e493e81997-07-11Per Hedbor /* $Id: module.pike,v 1.17 1997/07/11 06:00:03 per Exp $ */
44f12a1997-06-01Henrik Grubbström (Grubba) 
b1fca01996-11-12Per Hedbor #include <module.h> mapping (string:mixed *) variables=([]);
2a2a5b1996-12-01Per Hedbor object this = this_object();
dde9651996-12-08David Hedbor int module_type;
2a2a5b1996-12-01Per Hedbor string fix_cvs(string from) {
fd0b6f1996-12-02Per Hedbor  from = replace(from, ({ "$", "Id: "," Exp $" }), ({"","",""}));
2a2a5b1996-12-01Per Hedbor  sscanf(from, "%*s,v %s", from); return from; } string file_name_and_stuff() { return ("<b>Loaded from:</b> "+(roxen->filename(this))+"<br>"+ (this->cvs_version?"<b>CVS Version: </b>"+fix_cvs(this->cvs_version)+"<nr>\n":"")); }
b1fca01996-11-12Per Hedbor object my_configuration() { object conf; foreach(roxen->configurations, conf) if(conf->otomod[this]) return conf; return 0; } string module_creator; string module_url; void set_module_creator(string c) { module_creator = c; } void set_module_url(string to) { module_url = to; } int killvar(string var) {
2a2a5b1996-12-01Per Hedbor  if(!variables[var]) error("Killing undefined variable.\n");
b1fca01996-11-12Per Hedbor  m_delete(variables, var); return 1; } void free_some_sockets_please(){} void start(void|int num) {} string status() {} string info() {
2a2a5b1996-12-01Per Hedbor  return (this->register_module()[2]);
b1fca01996-11-12Per Hedbor } // Define a variable, with more than a little error checking...
0f8c871997-06-01Henrik Grubbström (Grubba) varargs void defvar(string var, mixed value, string name, int type, string doc_str, mixed misc, int|function not_in_config)
b1fca01996-11-12Per Hedbor { if(!strlen(var)) error("No name for variable!\n");
5e4ede1996-11-12Per Hedbor // if(var[0]=='_' && previous_object() != roxen) // error("Variable names beginning with '_' are reserved for" // " internal usage.\n");
b1fca01996-11-12Per Hedbor  if (!stringp(name)) name = var;
f6d62d1997-03-26Per Hedbor  if((search(name, "\"") != -1)) error("Please do not use \" in variable names");
b1fca01996-11-12Per Hedbor  if (!stringp(doc_str)) doc_str = "No documentation"; switch (type & VAR_TYPE_MASK) {
be377f1997-06-12Henrik Grubbström (Grubba)  case TYPE_NODE: if(!arrayp(value)) error("TYPE_NODE variables should contain a list of variables " "to use as subnodes.\n"); break; case TYPE_CUSTOM: if(!misc && arrayp(misc) && (sizeof(misc)>=3) && functionp(misc[0]) && functionp(misc[1]) && functionp(misc[2]))
0f8c871997-06-01Henrik Grubbström (Grubba)  error("When defining a TYPE_CUSTOM variable, the MISC " "field must be an array of functionpointers: \n" "({describe,describe_form,set_from_form})\n");
be377f1997-06-12Henrik Grubbström (Grubba)  break; case TYPE_TEXT_FIELD: case TYPE_FILE: case TYPE_STRING: case TYPE_LOCATION: case TYPE_PASSWORD: if(value && !stringp(value)) { report_error(sprintf("%s:\nPassing illegal value (%t:%O) " "to string type variable.\n", roxen->filename(this), value, value)); } break;
b1fca01996-11-12Per Hedbor 
be377f1997-06-12Henrik Grubbström (Grubba)  case TYPE_FLOAT: if(!floatp(value)) report_error(sprintf("%s:\nPassing illegal value (%t:%O) " "(not float) to floating point " "decimal number variable.\n", roxen->filename(this), value, value)); break; case TYPE_INT: if(!intp(value)) report_error(sprintf("%s:\nPassing illegal value (%t:%O) " "(not int) to integer number variable.\n", roxen->filename(this), value, value)); break; case TYPE_MODULE_LIST: value = ({}); break;
