usr.sbin/ypldap/ypldap.h

   1 /*      $OpenBSD: ypldap.h,v 1.16 2015/01/16 06:40:22 deraadt Exp $ */
   2 /*      $FreeBSD$ */
   3
   4 /*
   5  * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #include <imsg.h>
  21
  22 #define YPLDAP_USER             "_ypldap"
  23 #define YPLDAP_CONF_FILE        "/etc/ypldap.conf"
  24 #define DEFAULT_INTERVAL        600
  25 #define LINE_WIDTH              1024
  26 #define FILTER_WIDTH            128
  27 #define ATTR_WIDTH              32
  28
  29 #define        MAX_SERVERS_DNS                 8
  30
  31 enum imsg_type {
  32         IMSG_NONE,
  33         IMSG_CONF_START,
  34         IMSG_CONF_IDM,
  35         IMSG_CONF_END,
  36         IMSG_START_UPDATE,
  37         IMSG_END_UPDATE,
  38         IMSG_TRASH_UPDATE,
  39         IMSG_PW_ENTRY,
  40         IMSG_GRP_ENTRY,
  41         IMSG_HOST_DNS
  42 };
  43
  44 struct ypldap_addr {
  45         struct ypldap_addr              *next;
  46         struct sockaddr_storage          ss;
  47 };
  48
  49 enum {
  50         PROC_MAIN,
  51         PROC_CLIENT
  52 } ypldap_process;
  53
  54 struct userent {
  55         RB_ENTRY(userent)                ue_name_node;
  56         RB_ENTRY(userent)                ue_uid_node;
  57         uid_t                            ue_uid;
  58         char                            *ue_line;
  59         char                            *ue_netid_line;
  60         gid_t                            ue_gid;
  61 };
  62
  63 struct groupent {
  64         RB_ENTRY(groupent)               ge_name_node;
  65         RB_ENTRY(groupent)               ge_gid_node;
  66         gid_t                            ge_gid;
  67         char                            *ge_line;
  68 };
  69
  70 enum client_state {
  71         STATE_NONE,
  72         STATE_DNS_INPROGRESS,
  73         STATE_DNS_TEMPFAIL,
  74         STATE_DNS_DONE,
  75         STATE_LDAP_FAIL,
  76         STATE_LDAP_DONE
  77 };
  78
  79 /*
  80  * beck, djm, dlg: pay attention to the struct name
  81  */
  82 struct idm {
  83         TAILQ_ENTRY(idm)                 idm_entry;
  84         u_int32_t                        idm_id;
  85         char                             idm_name[MAXHOSTNAMELEN];
  86 #define F_SSL                            0x00100000
  87 #define F_CONFIGURING                    0x00200000
  88 #define F_NEEDAUTH                       0x00400000
  89 #define F_FIXED_ATTR(n)                  (1<<n)
  90 #define F_LIST(n)                        (1<<n)
  91         enum client_state                idm_state;
  92         u_int32_t                        idm_flags; /* lower 20 reserved */
  93         u_int32_t                        idm_list;
  94         struct ypldap_addr              *idm_addr;
  95         in_port_t                        idm_port;
  96         char                             idm_binddn[LINE_WIDTH];
  97         char                             idm_bindcred[LINE_WIDTH];
  98         char                             idm_basedn[LINE_WIDTH];
  99         char                             idm_groupdn[LINE_WIDTH];
 100 #define FILTER_USER                      1
 101 #define FILTER_GROUP                     0
 102         char                             idm_filters[2][FILTER_WIDTH];
 103 #define ATTR_NAME                        0
 104 #define ATTR_PASSWD                      1
 105 #define ATTR_UID                         2
 106 #define ATTR_GID                         3
 107 #define ATTR_CLASS                       4
 108 #define ATTR_CHANGE                      5
 109 #define ATTR_EXPIRE                      6
 110 #define ATTR_GECOS                       7
 111 #define ATTR_DIR                         8
 112 #define ATTR_SHELL                       9
 113 #define ATTR_GR_NAME                     10
 114 #define ATTR_GR_PASSWD                   11
 115 #define ATTR_GR_GID                      12
 116 #define ATTR_GR_MEMBERS                  13
 117 #define ATTR_MAX                         10
 118 #define ATTR_GR_MIN                      10
 119 #define ATTR_GR_MAX                      14
 120         char                             idm_attrs[14][ATTR_WIDTH];
 121         struct env                      *idm_env;
 122         struct event                     idm_ev;
 123 #ifdef SSL
