/**
* @brief checks the entry using subfunctions based on params, if passed, prints it
*
* @param path the path to be processed
* @param params the parsed parameters
* @param attr the entry attributes from lstat
*
* @returns EXIT_SUCCESS, EXIT_FAILURE
*/
int do_file(char *path, params_t *params, struct stat attr) {
int printed = 0;
do {
/* ### FB: Mit ENUM Feld könnte hier ein switch genutzt werden und für mehr Übersicht sorgen. */
/* filtering */
if (params->type) {
if (do_type(params->type, attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS; /* the entry didn't pass the check, do not print it */
}
}
if (params->nouser) {
if (do_nouser(attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->user) {
if (do_user(params->userid, attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->name) {
if (do_name(path, params->name) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->path) {
if (do_path(path, params->path) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
/* printing */
if (params->print) {
if (do_print(path) != EXIT_SUCCESS) {
return EXIT_FAILURE; /* a fatal error occurred */
}
printed = 1;
}
if (params->ls) {
if (do_ls(path, attr) != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
printed = 1;
}
params = params->next;
} while (params);
if (printed == 0) {
if (do_print(path) != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
int opt, r;
char *alt_config = NULL;
int allusers = 0;
const char *audit_tool = NULL;
while ((opt = getopt(argc, argv, "C:A:a")) != EOF) {
switch (opt) {
case 'C': /* alt config file */
alt_config = optarg;
break;
case 'a':
allusers = 1;
break;
case 'A':
audit_tool = optarg;
break;
default:
usage();
}
}
cyrus_init(alt_config, "dav_reconstruct", 0, 0);
/* Set namespace -- force standard (internal) */
if ((r = mboxname_init_namespace(&recon_namespace, 1)) != 0) {
syslog(LOG_ERR, "%s", error_message(r));
fatal(error_message(r), EX_CONFIG);
}
signals_set_shutdown(&shut_down);
signals_add_handlers(0);
sqldb_init();
/* Initialize libical */
ical_support_init();
if (allusers) {
mboxlist_alluser(do_user, (void *)audit_tool);
}
else if (optind == argc) {
usage();
}
else {
int i;
for (i = optind; i < argc; i++)
do_user(argv[i], (void *)audit_tool);
}
exit(code);
}
/**
* @brief checks the entry using subfunctions based on params, if passed, prints it
*
* @param path the path to be processed
* @param params the parsed parameters
* @param attr the entry attributes from lstat
*
* @returns EXIT_SUCCESS, EXIT_FAILURE
*/
int do_file(char *path, params_t *params, struct stat attr) {
int printed = 0;
do {
/* filtering */
if (params->type) {
if (do_type(params->type, attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS; /* the entry didn't pass the check, do not print it */
}
}
if (params->nouser) {
if (do_nouser(attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->user) {
if (do_user(params->userid, attr) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->name) {
if (do_name(path, params->name) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
if (params->path) {
if (do_path(path, params->path) != EXIT_SUCCESS) {
return EXIT_SUCCESS;
}
}
/* printing */
if (params->print) {
if (do_print(path) != EXIT_SUCCESS) {
return EXIT_FAILURE; /* a fatal error occurred */
}
printed = 1;
}
if (params->ls) {
if (do_ls(path, attr) != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
printed = 1;
}
params = params->next;
} while (params);
if (printed == 0) {
if (do_print(path) != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
int beforec, afterc, i;
char *table, **before, **after;
struct rlimit rl;
getrlimit(RLIMIT_NOFILE, &rl);
for (i = rl.rlim_cur; i > 2; i--)
close(i);
whoami = ((whoami = strrchr(argv[0], '/')) ? whoami+1 : argv[0]);
table = argv[1];
beforec = atoi(argv[2]);
before = &argv[4];
afterc = atoi(argv[3]);
after = &argv[4 + beforec];
