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Changes In Branch changesetfuzz Excluding Merge-Ins
This is equivalent to a diff from a8d65214 to b6d549c9
2018-11-10
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17:37 | Add the "changesetfuzz" program. For fuzzing changeset blobs. (check-in: 2bae0e7c user: dan tags: trunk) | |
17:36 | Merge latest trunk changes. (Closed-Leaf check-in: b6d549c9 user: dan tags: changesetfuzz) | |
03:47 | Merge fixes from trunk. (check-in: bf88efce user: drh tags: read-only-shadow) | |
2018-11-09
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23:45 | Merge fixes from trunk. (check-in: e3e9b85e user: drh tags: apple-osx) | |
23:41 | Fix invalid use of unprotected sqlite3_value objects in the sqldiff utility, when using the --changeset option. (check-in: a8d65214 user: drh tags: trunk) | |
20:04 | When a table is renamed using "ALTER TABLE RENAME TO", update any REFERENCES clauses that refer to the table, unless "PRAGMA legacy_alter_table" is true and "PRAGMA foreign_keys" is set to false (i.e. so that when "PRAGMA legacy_alter_table" is set behaviour is still compatible with versions 3.24 and earlier). (check-in: ae9638e9 user: dan tags: trunk) | |
2018-11-08
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14:59 | Add tests and a fix for program "changesetfuzz". (check-in: 09b90db5 user: dan tags: changesetfuzz) | |
Changes to Makefile.in.
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1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 | showshm$(TEXE): $(TOP)/tool/showshm.c $(LTLINK) -o $@ $(TOP)/tool/showshm.c changeset$(TEXE): $(TOP)/ext/session/changeset.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/ext/session/changeset.c sqlite3.lo $(TLIBS) rollback-test$(TEXE): $(TOP)/tool/rollback-test.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/tool/rollback-test.c sqlite3.lo $(TLIBS) atrc$(TEXX): $(TOP)/test/atrc.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/test/atrc.c sqlite3.lo $(TLIBS) LogEst$(TEXE): $(TOP)/tool/logest.c sqlite3.h | > > > | 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 | showshm$(TEXE): $(TOP)/tool/showshm.c $(LTLINK) -o $@ $(TOP)/tool/showshm.c changeset$(TEXE): $(TOP)/ext/session/changeset.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/ext/session/changeset.c sqlite3.lo $(TLIBS) changesetfuzz$(TEXE): $(TOP)/ext/session/changesetfuzz.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/ext/session/changesetfuzz.c sqlite3.lo $(TLIBS) rollback-test$(TEXE): $(TOP)/tool/rollback-test.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/tool/rollback-test.c sqlite3.lo $(TLIBS) atrc$(TEXX): $(TOP)/test/atrc.c sqlite3.lo $(LTLINK) -o $@ $(TOP)/test/atrc.c sqlite3.lo $(TLIBS) LogEst$(TEXE): $(TOP)/tool/logest.c sqlite3.h |
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Changes to Makefile.msc.
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2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 | $(LTLINK) $(NO_WARN) $(TOP)\tool\showshm.c /link $(LDFLAGS) $(LTLINKOPTS) changeset.exe: $(TOP)\ext\session\changeset.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_SESSION=1 -DSQLITE_ENABLE_PREUPDATE_HOOK=1 \ $(TOP)\ext\session\changeset.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) fts3view.exe: $(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ $(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) rollback-test.exe: $(TOP)\tool\rollback-test.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ $(TOP)\tool\rollback-test.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) | > > > > > | 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 | $(LTLINK) $(NO_WARN) $(TOP)\tool\showshm.c /link $(LDFLAGS) $(LTLINKOPTS) changeset.exe: $(TOP)\ext\session\changeset.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_SESSION=1 -DSQLITE_ENABLE_PREUPDATE_HOOK=1 \ $(TOP)\ext\session\changeset.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) changesetfuzz.exe: $(TOP)\ext\session\changesetfuzz.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_SESSION=1 -DSQLITE_ENABLE_PREUPDATE_HOOK=1 \ $(TOP)\ext\session\changesetfuzz.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) fts3view.exe: $(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ $(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) rollback-test.exe: $(TOP)\tool\rollback-test.c $(SQLITE3C) $(SQLITE3H) $(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ $(TOP)\tool\rollback-test.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) |
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Added ext/session/changesetfuzz.c.
