1 /* $OpenBSD: ypldap.h,v 1.16 2015/01/16 06:40:22 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <imsg.h> 20 21 #define YPLDAP_USER "_ypldap" 22 #define YPLDAP_CONF_FILE "/etc/ypldap.conf" 23 #define DEFAULT_INTERVAL 600 24 #define LINE_WIDTH 1024 25 #define FILTER_WIDTH 128 26 #define ATTR_WIDTH 32 27 28 #define MAX_SERVERS_DNS 8 29 30 enum imsg_type { 31 IMSG_NONE, 32 IMSG_CONF_START, 33 IMSG_CONF_IDM, 34 IMSG_CONF_END, 35 IMSG_START_UPDATE, 36 IMSG_END_UPDATE, 37 IMSG_TRASH_UPDATE, 38 IMSG_PW_ENTRY, 39 IMSG_GRP_ENTRY, 40 IMSG_HOST_DNS 41 }; 42 43 struct ypldap_addr { 44 TAILQ_ENTRY(ypldap_addr) next; 45 struct sockaddr_storage ss; 46 }; 47 TAILQ_HEAD(ypldap_addr_list, ypldap_addr); 48 49 enum ypldap_process_type { 50 PROC_MAIN, 51 PROC_CLIENT 52 }; 53 extern enum ypldap_process_type ypldap_process; 54 55 struct userent { 56 RB_ENTRY(userent) ue_name_node; 57 RB_ENTRY(userent) ue_uid_node; 58 uid_t ue_uid; 59 char *ue_line; 60 char *ue_netid_line; 61 gid_t ue_gid; 62 }; 63 64 struct groupent { 65 RB_ENTRY(groupent) ge_name_node; 66 RB_ENTRY(groupent) ge_gid_node; 67 gid_t ge_gid; 68 char *ge_line; 69 }; 70 71 enum client_state { 72 STATE_NONE, 73 STATE_DNS_INPROGRESS, 74 STATE_DNS_TEMPFAIL, 75 STATE_DNS_DONE, 76 STATE_LDAP_FAIL, 77 STATE_LDAP_DONE 78 }; 79 80 /* 81 * beck, djm, dlg: pay attention to the struct name 82 */ 83 struct idm { 84 TAILQ_ENTRY(idm) idm_entry; 85 u_int32_t idm_id; 86 char idm_name[MAXHOSTNAMELEN]; 87 #define F_SSL 0x00100000 88 #define F_CONFIGURING 0x00200000 89 #define F_NEEDAUTH 0x00400000 90 #define F_FIXED_ATTR(n) (1<<n) 91 #define F_LIST(n) (1<<n) 92 enum client_state idm_state; 93 u_int32_t idm_flags; /* lower 20 reserved */ 94 u_int32_t idm_list; 95 struct ypldap_addr_list idm_addr; 96 in_port_t idm_port; 97 char idm_binddn[LINE_WIDTH]; 98 char idm_bindcred[LINE_WIDTH]; 99 char idm_basedn[LINE_WIDTH]; 100 char idm_groupdn[LINE_WIDTH]; 101 #define FILTER_USER 1 102 #define FILTER_GROUP 0 103 char idm_filters[2][FILTER_WIDTH]; 104 #define ATTR_NAME 0 105 #define ATTR_PASSWD 1 106 #define ATTR_UID 2 107 #define ATTR_GID 3 108 #define ATTR_CLASS 4 109 #define ATTR_CHANGE 5 110 #define ATTR_EXPIRE 6 111 #define ATTR_GECOS 7 112 #define ATTR_DIR 8 113 #define ATTR_SHELL 9 114 #define ATTR_GR_NAME 10 115 #define ATTR_GR_PASSWD 11 116 #define ATTR_GR_GID 12 117 #define ATTR_GR_MEMBERS 13 118 #define ATTR_MAX 10 119 #define ATTR_GR_MIN 10 120 #define ATTR_GR_MAX 14 121 char idm_attrs[14][ATTR_WIDTH]; 122 struct env *idm_env; 123 struct event idm_ev; 124 #ifdef SSL 125 struct ssl *idm_ssl; 126 #endif 127 }; 128 129 struct idm_req { 130 union { 131 uid_t ik_uid; 132 uid_t ik_gid; 133 } ir_key; 134 char ir_line[LINE_WIDTH]; 135 }; 136 137 struct imsgev { 138 struct imsgbuf ibuf; 139 