFE_FREE(dirent);
dir->dir_error = ENOMEM;
return -1;
}
ZERO_STRUCTP(dir->dir_list);
dir->dir_end = dir->dir_next = dir->dir_list;
}
else {
dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
if (!dir->dir_end->next) {
SAFE_FREE(dirent);
dir->dir_error = ENOMEM;
return -1;
}
ZERO_STRUCTP(dir->dir_end->next);
dir->dir_end = dir->dir_end->next;
}
dir->dir_end->next = NULL;
dir->dir_end->dirent = dirent;
dirent->smbc_type = type;
dirent->namelen = u_name_len;
dirent->commentlen = u_comment_len;
dirent->dirlen = size;
strncpy(dirent->name, (u_name?u_name:""), dirent->namelen + 1);
dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
strncpy(dirent->comment, (u_comment?u_comment:""), dirent->commentlen + 1);
SAFE_FREE(u_comment);
SAFE_FREE(u_name);
return 0;
}
static void
list_unique_wg_fn(const char *name, uint32 type, const char *comment, void *state)
{
SMBCFILE *dir = (SMBCFILE *)state;
struct smbc_dir_list *dir_list;
struct smbc_dirent *dirent;
int dirent_type;
int remove = 0;
dirent_type = dir->dir_type;
if (add_dirent(dir, name, comment, dirent_type) < 0) {
}
dirent = dir->dir_end->dirent;
for (dir_list = dir->dir_list;
dir_list != dir->dir_end;
dir_list = dir_list->next) {
if (! remove &&
strcmp(dir_list->dirent->name, dirent->name) == 0) {
remove = 1;
}
if (remove && dir_list->next == dir->dir_end) {
dir->dir_end = dir_list;
free(dir_list->next);
dir_list->next = NULL;
break;
}
}
}
static void
list_fn(const char *name, uint32 type, const char *comment, void *state)
{
SMBCFILE *dir = (SMBCFILE *)state;
int dirent_type;
if (dir->dir_type == SMBC_FILE_SHARE) {
switch (type) {
case 0:
dirent_type = SMBC_FILE_SHARE;
break;
case 1:
dirent_type = SMBC_PRINTER_SHARE;
break;
case 2:
dirent_type = SMBC_COMMS_SHARE;
break;
case 3:
dirent_type = SMBC_IPC_SHARE;
break;
default:
dirent_type = SMBC_FILE_SHARE;
break;
}
}
else dirent_type = dir->dir_type;
if (add_dirent(dir, name, comment, dirent_type) < 0) {
}
}
static void
dir_list_fn(file_info *finfo, const char *mask, void *state)
{
if (add_dirent((SMBCFILE *)state, finfo->name, "",
(finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
}
}
static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname)
{
fstring server, share, user, password, options;
pstring workgroup;
pstring path;
SMBCSRV *srv = NULL;
SMBCFILE *dir = NULL;
struct in_addr rem_ip;
if (!context || !context->internal ||
!context->internal->_initialized) {
DEBUG(4, ("no valid context\n"));
errno = EINVAL;
return NULL;
}
if (!fname) {
DEBUG(4, ("no valid fname\n"));
errno = EINVAL;
return NULL;
}
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
options, sizeof(options))) {
DEBUG(4, ("no valid path\n"));
errno = EINVAL;
return NULL;
}
DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' path='%s' options='%s'\n", fname, server, share, path, options));
if (smbc_check_options(server, share, path, options)) {
DEBUG(4, ("unacceptable options (%s)\n", options));
errno = EINVAL;
return NULL;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
pstrcpy(workgroup, context->workgroup);
dir = SMB_MALLOC_P(SMBCFILE);
if (!dir) {
errno = ENOMEM;
return NULL;
}
ZERO_STRUCTP(dir);
dir->cli_fd = 0;
dir->fname = SMB_STRDUP(fname);
dir->srv = NULL;
dir->offset = 0;
dir->file = False;
dir->dir_list = dir->dir_next = dir->dir_end = NULL;
if (server[0] == (char)0 &&
(! *options || strcmp(options, "mb=.any") == 0)) {
struct in_addr server_ip;
if (share[0] != (char)0 || path[0] != (char)0) {
errno = EINVAL;
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
pstrcpy(workgroup, lp_workgroup());
if (!find_master_ip(workgroup, &server_ip)) {
struct user_auth_info u_info;
struct cli_state *cli;
DEBUG(4, ("Unable to find master browser for workgroup %s\n",
workgroup));
pstrcpy(u_info.username, user);
pstrcpy(u_info.password, password);
if (!(cli = get_ipc_connect_master_ip_bcast(workgroup, &u_info))) {
DEBUG(4, ("Unable to find master browser by "
"broadcast\n"));
errno = ENOENT;
return NULL;
}
fstrcpy(server, cli->desthost);
cli_shutdown(cli);
} else {
if (!name_status_find("*", 0, 0x20, server_ip, server) &&
!name_status_find(MSBROWSE, 1, 0x1b, server_ip, server)) {
errno = ENOENT;
return NULL;
}
}
DEBUG(4, ("using workgroup %s %s\n", workgroup, server));
srv = smbc_server(context, server, "IPC$", workgroup, user, password);
if (!srv) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
dir->srv = srv;
dir->dir_type = SMBC_WORKGROUP;
