Move all writable data used by security-manager and appfw to /var

The purpose of these changes is to make OSTree and AppFw update domains
compatible with each other. Some intergation code is also needed to deploy
initial data to writable area (see SPEC-359 in Jira).

Bug-AGL: SPEC-359

Change-Id: Iccba1e9916c569167df2922ad5e2d90cc33f06fe
Signed-off-by: Anton Gerasimov <anton@advancedtelematic.com>
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>

4 files changed, 230 insertions, 1 deletions

diff --git a/meta-app-framework/recipes-core/security-manager/security-manager/Removing-tizen-platform-config.patch b/meta-app-framework/recipes-core/security-manager/security-manager/Removing-tizen-platform-config.patch
new file mode 100644
index 000000000..4830db2a8
--- /dev/null
+++ b/meta-app-framework/recipes-core/security-manager/security-manager/Removing-tizen-platform-config.patch
@@ -0,0 +1,196 @@
+From 72e66d0e42f3bb6efd689ce33b1df407d94b3c60 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jos=C3=A9=20Bollo?= <jose.bollo@iot.bzh>
+Date: Mon, 16 Nov 2015 14:26:25 +0100
+Subject: [PATCH] Removing tizen-platform-config
+
+Change-Id: Ic832a2b75229517b09faba969c27fb1a4b490121
+---
+ policy/security-manager-policy-reload |  2 +-
+ src/common/file-lock.cpp              |  4 +---
+ src/common/include/file-lock.h        |  1 -
+ src/common/include/privilege_db.h     |  3 +--
+ src/common/service_impl.cpp           | 39 +++++++++++------------------------
+ src/common/smack-rules.cpp            | 12 ++++-------
+ 6 files changed, 19 insertions(+), 42 deletions(-)
+
+diff --git a/policy/security-manager-policy-reload b/policy/security-manager-policy-reload
+index 6f211c6..ed8047a 100755
+--- a/policy/security-manager-policy-reload
++++ b/policy/security-manager-policy-reload
+@@ -2,7 +2,7 @@
+ 
+ POLICY_PATH=/usr/share/security-manager/policy
+ PRIVILEGE_GROUP_MAPPING=$POLICY_PATH/privilege-group.list
+-DB_FILE=`tzplatform-get TZ_SYS_DB | cut -d= -f2`/.security-manager.db
++DB_FILE=/var/db/security-manager/.security-manager.db
+ 
+ # Create default buckets
+ while read bucket default_policy
+diff --git a/src/common/file-lock.cpp b/src/common/file-lock.cpp
+index 6f3996c..1dada17 100644
+--- a/src/common/file-lock.cpp
++++ b/src/common/file-lock.cpp
+@@ -30,9 +30,7 @@
+ 
+ namespace SecurityManager {
+ 
+-char const * const SERVICE_LOCK_FILE = tzplatform_mkpath3(TZ_SYS_RUN,
+-                                                         "lock",
+-                                                         "security-manager.lock");
++char const * const SERVICE_LOCK_FILE = "/var/run/lock/security-manager.lock";
+ 
+ FileLocker::FileLocker(const std::string &lockFile, bool blocking)
+ {
+diff --git a/src/common/include/file-lock.h b/src/common/include/file-lock.h
+index 604b019..21a86a0 100644
+--- a/src/common/include/file-lock.h
++++ b/src/common/include/file-lock.h
+@@ -29,7 +29,6 @@
+ 
+ #include <dpl/exception.h>
+ #include <dpl/noncopyable.h>
+-#include <tzplatform_config.h>
+ 
+ namespace SecurityManager {
+ 
+diff --git a/src/common/include/privilege_db.h b/src/common/include/privilege_db.h
+index 4d73d90..03c6680 100644
+--- a/src/common/include/privilege_db.h
++++ b/src/common/include/privilege_db.h
+@@ -34,14 +34,13 @@
+ #include <string>
+ 
+ #include <dpl/db/sql_connection.h>
+-#include <tzplatform_config.h>
+ 
+ #ifndef PRIVILEGE_DB_H_
