1 #!/usr/bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22 
  23 #
  24 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27 # nfsmapid03.sh - nfsmapid tests for the following configuration:
  28 #
  29 #       NFSMAPID_DOMAIN   DNS TXT RR      DNS domain  NIS domain
  30 #       ===============   ==============  ==========  ==========
  31 #       No                No              Yes         Yes
  32 # 
  33 # Note that there are two ways to do the "DNS TXT RR not available" set up.
  34 # One is to remove the TXT RR string in named configuration files, another way
  35 # is to shutdown DNS server. Both of these two ways are used in test cases in
  36 # this file.
  37 #
  38 
  39 [[ -n "$DEBUG" ]] && [[ $DEBUG != 0 ]] && set -x
  40 
  41 # set up script execution environment
  42 . ./dom_env
  43 
  44 # should run as root
  45 is_root "$NAME{setup}:" "All tests for domain affected"
  46 
  47 # get timeout value nfsmapid uses for domain checking
  48 nfsdomain_tmout=$(get_nfsmapid_domain_tout_wrapper)
  49 
  50 # comment out NFSMAPID_DOMAIN string in /etc/default/nfs
  51 comm_domain_default_nfs
  52 
  53 # modify /var/named/dns.test.nfs.master to remove TXT RR
  54 chg_txt_field_dns /var/named/dns.test.nfs.master dummy=none
  55 
  56 # restart DNS server
  57 dns_service restart $TIMEOUT "failed to restart dns service" \
  58     "UNRESOLVED" || exit $UNRESOLVED
  59 
  60 # refresh nfsmapid server
  61 mapid_service refresh $TIMEOUT "failed to refresh mapid service" \
  62     "UNRESOLVED" || exit $UNRESOLVED
  63 
  64 # assertion list
  65 ASSERTIONS=${ASSERTIONS:-"a b c d"}
  66 
  67 # generate assertion descriptions
  68 gen_assert_desc $NAME "as_"
  69 
  70 #
  71 # Assertion definition
  72 #
  73 
  74 # as_a: No domain in /etc/default/nfs, DNS up, no TXT RR, get domain from
  75 #       /etc/resolv.conf
  76 function as_a {
  77         [[ -n "$DEBUG" ]] && [[ $DEBUG != 0 ]] && set -x
  78 
  79         exp=$dns_domain
  80         assertion a "$(get_assert_desc a)" $exp
  81 
  82         # Get mapid domain
  83         act=$(get_nfsmapid_domain)
  84 
  85         # Check Assertion
  86         ckres2 "get_nfsmapid_domain" "$act" "$exp" "domains differ" \
  87             || return $FAIL
  88 }
  89 
  90 # as_b1: Current domain is from /etc/default/nfs, change DNS domain to
  91 #       an invalid value, use the new DNS domain value after
  92 #       nfscfg_domain_tmout timer expires
  93 # as_b2: DNS domain changes back to a valid value, read the new DNS domain
  94 #       value and connect to the server to get TXT RR after nfscfg_domain_tmout
  95 #       timer expires
  96 #
  97 # Nfsmapid has a daemon thread to check domain configuration changes on the
  98 # system periodically(300 seconds by default). When it reads domain from 
  99 # /etc/default/nfs or /etc/resolv.conf files, it check those files' mtime 
 100 # first. If mtime wasn't changed, it just uses the cahced value; otherwise,
 101 # it reads the new value from those files.
 102 #
 103 # If DNS domain changes(as happend in above case), nfsmapid will connect to
 104 # the server to get the appropriate TXT RR, and use that as domain value.
 105 #
 106 # Test cases b1 and b2 tests the above behaviors.
 107 function as_b {
 108         [[ -n "$DEBUG" ]] && [[ $DEBUG != 0 ]] && set -x
 109 
 110         #
 111         # Assertion b1
 112         #
 113 
 114         new_dns_domain="new.domain.for.test"
 115         exp=$new_dns_domain
 116         assertion b1 "$(get_assert_desc b1)" $exp
 117 
 118         # Setup: change DNS domain to an invalid value
 119         chg_domain_dns $new_dns_domain
 120 
 121         # Wait for timeout and get mapid domain
 122         sleep $nfsdomain_tmout
 123         act=$(get_nfsmapid_domain)
 124 
 125         # Check Assertion
 126         ckres2 "get_nfsmapid_domain" "$act" "$exp" \
 127             "domains differ; $NAME{b2} skipped" || return $FAIL
 128 
 129         #
 130         # Assertion b2
 131         #
 132 
 133         exp=$txt_rr
 134         assertion b2 "$(get_assert_desc b2)" $exp
 135 
 136         # Setup: change DNS domain back to a valid value, and add TXT RR
 137         chg_domain_dns $dns_domain
 138         chg_txt_field_dns /var/named/dns.test.nfs.master $txt_rr
 139         dns_service restart $TIMEOUT "failed to restart dns service" \
 140             "UNRESOLVED" || return $UNRESOLVED
 141 
 142         # Wait for timeout and get mapid domain
 143         sleep $nfsdomain_tmout
 144         act=$(get_nfsmapid_domain)
 145 
 146         # Check Assertion
 147         ckres2 "get_nfsmapid_domain" "$act" "$exp" "domains differ" \
 148             || return $FAIL
 149 }
 150 
 151 # as_c1: No domain in /etc/default/nfs, DNS down, get domain from
 152 #       /etc/resolv.conf
 153 # as_c2: Then DNS up, use TXT RR as domain after 35 seconds
 154 #
 155 # If DNS is configured but the DNS server doesn't respond, nfsmapid starts
 156 # a thread to check that every 30 seconds. This test case is designed to 
 157 # test the polling behavior.
