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-rw-r--r--source3/include/includes.h2
-rw-r--r--source3/lib/replace/replace.h2
-rw-r--r--source3/lib/util.c19
-rw-r--r--source3/lib/util_sock.c52
-rw-r--r--source3/libsmb/ntlmssp.c44
-rw-r--r--source3/nmbd/nmbd_processlogon.c9
-rw-r--r--source3/printing/nt_printing.c14
-rw-r--r--source3/registry/reg_dynamic.c13
-rw-r--r--source3/rpc_server/srv_lsa_nt.c8
-rw-r--r--source3/rpc_server/srv_spoolss_nt.c12
-rw-r--r--source3/utils/net_rpc_printer.c14
11 files changed, 106 insertions, 83 deletions
diff --git a/source3/include/includes.h b/source3/include/includes.h
index b9e77010de..2e82070815 100644
--- a/source3/include/includes.h
+++ b/source3/include/includes.h
@@ -892,7 +892,7 @@ int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
* defined.
*/
#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 254
+#define MAXHOSTNAMELEN 255
#endif
/* yuck, I'd like a better way of doing this */
diff --git a/source3/lib/replace/replace.h b/source3/lib/replace/replace.h
index 55ed2e9570..973c68ee14 100644
--- a/source3/lib/replace/replace.h
+++ b/source3/lib/replace/replace.h
@@ -357,7 +357,7 @@ ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
#define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t)))
#ifndef HOST_NAME_MAX
-#define HOST_NAME_MAX 64
+#define HOST_NAME_MAX 255
#endif
/*
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 0ae80c1f9e..6e92a60238 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -1212,23 +1212,24 @@ bool get_myname(char *my_name)
Get my own domain name.
****************************************************************************/
-bool get_mydnsdomname(fstring my_domname)
+char *get_mydnsdomname(TALLOC_CTX *ctx)
{
- fstring domname;
+ const char *domname;
+ char *my_domname = NULL;
char *p;
- *my_domname = '\0';
- if (!get_mydnsfullname(domname)) {
- return False;
- }
+ domname = get_mydnsfullname();
+ if (!domname) {
+ return NULL;
+ }
+
p = strchr_m(domname, '.');
if (p) {
p++;
- fstrcpy(my_domname, p);
- return True;
+ my_domname = talloc_strdup(ctx, p);
}
- return False;
+ return my_domname;
}
/****************************************************************************
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index bd6fdbb105..66da297dc7 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -1978,34 +1978,34 @@ out_umask:
Get my own canonical name, including domain.
****************************************************************************/
-static fstring dnshostname_cache;
-
-bool get_mydnsfullname(fstring my_dnsname)
+const char *get_mydnsfullname(void)
{
- if (!*dnshostname_cache) {
+ static char *dnshostname_cache;
+
+ if (dnshostname_cache == NULL || !*dnshostname_cache) {
struct addrinfo *res = NULL;
+ char my_hostname[HOST_NAME_MAX];
bool ret;
/* get my host name */
- if (gethostname(dnshostname_cache, sizeof(dnshostname_cache)) == -1) {
- *dnshostname_cache = '\0';
+ if (gethostname(my_hostname, sizeof(my_hostname)) == -1) {
DEBUG(0,("get_mydnsfullname: gethostname failed\n"));
- return false;
+ return NULL;
}
/* Ensure null termination. */
- dnshostname_cache[sizeof(dnshostname_cache)-1] = '\0';
+ my_hostname[sizeof(my_hostname)-1] = '\0';
ret = interpret_string_addr_internal(&res,
- dnshostname_cache,
+ my_hostname,
AI_ADDRCONFIG|AI_CANONNAME);
if (!ret || res == NULL) {
DEBUG(3,("get_mydnsfullname: getaddrinfo failed for "
"name %s [%s]\n",
- dnshostname_cache,
