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/*
Unix SMB/Netbios implementation.
Version 1.9.
html smb.conf editing - prototype only
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.
*/
#ifdef SYSLOG
#undef SYSLOG
#endif
#include "includes.h"
#include "smb.h"
#define GLOBALS_SNUM -1
static pstring servicesf = CONFIGFILE;
/* we need these because we link to locking*.o */
void become_root(BOOL save_dir) {}
void unbecome_root(BOOL restore_dir) {}
connection_struct Connections[MAX_CONNECTIONS];
files_struct Files[MAX_OPEN_FILES];
struct current_user current_user;
/* start the page with standard stuff */
static void print_header(void)
{
printf("Expires: 0\r\n");
printf("Content-type: text/html\r\n\r\n");
printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n");
printf("<HTML>\n<HEAD>\n<TITLE>Samba Web Administration Tool</TITLE>\n</HEAD>\n<BODY>\n\n");
}
/* finish off the page */
static void print_footer(void)
{
printf("\n</BODY>\n</HTML>\n");
}
/* include a lump of html in a page */
static void include_html(char *fname)
{
FILE *f = fopen(fname,"r");
char buf[1024];
int ret;
if (!f) {
printf("ERROR: Can't open %s\n", fname);
return;
}
while (!feof(f)) {
ret = fread(buf, 1, sizeof(buf), f);
if (ret <= 0) break;
fwrite(buf, 1, ret, stdout);
}
fclose(f);
}
/* 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("<tr><td><A HREF=\"%shelp/parameters.html#%s\">?</A> %s</td><td>",
cgi_rooturl(), parm->label, parm->label);
switch (parm->type) {
case P_CHAR:
printf("<input type=text size=2 name=\"parm_%s\" value=\"%c\">",
parm->label, *(char *)ptr);
break;
case P_STRING:
case P_USTRING:
printf("<input type=text size=40 name=\"parm_%s\" value=\"%s\">",
parm->label, *(char **)ptr);
break;
case P_GSTRING:
case P_UGSTRING:
printf("<input type=text size=40 name=\"parm_%s\" value=\"%s\">",
parm->label, (char *)ptr);
break;
case P_BOOL:
printf("<input type=radio name=\"parm_%s\" value=Yes %s>yes ", parm->label, (*(BOOL *)ptr)?"CHECKED":"");
printf("<input type=radio name=\"parm_%s\" value=No %s>no", parm->label, (*(BOOL *)ptr)?"":"CHECKED");
break;
case P_BOOLREV:
printf("<input type=radio name=\"parm_%s\" value=Yes %s>yes ", parm->label, (*(BOOL *)ptr)?"":"CHECKED");
printf("<input type=radio name=\"parm_%s\" value=No %s>no", parm->label, (*(BOOL *)ptr)?"CHECKED":"");
break;
case P_INTEGER:
printf("<input type=text size=8 name=\"parm_%s\" value=%d>", parm->label, *(int *)ptr);
break;
case P_OCTAL:
printf("<input type=text size=8 name=\"parm_%s\" value=0%o>", parm->label, *(int *)ptr);
break;
case P_ENUM:
for (i=0;parm->enum_list[i].name;i++)
printf("<input type=radio name=\"parm_%s\" value=%s %s>%s ",
parm->label, parm->enum_list[i].name,
(*(int *)ptr)==parm->enum_list[i].value?"CHECKED":"",
parm->enum_list[i].name);
break;
case P_SEP:
break;
}
printf("</td></tr>\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 (!advanced) {
if (!printers && !(parm->flags & FLAG_BASIC)) continue;
if (printers && !(parm->flags & FLAG_PRINT)) continue;
}
if (heading && heading != last_heading) {
printf("<tr><td></td></tr><tr><td><b><u>%s</u></b></td></tr>\n", heading);
last_heading = heading;
}
show_parameter(snum, parm);
}
}
/* save and reoad the smb.conf config file */
static int save_reload(void)
{
FILE *f;
f = fopen(servicesf,"w");
if (!f) {
printf("failed to open %s for writing\n", servicesf);
return 0;
}
fprintf(f, "# Samba config file created using SWAT\n");
fprintf(f, "# Date: %s\n\n", timestring());
lp_dump(f);
fclose(f);
lp_killunused(NULL);
if (!lp_load(servicesf,False,False,False)) {
printf("Can't reload %s\n", servicesf);
return 0;
}
return 1;
}
/* 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))) {
sprintf(label, "parm_%s", parm->label);
if ((v = cgi_variable(label))) {
lp_do_parameter(snum, parm->label, v);
}
}
}
/* load the smb.conf file into loadparm. */
static void load_config(void)
{
if (!lp_load(servicesf,False,True,False)) {
printf("<b>Can't load %s - using defaults</b><p>\n",
servicesf);
}
}
/* spit out the html for a link with an image */
static void image_link(char *name,char *hlink, char *src, int width, int height)
{
printf("<A HREF=\"%s/%s\"><img width=%d height=%d src=\"%s%s\" alt=\"%s\"></A>\n",
