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From 0ca06b7178ac205855238941eef7fe981447822a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sun, 24 May 2015 20:20:06 -0400
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Subject: [PATCH] bus-creds: always set SD_BUS_CREDS_PID when we set pid in the
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 mask
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Also reorder the code a bit to be easier to parse.
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Cherry-picked from: 236f83a
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Related: #1230190
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---
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 src/core/selinux-access.c         |  2 +-
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 src/libsystemd/sd-bus/bus-creds.c | 17 +++++++----------
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 2 files changed, 8 insertions(+), 11 deletions(-)
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diff --git a/src/core/selinux-access.c b/src/core/selinux-access.c
Pablo Greco 48fc63
index 18888747f2..ce4f394596 100644
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--- a/src/core/selinux-access.c
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+++ b/src/core/selinux-access.c
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@@ -240,7 +240,7 @@ int mac_selinux_generic_access_check(
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         audit_info.path = path;
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         audit_info.cmdline = cl;
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-        r = selinux_check_access((security_context_t) scon, fcon, tclass, permission, &audit_info);
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+        r = selinux_check_access(scon, fcon, tclass, permission, &audit_info);
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         if (r < 0)
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                 r = sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "SELinux policy denies access.");
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diff --git a/src/libsystemd/sd-bus/bus-creds.c b/src/libsystemd/sd-bus/bus-creds.c
Pablo Greco 48fc63
index ea8a619c5a..5b87fa950a 100644
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--- a/src/libsystemd/sd-bus/bus-creds.c
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+++ b/src/libsystemd/sd-bus/bus-creds.c
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@@ -698,21 +698,18 @@ int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) {
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                 return 0;
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         /* Try to retrieve PID from creds if it wasn't passed to us */
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-        if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID))
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+        if (pid > 0) {
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+                c->pid = pid;
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+                c->mask |= SD_BUS_CREDS_PID;
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+        } else if (c->mask & SD_BUS_CREDS_PID)
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                 pid = c->pid;
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+        else
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+                /* Without pid we cannot do much... */
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+                return 0;
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         if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID))
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                 tid = c->pid;
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-        /* Without pid we cannot do much... */
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-        if (pid <= 0)
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-                return 0;
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-
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-        if (pid > 0) {
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-                c->pid = pid;
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-                c->mask |= SD_BUS_CREDS_PID;
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-        }
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-
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         if (tid > 0) {
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                 c->tid = tid;
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                 c->mask |= SD_BUS_CREDS_TID;