M7350v1_en_gpl

base/cmds/installd/Android.mk

@@ -0,0 +1,21 @@
+ifneq ($(TARGET_SIMULATOR),true)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    installd.c commands.c utils.c
+
+LOCAL_C_INCLUDES := \
+    $(call include-path-for, system-core)/cutils
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils
+
+LOCAL_STATIC_LIBRARIES :=
+
+LOCAL_MODULE:= installd
+
+include $(BUILD_EXECUTABLE)
+
+endif # !simulator))

base/cmds/installd/installd.c

@@ -0,0 +1,287 @@
+/*
+** Copyright 2008, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "installd.h"
+
+
+#define BUFFER_MAX    1024  /* input buffer for commands */
+#define TOKEN_MAX     8     /* max number of arguments in buffer */
+#define REPLY_MAX     256   /* largest reply allowed */
+
+
+static int do_ping(char **arg, char reply[REPLY_MAX])
+{
+    return 0;
+}
+
+static int do_install(char **arg, char reply[REPLY_MAX])
+{
+    return install(arg[0], atoi(arg[1]), atoi(arg[2]), atoi(arg[3])); /* pkgname, uid, gid */
+}
+
+static int do_dexopt(char **arg, char reply[REPLY_MAX])
+{
+        /* apk_path, uid, is_public */
+    return dexopt(arg[0], atoi(arg[1]), atoi(arg[2]));
+}
+
+static int do_move_dex(char **arg, char reply[REPLY_MAX])
+{
+    return move_dex(arg[0], arg[1]); /* src, dst */
+}
+
+static int do_rm_dex(char **arg, char reply[REPLY_MAX])
+{
+    return rm_dex(arg[0]); /* pkgname */
+}
+
+static int do_remove(char **arg, char reply[REPLY_MAX])
+{
+    return uninstall(arg[0], atoi(arg[1])); /* pkgname */
+}
+
+static int do_rename(char **arg, char reply[REPLY_MAX])
+{
+    return renamepkg(arg[0], arg[1], atoi(arg[2])); /* oldpkgname, newpkgname */
+}
+
+static int do_free_cache(char **arg, char reply[REPLY_MAX]) /* TODO int:free_size */
+{
+    return free_cache((int64_t)atoll(arg[0])); /* free_size */
+}
+
+static int do_rm_cache(char **arg, char reply[REPLY_MAX])
+{
+    return delete_cache(arg[0], atoi(arg[1])); /* pkgname */
+}
+
+static int do_protect(char **arg, char reply[REPLY_MAX])
+{
+    return protect(arg[0], atoi(arg[1])); /* pkgname, gid */
+}
+
+static int do_get_size(char **arg, char reply[REPLY_MAX])
+{
+    int64_t codesize = 0;
+    int64_t datasize = 0;
+    int64_t cachesize = 0;
+    int res = 0;
+
+        /* pkgdir, apkpath */
+    res = get_size(arg[0], arg[1], arg[2], &codesize, &datasize, &cachesize, atoi(arg[3]));
+
+    /*
+     * Each int64_t can take up 22 characters printed out. Make sure it
+     * doesn't go over REPLY_MAX in the future.
+     */
+    snprintf(reply, REPLY_MAX, "%" PRId64 " %" PRId64 " %" PRId64, codesize, datasize, cachesize);
+    return res;
+}
+
+static int do_rm_user_data(char **arg, char reply[REPLY_MAX])
+{
+    return delete_user_data(arg[0], atoi(arg[1])); /* pkgname */
+}
+
+static int do_movefiles(char **arg, char reply[REPLY_MAX])
+{
+    return movefiles();
+}
+
+static int do_linklib(char **arg, char reply[REPLY_MAX])
+{
+    return linklib(arg[0], arg[1]);
+}
+
+static int do_unlinklib(char **arg, char reply[REPLY_MAX])
+{
+    return unlinklib(arg[0]);
+}
+
+struct cmdinfo {
+    const char *name;
+    unsigned numargs;
+    int (*func)(char **arg, char reply[REPLY_MAX]);
+};
+
+struct cmdinfo cmds[] = {
+    { "ping",                 0, do_ping },
+    { "install",              4, do_install },
+    { "dexopt",               3, do_dexopt },
+    { "movedex",              2, do_move_dex },
+    { "rmdex",                1, do_rm_dex },
+    { "remove",               2, do_remove },
+    { "rename",               3, do_rename },
+    { "freecache",            1, do_free_cache },
+    { "rmcache",              2, do_rm_cache },
+    { "protect",              2, do_protect },
+    { "getsize",              4, do_get_size },
+    { "rmuserdata",           2, do_rm_user_data },
+    { "movefiles",            0, do_movefiles },
+    { "linklib",              2, do_linklib },
+    { "unlinklib",            1, do_unlinklib },
+};
+
