009780587f
Somehow curl from github piped into git am didn't add them. Sorry, I didn't notice. Thanks @shlevy.
65 lines
2 KiB
Plaintext
65 lines
2 KiB
Plaintext
To: vim_dev@googlegroups.com
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Subject: Patch 7.4.009
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.009
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Problem: When a file was not decrypted (yet), writing it may destroy the
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contents.
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Solution: Mark the file as readonly until decryption was done. (Christian
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Brabandt)
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Files: src/fileio.c
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*** ../vim-7.4.008/src/fileio.c 2013-08-05 21:58:03.000000000 +0200
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--- src/fileio.c 2013-08-25 17:45:27.000000000 +0200
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***************
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*** 2926,2934 ****
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--- 2926,2939 ----
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int *did_ask; /* flag: whether already asked for key */
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{
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int method = crypt_method_from_magic((char *)ptr, *sizep);
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+ int b_p_ro = curbuf->b_p_ro;
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if (method >= 0)
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{
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+ /* Mark the buffer as read-only until the decryption has taken place.
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+ * Avoids accidentally overwriting the file with garbage. */
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+ curbuf->b_p_ro = TRUE;
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+
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set_crypt_method(curbuf, method);
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if (method > 0)
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(void)blowfish_self_test();
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***************
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*** 2977,2982 ****
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--- 2982,2989 ----
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*sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len;
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mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len,
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(size_t)*sizep);
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+ /* Restore the read-only flag. */
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+ curbuf->b_p_ro = b_p_ro;
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}
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}
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/* When starting to edit a new file which does not have encryption, clear
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*** ../vim-7.4.008/src/version.c 2013-08-25 17:01:36.000000000 +0200
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--- src/version.c 2013-08-25 17:44:30.000000000 +0200
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***************
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*** 729,730 ****
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--- 729,732 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 9,
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/**/
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--
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I have a watch cat! Just break in and she'll watch.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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