From 5df79c53745fde5d6c3340a2979b1429cd5892c1 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 8 Oct 2011 20:30:28 +0200
Subject: Initial import of htcd system 1.0

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 src/sh/user.cc | 445 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 445 insertions(+)
 create mode 100644 src/sh/user.cc

(limited to 'src/sh/user.cc')

diff --git a/src/sh/user.cc b/src/sh/user.cc
new file mode 100644
index 0000000..94285ef
--- /dev/null
+++ b/src/sh/user.cc
@@ -0,0 +1,445 @@
+/*************************************************************************
+ *
+ * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <sh/htc.h>
+
+int allow(const sref& s,const sref& grp,time_t now,int rootok)
+{
+  if(grp.empty()) return 1;
+  int n=s.find(':');
+  sref a=s.left(n);
+  if(rootok>=0&&a==root_tag) return rootok;
+  else if(grp==root_tag||a!=grp) return 0;
+  n=(a=s.past(n,1)).find(':'); sref b=a.past(n,1); a=a.left(n);
+  return (a.empty()||atoi(a)<=now)&&(b.empty()||now<atoi(b));
+}
+
+////////////////////////////////////////////////////////////////////////
+
+user_t::user_t(const user_t& us) : list(user_tabs)
+{
+  for(int i=0;i<user_tabs;i++) list[i]=us.list[i];
+}
+
+void user_t::operator=(const user_t& us)
+{
+  list.resize(user_tabs);
+  for(int i=0;i<user_tabs;i++) list[i]=us.list[i];
+}
+
+void user_t::reset()
+{
+  list.resize(user_tabs);
+  uid()=itoa(0);
+  group()=itoa(0);
+  fail()=itoa(0);
+  pin().clear();
+  alias().clear();
+  email().clear();
+  name().clear();
+  last()=itoa(0);
+  lastin()=lastin_def;
+  access().clear();
+}
+
+int user_t::allow(const sref& grp,time_t now,int rootok)
+{
+  sref first,rest=access();
+  while(Split(first,rest)) if(::allow(first,grp,now,rootok)) return 1;
+  return 0;
+}
+
+int user_t::allow_list(const sref& grps,time_t now,int rootok)
+{
+  sref first,rest=grps;
+  while(Split(first,rest)) if(!allow(first,now,rootok)) return 0;
+  return 1;
+}
+
+void user_t::add(const sref& grp)
+{
+  sref first,rest=access();
+  while(Split(first,rest)) if(first.left_first(':')==grp.left_first(':')) return;
+  mstring clear=grp;
+  if(clear.find(':')<0) { clear+=':'; clear+=itoa(time(0)); }
+  if(access().nempty()) access()+=' '; access()+=clear;
+}
+
+void user_t::add_list(const sref& grps) {
+  sref first,rest=grps;
+  while(Split(first,rest)) add(first);
+}
+
+void user_t::rem(const sref& grp)
+{
+  mstring m;
+  sref first,rest=access();
+  while(Split(first,rest))
+    if(first.left_first(':')!=grp) { if(m.nempty()) m+=' '; m+=first; }
+  access()=m;
+}
+
+void user_t::rem_list(const sref& grps)
+{
+  sref first,rest=grps;
+  while(Split(first,rest)) rem(first);
+}
+
+////////////////////////////////////////////////////////////////////////
+
+static dbmap* GetDB(Env& env,const sref& name)
+{
+  dbref_t* p=(dbref_t*)env.toks->get(name);
+  if(!env.is_clear(p)||!p->is_dbref()) THROW("htc: could not find system db "<<name);
+  p->db.remap();
+  return &p->db;
+}
+
+static int FindUser(Env& env,const sref& name)
+{
+  dbmap* users=GetDB(env,USERS_tag);
+  for(int i=0;i<users->size();i++) {
+    if(users->at(i,user_alias)==name) return atoi(users->at(i,user_uid));
+    sref first,rest=users->at(i,user_email);
+    while(Split(first,rest)) if(eqn(first,name)) return atoi(users->at(i,user_uid));
+  }
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////
+