if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_fn,
(void *)dir)) {
DEBUG(1, ("Could not enumerate domains using '%s'\n", workgroup));
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
} else if (server[0] == (char)0 &&
(! *options || strcmp(options, "mb=.all") == 0)) {
int i;
int count;
struct ip_service *ip_list;
struct ip_service server_addr;
struct user_auth_info u_info;
struct cli_state *cli;
if (share[0] != (char)0 || path[0] != (char)0) {
errno = EINVAL;
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
pstrcpy(u_info.username, user);
pstrcpy(u_info.password, password);
if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
if (!find_master_ip(workgroup, &server_addr.ip)) {
errno = ENOENT;
return NULL;
}
ip_list = &server_addr;
count = 1;
}
for (i = 0; i < count; i++) {
DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip)));
cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, &u_info);
if ( !cli )
continue;
fstrcpy(server, cli->desthost);
cli_shutdown(cli);
DEBUG(4, ("using workgroup %s %s\n", workgroup, server));
srv = smbc_server(context, server,
"IPC$", workgroup, user, password);
if (!srv) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
dir->srv = srv;
dir->dir_type = SMBC_WORKGROUP;
if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_unique_wg_fn,
(void *)dir)) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
}
} else {
if (share[0] == (char)0) {
if (path[0] != (char)0) {
errno = EINVAL;
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
if (!is_ipaddress(server) &&
(resolve_name(server, &rem_ip, 0x1d) ||
resolve_name(server, &rem_ip, 0x1b) )) {
fstring buserver;
dir->dir_type = SMBC_SERVER;
if (!name_status_find(server, 0, 0, rem_ip, buserver)) {
DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server));
errno = EPERM;
return NULL;
}
srv = smbc_server(context, buserver, "IPC$", workgroup, user, password);
if (!srv) {
DEBUG(0, ("got no contact to IPC$\n"));
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
dir->srv = srv;
if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
(void *)dir)) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
}
else {
if (resolve_name(server, &rem_ip, 0x20)) {
dir->dir_type = SMBC_FILE_SHARE;
srv = smbc_server(context, server, "IPC$", workgroup, user, password);
if (!srv) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
dir->srv = srv;
if (cli_RNetShareEnum(&srv->cli, list_fn,
(void *)dir) < 0) {
errno = cli_errno(&srv->cli);
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
}
else {
errno = ECONNREFUSED;
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
}
}
else {
dir->dir_type = SMBC_FILE_SHARE;
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return NULL;
}
dir->srv = srv;
pstrcat(path, "\\*");
if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
(void *)dir) < 0) {
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
errno = smbc_errno(context, &srv->cli);
return NULL;
}
}
}
DLIST_ADD(context->internal->_files, dir);
return dir;
}
static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir)
{
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
errno = EBADF;
return -1;
}
smbc_remove_dir(dir);
DLIST_REMOVE(context->internal->_files, dir);
if (dir) {
SAFE_FREE(dir->fname);
SAFE_FREE(dir);
}
return 0;
}
struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir)
{
struct smbc_dirent *dirp, *dirent;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
return NULL;
}
if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
errno = EBADF;
DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
return NULL;
}
if (dir->file != False) {
errno = ENOTDIR;
DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
return NULL;
}
if (!dir->dir_next) {
return NULL;
}
else {
dirent = dir->dir_next->dirent;
if (!dirent) {
errno = ENOENT;
return NULL;
}
memcpy(context->internal->_dirent, dirent, dirent->dirlen);
dirp = (struct smbc_dirent *)context->internal->_dirent;
dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
dir->dir_next = dir->dir_next->next;
return (struct smbc_dirent *)context->internal->_dirent;
}
}
static int smbc_getdents_ctx(SMBCCTX *context, SMBCFILE *dir, struct smbc_dirent *dirp, int count)
{
struct smbc_dir_list *dirlist;
int rem = count, reqd;
char *ndir = (char *)dirp;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
errno = EBADF;
return -1;
}
if (dir->file != False) {
errno = ENOTDIR;
return -1;
}
while ((dirlist = dir->dir_next)) {
