X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fstatd%2Fmonitor.c;h=88b33db0ab478ac22a4bd33384a4cb204a244665;hp=8c1bb50ef98a076aadb00ecc3dbf2f66882e3a28;hb=90980eb1b3e2dff06a32026d7b1bcbf7eba5e82b;hpb=430052cab3c8044ef6d1be7b5a5ded13c45d0c40 diff --git a/utils/statd/monitor.c b/utils/statd/monitor.c index 8c1bb50..88b33db 100644 --- a/utils/statd/monitor.c +++ b/utils/statd/monitor.c @@ -19,6 +19,7 @@ #include "misc.h" #include "statd.h" #include "notlist.h" +#include "ha-callout.h" notify_list * rtnl = NULL; /* Run-time notify list. */ @@ -177,6 +178,8 @@ sm_mon_1_svc(struct mon *argp, struct svc_req *rqstp) goto failure; } free(path); + /* PRC: do the HA callout: */ + ha_callout("add-client", mon_name, my_name, -1); nlist_insert(&rtnl, clnt); close(fd); @@ -207,9 +210,27 @@ sm_unmon_1_svc(struct mon_id *argp, struct svc_req *rqstp) char *mon_name = argp->mon_name, *my_name = argp->my_id.my_name; struct my_id *id = &argp->my_id; +#ifdef RESTRICTED_STATD + struct in_addr caller; +#endif result.state = MY_STATE; +#ifdef RESTRICTED_STATD + /* 1. Reject anyone not calling from 127.0.0.1. + * Ignore the my_name specified by the caller, and + * use "127.0.0.1" instead. + */ + caller = svc_getcaller(rqstp->rq_xprt)->sin_addr; + if (caller.s_addr != htonl(INADDR_LOOPBACK)) { + note(N_WARNING, + "Call to statd from non-local host %s", + inet_ntoa(caller)); + goto failure; + } + my_name = "127.0.0.1"; +#endif + /* Check if we're monitoring anyone. */ if (!(clnt = rtnl)) { note(N_WARNING, @@ -232,6 +253,10 @@ sm_unmon_1_svc(struct mon_id *argp, struct svc_req *rqstp) /* Match! */ dprintf(N_DEBUG, "UNMONITORING %s for %s", mon_name, my_name); + + /* PRC: do the HA callout: */ + ha_callout("del-client", mon_name, my_name, -1); + nlist_free(&rtnl, clnt); xunlink(SM_DIR, mon_name, 1); @@ -240,6 +265,7 @@ sm_unmon_1_svc(struct mon_id *argp, struct svc_req *rqstp) clnt = NL_NEXT(clnt); } + failure: note(N_WARNING, "Received erroneous SM_UNMON request from %s for %s", my_name, mon_name); return (&result); @@ -252,16 +278,33 @@ sm_unmon_all_1_svc(struct my_id *argp, struct svc_req *rqstp) short int count = 0; static sm_stat result; notify_list *clnt; + char *my_name = argp->my_name; +#ifdef RESTRICTED_STATD + struct in_addr caller; + + /* 1. Reject anyone not calling from 127.0.0.1. + * Ignore the my_name specified by the caller, and + * use "127.0.0.1" instead. + */ + caller = svc_getcaller(rqstp->rq_xprt)->sin_addr; + if (caller.s_addr != htonl(INADDR_LOOPBACK)) { + note(N_WARNING, + "Call to statd from non-local host %s", + inet_ntoa(caller)); + goto failure; + } + my_name = "127.0.0.1"; +#endif result.state = MY_STATE; if (!(clnt = rtnl)) { note(N_WARNING, "Received SM_UNMON_ALL request from %s " - "while not monitoring any hosts", argp->my_name); + "while not monitoring any hosts", my_name); return (&result); } - while ((clnt = nlist_gethost(clnt, argp->my_name, 1))) { + while ((clnt = nlist_gethost(clnt, my_name, 1))) { if (NL_MY_PROC(clnt) == argp->my_proc && NL_MY_PROG(clnt) == argp->my_prog && NL_MY_VERS(clnt) == argp->my_vers) { @@ -276,6 +319,8 @@ sm_unmon_all_1_svc(struct my_id *argp, struct svc_req *rqstp) sizeof (mon_name) - 1); mon_name[sizeof (mon_name) - 1] = '\0'; temp = NL_NEXT(clnt); + /* PRC: do the HA callout: */ + ha_callout("del-client", mon_name, my_name, -1); nlist_free(&rtnl, clnt); xunlink(SM_DIR, mon_name, 1); ++count; @@ -286,8 +331,8 @@ sm_unmon_all_1_svc(struct my_id *argp, struct svc_req *rqstp) if (!count) { dprintf(N_DEBUG, "SM_UNMON_ALL request from %s with no " - "SM_MON requests from it.", argp->my_name); + "SM_MON requests from it.", my_name); } - + failure: return (&result); }