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1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 | /* ** 2018-11-01 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "changesetfuzz" command ** line utility for fuzzing changeset blobs without corrupting them. */ /************************************************************************ ** USAGE: ** ** This program may be invoked in two ways: ** ** changesetfuzz INPUT ** changesetfuzz INPUT SEED N ** ** Argument INPUT must be the name of a file containing a binary changeset. ** In the first form above, this program outputs a human-readable version ** of the same changeset. This is chiefly for debugging. ** ** As well as changesets, this program can also dump and fuzz patchsets. ** The term "changeset" is used for both patchsets and changesets from this ** point on. ** ** In the second form, arguments SEED and N must both be integers. In this ** case, this program writes N binary changesets to disk. Each output ** changeset is a slightly modified - "fuzzed" - version of the input. ** The output changesets are written to files name "INPUT-$n", where $n is ** an integer between 0 and N-1, inclusive. Output changesets are always ** well-formed. Parameter SEED is used to seed the PRNG - any two ** invocations of this program with the same SEED and input changeset create ** the same N output changesets. ** ** The ways in which an input changeset may be fuzzed are as follows: ** ** 1. Any two values within the changeset may be exchanged. ** ** 2. Any TEXT, BLOB, INTEGER or REAL value within the changeset ** may have a single bit of its content flipped. ** ** 3. Any value within a changeset may be replaced by a pseudo-randomly ** generated value. ** ** The above operations never set a PRIMARY KEY column to NULL. Nor do they ** set any value to "undefined", or replace any "undefined" value with ** another. Any such operation risks producing a changeset that is not ** well-formed. ** ** 4. A single change may be duplicated. ** ** 5. A single change may be removed, so long as this does not mean that ** there are zero changes following a table-header within the changeset. ** ** 6. A single change may have its type (INSERT, DELETE, UPDATE) changed. ** If an INSERT is changed to a DELETE (or vice versa), the type is ** simply changed - no other modifications are required. If an INSERT ** or DELETE is changed to an UPDATE, then the single record is duplicated ** (as both the old.* and new.* records of the new UPDATE change). If an ** UPDATE is changed to a DELETE or INSERT, the new.* record is discarded ** and any "undefined" fields replaced with pseudo-randomly generated ** values. ** ** 7. An UPDATE change that modifies N table columns may be modified so ** that it updates N-1 columns, so long as (N>1). ** ** 8. The "indirect" flag may be toggled for any change. ** ** Entire group of changes may also be operated on: ** ** 9. Duplicate an existing group. ** ** 10. Remove an existing group. ** ** 11. The positions of two groups may be exchanged. ** ** There are also schema changes: ** ** 12. A non-PK column may be added to a table. In this case a NULL ** value is appended to all records. ** ** 13. A PK column may be added to a table. In this case a non-NULL ** value is appended to all INSERT, DELETE and UPDATE old.* records. ** An "undefined" is appended to new.* UPDATE records. ** ** 14. A column may be removed from a table, provided that it is not the ** only PRIMARY KEY column in the table. In this case the corresponding ** field is removed from all records. In cases where this leaves an UPDATE ** with no non-PK, non-undefined fields, the entire change is removed. */ #include "sqlite3.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> #include <ctype.h> #define FUZZ_VALUE_SUB 1 /* Replace one value with a copy of another */ #define FUZZ_VALUE_MOD 2 /* Modify content by 1 bit */ #define FUZZ_VALUE_RND 3 /* Replace with pseudo-random value */ #define FUZZ_CHANGE_DUP 4 /* Duplicate an existing change */ #define FUZZ_CHANGE_DEL 5 /* Completely remove one change */ #define FUZZ_CHANGE_TYPE 6 /* Change the type of one change */ #define FUZZ_CHANGE_FIELD 7 /* Change an UPDATE to modify fewer columns */ #define FUZZ_CHANGE_INDIRECT 8 /* Toggle the "indirect" flag of a change */ #define FUZZ_GROUP_DUP 9 /* Duplicate a change group */ #define FUZZ_GROUP_DEL 10 /* Delete an entire change group */ #define FUZZ_GROUP_SWAP 11 /* Exchange the position of two groups */ #define FUZZ_COLUMN_ADD 12 /* Add column to table definition */ #define FUZZ_COLUMN_ADDPK 13 /* Add PK column to table definition */ #define FUZZ_COLUMN_DEL 14 /* Remove column from table definition */ typedef unsigned char u8; typedef sqlite3_uint64 u64; typedef sqlite3_int64 i64; typedef unsigned int u32; /* ** Show a usage message on stderr then quit. */ static void usage(const char *argv0){ fprintf(stderr, "Usage: %s FILENAME ?SEED N?\n", argv0); exit(1); } /* ** Read the content of a disk file into an in-memory buffer */ static void fuzzReadFile(const char *zFilename, int *pSz, void **ppBuf){ FILE *f; int sz; void *pBuf; f = fopen(zFilename, "rb"); if( f==0 ){ fprintf(stderr, "cannot open \"%s\" for reading\n", zFilename); exit(1); } fseek(f, 0, SEEK_END); sz = (int)ftell(f); rewind(f); pBuf = sqlite3_malloc( sz ? sz : 1 ); if( pBuf==0 ){ fprintf(stderr, "cannot allocate %d to hold content of \"%s\"\n", sz, zFilename); exit(1); } if( sz>0 ){ if( fread(pBuf, sz, 1, f)!