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Quote --set-mtime-command file names

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Problem reported by Raphael Karger.
* src/system.c: Include quotearg.h.
(sys_exec_setmtime_script): Quote the file name for the shell.
This commit is contained in:
Paul Eggert
2026-05-11 14:13:59 -07:00
parent d479b2cc91
commit 5479c4b905
1 changed files with 13 additions and 5 deletions
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src/system.c
+13 -5
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@@ -24,6 +24,7 @@
#include "common.h"
#include <priv-set.h>
#include <quotearg.h>
#include <rmt.h>
#include <same-inode.h>
#include <signal.h>
@@ -931,11 +932,18 @@ sys_exec_setmtime_script (const char *script_name,
if ((pid = xfork ()) == 0)
{
char *command = xmalloc (strlen (script_name) + strlen (file_name) + 2);
strcpy (command, script_name);
strcat (command, " ");
strcat (command, file_name);
struct quoting_options *shell_quoting = clone_quoting_options (NULL);
set_quoting_style (shell_quoting, shell_quoting_style);
idx_t script_name_len = strlen (script_name);
idx_t file_name_len = strlen (file_name);
idx_t file_name_quoted_len = quotearg_buffer (NULL, 0, file_name,
file_name_len,
shell_quoting);
char *command = xmalloc (script_name_len + file_name_quoted_len + 2);
cp = mempcpy (command, script_name, script_name_len);
*cp++ = ' ';
quotearg_buffer (cp, file_name_quoted_len + 1, file_name, file_name_len,
shell_quoting);
if (dirfd != AT_FDCWD && fchdir (dirfd) < 0)
paxfatal (errno, _("chdir failed"));