/*
Unix SMB/CIFS implementation.
Samba Web Administration Tool
Copyright (C) Andrew Tridgell 1997-1998
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.
*/
/**
* @group swat SWAT
* @{
* @file swat.c
*
* @brief Samba Web Administration Tool.
**/
#include "includes.h"
#define GLOBALS_SNUM -1
static BOOL demo_mode = False;
static BOOL have_write_access = False;
static BOOL have_read_access = False;
static int iNumNonAutoPrintServices = 0;
/*
* Password Management Globals
*/
#define SWAT_USER "username"
#define OLD_PSWD "old_passwd"
#define NEW_PSWD "new_passwd"
#define NEW2_PSWD "new2_passwd"
#define CHG_S_PASSWD_FLAG "chg_s_passwd_flag"
#define CHG_R_PASSWD_FLAG "chg_r_passwd_flag"
#define ADD_USER_FLAG "add_user_flag"
#define DELETE_USER_FLAG "delete_user_flag"
#define DISABLE_USER_FLAG "disable_user_flag"
#define ENABLE_USER_FLAG "enable_user_flag"
#define RHOST "remote_host"
/* we need these because we link to locking*.o */
void become_root(void) {}
void unbecome_root(void) {}
/****************************************************************************
****************************************************************************/
static int enum_index(int value, struct enum_list *enumlist)
{
int i;
for (i=0;enumlist[i].name;i++)
if (value == enumlist[i].value) break;
return(i);
}
static char *fix_backslash(char *str)
{
static char newstring[1024];
char *p = newstring;
while (*str) {
if (*str == '\\') {*p++ = '\\';*p++ = '\\';}
else *p++ = *str;
++str;
}
*p = '\0';
return newstring;
}
static char *stripspace(char *str)
{
static char newstring[1024];
char *p = newstring;
while (*str) {
if (*str != ' ') *p++ = *str;
++str;
}
*p = '\0';
return newstring;
}
static char *make_parm_name(char *label)
{
static char parmname[1024];
char *p = parmname;
while (*label) {
if (*label == ' ') *p++ = '_';
else *p++ = *label;
++label;
}
*p = '\0';
return parmname;
}
/****************************************************************************
include a lump of html in a page
****************************************************************************/
static int include_html(char *fname)
{
int fd;
char buf[1024];
int ret;
fd = web_open(fname, O_RDONLY, 0);
if (fd == -1) {
d_printf("ERROR: Can't open %s\n", fname);
return 0;
}
while ((ret = read(fd, buf, sizeof(buf))) > 0) {
write(1, buf, ret);
}
close(fd);
return 1;
}
/****************************************************************************
start the page with standard stuff
****************************************************************************/
static void print_header(void)
{
if (!cgi_waspost()) {
d_printf("Expires: 0\r\n");
}
d_printf("Content-type: text/html\r\n\r\n");
if (!include_html("include/header.html")) {
d_printf("\n");
d_printf("\n\nSamba Web Administration Tool\n\n\n\n");
}
}
/* *******************************************************************
show parameter label with translated name in the following form
because showing original and translated label in one line looks
too long, and showing translated label only is unusable for
heavy users.
-------------------------------
HELP security [combo box][button]
SECURITY
-------------------------------
(capital words are translated by gettext.)
if no translation is available, then same form as original is
used.
"i18n_translated_parm" class is used to change the color of the
translated parameter with CSS.
