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Change the temporary directory search algorithm on unix so that directories

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with only -wx permission are allowed.  And do not allow "." to be returned if
it lacks -wx permission.

FossilOrigin-Name: 67985761aa93fb613b87d340e75371fa55b0f778
This commit is contained in:
drh 2016-04-21 23:37:24 +00:00
parent 83b74f29c5
commit 7694e06461
3 changed files with 13 additions and 12 deletions
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15
manifest
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@ -1,5 +1,5 @@
C Add\sthe\ssqlite3rbu_vacuum()\sAPI,\sto\screate\san\sRBU\shandle\sthat\scan\sbe\sused\sto\srebuild\sa\sdatabase\sin\sthe\ssame\sway\sas\sthe\sVACUUM\scommand.
D 2016-04-21T18:13:37.597
C Change\sthe\stemporary\sdirectory\ssearch\salgorithm\son\sunix\sso\sthat\sdirectories\nwith\sonly\s-wx\spermission\sare\sallowed.\s\sAnd\sdo\snot\sallow\s"."\sto\sbe\sreturned\sif\nit\slacks\s-wx\spermission.
D 2016-04-21T23:37:24.378
F Makefile.in eba680121821b8a60940a81454316f47a341487a
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 71b8b16cf9393f68e2e2035486ca104872558836
@ -361,7 +361,7 @@ F src/os.c 4d83917f072ad958fba9235136fa2ed43df47905
F src/os.h 8e976e59eb4ca1c0fca6d35ee803e38951cb0343
F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
F src/os_unix.c d0b41a47eb5f0dc00e423a1723aadeab0e78c85f
F src/os_unix.c c96826e21e897bf9c6ae896be9de8d55d63a4ed5
F src/os_win.c 1997a873bfc8296a701bd8e2df8c3d5da5afe956
F src/os_win.h eb7a47aa17b26b77eb97e4823f20a00b8bda12ca
F src/pager.c d20fa46d5beda38095be6070dd4c59e502817c72
@ -1484,8 +1484,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P c4f165c460c4244ed434107feac005efa3c386cf 6e4ac704f51bdd1e0b16814f6a45ab29f26400ee
R 4089c7bed4eb395c7a148d5eb16b1be4
T +closed 6e4ac704f51bdd1e0b16814f6a45ab29f26400ee
U dan
Z 0e5a7e5d2cf2990714a283851c232d22
P bd4a6f8313eb71399a7141ebf7f2617d7b1464c3
R 90c3ca98d0d4d69b4119d1fe5513a916
U drh
Z f4304caf089d5c38523c57ca13360c36

2
manifest.uuid
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@ -1 +1 @@
bd4a6f8313eb71399a7141ebf7f2617d7b1464c3
67985761aa93fb613b87d340e75371fa55b0f778

8
src/os_unix.c
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@ -5420,10 +5420,10 @@ static const char *unixTempFileDir(void){
if( zDir==0 ) continue;
if( osStat(zDir, &buf) ) continue;
if( !S_ISDIR(buf.st_mode) ) continue;
if( osAccess(zDir, 07) ) continue;
break;
}
if( osAccess(zDir, 03) ) continue;
return zDir;
}
return 0;
}
/*
@ -5439,9 +5439,11 @@ static int unixGetTempname(int nBuf, char *zBuf){
** using the io-error infrastructure to test that SQLite handles this
** function failing.
*/
zBuf[0] = 0;
SimulateIOError( return SQLITE_IOERR );
zDir = unixTempFileDir();
if( zDir==0 ) return SQLITE_IOERR_GETTEMPPATH;
do{
u64 r;
sqlite3_randomness(sizeof(r), &r);