From: drh <>
Date: Tue, 6 Aug 2024 22:49:01 +0000 (+0000)
Subject: Improved robustness of parsing of tokenize= arguments in FTS5.
X-Git-Tag: version-3.47.0~257
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e9b919d550262076d1b8453c3d6852b88822b922;p=thirdparty%2Fsqlite.git

Improved robustness of parsing of tokenize= arguments in FTS5.
[forum:/forumpost/171bcc2bcd|Forum post 171bcc2bcd].

FossilOrigin-Name: d9f726ade6b258f8723f90d0b04a4682e885e30939eb29773913e4dfc8e85503
---

diff --git a/ext/fts5/fts5_tokenize.c b/ext/fts5/fts5_tokenize.c
index 3e9fdff3eb..08de0d60d7 100644
--- a/ext/fts5/fts5_tokenize.c
+++ b/ext/fts5/fts5_tokenize.c
@@ -79,7 +79,7 @@ static int fts5AsciiCreate(
       int i;
       memset(p, 0, sizeof(AsciiTokenizer));
       memcpy(p->aTokenChar, aAsciiTokenChar, sizeof(aAsciiTokenChar));
-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
         const char *zArg = azArg[i+1];
         if( 0==sqlite3_stricmp(azArg[i], "tokenchars") ){
           fts5AsciiAddExceptions(p, zArg, 1);
@@ -90,6 +90,7 @@ static int fts5AsciiCreate(
           rc = SQLITE_ERROR;
         }
       }
+      if( i<nArg ) rc = SQLITE_ERROR;
       if( rc!=SQLITE_OK ){
         fts5AsciiDelete((Fts5Tokenizer*)p);
         p = 0;
@@ -381,17 +382,16 @@ static int fts5UnicodeCreate(
       }
 
       /* Search for a "categories" argument */
-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
         if( 0==sqlite3_stricmp(azArg[i], "categories") ){
           zCat = azArg[i+1];
         }
       }
-
       if( rc==SQLITE_OK ){
         rc = unicodeSetCategories(p, zCat);
       }
 
-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
         const char *zArg = azArg[i+1];
         if( 0==sqlite3_stricmp(azArg[i], "remove_diacritics") ){
           if( (zArg[0]!='0' && zArg[0]!='1' && zArg[0]!='2') || zArg[1] ){
@@ -416,6 +416,7 @@ static int fts5UnicodeCreate(
           rc = SQLITE_ERROR;
         }
       }
+      if( i<nArg ) rc = SQLITE_ERROR;
 
     }else{
       rc = SQLITE_NOMEM;
@@ -1298,7 +1299,7 @@ static int fts5TriCreate(
     int i;
     pNew->bFold = 1;
     pNew->iFoldParam = 0;
-    for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+    for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
       const char *zArg = azArg[i+1];
       if( 0==sqlite3_stricmp(azArg[i], "case_sensitive") ){
         if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1] ){
@@ -1316,6 +1317,7 @@ static int fts5TriCreate(
         rc = SQLITE_ERROR;
       }
     }
+    if( i<nArg ) rc = SQLITE_ERROR;
 
     if( pNew->iFoldParam!=0 && pNew->bFold==0 ){
       rc = SQLITE_ERROR;
diff --git a/ext/fts5/test/fts5tokenizer2.test b/ext/fts5/test/fts5tokenizer2.test
index 0017046baf..4fe31d22c4 100644
--- a/ext/fts5/test/fts5tokenizer2.test
+++ b/ext/fts5/test/fts5tokenizer2.test
@@ -85,5 +85,25 @@ do_execsql_test 1.7 {
   SELECT highlight(t1, 0, '>', '<') FROM t1('BB mess');
 } {AAdont>BBmess<}
 
+# 2024-08-06 https://sqlite.org/forum/forumpost/171bcc2bcd
+# Error handling of tokenize= arguments.
+#
+foreach {n tkz} {
+  1  {ascii none}
+  2  {unicode61 none}
+  3  {porter none}
+  4  {trigram none}
+  5  {ascii none 0}
+  6  {unicode61 none 0}
+  7  {porter none 0}
+  8  {trigram none 0}
+} {
+  db eval {DROP TABLE IF EXISTS t2;}
+  do_catchsql_test 2.$n "
+     DROP TABLE IF EXISTS t2;
+     CREATE VIRTUAL TABLE t2 USING fts5(a,b,c,tokenize='$tkz');
+  " {1 {error in tokenizer constructor}}
+}
+
 
 finish_test
diff --git a/ext/fts5/test/fts5trigram.test b/ext/fts5/test/fts5trigram.test
index 351c059bf5..752686620c 100644
--- a/ext/fts5/test/fts5trigram.test
+++ b/ext/fts5/test/fts5trigram.test
@@ -69,6 +69,9 @@ do_execsql_test 2.0 {
   INSERT INTO t1 VALUES('abcdefghijklm');
   INSERT INTO t1 VALUES('กรุงเทพมหานคร');
 }
+do_catchsql_test 2.0.1 {
+  CREATE VIRTUAL TABLE t2 USING fts5(z, tokenize='trigram case_sensitive');
+} {1 {error in tokenizer constructor}}
 