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
strcpy(tbl_buf, table);
strcat(tbl_buf, " (");
for (i = 0; i < beforec; i++)
{
if (i > 0)
strcat(tbl_buf, ",");
strcat(tbl_buf, before[i]);
}
strcat(tbl_buf, ")->(");
for (i = 0; i < afterc; i++)
{
if (i > 0)
strcat(tbl_buf, ",");
strcat(tbl_buf, after[i]);
}
strcat(tbl_buf, ")");
initialize_sms_error_table();
initialize_krb_error_table();
if (!strcmp(table, "users"))
do_user(before, beforec, after, afterc);
else if (!strcmp(table, "list"))
do_list(before, beforec, after, afterc);
else if (!strcmp(table, "imembers"))
do_member(before, beforec, after, afterc);
else if (!strcmp(table, "filesys"))
do_filesys(before, beforec, after, afterc);
else if (!strcmp(table, "quota"))
do_quota(before, beforec, after, afterc);
exit(0);
}
/*! \brief USER command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = username (login name, account)
* - parv[2] = client host name (ignored)
* - parv[3] = server host name (ignored)
* - parv[4] = user's real name info
*/
static int
mr_user(struct Client *source_p, int parc, char *parv[])
{
char *p = NULL;
if (source_p->connection->listener->flags & LISTENER_SERVER)
{
exit_client(source_p, "Use a different port");
return 0;
}
if (EmptyString(parv[4]))
{
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "USER");
return 0;
}
if ((p = strchr(parv[1], '@')))
*p = '\0';
do_user(source_p, parv[1], parv[4]);
return 0;
}
/*
* m_nick
* parv[0] = sender prefix
* parv[1] = nickname
* parv[2] = hopcount when new user; TS when nick change
* parv[3] = TS
* ---- new user only below ----
* parv[4] = umode
* parv[5] = username
* parv[6] = hostname
* parv[7] = server
* parv[8] = serviceid
* parv[9] = IP
* parv[10] = ircname
* -- endif
*/
int m_nick(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
struct simBan *ban;
aClient *acptr, *uplink;
Link *lp, *lp2;
char nick[NICKLEN + 2];
ts_val newts = 0;
int sameuser = 0, samenick = 0;
if (parc < 2)
{
sendto_one(sptr, err_str(ERR_NONICKNAMEGIVEN),
me.name, parv[0]);
return 0;
}
if (!IsServer(sptr) && IsServer(cptr) && parc > 2)
newts = atol(parv[2]);
else if (IsServer(sptr) && parc > 3)
newts = atol(parv[3]);
else
parc = 2;
/*
* parc == 2 on a normal client sign on (local) and a normal client
* nick change
* parc == 4 on a normal server-to-server client nick change
* parc == 11 on a normal TS style server-to-server NICK introduction
*/
if ((IsServer(sptr) || (parc > 4)) && (parc < 11))
{
/*
* We got the wrong number of params. Someone is trying to trick
* us. Kill it. -ThemBones As discussed with ThemBones, not much
* point to this code now sending a whack of global kills would
* also be more annoying then its worth, just note the problem,
* and continue -Dianora
*/
sendto_realops("IGNORING BAD NICK: %s[%s@%s] on %s (from %s)", parv[1],
(parc >= 6) ? parv[5] : "-",
(parc >= 7) ? parv[6] : "-",
(parc >= 8) ? parv[7] : "-", parv[0]);
return 0;
}
strncpyzt(nick, parv[1], NICKLEN + 1);
/*
* if do_nick_name() returns a null name OR if the server sent a
* nick name and do_nick_name() changed it in some way (due to rules
* of nick creation) then reject it. If from a server and we reject
* it, and KILL it. -avalon 4/4/92
*/
if (do_nick_name(nick) == 0 || (IsServer(cptr) && strcmp(nick, parv[1])))
{
sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME),
me.name, parv[0], parv[1], "Erroneous Nickname");
if (IsServer(cptr))
{
ircstp->is_kill++;
sendto_realops_lev(DEBUG_LEV, "Bad Nick: %s From: %s Via: %s",
parv[1], parv[0],
get_client_name(cptr, HIDEME));
sendto_one(cptr, ":%s KILL %s :%s (Bad Nick)",
me.name, parv[1], me.name);
if (sptr != cptr) { /* bad nick change */
sendto_serv_butone(cptr, ":%s KILL %s :%s (Bad Nick)", me.name,
parv[0], me.name);
sptr->flags |= FLAGS_KILLED;
return exit_client(cptr, sptr, &me, "BadNick");
}
}
return 0;
}
/*
* Check against nick name collisions.
