/*
Unix SMB/Netbios implementation.
Version 2.0
SMB client library implementation
Copyright (C) Andrew Tridgell 1998
Copyright (C) Richard Sharpe 2000
Copyright (C) John Terpstra 2000
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libsmbclient.h"
/* Structure for servers ... Held here so we don't need an include ...
* May be better to put in an include file
*/
struct smbc_server {
struct smbc_server *next, *prev;
struct cli_state cli;
dev_t dev;
char *server_name;
char *share_name;
char *workgroup;
char *username;
BOOL no_pathinfo2;
};
/* Keep directory entries in a list */
struct smbc_dir_list {
struct smbc_dir_list *next;
struct smbc_dirent *dirent;
};
struct smbc_file {
int cli_fd;
int smbc_fd;
char *fname;
off_t offset;
struct smbc_server *srv;
BOOL file;
struct smbc_dir_list *dir_list, *dir_end, *dir_next;
int dir_type, dir_error;
};
int smbc_fstatdir(int fd, struct stat *st); /* Forward decl */
BOOL smbc_getatr(struct smbc_server *srv, char *path,
uint16 *mode, size_t *size,
time_t *c_time, time_t *a_time, time_t *m_time,
SMB_INO_T *ino);
extern BOOL in_client;
static int smbc_initialized = 0;
static smbc_get_auth_data_fn smbc_auth_fn = NULL;
static int smbc_debug;
static int smbc_start_fd;
static int smbc_max_fd = 10000;
static struct smbc_file **smbc_file_table;
static struct smbc_server *smbc_srvs;
static pstring my_netbios_name;
static pstring smbc_user;
/*
* Function to parse a path and turn it into components
*
* We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]]
*
* smb:// means show all the workgroups
* smb://name/ means, if name<1D> exists, list servers in workgroup,
* else, if name<20> exists, list all shares for server ...
*/
static const char *smbc_prefix = "smb:";
static int
smbc_parse_path(const char *fname, char *server, char *share, char *path,
char *user, char *password) /* FIXME, lengths of strings */
{
static pstring s;
pstring userinfo;
char *p;
int len;
server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
pstrcpy(s, fname);
/* clean_fname(s); causing problems ... */
/* see if it has the right prefix */
len = strlen(smbc_prefix);
if (strncmp(s,smbc_prefix,len) ||
(s[len] != '/' && s[len] != 0)) return -1; /* What about no smb: ? */
p = s + len;
/* Watch the test below, we are testing to see if we should exit */
if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
return -1;
}
p += 2; /* Skip the // or \\ */
if (*p == (char)0)
return 0;
if (*p == '/') {
strncpy(server, lp_workgroup(), 16); /* FIXME: Danger here */
return 0;
}
/*
* ok, its for us. Now parse out the server, share etc.
*
* However, we want to parse out [[domain;]user[:password]@] if it
* exists ...
*/
if (strchr(p, '@')) {
pstring username, passwd, domain;
char *u = userinfo;
next_token(&p, userinfo, "@", sizeof(fstring));
username[0] = passwd[0] = domain[0] = 0;
if (strchr(u, ';')) {
next_token(&u, domain, ";", sizeof(fstring));
}
if (strchr(u, ':')) {
next_token(&u, username, ":", sizeof(fstring));
pstrcpy(passwd, u);
}
else {
pstrcpy(username, u);
}
if (username[0])
strncpy(user, username, sizeof(fstring)); /* FIXME, size and domain */
if (passwd[0])
strncpy(password, passwd, sizeof(fstring)); /* FIXME, size */
}
if (!next_token(&p, server, "/", sizeof(fstring))) {
return -1;
}
if (*p == (char)0) return 0; /* That's it ... */
if (!next_token(&p, share, "/", sizeof(fstring))) {
return -1;
}
pstrcpy(path, p);
all_string_sub(path, "/", "\\", 0);
return 0;
}
/*
* Convert an SMB error into a UNIX error ...
*/
int smbc_errno(struct cli_state *c)
{
uint8 eclass;
uint32 ecode;
int ret;
ret = cli_error(c, &eclass, &ecode, NULL);
if (ret) {
DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
(int)eclass, (int)ecode, (int)ecode, ret));
}
return ret;
}
/*
* Connect to a server, possibly on an existing connection
*
* Here, what we want to do is: If the server and username
* match an existing connection, reuse that, otherwise, establish a
* new connection.
