CHANGES

   1 $Id: CHANGES,v 1.13 1999/11/05 22:02:11 tiniou Exp $
   2
   3 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
   4 ====================================================================
   5
   6 1.      Use lchown instead of chown, fixing a possible security problem
   7         when restoring symlinks (a malicious user could use this
   8         to deliberately corrupt the ownership of important system files).
   9         Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
  10         this and providing the patch.
  11
  12 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
  13 ====================================================================
  14
  15 1.      Put dump sources under CVS, added Id tags in all files so
  16         one can use 'ident' on binary files.
  17
  18 2.      Added the dump/restore version in the usage text so one can
  19         easily verify the version he is using.
  20
  21 3.      Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
  22         a va_start/va_end problem on linux-ppc (always call va_start
  23         va_end in pairs each time we use a vararg function).
  24
  25 4.      Added again the DT_* constants because old libc does not
  26         contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
  27         for submitting the bug report.
  28
  29 5.      Use ext2fs_llseek instead of llseek. With recent e2fsprogs
  30         this should enable dumping big (huge) filesystems.
  31
  32 6.      Added the RSH environment variable in order to be able to
  33         use a rsh replacement like ssh when doing remote backups (and
  34         bypass the security limitations of rcmd). Now you can do remote
  35         backups without being root (or making dump setuid root).
  36
  37 7.      Modified again the way dumpdates works. For incremental dumps,
  38         we need to read dumpdates even if we are not using 'u' option.
  39         Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
  40         this should work.
  41
  42 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
  43 ===================================================================
  44
  45 1.      Removed the 'k' flag from the restore 'about' text if kerberos
  46         was not compiled in.
  47
  48 2.      Prototyped (f)setflags from e2fsprogs and corrected the calls
  49         to them (fsetflags takes a char*, setflags an open fd!).
  50
  51 3.      (f)setflags is called only if the flags aren't empty. If the
  52         file is a special file, a warning is printed, because changing
  53         flags implies opening the device. Normally, a special file
  54         should not have any flag... (Debian bug #29775, patch provided
  55         by Abhijit Dasgupta <abhijit@ans.net>).
  56
  57 4.      Made possible to dump a file system not mentioned in /etc/fstab.
  58         (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
  59
  60 5.      Changed the default behaviour to not create dumpdates
  61         unless 'u' option is specified. Removed the old "debian-patch"
  62         which provided the same thing. (Debian bug #38136, #33818).
  63
  64 6.      Removed all those dump*announce, since they were getting old...
  65
  66 7.      Added warning messages if dumpdates does not exist and
  67         when an inferior level dump does not exist (except for a level 0
  68         dump).
  69
  70 8.      Debugged the glob calls in interactive mode: restore used a
  71         dirent struct which was different from the /usr/include/dirent.h
  72         one (this used to work, is it a glibc2 change?), so none of the
  73         compat glob (which used /usr/include/dirent.h) or the system glob
  74         worked. Restore use now the system dirent (and the system
  75         DT_* constants), which are compatible with BSD ones.
  76
  77 9.      Added a configure flag (--with-dumpdatespath) to specify
  78         the location of dumpdates file. By default, it is
  79         /etc/dumpdates.
  80
  81 10.     Added the "AUTHOR" and "AVAILABILITY" sections and
  82         included the current date/version in man pages.
  83
  84 11.     Corrected the estimation of remaining time when
  85         the operator doesn't change the tapes quickly enough. This
  86         was an old bug, I thought I corrected it, and discovered
  87         that in fact it was corrected in two different places, so
  88         the results canceled each other...
  89
  90 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
  91 ===================================================================
  92
  93 1.      Integrated multiple patches from RedHat, Debian and SuSE:
  94
  95         - tweak dump/itime.c to not try to read dumpdates if the 'u' option
  96           isn't specified.
  97         - several fixes in the man pages.
  98         - update the default tape device to /dev/st0.
  99         - many updates for Linux Alpha (byte ordering, size_t etc).
 100         - buffer overruns.
 101         - use environment variable for TMPDIR (instead of /tmp).
 102         - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
 103         - workaround egcs bug (RedHat bugs #4281 and #2989).
 104         - wire $(OPT) throughout Makefile's.
 105
 106 2.      Upgrade the dump revision to 1, making possible to dump filesystems
 107         made with e2fsprogs-1.15 or newer. Nothing seems to break...
 108
 109 3.      Fix some compile warnings, prototype all functions.
 110
 111 4.      Use glibc err/glob instead of internal compatibility
 112         routines (only if available).