struct smbc_dirent *dirent;
if (!dirlist->dirent) {
errno = ENOENT;
return -1;
}
if (rem < (reqd = (sizeof(struct smbc_dirent) + dirlist->dirent->namelen +
dirlist->dirent->commentlen + 1))) {
if (rem < count) {
errno = 0;
return count - rem;
}
else {
errno = EINVAL;
return -1;
}
}
dirent = dirlist->dirent;
memcpy(ndir, dirent, reqd);
((struct smbc_dirent *)ndir)->comment =
(char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1);
ndir += reqd;
rem -= reqd;
dir->dir_next = dirlist = dirlist -> next;
}
if (rem == count)
return 0;
else
return count - rem;
}
static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_mkdir(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (!cli_mkdir(&srv->cli, path)) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
return 0;
}
static int smbc_rmdir_dirempty = True;
static void rmdir_list_fn(file_info *finfo, const char *mask, void *state)
{
if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
smbc_rmdir_dirempty = False;
}
static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_rmdir(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0))
{
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (!cli_rmdir(&srv->cli, path)) {
errno = smbc_errno(context, &srv->cli);
if (errno == EACCES) {
pstring lpath;
smbc_rmdir_dirempty = True;
pstrcpy(lpath, path);
pstrcat(lpath, "\\*");
if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
NULL) < 0) {
DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n",
smbc_errno(context, &srv->cli)));
errno = EACCES;
}
if (smbc_rmdir_dirempty)
errno = EACCES;
else
errno = ENOTEMPTY;
}
return -1;
}
return 0;
}
static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir)
{
off_t ret_val;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
errno = EBADF;
return -1;
}
if (dir->file != False) {
errno = ENOTDIR;
return -1;
}
ret_val = (int)dir->dir_next;
return ret_val;
}
struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
struct smbc_dirent *dirent)
{
if (dirent) {
struct smbc_dir_list *tmp = list;
while (tmp) {
if (tmp->dirent == dirent)
return tmp;
tmp = tmp->next;
}
}
return NULL;
}
static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset)
{
long int l_offset = offset;
struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (dir->file != False) {
errno = ENOTDIR;
return -1;
}
if (dirent == NULL) {
dir->dir_next = dir->dir_list;
return 0;
}
if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
errno = EINVAL;
return -1;
}
dir->dir_next = list_ent;
return 0;
}
static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st)
{
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
return 0;
}
int smbc_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
uint16 mode;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
mode = 0;
if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
if (!cli_setatr(&srv->cli, path, mode, 0)) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
return 0;
}
int smbc_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
uint16 mode;
time_t t = (tbuf == NULL ? time(NULL) : tbuf->tv_sec);
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_utimes(%s, [%s])\n", fname, ctime(&t)));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (!smbc_getatr(context, srv, path,
&mode, NULL,
NULL, NULL, NULL,
NULL)) {
return -1;
}
if (!cli_setatr(&srv->cli, path, mode, t)) {
if (!(mode & aDIR)) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
}
return 0;
}
static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
{
if (sec_ace_equal(ace1, ace2))
return 0;
if (ace1->type != ace2->type)
return ace2->type - ace1->type;
if (sid_compare(&ace1->trustee, &ace2->trustee))
return sid_compare(&ace1->trustee, &ace2->trustee);
if (ace1->flags != ace2->flags)
return ace1->flags - ace2->flags;
if (ace1->info.mask != ace2->info.mask)
return ace1->info.mask - ace2->info.mask;
if (ace1->size != ace2->size)
return ace1->size - ace2->size;
return memcmp(ace1, ace2, sizeof(SEC_ACE));
}
static void sort_acl(SEC_ACL *the_acl)
{
uint32 i;
if (!the_acl) return;
qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
for (i=1;i<the_acl->num_aces;) {
if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
int j;
for (j=i; j<the_acl->num_aces-1; j++) {
the_acl->ace[j] = the_acl->ace[j+1];
}
the_acl->num_aces--;
} else {
i++;
}
}
}
static void convert_sid_to_string(struct cli_state *ipc_cli,
POLICY_HND *pol,
fstring str,
BOOL numeric,
DOM_SID *sid)