*
* Put this 'if' here so that the nesting goes nicely on the screen
* :) We check against server name list before determining if the
* nickname is present in the nicklist (due to the way the below
* for loop is constructed). -avalon
*/
do
{
if ((acptr = find_server(nick, NULL)))
if (MyConnect(sptr))
{
sendto_one(sptr, err_str(ERR_NICKNAMEINUSE), me.name,
BadPtr(parv[0]) ? "*" : parv[0], nick);
return 0;
}
/*
* acptr already has result from find_server
* Well. unless we have a capricious server on the net, a nick can
* never be the same as a server name - Dianora
* That's not the only case; maybe someone broke do_nick_name
* or changed it so they could use "." in nicks on their network
* - sedition
*/
if (acptr)
{
/*
* We have a nickname trying to use the same name as a
* server. Send out a nick collision KILL to remove the
* nickname. As long as only a KILL is sent out, there is no
* danger of the server being disconnected. Ultimate way to
* jupiter a nick ? >;-). -avalon
*/
sendto_realops_lev(SKILL_LEV, "Nick collision on %s", sptr->name);
ircstp->is_kill++;
sendto_one(cptr, ":%s KILL %s :%s (Nick Collision)", me.name,
sptr->name, me.name);
sptr->flags |= FLAGS_KILLED;
return exit_client(cptr, sptr, &me, "Nick/Server collision");
}
if (!(acptr = find_client(nick, NULL)))
break;
/*
* If acptr == sptr, then we have a client doing a nick change
* between *equivalent* nicknames as far as server is concerned
* (user is changing the case of his/her nickname or somesuch)
*/
if (acptr == sptr)
{
if (strcmp(acptr->name, nick) == 0)
return 0;
else
break;
} /* If user is changing nick to itself no point in propogating */
/*
* Note: From this point forward it can be assumed that acptr !=
* sptr (point to different client structures).
*
* If the older one is "non-person", the new entry is just
* allowed to overwrite it. Just silently drop non-person, and
* proceed with the nick. This should take care of the "dormant
* nick" way of generating collisions...
*/
if (IsUnknown(acptr))
{
if (MyConnect(acptr))
{
exit_client(NULL, acptr, &me, "Overridden");
break;
}
else if (!(acptr->user))
{
sendto_realops_lev(SKILL_LEV, "Nick Collision on %s", parv[1]);
sendto_serv_butone(NULL, ":%s KILL %s :%s (Nick Collision)",
me.name, acptr->name, me.name);
acptr->flags |= FLAGS_KILLED;
/* Having no USER struct should be ok... */
return exit_client(cptr, acptr, &me,
"Got TS NICK before Non-TS USER");
}
}
if (!IsServer(cptr))
{
/*
* NICK is coming from local client connection. Just send
* error reply and ignore the command.
* parv[0] is empty on connecting clients
*/
sendto_one(sptr, err_str(ERR_NICKNAMEINUSE),
me.name, BadPtr(parv[0]) ? "*" : parv[0], nick);
return 0;
}
/*
* NICK was coming from a server connection. Means that the same
* nick is registered for different users by different server.