+static int readx(int s, void *_buf, int count)
+{
+    char *buf = _buf;
+    int n = 0, r;
+    if (count < 0) return -1;
+    while (n < count) {
+        r = read(s, buf + n, count - n);
+        if (r < 0) {
+            if (errno == EINTR) continue;
+            LOGE("read error: %s\n", strerror(errno));
+            return -1;
+        }
+        if (r == 0) {
+            LOGE("eof\n");
+            return -1; /* EOF */
+        }
+        n += r;
+    }
+    return 0;
+}
+
+static int writex(int s, const void *_buf, int count)
+{
+    const char *buf = _buf;
+    int n = 0, r;
+    if (count < 0) return -1;
+    while (n < count) {
+        r = write(s, buf + n, count - n);
+        if (r < 0) {
+            if (errno == EINTR) continue;
+            LOGE("write error: %s\n", strerror(errno));
+            return -1;
+        }
+        n += r;
+    }
+    return 0;
+}
+
+
+/* Tokenize the command buffer, locate a matching command,
+ * ensure that the required number of arguments are provided,
+ * call the function(), return the result.
+ */
+static int execute(int s, char cmd[BUFFER_MAX])
+{
+    char reply[REPLY_MAX];
+    char *arg[TOKEN_MAX+1];
+    unsigned i;
+    unsigned n = 0;
+    unsigned short count;
+    int ret = -1;
+
+//    LOGI("execute('%s')\n", cmd);
+
+        /* default reply is "" */
+    reply[0] = 0;
+
+        /* n is number of args (not counting arg[0]) */
+    arg[0] = cmd;
+    while (*cmd) {
+        if (isspace(*cmd)) {
+            *cmd++ = 0;
+            n++;
+            arg[n] = cmd;
+            if (n == TOKEN_MAX) {
+                LOGE("too many arguments\n");
+                goto done;
+            }
+        }
+        cmd++;
+    }
+
+    for (i = 0; i < sizeof(cmds) / sizeof(cmds[0]); i++) {
+        if (!strcmp(cmds[i].name,arg[0])) {
+            if (n != cmds[i].numargs) {
+                LOGE("%s requires %d arguments (%d given)\n",
+                     cmds[i].name, cmds[i].numargs, n);
+            } else {
+                ret = cmds[i].func(arg + 1, reply);
+            }
+            goto done;
+        }
+    }
+    LOGE("unsupported command '%s'\n", arg[0]);
+
+done:
+    if (reply[0]) {
+        n = snprintf(cmd, BUFFER_MAX, "%d %s", ret, reply);
+    } else {
+        n = snprintf(cmd, BUFFER_MAX, "%d", ret);
+    }
+    if (n > BUFFER_MAX) n = BUFFER_MAX;
+    count = n;
+
+//    LOGI("reply: '%s'\n", cmd);
+    if (writex(s, &count, sizeof(count))) return -1;
+    if (writex(s, cmd, count)) return -1;
+    return 0;
+}
+
+int main(const int argc, const char *argv[]) {    
+    char buf[BUFFER_MAX];
+    struct sockaddr addr;
+    socklen_t alen;
+    int lsocket, s, count;
+
+    lsocket = android_get_control_socket(SOCKET_PATH);
+    if (lsocket < 0) {
+        LOGE("Failed to get socket from environment: %s\n", strerror(errno));
+        exit(1);
+    }
+    if (listen(lsocket, 5)) {
+        LOGE("Listen on socket failed: %s\n", strerror(errno));
+        exit(1);
+    }
+    fcntl(lsocket, F_SETFD, FD_CLOEXEC);
+
+    for (;;) {
+        alen = sizeof(addr);
+        s = accept(lsocket, &addr, &alen);
+        if (s < 0) {
+            LOGE("Accept failed: %s\n", strerror(errno));
+            continue;
+        }
+        fcntl(s, F_SETFD, FD_CLOEXEC);
+
+        LOGI("new connection\n");
+        for (;;) {
+            unsigned short count;
+            if (readx(s, &count, sizeof(count))) {
+                LOGE("failed to read size\n");
+                break;
+            }
+            if ((count < 1) || (count >= BUFFER_MAX)) {
+                LOGE("invalid size %d\n", count);
+                break;
+            }
+            if (readx(s, buf, count)) {
+                LOGE("failed to read command\n");
+                break;
+            }
+            buf[count] = 0;
+            if (execute(s, buf)) break;
+        }
+        LOGI("closing connection\n");
+        close(s);
+    }
+
+    return 0;
+}