{
char **domains = NULL;
char **names = NULL;
uint32 *types = NULL;
sid_to_string(str, sid);
if (numeric) return;
if (!NT_STATUS_IS_OK(cli_lsa_lookup_sids(ipc_cli, ipc_cli->mem_ctx,
pol, 1, sid, &domains,
&names, &types)) ||
!domains || !domains[0] || !names || !names[0]) {
return;
}
slprintf(str, sizeof(fstring) - 1, "%s%s%s",
domains[0], lp_winbind_separator(),
names[0]);
}
static BOOL convert_string_to_sid(struct cli_state *ipc_cli,
POLICY_HND *pol,
BOOL numeric,
DOM_SID *sid,
const char *str)
{
uint32 *types = NULL;
DOM_SID *sids = NULL;
BOOL result = True;
if (numeric) {
if (strncmp(str, "S-", 2) == 0) {
return string_to_sid(sid, str);
}
result = False;
goto done;
}
if (!NT_STATUS_IS_OK(cli_lsa_lookup_names(ipc_cli, ipc_cli->mem_ctx,
pol, 1, &str, &sids,
&types))) {
result = False;
goto done;
}
sid_copy(sid, &sids[0]);
done:
return result;
}
static BOOL parse_ace(struct cli_state *ipc_cli,
POLICY_HND *pol,
SEC_ACE *ace,
BOOL numeric,
char *str)
{
char *p;
const char *cp;
fstring tok;
unsigned atype, aflags, amask;
DOM_SID sid;
SEC_ACCESS mask;
const struct perm_value *v;
struct perm_value {
const char *perm;
uint32 mask;
};
static const struct perm_value special_values[] = {
{ "R", 0x00120089 },
{ "W", 0x00120116 },
{ "X", 0x001200a0 },
{ "D", 0x00010000 },
{ "P", 0x00040000 },
{ "O", 0x00080000 },
{ NULL, 0 },
};
static const struct perm_value standard_values[] = {
{ "READ", 0x001200a9 },
{ "CHANGE", 0x001301bf },
{ "FULL", 0x001f01ff },
{ NULL, 0 },
};
ZERO_STRUCTP(ace);
p = strchr_m(str,':');
if (!p) return False;
*p = '\0';
p++;
if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
goto done;
}
if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
return False;
}
cp = p;
if (!next_token(&cp, tok, "/", sizeof(fstring))) {
return False;
}
if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
} else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
atype = SEC_ACE_TYPE_ACCESS_DENIED;
} else {
return False;
}
if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
sscanf(tok, "%i", &aflags))) {
return False;
}
if (!next_token(&cp, tok, "/", sizeof(fstring))) {
return False;
}
if (strncmp(tok, "0x", 2) == 0) {
if (sscanf(tok, "%i", &amask) != 1) {
return False;
}
goto done;
}
for (v = standard_values; v->perm; v++) {
if (strcmp(tok, v->perm) == 0) {
amask = v->mask;
goto done;
}
}
p = tok;
while(*p) {
BOOL found = False;
for (v = special_values; v->perm; v++) {
if (v->perm[0] == *p) {
amask |= v->mask;
found = True;
}
}
if (!found) return False;
p++;
}
if (*p) {
return False;
}
done:
mask.mask = amask;
init_sec_ace(ace, &sid, atype, mask, aflags);
return True;
}
static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace, TALLOC_CTX *ctx)
{
SEC_ACL *new;
SEC_ACE *aces;
if (! *the_acl) {
(*the_acl) = make_sec_acl(ctx, 3, 1, ace);
return True;
}
aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces);
memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
SAFE_FREE(aces);
(*the_acl) = new;
return True;
}
static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx,
struct cli_state *ipc_cli,
POLICY_HND *pol,
BOOL numeric,
char *str)
{
const char *p = str;
fstring tok;
SEC_DESC *ret;
size_t sd_size;
DOM_SID *grp_sid=NULL, *owner_sid=NULL;
SEC_ACL *dacl=NULL;
int revision=1;
while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
revision = strtol(tok+9, NULL, 16);
continue;
}
if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
if (!owner_sid ||
!convert_string_to_sid(ipc_cli, pol,
numeric,
owner_sid, tok+6)) {
DEBUG(5, ("Failed to parse owner sid\n"));
return NULL;
}
continue;
}
if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
if (!owner_sid ||
!convert_string_to_sid(ipc_cli, pol,
False,
owner_sid, tok+7)) {
DEBUG(5, ("Failed to parse owner sid\n"));
return NULL;
}
continue;
}
if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
if (!grp_sid ||
!convert_string_to_sid(ipc_cli, pol,
numeric,
grp_sid, tok+6)) {
DEBUG(5, ("Failed to parse group sid\n"));
return NULL;
}
continue;
}
if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
if (!grp_sid ||
!convert_string_to_sid(ipc_cli, pol,
False,
grp_sid, tok+6)) {
DEBUG(5, ("Failed to parse group sid\n"));
return NULL;
}
continue;
}
if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
SEC_ACE ace;
if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
DEBUG(5, ("Failed to parse ACL %s\n", tok));
return NULL;
}
if(!add_ace(&dacl, &ace, ctx)) {