+TOK_IMPL(setgroup) { Req(env)->group=First(env[0]); }
+TOK_IMPL(group) { out<<Req(env)->group; }
+
+TOK_IMPL(getgroups) {
+  dbmap* users=GetDB(env,USERS_tag);
+  mset m;
+  for(int i=0;i<users->size();i++) {
+    sref first,rest=users->at(i,user_access);
+    while(Split(first,rest)) m.insert(first.left_first(':'));
+  }
+  out<<m;
+}
+
+////////////////////////////////////////////////////////////////////////
+
+TOK_IMPL(getuser) {
+  out<<FindUser(env,env[0]);
+}
+
+TOK_IMPL(setuser) {
+  dbmap* users=GetDB(env,USERS_tag);
+  int row=users->Find(env[0]);
+  if(row>=0) users->Get(row,Req(env)->user.list);
+  else Req(env)->user.reset();
+}
+
+TOK_IMPL(remuser) {
+  dbmap* users=GetDB(env,USERS_tag);
+  int row=users->Find(env[0]);
+  if(row>=0) users->Rem(row);
+}
+
+TOK_IMPL(newuser) {
+  static const charset namends("*@.+");
+  user_t user;
+  sref first,rest=env[0];
+  Split(first,rest);
+  user.group()=first.left_first(':');
+  do user.add(first);
+  while(Split(first,rest));
+  user.pin()=Random(4);
+  user.email()=env[1];
+  rest=env[1]; while(Split(first,rest)) if(FindUser(env,first)) { out<<0; return; }
+  mstring tag,alias=env[1].left_first_of(namends);
+  while(FindUser(env,alias+tag)) tag=itoa(atoi(tag)+1);
+  user.alias()=alias+tag;
+  user.name()=env[2];
+  dbmap* users=GetDB(env,USERS_tag);
+  if(users->empty()) user.uid()=itoa(1);
+  else user.uid()=itoa(atoi(users->at(users->size()-1,user_uid))+1);
+  int row=users->Insert(user.list,1);
+  if(row<0) THROW("htc: could not add user - record not unique");
+  out<<user.uid();
+}
+
+//////////////////////////////////////////////////////////////////////////
+
+TOK_IMPL(user_id) { out<<Req(env)->user.uid(); }
+TOK_IMPL(user_group) { out<<Req(env)->user.group(); }
+TOK_IMPL(user_access) { out<<Req(env)->user.access(); }
+TOK_IMPL(user_clear) {
+  sref first,rest=Req(env)->user.access(); int n=0;
+  while(Split(first,rest)) { if(n++) out.put(' '); out<<first.left_first(':'); }
+}
+
+TOK_IMPL(user_fail) { out<<Req(env)->user.fail(); }
+TOK_IMPL(user_pin) { out<<Req(env)->user.pin(); }
+TOK_IMPL(user_alias) { out<<Req(env)->user.alias(); }
+TOK_IMPL(user_email) { out<<First(Req(env)->user.email()); }
+TOK_IMPL(user_emails) { out<<Req(env)->user.email(); }
+TOK_IMPL(user_name) { out<<Req(env)->user.name(); }
+TOK_IMPL(user_last) { out<<Req(env)->user.last(); }
+TOK_IMPL(user_lastin) { out<<Req(env)->user.lastin(); }
+
+//////////////////////////////////////////////////////////////////////////
+
+TOK_IMPL(user_group_set) { Req(env)->user.group()=env[0]; }
+TOK_IMPL(user_access_add) { Req(env)->user.add_list(env[0]); }
+TOK_IMPL(user_access_rem) { Req(env)->user.rem_list(env[0]); }
+TOK_IMPL(user_fail_set) { Req(env)->user.fail()=env[0]; }
+TOK_IMPL(user_pin_set) { Req(env)->user.pin()=env[0]; }
+TOK_IMPL(user_alias_set) { Req(env)->user.alias()=env[0]; }
+TOK_IMPL(user_emails_set) { Req(env)->user.email()=env[0]; }
+TOK_IMPL(user_name_set) { Req(env)->user.name()=env[0]; }
+TOK_IMPL(user_last_set) { Req(env)->user.last()=env[0]; }
+TOK_IMPL(user_lastin_set) { Req(env)->user.lastin()=env[0]; }
+
+//////////////////////////////////////////////////////////
+
+TOK_IMPL(user_update) {
+  htc_req* htc=Req(env);
+  int uid=atoi(htc->user.uid());
+  int who=FindUser(env,htc->user.alias());
+  if(who&&who!=uid) return;
+  sref first,rest=htc->user.email();
+  while(Split(first,rest)) {
+    who=FindUser(env,first);