*
* If we have to create a new connection, call the auth_fn to get the
* info we need, unless the username and password were passed in.
*/
struct smbc_server *smbc_server(char *server, char *share,
char *workgroup, char *username,
char *password)
{
struct smbc_server *srv=NULL;
struct cli_state c;
struct nmb_name called, calling;
char *p, *server_n = server;
fstring group;
pstring ipenv;
struct in_addr ip;
extern struct in_addr ipzero;
ip = ipzero;
ZERO_STRUCT(c);
/* try to use an existing connection */
for (srv=smbc_srvs;srv;srv=srv->next) {
if (strcmp(server,srv->server_name)==0 &&
strcmp(share,srv->share_name)==0 &&
strcmp(workgroup,srv->workgroup)==0 &&
strcmp(username, srv->username) == 0)
return srv;
}
if (server[0] == 0) {
errno = EPERM;
return NULL;
}
/*
* Pick up the auth info here, once we know we need to connect
* But only if we do not have a username and password ...
*/
if (!username[0] || !password[0])
smbc_auth_fn(server, share, workgroup, sizeof(fstring),
username, sizeof(fstring), password, sizeof(fstring));
/*
* However, smbc_auth_fn may have picked up info relating to an
* existing connection, so try for an existing connection again ...
*/
for (srv=smbc_srvs;srv;srv=srv->next) {
if (strcmp(server,srv->server_name)==0 &&
strcmp(share,srv->share_name)==0 &&
strcmp(workgroup,srv->workgroup)==0 &&
strcmp(username, srv->username) == 0)
return srv;
}
make_nmb_name(&calling, my_netbios_name, 0x0);
make_nmb_name(&called , server, 0x20);
DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
if ((p=strchr(server_n,'#')) &&
(strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) {
fstrcpy(group, server_n);
p = strchr(group,'#');
*p = 0;
}
DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
again:
slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
ip = ipzero;
/* have to open a new connection */
if (!cli_initialise(&c) || !cli_connect(&c, server_n, &ip)) {
errno = ENOENT;
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;
}
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) &&
/* try an anonymous login if it failed */
!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(&c);
cli_shutdown(&c);
return NULL;
}
DEBUG(4,(" tconx ok\n"));
srv = (struct smbc_server *)malloc(sizeof(*srv));
if (!srv) {
errno = ENOMEM;
goto failed;
}
ZERO_STRUCTP(srv);
srv->cli = c;
srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
srv->server_name = strdup(server);
if (!srv->server_name) {
errno = ENOMEM;
goto failed;
}
srv->share_name = strdup(share);
if (!srv->share_name) {
errno = ENOMEM;
goto failed;
}
srv->workgroup = strdup(workgroup);
if (!srv->workgroup) {
errno = ENOMEM;
goto failed;
}
srv->username = strdup(username);
if (!srv->username) {
errno = ENOMEM;
goto failed;
}
DLIST_ADD(smbc_srvs, srv);
return srv;
failed:
cli_shutdown(&c);
if (!srv) return NULL;
if (srv->server_name) free(srv->server_name);
if (srv->share_name) free(srv->share_name);
free(srv);
return NULL;
}
/*
*Initialise the library etc
*
* We accept valiv values for debug from 0 to 100,
* and insist that fn must be non-null.
*/
int smbc_init(smbc_get_auth_data_fn fn, int debug)
{
pstring conf;
int p, pid;
char *user = NULL, *home = NULL, *pname="libsmbclient";
/*
* Next lot ifdef'd out until test suite fixed ...