DEBUG(5, ("Failed to add ACL %s\n", tok));
return NULL;
}
continue;
}
if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
SEC_ACE ace;
if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
DEBUG(5, ("Failed to parse ACL %s\n", tok));
return NULL;
}
if(!add_ace(&dacl, &ace, ctx)) {
DEBUG(5, ("Failed to add ACL %s\n", tok));
return NULL;
}
continue;
}
DEBUG(5, ("Failed to parse security descriptor\n"));
return NULL;
}
ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
owner_sid, grp_sid, NULL, dacl, &sd_size);
SAFE_FREE(grp_sid);
SAFE_FREE(owner_sid);
return ret;
}
static int cacl_get(TALLOC_CTX *ctx, struct cli_state *cli,
struct cli_state *ipc_cli, POLICY_HND *pol,
char *filename, char *name, char *buf, int bufsize)
{
uint32 i;
int n = 0;
int n_used;
BOOL all;
BOOL numeric = True;
BOOL determine_size = (bufsize == 0);
int fnum = -1;
SEC_DESC *sd;
fstring sidstr;
char *p;
fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
if (fnum == -1) {
DEBUG(5, ("cacl_get failed to open %s: %s\n",
filename, cli_errstr(cli)));
errno = 0;
return -1;
}
sd = cli_query_secdesc(cli, fnum, ctx);
if (!sd) {
DEBUG(5, ("cacl_get Failed to query old descriptor\n"));
errno = 0;
return -1;
}
cli_close(cli, fnum);
all = (*name == '*');
numeric = (* (name + strlen(name) - 1) != '+');
n_used = 0;
if (all) {
if (determine_size) {
p = talloc_asprintf(ctx,
"REVISION:%d", sd->revision);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize,
"REVISION:%d", sd->revision);
}
} else if (StrCaseCmp(name, "revision") == 0) {
if (determine_size) {
p = talloc_asprintf(ctx, "%d", sd->revision);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize, "%d", sd->revision);
}
}
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
}
buf += n;
n_used += n;
bufsize -= n;
if (sd->owner_sid) {
convert_sid_to_string(ipc_cli, pol,
sidstr, numeric, sd->owner_sid);
} else {
fstrcpy(sidstr, "");
}
if (all) {
if (determine_size) {
p = talloc_asprintf(ctx, ",OWNER:%s", sidstr);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize, ",OWNER:%s", sidstr);
}
} else if (StrnCaseCmp(name, "owner", 5) == 0) {
if (determine_size) {
p = talloc_asprintf(ctx, "%s", sidstr);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize, "%s", sidstr);
}
}
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
}
buf += n;
n_used += n;
bufsize -= n;
if (sd->grp_sid) {
convert_sid_to_string(ipc_cli, pol,
sidstr, numeric, sd->grp_sid);
} else {
fstrcpy(sidstr, "");
}
if (all) {
if (determine_size) {
p = talloc_asprintf(ctx, ",GROUP:%s", sidstr);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize, ",GROUP:%s", sidstr);
}
} else if (StrnCaseCmp(name, "group", 5) == 0) {
if (determine_size) {
p = talloc_asprintf(ctx, "%s", sidstr);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize, "%s", sidstr);
}
}
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
}
buf += n;
n_used += n;
bufsize -= n;
for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
SEC_ACE *ace = &sd->dacl->ace[i];
convert_sid_to_string(ipc_cli, pol,
sidstr, numeric, &ace->trustee);
if (all) {
if (determine_size) {
p = talloc_asprintf(ctx,
",ACL:%s:%d/%d/0x%08x",
sidstr,
ace->type,
ace->flags,
ace->info.mask);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize,
",ACL:%s:%d/%d/0x%08x",
sidstr,
ace->type,
ace->flags,
ace->info.mask);
}
} else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
StrCaseCmp(name + 3, sidstr) == 0) ||
(StrnCaseCmp(name, "acl+", 4) == 0 &&
StrCaseCmp(name + 4, sidstr) == 0)) {
if (determine_size) {
p = talloc_asprintf(ctx,
"%d/%d/0x%08x",
ace->type,
ace->flags,
ace->info.mask);
if (!p) {
errno = ENOMEM;
return -1;
}
n = strlen(p);
} else {
n = snprintf(buf, bufsize,
"%d/%d/0x%08x",
ace->type, ace->flags, ace->info.mask);
}
}
if (n > bufsize) {
errno = ERANGE;
return -1;
}
buf += n;
n_used += n;
bufsize -= n;
}
if (n_used == 0) {
errno = ENOATTR;
return -1;
}
return n_used;
}
static int cacl_set(TALLOC_CTX *ctx, struct cli_state *cli,
struct cli_state *ipc_cli, POLICY_HND *pol,
const char *filename, const char *the_acl,
int mode, int flags)
{
int fnum;
int err = 0;
SEC_DESC *sd = NULL, *old;
SEC_ACL *dacl = NULL;
DOM_SID *owner_sid = NULL;
DOM_SID *grp_sid = NULL;
uint32 i, j;
size_t sd_size;
int ret = 0;
char *p;
BOOL numeric = True;
if (the_acl) {
numeric = ((p = strchr(the_acl, ':')) != NULL &&
p > the_acl &&
p[-1] != '+');
if (*the_acl == '*') {
the_acl = p + 1;
}
sd = sec_desc_parse(ctx, ipc_cli, pol,