**************************************************************** */
static const char* get_parm_translated(
const char* pAnchor, const char* pHelp, const char* pLabel)
{
const char* pTranslated = _(pLabel);
static pstring output;
if(strcmp(pLabel, pTranslated) != 0)
{
snprintf(output, sizeof(output),
" %s %s %s",
pAnchor, pHelp, pLabel, pTranslated);
return output;
}
snprintf(output, sizeof(output),
" %s %s",
pAnchor, pHelp, pLabel);
return output;
}
/****************************************************************************
finish off the page
****************************************************************************/
static void print_footer(void)
{
if (!include_html("include/footer.html")) {
d_printf("\n\n\n");
}
}
/****************************************************************************
display one editable parameter in a form
****************************************************************************/
static void show_parameter(int snum, struct parm_struct *parm)
{
int i;
void *ptr = parm->ptr;
if (parm->class == P_LOCAL && snum >= 0) {
ptr = lp_local_ptr(snum, ptr);
}
printf("
%s
", get_parm_translated(stripspace(parm->label), _("Help"), parm->label));
switch (parm->type) {
case P_CHAR:
d_printf("",
make_parm_name(parm->label), *(char *)ptr);
d_printf("",
_("Set Default"), make_parm_name(parm->label),(char)(parm->def.cvalue));
break;
case P_LIST:
d_printf("label));
if ((char ***)ptr && *(char ***)ptr && **(char ***)ptr) {
char **list = *(char ***)ptr;
for (;*list;list++) {
d_printf("%s%s", *list, ((*(list+1))?" ":""));
}
}
d_printf("\">");
d_printf("label));
if (parm->def.lvalue) {
char **list = (char **)(parm->def.lvalue);
for (; *list; list++) {
d_printf("%s%s", *list, ((*(list+1))?" ":""));
}
}
d_printf("\'\">");
break;
case P_STRING:
case P_USTRING:
d_printf("",
make_parm_name(parm->label), *(char **)ptr);
d_printf("",
_("Set Default"), make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue)));
break;
case P_GSTRING:
case P_UGSTRING:
d_printf("",
make_parm_name(parm->label), (char *)ptr);
d_printf("",
_("Set Default"), make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue)));
break;
case P_BOOL:
d_printf("");
d_printf("",
_("Set Default"), make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?0:1);
break;
case P_BOOLREV:
d_printf("");
d_printf("",
_("Set Default"), make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?1:0);
break;
case P_INTEGER:
d_printf("", make_parm_name(parm->label), *(int *)ptr);
d_printf("",
_("Set Default"), make_parm_name(parm->label),(int)(parm->def.ivalue));
break;
case P_OCTAL:
d_printf("", make_parm_name(parm->label), octal_string(*(int *)ptr));
d_printf("",
_("Set Default"), make_parm_name(parm->label),
octal_string((int)(parm->def.ivalue)));
break;
case P_ENUM:
d_printf("");
d_printf("",
_("Set Default"), make_parm_name(parm->label),enum_index((int)(parm->def.ivalue),parm->enum_list));
break;
case P_SEP:
break;
}
d_printf("
\n");
}
/****************************************************************************
display a set of parameters for a service
****************************************************************************/
static void show_parameters(int snum, int allparameters, int advanced, int printers)
{
int i = 0;
struct parm_struct *parm;
char *heading = NULL;
char *last_heading = NULL;
while ((parm = lp_next_parameter(snum, &i, allparameters))) {
if (snum < 0 && parm->class == P_LOCAL && !(parm->flags & FLAG_GLOBAL))
continue;
if (parm->class == P_SEPARATOR) {
heading = parm->label;
continue;
}
if (parm->flags & FLAG_HIDE) continue;
if (snum >= 0) {
if (printers & !(parm->flags & FLAG_PRINT)) continue;
if (!printers & !(parm->flags & FLAG_SHARE)) continue;
}
if (!advanced) {
if (!(parm->flags & FLAG_BASIC)) {
void *ptr = parm->ptr;
if (parm->class == P_LOCAL && snum >= 0) {
ptr = lp_local_ptr(snum, ptr);
}
switch (parm->type) {
case P_CHAR:
if (*(char *)ptr == (char)(parm->def.cvalue)) continue;
break;
case P_LIST:
if (!str_list_compare(*(char ***)ptr, (char **)(parm->def.lvalue))) continue;
break;
case P_STRING:
case P_USTRING:
if (!strcmp(*(char **)ptr,(char *)(parm->def.svalue))) continue;
break;
case P_GSTRING:
case P_UGSTRING:
if (!strcmp((char *)ptr,(char *)(parm->def.svalue))) continue;
break;
case P_BOOL:
case P_BOOLREV:
if (*(BOOL *)ptr == (BOOL)(parm->def.bvalue)) continue;
break;
case P_INTEGER:
case P_OCTAL:
if (*(int *)ptr == (int)(parm->def.ivalue)) continue;
break;
case P_ENUM:
if (*(int *)ptr == (int)(parm->def.ivalue)) continue;
break;
case P_SEP:
continue;
}
}
if (printers && !(parm->flags & FLAG_PRINT)) continue;
}
if (heading && heading != last_heading) {
d_printf("
%s
\n", _(heading));
last_heading = heading;
}
show_parameter(snum, parm);
}
}
/****************************************************************************
load the smb.conf file into loadparm.