* This is either a race condition (two users coming online about
* same time, or net reconnecting) or just two net fragments
* becoming joined and having same nicks in use. We cannot have
* TWO users with same nick--purge this NICK from the system with
* a KILL... >;)
*
* Changed to something reasonable like IsServer(sptr) (true if
* "NICK new", false if ":old NICK new") -orabidoo
*/
if (IsServer(sptr))
{
/*
* A new NICK being introduced by a neighbouring server (e.g.
* message type "NICK new" received)
*/
if (!newts || !acptr->tsinfo || (newts == acptr->tsinfo))
{
sendto_realops_lev(SKILL_LEV, "Nick collision on %s", parv[1]);
ircstp->is_kill++;
sendto_one(acptr, err_str(ERR_NICKCOLLISION),
me.name, acptr->name, acptr->name);
sendto_serv_butone(NULL, ":%s KILL %s :%s (Nick Collision)",
me.name, acptr->name, me.name);
acptr->flags |= FLAGS_KILLED;
return exit_client(cptr, acptr, &me, "Nick collision");
}
else
{
/* XXX This looks messed up to me XXX - Raist */
sameuser = (acptr->user) &&
mycmp(acptr->user->username, parv[5]) == 0 &&
mycmp(acptr->user->host, parv[6]) == 0;
if ((sameuser && newts < acptr->tsinfo) ||
(!sameuser && newts > acptr->tsinfo))
{
return 0;
}
else
{
sendto_realops_lev(SKILL_LEV, "Nick collision on %s",parv[1]);
ircstp->is_kill++;
sendto_one(acptr, err_str(ERR_NICKCOLLISION),
me.name, acptr->name, acptr->name);
sendto_serv_butone(sptr, ":%s KILL %s :%s (Nick Collision)",
me.name, acptr->name, me.name);
acptr->flags |= FLAGS_KILLED;
(void) exit_client(cptr, acptr, &me, "Nick collision");
break;
}
}
}
/*
* * A NICK change has collided (e.g. message type * ":old NICK
* new". This requires more complex cleanout. * Both clients must be
* purged from this server, the "new" * must be killed from the
* incoming connection, and "old" must * be purged from all outgoing
* connections.
*/
if (!newts || !acptr->tsinfo || (newts == acptr->tsinfo) ||
!sptr->user)
{
sendto_realops_lev(SKILL_LEV, "Nick change collision: %s", parv[1]);
ircstp->is_kill++;
sendto_one(acptr, err_str(ERR_NICKCOLLISION),
me.name, acptr->name, acptr->name);
sendto_serv_butone(NULL, ":%s KILL %s :%s (Nick Collision)",me.name,
sptr->name, me.name);
ircstp->is_kill++;
sendto_serv_butone(NULL, ":%s KILL %s :%s (Nick Collision)",me.name,
acptr->name, me.name);
acptr->flags |= FLAGS_KILLED;
(void) exit_client(NULL, acptr, &me, "Nick collision(new)");
sptr->flags |= FLAGS_KILLED;
return exit_client(cptr, sptr, &me, "Nick collision(old)");
}
else
{
/* XXX This looks messed up XXX */
sameuser = mycmp(acptr->user->username, sptr->user->username) == 0
&& mycmp(acptr->user->host, sptr->user->host) == 0;
if ((sameuser && newts < acptr->tsinfo) ||
(!sameuser && newts > acptr->tsinfo)) {
if (sameuser)
sendto_realops_lev(SKILL_LEV,
"Nick change collision from %s to %s",
sptr->name, acptr->name);
ircstp->is_kill++;
sendto_serv_butone(cptr, ":%s KILL %s :%s (Nick Collision)", me.name,
sptr->name, me.name);
sptr->flags |= FLAGS_KILLED;
if (sameuser)