numeric, (char *) the_acl);
if (!sd) {
errno = EINVAL;
return -1;
}
}
fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
if (fnum == -1) {
DEBUG(5, ("cacl_set failed to open %s: %s\n",
filename, cli_errstr(cli)));
errno = 0;
return -1;
}
old = cli_query_secdesc(cli, fnum, ctx);
if (!old) {
DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
errno = 0;
return -1;
}
cli_close(cli, fnum);
switch (mode) {
case SMBC_XATTR_MODE_REMOVE_ALL:
old->dacl->num_aces = 0;
SAFE_FREE(old->dacl->ace);
SAFE_FREE(old->dacl);
old->off_dacl = 0;
dacl = old->dacl;
break;
case SMBC_XATTR_MODE_REMOVE:
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
BOOL found = False;
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
if (sec_ace_equal(&sd->dacl->ace[i],
&old->dacl->ace[j])) {
uint32 k;
for (k=j; k<old->dacl->num_aces-1;k++) {
old->dacl->ace[k] = old->dacl->ace[k+1];
}
old->dacl->num_aces--;
if (old->dacl->num_aces == 0) {
SAFE_FREE(old->dacl->ace);
SAFE_FREE(old->dacl);
old->off_dacl = 0;
}
found = True;
dacl = old->dacl;
break;
}
}
if (!found) {
err = ENOATTR;
ret = -1;
goto failed;
}
}
break;
case SMBC_XATTR_MODE_ADD:
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
BOOL found = False;
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
if (sid_equal(&sd->dacl->ace[i].trustee,
&old->dacl->ace[j].trustee)) {
if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
err = EEXIST;
ret = -1;
goto failed;
}
old->dacl->ace[j] = sd->dacl->ace[i];
ret = -1;
found = True;
}
}
if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
err = ENOATTR;
ret = -1;
goto failed;
}
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
}
}
dacl = old->dacl;
break;
case SMBC_XATTR_MODE_SET:
old = sd;
owner_sid = old->owner_sid;
grp_sid = old->grp_sid;
dacl = old->dacl;
break;
case SMBC_XATTR_MODE_CHOWN:
owner_sid = sd->owner_sid;
break;
case SMBC_XATTR_MODE_CHGRP:
grp_sid = sd->grp_sid;
break;
}
sort_acl(old->dacl);
sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
owner_sid, grp_sid, NULL, dacl, &sd_size);
fnum = cli_nt_create(cli, filename,
WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
if (fnum == -1) {
DEBUG(5, ("cacl_set failed to open %s: %s\n",
filename, cli_errstr(cli)));
errno = 0;
return -1;
}
if (!cli_set_secdesc(cli, fnum, sd)) {
DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
ret = -1;
}
failed:
cli_close(cli, fnum);
if (err != 0) {
errno = err;
}
return ret;
}
int smbc_setxattr_ctx(SMBCCTX *context,
const char *fname,
const char *name,
const void *value,
size_t size,
int flags)
{
int ret;
SMBCSRV *srv;
SMBCSRV *ipc_srv;
fstring server, share, user, password, workgroup;
pstring path;
TALLOC_CTX *ctx;
POLICY_HND pol;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
fname, name, (int) size, (char *) value));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
ipc_srv = smbc_attr_server(context, server, share,
workgroup, user, password,
&pol);
if (!ipc_srv) {
return -1;
}
ctx = talloc_init("smbc_setxattr");
if (!ctx) {
errno = ENOMEM;
return -1;
}
if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
char *namevalue =
talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
if (! namevalue) {
errno = ENOMEM;
ret = -1;
} else {
ret = cacl_set(ctx, &srv->cli,
&ipc_srv->cli, &pol, path,
namevalue,
(*namevalue == '*'
? SMBC_XATTR_MODE_SET
: SMBC_XATTR_MODE_ADD),
flags);
}
talloc_destroy(ctx);
return ret;
}
if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
char *namevalue =
talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
if (! namevalue) {
errno = ENOMEM;
ret = -1;
} else {
ret = cacl_set(ctx, &srv->cli,
&ipc_srv->cli, &pol, path,
namevalue, SMBC_XATTR_MODE_CHOWN, 0);
}
talloc_destroy(ctx);
return ret;
}
if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
char *namevalue =
talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
if (! namevalue) {
errno = ENOMEM;
ret = -1;
} else {
ret = cacl_set(ctx, &srv->cli,
&ipc_srv->cli, &pol, path,
namevalue, SMBC_XATTR_MODE_CHOWN, 0);
}
talloc_destroy(ctx);
return ret;
}
talloc_destroy(ctx);
errno = EINVAL;
return -1;
}
int smbc_getxattr_ctx(SMBCCTX *context,
const char *fname,
const char *name,
const void *value,
size_t size)
{
int ret;
SMBCSRV *srv;
SMBCSRV *ipc_srv;
fstring server, share, user, password, workgroup;
pstring path;
TALLOC_CTX *ctx;
POLICY_HND pol;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
ipc_srv = smbc_attr_server(context, server, share,