void (*handler)(int, short, void *); 140 struct event ev; 141 void *data; 142 short events; 143 }; 144 145 struct env { 146 #define YPLDAP_OPT_VERBOSE 0x01 147 #define YPLDAP_OPT_NOACTION 0x02 148 u_int8_t sc_opts; 149 #define YPMAP_PASSWD_BYNAME 0x00000001 150 #define YPMAP_PASSWD_BYUID 0x00000002 151 #define YPMAP_MASTER_PASSWD_BYNAME 0x00000004 152 #define YPMAP_MASTER_PASSWD_BYUID 0x00000008 153 #define YPMAP_GROUP_BYNAME 0x00000010 154 #define YPMAP_GROUP_BYGID 0x00000020 155 #define YPMAP_NETID_BYNAME 0x00000040 156 u_int32_t sc_flags; 157 158 u_int32_t sc_maxid; 159 160 char sc_domainname[MAXHOSTNAMELEN]; 161 struct timeval sc_conf_tv; 162 struct event sc_conf_ev; 163 TAILQ_HEAD(idm_list, idm) sc_idms; 164 struct imsgev *sc_iev; 165 struct imsgev *sc_iev_dns; 166 167 RB_HEAD(user_name_tree,userent) *sc_user_names; 168 RB_HEAD(user_uid_tree,userent) sc_user_uids; 169 RB_HEAD(group_name_tree,groupent)*sc_group_names; 170 RB_HEAD(group_gid_tree,groupent) sc_group_gids; 171 struct user_name_tree *sc_user_names_t; 172 struct group_name_tree *sc_group_names_t; 173 size_t sc_user_line_len; 174 size_t sc_group_line_len; 175 char *sc_user_lines; 176 char *sc_group_lines; 177 178 struct yp_data *sc_yp; 179 180 int update_trashed; 181 }; 182 183 /* log.c */ 184 void log_init(int); 185 void log_warn(const char *, ...); 186 void log_warnx(const char *, ...); 187 void log_info(const char *, ...); 188 void log_debug(const char *, ...); 189 void logit(int, const char *, ...); 190 void vlog(int, const char *, va_list); 191 __dead2 void fatal(const char *); 192 __dead2 void fatalx(const char *); 193 194 /* parse.y */ 195 int parse_config(struct env *, const char *, int); 196 int cmdline_symset(char *); 197 198 /* ldapclient.c */ 199 pid_t ldapclient(int [2]); 200 201 /* ypldap.c */ 202 void purge_config(struct env *); 203 void imsg_event_add(struct imsgev *); 204 int imsg_compose_event(struct imsgev *, u_int16_t, u_int32_t, 205 pid_t, int, void *, u_int16_t); 206 207 /* entries.c */ 208 void flatten_entries(struct env *); 209 int userent_name_cmp(struct userent *, struct userent *); 210 int userent_uid_cmp(struct userent *, struct userent *); 211 int groupent_name_cmp(struct groupent *, struct groupent *); 212 int groupent_gid_cmp(struct groupent *, struct groupent *); 213 RB_PROTOTYPE( user_name_tree, userent, ue_name_node, userent_name_cmp); 214 RB_PROTOTYPE( user_uid_tree, userent, ue_uid_node, userent_uid_cmp); 215 RB_PROTOTYPE( group_name_tree, groupent, ge_name_node, groupent_name_cmp); 216 RB_PROTOTYPE( group_gid_tree, groupent, ge_gid_node, groupent_gid_cmp); 217 218 /* yp.c */ 219 void yp_init(struct env *); 220 void yp_enable_events(void); 221 222 /* ypldap_dns.c */ 223 pid_t ypldap_dns(int[2], struct passwd *); 224