****************************************************************************/
static BOOL load_config(BOOL save_def)
{
lp_resetnumservices();
return lp_load(dyn_CONFIGFILE,False,save_def,False);
}
/****************************************************************************
write a config file
****************************************************************************/
static void write_config(FILE *f, BOOL show_defaults)
{
fprintf(f, "# Samba config file created using SWAT\n");
fprintf(f, "# from %s (%s)\n", cgi_remote_host(), cgi_remote_addr());
fprintf(f, "# Date: %s\n\n", timestring(False));
lp_dump(f, show_defaults, iNumNonAutoPrintServices);
}
/****************************************************************************
save and reoad the smb.conf config file
****************************************************************************/
static int save_reload(int snum)
{
FILE *f;
struct stat st;
f = sys_fopen(dyn_CONFIGFILE,"w");
if (!f) {
d_printf("failed to open %s for writing\n", dyn_CONFIGFILE);
return 0;
}
/* just in case they have used the buggy xinetd to create the file */
if (fstat(fileno(f), &st) == 0 &&
(st.st_mode & S_IWOTH)) {
fchmod(fileno(f), S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH);
}
write_config(f, False);
if (snum)
lp_dump_one(f, False, snum);
fclose(f);
lp_killunused(NULL);
if (!load_config(False)) {
d_printf("Can't reload %s\n", dyn_CONFIGFILE);
return 0;
}
iNumNonAutoPrintServices = lp_numservices();
load_printers();
return 1;
}
/****************************************************************************
commit one parameter
****************************************************************************/
static void commit_parameter(int snum, struct parm_struct *parm, char *v)
{
int i;
char *s;
if (snum < 0 && parm->class == P_LOCAL) {
/* this handles the case where we are changing a local
variable globally. We need to change the parameter in
all shares where it is currently set to the default */
for (i=0;ilabel, v);
}
}
}
lp_do_parameter(snum, parm->label, v);
}
/****************************************************************************
commit a set of parameters for a service
****************************************************************************/
static void commit_parameters(int snum)
{
int i = 0;
struct parm_struct *parm;
pstring label;
char *v;
while ((parm = lp_next_parameter(snum, &i, 1))) {
slprintf(label, sizeof(label)-1, "parm_%s", make_parm_name(parm->label));
if ((v = cgi_variable(label))) {
if (parm->flags & FLAG_HIDE) continue;
commit_parameter(snum, parm, v);
}
}
}
/****************************************************************************
spit out the html for a link with an image
****************************************************************************/
static void image_link(const char *name, const char *hlink, const char *src)
{
d_printf("\n",
cgi_baseurl(), hlink, src, name);
}
/****************************************************************************
display the main navigation controls at the top of each page along
with a title
****************************************************************************/
static void show_main_buttons(void)
{
char *p;
if ((p = cgi_user_name()) && strcmp(p, "root")) {
d_printf(_("Logged in as %s
\n", _("Global Variables"));
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit")) {
commit_parameters(GLOBALS_SNUM);
save_reload(0);
}
d_printf("\n");
}
/****************************************************************************
display a shares editing page. share is in unix codepage, and must be in
dos codepage. FIXME !!! JRA.
