Allow only "localhost" and "" as authorities in URIs. Do not allow escapes (%HH) in the authority part of a URI.

FossilOrigin-Name: b8a0f1b523d1f31c8e7a102ba4bae5935b07104a

manifest

@@ -1,5 +1,5 @@
-C Change\sthe\ssupported\sURI\soptions\sto\s"mode"\sand\s"cache".
-D 2011-05-03T10:22:32.361
+C Allow\sonly\s"localhost"\sand\s""\sas\sauthorities\sin\sURIs.\sDo\snot\sallow\sescapes\s(%HH)\sin\sthe\sauthority\spart\sof\sa\sURI.
+D 2011-05-03T11:53:20.345
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 7a4d9524721d40ef9ee26f93f9bd6a51dba106f2
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -143,7 +143,7 @@ F src/journal.c 552839e54d1bf76fb8f7abe51868b66acacf6a0e
 F src/legacy.c a199d7683d60cef73089e892409113e69c23a99f
 F src/lempar.c 7f026423f4d71d989e719a743f98a1cbd4e6d99e
 F src/loadext.c 3ae0d52da013a6326310655be6473fd472347b85
-F src/main.c 8e13c02ec1992f94dcc06b4b2bc0001a79b3e68f
+F src/main.c 28da02efcab49fd4cc51008b5f6d27b742682807
 F src/malloc.c 74c740e8ba22b806cfb980c8c0ddea1cbd54a20e
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 00bd8265c81abb665c48fea1e0c234eb3b922206
@@ -837,7 +837,7 @@ F test/unique.test 083c7fff74695bcc27a71d75699deba3595bc9c2
 F test/unixexcl.test 9d80a54d86d2261f660758928959368ffc36151e
 F test/unordered.test e81169ce2a8f31b2c6b66af691887e1376ab3ced
 F test/update.test 8bc86fd7ef1a00014f76dc6a6a7c974df4aef172
-F test/uri.test 2e2dea3054bc6b3e5e1bf43fbab09a847ed9eb5f
+F test/uri.test 858abdea53ac46844d52ba953fba78f15f0a463a
 F test/utf16align.test 54cd35a27c005a9b6e7815d887718780b6a462ae
 F test/vacuum.test 29b60e8cc9e573b39676df6c4a75fe9e02d04a09
 F test/vacuum2.test 91a84c9b08adfc4472097d2e8deb0150214e0e76
@@ -931,7 +931,7 @@ F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/split-sqlite3c.tcl d9be87f1c340285a3e081eb19b4a247981ed290c
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P 7fdd0786c7e0d66baf3aba4485128e16a4e5ea46
-R 9466d8a507f14eedc64f1b5ce9c925cf
+P 0a694a0b27e3ce251ce313cb5d19a7637c2fa309
+R afa0474b6eff205d0a5c2d2e9845accd
 U dan
-Z bebe00795592ddf7acadaf3bca1d1f57
+Z 0ad689b41032f94f1c384beb1085aa09

manifest.uuid

@@ -1 +1 @@
-0a694a0b27e3ce251ce313cb5d19a7637c2fa309
+b8a0f1b523d1f31c8e7a102ba4bae5935b07104a

src/main.c

@@ -1828,6 +1828,13 @@ int sqlite3ParseUri(
     if( zUri[5]=='/' && zUri[6]=='/' ){
       iIn = 7;
       while( zUri[iIn] && zUri[iIn]!='/' ) iIn++;
+
+      if( iIn!=7 && (iIn!=16 || memcmp("localhost", &zUri[7], 9)) ){
+        *pzErrMsg = sqlite3_mprintf("invalid uri authority: %.*s", 
+            iIn-7, &zUri[7]);
+        rc = SQLITE_ERROR;
+        goto parse_uri_out;
+      }
     }else{
       iIn = 5;
     }

test/uri.test

@@ -33,7 +33,7 @@ sqlite3_config_uri 1
 foreach {tn uri file} {
   1      test.db                            test.db
   2      file:test.db                       test.db
-  3      file://an-authorityPWD/test.db     test.db
+  3      file://PWD/test.db     test.db
   4      file:PWD/test.db                   test.db
   5      file:test.db?mork=1                test.db
   6      file:test.db?mork=1&tonglor=2      test.db
@@ -44,7 +44,7 @@ foreach {tn uri file} {
   11     file:test%2Edb                     test.db
   12     file                               file
   13     http:test.db                       http:test.db
-  14     file://xyzPWD/test.db%3Fhello      test.db?hello
+  14     file://localhostPWD/test.db%3Fhello   test.db?hello
   15     file:test.db%00extra               test.db
   16     file:test%00.db%00extra            test
 } {
@@ -65,7 +65,6 @@ foreach {tn uri file} {
   db close
 }
 
-
 #-------------------------------------------------------------------------
 # Test that URI query parameters are passed through to the VFS layer
 # correctly.
@@ -243,5 +242,25 @@ db close
 tvfs1 delete
 tvfs2 delete
 
+#-------------------------------------------------------------------------
+# Check that only "" and "localhost" are acceptable as authorities.
+#
+catch {db close}
+foreach {tn uri res} {
+  1     "file://localhost/PWD/test.db"   {not an error}
+  2     "file:///PWD/test.db"            {not an error}
+  3     "file:/PWD/test.db"              {not an error}
+  4     "file://l%6Fcalhost/PWD/test.db" {invalid uri authority: l%6Fcalhost}
+  5     "file://lbcalhost/PWD/test.db"   {invalid uri authority: lbcalhost}
+  6     "file://x/PWD/test.db"           {invalid uri authority: x}
+} {
+  set uri  [string map [list PWD [string range [pwd] 1 end]] $uri]
+  do_test 6.$tn {
+    set DB [sqlite3_open $uri]
+    sqlite3_errmsg $DB
+  } $res
+  catch { sqlite3_close $DB }
+}
+
 finish_test