 113
 114 5.      Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
 115         by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
 116
 117 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
 118 ======================================================================
 119
 120 1.      Integrated the changes from FreeBSD-3.1-RELEASE
 121         (mostly bug fixes, buffer overruns, dump has now an "automatic
 122         tape length calculation" flag, dump/restore can use kerberos now
 123         (this is NOT tested), use environment variables for TAPE and
 124         RMT etc.).
 125
 126 2.      Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
 127
 128 3.      Corrected a bug in restore when using 'C' option with multi-volumes
 129         tapes (files splited accros two tapes give "size changed" errors
 130         when comparing).
 131
 132 4.      Corrected the long standing bug when dumping multiple tapes.
 133         This works for me, needs further testing.
 134
 135 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
 136 ====================================================================
 137
 138 1.      Dump now runs correctly on kernels 2.1.x
 139         Fix made by Gerald Peters <gapeters@worldnet.att.net>
 140
 141 Changes between versions 0.4b2 and 0.4b3
 142 ========================================
 143
 144 1.      Use realpath() if available
 145
 146 2.      Report statistics
 147
 148 Changes between versions 0.4b1 and 0.4b2
 149 ========================================
 150
 151 1.      Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
 152         the patch)
 153
 154 2.      Fixed restore to make it able to read FreeBSD 2.x dumps again
 155
 156 3.      Fixed configure.in to correctly handle --enable-rmt
 157
 158 Changes between versions 0.3 and 0.4b1
 159 ======================================
 160
 161 1.      Integrated the changes from 4.4BSD-Lite2
 162
 163 2.      Integrated the patches from Debian and Red Hat
 164
 165 3.      Portability changes: use the __u32, __u16, __s32, and __s16 types
 166
 167 4.      Changed dump to use the Ext2fs library to get block addresses.  This
 168         should solve the endianness problem on SparcLinux.
 169
 170 5.      Created a configure.in file (shamelessly stolen from the e2fsprogs
 171         distribution's one) to use autoconf
 172
 173 6.      Fixed a few minor bugs
 174
 175 Changes between versions 0.2e and 0.2f
 176 ======================================
 177
 178 1.      Added the creation of named pipes (fifos) in restore.
 179
 180 2.      Added the -N flag in the restore manual page.
 181
 182 3.      Added the file kernel.patch which contains the llseek() optimization
 183         patch for 1.2.x kernels.
 184
 185 4.      Fixed a bug in the restoration of symbolic links: owner and group were
 186         not restored.
 187
 188 5.      Integrated some changes from FreeBSD 2.2.
 189
 190 6.      Added a call to ftruncate() after restoring each file to restore
 191         correctly files ending by a hole.
 192
 193 Changes between versions 0.2d and 0.2e
 194 ======================================
 195
 196 1.      Fixed a bug in the "set owner/mode" process.  Every file was restored
 197         with owner = root (0) and group = root/wheel/whatever (0).
 198
 199 Changes between versions 0.2c and 0.2d
 200 ======================================
 201
 202 1.      Dump is now able to backup 2GB+ filesystems.
 203
 204 2.      Dump and restore can now be linked as static binaries.
 205
 206 Changes between versions 0.2b and 0.2c
 207 ======================================
 208
 209 1.      Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
 210
 211 Changes between versions 0.2a and 0.2b
 212 ======================================
 213
 214 1.      Really fixed the bug that I should have corrected in 0.2a.
 215
 216 2.      Enabled optimization again.
 217
 218 Changes between versions 0.2 and 0.2a
 219 =====================================
 220
 221 1.      Disabled the optimization during compilation.
 222
 223 Changes between versions 0.1 and 0.2
 224 ====================================
 225
 226 1.      Fixed a bug in fstab.c which caused a null pointer to be stored in
 227         the fs_type field (actually, I modified the file fstab.c to make it
 228         use the mntent functions).
 229
 230 2.      Dump and restore now use a 4.3 BSD compatible dump format.  Backups
 231         made by dump should be readable by the BSD restore and backups made
 232         by the BSD dump should be readable by restore.  Unfortunately, this
 233         means that the dump format has changed between version 0.1 and version
 234         0.2 :-(
 235
 236 3.      Dump is now able to backup a subtree, it is no longer limited to whole
 237         filesystems like the BSD version.
 238
 239 4.      Dump now uses ext2_llseek() so it is able to backup filesystems bigger
 240         than 2 GB.
 241
 242 Changes between versions 0.0 and 0.1
 243 ====================================
 244
 245 1.      Now create links rdump and rrestore during the `make install' step.
 246
 247 2.      Linux port specific bugs added to the manual pages
 248
 249 3.      Incorrect estimation of the number of tapes blocks fixed when doing
 250         incremental backups.
 251
 252 4.      Better ls-like format in restore in interactive mode.