 158 function as_c {
 159         [[ -n "$DEBUG" ]] && [[ $DEBUG != 0 ]] && set -x
 160 
 161         #
 162         # Assertion c1
 163         #
 164 
 165         exp=$dns_domain
 166         assertion c1 "$(get_assert_desc c1)" $exp
 167 
 168         # Setup: disable DNS service
 169         dns_service disable $TIMEOUT "failed to disable dns service" \
 170             "UNRESOLVED" || return $UNRESOLVED
 171 
 172         # Get mapid domain
 173         mapid_service refresh $TIMEOUT "failed to refresh mapid service" \
 174             "UNRESOLVED" || return $UNRESOLVED
 175         act=$(get_nfsmapid_domain)
 176 
 177         # Check Assertion
 178         ckres2 "get_nfsmapid_domain" "$act" "$exp" \
 179             "domains differ; $NAME{c2} skipped" || return $FAIL
 180 
 181         #
 182         # Assertion c2
 183         #
 184 
 185         exp=$txt_rr
 186         assertion c2 "$(get_assert_desc c2)" $exp
 187 
 188         # Setup: set TXT RR value and enable DNS service
 189         chg_txt_field_dns /var/named/dns.test.nfs.master $txt_rr
 190         dns_service enable $TIMEOUT "failed to enable dns service" \
 191             "UNRESOLVED" || return $UNRESOLVED
 192 
 193         # Get mapid domain
 194         sleep 35
 195         act=$(get_nfsmapid_domain)
 196 
 197         # Check Assertion
 198         ckres2 "get_nfsmapid_domain" "$act" "$exp" "domains differ" \
 199             || return $FAIL
 200 }
 201 
 202 # as_d1: No domain in /etc/default/nfs, DNS up, no TXT RR, wait until
 203 #       nfscfg_domain_tmout timer expires, get domain from DNS domain,
 204 #       cache is off
 205 # as_d2: Then add TXT RR and restart DNS server, wait until
 206 #       nfscfg_domain_tmout timer expires, get domain from TXT RR, cache is on
 207 function as_d {
 208         [[ -n "$DEBUG" ]] && [[ $DEBUG != 0 ]] && set -x
 209 
 210         #
 211         # Assertion d1
 212         #
 213 
 214         exp=0
 215         assertion d1 "$(get_assert_desc d1)" $exp
 216 
 217         # Get mapid domain
 218         sleep $nfsdomain_tmout
 219         act=$(get_dns_txt_cache_flag)
 220         domain=$(get_nfsmapid_domain)
 221 
 222         # First check cache
 223         ckres2 -s "get_dns_txt_cache_flag" "$act" "$exp" \
 224             "cache should be off; $NAME{d2} skipped" || return $FAIL
 225 
 226         # Then check domain
 227         ckres2 "get_nfsmapid_domain" "$domain" "$dns_domain" \
 228             "domains differ; $NAME{d2} skipped" || return $FAIL
 229 
 230         #
 231         # Assertion d2
 232         #
 233         
 234         exp=1
 235         assertion d2 "$(get_assert_desc d2)" $exp
 236 
 237         # Setup: set TXT RR and restart DNS server
 238         chg_txt_field_dns /var/named/dns.test.nfs.master $txt_rr
 239         dns_service restart $TIMEOUT "failed to restart dns service" \
 240             "UNRESOLVED" || return $UNRESOLVED
 241 
 242         # Get mapid domain
 243         sleep $nfsdomain_tmout
 244         act=$(get_dns_txt_cache_flag)
 245         domain=$(get_nfsmapid_domain)
 246 
 247         # First check cache
 248         ckres2 -s "get_dns_txt_cache_flag" "$act" "$exp" "cache should be off" \
 249             || return $FAIL
 250 
 251         # Then check domain
 252         ckres2 "get_nfsmapid_domain" "$domain" "$txt_rr" "domains differ" \
 253             || return $FAIL
 254 }
 255 
 256 # Run assertions
 257 #
 258 
 259 save_state STATE_NFSMAPID03
 260 
 261 echo "\nNFSMAPID03 Starting Assertions\n"
 262 
 263 for i in $ASSERTIONS
 264 do
 265         eval as_${i} || print_state
 266         restore_state STATE_NFSMAPID03
 267 done
 268 
 269 clear_state STATE_NFSMAPID03
 270 
 271 echo "\nNFSMAPID03 assertions finished!\n"