base/cmds/installd/installd.h

@@ -0,0 +1,115 @@
+/*
+**
+** Copyright 2008, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#define LOG_TAG "installd"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <utime.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <cutils/sockets.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
+
+#include <private/android_filesystem_config.h>
+
+#if INCLUDE_SYS_MOUNT_FOR_STATFS
+#include <sys/mount.h>
+#else
+#include <sys/statfs.h>
+#endif
+
+#define SOCKET_PATH "installd"
+
+
+/* elements combined with a valid package name to form paths */
+
+#define PKG_DIR_PREFIX         "/data/data/"
+#define PKG_SEC_DIR_PREFIX     "/data/secure/data/"
+#define PKG_DIR_POSTFIX        ""
+
+#define PKG_LIB_PREFIX         "/data/data/"
+#define PKG_SEC_LIB_PREFIX     "/data/secure/data/"
+#define PKG_LIB_POSTFIX        "/lib"
+
+#define CACHE_DIR_PREFIX       "/data/data/"
+#define CACHE_SEC_DIR_PREFIX   "/data/secure/data/"
+#define CACHE_DIR_POSTFIX      "/cache"
+
+#define APK_DIR_PREFIX         "/data/app/"
+
+/* Encrypted File SYstems constants */
+#define USE_ENCRYPTED_FS       1
+#define USE_UNENCRYPTED_FS     0
+
+/* other handy constants */
+
+#define PROTECTED_DIR_PREFIX  "/data/app-private/"
+#define SDCARD_DIR_PREFIX  getenv("ASEC_MOUNTPOINT")
+
+#define DALVIK_CACHE_PREFIX   "/data/dalvik-cache/"
+#define DALVIK_CACHE_POSTFIX  "/classes.dex"
+
+#define UPDATE_COMMANDS_DIR_PREFIX  "/system/etc/updatecmds/"
+
+#define PKG_NAME_MAX  128   /* largest allowed package name */
+#define PKG_PATH_MAX  256   /* max size of any path we use */
+
+
+/* util.c */
+
+int create_pkg_path(char path[PKG_PATH_MAX],
+                    const char *prefix,
+                    const char *pkgname,
+                    const char *postfix);
+
+int create_cache_path(char path[PKG_PATH_MAX], const char *src);
+
+int delete_dir_contents(const char *pathname,
+                        int also_delete_dir,
+                        const char *ignore);
+
+int delete_dir_contents_fd(int dfd, const char *name);
+
+/* commands.c */
+
+int install(const char *pkgname, int encrypted_fs_flag, uid_t uid, gid_t gid);
+int uninstall(const char *pkgname, int encrypted_fs_flag);
+int renamepkg(const char *oldpkgname, const char *newpkgname, int encrypted_fs_flag);
+int delete_user_data(const char *pkgname, int encrypted_fs_flag);
+int delete_cache(const char *pkgname, int encrypted_fs_flag);
+int move_dex(const char *src, const char *dst);
+int rm_dex(const char *path);
+int protect(char *pkgname, gid_t gid);
+int get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath,
+             int64_t *codesize, int64_t *datasize, int64_t *cachesize, int encrypted_fs_flag);
+int free_cache(int64_t free_size);
+int dexopt(const char *apk_path, uid_t uid, int is_public);
+int movefiles();
+int linklib(const char* target, const char* source);
+int unlinklib(const char* libPath);