 124         struct ssl                      *idm_ssl;
 125 #endif
 126 };
 127
 128 struct idm_req {
 129         union {
 130                 uid_t                    ik_uid;
 131                 uid_t                    ik_gid;
 132         }                                ir_key;
 133         char                             ir_line[LINE_WIDTH];
 134 };
 135
 136 struct imsgev {
 137         struct imsgbuf           ibuf;
 138         void                    (*handler)(int, short, void *);
 139         struct event             ev;
 140         void                    *data;
 141         short                    events;
 142 };
 143
 144 struct env {
 145 #define YPLDAP_OPT_VERBOSE               0x01
 146 #define YPLDAP_OPT_NOACTION              0x02
 147         u_int8_t                         sc_opts;
 148 #define YPMAP_PASSWD_BYNAME              0x00000001
 149 #define YPMAP_PASSWD_BYUID               0x00000002
 150 #define YPMAP_MASTER_PASSWD_BYNAME       0x00000004
 151 #define YPMAP_MASTER_PASSWD_BYUID        0x00000008
 152 #define YPMAP_GROUP_BYNAME               0x00000010
 153 #define YPMAP_GROUP_BYGID                0x00000020
 154 #define YPMAP_NETID_BYNAME               0x00000040
 155         u_int32_t                        sc_flags;
 156
 157         u_int32_t                        sc_maxid;
 158
 159         char                             sc_domainname[MAXHOSTNAMELEN];
 160         struct timeval                   sc_conf_tv;
 161         struct event                     sc_conf_ev;
 162         TAILQ_HEAD(idm_list, idm)        sc_idms;
 163         struct imsgev                   *sc_iev;
 164         struct imsgev                   *sc_iev_dns;
 165
 166         RB_HEAD(user_name_tree,userent)  *sc_user_names;
 167         RB_HEAD(user_uid_tree,userent)   sc_user_uids;
 168         RB_HEAD(group_name_tree,groupent)*sc_group_names;
 169         RB_HEAD(group_gid_tree,groupent) sc_group_gids;
 170         struct user_name_tree            *sc_user_names_t;
 171         struct group_name_tree           *sc_group_names_t;
 172         size_t                           sc_user_line_len;
 173         size_t                           sc_group_line_len;
 174         char                            *sc_user_lines;
 175         char                            *sc_group_lines;
 176
 177         struct yp_data                  *sc_yp;
 178
 179         int                              update_trashed;
 180 };
 181
 182 /* log.c */
 183 void             log_init(int);
 184 void             log_warn(const char *, ...);
 185 void             log_warnx(const char *, ...);
 186 void             log_info(const char *, ...);
 187 void             log_debug(const char *, ...);
 188 void             logit(int, const char *, ...);
 189 void             vlog(int, const char *, va_list);
 190 __dead2 void     fatal(const char *);
 191 __dead2 void     fatalx(const char *);
 192
 193 /* parse.y */
 194 int              parse_config(struct env *, const char *, int);
 195 int              cmdline_symset(char *);
 196
 197 /* ldapclient.c */
 198 pid_t            ldapclient(int []);
 199
 200 /* ypldap.c */
 201 void             purge_config(struct env *);
 202 void             imsg_event_add(struct imsgev *);
 203 int              imsg_compose_event(struct imsgev *, u_int16_t, u_int32_t,
 204                     pid_t, int, void *, u_int16_t);
 205
 206 /* entries.c */
 207 void             flatten_entries(struct env *);
 208 int              userent_name_cmp(struct userent *, struct userent *);
 209 int              userent_uid_cmp(struct userent *, struct userent *);
 210 int              groupent_name_cmp(struct groupent *, struct groupent *);
 211 int              groupent_gid_cmp(struct groupent *, struct groupent *);
 212 RB_PROTOTYPE(    user_name_tree, userent, ue_name_node, userent_name_cmp);
 213 RB_PROTOTYPE(    user_uid_tree, userent, ue_uid_node, userent_uid_cmp);
 214 RB_PROTOTYPE(    group_name_tree, groupent, ge_name_node, groupent_name_cmp);
 215 RB_PROTOTYPE(    group_gid_tree, groupent, ge_gid_node, groupent_gid_cmp);
 216
 217 /* yp.c */
 218 void             yp_init(struct env *);
 219 void             yp_enable_events(void);
 220
 221 /* ypldap_dns.c */
 222 pid_t            ypldap_dns(int[2], struct passwd *);