=1 ){ fprintf(stderr, "cannot read all %d bytes of \"%s\"\n", sz, zFilename); exit(1); } fclose(f); } *pSz = sz; *ppBuf = pBuf; } /* ** Write the contents of buffer pBuf, size nBuf bytes, into file zFilename ** on disk. zFilename, if it already exists, is clobbered. */ static void fuzzWriteFile(const char *zFilename, void *pBuf, int nBuf){ FILE *f; f = fopen(zFilename, "wb"); if( f==0 ){ fprintf(stderr, "cannot open \"%s\" for writing\n", zFilename); exit(1); } if( fwrite(pBuf, nBuf, 1, f)!=1 ){ fprintf(stderr, "cannot write to \"%s\"\n", zFilename); exit(1); } fclose(f); } static int fuzzCorrupt(){ return SQLITE_CORRUPT; } /************************************************************************* ** The following block is a copy of the implementation of SQLite function ** sqlite3_randomness. This version has two important differences: ** ** 1. It always uses the same seed. So the sequence of random data output ** is the same for every run of the program. ** ** 2. It is not threadsafe. */ static struct sqlite3PrngType { unsigned char i, j; /* State variables */ unsigned char s[256]; /* State variables */ } sqlite3Prng = { 0xAF, 0x28, { 0x71, 0xF5, 0xB4, 0x6E, 0x80, 0xAB, 0x1D, 0xB8, 0xFB, 0xB7, 0x49, 0xBF, 0xFF, 0x72, 0x2D, 0x14, 0x79, 0x09, 0xE3, 0x78, 0x76, 0xB0, 0x2C, 0x0A, 0x8E, 0x23, 0xEE, 0xDF, 0xE0, 0x9A, 0x2F, 0x67, 0xE1, 0xBE, 0x0E, 0xA7, 0x08, 0x97, 0xEB, 0x77, 0x78, 0xBA, 0x9D, 0xCA, 0x49, 0x4C, 0x60, 0x9A, 0xF6, 0xBD, 0xDA, 0x7F, 0xBC, 0x48, 0x58, 0x52, 0xE5, 0xCD, 0x83, 0x72, 0x23, 0x52, 0xFF, 0x6D, 0xEF, 0x0F, 0x82, 0x29, 0xA0, 0x83, 0x3F, 0x7D, 0xA4, 0x88, 0x31, 0xE7, 0x88, 0x92, 0x3B, 0x9B, 0x3B, 0x2C, 0xC2, 0x4C, 0x71, 0xA2, 0xB0, 0xEA, 0x36, 0xD0, 0x00, 0xF1, 0xD3, 0x39, 0x17, 0x5D, 0x2A, 0x7A, 0xE4, 0xAD, 0xE1, 0x64, 0xCE, 0x0F, 0x9C, 0xD9, 0xF5, 0xED, 0xB0, 0x22, 0x5E, 0x62, 0x97, 0x02, 0xA3, 0x8C, 0x67, 0x80, 0xFC, 0x88, 0x14, 0x0B, 0x15, 0x10, 0x0F, 0xC7, 0x40, 0xD4, 0xF1, 0xF9, 0x0E, 0x1A, 0xCE, 0xB9, 0x1E, 0xA1, 0x72, 0x8E, 0xD7, 0x78, 0x39, 0xCD, 0xF4, 0x5D, 0x2A, 0x59, 0x26, 0x34, 0xF2, 0x73, 0x0B, 0xA0, 0x02, 0x51, 0x2C, 0x03, 0xA3, 0xA7, 0x43, 0x13, 0xE8, 0x98, 0x2B, 0xD2, 0x53, 0xF8, 0xEE, 0x91, 0x7D, 0xE7, 0xE3, 0xDA, 0xD5, 0xBB, 0xC0, 0x92, 0x9D, 0x98, 0x01, 0x2C, 0xF9, 0xB9, 0xA0, 0xEB, 0xCF, 0x32, 0xFA, 0x01, 0x49, 0xA5, 0x1D, 0x9A, 0x76, 0x86, 0x3F, 0x40, 0xD4, 0x89, 0x8F, 0x9C, 0xE2, 0xE3, 0x11, 0x31, 0x37, 0xB2, 0x49, 0x28, 0x35, 0xC0, 0x99, 0xB6, 0xD0, 0xBC, 0x66, 0x35, 0xF7, 0x83, 0x5B, 0xD7, 0x37, 0x1A, 0x2B, 0x18, 0xA6, 0xFF, 0x8D, 0x7C, 0x81, 0xA8, 0xFC, 0x9E, 0xC4, 0xEC, 0x80, 0xD0, 0x98, 0xA7, 0x76, 0xCC, 0x9C, 0x2F, 0x7B, 0xFF, 0x8E, 0x0E, 0xBB, 0x90, 0xAE, 0x13, 0x06, 0xF5, 0x1C, 0x4E, 0x52, 0xF7 } }; /* ** Generate and return single random byte */ static unsigned char fuzzRandomByte(void){ unsigned char t; sqlite3Prng.i++; t = sqlite3Prng.s[sqlite3Prng.i]; sqlite3Prng.j += t; sqlite3Prng.s[sqlite3Prng.i] = sqlite3Prng.s[sqlite3Prng.j]; sqlite3Prng.s[sqlite3Prng.j] = t; t += sqlite3Prng.s[sqlite3Prng.i]; return sqlite3Prng.s[t]; } /* ** Return N random bytes. */ static void fuzzRandomBlob(int nBuf, unsigned char *zBuf){ int i; for(i=0; i<nBuf; i++){ zBuf[i] = fuzzRandomByte(); } } /* ** Return a random integer between 0 and nRange (not inclusive). */ static unsigned int fuzzRandomInt(unsigned int nRange){ unsigned int ret; assert( nRange>0 ); fuzzRandomBlob(sizeof(ret), (unsigned char*)&ret); return (ret % nRange); } static u64 fuzzRandomU64(){ u64 ret; fuzzRandomBlob(sizeof(ret), (unsigned char*)&ret); return ret; } static void fuzzRandomSeed(unsigned int iSeed){ int i; for(i=0; i<256; i+=4){ sqlite3Prng.s[i] ^= ((iSeed >> 24) & 0xFF); sqlite3Prng.s[i+1] ^= ((iSeed >> 16) & 0xFF); sqlite3Prng.s[i+2] ^= ((iSeed >> 8) & 0xFF); sqlite3Prng.s[i+3] ^= ((iSeed >> 0) & 0xFF); } } /* ** End of code for generating pseudo-random values. *************************************************************************/ typedef struct FuzzChangeset FuzzChangeset; typedef struct FuzzChangesetGroup FuzzChangesetGroup; typedef struct FuzzChange FuzzChange; /* ** Object containing partially parsed changeset. */ struct FuzzChangeset { int bPatchset; /* True for a patchset */ FuzzChangesetGroup **apGroup; /* Array of groups in changeset */ int nGroup; /* Number of items in list pGroup */ u8 **apVal; /* Array of all values in changeset */ int nVal; /* Number of used slots in apVal[] */ int nChange; /* Number of changes in changeset */ int nUpdate; /* Number of UPDATE changes in changeset */ }; /* ** There is one object of this type for each change-group (table header) ** in the input changeset. */ struct FuzzChangesetGroup { const char *zTab; /* Name of table */ int nCol; /* Number of columns in table */ u8 *aPK; /* PK array for this table */ u8 *aChange; /* Buffer containing array of changes */ int szChange; /* Size of buffer aChange[] in bytes */ int nChange; /* Number of changes