workgroup, user, password,
&pol);
if (!ipc_srv) {
return -1;
}
ctx = talloc_init("smbc:getxattr");
if (!ctx) {
errno = ENOMEM;
return -1;
}
if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
ret = cacl_get(ctx, &srv->cli,
&ipc_srv->cli, &pol,
(char *) path, (char *) name + 19,
(char *) value, size);
if (ret < 0 && errno == 0) {
errno = smbc_errno(context, &srv->cli);
}
talloc_destroy(ctx);
return ret;
}
talloc_destroy(ctx);
errno = EINVAL;
return -1;
}
int smbc_removexattr_ctx(SMBCCTX *context,
const char *fname,
const char *name)
{
int ret;
SMBCSRV *srv;
SMBCSRV *ipc_srv;
fstring server, share, user, password, workgroup;
pstring path;
TALLOC_CTX *ctx;
POLICY_HND pol;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
ipc_srv = smbc_attr_server(context, server, share,
workgroup, user, password,
&pol);
if (!ipc_srv) {
return -1;
}
ipc_srv = smbc_attr_server(context, server, share,
workgroup, user, password,
&pol);
if (!ipc_srv) {
return -1;
}
ctx = talloc_init("smbc_removexattr");
if (!ctx) {
errno = ENOMEM;
return -1;
}
if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
ret = cacl_set(ctx, &srv->cli,
&ipc_srv->cli, &pol, path,
NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
talloc_destroy(ctx);
return ret;
}
if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
ret = cacl_set(ctx, &srv->cli,
&ipc_srv->cli, &pol, path,
name + 19, SMBC_XATTR_MODE_REMOVE, 0);
talloc_destroy(ctx);
return ret;
}
talloc_destroy(ctx);
errno = EINVAL;
return -1;
}
int smbc_listxattr_ctx(SMBCCTX *context,
const char *fname,
char *list,
size_t size)
{
const char supported[] =
"system.nt_sec_desc.revision\0"
"system.nt_sec_desc.owner\0"
"system.nt_sec_desc.owner+\0"
"system.nt_sec_desc.group\0"
"system.nt_sec_desc.group+\0"
"system.nt_sec_desc.acl\0"
"system.nt_sec_desc.acl+\0"
"system.nt_sec_desc.*\0"
"system.nt_sec_desc.*+\0"
;
if (size == 0) {
return sizeof(supported);
}
if (sizeof(supported) > size) {
errno = ERANGE;
return -1;
}
memcpy(list, supported, sizeof(supported));
return sizeof(supported);
}
static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname)
{
fstring server, share, user, password;
pstring path;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return NULL;
}
if (!fname) {
errno = EINVAL;
return NULL;
}
DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return NULL;
}
return context->open(context, fname, O_WRONLY, 666);
}
static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq)
{
SMBCFILE *fid1, *fid2;
int bytes, saverr, tot_bytes = 0;
char buf[4096];
if (!c_file || !c_file->internal->_initialized || !c_print ||
!c_print->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname && !printq) {
errno = EINVAL;
return -1;
}
if ((int)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
return -1;
}
if ((int)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
saverr = errno;
c_file->close(c_file, fid1);
errno = saverr;
return -1;
}
while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
tot_bytes += bytes;
if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
saverr = errno;
c_file->close(c_file, fid1);
c_print->close(c_print, fid2);
errno = saverr;
}
}
saverr = errno;
c_file->close(c_file, fid1);
c_print->close(c_print, fid2);
if (bytes < 0) {
errno = saverr;
return -1;
}
return tot_bytes;
}
static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) {
errno = smbc_errno(context, &srv->cli);
return -1;
}
return 0;
}
static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id)
{
SMBCSRV *srv;
fstring server, share, user, password, workgroup;
pstring path;
int err;
if (!context || !context->internal ||
!context->internal->_initialized) {
errno = EINVAL;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
if (smbc_parse_path(context, fname,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
user, sizeof(user),
password, sizeof(password),
NULL, 0)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) fstrcpy(user, context->user);
fstrcpy(workgroup, context->workgroup);
srv = smbc_server(context, server, share, workgroup, user, password);
if (!srv) {
return -1;
}
if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
if (err < 0)
errno = smbc_errno(context, &srv->cli);
else if (err == ERRnosuchprintjob)
errno = EINVAL;
return -1;
}
return 0;
}
SMBCCTX * smbc_new_context(void)
{
SMBCCTX * context;
context = SMB_MALLOC_P(SMBCCTX);
if (!context) {
errno = ENOMEM;
return NULL;
}
ZERO_STRUCTP(context);