*/
if (!fn || debug < 0 || debug > 100) {
errno = EINVAL;
return -1;
}
smbc_initialized = 1;
smbc_auth_fn = fn;
smbc_debug = debug;
DEBUGLEVEL = -1;
setup_logging(pname, False);
/*
* We try to construct our netbios name from our hostname etc
*/
user = getenv("USER");
if (!user) user = ""; /* FIXME: What to do about this? */
/*
* FIXME: Is this the best way to get the user info? */
pstrcpy(smbc_user, user); /* Save for use elsewhere */
pid = getpid();
/*
* Hmmm, I want to get hostname as well, but I am too lazy for the moment
*/
slprintf(my_netbios_name, 16, "smbc%s%d", user, pid);
charset_initialise();
/* Here we would open the smb.conf file if needed ... */
home = getenv("HOME");
slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
load_interfaces(); /* Load the list of interfaces ... */
in_client = True; /* FIXME, make a param */
if (!lp_load(conf, True, False, False)) {
/*
* Hmmm, what the hell do we do here ... we could not parse the
* config file ... We must return an error ... and keep info around
* about why we failed
*/
errno = ENOENT; /* FIXME: Figure out the correct error response */
return -1;
}
codepage_initialise(lp_client_code_page()); /* Get a codepage */
reopen_logs(); /* Get logging working ... */
name_register_wins(my_netbios_name, 0);
/*
* Now initialize the file descriptor array and figure out what the
* max open files is, so we can return FD's that are above the max
* open file, and separated by a guard band
*/
#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
do {
struct rlimit rlp;
if (getrlimit(RLIMIT_NOFILE, &rlp)) {
DEBUG(0, ("smbc_init: getrlimit(1) for RLIMIT_NOFILE failed with error %s\n", strerror(errno)));
smbc_start_fd = 1000000;
smbc_max_fd = 10000; /* FIXME, should be a define ... */
}
else {
smbc_start_fd = rlp.rlim_max + 10000; /* Leave a guard space of 10,000 */
smbc_max_fd = 10000;
}
} while ( 0 );
#else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */
smbc_start_fd = 1000000;
smbc_max_fd = 10000; /* FIXME, should be a define ... */
#endif
smbc_file_table = malloc(smbc_max_fd * sizeof(struct smbc_file *));
for (p = 0; p < smbc_max_fd; p++)
smbc_file_table[p] = NULL;
if (!smbc_file_table)
return ENOMEM;
return 0; /* Success */
}
/*
* Routine to open() a file ...
*/
int smbc_open(const char *fname, int flags, mode_t mode)
{
fstring server, share, user, password;
pstring path;
struct smbc_server *srv = NULL;
int fd;
if (!smbc_initialized) {
errno = EUCLEAN; /* Best I can think of ... */
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
if (errno == EPERM) errno = EACCES;
return -1; /* smbc_server sets errno */
}
if (path[strlen(path) - 1] == '\\') {
fd = -1;
}
else {
int slot = 0;
/* Find a free slot first */
while (smbc_file_table[slot])
slot++;
if (slot > smbc_max_fd) {
errno = ENOMEM; /* FIXME, is this best? */
return -1;
}
smbc_file_table[slot] = malloc(sizeof(struct smbc_file));
if (!smbc_file_table[slot]) {
errno = ENOMEM;
return -1;
}
if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
/* Handle the error ... */
free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
errno = smbc_errno(&srv->cli);
return -1;
}
/* Fill in file struct */
smbc_file_table[slot]->cli_fd = fd;
smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd;
smbc_file_table[slot]->fname = strdup(fname);
smbc_file_table[slot]->srv = srv;
smbc_file_table[slot]->offset = 0;
smbc_file_table[slot]->file = True;
return smbc_file_table[slot]->smbc_fd;
}
/* Check if opendir needed ... */
if (fd == -1) {
int eno = 0;
eno = smbc_errno(&srv->cli);
fd = smbc_opendir(fname);
if (fd < 0) errno = eno;
return fd;
}
return 1; /* Success, with fd ... */
}
/*
* Routine to create a file
*/
static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
int smbc_creat(const char *path, mode_t mode)
{
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
return smbc_open(path, creat_bits, mode);
}
/*
* Routine to read() a file ...
*/
ssize_t smbc_read(int fd, void *buf, size_t count)
{
struct smbc_file *fe;
int ret;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
DEBUG(4, ("smbc_read(%d, %d)\n", fd, (int)count));
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (!fe->file) {
errno = EBADF;
return -1;
}
ret = cli_read(&fe->srv->cli, fe->cli_fd, buf, fe->offset, count);
if (ret < 0) {
errno = smbc_errno(&fe->srv->cli);
return -1;
}
fe->offset += ret;
DEBUG(4, (" --> %d\n", ret));
return ret; /* Success, ret bytes of data ... */
}
/*
* Routine to write() a file ...