+ my_hostname,
gai_strerror(ret) ));
- return false;
+ return NULL;
}
/*
@@ -2015,17 +2015,15 @@ bool get_mydnsfullname(fstring my_dnsname)
if (res->ai_canonname == NULL) {
DEBUG(3,("get_mydnsfullname: failed to get "
"canonical name for %s\n",
- dnshostname_cache));
+ my_hostname));
freeaddrinfo(res);
- return false;
+ return NULL;
}
-
- fstrcpy(dnshostname_cache, res->ai_canonname);
+ dnshostname_cache = SMB_STRDUP(res->ai_canonname);
freeaddrinfo(res);
}
- fstrcpy(my_dnsname, dnshostname_cache);
- return true;
+ return dnshostname_cache;
}
/************************************************************
@@ -2034,15 +2032,20 @@ bool get_mydnsfullname(fstring my_dnsname)
bool is_myname_or_ipaddr(const char *s)
{
- fstring name, dnsname;
- char *servername;
+ TALLOC_CTX *ctx = talloc_tos();
+ char *name = NULL;
+ const char *dnsname;
+ char *servername = NULL;
if (!s) {
return false;
}
/* Santize the string from '\\name' */
- fstrcpy(name, s);
+ name = talloc_strdup(ctx, s);
+ if (!name) {
+ return false;
+ }
servername = strrchr_m(name, '\\' );
if (!servername) {
@@ -2072,10 +2075,9 @@ bool is_myname_or_ipaddr(const char *s)
}
/* Maybe it's my dns name */
- if (get_mydnsfullname(dnsname)) {
- if (strequal(servername, dnsname)) {
- return true;
- }
+ dnsname = get_mydnsfullname();
+ if (dnsname && strequal(servername, dnsname)) {
+ return true;
}
/* Handle possible CNAME records - convert to an IP addr. */
@@ -2104,7 +2106,7 @@ bool is_myname_or_ipaddr(const char *s)
return false;
}
- nics = TALLOC_ARRAY(talloc_tos(), struct iface_struct,
+ nics = TALLOC_ARRAY(ctx, struct iface_struct,
MAX_INTERFACES);
if (!nics) {
return false;
diff --git a/source3/libsmb/ntlmssp.c b/source3/libsmb/ntlmssp.c
index 7205d57a0a..ed08e8102b 100644
--- a/source3/libsmb/ntlmssp.c
+++ b/source3/libsmb/ntlmssp.c
@@ -501,18 +501,19 @@ DATA_BLOB ntlmssp_weaken_keys(NTLMSSP_STATE *ntlmssp_state, TALLOC_CTX *mem_ctx)
/**
* Next state function for the Negotiate packet
- *
+ *
* @param ntlmssp_state NTLMSSP State
* @param request The request, as a DATA_BLOB
* @param request The reply, as an allocated DATA_BLOB, caller to free.
- * @return Errors or MORE_PROCESSING_REQUIRED if a reply is sent.
+ * @return Errors or MORE_PROCESSING_REQUIRED if a reply is sent.
*/
static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
const DATA_BLOB request, DATA_BLOB *reply)
{
DATA_BLOB struct_blob;
- fstring dnsname, dnsdomname;
+ const char *dnsname;
+ char *dnsdomname = NULL;
uint32 neg_flags = 0;
uint32 ntlmssp_command, chal_flags;
const uint8 *cryptkey;
@@ -535,7 +536,7 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
}
debug_ntlmssp_flags(neg_flags);
}
-
+
ntlmssp_handle_neg_flags(ntlmssp_state, neg_flags, lp_lanman_auth());
/* Ask our caller what challenge they would like in the packet */
@@ -548,31 +549,34 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
/* The flags we send back are not just the negotiated flags,
* they are also 'what is in this packet'. Therfore, we
- * operate on 'chal_flags' from here on
+ * operate on 'chal_flags' from here on
*/
chal_flags = ntlmssp_state->neg_flags;
/* get the right name to fill in as 'target' */
- target_name = ntlmssp_target_name(ntlmssp_state,
- neg_flags, &chal_flags);
- if (target_name == NULL)
+ target_name = ntlmssp_target_name(ntlmssp_state,
+ neg_flags, &chal_flags);
+ if (target_name == NULL)
return NT_STATUS_INVALID_PARAMETER;
