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Diffstat (limited to 'source/ap/vim/patches/7.4.009')
| -rw-r--r-- | source/ap/vim/patches/7.4.009 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/source/ap/vim/patches/7.4.009 b/source/ap/vim/patches/7.4.009 new file mode 100644 index 00000000..f5e5fa60 --- /dev/null +++ b/source/ap/vim/patches/7.4.009 @@ -0,0 +1,64 @@ +To: vim_dev@googlegroups.com +Subject: Patch 7.4.009 +Fcc: outbox +From: Bram Moolenaar <Bram@moolenaar.net> +Mime-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit +------------ + +Patch 7.4.009 +Problem: When a file was not decrypted (yet), writing it may destroy the + contents. +Solution: Mark the file as readonly until decryption was done. (Christian + Brabandt) +Files: src/fileio.c + + +*** ../vim-7.4.008/src/fileio.c 2013-08-05 21:58:03.000000000 +0200 +--- src/fileio.c 2013-08-25 17:45:27.000000000 +0200 +*************** +*** 2926,2934 **** +--- 2926,2939 ---- + int *did_ask; /* flag: whether already asked for key */ + { + int method = crypt_method_from_magic((char *)ptr, *sizep); ++ int b_p_ro = curbuf->b_p_ro; + + if (method >= 0) + { ++ /* Mark the buffer as read-only until the decryption has taken place. ++ * Avoids accidentally overwriting the file with garbage. */ ++ curbuf->b_p_ro = TRUE; ++ + set_crypt_method(curbuf, method); + if (method > 0) + (void)blowfish_self_test(); +*************** +*** 2977,2982 **** +--- 2982,2989 ---- + *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; + mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, + (size_t)*sizep); ++ /* Restore the read-only flag. */ ++ curbuf->b_p_ro = b_p_ro; + } + } + /* When starting to edit a new file which does not have encryption, clear +*** ../vim-7.4.008/src/version.c 2013-08-25 17:01:36.000000000 +0200 +--- src/version.c 2013-08-25 17:44:30.000000000 +0200 +*************** +*** 729,730 **** +--- 729,732 ---- + { /* Add new patch number below this line */ ++ /**/ ++ 9, + /**/ + +-- +I have a watch cat! Just break in and she'll watch. + + /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\ +/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ +\\\ an exciting new programming language -- http://www.Zimbu.org /// + \\\ help me help AIDS victims -- http://ICCF-Holland.org /// |