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/*
* Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define YPLDAP_USER "_ospfd"
#define YPLDAP_CONF_FILE "/etc/ypldap.conf"
#define DEFAULT_INTERVAL 600
#define _PATH_LDAPBIND_SOCK "/var/run/ypldap.sock"
#define LINE_WIDTH 1024
#define FILTER_WIDTH 128
#define ATTR_WIDTH 32
/* buffer */
struct buf {
TAILQ_ENTRY(buf) entry;
u_char *buf;
size_t size;
size_t max;
size_t wpos;
size_t rpos;
int fd;
};
struct msgbuf {
TAILQ_HEAD(, buf) bufs;
u_int32_t queued;
int fd;
};
#define IMSG_HEADER_SIZE sizeof(struct imsg_hdr)
#define MAX_IMSGSIZE 8192
struct buf_read {
u_char buf[MAX_IMSGSIZE];
u_char *rptr;
size_t wpos;
};
struct imsg_fd {
TAILQ_ENTRY(imsg_fd) entry;
int fd;
};
struct imsgbuf {
TAILQ_HEAD(, imsg_fd) fds;
struct buf_read r;
struct msgbuf w;
struct event ev;
void (*handler)(int, short, void *);
int fd;
pid_t pid;
short events;
void *data;
};
enum imsg_type {
IMSG_NONE = 0,
IMSG_GETPWENT = 1, /* sends nothing expects nothing */
IMSG_SETPWENT = 2, /* sends nothing expects nothing */
IMSG_GETPWNAM = 3, /* sends a name expects a line */
IMSG_GETPWID = 4, /* sends a uid_t expects a line */
IMSG_GETGRENT = 5, /* sends nothing expects nothing */
IMSG_SETGRENT = 6, /* sends nothing expects nothing */
IMSG_GETGRNAM = 7, /* sends a name expects a line */
IMSG_GETGRID = 8, /* sends a uid_t expects a line */
IMSG_CONF_START,
IMSG_CONF_IDM,
IMSG_CONF_SERVER,
IMSG_CONF_END,
IMSG_START_UPDATE,
IMSG_END_UPDATE,
IMSG_TRASH_UPDATE,
IMSG_PW_ENTRY,
IMSG_GRP_ENTRY
};
struct imsg_hdr {
u_int16_t type;
u_int16_t len;
u_int32_t peerid;
pid_t pid;
};
struct imsg {
struct imsg_hdr hdr;
void *data;
};
enum blockmodes {
BM_NORMAL,
BM_NONBLOCK,
};
enum {
PROC_MAIN,
PROC_CLIENT
} lb_process;
union req {
uid_t uid;
gid_t gid;
char nam[_PW_NAME_LEN+1];
};
struct userent {
RB_ENTRY(userent) ue_name_node;
RB_ENTRY(userent) ue_uid_node;
uid_t ue_uid;
char *ue_line;
};
struct groupent {
RB_ENTRY(groupent) ge_name_node;
RB_ENTRY(groupent) ge_gid_node;
gid_t ge_gid;
char *ge_line;
};
/*
* beck, djm, dlg: pay attention to the struct name
*/
struct idm {
TAILQ_ENTRY(idm) idm_entry;
char idm_name[MAXHOSTNAMELEN];
#define F_SSL 0x00100000
#define F_CONFIGURING 0x00200000
#define F_NEEDAUTH 0x00400000
#define F_FIXED_ATTR(n) (1<<n)
u_int32_t idm_flags; /* lower 20 reserved */
in_port_t idm_port;
char idm_binddn[LINE_WIDTH];
char idm_bindcred[LINE_WIDTH];
#define FILTER_USER 1
#define FILTER_GROUP 0
char idm_filters[2][FILTER_WIDTH];
#define ATTR_NAME 0
#define ATTR_PASSWD 1
#define ATTR_UID 2
#define ATTR_GID 3
#define ATTR_CLASS 4
#define ATTR_CHANGE 5
#define ATTR_EXPIRE 6
#define ATTR_GECOS 7
#define ATTR_DIR 8
#define ATTR_SHELL 9
#define ATTR_GR_NAME 10
#define ATTR_GR_PASSWD 11
#define ATTR_GR_GID 12
#define ATTR_GR_MEMBERS 13
#define ATTR_MAX 10
#define ATTR_GR_MIN 10
#define ATTR_GR_MAX 14
char idm_attrs[14][ATTR_WIDTH];
struct env *idm_env;
struct event idm_ev;
#ifdef SSL
struct ssl *idm_ssl;
#endif
};
struct idm_req {
union {
uid_t ik_uid;
uid_t ik_gid;
} ir_key;
char ir_line[LINE_WIDTH];
};
struct env {
#define YPLDAP_OPT_VERBOSE 0x01
#define YPLDAP_OPT_NOACTION 0x02