ntlmssp_state->chal = data_blob_talloc(ntlmssp_state->mem_ctx, cryptkey, 8);
ntlmssp_state->internal_chal = data_blob_talloc(ntlmssp_state->mem_ctx, cryptkey, 8);
-
/* This should be a 'netbios domain -> DNS domain' mapping */
- dnsdomname[0] = '\0';
- get_mydnsdomname(dnsdomname);
+ dnsdomname = get_mydnsdomname(ntlmssp_state->mem_ctx);
+ if (!dnsdomname) {
+ return NT_STATUS_BAD_NETWORK_NAME;
+ }
strlower_m(dnsdomname);
-
- dnsname[0] = '\0';
- get_mydnsfullname(dnsname);
-
+
+ dnsname = get_mydnsfullname();
+ if (!dnsdomname) {
+ return NT_STATUS_INVALID_COMPUTER_NAME;
+ }
+
/* This creates the 'blob' of names that appears at the end of the packet */
- if (chal_flags & NTLMSSP_CHAL_TARGET_INFO)
+ if (chal_flags & NTLMSSP_CHAL_TARGET_INFO)
{
msrpc_gen(&struct_blob, "aaaaa",
NTLMSSP_NAME_TYPE_DOMAIN, target_name,
@@ -592,9 +596,9 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
} else {
gen_string = "CdAdbddB";
}
-
+
msrpc_gen(reply, gen_string,
- "NTLMSSP",
+ "NTLMSSP",
NTLMSSP_CHALLENGE,
target_name,
chal_flags,
@@ -602,7 +606,7 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
0, 0,
struct_blob.data, struct_blob.length);
}
-
+
data_blob_free(&struct_blob);
ntlmssp_state->expected_state = NTLMSSP_AUTH;
@@ -612,7 +616,7 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
/**
* Next state function for the Authenticate packet
- *
+ *
* @param ntlmssp_state NTLMSSP State
* @param request The request, as a DATA_BLOB
* @param request The reply, as an allocated DATA_BLOB, caller to free.
diff --git a/source3/nmbd/nmbd_processlogon.c b/source3/nmbd/nmbd_processlogon.c
index feb7941cc3..50a614a390 100644
--- a/source3/nmbd/nmbd_processlogon.c
+++ b/source3/nmbd/nmbd_processlogon.c
@@ -394,13 +394,18 @@ reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
else {
struct GUID domain_guid;
UUID_FLAT flat_guid;
- pstring domain;
+ char *domain;
pstring hostname;
char *component, *dc, *q1;
char *q_orig = q;
int str_offset;
- get_mydnsdomname(domain);
+ domain = get_mydnsdomname(talloc_tos());
+ if (!domain) {
+ DEBUG(2,
+ ("get_mydnsdomname failed.\n"));
+ return;
+ }
get_myname(hostname);
if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
diff --git a/source3/printing/nt_printing.c b/source3/printing/nt_printing.c
index 36add6f474..57e7d37c6e 100644
--- a/source3/printing/nt_printing.c
+++ b/source3/printing/nt_printing.c
@@ -2936,7 +2936,7 @@ static bool map_nt_printer_info2_to_dsspooler(NT_PRINTER_INFO_LEVEL_2 *info2)
{
REGVAL_CTR *ctr = NULL;
fstring longname;
- fstring dnssuffix;
+ const char *dnssuffix;
char *allocated_string = NULL;
const char *ascii_str;
int i;
@@ -2948,15 +2948,17 @@ static bool map_nt_printer_info2_to_dsspooler(NT_PRINTER_INFO_LEVEL_2 *info2)
map_sz_into_ctr(ctr, SPOOL_REG_PRINTERNAME, info2->sharename);
map_sz_into_ctr(ctr, SPOOL_REG_SHORTSERVERNAME, global_myname());
- /* we make the assumption that the netbios name is the same
- as the DNS name sinc ethe former will be what we used to
+ /* we make the assumption that the netbios name is the same
+ as the DNS name sinc ethe former will be what we used to
join the domain */
- if ( get_mydnsdomname( dnssuffix ) )
+ dnssuffix = get_mydnsdomname(talloc_tos());
+ if (!dnssuffix) {
fstr_sprintf( longname, "%s.%s", global_myname(), dnssuffix );
- else
+ } else {
fstrcpy( longname, global_myname() );
-
+ }
+
map_sz_into_ctr(ctr, SPOOL_REG_SERVERNAME, longname);
asprintf(&allocated_string, "\\\\%s\\%s", longname, info2->sharename);