context->internal = SMB_MALLOC_P(struct smbc_internal_data);
if (!context->internal) {
errno = ENOMEM;
return NULL;
}
ZERO_STRUCTP(context->internal);
context->debug = 0;
context->timeout = 20000;
context->open = smbc_open_ctx;
context->creat = smbc_creat_ctx;
context->read = smbc_read_ctx;
context->write = smbc_write_ctx;
context->close = smbc_close_ctx;
context->unlink = smbc_unlink_ctx;
context->rename = smbc_rename_ctx;
context->lseek = smbc_lseek_ctx;
context->stat = smbc_stat_ctx;
context->fstat = smbc_fstat_ctx;
context->opendir = smbc_opendir_ctx;
context->closedir = smbc_closedir_ctx;
context->readdir = smbc_readdir_ctx;
context->getdents = smbc_getdents_ctx;
context->mkdir = smbc_mkdir_ctx;
context->rmdir = smbc_rmdir_ctx;
context->telldir = smbc_telldir_ctx;
context->lseekdir = smbc_lseekdir_ctx;
context->fstatdir = smbc_fstatdir_ctx;
context->chmod = smbc_chmod_ctx;
context->utimes = smbc_utimes_ctx;
context->setxattr = smbc_setxattr_ctx;
context->getxattr = smbc_getxattr_ctx;
context->removexattr = smbc_removexattr_ctx;
context->listxattr = smbc_listxattr_ctx;
context->open_print_job = smbc_open_print_job_ctx;
context->print_file = smbc_print_file_ctx;
context->list_print_jobs = smbc_list_print_jobs_ctx;
context->unlink_print_job = smbc_unlink_print_job_ctx;
context->callbacks.check_server_fn = smbc_check_server;
context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
smbc_default_cache_functions(context);
return context;
}
int smbc_free_context(SMBCCTX * context, int shutdown_ctx)
{
if (!context) {
errno = EBADF;
return 1;
}
if (shutdown_ctx) {
SMBCFILE * f;
DEBUG(1,("Performing aggressive shutdown.\n"));
f = context->internal->_files;
while (f) {
context->close(context, f);
f = f->next;
}
context->internal->_files = NULL;
if (context->callbacks.purge_cached_fn(context)) {
SMBCSRV * s;
SMBCSRV * next;
DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n"));
s = context->internal->_servers;
while (s) {
DEBUG(1, ("Forced shutdown: %p (fd=%d)\n", s, s->cli.fd));
cli_shutdown(&s->cli);
context->callbacks.remove_cached_srv_fn(context, s);
next = s->next;
DLIST_REMOVE(context->internal->_servers, s);
SAFE_FREE(s);
s = next;
}
context->internal->_servers = NULL;
}
}
else {
if (context->callbacks.purge_cached_fn(context)) {
DEBUG(1, ("Could not purge all servers, free_context failed.\n"));
errno = EBUSY;
return 1;
}
if (context->internal->_servers) {
DEBUG(1, ("Active servers in context, free_context failed.\n"));
errno = EBUSY;
return 1;
}
if (context->internal->_files) {
DEBUG(1, ("Active files in context, free_context failed.\n"));
errno = EBUSY;
return 1;
}
}
SAFE_FREE(context->workgroup);
SAFE_FREE(context->netbios_name);
SAFE_FREE(context->user);
DEBUG(3, ("Context %p succesfully freed\n", context));
SAFE_FREE(context->internal);
SAFE_FREE(context);
return 0;
}
SMBCCTX * smbc_init_context(SMBCCTX * context)
{
pstring conf;
int pid;
char *user = NULL, *home = NULL;
if (!context || !context->internal) {
errno = EBADF;
return NULL;
}
if (context->internal->_initialized) {
return 0;
}
if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) {
errno = EINVAL;
return NULL;
}
if (!smbc_initialized) {
SAMBA_DEBUGLEVEL = context->debug;
setup_logging( "libsmbclient", True);
home = getenv("HOME");
slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
load_interfaces();
in_client = True;
if (!lp_load(conf, True, False, False)) {
if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
DEBUG(5, ("Could not load either config file: %s or %s\n",
conf, dyn_CONFIGFILE));
}
}
reopen_logs();
BlockSignals(True, SIGPIPE);
smbc_initialized = 1;
}
if (!context->user) {
user = getenv("USER");
if (!user) context->user = SMB_STRDUP("guest");
else context->user = SMB_STRDUP(user);
}
if (!context->netbios_name) {
if (global_myname()) {
context->netbios_name = SMB_STRDUP(global_myname());
}
else {
pid = sys_getpid();
context->netbios_name = SMB_MALLOC(17);
if (!context->netbios_name) {
errno = ENOMEM;
return NULL;
}
slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid);
}
}
DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
if (!context->workgroup) {
if (lp_workgroup()) {
context->workgroup = SMB_STRDUP(lp_workgroup());
}
else {
context->workgroup = SMB_STRDUP("samba");
}
}
DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
if (context->timeout > 0 && context->timeout < 1000)
context->timeout = 1000;
context->internal->_initialized = 1;
return context;
}