cgi_baseurl(),
hlink, width, height,
cgi_rooturl(),
src, name);
}
/* display the main navigation controls at the top of each page along
with a title */
static void show_main_buttons(void)
{
printf("<H2 align=center>Samba Web Administration Tool</H2>\n");
image_link("Home", "", "images/home.gif", 50, 50);
image_link("Globals", "globals", "images/globals.gif", 50, 50);
image_link("Shares", "shares", "images/shares.gif", 50, 50);
image_link("Printers", "printers", "images/printers.gif", 50, 50);
image_link("Status", "status", "images/status.gif", 50, 50);
image_link("View Config", "viewconfig", "images/viewconfig.gif", 50, 50);
printf("<HR>\n");
}
/* display a welcome page */
static void welcome_page(void)
{
include_html("help/welcome.html");
}
/* display the current smb.conf */
static void viewconfig_page(void)
{
printf("<H2>Current Config</H2>\n");
printf("<pre>");
include_html(servicesf);
printf("</pre>");
}
/* display a globals editing page */
static void globals_page(void)
{
int advanced = 0;
printf("<H2>Global Variables</H2>\n");
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit")) {
commit_parameters(GLOBALS_SNUM);
save_reload();
}
printf("<FORM method=post>\n");
printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
if (advanced == 0) {
printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
} else {
printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
}
printf("<p>\n");
printf("<table>\n");
show_parameters(GLOBALS_SNUM, 1, advanced, 0);
printf("</table>\n");
if (advanced) {
printf("<input type=hidden name=\"Advanced\" value=1>\n");
}
printf("</form>\n");
}
/* display a shares editing page */
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);
printf("<H2>Share Parameters</H2>\n");
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit") && snum >= 0) {
commit_parameters(snum);
save_reload();
}
if (cgi_variable("Delete") && snum >= 0) {
lp_remove_service(snum);
save_reload();
share = NULL;
snum = -1;
}
if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
lp_copy_service(GLOBALS_SNUM, share);
save_reload();
snum = lp_servicenumber(share);
}
printf("<FORM method=post>\n");
printf("<table>\n");
printf("<tr><td><input type=submit name=selectshare value=\"Choose Share\"></td>\n");
printf("<td><select name=share>\n");
if (snum < 0)
printf("<option value=\" \"> \n");
for (i=0;i<lp_numservices();i++) {
s = lp_servicename(i);
if (s && (*s) && strcmp(s,"IPC$") && !lp_print_ok(i)) {
printf("<option %s value=\"%s\">%s\n",
(share && strcmp(share,s)==0)?"SELECTED":"",
s, s);
}
}
printf("</select></td></tr><p>");
printf("<tr><td><input type=submit name=createshare value=\"Create Share\"></td>\n");
printf("<td><input type=text size=30 name=newshare></td></tr>\n");
printf("</table>");
if (snum >= 0) {
printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
printf("<input type=submit name=\"Delete\" value=\"Delete Share\">\n");
if (advanced == 0) {
printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
} else {
printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
}
printf("<p>\n");
}
if (snum >= 0) {
printf("<table>\n");
show_parameters(snum, 1, advanced, 0);
printf("</table>\n");
}
if (advanced) {
printf("<input type=hidden name=\"Advanced\" value=1>\n");
}
printf("</FORM>\n");
}
/* display a printers editing page */
static void printers_page(void)
{
char *share = cgi_variable("share");
char *s;
int snum=-1;
int i;
int advanced = 0;
if (share)
snum = lp_servicenumber(share);
printf("<H2>Printer Parameters</H2>\n");
if (cgi_variable("Advanced") && !cgi_variable("Basic"))
advanced = 1;
if (cgi_variable("Commit") && snum >= 0) {
commit_parameters(snum);
save_reload();
}
if (cgi_variable("Delete") && snum >= 0) {
lp_remove_service(snum);
save_reload();
share = NULL;
snum = -1;
}
if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
lp_copy_service(GLOBALS_SNUM, share);
snum = lp_servicenumber(share);
lp_do_parameter(snum, "print ok", "Yes");
save_reload();
snum = lp_servicenumber(share);
}
printf("<FORM method=post>\n");
printf("<table>\n");
printf("<tr><td><input type=submit name=selectshare value=\"Choose Printer\"></td>\n");
printf("<td><select name=share>\n");