in buffer aChange[] */ }; /* ** Description of a fuzz change to be applied to a changeset. */ struct FuzzChange { int eType; /* One of the FUZZ_* constants above */ int iChange; /* Change or UPDATE to modify */ int iGroup; /* Group to modify */ int iDelete; /* Field to remove (FUZZ_COLUMN_DEL) */ u8 *pSub1; /* Replace this value with pSub2 */ u8 *pSub2; /* And this one with pSub1 */ u8 aSub[128]; /* Buffer for substitute value */ int iCurrent; /* Current change number */ }; /* ** Allocate and return nByte bytes of zeroed memory. */ static void *fuzzMalloc(int nByte){ void *pRet = sqlite3_malloc(nByte); if( pRet ){ memset(pRet, 0, nByte); } return pRet; } /* ** Free the buffer indicated by the first argument. This function is used ** to free buffers allocated by fuzzMalloc(). */ static void fuzzFree(void *p){ sqlite3_free(p); } /* ** Argument p points to a buffer containing an SQLite varint that, assuming the ** input is not corrupt, may be between 0 and 0x7FFFFFFF, inclusive. Before ** returning, this function sets (*pnVal) to the value of that varint, and ** returns the number of bytes of space that it takes up. */ static int fuzzGetVarint(u8 *p, int *pnVal){ int i; sqlite3_uint64 nVal = 0; for(i=0; i<9; i++){ nVal = (nVal<<7) + (p[i] & 0x7F); if( (p[i] & 0x80)==0 ){ i++; break; } } *pnVal = (int)nVal; return i; } /* ** Write value nVal into the buffer indicated by argument p as an SQLite ** varint. nVal is guaranteed to be between 0 and (2^21-1), inclusive. ** Return the number of bytes written to buffer p. */ static int fuzzPutVarint(u8 *p, int nVal){ assert( nVal>0 && nVal<2097152 ); if( nVal<128 ){ p[0] = nVal; return 1; } if( nVal<16384 ){ p[0] = ((nVal >> 7) & 0x7F) | 0x80; p[1] = (nVal & 0x7F); return 2; } p[0] = ((nVal >> 14) & 0x7F) | 0x80; p[1] = ((nVal >> 7) & 0x7F) | 0x80; p[2] = (nVal & 0x7F); return 3; } /* ** Read a 64-bit big-endian integer value from buffer aRec[]. Return ** the value read. */ static i64 fuzzGetI64(u8 *aRec){ return (i64)( (((u64)aRec[0]) << 56) + (((u64)aRec[1]) << 48) + (((u64)aRec[2]) << 40) + (((u64)aRec[3]) << 32) + (((u64)aRec[4]) << 24) + (((u64)aRec[5]) << 16) + (((u64)aRec[6]) << 8) + (((u64)aRec[7]) << 0) ); } /* ** Write value iVal to buffer aRec[] as an unsigned 64-bit big-endian integer. */ static void fuzzPutU64(u8 *aRec, u64 iVal){ aRec[0] = (iVal>>56) & 0xFF; aRec[1] = (iVal>>48) & 0xFF; aRec[2] = (iVal>>40) & 0xFF; aRec[3] = (iVal>>32) & 0xFF; aRec[4] = (iVal>>24) & 0xFF; aRec[5] = (iVal>>16) & 0xFF; aRec[6] = (iVal>> 8) & 0xFF; aRec[7] = (iVal) & 0xFF; } /* ** Parse a single table-header from the input. Allocate a new change-group ** object with the results. Return SQLITE_OK if successful, or an error code ** otherwise. */ static int fuzzParseHeader( FuzzChangeset *pParse, /* Changeset parse object */ u8 **ppHdr, /* IN/OUT: Iterator */ u8 *pEnd, /* 1 byte past EOF */ FuzzChangesetGroup **ppGrp /* OUT: New change-group object */ ){ int rc = SQLITE_OK; FuzzChangesetGroup *pGrp; u8 cHdr = (pParse->bPatchset ? 'P' : 'T'); assert( pEnd>(*ppHdr) ); pGrp = (FuzzChangesetGroup*)fuzzMalloc(sizeof(FuzzChangesetGroup)); if( !pGrp ){ rc = SQLITE_NOMEM; }else{ u8 *p = *ppHdr; if( p[0]!=cHdr ){ rc = fuzzCorrupt(); }else{ p++; p += fuzzGetVarint(p, &pGrp->nCol); pGrp->aPK = p; p += pGrp->nCol; pGrp->zTab = (const char*)p; p = &p[strlen(p)+1]; if( p>=pEnd ){ rc = fuzzCorrupt(); } } *ppHdr = p; } if( rc!=SQLITE_OK ){ fuzzFree(pGrp); pGrp = 0; } *ppGrp = pGrp; return rc; } /* ** Argument p points to a buffer containing a single changeset-record value. ** This function attempts to determine the size of the value in bytes. If ** successful, it sets (*pSz) to the size and returns SQLITE_OK. Or, if the ** buffer does not contain a valid value, SQLITE_CORRUPT is returned and ** the final value of (*pSz) is undefined. */ static int fuzzChangeSize(u8 *p, int *pSz){ u8 eType = p[0]; switch( eType ){ case 0x00: /* undefined */ case 0x05: /* null */ *pSz = 1; break; case 0x01: /* integer */ case 0x02: /* real */ *pSz = 9; break; case 0x03: /* text */ case 0x04: { /* blob */ int nTxt; int sz; sz = fuzzGetVarint(&p[1], &nTxt); *pSz = 1 + sz + nTxt; break; } default: return fuzzCorrupt(); } return SQLITE_OK; } /* ** When this function is called, (*ppRec) points to the start of a ** record in a changeset being parsed. This function adds entries ** to the pParse->apVal[] array for all values and advances (*ppRec) ** to one byte past the end of the record. Argument pEnd points to ** one byte past the end of the input changeset. ** ** Argument bPkOnly is true if the record being parsed is part of ** a DELETE record in a patchset. In this case, all non-primary-key ** fields have been omitted from the record. ** ** SQLITE_OK is returned if successful, or an SQLite error code otherwise. */ static int fuzzParseRecord( u8 **ppRec, /* IN/OUT: Iterator */ u8 *pEnd, /* One byte after end of input data */ FuzzChangeset *pParse, /* Changeset parse context */ int bPkOnly /* True if non-PK fields