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authorAndrew Bartlett <abartlet@samba.org>2009-11-03 14:15:07 +1100
committerAndrew Bartlett <abartlet@samba.org>2009-11-04 14:58:25 +1100
commitb5ce97511aa33aa439a371f114ba7bb0cf822a16 (patch)
tree25c721f6a44c88fbbbe9d9dede3ebf6784dbaa12 /libcli/nbt
parent5a8f21cb88e7579c12b3d97299f355bb64957a87 (diff)
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libcli/nbt Move more of lmhosts lookup into common code
This aims to eventually share this with Samba4. Andrew Bartlett
Diffstat (limited to 'libcli/nbt')
-rw-r--r--libcli/nbt/libnbt.h6
-rw-r--r--libcli/nbt/lmhosts.c79
2 files changed, 85 insertions, 0 deletions
diff --git a/libcli/nbt/libnbt.h b/libcli/nbt/libnbt.h
index 2abcb56971..6d6a4a4696 100644
--- a/libcli/nbt/libnbt.h
+++ b/libcli/nbt/libnbt.h
@@ -360,4 +360,10 @@ bool getlmhostsent(TALLOC_CTX *ctx, XFILE *fp, char **pp_name, int *name_type,
struct sockaddr_storage *pss);
void endlmhosts(XFILE *fp);
+NTSTATUS resolve_lmhosts_file_as_sockaddr(const char *lmhosts_file,
+ const char *name, int name_type,
+ TALLOC_CTX *mem_ctx,
+ struct sockaddr_storage **return_iplist,
+ int *return_count);
+
#endif /* __LIBNBT_H__ */
diff --git a/libcli/nbt/lmhosts.c b/libcli/nbt/lmhosts.c
index 11703a27e8..317ccc556c 100644
--- a/libcli/nbt/lmhosts.c
+++ b/libcli/nbt/lmhosts.c
@@ -155,3 +155,82 @@ void endlmhosts(XFILE *fp)
x_fclose(fp);
}
+/********************************************************
+ Resolve via "lmhosts" method.
+*********************************************************/
+
+NTSTATUS resolve_lmhosts_file_as_sockaddr(const char *lmhosts_file,
+ const char *name, int name_type,
+ TALLOC_CTX *mem_ctx,
+ struct sockaddr_storage **return_iplist,
+ int *return_count)
+{
+ /*
+ * "lmhosts" means parse the local lmhosts file.
+ */
+
+ XFILE *fp;
+ char *lmhost_name = NULL;
+ int name_type2;
+ struct sockaddr_storage return_ss;
+ NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
+ TALLOC_CTX *ctx = NULL;
+
+ *return_iplist = NULL;
+ *return_count = 0;
+
+ DEBUG(3,("resolve_lmhosts: "
+ "Attempting lmhosts lookup for name %s<0x%x>\n",
+ name, name_type));
+
+ fp = startlmhosts(lmhosts_file);
+
+ if ( fp == NULL )
+ return NT_STATUS_NO_SUCH_FILE;
+
+ ctx = talloc_new(mem_ctx);
+ if (!ctx) {
+ endlmhosts(fp);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ while (getlmhostsent(ctx, fp, &lmhost_name, &name_type2, &return_ss)) {
+
+ if (!strequal(name, lmhost_name)) {
+ TALLOC_FREE(lmhost_name);
+ continue;
+ }
+
+ if ((name_type2 != -1) && (name_type != name_type2)) {
+ TALLOC_FREE(lmhost_name);
+ continue;
+ }
+
+ *return_iplist = talloc_realloc(ctx, (*return_iplist),
+ struct sockaddr_storage,
+ (*return_count)+1);
+
+ if ((*return_iplist) == NULL) {
+ TALLOC_FREE(ctx);
+ endlmhosts(fp);
+ DEBUG(3,("resolve_lmhosts: talloc_realloc fail !\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ (*return_iplist)[*return_count] = return_ss;
+ *return_count += 1;
+
+ /* we found something */
+ status = NT_STATUS_OK;
+
+ /* Multiple names only for DC lookup */
+ if (name_type != 0x1c)
+ break;
+ }
+
+ talloc_steal(mem_ctx, *return_iplist);
+ TALLOC_FREE(ctx);
+ endlmhosts(fp);
+ return status;
+}
+