*/
ssize_t smbc_write(int fd, void *buf, size_t count)
{
int ret;
struct smbc_file *fe;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
/* Check that the buffer exists ... */
if (buf == NULL) {
errno = EINVAL;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
ret = cli_write(&fe->srv->cli, fe->cli_fd, 0, buf, fe->offset, count);
if (ret <= 0) {
errno = smbc_errno(&fe->srv->cli);
return -1;
}
fe->offset += ret;
return ret; /* Success, 0 bytes of data ... */
}
/*
* Routine to close() a file ...
*/
int smbc_close(int fd)
{
struct smbc_file *fe;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (!fe->file) {
return smbc_closedir(fd);
}
if (!cli_close(&fe->srv->cli, fe->cli_fd)) {
errno = smbc_errno(&fe->srv->cli); /* FIXME, should we deallocate slot? */
return -1;
}
free(fe);
smbc_file_table[fd - smbc_start_fd] = NULL;
return 0;
}
/*
* Routine to unlink() a file
*/
int smbc_unlink(const char *fname)
{
fstring server, share, user, password;
pstring path;
struct smbc_server *srv = NULL;
if (!smbc_initialized) {
errno = EUCLEAN; /* Best I can think of ... */
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* smbc_server sets errno */
}
/* if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
int job = smbc_stat_printjob(srv, path, NULL, NULL);
if (job == -1) {
return -1;
}
if (cli_printjob_del(&srv->cli, job) != 0) {
return -1;
}
} else */
if (!cli_unlink(&srv->cli, path)) {
errno = smbc_errno(&srv->cli);
if (errno == EACCES) { /* Check if the file is a directory */
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(srv, path, &mode, &size,
&c_time, &a_time, &m_time, &ino)) {
/* Hmmm, bad error ... What? */
errno = smbc_errno(&srv->cli);
return -1;
}
else {
if (IS_DOS_DIR(mode))
errno = EISDIR;
else
errno = saverr; /* Restore this */
}
}
return -1;
}
return 0; /* Success ... */
}
/*
* Routine to rename() a file
*/
int smbc_rename(const char *oname, const char *nname)
{
fstring server1, share1, server2, share2, user1, user2, password1, password2;
pstring path1, path2;
struct smbc_server *srv = NULL;
if (!smbc_initialized) {
errno = EUCLEAN; /* Best I can think of ... */
return -1;
}
if (!oname || !nname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
smbc_parse_path(oname, server1, share1, path1, user1, password1);
if (user1[0] == (char)0) pstrcpy(user1, smbc_user);
smbc_parse_path(nname, server2, share2, path2, user2, password2);
if (user2[0] == (char)0) pstrcpy(user2, smbc_user);
if (strcmp(server1, server2) || strcmp(share1, share2) ||
strcmp(user1, user2)) {
/* Can't rename across file systems, or users?? */
errno = EXDEV;
return -1;
}
srv = smbc_server(server1, share1, lp_workgroup(), user1, password1);
if (!srv) {
return -1;
}
if (!cli_rename(&srv->cli, path1, path2)) {
int eno = smbc_errno(&srv->cli);
if (eno != EEXIST ||
!cli_unlink(&srv->cli, path2) ||
!cli_rename(&srv->cli, path1, path2)) {
errno = eno;
return -1;
}
}
return 0; /* Success */
}
/*
* A routine to lseek() a file
*/
off_t smbc_lseek(int fd, off_t offset, int whence)
{
struct smbc_file *fe;
size_t size;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (!fe->file) {
return smbc_lseekdir(fd, offset, whence);
}
switch (whence) {
case SEEK_SET:
fe->offset = offset;
break;
case SEEK_CUR:
fe->offset += offset;
break;
case SEEK_END:
if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL,
NULL, NULL, NULL) &&
!cli_getattrE(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL,
NULL)) {
errno = EINVAL;
return -1;
}
fe->offset = size + offset;
break;
default:
errno = EINVAL;
break;
}
return fe->offset;
}
/*
* Generate an inode number from file name for those things that need it
*/
static
ino_t smbc_inode(const char *name)
{
if (!*name) return 2; /* FIXME, why 2 ??? */
return (ino_t)str_checksum(name);
}
/*
* Routine to put basic stat info into a stat structure ... Used by stat and
* fstat below.