b1fca01996-11-12Per Hedbor 
be377f1997-06-12Henrik Grubbström (Grubba)  case TYPE_MODULE: /* No default possible */ value = 0; break; case TYPE_DIR_LIST: int i; if(!arrayp(value)) { report_error(sprintf("%s:\nIllegal type %t to TYPE_DIR_LIST, " "must be array.\n", roxen->filename(this), value)); value = ({ "./" }); } else { for(i=0; i<sizeof(value); i++) { if(strlen(value[i])) { if(value[i][-1] != '/') value[i] += "/";
0f8c871997-06-01Henrik Grubbström (Grubba)  } else { value[i]="./"; }
be377f1997-06-12Henrik Grubbström (Grubba)  } } break; case TYPE_DIR: if(value && !stringp(value)) report_error(sprintf("%s:\nPassing illegal value (%t:%O) (not string) " "to directory variable.\n", roxen->filename(this), value, value));
b1fca01996-11-12Per Hedbor 
be377f1997-06-12Henrik Grubbström (Grubba)  if(value && strlen(value) && ((string)value)[-1] != '/') value+="/"; break; case TYPE_INT_LIST: case TYPE_STRING_LIST: if(!misc && value && !arrayp(value)) { report_error(sprintf("%s:\nPassing illegal misc (%t:%O) (not array) " "to multiple choice variable.\n", roxen->filename(this), value, value)); } else { if(misc && !arrayp(misc)) { report_error(sprintf("%s:\nPassing illegal misc (%t:%O) (not array) " "to multiple choice variable.\n", roxen->filename(this), misc, misc)); } if(misc && search(misc, value)==-1) { report_error(sprintf("%s:\nPassing value (%t:%O) not present " "in the misc array.\n", roxen->filename(this), value, value)); } }
b1fca01996-11-12Per Hedbor  break;
0f8c871997-06-01Henrik Grubbström (Grubba)  case TYPE_FLAG:
b1fca01996-11-12Per Hedbor  value=!!value; break;
0f8c871997-06-01Henrik Grubbström (Grubba)  case TYPE_ERROR:
b1fca01996-11-12Per Hedbor  break;
0f8c871997-06-01Henrik Grubbström (Grubba)  case TYPE_COLOR:
b1fca01996-11-12Per Hedbor  if (!intp(value))
be377f1997-06-12Henrik Grubbström (Grubba)  report_error(sprintf("%s:\nPassing illegal value (%t:%O) (not int) " "to color variable.\n", roxen->filename(this), value, value));
b1fca01996-11-12Per Hedbor  break;
be377f1997-06-12Henrik Grubbström (Grubba)  case TYPE_FILE_LIST: case TYPE_PORTS: case TYPE_FONT: // FIXME: Add checks for these. break;
0f8c871997-06-01Henrik Grubbström (Grubba)  default:
be377f1997-06-12Henrik Grubbström (Grubba)  report_error(sprintf("%s:\nIllegal type (%s) in defvar.\n", roxen->filename(this), type));
0f8c871997-06-01Henrik Grubbström (Grubba)  break;
b1fca01996-11-12Per Hedbor  } variables[var]=allocate( VAR_SIZE ); if(!variables[var]) error("Out of memory in defvar.\n"); variables[var][ VAR_VALUE ]=value; variables[var][ VAR_TYPE ]=type&VAR_TYPE_MASK; variables[var][ VAR_DOC_STR ]=doc_str; variables[var][ VAR_NAME ]=name; if((type&~VAR_TYPE_MASK) & VAR_EXPERT) variables[var][ VAR_CONFIGURABLE ] = VAR_EXPERT; else if(intp(not_in_config)) variables[var][ VAR_CONFIGURABLE ]= !not_in_config; else if(functionp(not_in_config)) variables[var][ VAR_CONFIGURABLE ]= not_in_config; variables[var][ VAR_MISC ]=misc; variables[var][ VAR_SHORTNAME ]= var; } // Convenience function, define an invissible variable, this variable // will be saved, but it won't be vissible in the configuration interface.