omitted */ ){ int rc = SQLITE_OK; FuzzChangesetGroup *pGrp = pParse->apGroup[pParse->nGroup-1]; int i; u8 *p = *ppRec; for(i=0; rc==SQLITE_OK && i<pGrp->nCol; i++){ if( bPkOnly==0 || pGrp->aPK[i] ){ int sz; if( p>=pEnd ) break; if( (pParse->nVal & (pParse->nVal-1))==0 ){ int nNew = pParse->nVal ? pParse->nVal*2 : 4; u8 **apNew = (u8**)sqlite3_realloc(pParse->apVal, nNew*sizeof(u8*)); if( apNew==0 ) return SQLITE_NOMEM; pParse->apVal = apNew; } pParse->apVal[pParse->nVal++] = p; rc = fuzzChangeSize(p, &sz); p += sz; } } if( rc==SQLITE_OK && i<pGrp->nCol ){ rc = fuzzCorrupt(); } *ppRec = p; return rc; } /* ** Parse the array of changes starting at (*ppData) and add entries for ** all values to the pParse->apVal[] array. Argument pEnd points to one byte ** past the end of the input changeset. If successful, set (*ppData) to point ** to one byte past the end of the change array and return SQLITE_OK. ** Otherwise, return an SQLite error code. The final value of (*ppData) is ** undefined in this case. */ static int fuzzParseChanges(u8 **ppData, u8 *pEnd, FuzzChangeset *pParse){ u8 cHdr = (pParse->bPatchset ? 'P' : 'T'); FuzzChangesetGroup *pGrp = pParse->apGroup[pParse->nGroup-1]; int rc = SQLITE_OK; u8 *p = *ppData; pGrp->aChange = p; while( rc==SQLITE_OK && p<pEnd && p[0]!=cHdr ){ u8 eOp = p[0]; u8 bIndirect = p[1]; p += 2; if( eOp==SQLITE_UPDATE ){ pParse->nUpdate++; if( pParse->bPatchset==0 ){ rc = fuzzParseRecord(&p, pEnd, pParse, 0); } }else if( eOp!=SQLITE_INSERT && eOp!=SQLITE_DELETE ){ rc = fuzzCorrupt(); } if( rc==SQLITE_OK ){ int bPkOnly = (eOp==SQLITE_DELETE && pParse->bPatchset); rc = fuzzParseRecord(&p, pEnd, pParse, bPkOnly); } pGrp->nChange++; pParse->nChange++; } pGrp->szChange = p - pGrp->aChange; *ppData = p; return rc; } /* ** Parse the changeset stored in buffer pChangeset (nChangeset bytes in ** size). If successful, write the results into (*pParse) and return ** SQLITE_OK. Or, if an error occurs, return an SQLite error code. The ** final state of (*pParse) is undefined in this case. */ static int fuzzParseChangeset( u8 *pChangeset, /* Buffer containing changeset */ int nChangeset, /* Size of buffer in bytes */ FuzzChangeset *pParse /* OUT: Results of parse */ ){ u8 *pEnd = &pChangeset[nChangeset]; u8 *p = pChangeset; int rc = SQLITE_OK; memset(pParse, 0, sizeof(FuzzChangeset)); if( nChangeset>0 ){ pParse->bPatchset = (pChangeset[0]=='P'); } while( rc==SQLITE_OK && p<pEnd ){ FuzzChangesetGroup *pGrp = 0; /* Read a table-header from the changeset */ rc = fuzzParseHeader(pParse, &p, pEnd, &pGrp); assert( (rc==SQLITE_OK)==(pGrp!=0) ); /* If the table-header was successfully parsed, add the new change-group ** to the array and parse the associated changes. */ if( rc==SQLITE_OK ){ FuzzChangesetGroup **apNew = (FuzzChangesetGroup**)sqlite3_realloc( pParse->apGroup, sizeof(FuzzChangesetGroup*)*(pParse->nGroup+1) ); if( apNew==0 ){ rc = SQLITE_NOMEM; }else{ apNew[pParse->nGroup] = pGrp; pParse->apGroup = apNew; pParse->nGroup++; } rc = fuzzParseChanges(&p, pEnd, pParse); } } return rc; } /* ** When this function is called, (*ppRec) points to the first byte of ** a record that is part of change-group pGrp. This function attempts ** to output a human-readable version of the record to stdout and advance ** (*ppRec) to point to the first byte past the end of the record before ** returning. If successful, SQLITE_OK is returned. Otherwise, an SQLite ** error code. ** ** If parameter bPkOnly is non-zero, then all non-primary-key fields have ** been omitted from the record. This occurs for records that are part ** of DELETE changes in patchsets. */ static int fuzzPrintRecord(FuzzChangesetGroup *pGrp, u8 **ppRec, int bPKOnly){ int rc = SQLITE_OK; u8 *p = *ppRec; int i; const char *zPre = " ("; for(i=0; i<pGrp->nCol; i++){ if( bPKOnly==0 || pGrp->aPK[i] ){ u8 eType = p++[0]; switch( eType ){ case 0x00: /* undefined */ printf("%sn/a", zPre); break; case 0x01: { /* integer */ sqlite3_int64 iVal = 0; iVal = fuzzGetI64(p); printf("%s%lld", zPre, iVal); p += 8; break; } case 0x02: { /* real */ sqlite3_int64 iVal = 0; double fVal = 0.0; iVal = fuzzGetI64(p); memcpy(&fVal, &iVal, 8); printf("%s%f", zPre, fVal); p += 8; break; } case 0x03: /* text */ case 0x04: { /* blob */ int nTxt; int sz; int i; p += fuzzGetVarint(p, &nTxt); printf("%s%s", zPre, eType==0x03 ? "'" : "X'"); for(i=0; i<nTxt; i++){ if( eType==0x03 ){ printf("%c", p[i]); }else{ char aHex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; printf("%c", aHex[ p[i]>>4 ]); printf("%c", aHex[ p[i] & 0x0F ]); } } printf("'"); p += nTxt; break; } case 0x05: /* null */ printf("%sNULL", zPre); break; } zPre = ", "; } } printf(")"); *ppRec = p; return rc; } /* ** Print a human-readable version of the table-header and all changes in the ** change-group passed as the second argument. */ static void fuzzPrintGroup(FuzzChangeset *pParse, FuzzChangesetGroup *pGrp){ int i; u8 *p; /* The table header */ printf("TABLE: %s nCol=%d