****************************************************************************/
static void shares_page(void)
{
char *share = cgi_variable("share");
char *s;
int snum = -1;
int i;
int advanced = 0;
if (share)
snum = lp_servicenumber(share);
d_printf("
%s
\n", _("Share Parameters"));
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit") && snum >= 0) {
commit_parameters(snum);
save_reload(0);
}
if (cgi_variable("Delete") && snum >= 0) {
lp_remove_service(snum);
save_reload(0);
share = NULL;
snum = -1;
}
if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
load_config(False);
lp_copy_service(GLOBALS_SNUM, share);
iNumNonAutoPrintServices = lp_numservices();
save_reload(0);
snum = lp_servicenumber(share);
}
d_printf("\n");
}
/*************************************************************
change a password either locally or remotely
*************************************************************/
static BOOL change_password(const char *remote_machine, char *user_name,
char *old_passwd, char *new_passwd,
int local_flags)
{
BOOL ret = False;
pstring err_str;
pstring msg_str;
if (demo_mode) {
d_printf("%s
", _("password change in demo mode rejected\n"));
return False;
}
if (remote_machine != NULL) {
ret = remote_password_change(remote_machine, user_name, old_passwd,
new_passwd, err_str, sizeof(err_str));
if(*err_str)
d_printf("%s\n
", err_str);
return ret;
}
/****************************************************************************
do the stuff required to add or change a password
****************************************************************************/
static void chg_passwd(void)
{
char *host;
BOOL rslt;
int local_flags = 0;
/* Make sure users name has been specified */
if (strlen(cgi_variable(SWAT_USER)) == 0) {
d_printf("
%s", _(" Must specify \"User Name\" \n"));
return;
}
/*
* smbpasswd doesn't require anything but the users name to delete, disable or enable the user,
* so if that's what we're doing, skip the rest of the checks
*/
if (!cgi_variable(DISABLE_USER_FLAG) && !cgi_variable(ENABLE_USER_FLAG) && !cgi_variable(DELETE_USER_FLAG)) {
/*
* If current user is not root, make sure old password has been specified
* If REMOTE change, even root must provide old password
*/
if (((!am_root()) && (strlen( cgi_variable(OLD_PSWD)) <= 0)) ||
((cgi_variable(CHG_R_PASSWD_FLAG)) && (strlen( cgi_variable(OLD_PSWD)) <= 0))) {
d_printf("
%s", _(" Must specify \"Old Password\" \n"));
return;
}
/* If changing a users password on a remote hosts we have to know what host */
if ((cgi_variable(CHG_R_PASSWD_FLAG)) && (strlen( cgi_variable(RHOST)) <= 0)) {
d_printf("
%s", _(" Must specify \"Remote Machine\" \n"));
return;
}
/* Make sure new passwords have been specified */
if ((strlen( cgi_variable(NEW_PSWD)) <= 0) ||
(strlen( cgi_variable(NEW2_PSWD)) <= 0)) {
d_printf("
%s", _(" Must specify \"New, and Re-typed Passwords\" \n"));
return;
}
/* Make sure new passwords was typed correctly twice */
if (strcmp(cgi_variable(NEW_PSWD), cgi_variable(NEW2_PSWD)) != 0) {
d_printf("
%s", _(" Re-typed password didn't match new password\n"));
return;
}
}
if (cgi_variable(CHG_R_PASSWD_FLAG)) {
host = cgi_variable(RHOST);
} else if (am_root()) {
host = NULL;
} else {
host = "127.0.0.1";
}
/*
* Set up the local flags.
*/
local_flags |= (cgi_variable(ADD_USER_FLAG) ? LOCAL_ADD_USER : 0);
local_flags |= (cgi_variable(DELETE_USER_FLAG) ? LOCAL_DELETE_USER : 0);
local_flags |= (cgi_variable(ENABLE_USER_FLAG) ? LOCAL_ENABLE_USER : 0);
local_flags |= (cgi_variable(DISABLE_USER_FLAG) ? LOCAL_DISABLE_USER : 0);
rslt = change_password(host,
cgi_variable(SWAT_USER),
cgi_variable(OLD_PSWD), cgi_variable(NEW_PSWD),
local_flags);
if(local_flags == 0) {
d_printf("
");
if (rslt == True) {
d_printf(_(" The passwd for '%s' has been changed. \n"), cgi_variable(SWAT_USER));
} else {
d_printf(_(" The passwd for '%s' has NOT been changed. \n"), cgi_variable(SWAT_USER));
}
}
return;
}
/****************************************************************************
display a password editing page
****************************************************************************/
static void passwd_page(void)
{
char *new_name = cgi_user_name();
/*
* After the first time through here be nice. If the user
* changed the User box text to another users name, remember it.