0f8c871997-06-01Henrik Grubbström (Grubba) void definvisvar(string name, int value, int type, array|void misc)
b1fca01996-11-12Per Hedbor {
0f8c871997-06-01Henrik Grubbström (Grubba)  defvar(name, value, "", type, "", misc, 1);
b1fca01996-11-12Per Hedbor } string check_variable( string s, mixed value ) { // Check if `value' is O.K. to store in the variable `s'. If so, // return 0, otherwise return a string, describing the error. return 0; } varargs mixed query(string var, int ok) { if(var) if(variables[var]) return variables[var][VAR_VALUE]; else if(!ok) error("Querying undefined variable.\n"); return variables; } void set_module_list(string var, string what, object to) { int p; p = search(variables[var][VAR_VALUE], what); if(p == -1) { #ifdef MODULE_DEBUG perror("The variable '"+var+"': '"+what+"' found by hook.\n"); perror("Not found in variable!\n"); #endif } else variables[var][VAR_VALUE][p]=to; } void set(string var, mixed value) { if(!variables[var]) error( "Setting undefined variable.\n" ); else if(variables[var][VAR_TYPE] == TYPE_MODULE && stringp(value))
f6d62d1997-03-26Per Hedbor  roxenp()->register_module_load_hook( value, set, var );
b1fca01996-11-12Per Hedbor  else if(variables[var][VAR_TYPE] == TYPE_MODULE_LIST) { variables[var][VAR_VALUE]=value; if(arrayp(value)) foreach(value, value) if(stringp(value))
f6d62d1997-03-26Per Hedbor  roxenp()->register_module_load_hook(value,set_module_list,var,value);
b1fca01996-11-12Per Hedbor  } else variables[var][VAR_VALUE]=value; } int setvars( mapping (string:mixed) vars ) { string v; int err; foreach( indices( vars ), v ) if(variables[v]) set( v, vars[v] ); return !err; } string comment() { return ""; }
b7c45e1997-01-27Per Hedbor /* Per default, return the value of the module variable 'location' */ string query_location() { string s; catch{s = query("location");}; return s; }
b1fca01996-11-12Per Hedbor /* * Parse and return a parsed version of the security levels for this module * */
b7c45e1997-01-27Per Hedbor 
b1fca01996-11-12Per Hedbor array query_seclevels() { string sl, sec; array patterns=({ });
de493f1997-04-28Henrik Grubbström (Grubba)  if(catch(query("_seclevels"))) {
b1fca01996-11-12Per Hedbor  return patterns;
de493f1997-04-28Henrik Grubbström (Grubba)  }
b1fca01996-11-12Per Hedbor  foreach(replace(query("_seclevels"),({" ","\t","\\\n"}),({"","",""}))/"\n",sl) { if(!strlen(sl) || sl[0]=='#') continue;
de493f1997-04-28Henrik Grubbström (Grubba)  // sl = lower_case(sl); // Lower case? /grubba
b1fca01996-11-12Per Hedbor  string type, value; if(sscanf(sl, "%s=%s", type, value)==2) { value = replace(value, ({ "?", ".", "*" }), ({ ".", "\.", ".*" }));
de493f1997-04-28Henrik Grubbström (Grubba)  switch(lower_case(type))
b1fca01996-11-12Per Hedbor  { case "allowip":
5798961996-11-12Mirar (Pontus Hagland)  patterns += ({ ({ MOD_ALLOW, Regexp(value)->match, }) });
b1fca01996-11-12Per Hedbor  break; case "denyip":
5798961996-11-12Mirar (Pontus Hagland)  patterns += ({ ({ MOD_DENY, Regexp(value)->match, }) });
b1fca01996-11-12Per Hedbor  break;
f6d62d1997-03-26Per Hedbor  case "allowuser": array(string) users = (value/"," - ({""})); int i; for(i=0; i < sizeof(users); i++) {
de493f1997-04-28Henrik Grubbström (Grubba)  if (lower_case(users[i]) == "any") {
f6d62d1997-03-26Per Hedbor  if(this->register_module()[0] & MODULE_PROXY) patterns += ({ ({ MOD_PROXY_USER, lambda(){ return 1; } }) }); else patterns += ({ ({ MOD_USER, lambda(){ return 1; } }) }); break; } else { users[i & 0x0f] = "(^"+users[i]+"$)"; } if ((i & 0x0f) == 0x0f) { value = users[0..0x0f]*"|"; if(this->register_module()[0] & MODULE_PROXY) { patterns += ({ ({ MOD_PROXY_USER, Regexp(value)->match, }) }); } else { patterns += ({ ({ MOD_USER, Regexp(value)->match, }) }); } } } if (i & 0x0f) { value = users[0..(i-1)&0x0f]*"|"; if(this->register_module()[0] & MODULE_PROXY) { patterns += ({ ({ MOD_PROXY_USER, Regexp(value)->match, }) }); } else { patterns += ({ ({ MOD_USER, Regexp(value)->match, }) }); }
a397fe1996-12-13David Hedbor  }
b1fca01996-11-12Per Hedbor  break;
de493f1997-04-28Henrik Grubbström (Grubba)  default: perror("Unknown Security:Patterns directive\n"); break;
b1fca01996-11-12Per Hedbor  }
de493f1997-04-28Henrik Grubbström (Grubba)  } else { perror("Unknown Security:Patterns directive\n");
b1fca01996-11-12Per Hedbor  } } return patterns; } mixed stat_file(string f, object id){} mixed find_dir(string f, object id){} mixed real_file(string f, object id){}
e493e81997-07-11Per Hedbor object get_font_from_var(string base) { int weight, slant; switch(query(base+"_weight")) { case "light": weight=-1; break; default: weight=0; break; case "bold": weight=1; break; case "black": weight=2; break; } switch(query(base+"_slant")) { case "obligue": slant=-1; break; default: slant=0; break; case "italic": slant=1; break; } return get_font(query(base+"_font"), 32, weight, slant, "left", 0, 0); }