diff options
author | Jeremy Allison <jra@samba.org> | 2003-08-28 18:12:59 +0000 |
---|---|---|
committer | Jeremy Allison <jra@samba.org> | 2003-08-28 18:12:59 +0000 |
commit | 6872f392f1a8cd667aecc8df0b15da66f58c9407 (patch) | |
tree | 64adecb7953a5031dbe0fa6a90e840f0c13aac1e | |
parent | 76bcb93c66395f6d3e7bd960489094fcafa9fa89 (diff) | |
download | samba-6872f392f1a8cd667aecc8df0b15da66f58c9407.tar.gz samba-6872f392f1a8cd667aecc8df0b15da66f58c9407.tar.bz2 samba-6872f392f1a8cd667aecc8df0b15da66f58c9407.zip |
Fixed off-by-one bugs in workgroup name comparisons. Complain when a
workgroup name is >15 characters.
Jeremy.
(This used to be commit 35a0b3c035d50474eda97b015676885722737a95)
-rw-r--r-- | source3/nmbd/nmbd_elections.c | 8 | ||||
-rw-r--r-- | source3/nmbd/nmbd_serverlistdb.c | 2 | ||||
-rw-r--r-- | source3/nmbd/nmbd_workgroupdb.c | 15 |
3 files changed, 16 insertions, 9 deletions
diff --git a/source3/nmbd/nmbd_elections.c b/source3/nmbd/nmbd_elections.c index e341f6f7fb..fabc0eddca 100644 --- a/source3/nmbd/nmbd_elections.c +++ b/source3/nmbd/nmbd_elections.c @@ -97,7 +97,7 @@ static void check_for_master_browser_fail( struct subnet_record *subrec, return; } - if (strnequal(work->work_group, lp_workgroup(), sizeof(nstring))) { + if (strnequal(work->work_group, lp_workgroup(), sizeof(nstring)-1)) { if (lp_local_master()) { /* We have discovered that there is no local master @@ -145,7 +145,7 @@ void check_master_browser_exists(time_t t) struct work_record *work; for (work = subrec->workgrouplist; work; work = work->next) { - if (strnequal(work->work_group, workgroup_name, sizeof(nstring)) && !AM_LOCAL_MASTER_BROWSER(work)) { + if (strnequal(work->work_group, workgroup_name, sizeof(nstring)-1) && !AM_LOCAL_MASTER_BROWSER(work)) { /* Do a name query for the local master browser on this net. */ query_name( subrec, work->work_group, 0x1d, check_for_master_browser_success, @@ -284,7 +284,7 @@ void process_election(struct subnet_record *subrec, struct packet_struct *p, cha goto done; } - if (!strnequal(work->work_group, lp_workgroup(), sizeof(nstring))) { + if (!strnequal(work->work_group, lp_workgroup(), sizeof(nstring)-1)) { DEBUG(3,("process_election: ignoring election request for workgroup %s on subnet %s as this \ is not my workgroup.\n", work->work_group, subrec->subnet_name )); goto done; @@ -381,7 +381,7 @@ void nmbd_message_election(int msg_type, pid_t src, void *buf, size_t len) for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec)) { struct work_record *work; for (work = subrec->workgrouplist; work; work = work->next) { - if (strnequal(work->work_group, lp_workgroup(), sizeof(nstring))) { + if (strnequal(work->work_group, lp_workgroup(), sizeof(nstring)-1)) { work->needelection = True; work->ElectionCount=0; work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE; diff --git a/source3/nmbd/nmbd_serverlistdb.c b/source3/nmbd/nmbd_serverlistdb.c index ecde45cfb9..a5008f803b 100644 --- a/source3/nmbd/nmbd_serverlistdb.c +++ b/source3/nmbd/nmbd_serverlistdb.c @@ -251,7 +251,7 @@ static uint32 write_this_workgroup_name( struct subnet_record *subrec, { struct subnet_record *ssub; - if(strnequal(lp_workgroup(), work->work_group, sizeof(nstring))) + if(strnequal(lp_workgroup(), work->work_group, sizeof(nstring)-1)) return 0; /* This is a workgroup we have seen on a broadcast subnet. All diff --git a/source3/nmbd/nmbd_workgroupdb.c b/source3/nmbd/nmbd_workgroupdb.c index c957b517cf..b9fab4b278 100644 --- a/source3/nmbd/nmbd_workgroupdb.c +++ b/source3/nmbd/nmbd_workgroupdb.c @@ -56,7 +56,14 @@ static struct work_record *create_workgroup(const char *name, int ttl) } memset((char *)work, '\0', sizeof(*work)); - nstrcpy(work->work_group,name); + if (strlen(name)+1 > sizeof(nstring)) { + memcpy(work->work_group,name,sizeof(nstring)-1); + work->work_group[sizeof(nstring)-1] = '\0'; + DEBUG(0,("create_workgroup: workgroup name %s is too long. Truncating to %s\n", + name, work->work_group )); + } else { + nstrcpy(work->work_group,name); + } work->serverlist = NULL; work->RunningElection = False; @@ -76,7 +83,7 @@ static struct work_record *create_workgroup(const char *name, int ttl) for (subrec = FIRST_SUBNET; subrec && (t == -1); subrec = NEXT_SUBNET_INCLUDING_UNICAST(subrec)) { struct work_record *w; for (w = subrec->workgrouplist; w && t == -1; w = w->next) { - if (strnequal(w->work_group, work->work_group, sizeof(nstring))) + if (strnequal(w->work_group, work->work_group, sizeof(nstring)-1)) t = w->token; } } @@ -150,7 +157,7 @@ struct work_record *find_workgroup_on_subnet(struct subnet_record *subrec, name, subrec->subnet_name)); for (ret = subrec->workgrouplist; ret; ret = ret->next) { - if (strnequal(ret->work_group,name,sizeof(nstring))) { + if (strnequal(ret->work_group,name,sizeof(nstring)-1)) { DEBUGADD(4, ("found.\n")); return(ret); } @@ -211,7 +218,7 @@ void initiate_myworkgroup_startup(struct subnet_record *subrec, struct work_reco { int i; - if(!strnequal(lp_workgroup(), work->work_group,sizeof(nstring))) + if(!strnequal(lp_workgroup(), work->work_group,sizeof(nstring)-1)) return; /* If this is a broadcast subnet then start elections on it if we are so configured. */ |