From 84585387bd8cb1d1e86f8a5334a68d257aacdc12 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 12 Jun 2006 19:59:02 +0000 Subject: return all passwd fields, and made abstractions for converting UID<->username svn path=/trunk/externals/hcs/; revision=5196 --- passwd-help.pd | 56 +++++++++++ passwd.c | 224 ++++++++++++++++++++++++++++++++++++++++++++ uid0x2d0x3eusername-help.pd | 26 +++++ uid0x2d0x3eusername.pd | 18 ++++ username0x2d0x3euid-help.pd | 33 +++++++ username0x2d0x3euid.pd | 31 ++++++ 6 files changed, 388 insertions(+) create mode 100644 passwd-help.pd create mode 100644 passwd.c create mode 100644 uid0x2d0x3eusername-help.pd create mode 100644 uid0x2d0x3eusername.pd create mode 100644 username0x2d0x3euid-help.pd create mode 100644 username0x2d0x3euid.pd diff --git a/passwd-help.pd b/passwd-help.pd new file mode 100644 index 0000000..b23a7f5 --- /dev/null +++ b/passwd-help.pd @@ -0,0 +1,56 @@ +#N canvas 47 122 698 474 10; +#X obj 98 40 hsl 128 15 0 127 0 0 empty empty empty -2 -6 0 8 -262144 +-1 -1 0 1; +#X floatatom 95 63 5 0 0 0 User_ID - -; +#X obj 47 200 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X msg 194 148 10; +#X msg 112 86 bang; +#X text 209 168 <-- set by argument or cold inlet; +#X text 148 85 output current; +#X obj 94 167 passwd; +#X text 37 20 fetch passwd data based on UID or username; +#X msg 271 83 symbol hans; +#X symbolatom 10 359 0 0 0 3 username - -; +#X symbolatom 76 358 0 0 0 3 password - -; +#X floatatom 142 358 0 0 0 3 uid - -; +#X floatatom 173 358 0 0 0 3 gid - -; +#X symbolatom 278 366 0 0 0 3 user_access_class - -; +#X symbolatom 300 331 0 0 0 3 gecos - -; +#X symbolatom 337 297 0 0 0 3 home_folder - -; +#X symbolatom 376 264 0 0 0 3 shell - -; +#X msg 269 105 symbol trash; +#X text 361 105 ignore bad usernames; +#X text 363 83 use a symbolic username; +#X obj 76 224 unpack symbol symbol float float float float symbol symbol +symbol symbol float float; +#X floatatom 204 428 6 0 0 3 password_change_days - -; +#X floatatom 226 395 6 0 0 3 password_change_seconds - -; +#X floatatom 508 300 6 0 0 3 account_expire_days - -; +#X floatatom 530 267 6 0 0 3 account_expire_seconds - -; +#X msg 269 56 symbol daemon; +#X text 188 195 bang on right inlet if no match; +#X obj 138 195 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X connect 0 0 1 0; +#X connect 1 0 7 0; +#X connect 3 0 7 1; +#X connect 4 0 7 0; +#X connect 7 0 2 0; +#X connect 7 0 21 0; +#X connect 7 1 28 0; +#X connect 9 0 7 0; +#X connect 18 0 7 0; +#X connect 21 0 10 0; +#X connect 21 1 11 0; +#X connect 21 2 12 0; +#X connect 21 3 13 0; +#X connect 21 4 22 0; +#X connect 21 5 23 0; +#X connect 21 6 14 0; +#X connect 21 7 15 0; +#X connect 21 8 16 0; +#X connect 21 9 17 0; +#X connect 21 10 24 0; +#X connect 21 11 25 0; +#X connect 26 0 7 0; diff --git a/passwd.c b/passwd.c new file mode 100644 index 0000000..bb0a020 --- /dev/null +++ b/passwd.c @@ -0,0 +1,224 @@ +/* --------------------------------------------------------------------------*/ +/* */ +/* converts a UID number to a user name symbol */ +/* Written by Hans-Christoph Steiner */ +/* */ +/* Copyright (c) 2006 Hans-Christoph Steiner */ +/* */ +/* 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. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* --------------------------------------------------------------------------*/ + +#ifndef _WIN32 // this doesn't work on Windows (yet?) + +#include + +#ifdef _WIN32 +#define _WIN32_WINNT 0x0400 +#include +#include +#include +#else +#include +#include +#endif + +#include +/* +#include +#include +#include +*/ + +static char *version = "$Revision: 1.1 $"; + +t_int passwd_instance_count; + +#define DEBUG(x) +//#define DEBUG(x) x + +/*------------------------------------------------------------------------------ + * CLASS DEF + */ +static t_class *passwd_class; + +typedef struct _passwd { + t_object x_obj; + t_float x_uid; + t_outlet *x_data_outlet; + t_outlet *x_status_outlet; +} t_passwd; + +/*------------------------------------------------------------------------------ + * IMPLEMENTATION + */ + +static void passwd_output(t_passwd *x) +{ + DEBUG(post("passwd_output");); + struct passwd *passwd_pointer; + t_atom output_data[11]; + +#ifdef _WIN32 + /* TODO: implement for Windows! */ +#else + if( x->x_uid < 0 ) + { + post("[passwd]: ignoring UID less than zero or bad username"); + outlet_bang(x->x_status_outlet); + } + else + { + passwd_pointer = getpwuid((uid_t)x->x_uid); + if( passwd_pointer != NULL ) + { + SETSYMBOL(output_data, gensym(passwd_pointer->pw_passwd)); + SETFLOAT(output_data + 1, passwd_pointer->pw_uid); + SETFLOAT(output_data + 2, passwd_pointer->pw_gid); + SETFLOAT(output_data + 3, passwd_pointer->pw_change / 86400); + SETFLOAT(output_data + 4, passwd_pointer->pw_change % 86400); + SETSYMBOL(output_data + 5, gensym(passwd_pointer->pw_class)); + SETSYMBOL(output_data + 6, gensym(passwd_pointer->pw_gecos)); + SETSYMBOL(output_data + 7, gensym(passwd_pointer->pw_dir)); + SETSYMBOL(output_data + 8, gensym(passwd_pointer->pw_shell)); + SETFLOAT(output_data + 9, (passwd_pointer->pw_expire / 86400)); + SETFLOAT(output_data + 10, (passwd_pointer->pw_expire % 86400)); + outlet_anything(x->x_data_outlet, gensym(passwd_pointer->pw_name), + 11, output_data); + } + else + { + outlet_bang(x->x_status_outlet); + } + } +#endif /* _WIN32 */ +} + + +static t_float get_uid_from_arguments(int argc, t_atom *argv) +{ + t_symbol *first_argument; + t_float uid = -1; + struct passwd *passwd_pointer; + + if(argc == 0) return(0); + + if(argc != 1) + post("[passwd]: too many arguments (%d), ignoring all but the first", + argc); + + first_argument = atom_getsymbolarg(0,argc,argv); + if(first_argument == &s_) + { // single float arg means UID # + uid = atom_getfloatarg(0,argc,argv); + if( uid < 0 ) + { + error("[passwd]: UID less than zero not allowed (%d)", uid); + return(-1); + } + } + else + { // single symbol arg means username + passwd_pointer = getpwnam(first_argument->s_name); + if( passwd_pointer != NULL ) + return((t_float) passwd_pointer->pw_uid); + else + return(-1); + } + return(-1); +} + + +static void passwd_set(t_passwd *x, t_symbol *s, int argc, t_atom *argv) +{ + /* get rid of the unused variable warning with the if() statement */ + if( strcmp(s->s_name, "set") == 0 ) + x->x_uid = get_uid_from_arguments(argc, argv); +} + + +static void passwd_float(t_passwd *x, t_float f) +{ + x->x_uid = f; + passwd_output(x); +} + +static void passwd_symbol(t_passwd *x, t_symbol *s) +{ + t_atom argv[1]; + SETSYMBOL(argv, s); + passwd_set(x, gensym("set"), 1, argv); + passwd_output(x); +} + + +static void *passwd_new(t_symbol *s, int argc, t_atom *argv) +{ + DEBUG(post("passwd_new");); + + t_passwd *x = (t_passwd *)pd_new(passwd_class); + + if(!passwd_instance_count) + { + post("[passwd] %s",version); + post("\twritten by Hans-Christoph Steiner "); + post("\tcompiled on "__DATE__" at "__TIME__ " "); + } + passwd_instance_count++; + + floatinlet_new(&x->x_obj, &x->x_uid); + x->x_data_outlet = outlet_new(&x->x_obj, 0); + x->x_status_outlet = outlet_new(&x->x_obj, 0); + + passwd_set(x, gensym("set"), argc, argv); + + return (x); +} + + +void passwd_free(void) +{ +#ifdef _WIN32 +#else + endpwent(); +#endif /* _WIN32 */ +} + + +void passwd_setup(void) +{ + DEBUG(post("passwd_setup");); + passwd_class = class_new(gensym("passwd"), + (t_newmethod)passwd_new, + 0, + sizeof(t_passwd), + 0, + A_GIMME, + 0); + /* add inlet datatype methods */ + class_addbang(passwd_class, (t_method) passwd_output); + class_addfloat(passwd_class, (t_method) passwd_float); + class_addsymbol(passwd_class, (t_method) passwd_symbol); + /* add