base/cmds/installd/utils.c

@@ -0,0 +1,173 @@
+/*
+** Copyright 2008, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "installd.h"
+
+int create_pkg_path(char path[PKG_PATH_MAX],
+                    const char *prefix,
+                    const char *pkgname,
+                    const char *postfix)
+{
+    int len;
+    const char *x;
+
+    len = strlen(pkgname);
+    if (len > PKG_NAME_MAX) {
+        return -1;
+    }
+    if ((len + strlen(prefix) + strlen(postfix)) >= PKG_PATH_MAX) {
+        return -1;
+    }
+
+    x = pkgname;
+    int alpha = -1;
+    while (*x) {
+        if (isalnum(*x) || (*x == '_')) {
+                /* alphanumeric or underscore are fine */
+        } else if (*x == '.') {
+            if ((x == pkgname) || (x[1] == '.') || (x[1] == 0)) {
+                    /* periods must not be first, last, or doubled */
+                LOGE("invalid package name '%s'\n", pkgname);
+                return -1;
+            }
+        } else if (*x == '-') {
+            /* Suffix -X is fine to let versioning of packages.
+               But whatever follows should be alphanumeric.*/
+            alpha = 1;
+        }else {
+                /* anything not A-Z, a-z, 0-9, _, or . is invalid */
+            LOGE("invalid package name '%s'\n", pkgname);
+            return -1;
+        }
+        x++;
+    }
+    if (alpha == 1) {
+        // Skip current character
+        x++;
+        while (*x) {
+            if (!isalnum(*x)) {
+                LOGE("invalid package name '%s' should include only numbers after -\n", pkgname);
+                return -1;
+            }
+            x++;
+        }
+    }
+
+    sprintf(path, "%s%s%s", prefix, pkgname, postfix);
+    return 0;
+}
+
+static int _delete_dir_contents(DIR *d, const char *ignore)
+{
+    int result = 0;
+    struct dirent *de;
+    int dfd;
+
+    dfd = dirfd(d);
+
+    if (dfd < 0) return -1;
+
+    while ((de = readdir(d))) {
+        const char *name = de->d_name;
+
+            /* skip the ignore name if provided */
+        if (ignore && !strcmp(name, ignore)) continue;
+
+        if (de->d_type == DT_DIR) {
+            int r, subfd;
+            DIR *subdir;
+
+                /* always skip "." and ".." */
+            if (name[0] == '.') {
+                if (name[1] == 0) continue;
+                if ((name[1] == '.') && (name[2] == 0)) continue;
+            }
+
+            subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+            if (subfd < 0) {
+                LOGE("Couldn't openat %s: %s\n", name, strerror(errno));
+                result = -1;
+                continue;
+            }
+            subdir = fdopendir(subfd);
+            if (subdir == NULL) {
+                LOGE("Couldn't fdopendir %s: %s\n", name, strerror(errno));
+                close(subfd);
+                result = -1;
+                continue;
+            }
+            if (_delete_dir_contents(subdir, 0)) {
+                result = -1;
+            }
+            closedir(subdir);
+            if (unlinkat(dfd, name, AT_REMOVEDIR) < 0) {
+                LOGE("Couldn't unlinkat %s: %s\n", name, strerror(errno));
+                result = -1;
+            }
+        } else {
+            if (unlinkat(dfd, name, 0) < 0) {
+                LOGE("Couldn't unlinkat %s: %s\n", name, strerror(errno));
+                result = -1;
+            }
+        }
+    }
+
+    return result;
+}
+
+int delete_dir_contents(const char *pathname,
+                        int also_delete_dir,
+                        const char *ignore)
+{
+    int res = 0;
+    DIR *d;
+
+    d = opendir(pathname);
+    if (d == NULL) {
+        LOGE("Couldn't opendir %s: %s\n", pathname, strerror(errno));
+        return -errno;
+    }
+    res = _delete_dir_contents(d, ignore);
+    closedir(d);
+    if (also_delete_dir) {
+        if (rmdir(pathname)) {
+            LOGE("Couldn't rmdir %s: %s\n", pathname, strerror(errno));
+            res = -1;
+        }
+    }
+    return res;
+}
+
+int delete_dir_contents_fd(int dfd, const char *name)
+{
+    int fd, res;
+    DIR *d;
+
+    fd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+    if (fd < 0) {
+        LOGE("Couldn't openat %s: %s\n", name, strerror(errno));
+        return -1;
+    }
+    d = fdopendir(fd);
+    if (d == NULL) {
+        LOGE("Couldn't fdopendir %s: %s\n", name, strerror(errno));
+        close(fd);
+        return -1;
+    }
+    res = _delete_dir_contents(d, 0);
+    closedir(d);
+    return res;
+}