u_int8_t sc_opts;
#define YPMAP_PASSWD_BYNAME 0x00000001
#define YPMAP_PASSWD_BYUID 0x00000002
#define YPMAP_MASTER_PASSWD_BYNAME 0x00000004
#define YPMAP_MASTER_PASSWD_BYUID 0x00000008
#define YPMAP_GROUP_BYNAME 0x00000010
#define YPMAP_GROUP_BYGID 0x00000020
u_int32_t sc_flags;
char sc_domainname[MAXHOSTNAMELEN];
struct timeval sc_conf_tv;
struct event sc_conf_ev;
TAILQ_HEAD(idm_list, idm) sc_idms;
struct imsgbuf *sc_ibuf;
RB_HEAD(user_name_tree,userent) *sc_user_names;
RB_HEAD(user_uid_tree,userent) sc_user_uids;
RB_HEAD(group_name_tree,groupent)*sc_group_names;
RB_HEAD(group_gid_tree,groupent) sc_group_gids;
struct user_name_tree *sc_user_names_t;
struct group_name_tree *sc_group_names_t;
size_t sc_user_line_len;
size_t sc_group_line_len;
char *sc_user_lines;
char *sc_group_lines;
struct yp_data *sc_yp;
};
/* buffer.c */
struct buf *buf_open(size_t);
struct buf *buf_dynamic(size_t, size_t);
int buf_add(struct buf *, void *, size_t);
void *buf_reserve(struct buf *, size_t);
int buf_close(struct msgbuf *, struct buf *);
void buf_free(struct buf *);
void msgbuf_init(struct msgbuf *);
void msgbuf_clear(struct msgbuf *);
int msgbuf_write(struct msgbuf *);
/* imsg.c */
void imsg_init(struct imsgbuf *, int, void (*)(int, short, void *));
ssize_t imsg_read(struct imsgbuf *);
ssize_t imsg_get(struct imsgbuf *, struct imsg *);
int imsg_compose(struct imsgbuf *, enum imsg_type, u_int32_t, pid_t,
void *, u_int16_t);
#if 0
int imsg_get_fd(struct imsgbuf *);
int imsg_composev(struct imsgbuf *, enum imsg_type, u_int32_t,
pid_t, const struct iovec *, int);
int imsg_flush(struct imsgbuf *);
#endif
struct buf *imsg_create(struct imsgbuf *, enum imsg_type, u_int32_t, pid_t,
u_int16_t);
int imsg_add(struct buf *, void *, u_int16_t);
int imsg_close(struct imsgbuf *, struct buf *);
void imsg_free(struct imsg *);
void imsg_event_add(struct imsgbuf *); /* needs to be provided externally */
void imsg_clear(struct imsgbuf *);
/* log.c */
void log_init(int);
void log_warn(const char *, ...);
void log_warnx(const char *, ...);
void log_info(const char *, ...);
void log_debug(const char *, ...);
__dead void fatal(const char *);
__dead void fatalx(const char *);
/* parse.y */
int parse_config(struct env *, const char *, int);
int cmdline_symset(char *);
/* listener.c */
void listener_setup(struct env *);
void listener_init(struct env *);
/* ldapclient.c */
pid_t ldapclient(int []);
/* ypldap.c */
void purge_config(struct env *);
/* entries.c */
void flatten_entries(struct env *);
int userent_name_cmp(struct userent *, struct userent *);
int userent_uid_cmp(struct userent *, struct userent *);
int groupent_name_cmp(struct groupent *, struct groupent *);
int groupent_gid_cmp(struct groupent *, struct groupent *);
RB_PROTOTYPE( user_name_tree, userent, ue_name_node, userent_name_cmp);
RB_PROTOTYPE( user_uid_tree, userent, ue_uid_node, userent_uid_cmp);
RB_PROTOTYPE( group_name_tree, groupent, ge_name_node, groupent_name_cmp);
RB_PROTOTYPE( group_gid_tree, groupent, ge_gid_node, groupent_gid_cmp);
/* yp.c */
void yp_init(struct env *);
void yp_enable_events(void);
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