*/
static
int smbc_setup_stat(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;
st->st_blksize = 512;
st->st_blocks = (size+511)/512;
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(fname);
}
return True; /* FIXME: Is this needed ? */
}
/*
* Get info from an SMB server on a file. Use a qpathinfo call first
* and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
*/
BOOL smbc_getatr(struct smbc_server *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 (!smbc_initialized) {
errno = EUCLEAN;
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 this is NT then don't bother with the getatr */
if (srv->cli.capabilities & CAP_NT_SMBS) return False;
if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
a_time = c_time = m_time;
srv->no_pathinfo2 = True;
return True;
}
return False;
}
/*
* Routine to stat a file given a name
*/
int smbc_stat(const char *fname, struct stat *st)
{
struct smbc_server *srv;
fstring server, share, user, password;
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 (!smbc_initialized) {
errno = EUCLEAN; /* Best I can think of ... */
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_stat(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* errno set by smbc_server */
}
/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
mode = aDIR | aRONLY;
}
else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
if (strcmp(path, "\\") == 0) {
mode = aDIR | aRONLY;
}
else {
mode = aRONLY;
smbc_stat_printjob(srv, path, &size, &m_time);
c_time = a_time = m_time;
}
else { */
if (!smbc_getatr(srv, path, &mode, &size,
&c_time, &a_time, &m_time, &ino)) {
errno = smbc_errno(&srv->cli);
return -1;
}
/* } */
st->st_ino = ino;
smbc_setup_stat(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;
}
/*
* Routine to stat a file given an fd
*/
int smbc_fstat(int fd, struct stat *st)
{
struct smbc_file *fe;
time_t c_time, a_time, m_time;
size_t size;
uint16 mode;
SMB_INO_T ino = 0;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (!fe->file) {
return smbc_fstatdir(fd, st);
}
if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd,
&mode, &size, &c_time, &a_time, &m_time, NULL, &ino) &&
!cli_getattrE(&fe->srv->cli, fe->cli_fd,
&mode, &size, &c_time, &a_time, &m_time)) {
errno = EINVAL;
return -1;
}
st->st_ino = ino;
smbc_setup_stat(st, fe->fname, size, mode);
st->st_atime = a_time;
st->st_ctime = c_time;
st->st_mtime = m_time;
st->st_dev = fe->srv->dev;
return 0;
}
/*
* Routine to open a directory
*
* We want to allow:
*
* smb: which should list all the workgroups available
* smb:workgroup
* smb:workgroup//server
* smb://server
* smb://server/share
*/
static void smbc_remove_dir(struct smbc_file *dir)
{
struct smbc_dir_list *d,*f;
d = dir->dir_list;
while (d) {
f = d; d = d->next;
if (f->dirent) free(f->dirent);
free(f);
}
dir->dir_list = dir->dir_end = dir->dir_next = NULL;
}
static int add_dirent(struct smbc_file *dir, const char *name, const char *comment, uint32 type)
{
struct smbc_dirent *dirent;
int size;
/*
* Allocate space for the dirent, which must be increased by the
* size of the name and the comment and 1 for the null on the comment.
* The null on the name is already accounted for.