aPK=", pGrp->zTab, pGrp->nCol); for(i=0; i<pGrp->nCol; i++){ printf("%d", (int)pGrp->aPK[i]); } printf("\n"); /* The array of changes */ p = pGrp->aChange; for(i=0; i<pGrp->nChange; i++){ u8 eType = p[0]; u8 bIndirect = p[1]; printf("%s (ind=%d):", (eType==SQLITE_INSERT) ? "INSERT" : (eType==SQLITE_DELETE ? "DELETE" : "UPDATE"), bIndirect ); p += 2; if( pParse->bPatchset==0 && eType==SQLITE_UPDATE ){ fuzzPrintRecord(pGrp, &p, 0); } fuzzPrintRecord(pGrp, &p, eType==SQLITE_DELETE && pParse->bPatchset); printf("\n"); } } /* ** Initialize the object passed as the second parameter with details ** of the change that will be attempted (type of change, to which part of the ** changeset it applies etc.). If successful, return SQLITE_OK. Or, if an ** error occurs, return an SQLite error code. ** ** If a negative value is returned, then the selected change would have ** produced a non-well-formed changeset. In this case the caller should ** call this function again. */ static int fuzzSelectChange(FuzzChangeset *pParse, FuzzChange *pChange){ int iSub; memset(pChange, 0, sizeof(FuzzChange)); pChange->eType = fuzzRandomInt(FUZZ_COLUMN_DEL) + 1; assert( pChange->eType==FUZZ_VALUE_SUB || pChange->eType==FUZZ_VALUE_MOD || pChange->eType==FUZZ_VALUE_RND || pChange->eType==FUZZ_CHANGE_DUP || pChange->eType==FUZZ_CHANGE_DEL || pChange->eType==FUZZ_CHANGE_TYPE || pChange->eType==FUZZ_CHANGE_FIELD || pChange->eType==FUZZ_CHANGE_INDIRECT || pChange->eType==FUZZ_GROUP_DUP || pChange->eType==FUZZ_GROUP_DEL || pChange->eType==FUZZ_GROUP_SWAP || pChange->eType==FUZZ_COLUMN_ADD || pChange->eType==FUZZ_COLUMN_ADDPK || pChange->eType==FUZZ_COLUMN_DEL ); pChange->iGroup = fuzzRandomInt(pParse->nGroup); pChange->iChange = fuzzRandomInt(pParse->nChange); if( pChange->eType==FUZZ_CHANGE_FIELD ){ if( pParse->nUpdate==0 ) return -1; pChange->iChange = fuzzRandomInt(pParse->nUpdate); } pChange->iDelete = -1; if( pChange->eType==FUZZ_COLUMN_DEL ){ FuzzChangesetGroup *pGrp = pParse->apGroup[pChange->iGroup]; int i; pChange->iDelete = fuzzRandomInt(pGrp->nCol); for(i=pGrp->nCol-1; i>=0; i--){ if( pGrp->aPK[i] && pChange->iDelete!=i ) break; } if( i<0 ) return -1; } if( pChange->eType==FUZZ_GROUP_SWAP ){ FuzzChangesetGroup *pGrp; int iGrp = pChange->iGroup; if( pParse->nGroup==1 ) return -1; while( iGrp==pChange->iGroup ){ iGrp = fuzzRandomInt(pParse->nGroup); } pGrp = pParse->apGroup[pChange->iGroup]; pParse->apGroup[pChange->iGroup] = pParse->apGroup[iGrp]; pParse->apGroup[iGrp] = pGrp; } if( pChange->eType==FUZZ_VALUE_SUB || pChange->eType==FUZZ_VALUE_MOD || pChange->eType==FUZZ_VALUE_RND ){ iSub = fuzzRandomInt(pParse->nVal); pChange->pSub1 = pParse->apVal[iSub]; if( pChange->eType==FUZZ_VALUE_SUB ){ iSub = fuzzRandomInt(pParse->nVal); pChange->pSub2 = pParse->apVal[iSub]; }else{ pChange->pSub2 = pChange->aSub; } if( pChange->eType==FUZZ_VALUE_RND ){ pChange->aSub[0] = (u8)(fuzzRandomInt(5) + 1); switch( pChange->aSub[0] ){ case 0x01: { /* integer */ u64 iVal = fuzzRandomU64(); fuzzPutU64(&pChange->aSub[1], iVal); break; } case 0x02: { /* real */ u64 iVal1 = fuzzRandomU64(); u64 iVal2 = fuzzRandomU64(); double d = (double)iVal1 / (double)iVal2; memcpy(&iVal1, &d, sizeof(iVal1)); fuzzPutU64(&pChange->aSub[1], iVal1); break; } case 0x03: /* text */ case 0x04: { /* blob */ int nByte = fuzzRandomInt(48); pChange->aSub[1] = nByte; fuzzRandomBlob(nByte, &pChange->aSub[2]); if( pChange->aSub[0]==0x03 ){ int i; for(i=0; i<nByte; i++){ pChange->aSub[2+i] &= 0x7F; } } break; } } } if( pChange->eType==FUZZ_VALUE_MOD ){ int sz; int iMod = -1; fuzzChangeSize(pChange->pSub1, &sz); memcpy(pChange->aSub, pChange->pSub1, sz); switch( pChange->aSub[0] ){ case 0x01: case 0x02: iMod = fuzzRandomInt(8) + 1; break; case 0x03: /* text */ case 0x04: { /* blob */ int nByte; int iFirst = 1 + fuzzGetVarint(&pChange->aSub[1], &nByte); if( nByte>0 ){ iMod = fuzzRandomInt(nByte) + iFirst; } break; } } if( iMod>=0 ){ u8 mask = (1 << fuzzRandomInt(8 - (pChange->aSub[0]==0x03))); pChange->aSub[iMod] ^= mask; } } } return SQLITE_OK; } /* ** Copy a single change from the input to the output changeset, making ** any modifications specified by (*pFuzz). */ static int fuzzCopyChange( FuzzChangeset *pParse, int iGrp, FuzzChange *pFuzz, u8 **pp, u8 **ppOut /* IN/OUT: Input and output pointers */ ){ int bPS = pParse->bPatchset; FuzzChangesetGroup *pGrp = pParse->apGroup[iGrp]; u8 *p = *pp; u8 *pOut = *ppOut; u8 eType = p++[0]; int iRec; int nRec = ((eType==SQLITE_UPDATE && !bPS) ? 2 : 1); int iUndef = -1; int nUpdate = 0; u8 eNew = eType; if( pFuzz->iCurrent==pFuzz->iChange && pFuzz->eType==FUZZ_CHANGE_TYPE ){ switch( eType ){ case SQLITE_INSERT: eNew = SQLITE_DELETE; break; case SQLITE_DELETE: eNew = SQLITE_UPDATE; break; case SQLITE_UPDATE: eNew = SQLITE_INSERT; break; } } if( pFuzz->iCurrent==pFuzz->iChange && pFuzz->eType==FUZZ_CHANGE_FIELD && eType==SQLITE_UPDATE ){ int sz; int i; int nDef = 0; u8 *pCsr = p+1; for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ) nDef++; fuzzChangeSize(pCsr, &sz); pCsr += sz; } if( nDef<=1 ) return -1; nDef = fuzzRandomInt(nDef); pCsr = p+1; for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ){ if( nDef==0 ) iUndef = i; nDef--; } fuzzChangeSize(pCsr, &sz); pCsr += sz; } } /* Copy the change type and indirect flag. If the fuzz mode is ** FUZZ_CHANGE_INDIRECT, and the current change is the one selected for ** fuzzing, invert the indirect flag. */ *(pOut++) = eNew; if( pFuzz->eType==FUZZ_CHANGE_INDIRECT && pFuzz->iCurrent==pFuzz->iChange ){ *(pOut++) = !