return exit_client(cptr, sptr, &me, "Nick collision(old)");
else
return exit_client(cptr, sptr, &me, "Nick collision(new)");
}
else
{
sendto_realops_lev(SKILL_LEV, "Nick collision on %s", acptr->name);
ircstp->is_kill++;
sendto_one(acptr, err_str(ERR_NICKCOLLISION),
me.name, acptr->name, acptr->name);
sendto_serv_butone(sptr, ":%s KILL %s :%s (Nick Collision)",me.name,
acptr->name, me.name);
acptr->flags |= FLAGS_KILLED;
(void) exit_client(cptr, acptr, &me, "Nick collision");
}
}
} while (0);
if (IsServer(sptr))
{
uplink = find_server(parv[7], NULL);
if(!uplink)
{
/* if we can't find the server this nick is on,
* complain loudly and ignore it. - lucas */
sendto_realops("Remote nick %s on UNKNOWN server %s",
nick, parv[7]);
return 0;
}
sptr = make_client(cptr, uplink);
/* If this is on a U: lined server, it's a U: lined client. */
if(IsULine(uplink))
sptr->flags|=FLAGS_ULINE;
add_client_to_list(sptr);
if (parc > 2)
sptr->hopcount = atoi(parv[2]);
if (newts)
{
sptr->tsinfo = newts;
}
else
{
newts = sptr->tsinfo = (ts_val) timeofday;
ts_warn("Remote nick %s introduced without a TS", nick);
}
/* copy the nick in place */
(void) strcpy(sptr->name, nick);
(void) add_to_client_hash_table(nick, sptr);
if (parc >= 10)
{
int *s, flag;
char *m;
/* parse the usermodes -orabidoo */
m = &parv[4][1];
while (*m)
{
for (s = user_modes; (flag = *s); s += 2)
if (*m == *(s + 1))
{
if ((flag == UMODE_o) || (flag == UMODE_O))
Count.oper++;
sptr->umode |= flag & SEND_UMODES;
break;
}
m++;
}
if (parc==10)
{
return do_user(nick, cptr, sptr, parv[5], parv[6],
parv[7], strtoul(parv[8], NULL, 0),
"0.0.0.0", parv[9]);
} else if (parc==11)
{
return do_user(nick, cptr, sptr, parv[5], parv[6], parv[7],
strtoul(parv[8], NULL, 0),
parv[9], parv[10]);
}
}
}
else if (sptr->name[0])
{
#ifdef DONT_CHECK_QLINE_REMOTE
if (MyConnect(sptr))
{
#endif
if ((ban = check_mask_simbanned(nick, SBAN_NICK)))
{
#ifndef DONT_CHECK_QLINE_REMOTE
if (!MyConnect(sptr))
sendto_realops("Restricted nick %s from %s on %s", nick,
(*sptr->name != 0 && !IsServer(sptr)) ?
sptr->name : "<unregistered>",
(sptr->user == NULL) ? ((IsServer(sptr)) ?
parv[6] : me.name) :
sptr->user->server);
#endif
if (MyConnect(sptr) && (!IsServer(cptr)) && (!IsOper(cptr))
&& (!IsULine(sptr)))
{
sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME), me.name,
BadPtr(parv[0]) ? "*" : parv[0], nick,
BadPtr(ban->reason) ? "Erroneous Nickname" :
ban->reason);
if (call_hooks(CHOOK_FORBID, cptr, nick, ban) != FLUSH_BUFFER)
sendto_realops_lev(REJ_LEV,
"Forbidding restricted nick %s from %s",
nick, get_client_name(cptr, FALSE));
return 0;
}
}
#ifdef DONT_CHECK_QLINE_REMOTE
}
#endif
if (MyConnect(sptr))
{
if (IsRegisteredUser(sptr))
{
/* before we change their nick, make sure they're not banned
* on any channels, and!! make sure they're not changing to
* a banned nick -sed */
/* a little cleaner - lucas */
for (lp = sptr->user->channel; lp; lp = lp->next)
{
if (can_send(sptr, lp->value.chptr, NULL))
{