*/
size = sizeof(struct smbc_dirent) + (name?strlen(name):0) +
(comment?strlen(comment):0) + 1;
dirent = malloc(size);
if (!dirent) {
dir->dir_error = ENOMEM;
return -1;
}
if (dir->dir_list == NULL) {
dir->dir_list = malloc(sizeof(struct smbc_dir_list));
if (!dir->dir_list) {
free(dirent);
dir->dir_error = ENOMEM;
return -1;
}
dir->dir_end = dir->dir_next = dir->dir_list;
}
else {
dir->dir_end->next = malloc(sizeof(struct smbc_dir_list));
if (!dir->dir_end) {
free(dirent);
dir->dir_error = ENOMEM;
return -1;
}
dir->dir_end = dir->dir_end->next;
}
dir->dir_end->next = NULL;
dir->dir_end->dirent = dirent;
dirent->smbc_type = type;
dirent->namelen = (name?strlen(name):0);
dirent->commentlen = (comment?strlen(comment):0);
dirent->dirlen = size;
strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
return 0;
}
static void
list_fn(const char *name, uint32 type, const char *comment, void *state)
{
struct smbc_file *dir = (struct smbc_file *)state;
int dirent_type;
/* We need to process the type a little ... */
if (dir->dir_type == SMBC_FILE_SHARE) {
switch (type) {
case 0: /* Directory tree */
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; /* FIXME, error? */
break;
}
}
else dirent_type = dir->dir_type;
if (add_dirent(dir, name, comment, dirent_type) < 0) {
/* An error occurred, what do we do? */
}
}
static void
dir_list_fn(file_info *finfo, const char *mask, void *state)
{
/* fprintf(stderr, "Finfo->name=%s, mask=%s, mode=%0X\n", finfo->name, mask, finfo->mode);*/
if (add_dirent((struct smbc_file *)state, finfo->name, "",
(finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
/* Handle an error ... */
}
}
int smbc_opendir(const char *fname)
{
fstring server, share, user, password;
pstring path;
struct smbc_server *srv = NULL;
struct in_addr rem_ip;
int slot = 0;
uint8 eclass;
uint32 ecode;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
if (smbc_parse_path(fname, server, share, path, user, password)) {
errno = EINVAL;
return -1;
}
if (user[0] == (char)0) pstrcpy(user, smbc_user);
/* Get a file entry ... */
slot = 0;
while (smbc_file_table[slot])
slot++;
if (slot > smbc_max_fd) {
errno = ENOMEM;
return -1; /* FIXME, ... move into a func */
}
smbc_file_table[slot] = malloc(sizeof(struct smbc_file));
if (!smbc_file_table[slot]) {
errno = ENOMEM;
return -1;
}
smbc_file_table[slot]->cli_fd = 0;
smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd;
smbc_file_table[slot]->fname = strdup(fname);
smbc_file_table[slot]->srv = NULL;
smbc_file_table[slot]->offset = 0;
smbc_file_table[slot]->file = False;
smbc_file_table[slot]->dir_list =
smbc_file_table[slot]->dir_next =
smbc_file_table[slot]->dir_end = NULL;
if (server[0] == (char)0) {
if (share[0] != (char)0 || path[0] != (char)0) {
errno = EINVAL;
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
/* We have server and share and path empty ... so list the workgroups */
/*cli_get_backup_server(my_netbios_name, lp_workgroup(), server, sizeof(server));*/
if (!resolve_name(lp_workgroup(), &rem_ip, 0x1d)) {
errno = EINVAL; /* Something wrong with smb.conf? */
return -1;
}
smbc_file_table[slot]->dir_type = SMBC_WORKGROUP;
/* find the name of the server ... */
if (!name_status_find(0, rem_ip, server)) {
fprintf(stderr, "Could not get the name of local master browser ...\n");
errno = EINVAL;
return -1;
}
/*
* Get a connection to IPC$ on the server if we do not already have one
*/
srv = smbc_server(server, "IPC$", lp_workgroup(), user, password);
if (!srv) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
smbc_file_table[slot]->srv = srv;
/* Now, list the stuff ... */
if (!cli_NetServerEnum(&srv->cli, lp_workgroup(), 0x80000000, list_fn,
(void *)smbc_file_table[slot])) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
errno = cli_error(&srv->cli, &eclass, &ecode, NULL);
return -1;
}
}
else { /* Server not an empty string ... Check the rest and see what gives */
if (share[0] == (char)0) {
if (path[0] != (char)0) { /* Should not have empty share with path */
errno = EINVAL;
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
/* Check to see if <server><1D> translates, or <server><20> translates */
if (resolve_name(server, &rem_ip, 0x1d)) { /* Found LMB */
pstring buserver;
smbc_file_table[slot]->dir_type = SMBC_SERVER;
/*
* Get the backup list ...