(*(p++)); }else{ *(pOut++) = *(p++); } for(iRec=0; iRec<nRec; iRec++){ int i; /* Copy the next record from the output to the input. */ for(i=0; i<pGrp->nCol; i++){ int sz; u8 *pCopy = p; /* If this is a patchset, and the input is a DELETE, then the only ** fields present are the PK fields. So, if this is not a PK, skip to ** the next column. If the current fuzz is FUZZ_CHANGE_TYPE, then ** write a randomly selected value to the output. */ if( bPS && eType==SQLITE_DELETE && pGrp->aPK[i]==0 ){ if( eType!=eNew ){ assert( eNew==SQLITE_UPDATE ); do { pCopy = pParse->apVal[fuzzRandomInt(pParse->nVal)]; }while( pCopy[0]==0x00 ); fuzzChangeSize(pCopy, &sz); memcpy(pOut, pCopy, sz); pOut += sz; } continue; } if( p==pFuzz->pSub1 ){ pCopy = pFuzz->pSub2; }else if( p==pFuzz->pSub2 ){ pCopy = pFuzz->pSub1; }else if( i==iUndef ){ pCopy = "\0"; } if( pCopy[0]==0x00 && eNew!=eType && eType==SQLITE_UPDATE && iRec==0 ){ while( pCopy[0]==0x00 ){ pCopy = pParse->apVal[fuzzRandomInt(pParse->nVal)]; } }else if( p[0]==0x00 && pCopy[0]!=0x00 ){ return -1; }else{ if( pGrp->aPK[i]>0 && pCopy[0]==0x05 ) return -1; } if( (pFuzz->iGroup!=iGrp || i!=pFuzz->iDelete) && (eNew==eType || eType!=SQLITE_UPDATE || iRec==0) && (eNew==eType || eNew!=SQLITE_DELETE || !bPS || pGrp->aPK[i]) ){ fuzzChangeSize(pCopy, &sz); memcpy(pOut, pCopy, sz); pOut += sz; nUpdate += (pGrp->aPK[i]==0 && pCopy[0]!=0x00); } fuzzChangeSize(p, &sz); p += sz; } if( iGrp==pFuzz->iGroup ){ if( pFuzz->eType==FUZZ_COLUMN_ADD ){ if( !bPS || eType!=SQLITE_DELETE ) *(pOut++) = 0x05; }else if( pFuzz->eType==FUZZ_COLUMN_ADDPK ){ if( iRec==1 ){ *(pOut++) = 0x00; }else{ u8 *pNew; int szNew; do { pNew = pParse->apVal[fuzzRandomInt(pParse->nVal)]; }while( pNew[0]==0x00 || pNew[0]==0x05 ); fuzzChangeSize(pNew, &szNew); memcpy(pOut, pNew, szNew); pOut += szNew; } } } } if( pFuzz->iCurrent==pFuzz->iChange ){ if( pFuzz->eType==FUZZ_CHANGE_DUP ){ int nByte = pOut - (*ppOut); memcpy(pOut, *ppOut, nByte); pOut += nByte; } if( pFuzz->eType==FUZZ_CHANGE_DEL ){ pOut = *ppOut; } if( eNew!=eType && eNew==SQLITE_UPDATE && !bPS ){ int i; u8 *pCsr = (*ppOut) + 2; for(i=0; i<pGrp->nCol; i++){ int sz; u8 *pCopy = pCsr; if( pGrp->aPK[i] ) pCopy = "\0"; fuzzChangeSize(pCopy, &sz); memcpy(pOut, pCopy, sz); pOut += sz; fuzzChangeSize(pCsr, &sz); pCsr += sz; } } } /* If a column is being deleted from this group, and this change was an ** UPDATE, and there are now no non-PK, non-undefined columns in the ** change, remove it altogether. */ if( pFuzz->eType==FUZZ_COLUMN_DEL && pFuzz->iGroup==iGrp && eType==SQLITE_UPDATE && nUpdate==0 ){ pOut = *ppOut; } *pp = p; *ppOut = pOut; pFuzz->iCurrent += (eType==SQLITE_UPDATE || pFuzz->eType!=FUZZ_CHANGE_FIELD); return SQLITE_OK; } /* ** Fuzz the changeset parsed into object pParse and write the results ** to file zOut on disk. Argument pBuf points to a buffer that is guaranteed ** to be large enough to hold the fuzzed changeset. ** ** Return SQLITE_OK if successful, or an SQLite error code if an error occurs. */ static int fuzzDoOneFuzz( const char *zOut, /* Filename to write modified changeset to */ u8 *pBuf, /* Buffer to use for modified changeset */ FuzzChangeset *pParse /* Parse of input changeset */ ){ FuzzChange change; int iGrp; int rc = -1; while( rc<0 ){ u8 *pOut = pBuf; rc = fuzzSelectChange(pParse, &change); for(iGrp=0; rc==SQLITE_OK && iGrp<pParse->nGroup; iGrp++){ FuzzChangesetGroup *pGrp = pParse->apGroup[iGrp]; int nTab = strlen(pGrp->zTab) + 1; int j; int nRep = 1; /* If this is the group to delete for a FUZZ_GROUP_DEL change, jump to ** the next group. Unless this is the only group in the changeset - in ** that case this change cannot be applied. ** ** Or, if this is a FUZZ_GROUP_DUP, set nRep to 2 to output two ** copies of the group. */ if( change.iGroup==iGrp ){ if( change.eType==FUZZ_GROUP_DEL ){ if( pParse->nGroup==1 ) rc = -1; continue; } else if( change.eType==FUZZ_GROUP_DUP ){ nRep = 2; } } for(j=0; j<nRep; j++){ int i; u8 *pSaved; u8 *p = pGrp->aChange; int nCol = pGrp->nCol; int iPKDel = 0; if( iGrp==change.iGroup ){ if( change.eType==FUZZ_COLUMN_ADD || change.eType==FUZZ_COLUMN_ADDPK ){ nCol++; }else if( change.eType==FUZZ_COLUMN_DEL ){ nCol--; iPKDel = pGrp->aPK[change.iDelete]; } } /* Output a table header */ pOut++[0] = pParse->bPatchset ? 'P' : 'T'; pOut += fuzzPutVarint(pOut, nCol); for(i=0; i<pGrp->nCol; i++){ if( iGrp!=change.iGroup || i!