diff options
Diffstat (limited to 'cmds/installd/installd.c')
| -rw-r--r-- | cmds/installd/installd.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c new file mode 100644 index 0000000..7c7441f --- /dev/null +++ b/cmds/installd/installd.c @@ -0,0 +1,259 @@ +/* +** 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])); /* 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]); /* pkgname */ +} + +static int do_free_cache(char **arg, char reply[REPLY_MAX]) /* TODO int:free_size */ +{ + return free_cache(atoi(arg[0])); /* free_size */ +} + +static int do_rm_cache(char **arg, char reply[REPLY_MAX]) +{ + return delete_cache(arg[0]); /* 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]) +{ + int codesize = 0; + int datasize = 0; + int cachesize = 0; + int res = 0; + + /* pkgdir, apkpath */ + res = get_size(arg[0], arg[1], arg[2], &codesize, &datasize, &cachesize); + + sprintf(reply,"%d %d %d", codesize, datasize, cachesize); + return res; +} + +static int do_rm_user_data(char **arg, char reply[REPLY_MAX]) +{ + return delete_user_data(arg[0]); /* pkgname */ +} + +struct cmdinfo { + const char *name; + unsigned numargs; + int (*func)(char **arg, char reply[REPLY_MAX]); +}; + +struct cmdinfo cmds[] = { + { "ping", 0, do_ping }, + { "install", 3, do_install }, + { "dexopt", 3, do_dexopt }, + { "movedex", 2, do_move_dex }, + { "rmdex", 1, do_rm_dex }, + { "remove", 1, do_remove }, + { "freecache", 1, do_free_cache }, + { "rmcache", 1, do_rm_cache }, + { "protect", 2, do_protect }, + { "getsize", 3, do_get_size }, + { "rmuserdata", 1, do_rm_user_data }, +}; + +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; +} |