*/
/*cli_get_backup_server(my_netbios_name, server, buserver, sizeof(buserver)); */
if (!name_status_find(0, rem_ip, buserver)) {
fprintf(stderr, "Could not get name of local master browser ...\n");
errno = EPERM; /* FIXME, is this correct */
return -1;
}
/*
* Get a connection to IPC$ on the server if we do not already have one
*/
srv = smbc_server(buserver, "IPC$", lp_workgroup(), user, password);
if (!srv) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL; /* FIXME: Memory leaks ... */
return -1;
}
smbc_file_table[slot]->srv = srv;
/* Now, list the servers ... */
if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
(void *)smbc_file_table[slot])) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
errno = cli_error(&srv->cli, &eclass, &ecode, NULL);
return -1;
}
}
else {
if (resolve_name(server, &rem_ip, 0x20)) {
/* Now, list the shares ... */
smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE;
srv = smbc_server(server, "IPC$", lp_workgroup(), user, password);
if (!srv) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
smbc_file_table[slot]->srv = srv;
/* Now, list the servers ... */
if (cli_RNetShareEnum(&srv->cli, list_fn,
(void *)smbc_file_table[slot]) < 0) {
errno = cli_error(&srv->cli, &eclass, &ecode, NULL);
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
}
else {
errno = EINVAL;
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
}
}
else { /* The server and share are specified ... work from there ... */
/* Well, we connect to the server and list the directory */
smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE;
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
return -1;
}
smbc_file_table[slot]->srv = srv;
/* Now, list the files ... */
pstrcat(path, "\\*");
if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
(void *)smbc_file_table[slot]) < 0) {
if (smbc_file_table[slot]) free(smbc_file_table[slot]);
smbc_file_table[slot] = NULL;
errno = smbc_errno(&srv->cli);
return -1;
}
}
}
return smbc_file_table[slot]->smbc_fd;
}
/*
* Routine to close a directory
*/
int smbc_closedir(int fd)
{
struct smbc_file *fe;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (!fe) {
errno = ENOENT; /* FIXME: Is this correct */
return -1;
}
smbc_remove_dir(fe); /* Clean it up */
if (fe) free(fe); /* Free the space too */
smbc_file_table[fd - smbc_start_fd] = NULL;
return 0;
}
/*
* Routine to get a directory entry
*/
static char smbc_local_dirent[512]; /* Make big enough */
struct smbc_dirent *smbc_readdir(unsigned int fd)
{
struct smbc_file *fe;
struct smbc_dirent *dirp, *dirent;
/* Check that all is ok first ... */
if (!smbc_initialized) {
errno = EUCLEAN;
return NULL;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return NULL;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (fe->file != False) { /* FIXME, should be dir, perhaps */
errno = ENOTDIR;
return NULL;
}
if (!fe->dir_next)
return NULL;
else {
dirent = fe->dir_next->dirent;
if (!dirent) {
errno = ENOENT;
return NULL;
}
/* Hmmm, do I even need to copy it? */
bcopy(dirent, smbc_local_dirent, dirent->dirlen); /* Copy the dirent */
dirp = (struct smbc_dirent *)smbc_local_dirent;
dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
fe->dir_next = fe->dir_next->next;
return (struct smbc_dirent *)smbc_local_dirent;
}
}
/*
* Routine to get directory entries
*/
int smbc_getdents(unsigned int fd, struct smbc_dirent *dirp, int count)
{
struct smbc_file *fe;
struct smbc_dir_list *dir;
int rem = count, reqd;
/* Check that all is ok first ... */
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (fe->file != False) { /* FIXME, should be dir, perhaps */
errno = ENOTDIR;
return -1;
}
/*
* Now, retrieve the number of entries that will fit in what was passed
* We have to figure out if the info is in the list, or we need to
* send a request to the server to get the info.
*/
while ((dir = fe->dir_next)) {
struct smbc_dirent *dirent;
if (!dir->dirent) {
errno = ENOENT; /* Bad error */
return -1;
}
if (rem < (reqd = (sizeof(struct smbc_dirent) + dir->dirent->namelen +
dir->dirent->commentlen + 1))) {
if (rem < count) { /* We managed to copy something */
errno = 0;
return count - rem;
}
else { /* Nothing copied ... */
errno = EINVAL; /* Not enough space ... */
return -1;
}
}
dirent = dir->dirent;
bcopy(dirent, dirp, reqd); /* Copy the data in ... */
dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
(char *)dirp += reqd;
rem -= reqd;
fe->dir_next = dir = dir -> next;
}
if (rem == count)
return 0;
else
return count - rem;
}
/*
* Routine to create a directory ...