 foreach {tn s res} {
   1 abc           "(abc)defghijklm"
@@ -206,7 +209,7 @@ do_execsql_test 7.0 {
       (20, "жираф.png"), 
       (30, "cat.png"), 
       (40, "кот.png"), 
-      (50, "misic-🎵-.mp3");
+      (50, "misic-🎵-.mp3");
 }
 do_execsql_test 7.1 {
   SELECT rowid FROM f WHERE +filename GLOB '*ир*';
diff --git a/ext/fts5/test/fts5trigram2.test b/ext/fts5/test/fts5trigram2.test
index 00f6d43952..33c07d3f8b 100644
--- a/ext/fts5/test/fts5trigram2.test
+++ b/ext/fts5/test/fts5trigram2.test
@@ -21,6 +21,9 @@ do_execsql_test 1.0 "
   INSERT INTO t1 VALUES('abc\u0303defghijklm');
   INSERT INTO t1 VALUES('a\u0303b\u0303c\u0303defghijklm');
 "
+do_catchsql_test 1.0.1 {
+  CREATE VIRTUAL TABLE t2 USING fts5(z, tokenize='trigram remove_diacritics');
+} {1 {error in tokenizer constructor}}
 
 do_execsql_test 1.1 {
   SELECT highlight(t1, 0, '(', ')') FROM t1('abc');
diff --git a/manifest b/manifest
index 215ae7ad21..dcbcb3f3ae 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Improvements\sto\s./configure\sthat\swill\shopefully\sbreak\sfewer\sbuilds.
-D 2024-08-06T20:00:10.407
+C Improved\srobustness\sof\sparsing\sof\stokenize=\sarguments\sin\sFTS5.\n[forum:/forumpost/171bcc2bcd|Forum\spost\s171bcc2bcd].
+D 2024-08-06T22:49:01.135
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -105,7 +105,7 @@ F ext/fts5/fts5_storage.c 1d7e08d4331da2f3f7e78e70eef2ed6a013d91ba16175c651adbc5
 F ext/fts5/fts5_tcl.c 5ca3e3e35010d326f5b821a563e4fcde3913e052935f5c2c72c264122a26b48f
 F ext/fts5/fts5_test_mi.c 08c11ec968148d4cb4119d96d819f8c1f329812c568bac3684f5464be177d3ee
 F ext/fts5/fts5_test_tok.c 3cb0a9b508b30d17ef025ccddd26ae3dc8ddffbe76c057616e59a9aa85d36f3b
-F ext/fts5/fts5_tokenize.c fa5493075101540270f572038fc1723d44fcc97bfbf237c8530013b8a27860be
+F ext/fts5/fts5_tokenize.c b1c3dc4de28f2532d9ee7be7182a96f943fa09fcc31c6f271d69dce72874ff8c
 F ext/fts5/fts5_unicode2.c eca63dbc797f8ff0572e97caf4631389c0ab900d6364861b915bdd4735973f00
 F ext/fts5/fts5_varint.c e64d2113f6e1bfee0032972cffc1207b77af63319746951bf1d09885d1dadf80
 F ext/fts5/fts5_vocab.c e4830b00809e5da53bc10f93adc59e321407b0f801c7f4167c0e47f5552267e0
@@ -229,9 +229,9 @@ F ext/fts5/test/fts5synonym2.test 58f357b997cf2fedeeb9d0de4db9f880fa96fa2fe27a74
 F ext/fts5/test/fts5tok1.test 1f7817499f5971450d8c4a652114b3d833393c8134e32422d0af27884ffe9cef
 F ext/fts5/test/fts5tok2.test dcacb32d4a2a3f0dd3215d4a3987f78ae4be21a2
 F ext/fts5/test/fts5tokenizer.test 7937cec672b148223fff8746d21d3e7ed0965fd7caf35ccdc888a005bb452f98
-F ext/fts5/test/fts5tokenizer2.test 9c1ad8ef0465076cbc9ff5c764782594329b3bce3e0f6a931a026902d006f495
-F ext/fts5/test/fts5trigram.test 6c4e37864f3e7d90673db5563d9736d7e40080ab94d10ebdffa94c1b77941da0
-F ext/fts5/test/fts5trigram2.test c91f0a94f7e1ff859682228646abeab4c0eba2effc46af2cbc8f0f48b05a0566
+F ext/fts5/test/fts5tokenizer2.test ddb8b10fbe4b84b2a75812671f127774c1d2e3e2bf82d2e0e4f0bb1cd8a2b2d6
+F ext/fts5/test/fts5trigram.test be914555deb8504dde682bd5aa343d00c4da37dfad20709a5bac30d5f97f2ef5
+F ext/fts5/test/fts5trigram2.test 9be01ec340a61869931a23ec109d189e589e2b807d574e1fc1f0cf2c23765c42
 F ext/fts5/test/fts5ubsan.test 9a2dcf399dc8d0e0de661f0d93884d1d27e5b7f0693cfceb97dd24d818df5dd2
 F ext/fts5/test/fts5umlaut.test a42fe2fe6387c40c49ab27ccbd070e1ae38e07f38d05926482cc0bccac9ad602
 F ext/fts5/test/fts5unicode.test 41898f7e476e6515cd4b737c02a442cda5a580a74509788aa9072a2074948e0e
@@ -2203,8 +2203,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 533a6251f188805363f0e39613ea03b1bfd758eaea00e0855803238585bdfec7
-R a7a477ca379232403aa066474b0e57d0
+P 769e32a69b7b7c04225afa0371f139b2ed29aaee5a7a4159a30d600ed9f25c57
+R f82e2089204b40d7709881ee6cd588a3
 U drh
-Z 01918af4ac385e19f077c5342eefac64
+Z e2400150d004e016a710bc2ae395399e
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index c7ef415a77..0cc2838448 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-769e32a69b7b7c04225afa0371f139b2ed29aaee5a7a4159a30d600ed9f25c57
+d9f726ade6b258f8723f90d0b04a4682e885e30939eb29773913e4dfc8e85503