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In sudoedit, use sudo_check_temp_file() for non-SELinux too.

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This commit is contained in:
Todd C. Miller
2021-01-06 13:01:09 -07:00
parent 7cd36222e7
commit 397a07e86f
2 changed files with 3 additions and 12 deletions
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13
src/sudo_edit.c
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@@ -667,24 +667,17 @@ sudo_edit_copy_tfiles(struct command_details *command_details,
/* Copy contents of temp files to real ones. */
for (i = 0; i < nfiles; i++) {
int rc = -1;
sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
"seteuid(%u)", (unsigned int)user_details.uid);
if (seteuid(user_details.uid) != 0)
sudo_fatal("seteuid(%u)", (unsigned int)user_details.uid);
tfd = sudo_edit_open(tf[i].tfile, O_RDONLY,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, NULL);
if (tfd != -1)
rc = fstat(tfd, &sb);
sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
"seteuid(%u)", ROOT_UID);
if (seteuid(ROOT_UID) != 0)
sudo_fatal("seteuid(ROOT_UID)");
if (rc == -1 || !S_ISREG(sb.st_mode)) {
if (rc == -1)
sudo_warn("%s", tf[i].tfile);
else
sudo_warnx(U_("%s: not a regular file"), tf[i].tfile);
sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
"seteuid(%u)", ROOT_UID);
if (tfd == -1 || !sudo_check_temp_file(tfd, tf[i].tfile, user_details.uid, &sb)) {
sudo_warnx(U_("%s left unmodified"), tf[i].ofile);
if (tfd != -1)
close(tfd);