42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
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From 3fcd042d26d70856e826a42b5f93dc4854d80bf0 Mon Sep 17 00:00:00 2001
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From: Andreas Gruenbacher <agruen@gnu.org>
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Date: Fri, 6 Apr 2018 19:36:15 +0200
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Subject: Invoke ed directly instead of using the shell
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* src/pch.c (do_ed_script): Invoke ed directly instead of using a shell
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command to avoid quoting vulnerabilities.
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[Retrieved from:
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https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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src/pch.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/src/pch.c b/src/pch.c
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index 4fd5a05..16e001a 100644
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--- a/src/pch.c
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+++ b/src/pch.c
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@@ -2459,9 +2459,6 @@ do_ed_script (char const *inname, char const *outname,
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*outname_needs_removal = true;
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copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
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}
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- sprintf (buf, "%s %s%s", editor_program,
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- verbosity == VERBOSE ? "" : "- ",
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- outname);
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fflush (stdout);
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pid = fork();
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@@ -2470,7 +2467,8 @@ do_ed_script (char const *inname, char const *outname,
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else if (pid == 0)
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{
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dup2 (tmpfd, 0);
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- execl ("/bin/sh", "sh", "-c", buf, (char *) 0);
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+ assert (outname[0] != '!' && outname[0] != '-');
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+ execlp (editor_program, editor_program, "-", outname, (char *) NULL);
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_exit (2);
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}
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else
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--
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cgit v1.2.1
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