+    if(who&&who!=uid) return;
+  }
+  dbmap* users=GetDB(env,USERS_tag);
+  int row=users->Find(htc->user.uid());
+  if(row>=0) users->Set(row,htc->user.list);
+}
+
+//////////////////////////////////////////////////////////
+
+TOK_IMPL(su) {
+  htc_req* htc=Req(env);
+  user_t tmp(htc->user);
+  dbmap* users=GetDB(env,USERS_tag);
+  int row=users->Find(env[0]);
+  if(row>=0) {
+    try {
+      users->Get(row,htc->user.list);
+      env.parg(out,1);
+      htc->user=tmp;
+    }
+    catch(...) {
+      htc->user=tmp;
+      throw;
+    }
+  }
+  else env.parg(out,2);
+}
+
+//////////////////////////////////////////////////////////
+
+void envAddUser(tokmap& T) throw(merror_t)
+{
+  TOK_ADD(setgroup,"x",tok_t::SYSONLY,
+          "%Set current group\n"
+          "%Syntax: \\setgroup{group}\n"
+          "%\n"
+          "%Nop function; only for logging and structure.\n"
+          );
+  TOK_ADD(group,"",tok_t::PUBLIC,
+          "%Get current group\n"
+          "%Syntax: \\group\n"
+          "%\n"
+          "%Nop function; only for logging and structure.\n"
+          );
+  
+  TOK_ADD(getgroups,"",tok_t::PUBLIC,
+          "%Get all groups\n"
+          "%Syntax: \\getgroups\n"
+          "%\n"
+          "%Scans users db for all groups used\n"
+          );
+
+  ///////////////////////////////////////////////////
+
+  TOK_ADD(getuser,"x",tok_t::SYSONLY,
+          "%Get user ID\n"
+          "%Syntax: \\getuser{alias/email}\n"
+          "%\n"
+          "%Returns the uid if found, or zero if not found\n"
+          );
+  TOK_ADD(setuser,"x",tok_t::SYSONLY,
+          "%Set current user\n"
+          "%Syntax: \\setuser{uid}\n"
+          );
+  TOK_ADD(remuser,"x",tok_t::SYSONLY,
+          "%Remove user\n"
+          "%Syntax: \\remuser{uid}\n"
+          );
+  TOK_ADD(newuser,"xxx",tok_t::SYSONLY,
+          "%Add a new user\n"
+          "%Syntax: \\newuser{clear}{email}{name}\n"
+          "%\n"
+          "%Returns the new uid if successful, otherwise zero.\n"
+          );
+
+  ///////////////////////////////////////////////////
+  
+  TOK_ADD(user_id,"",tok_t::PUBLIC,
+          "%Get uid of current user\n"
+          "%Syntax: \\user.id\n"
+          );
+  TOK_ADD(user_group,"",tok_t::PUBLIC,
+          "%Get group of current user\n"
+          "%Syntax: \\user.group\n"
+          );
+  TOK_ADD(user_access,"",tok_t::PUBLIC,
+          "%Get access of current user\n"
+          "%Syntax: \\user.access\n"
+          );
+  TOK_ADD(user_clear,"",tok_t::PUBLIC,
+          "%Get clearance of current user\n"
+          "%Syntax: \\user.clear\n"
+          "%\n"
+          "%This is a compiled list, without the time info.\n"
+          );
+  TOK_ADD(user_fail,"",tok_t::PUBLIC,
+          "%Get fail number of current user\n"
+          "%Syntax: \\user.fail\n"
+          );
+  TOK_ADD(user_pin,"",tok_t::SYSONLY,
+          "%Get pin of current user\n"
+          "%Syntax: \\user.pin\n"
+          );
+  TOK_ADD(user_alias,"",tok_t::PUBLIC,
+          "%Get alias of current user\n"
+          "%Syntax: \\user.alias\n"
+          );
+  TOK_ADD(user_email,"",tok_t::PUBLIC,
+          "%Get email of current user\n"
+          "%Syntax: \\user.email\n"
+          "%\n"
+          "%Note that the email list may contain several addresses;\n"
+          "%this function returns the first in the list.\n"
+          );
+  TOK_ADD(user_emails,"",tok_t::PUBLIC,
