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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Jeremy Allison 2001-2002
Copyright (C) Simo Sorce 2001
Copyright (C) Jim McDonough (jmcd@us.ibm.com) 2003.
Copyright (C) James J Myers 2003
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 "dynconfig.h"
#include "system/network.h"
#include "system/filesys.h"
/**
* @file
* @brief Misc utility functions
*/
/**
see if a string matches either our primary or one of our secondary
netbios aliases. do a case insensitive match
*/
_PUBLIC_ BOOL is_myname(const char *name)
{
const char **aliases;
int i;
if (strcasecmp(name, lp_netbios_name()) == 0) {
return True;
}
aliases = lp_netbios_aliases();
for (i=0; aliases && aliases[i]; i++) {
if (strcasecmp(name, aliases[i]) == 0) {
return True;
}
}
return False;
}
/**
A useful function for returning a path in the Samba lock directory.
**/
_PUBLIC_ char *lock_path(TALLOC_CTX* mem_ctx, const char *name)
{
char *fname, *dname;
if (name == NULL) {
return NULL;
}
if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
return talloc_strdup(mem_ctx, name);
}
dname = talloc_strdup(mem_ctx, lp_lockdir());
trim_string(dname,"","/");
if (!directory_exist(dname)) {
mkdir(dname,0755);
}
fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);
talloc_free(dname);
return fname;
}
/**
A useful function for returning a path in the Samba piddir directory.
**/
static char *pid_path(TALLOC_CTX* mem_ctx, const char *name)
{
char *fname, *dname;
dname = talloc_strdup(mem_ctx, lp_piddir());
trim_string(dname,"","/");
if (!directory_exist(dname)) {
mkdir(dname,0755);
}
fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);
talloc_free(dname);
return fname;
}
/**
* @brief Returns an absolute path to a file in the Samba lib directory.
*
* @param name File to find, relative to DATADIR.
*
* @retval Pointer to a talloc'ed string containing the full path.
**/
_PUBLIC_ char *data_path(TALLOC_CTX* mem_ctx, const char *name)
{
char *fname;
fname = talloc_asprintf(mem_ctx, "%s/%s", dyn_DATADIR, name);
return fname;
}
/**
* @brief Returns an absolute path to a file in the Samba private directory.
*
* @param name File to find, relative to PRIVATEDIR.
* if name is not relative, then use it as-is
*
* @retval Pointer to a talloc'ed string containing the full path.
**/
_PUBLIC_ char *private_path(TALLOC_CTX* mem_ctx, const char *name)
{
char *fname;
if (name == NULL) {
return NULL;
}
if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
return talloc_strdup(mem_ctx, name);
}
fname = talloc_asprintf(mem_ctx, "%s/%s", lp_private_dir(), name);
return fname;
}
/**
return a path in the smbd.tmp directory, where all temporary file
for smbd go. If NULL is passed for name then return the directory
path itself
*/
_PUBLIC_ char *smbd_tmp_path(TALLOC_CTX *mem_ctx, const char *name)
{
char *fname, *dname;
dname = pid_path(mem_ctx, "smbd.tmp");
if (!directory_exist(dname)) {
mkdir(dname,0755);
}
if (name == NULL) {
return dname;
}
fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);
talloc_free(dname);
return fname;
}
static char *modules_path(TALLOC_CTX* mem_ctx, const char *name)
{
const char *env_moduledir = getenv("LD_SAMBA_MODULE_PATH");
return talloc_asprintf(mem_ctx, "%s/%s",
env_moduledir?env_moduledir:lp_modulesdir(),
name);
}
/**
* Load the initialization functions from DSO files for a specific subsystem.
*
* Will return an array of function pointers to initialization functions
*/
_PUBLIC_ init_module_fn *load_samba_modules(TALLOC_CTX *mem_ctx, const char *subsystem)
{
char *path = modules_path(mem_ctx, subsystem);
init_module_fn *ret;
ret = load_modules(mem_ctx, path);
talloc_free(path);
return ret;
}
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