=change.iDelete ){ u8 v = pGrp->aPK[i]; if( iPKDel && v>iPKDel ) v--; *(pOut++) = v; } } if( nCol>pGrp->nCol ){ if( change.eType==FUZZ_COLUMN_ADD ){ *(pOut++) = 0x00; }else{ u8 max = 0; for(i=0; i<pGrp->nCol; i++){ if( pGrp->aPK[i]>max ) max = pGrp->aPK[i]; } *(pOut++) = max+1; } } memcpy(pOut, pGrp->zTab, nTab); pOut += nTab; /* Output the change array. */ pSaved = pOut; for(i=0; rc==SQLITE_OK && i<pGrp->nChange; i++){ rc = fuzzCopyChange(pParse, iGrp, &change, &p, &pOut); } if( pOut==pSaved ) rc = -1; } } if( rc==SQLITE_OK ){ fuzzWriteFile(zOut, pBuf, pOut-pBuf); } } return rc; } int main(int argc, char **argv){ int nRepeat = 0; /* Number of output files */ int iSeed = 0; /* Value of PRNG seed */ const char *zInput; /* Name of input file */ void *pChangeset = 0; /* Input changeset */ int nChangeset = 0; /* Size of input changeset in bytes */ int i; /* Current output file */ FuzzChangeset changeset; /* Partially parsed changeset */ int rc; u8 *pBuf = 0; if( argc!=4 && argc!=2 ) usage(argv[0]); zInput = argv[1]; fuzzReadFile(zInput, &nChangeset, &pChangeset); rc = fuzzParseChangeset(pChangeset, nChangeset, &changeset); if( rc==SQLITE_OK ){ if( argc==2 ){ for(i=0; i<changeset.nGroup; i++){ fuzzPrintGroup(&changeset, changeset.apGroup[i]); } }else{ pBuf = (u8*)fuzzMalloc(nChangeset*2 + 1024); if( pBuf==0 ){ rc = SQLITE_NOMEM; }else{ iSeed = atoi(argv[2]); nRepeat = atoi(argv[3]); fuzzRandomSeed((unsigned int)iSeed); for(i=0; rc==SQLITE_OK && i<nRepeat; i++){ char *zOut = sqlite3_mprintf("%s-%d", zInput, i); rc = fuzzDoOneFuzz(zOut, pBuf, &changeset); sqlite3_free(zOut); } fuzzFree(pBuf); } } } if( rc!=SQLITE_OK ){ fprintf(stderr, "error while processing changeset: %d\n", rc); } return rc; } |
Added ext/session/changesetfuzz1.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | # 2018 November 08 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # if {![info exists testdir]} { set testdir [file join [file dirname [info script]] .. .. test] } source [file join [file dirname [info script]] session_common.tcl] source $testdir/tester.tcl ifcapable !session {finish_test; return} set testprefix changesetfuzz1 set CF [test_find_binary changesetfuzz] if {$CF==""} { finish_test return } proc writefile {zFile data} { set fd [open $zFile w] fconfigure $fd -translation binary -encoding binary puts -nonewline $fd $data close $fd } do_execsql_test 1.0 { CREATE TABLE t1(a, b, c, d, PRIMARY KEY(c, d)); CREATE TABLE t2(a INTEGER PRIMARY KEY, b, c); INSERT INTO t1 VALUES ('one', 'two', 'three', 'four'), ('five', 'six', 'seven', 'eight'), ('nine', 'ten', 'eleven', 'twelve'); INSERT INTO t2 VALUES (1, 2, 3), (4, 5, 6), (7, 8, 9); } set C [changeset_from_sql { INSERT INTO t2 VALUES(10, 11, 12); DELETE FROM t2 WHERE a=1; UPDATE t1 SET b='forty-five' WHERE a='one'; UPDATE t1 SET a='twenty-nine', b='seventy' WHERE a='five'; }] writefile c1.changeset $C do_test 1.1 { for {set j 0} {$j < 200} {incr j} { forcecopy c1.changeset input.changeset for {set i 0} {$i < 6} {incr i} { exec $CF input.changeset $i 1 exec $CF input.changeset-0 forcecopy input.changeset-0 input.changeset } } } {} set P [patchset_from_sql { INSERT INTO t2 VALUES(13, 14, 15); DELETE FROM t2 WHERE a=4; UPDATE t1 SET b='thirteen' WHERE a='one'; UPDATE t1 SET a='ninety-seven', b='twenty' WHERE a='five'; }] writefile p1.patchset $P do_test 1.2 { for {set j 0} {$j < 200} {incr j} { forcecopy p1.patchset input.patchset for {set i 0} {$i < 6} {incr i} { exec $CF input.patchset $i 1 exec $CF input.patchset-0 forcecopy input.patchset-0 input.patchset } } } {} finish_test |
Changes to main.mk.
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993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 | showshm$(EXE): $(TOP)/tool/showshm.c $(TCC) -o showshm$(EXE) $(TOP)/tool/showshm.c changeset$(EXE): $(TOP)/ext/session/changeset.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o changeset$(EXE) \ $(TOP)/ext/session/changeset.c sqlite3.o $(THREADLIB) fts3view$(EXE): $(TOP)/ext/fts3/tool/fts3view.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o fts3view$(EXE) \ $(TOP)/ext/fts3/tool/fts3view.c sqlite3.o $(THREADLIB) rollback-test$(EXE): $(TOP)/tool/rollback-test.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o rollback-test$(EXE) \ | > > > > | 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 | showshm$(EXE): $(TOP)/tool/showshm.c $(TCC) -o showshm$(EXE) $(TOP)/tool/showshm.c changeset$(EXE): $(TOP)/ext/session/changeset.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o changeset$(EXE) \ $(TOP)/ext/session/changeset.c sqlite3.o $(THREADLIB) changesetfuzz$(EXE): $(TOP)/ext/session/changesetfuzz.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o changesetfuzz$(EXE) \ $(TOP)/ext/session/changesetfuzz.c sqlite3.o $(THREADLIB) fts3view$(EXE): $(TOP)/ext/fts3/tool/fts3view.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o fts3view$(EXE) \ $(TOP)/ext/fts3/tool/fts3view.c sqlite3.o $(THREADLIB) rollback-test$(EXE): $(TOP)/tool/rollback-test.c sqlite3.o $(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o rollback-test$(EXE) \ |
︙ | ︙ |