+ #define PRIVILEGE_DB_H_
+ 
+ namespace SecurityManager {
+ 
+-const char *const PRIVILEGE_DB_PATH = tzplatform_mkpath(TZ_SYS_DB, ".security-manager.db");
++const char *const PRIVILEGE_DB_PATH = "/var/db/security-manager/.security-manager.db";
+ 
+ enum class QueryType {
+     EGetPkgPrivileges,
+diff --git a/src/common/service_impl.cpp b/src/common/service_impl.cpp
+index ae305d3..65cc8b5 100644
+--- a/src/common/service_impl.cpp
++++ b/src/common/service_impl.cpp
+@@ -32,7 +32,6 @@
+ #include <algorithm>
+ 
+ #include <dpl/log/log.h>
+-#include <tzplatform_config.h>
+ 
+ #include "protocols.h"
+ #include "privilege_db.h"
+@@ -131,7 +130,13 @@ static inline int validatePolicy(policy_entry &policyEntry, std::string uidStr,
+ 
+ static uid_t getGlobalUserId(void)
+ {
+-    static uid_t globaluid = tzplatform_getuid(TZ_SYS_GLOBALAPP_USER);
++    static uid_t globaluid = 0;
++    if (!globaluid) {
++        struct passwd pw, *p;
++        char buf[4096];
++        int rc = getpwnam_r("userapp", &pw, buf, sizeof buf, &p);
++        globaluid = (rc || p == NULL) ? 555 : p->pw_uid;
++    }
+     return globaluid;
+ }
+ 
+@@ -161,37 +166,17 @@ static inline bool isSubDir(const char *parent, const char *subdir)
+ 
+ static bool getUserAppDir(const uid_t &uid, std::string &userAppDir)
+ {
+-    struct tzplatform_context *tz_ctx = nullptr;
+-
+-    if (tzplatform_context_create(&tz_ctx))
+-            return false;
+-
+-    if (tzplatform_context_set_user(tz_ctx, uid)) {
+-        tzplatform_context_destroy(tz_ctx);
+-        tz_ctx = nullptr;
++    struct passwd pw, *p;
++    char buf[4096];
++    int rc = getpwuid_r(uid, &pw, buf, sizeof buf, &p);
++    if (rc || p == NULL)
+         return false;
+-    }
+-
+-    enum tzplatform_variable id =
+-            (uid == getGlobalUserId()) ? TZ_SYS_RW_APP : TZ_USER_APP;
+-    const char *appDir = tzplatform_context_getenv(tz_ctx, id);
+-    if (!appDir) {
+-        tzplatform_context_destroy(tz_ctx);
+-        tz_ctx = nullptr;
+-        return false;
+-    }
+-
+-    userAppDir = appDir;
+-
+-    tzplatform_context_destroy(tz_ctx);
+-    tz_ctx = nullptr;
+-
++    userAppDir = p->pw_dir;
+     return true;
+ }
+ 
+ static inline bool installRequestAuthCheck(const app_inst_req &req, uid_t uid, bool &isCorrectPath, std::string &appPath)
+ {
+-    std::string userHome;
+     std::string userAppDir;
+     std::stringstream correctPath;
+ 
+diff --git a/src/common/smack-rules.cpp b/src/common/smack-rules.cpp
+index d834e42..8b5728b 100644
+--- a/src/common/smack-rules.cpp
++++ b/src/common/smack-rules.cpp
+@@ -34,7 +34,6 @@
+ #include <memory>
+ 
+ #include <dpl/log/log.h>
+-#include <tzplatform_config.h>
+ 
+ #include "smack-labels.h"
+ #include "smack-rules.h"
+@@ -43,7 +42,7 @@ namespace SecurityManager {
+ 
+ const char *const SMACK_APP_LABEL_TEMPLATE     = "~APP~";
+ const char *const SMACK_PKG_LABEL_TEMPLATE     = "~PKG~";
+-const char *const APP_RULES_TEMPLATE_FILE_PATH = tzplatform_mkpath4(TZ_SYS_SHARE, "security-manager", "policy", "app-rules-template.smack");
++const char *const APP_RULES_TEMPLATE_FILE_PATH = "/usr/share/security-manager/policy/app-rules-template.smack";
+ const char *const SMACK_APP_IN_PACKAGE_PERMS   = "rwxat";
+ 
+ SmackRules::SmackRules()
+@@ -237,14 +236,12 @@ void SmackRules::generatePackageCrossDeps(const std::vector<std::string> &pkgCon
+ 
+ std::string SmackRules::getPackageRulesFilePath(const std::string &pkgId)