+          "%Get all email addresses of current user\n"
+          "%Syntax: \\user.emails\n"
+          );
+  TOK_ADD(user_name,"",tok_t::PUBLIC,
+          "%Get name of current user\n"
+          "%Syntax: \\user.name\n"
+          );
+  TOK_ADD(user_last,"",tok_t::PUBLIC,
+          "%Get last time logged in of current user\n"
+          "%Syntax: \\user.last\n"
+          );
+  TOK_ADD(user_lastin,"",tok_t::PUBLIC,
+          "%Get last IP address of current user\n"
+          "%Syntax: \\user.lastin\n"
+          );
+
+  ///////////////////////////////////////////////////
+  
+  TOK_ADD(user_group_set,"x",tok_t::SYSONLY,
+          "%Set group of current user\n"
+          "%Syntax: \\user.group.set{group}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_access_add,"x",tok_t::SYSONLY,
+          "%Add access to current user\n"
+          "%Syntax: \\user.access.add{group:start:stop}\n"
+          "%\n"
+          "%The :start:stop part may be omitted, in which case\n"
+          "%a start value of now, and a stop value of nil is set.\n"
+          "%\n"
+          "%In case of several group strings, they are all added.\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_access_rem,"x",tok_t::SYSONLY,
+          "%Remove access from current user\n"
+          "%Syntax: \\user.access.rem{group}\n"
+          "%\n"
+          "%In case of several groups, they are all removed.\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_fail_set,"x",tok_t::SYSONLY,
+          "%Set fail number of current user\n"
+          "%Syntax: \\user.fail.set{fail}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_pin_set,"x",tok_t::SYSONLY,
+          "%Set pin of current user\n"
+          "%Syntax: \\user.pin.set{pin}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_alias_set,"x",tok_t::SYSONLY,
+          "%Set alias of current user\n"
+          "%Syntax: \\user.alias.set{alias}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_emails_set,"x",tok_t::SYSONLY,
+          "%Set all email addresses of current user\n"
+          "%Syntax: \\user.emails.set{emails}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_name_set,"x",tok_t::SYSONLY,
+          "%Set name of current user\n"
+          "%Syntax: \\user.name.set{name}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_last_set,"x",tok_t::SYSONLY,
+          "%Set last time logged in of current user\n"
+          "%Syntax: \\user.last.set{last}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+  TOK_ADD(user_lastin_set,"x",tok_t::SYSONLY,
+          "%Set last IP address of current user\n"
+          "%Syntax: \\user.lastin.set{addr}\n"
+          "%\n"
+          "%Note that the changes take effect after a \\user.update\n"
+          );
+
+  ///////////////////////////////////////////////////
+
+  TOK_ADD(user_update,"",tok_t::SYSONLY,
+          "%Update the current user\n"
+          "%Syntax: \\user.update\n"
+          "%\n"
+          "%All changes a synchronous and immediately available.\n"
+          );
+
+  ///////////////////////////////////////////////////
+  
+  TOK_ADD(su,"xr?",tok_t::SYSONLY,
+          "%Set user temporary\n"
+          "%Syntax: \\su{uid}{body}<else>\n"
+          "%\n"
+          "%If set successfully, evaluates body, otherwise <else>.\n"
+          );
+
+  ///////////////////////////////////////////////////
+
+}
-- 
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