inlet message methods */ + class_addmethod(passwd_class, + (t_method) passwd_set, + gensym("set"), + A_GIMME, + 0); +} + +#endif /* NOT _WIN32 */ diff --git a/uid0x2d0x3eusername-help.pd b/uid0x2d0x3eusername-help.pd new file mode 100644 index 0000000..578b8fc --- /dev/null +++ b/uid0x2d0x3eusername-help.pd @@ -0,0 +1,26 @@ +#N canvas 185 212 477 316 10; +#X msg 14 148 bang; +#X obj 30 240 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X msg 271 159 bang; +#X obj 142 240 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X text 145 262 ^-- bang if not found; +#X text 12 14 convert a UID to a username; +#X symbolatom 55 242 0 0 0 0 - - -; +#X msg 143 162 1; +#X symbolatom 272 242 0 0 0 0 - - -; +#X obj 60 93 hsl 128 15 0 127 0 0 empty empty empty -2 -6 0 8 -262144 +-1 -1 300 1; +#X floatatom 58 123 5 0 0 0 - - -; +#X obj 56 190 uid->username; +#X obj 272 201 uid->username 0; +#X connect 0 0 11 0; +#X connect 2 0 12 0; +#X connect 7 0 11 1; +#X connect 9 0 10 0; +#X connect 10 0 11 0; +#X connect 11 0 1 0; +#X connect 11 0 6 0; +#X connect 11 1 3 0; +#X connect 12 0 8 0; diff --git a/uid0x2d0x3eusername.pd b/uid0x2d0x3eusername.pd new file mode 100644 index 0000000..ea7718c --- /dev/null +++ b/uid0x2d0x3eusername.pd @@ -0,0 +1,18 @@ +#N canvas 217 216 510 229 10; +#X obj 18 85 passwd; +#X obj 18 12 inlet; +#X obj 19 183 outlet; +#X obj 66 12 inlet; +#X obj 118 31 loadbang; +#X obj 66 59 purepd/float_argument \$1; +#X obj 82 183 outlet; +#X obj 18 118 list; +#X obj 18 147 list split 1; +#X connect 0 0 7 0; +#X connect 0 1 6 0; +#X connect 1 0 0 0; +#X connect 3 0 5 0; +#X connect 4 0 5 0; +#X connect 5 0 0 1; +#X connect 7 0 8 0; +#X connect 8 0 2 0; diff --git a/username0x2d0x3euid-help.pd b/username0x2d0x3euid-help.pd new file mode 100644 index 0000000..cd8b579 --- /dev/null +++ b/username0x2d0x3euid-help.pd @@ -0,0 +1,33 @@ +#N canvas 185 212 477 316 10; +#X msg 57 49 symbol root; +#X msg 76 81 symbol hans; +#X obj 56 190 username->uid; +#X floatatom 56 240 5 0 0 0 - - -; +#X text 12 14 convert a username to a UID.; +#X msg 14 148 bang; +#X msg 143 162 symbol daemon; +#X obj 30 240 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X msg 94 109 symbol lp; +#X msg 100 135 symbol trash; +#X floatatom 272 231 5 0 0 0 - - -; +#X msg 271 159 bang; +#X text 192 136 ignore bad usernames; +#X obj 142 240 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X text 145 262 ^-- bang if not found; +#X obj 409 228 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X obj 272 201 username->uid daemon; +#X connect 0 0 2 0; +#X connect 1 0 2 0; +#X connect 2 0 3 0; +#X connect 2 0 7 0; +#X connect 2 1 13 0; +#X connect 5 0 2 0; +#X connect 6 0 2 1; +#X connect 8 0 2 0; +#X connect 9 0 2 0; +#X connect 11 0 16 0; +#X connect 16 0 10 0; +#X connect 16 1 15 0; diff --git a/username0x2d0x3euid.pd b/username0x2d0x3euid.pd new file mode 100644 index 0000000..ecafa5c --- /dev/null +++ b/username0x2d0x3euid.pd @@ -0,0 +1,31 @@ +#N canvas 496 159 353 422 10; +#X obj 19 213 passwd; +#X obj 18 12 inlet; +#X obj 61 12 inlet; +#X obj 18 322 outlet; +#X obj 108 31 loadbang; +#X obj 56 59 purepd/any_argument \$1; +#X obj 57 93 route float; +#X obj 129 114 passwd; +#X obj 226 323 outlet; +#X obj 129 135 list; +#X obj 129 155 list split 3; +#X obj 129 176 list split 2; +#X obj 18 241 list; +#X obj 18 261 list split 3; +#X obj 18 282 list split 2; +#X connect 0 0 12 0; +#X connect 0 1 8 0; +#X connect 1 0 0 0; +#X connect 2 0 5 0; +#X connect 4 0 5 0; +#X connect 5 0 6 0; +#X connect 6 0 0 1; +#X connect 6 1 7 0; +#X connect 7 0 9 0; +#X connect 9 0 10 0; +#X connect 10 0 11 0; +#X connect 11 1 0 1; +#X connect 12 0 13 0; +#X connect 13 0 14 0; +#X connect 14 1 3 0; -- cgit v1.2.1