*/
int smbc_mkdir(const char *fname, mode_t mode)
{
struct smbc_server *srv;
fstring server, share, user, password;
pstring path;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_mkdir(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* errno set by smbc_server */
}
/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
mode = aDIR | aRONLY;
}
else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
if (strcmp(path, "\\") == 0) {
mode = aDIR | aRONLY;
}
else {
mode = aRONLY;
smbc_stat_printjob(srv, path, &size, &m_time);
c_time = a_time = m_time;
}
else { */
if (!cli_mkdir(&srv->cli, path)) {
errno = smbc_errno(&srv->cli);
return -1;
}
return 0;
}
/*
* Routine to remove a directory
*/
int smbc_rmdir(const char *fname)
{
struct smbc_server *srv;
fstring server, share, user, password;
pstring path;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_rmdir(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* errno set by smbc_server */
}
/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
mode = aDIR | aRONLY;
}
else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
if (strcmp(path, "\\") == 0) {
mode = aDIR | aRONLY;
}
else {
mode = aRONLY;
smbc_stat_printjob(srv, path, &size, &m_time);
c_time = a_time = m_time;
}
else { */
if (!cli_rmdir(&srv->cli, path)) {
errno = smbc_errno(&srv->cli);
return -1;
}
return 0;
}
/*
* Routine to return the current directory position
*/
off_t smbc_telldir(int fd)
{
struct smbc_file *fe;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
fe = smbc_file_table[fd - smbc_start_fd];
if (fe->file != False) { /* FIXME, should be dir, perhaps */
errno = ENOTDIR;
return -1;
}
return (off_t) fe->dir_next;
}
/*
* Routine to seek on a directory
*/
int smbc_lseekdir(int fd, off_t offset, int whence)
{
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) {
errno = EBADF;
return -1;
}
return ENOSYS; /* Not implemented so far ... */
}
/*
* Routine to fstat a dir
*/
int smbc_fstatdir(int fd, struct stat *st)
{
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
/* No code yet ... */
return 0;
}
/*
* Routine to print a file on a remote server ...
*
* We open the file, which we assume to be on a remote server, and then
* copy it to a print file on the share specified by printq.
*/
int smbc_print_file(const char *fname, const char *printq)
{
int fid1, fid2, bytes, saverr, tot_bytes = 0;
char buf[4096];
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname && !printq) {
errno = EINVAL;
return -1;
}
/* Try to open the file for reading ... */
if ((fid1 = smbc_open(fname, O_RDONLY, 0666)) < 0) {
fprintf(stderr, "Error, fname=%s, errno=%i\n", fname, errno);
return -1; /* smbc_open sets errno */
}
/* Now, try to open the printer file for writing */
if ((fid2 = smbc_open_print_job(printq)) < 0) {
saverr = errno; /* Save errno */
smbc_close(fid1);
errno = saverr;
return -1;
}
while ((bytes = smbc_read(fid1, buf, sizeof(buf))) > 0) {
tot_bytes += bytes;
if ((smbc_write(fid2, buf, bytes)) < 0) {
saverr = errno;
smbc_close(fid1);
smbc_close(fid2);
errno = saverr;
}
}
saverr = errno;
smbc_close(fid1); /* We have to close these anyway */
smbc_close(fid2);
if (bytes < 0) {
errno = saverr;
return -1;
}
return tot_bytes;
}
/*
* Open a print file to be written to by other calls
*/
int smbc_open_print_job(const char *fname)
{
fstring server, share, user, password;
pstring path;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_open_print_job(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
/* What if the path is empty, or the file exists? */
return smbc_open(fname, O_WRONLY, 666);
}
/*
* Routine to list print jobs on a printer share ...
*/
int smbc_list_print_jobs(const char *fname, void (*fn)(struct print_job_info *))
{
struct smbc_server *srv;
fstring server, share, user, password;
pstring path;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* errno set by smbc_server */
}
if (cli_print_queue(&srv->cli, fn) < 0) {
errno = smbc_errno(&srv->cli);
return -1;
}
return 0;
}
/*
* Delete a print job from a remote printer share
*/
int smbc_unlink_print_job(const char *fname, int id)
{
struct smbc_server *srv;
fstring server, share, user, password;
pstring path;
if (!smbc_initialized) {
errno = EUCLEAN;
return -1;
}
if (!fname) {
errno = EINVAL;
return -1;
}
DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/
if (user[0] == (char)0) pstrcpy(user, smbc_user);
srv = smbc_server(server, share, lp_workgroup(), user, password);
if (!srv) {
return -1; /* errno set by smbc_server */
}
if (cli_printjob_del(&srv->cli, id) < 0) {
errno = smbc_errno(&srv->cli);
return -1;
}
return 0;
}