*/
if (cgi_variable(SWAT_USER)) {
new_name = cgi_variable(SWAT_USER);
}
if (!new_name) new_name = "";
d_printf("
%s
\n", _("Server Password Management"));
d_printf("\n");
/*
* Do some work if change, add, disable or enable was
* requested. It could be this is the first time through this
* code, so there isn't anything to do. */
if ((cgi_variable(CHG_S_PASSWD_FLAG)) || (cgi_variable(ADD_USER_FLAG)) || (cgi_variable(DELETE_USER_FLAG)) ||
(cgi_variable(DISABLE_USER_FLAG)) || (cgi_variable(ENABLE_USER_FLAG))) {
chg_passwd();
}
d_printf("
%s
\n", _("Client/Server Password Management"));
d_printf("\n");
/*
* Do some work if a request has been made to change the
* password somewhere other than the server. It could be this
* is the first time through this code, so there isn't
* anything to do. */
if (cgi_variable(CHG_R_PASSWD_FLAG)) {
chg_passwd();
}
}
/****************************************************************************
display a printers editing page
****************************************************************************/
static void printers_page(void)
{
char *share = cgi_variable("share");
char *s;
int snum=-1;
int i;
int advanced = 0;
if (share)
snum = lp_servicenumber(share);
d_printf("
%s
\n", _("Printer Parameters"));
d_printf("
%s
\n", _("Important Note:"));
d_printf(_("Printer names marked with [*] in the Choose Printer drop-down box "));
d_printf(_("are autoloaded printers from "));
d_printf("%s\n", _("Printcap Name"));
d_printf(_("Attempting to delete these printers from SWAT will have no effect.\n"));
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit") && snum >= 0) {
commit_parameters(snum);
if (snum >= iNumNonAutoPrintServices)
save_reload(snum);
else
save_reload(0);
}
if (cgi_variable("Delete") && snum >= 0) {
lp_remove_service(snum);
save_reload(0);
share = NULL;
snum = -1;
}
if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
load_config(False);
lp_copy_service(GLOBALS_SNUM, share);
iNumNonAutoPrintServices = lp_numservices();
snum = lp_servicenumber(share);
lp_do_parameter(snum, "print ok", "Yes");
save_reload(0);
snum = lp_servicenumber(share);
}
d_printf("\n");
}
/**
* main function for SWAT.
**/
int main(int argc, char *argv[])
{
extern char *optarg;
extern int optind;
int opt;
char *page;
fault_setup(NULL);
umask(S_IWGRP | S_IWOTH);
#if defined(HAVE_SET_AUTH_PARAMETERS)
set_auth_parameters(argc, argv);
#endif /* HAVE_SET_AUTH_PARAMETERS */
/* just in case it goes wild ... */
alarm(300);
setlinebuf(stdout);
/* we don't want any SIGPIPE messages */
BlockSignals(True,SIGPIPE);
dbf = x_fopen("/dev/null", O_WRONLY, 0);
if (!dbf) dbf = x_stderr;
/* we don't want stderr screwing us up */
close(2);
open("/dev/null", O_WRONLY);
while ((opt = getopt(argc, argv,"s:a")) != EOF) {
switch (opt) {
case 's':
pstrcpy(dyn_CONFIGFILE,optarg);
break;
case 'a':
demo_mode = True;
break;
}
}
setup_logging(argv[0],False);
load_config(True);
iNumNonAutoPrintServices = lp_numservices();
load_printers();
cgi_setup(dyn_SWATDIR, !demo_mode);
print_header();
cgi_load_variables();
if (!file_exist(dyn_CONFIGFILE, NULL)) {
have_read_access = True;
have_write_access = True;
} else {
/* check if the authenticated user has write access - if not then
don't show write options */
have_write_access = (access(dyn_CONFIGFILE,W_OK) == 0);
/* if the user doesn't have read access to smb.conf then
don't let them view it */
have_read_access = (access(dyn_CONFIGFILE,R_OK) == 0);
}
show_main_buttons();
page = cgi_pathinfo();
/* Root gets full functionality */
if (have_read_access && strcmp(page, "globals")==0) {
globals_page();
} else if (have_read_access && strcmp(page,"shares")==0) {
shares_page();
} else if (have_read_access && strcmp(page,"printers")==0) {
printers_page();
} else if (have_read_access && strcmp(page,"status")==0) {
status_page();
} else if (have_read_access && strcmp(page,"viewconfig")==0) {
viewconfig_page();
} else if (strcmp(page,"passwd")==0) {
passwd_page();
} else {
welcome_page();
}
print_footer();
return 0;
}
/** @} **/