Samba Web Administration Tool

/* Unix SMB/Netbios implementation. Version 1.9. 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. */ #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) {} /* We need this because we link to password.o */ BOOL change_oem_password(struct smb_passwd *smbpw, char *new_passwd, BOOL override) {return False;} 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; *p = '\0'; while (*str) { if (*str == '\\') {*p++ = '\\';*p++ = '\\';} else *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) { FILE *f = fopen(fname,"r"); char buf[1024]; int ret; if (!f) { printf("ERROR: Can't open %s\n", fname); return 0; } while (!feof(f)) { ret = fread(buf, 1, sizeof(buf), f); if (ret <= 0) break; fwrite(buf, 1, ret, stdout); } fclose(f); return 1; } /* start the page with standard stuff */ static void print_header(void) { if (!cgi_waspost()) { printf("Expires: 0\r\n"); } printf("Content-type: text/html\r\n\r\n"); if (!include_html("include/header.html")) { printf("\n"); printf("\n\nSamba Web Administration Tool\n\n\n\n"); } } /* finish off the page */ static void print_footer(void) { if (!include_html("include/footer.html")) { 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", parm->label, parm->label); switch (parm->type) { case P_CHAR: printf("", make_parm_name(parm->label), *(char *)ptr); printf("", make_parm_name(parm->label),(char)(parm->def.cvalue)); break; case P_STRING: case P_USTRING: printf("", make_parm_name(parm->label), *(char **)ptr); printf("", make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue))); break; case P_GSTRING: case P_UGSTRING: printf("", make_parm_name(parm->label), (char *)ptr); printf("", make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue))); break; case P_BOOL: printf(""); printf("", make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?0:1); break; case P_BOOLREV: printf(""); printf("", make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?1:0); break; case P_INTEGER: printf("", make_parm_name(parm->label), *(int *)ptr); printf("", make_parm_name(parm->label),(int)(parm->def.ivalue)); break; case P_OCTAL: printf("", make_parm_name(parm->label), *(int *)ptr); printf("", make_parm_name(parm->label),(int)(parm->def.ivalue)); break; case P_ENUM: printf(""); printf("", make_parm_name(parm->label),enum_index((int)(parm->def.ivalue),parm->enum_list)); break; case P_SEP: break; } 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 (!advanced) { if (!printers && !(parm->flags & FLAG_BASIC)) { void *ptr = parm->ptr; switch (parm->type) { case P_CHAR: if (*(char *)ptr == (char)(parm->def.cvalue)) 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) { printf("%s\n", heading); last_heading = heading; } show_parameter(snum, parm); } } /* 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()); lp_dump(f, show_defaults); } /* 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; } write_config(f, False); fclose(f); lp_killunused(NULL); if (!lp_load(servicesf,False,False,False)) { printf("Can't reload %s\n", servicesf); return 0; } 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); } } } /* load the smb.conf file into loadparm. */ static void load_config(void) { if (!lp_load(servicesf,False,True,False)) { printf("Can't load %s - using defaults

\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(" $\"%s\"$ \n", cgi_baseurl(), hlink, width, height, src, name); } /* display the main navigation controls at the top of each page along with a title */ static void show_main_buttons(void) { 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("

\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) { int full_view=0; if (cgi_variable("full_view")) { full_view = 1; } printf("

Current Config

\n"); printf("

\n"); if (full_view) { printf("\n"); } else { printf("\n"); } printf("

");
	write_config(stdout, full_view);
	printf("

"); printf("

\n"); } /* display a globals editing page */ static void globals_page(void) { int advanced = 0; printf("

Global Variables

\n"); if (cgi_variable("Advanced") && !cgi_variable("Basic")) advanced = 1; if (cgi_variable("Commit")) { commit_parameters(GLOBALS_SNUM); save_reload(); } printf("\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("

Share Parameters

Printer Parameters

\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("\n"); } 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; }