src/acl/external/kerberos_ldap_group/support.h

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /*
  10  * -----------------------------------------------------------------------------
  11  *
  12  * Author: Markus Moeller (markus_moeller at compuserve.com)
  13  *
  14  * Copyright (C) 2007 Markus Moeller. All rights reserved.
  15  *
  16  *   This program is free software; you can redistribute it and/or modify
  17  *   it under the terms of the GNU General Public License as published by
  18  *   the Free Software Foundation; either version 2 of the License, or
  19  *   (at your option) any later version.
  20  *
  21  *   This program is distributed in the hope that it will be useful,
  22  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  *   GNU General Public License for more details.
  25  *
  26  *   You should have received a copy of the GNU General Public License
  27  *   along with this program; if not, write to the Free Software
  28  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  29  *
  30  * -----------------------------------------------------------------------------
  31  */
  32
  33 #define KERBEROS_LDAP_GROUP_VERSION "1.4.0sq"
  34
  35 #include "compat/krb5.h"
  36
  37 #include <cstring>
  38 #if HAVE_COM_ERR_H
  39 #include <com_err.h>
  40 #endif /* HAVE_COM_ERR_H */
  41 #define LDAP_DEPRECATED 1
  42 #if HAVE_LDAP_REBIND_FUNCTION
  43 #define LDAP_REFERRALS
  44 #endif
  45 #if HAVE_LBER_H
  46 #include <lber.h>
  47 #endif
  48 #if HAVE_LDAP_H
  49 #include <ldap.h>
  50 #endif
  51 #if HAVE_MOZLDAP_LDAP_H
  52 #include <mozldap/ldap.h>
  53 #endif
  54
  55 struct gdstruct {
  56     char *group;
  57     char *domain;
  58     struct gdstruct *next;
  59 };
  60 struct ndstruct {
  61     char *netbios;
  62     char *domain;
  63     struct ndstruct *next;
  64 };
  65 struct lsstruct {
  66     char *lserver;
  67     char *domain;
  68     struct lsstruct *next;
  69 };
  70
  71 struct main_args {
  72     char *glist;
  73     char *ulist;
  74     char *tlist;
  75     char *nlist;
  76     char *llist;
  77     char *luser;
  78     char *lpass;
  79     char *lbind;
  80     char *lurl;
  81     char *ssl;
  82     int rc_allow;
  83     int AD;
  84     int mdepth;
  85     int nokerberos;
  86     char *ddomain;
  87     struct gdstruct *groups;
  88     struct ndstruct *ndoms;
  89     struct lsstruct *lservs;
  90     char *principal;
  91 };
  92
  93 SQUIDCEXTERN int log_enabled;
  94
  95 /* the macro overload style is really a gcc-ism */
  96 #ifdef __GNUC__
  97
  98 #define log(X...) \
  99                      if (log_enabled) { \
 100                          fprintf(stderr, "%s(%d): pid=%ld :", __FILE__, __LINE__, (long)getpid() ); \
 101                          fprintf(stderr,X); \
 102                      } else (void)0
 103
 104 #define error(X...) \
 105                      fprintf(stderr, "%s(%d): pid=%ld :", __FILE__, __LINE__, (long)getpid() ); \
 106                      fprintf(stderr,X); \
 107
 108 #define warn(X...) \
 109                      fprintf(stderr, "%s(%d): pid=%ld :", __FILE__, __LINE__, (long)getpid() ); \
 110                      fprintf(stderr,X); \
 111
 112 #else /* __GNUC__ */
 113
 114 /* non-GCC compilers can't do the above macro define yet. */
 115 void log(char *format,...);
 116 void error(char *format,...);
 117 void warn(char *format,...);
 118 #endif
 119
 120 struct hstruct {
 121     char *host;
 122     int port;
 123     int priority;
 124     int weight;
 125 };
 126
 127 struct ldap_creds {
 128     char *dn;
 129     char *pw;
 130 };
 131
 132 void init_args(struct main_args *margs);
 133 void clean_args(struct main_args *margs);
 134 const char *LogTime(void);
 135
 136 int check_memberof(struct main_args *margs, char *user, char *domain);
 137 int get_memberof(struct main_args *margs, char *user, char *domain, char *group);
 138
 139 char *get_netbios_name(struct main_args *margs, char *netbios);
 140
 141 int create_gd(struct main_args *margs);
 142 int create_nd(struct main_args *margs);
 143 int create_ls(struct main_args *margs);
 144
 145 size_t get_ldap_hostname_list(struct main_args *margs, struct hstruct **hlist, size_t nhosts, char *domain);
 146 size_t get_hostname_list(struct hstruct **hlist, size_t nhosts, char *name);
 147 size_t free_hostname_list(struct hstruct **hlist, size_t nhosts);
 148
 149 #if HAVE_SASL_H || HAVE_SASL_SASL_H || HAVE_SASL_DARWIN
 150 int tool_sasl_bind(LDAP * ld, char *binddn, char *ssl);
 151 #endif
 152
 153 #if HAVE_KRB5
 154 #define MAX_DOMAINS 16
 155 #define MAX_SKEW 300
 156 struct kstruct {
 157     krb5_context context;
 158     krb5_ccache cc[MAX_DOMAINS];
 159     char* mem_ccache[MAX_DOMAINS];
 160     int ncache;
 161 };
 162 int krb5_create_cache(char *domain, char* princ);
 163 void krb5_cleanup(void);
 164 #endif
 165
 166 #define PROGRAM "kerberos_ldap_group"
 167