sendto_one(sptr, err_str(ERR_BANNICKCHANGE), me.name,
sptr->name, lp->value.chptr->chname);
return 0;
}
if (nick_is_banned(lp->value.chptr, nick, sptr) != NULL)
{
sendto_one(sptr, err_str(ERR_BANONCHAN), me.name,
sptr->name, nick, lp->value.chptr->chname);
return 0;
}
}
#ifdef ANTI_NICK_FLOOD
if ((sptr->last_nick_change + MAX_NICK_TIME) < NOW)
sptr->number_of_nick_changes = 0;
sptr->last_nick_change = NOW;
sptr->number_of_nick_changes++;
if (sptr->number_of_nick_changes > MAX_NICK_CHANGES &&
!IsAnOper(sptr))
{
sendto_one(sptr,
":%s NOTICE %s :*** Notice -- Too many nick "
"changes. Wait %d seconds before trying again.",
me.name, sptr->name, MAX_NICK_TIME);
return 0;
}
#endif
/* If it changed nicks, -r it */
if ((sptr->umode & UMODE_r) && (mycmp(parv[0], nick) != 0))
{
unsigned int oldumode;
char mbuf[BUFSIZE];
oldumode = sptr->umode;
sptr->umode &= ~UMODE_r;
send_umode(sptr, sptr, oldumode, ALL_UMODES, mbuf);
}
/* LOCAL NICKHANGE */
/*
* Client just changing his/her nick. If he/she is on a
* channel, send note of change to all clients on that channel.
* Propagate notice to other servers.
*/
/* if the nickname is different, set the TS */
if (mycmp(parv[0], nick))
{
sptr->tsinfo = newts ? newts : (ts_val) timeofday;
}
sendto_common_channels(sptr, ":%s NICK :%s", parv[0],
nick);
if (sptr->user)
{
add_history(sptr, 1);
sendto_serv_butone(cptr, ":%s NICK %s :%ld",
parv[0], nick, sptr->tsinfo);
}
}
}
else
{
/* REMOTE NICKCHANGE */
/*
* Client just changing his/her nick. If he/she is on a
* channel, send note of change to all clients on that channel.
* Propagate notice to other servers.
*/
/* if the nickname is different, set the TS */
if (mycmp(parv[0], nick))
{
sptr->tsinfo = newts ? newts : (ts_val) timeofday;
}
sendto_common_channels(sptr, ":%s NICK :%s", parv[0], nick);
if (sptr->user)
{
add_history(sptr, 1);
sendto_serv_butone(cptr, ":%s NICK %s :%ld",
parv[0], nick, sptr->tsinfo);
}
/* If it changed nicks, -r it */
if (mycmp(parv[0], nick))
sptr->umode &= ~UMODE_r;
/*
* Flush the banserial for the channels the user is in, since this
* could be a SVSNICK induced nick change, which overrides any ban
* checking on the originating server.
*/
flush_user_banserial(sptr);
}
/* Remove dccallow entries for users who don't share common channel(s) unless they only change their nick capitalization -Kobi_S */
if(sptr->user && mycmp(parv[0], nick))
{
for(lp = sptr->user->dccallow; lp; lp = lp2)
{
lp2 = lp->next;
if(lp->flags == DCC_LINK_ME)
continue;
if(!find_shared_chan(sptr, lp->value.cptr))
{
sendto_one(lp->value.cptr, ":%s %d %s :%s has been removed from "
"your DCC allow list for signing off",
me.name, RPL_DCCINFO, lp->value.cptr->name, parv[0]);
del_dccallow(lp->value.cptr, sptr, 1);
}
}
}
}
else
{
/* Client setting NICK the first time */
if (MyConnect(sptr))
{
if ((ban = check_mask_simbanned(nick, SBAN_NICK)))
{
if (MyConnect(sptr) && (!IsServer(cptr)) && (!IsOper(cptr))
&& (!IsULine(sptr)))
{
sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME), me.name,