diff --git a/source3/registry/reg_dynamic.c b/source3/registry/reg_dynamic.c
index 472760eacf..e589dff2c8 100644
--- a/source3/registry/reg_dynamic.c
+++ b/source3/registry/reg_dynamic.c
@@ -83,17 +83,20 @@ static int tcpip_params( REGVAL_CTR *regvals )
fstring value;
int value_length;
char *hname;
- fstring mydomainname;
-
+ char *mydomainname = NULL;
hname = myhostname();
value_length = push_ucs2( value, value, hname, sizeof(value), STR_TERMINATE|STR_NOALIGN);
regval_ctr_addvalue( regvals, "Hostname",REG_SZ, value, value_length );
-
- get_mydnsdomname( mydomainname );
+
+ mydomainname = get_mydnsdomname(talloc_tos());
+ if (!mydomainname) {
+ return -1;
+ }
+
value_length = push_ucs2( value, value, mydomainname, sizeof(value), STR_TERMINATE|STR_NOALIGN);
regval_ctr_addvalue( regvals, "Domain", REG_SZ, value, value_length );
-
+
return regval_ctr_numvals( regvals );
}
diff --git a/source3/rpc_server/srv_lsa_nt.c b/source3/rpc_server/srv_lsa_nt.c
index ea2bc0fa7b..5c2e1b6f01 100644
--- a/source3/rpc_server/srv_lsa_nt.c
+++ b/source3/rpc_server/srv_lsa_nt.c
@@ -1927,10 +1927,12 @@ NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_I
/* ugly temp hack for these next two */
/* This should be a 'netbios domain -> DNS domain' mapping */
- dnsdomname[0] = '\0';
- get_mydnsdomname(dnsdomname);
+ dnsdomname = get_mydnsdomname(p->mem_ctx);
+ if (!dnsdomname) {
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+ }
strlower_m(dnsdomname);
-
+
dns_name = dnsdomname;
forest_name = dnsdomname;
diff --git a/source3/rpc_server/srv_spoolss_nt.c b/source3/rpc_server/srv_spoolss_nt.c
index aba56c2d05..fe7a12940e 100644
--- a/source3/rpc_server/srv_spoolss_nt.c
+++ b/source3/rpc_server/srv_spoolss_nt.c
@@ -2401,20 +2401,20 @@ static WERROR getprinterdata_printer_server(TALLOC_CTX *ctx, fstring value, uint
return WERR_OK;
}
- if (!StrCaseCmp(value, "DNSMachineName")) {
- pstring hostname;
-
- if (!get_mydnsfullname(hostname))
+ if (!StrCaseCmp(value, "DNSMachineName")) {
+ const char *hostname = get_mydnsfullname();
+
+ if (!hostname)
return WERR_BADFILE;
*type = REG_SZ;
- *needed = 2*(strlen(hostname)+1);
+ *needed = 2*(strlen(hostname)+1);
if((*data = (uint8 *)TALLOC(ctx, (*needed > in_size) ? *needed:in_size )) == NULL)
return WERR_NOMEM;
memset(*data, 0, (*needed > in_size) ? *needed:in_size);
for (i=0; i<strlen(hostname); i++) {
(*data)[2*i]=hostname[i];
(*data)[2*i+1]='\0';
- }
+ }
return WERR_OK;
}
diff --git a/source3/utils/net_rpc_printer.c b/source3/utils/net_rpc_printer.c
index d14caad975..5e85bae7ee 100644
--- a/source3/utils/net_rpc_printer.c
+++ b/source3/utils/net_rpc_printer.c
@@ -2070,7 +2070,7 @@ NTSTATUS rpc_printer_migrate_settings_internals(const DOM_SID *domain_sid,
REGVAL_CTR *reg_ctr;
struct cli_state *cli_dst = NULL;
char *devicename = NULL, *unc_name = NULL, *url = NULL;
- fstring longname;
+ const char *longname;
uint16 *keylist = NULL, *curkey;
@@ -2094,12 +2094,16 @@ NTSTATUS rpc_printer_migrate_settings_internals(const DOM_SID *domain_sid,
printf ("no printers found on server.\n");
nt_status = NT_STATUS_OK;
goto done;
- }
-
+ }
+
/* needed for dns-strings in regkeys */
- get_mydnsfullname(longname);
-
+ longname = get_mydnsfullname();
+ if (!longname) {
+ nt_status = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+
/* do something for all printers */
for (i = 0; i < num_printers; i++) {
generated by cgit (git 2.34.1) at 2024-11-24 16:00:37 +0000