if (snum < 0 || !lp_print_ok(snum))
printf("<option value=\" \"> \n");
for (i=0;i<lp_numservices();i++) {
s = lp_servicename(i);
if (s && (*s) && strcmp(s,"IPC$") && lp_print_ok(i)) {
printf("<option %s value=\"%s\">%s\n",
(share && strcmp(share,s)==0)?"SELECTED":"",
s, s);
}
}
printf("</select></td></tr><p>");
printf("<tr><td><input type=submit name=createshare value=\"Create Printer\"></td>\n");
printf("<td><input type=text size=30 name=newshare></td></tr>\n");
printf("</table>");
if (snum >= 0) {
printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
printf("<input type=submit name=\"Delete\" value=\"Delete Printer\">\n");
if (advanced == 0) {
printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
} else {
printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
}
printf("<p>\n");
}
if (snum >= 0) {
printf("<table>\n");
show_parameters(snum, 1, advanced, 1);
printf("</table>\n");
}
if (advanced) {
printf("<input type=hidden name=\"Advanced\" value=1>\n");
}
printf("</FORM>\n");
}
static void print_share_mode(share_mode_entry *e, char *fname)
{
printf("<tr><td>%d</td>",e->pid);
printf("<td>");
switch ((e->share_mode>>4)&0xF) {
case DENY_NONE: printf("DENY_NONE"); break;
case DENY_ALL: printf("DENY_ALL "); break;
case DENY_DOS: printf("DENY_DOS "); break;
case DENY_READ: printf("DENY_READ "); break;
case DENY_WRITE:printf("DENY_WRITE "); break;
}
printf("</td>");
printf("<td>");
switch (e->share_mode&0xF) {
case 0: printf("RDONLY "); break;
case 1: printf("WRONLY "); break;
case 2: printf("RDWR "); break;
}
printf("</td>");
printf("<td>");
if((e->op_type &
(EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
(EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
printf("EXCLUSIVE+BATCH ");
else if (e->op_type & EXCLUSIVE_OPLOCK)
printf("EXCLUSIVE ");
else if (e->op_type & BATCH_OPLOCK)
printf("BATCH ");
else
printf("NONE ");
printf("</td>");
printf("<td>%s</td><td>%s</td></tr>\n",
fname,asctime(LocalTime((time_t *)&e->time.tv_sec)));
}
/* show the current server status */
static void status_page(void)
{
struct connect_record crec;
pstring fname;
FILE *f;
printf("<H2>Server Status</H2>\n");
pstrcpy(fname,lp_lockdir());
standard_sub_basic(fname);
trim_string(fname,"","/");
strcat(fname,"/STATUS..LCK");
f = fopen(fname,"r");
if (!f) {
printf("Couldn't open status file %s\n",fname);
if (!lp_status(-1))
printf("You need to have status=yes in your smb config file\n");
return;
}
printf("\nSamba version %s\n<p>",VERSION);
printf("<h3>Active Connections</h3>\n");
printf("<table border=1>\n");
printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
while (!feof(f)) {
if (fread(&crec,sizeof(crec),1,f) != 1)
break;
if (crec.magic == 0x280267 && process_exists(crec.pid)) {
printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s (%s)</td><td>%s</td></tr>\n",
crec.name,uidtoname(crec.uid),
gidtoname(crec.gid),crec.pid,
crec.machine,crec.addr,
asctime(LocalTime(&crec.start)));
}
}
printf("</table><p>\n");
printf("<h3>Open Files</h3>\n");
printf("<table border=1>\n");
printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
locking_init(1);
share_mode_forall(print_share_mode);
locking_end();
printf("</table>\n");
fclose(f);
}
int main(int argc, char *argv[])
{
extern char *optarg;
extern int optind;
extern FILE *dbf;
int opt;
char *page;
int auth_required = 1;
/* just in case it goes wild ... */
alarm(300);
dbf = fopen("/dev/null", "w");
if (!dbf) dbf = stderr;
while ((opt = getopt(argc, argv,"s:a")) != EOF) {
switch (opt) {
case 's':
pstrcpy(servicesf,optarg);
break;
case 'a':
auth_required = 0;
break;
}
}
cgi_setup(SWATDIR, auth_required);
print_header();
charset_initialise();
/* if this binary is setuid then run completely as root */
setuid(0);
load_config();
cgi_load_variables(NULL);
show_main_buttons();
page = cgi_pathinfo();
if (strcmp(page, "globals")==0) {
globals_page();
} else if (strcmp(page,"shares")==0) {
shares_page();
} else if (strcmp(page,"printers")==0) {
printers_page();
} else if (strcmp(page,"status")==0) {
status_page();
} else if (strcmp(page,"viewconfig")==0) {
viewconfig_page();
} else {
welcome_page();
}
print_footer();
return 0;
}
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