BadPtr(parv[0]) ? "*" : parv[0], nick,
BadPtr(ban->reason) ? "Erroneous Nickname" :
ban->reason);
if (call_hooks(CHOOK_FORBID, cptr, nick, ban) != FLUSH_BUFFER)
sendto_realops_lev(REJ_LEV,
"Forbidding restricted nick %s from %s", nick,
get_client_name(cptr, FALSE));
return 0;
}
}
}
strcpy(sptr->name, nick);
sptr->tsinfo = timeofday;
if (sptr->user)
{
/* USER already received, now we have NICK */
if (register_user(cptr, sptr, nick, sptr->user->username, NULL)
== FLUSH_BUFFER)
return FLUSH_BUFFER;
}
}
/* Finally set new nick name. */
if (sptr->name[0])
{
del_from_client_hash_table(sptr->name, sptr);
samenick = mycmp(sptr->name, nick) ? 0 : 1;
if (IsPerson(sptr))
{
if (!samenick)
hash_check_watch(sptr, RPL_LOGOFF);
#ifdef RWHO_PROBABILITY
probability_change(sptr->name, nick);
#endif
}
}
strcpy(sptr->name, nick);
add_to_client_hash_table(nick, sptr);
if (IsPerson(sptr) && !samenick)
hash_check_watch(sptr, RPL_LOGON);
return 0;
}
int
main(int argc, char **argv)
{
int opt, all_users = 0;
int ret = 1;
extern int optind;
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
sanitise_stdfd();
__progname = ssh_get_progname(argv[0]);
SSLeay_add_all_algorithms();
log_init(argv[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1);
/* We don't need the RNG ourselves, but symbol references here allow
* ld to link us properly.
*/
seed_rng();
while ((opt = getopt(argc, argv, "ahq")) != -1) {
switch (opt) {
case 'a':
all_users = 1;
break;
case 'q':
quiet = 1;
break;
case 'h':
default:
usage();
}
}
if (all_users) {
struct passwd *pw;
if (!do_host())
ret = 0;
while ((pw = getpwent()) != NULL) {
if (pw->pw_dir) {
if (!do_user(pw->pw_dir))
ret = 0;
}
}
} else if (optind == argc) {
struct passwd *pw;
if (!do_host())
ret = 0;
if ((pw = getpwuid(getuid())) == NULL)
fprintf(stderr, "No user found with uid %u\n",
(u_int)getuid());
else {
if (!do_user(pw->pw_dir))
ret = 0;
}
} else {
while (optind < argc)
if (!do_filename(argv[optind++], 0))
ret = 0;
}
return ret;
}
int main(int argc, char *argv[]) {
int rc, i;
pid_t pid = -1;
pid_t ppid = getpid();
uid_t uid = -1;
gid_t gid = -1;
_free_ char *user = NULL;
_free_ char *dest = NULL;
_free_ char *change = NULL;
_free_ char *env = NULL;
_free_ char *cgroup = NULL;
_close_ int master_fd = -1;
char *master_name;
int detach = 0;
int keepenv = 0;
siginfo_t status;
while ((rc = getopt_long(argc, argv, short_opts, long_opts, &i)) !=-1) {
switch (rc) {
case 'm':
validate_optlist("--mount", optarg);
add_mount_from_spec(optarg);
break;
case 'n':
clone_flags |= CLONE_NEWNET;
if (optarg != NULL) {
validate_optlist("--netif", optarg);
add_netif_from_spec(optarg);
}
break;
case 'u':
clone_flags |= CLONE_NEWUSER;
freep(&user);
user = strdup(optarg);
break;
case 'r':
freep(&dest);
dest = realpath(optarg, NULL);
if (dest == NULL) sysf_printf("realpath()");
break;
case 'c':
freep(&change);
change = strdup(optarg);
break;
case 'g':
validate_optlist("--cgroup", optarg);
validate_cgroup_spec(optarg);
freep(&change);