+ {
+-    std::string path(tzplatform_mkpath3(TZ_SYS_SMACK, "accesses.d", ("pkg_" + pkgId).c_str()));
+-    return path;
++    return "/etc/smack/accesses.d/pkg_" + pkgId;
+ }
+ 
+ std::string SmackRules::getApplicationRulesFilePath(const std::string &appId)
+ {
+-    std::string path(tzplatform_mkpath3(TZ_SYS_SMACK, "accesses.d", ("app_" +  appId).c_str()));
+-    return path;
++    return "/etc/smack/accesses.d/app_" + appId;
+ }
+ void SmackRules::installApplicationPrivilegesRules(const std::string &appId, const std::string &pkgId,
+         const std::vector<std::string> &pkgContents, const std::vector<std::string> &privileges)
+@@ -256,8 +253,7 @@ void SmackRules::installApplicationPrivilegesRules(const std::string &appId, con
+     for (auto privilege : privileges) {
+         if (privilege.empty())
+             continue;
+-        std::string fprivilege ( privilege + "-template.smack");
+-        std::string path(tzplatform_mkpath4(TZ_SYS_SHARE, "security-manager", "policy", fprivilege.c_str()));
++        std::string path = "/usr/share/security-manager/policy/" + privilege + "-template.smack";
+         if( stat(path.c_str(), &buffer) == 0) 
+             smackRules.addFromTemplateFile(appId, pkgId, path);
+     }
+-- 
+2.1.4
+
diff --git a/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.service b/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.service
new file mode 100644
index 000000000..8ed5e8601
--- /dev/null
+++ b/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.service
@@ -0,0 +1,15 @@
+#
+# Install security-manager DB to /var
+
+[Unit]
+Description=Install Security Manager database
+After=sysinit.target
+Before=security-manager.service
+
+[Install]
+WantedBy=default.target
+
+[Service]
+Type=oneshot
+User=root
+ExecStart=/usr/bin/init-security-manager-db.sh
diff --git a/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.sh b/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.sh
new file mode 100644
index 000000000..ef41286c8
--- /dev/null
+++ b/meta-app-framework/recipes-core/security-manager/security-manager/init-security-manager-db.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+if [ ! -e "/var/db/security-manager" ]; then
+	mkdir -p /var/db
+	cp -ra /usr/dbspace/ /var/db/security-manager
+fi
diff --git a/meta-app-framework/recipes-core/security-manager/security-manager_%.bbappend b/meta-app-framework/recipes-core/security-manager/security-manager_%.bbappend
index d3a110de5..b4b5e01c4 100644
--- a/meta-app-framework/recipes-core/security-manager/security-manager_%.bbappend
+++ b/meta-app-framework/recipes-core/security-manager/security-manager_%.bbappend
@@ -1,4 +1,16 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/security-manager:"
 
-SRC_URI += " file://0001-Adapt-rules-to-AGL.patch "
+SRC_URI += " file://0001-Adapt-rules-to-AGL.patch \
+	     file://init-security-manager-db.service \
+	     file://init-security-manager-db.sh"
 
+SYSTEMD_SERVICE_${PN} = "init-security-manager-db.service"
+
+FILES_${PN}_append = "${bindir}/init-security-manager-db.sh"
+
+do_install_append () {
+	install -p -D ${WORKDIR}/init-security-manager-db.sh ${D}${bindir}/init-security-manager-db.sh
+	if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
+		install -p -D ${WORKDIR}/init-security-manager-db.service ${D}${systemd_unitdir}/system/init-security-manager-db.service
+	fi
+}