62 lines
1.9 KiB
Diff
62 lines
1.9 KiB
Diff
From 4dc62ebcf37d7568be1d4ca54367215eba8b8a28 Mon Sep 17 00:00:00 2001
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From: ikerexxe <ipedrosa@redhat.com>
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Date: Wed, 5 Feb 2020 15:04:39 +0100
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Subject: [PATCH] useradd: doesn't generate /var/spool/mail/$USER with the
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proper SELinux user identity
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Explanation: use set_selinux_file_context() and reset_selinux_file_context() for create_mail() just as is done for create_home()
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1690527
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---
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src/useradd.c | 20 ++++++++++++++++++++
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1 file changed, 20 insertions(+)
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diff --git a/src/useradd.c b/src/useradd.c
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index a679392d..645d4a40 100644
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--- a/src/useradd.c
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+++ b/src/useradd.c
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@@ -190,6 +190,7 @@ static bool home_added = false;
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#define E_NAME_IN_USE 9 /* username already in use */
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#define E_GRP_UPDATE 10 /* can't update group file */
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#define E_HOMEDIR 12 /* can't create home directory */
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+#define E_MAILBOXFILE 13 /* can't create mailbox file */
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#define E_SE_UPDATE 14 /* can't update SELinux user mapping */
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#ifdef ENABLE_SUBIDS
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#define E_SUB_UID_UPDATE 16 /* can't update the subordinate uid file */
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@@ -2210,6 +2211,16 @@ static void create_mail (void)
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sprintf (file, "%s/%s/%s", prefix, spool, user_name);
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else
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sprintf (file, "%s/%s", spool, user_name);
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+
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+#ifdef WITH_SELINUX
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+ if (set_selinux_file_context (file, NULL) != 0) {
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+ fprintf (stderr,
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+ _("%s: cannot set SELinux context for mailbox file %s\n"),
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+ Prog, file);
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+ fail_exit (E_MAILBOXFILE);
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+ }
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+#endif
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+
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fd = open (file, O_CREAT | O_WRONLY | O_TRUNC | O_EXCL, 0);
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if (fd < 0) {
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perror (_("Creating mailbox file"));
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@@ -2234,6 +2245,15 @@ static void create_mail (void)
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fsync (fd);
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close (fd);
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+#ifdef WITH_SELINUX
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+ /* Reset SELinux to create files with default contexts */
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+ if (reset_selinux_file_context () != 0) {
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+ fprintf (stderr,
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+ _("%s: cannot reset SELinux file creation context\n"),
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+ Prog);
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+ fail_exit (E_MAILBOXFILE);
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+ }
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+#endif
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}
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}
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--
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2.24.1
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