cgroup = strdup(optarg);
break;
case 'd':
detach = 1;
break;
case 'a': {
char *end = NULL;
pid = strtol(optarg, &end, 10);
if (*end != '\0')
fail_printf("Invalid value '%s' for --attach", optarg);
break;
}
case 's': {
validate_optlist("--setenv", optarg);
if (env != NULL) {
char *tmp = env;
rc = asprintf(&env, "%s,%s", env, optarg);
if (rc < 0) fail_printf("OOM");
freep(&tmp);
} else {
env = strdup(optarg);
}
break;
}
case 'k':
keepenv = 1;
break;
case 'U':
clone_flags &= ~(CLONE_NEWUSER);
break;
case 'M':
clone_flags &= ~(CLONE_NEWNS);
break;
case 'N':
clone_flags &= ~(CLONE_NEWNET);
break;
case 'I':
clone_flags &= ~(CLONE_NEWIPC);
break;
case 'H':
clone_flags &= ~(CLONE_NEWUTS);
break;
case 'P':
clone_flags &= ~(CLONE_NEWPID);
break;
case '?':
case 'h':
help();
return 0;
}
}
if (pid != -1) {
master_fd = recv_pty(pid);
if (master_fd < 0) fail_printf("Invalid PID '%u'", pid);
pid = -1;
goto process_fd;
}
if (user == NULL) {
user = strdup("root");
if (user == NULL) fail_printf("OOM");
}
open_master_pty(&master_fd, &master_name);
uid = getuid();
gid = getgid();
if (detach == 1)
do_daemonize();
pid = do_clone();
if (pid == 0) {
closep(&master_fd);
open_slave_pty(master_name);
rc = setsid();
if (rc < 0) sysf_printf("setsid()");
rc = prctl(PR_SET_PDEATHSIG, SIGKILL);
if (rc < 0) sysf_printf("prctl(PR_SET_PDEATHSIG)");
if (clone_flags & CLONE_NEWUSER)
map_user_to_user(uid, gid, user);
do_cgroup(cgroup, ppid);
do_mount(dest);
if (dest != NULL) {
copy_nodes(dest);
make_ptmx(dest);
make_symlinks(dest);
make_console(dest, master_name);
do_chroot(dest);
}
if (clone_flags & CLONE_NEWNET)
setup_loopback();
umask(0022);
/* TODO: drop capabilities */
do_user(user);
if (change != NULL) {
rc = chdir(change);
if (rc < 0) sysf_printf("chdir()");
}
if (dest != NULL) {
char *term = getenv("TERM");
if (keepenv == 0)
clearenv();
setenv("PATH", "/usr/sbin:/usr/bin:/sbin:/bin", 1);
setenv("USER", user, 1);
setenv("LOGNAME", user, 1);
setenv("TERM", term, 1);
}
if (env != NULL) {
size_t i, c;
_free_ char **vars = NULL;
_free_ char *tmp = strdup(env);
if (tmp == NULL) fail_printf("OOM");
c = split_str(tmp, &vars, ",");
for (i = 0; i < c; i++) {
rc = putenv(strdup(vars[i]));
if (rc != 0) sysf_printf("putenv()");
}
}
setenv("container", "pflask", 1);
if (argc > optind)
rc = execvpe(argv[optind], argv + optind, environ);
else
rc = execle("/bin/bash", "-bash", NULL, environ);
if (rc < 0) sysf_printf("exec()");
}
do_netif(pid);
process_fd:
if (detach == 1)
serve_pty(master_fd);
else
process_pty(master_fd);
if (pid == -1)
return 0;
kill(pid, SIGKILL);
rc = waitid(P_PID, pid, &status, WEXITED);
if (rc < 0) sysf_printf("waitid()");
switch (status.si_code) {
case CLD_EXITED:
if (status.si_status != 0)
err_printf("Child failed with code '%d'",
status.si_status);
else
ok_printf("Child exited");
break;
case CLD_KILLED:
err_printf("Child was terminated");
break;
default:
err_printf("Child failed");
break;
}
undo_cgroup(cgroup, ppid);
return status.si_status;
}
