feat: 初始代码

AM初始代码，迁移自gitlabwh

Log:
Task: https://pms.uniontech.com/task-view-108539.html
Influence:
Change-Id: I6096f97e5d68d13796ff5dc51d9858c0f40264a0

src/modules/util/debug/debug.cpp

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2020-2021. Uniontech Software Ltd. All rights reserved.
+ *
+ * Author:     Iceyer <me@iceyer.net>
+ *
+ * Maintainer: Iceyer <me@iceyer.net>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <pwd.h>
+#include <unistd.h>
+#include <grp.h>
+#include <dirent.h>
+#include <sys/stat.h>
+
+#include "../logger.h"
+#include "debug.h"
+
+namespace linglong {
+
+#define DUMP_DBG(func, line) (linglong::util::Logger(linglong::util::Logger::Debug, func, line))
+
+void DumpIDMap()
+{
+    logDbg() << "DumpIDMap Start -----------";
+    std::ifstream uidMap("/proc/self/uid_map");
+    for (std::string line; getline(uidMap, line);) {
+        logDbg() << "uid_map of pid:" << getpid() << line;
+    }
+
+    std::ifstream gidMap("/proc/self/gid_map");
+    for (std::string line; getline(gidMap, line);) {
+        logDbg() << "gid_map of pid:" << getpid() << line;
+    }
+
+    auto setgroupsPath = util::format("/proc/self/setgroups");
+    std::ifstream setgroupsFileRead(setgroupsPath);
+    std::string line;
+    std::getline(setgroupsFileRead, line);
+    logDbg() << "setgroups of pid:" << getpid() << line;
+    logDbg() << "DumpIDMap end -----------";
+}
+
+void DumpUidGidGroup()
+{
+    logDbg() << "DumpUidGidGroup Start -----------";
+    //    __uid_t uid = getuid(); // you can change this to be the uid that you want
+    //
+    //    struct passwd *pw = getpwuid(uid);
+    //    if (pw == NULL) {
+    //        perror("getpwuid error: ");
+    //    }
+    //
+    //    int ngroups = 0;
+    //
+    //    // this call is just to get the correct ngroups
+    //    getgrouplist(pw->pw_name, pw->pw_gid, NULL, &ngroups);
+    //    __gid_t groups[ngroups];
+    //
+    //    // here we actually get the groups
+    //    getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
+    //
+    //    // example to print the groups name
+    //    for (int i = 0; i < ngroups; i++) {
+    //        struct group *gr = getgrgid(groups[i]);
+    //        if (gr == NULL) {
+    //            perror("getgrgid error: ");
+    //        }
+    //        printf("%s\n", gr->gr_name);
+    //    }
+
+    logDbg() << "getuid" << getuid() << "geteuid" << geteuid();
+    logDbg() << "getgid" << getgid() << "getegid" << getegid();
+    const int groupSize = getgroups(0, NULL);
+    __gid_t list[groupSize + 1];
+    getgroups(groupSize, list);
+
+    std::string groupListStr;
+    for (int i = 0; i < groupSize; ++i) {
+        groupListStr += util::format("%d ", list[i]);
+    }
+    logDbg() << "getgroups size " << groupSize << ", list:" << groupListStr;
+    logDbg() << "DumpUidGidGroup end -----------";
+}
+
+void DumpFilesystem(const std::string &path, const char *func, int line)
+{
+    if (nullptr == func) {
+        func = const_cast<char *>(__FUNCTION__);
+    }
+    DUMP_DBG(func, line) << "DumpFilesystem begin -----------" << path;
+    DIR *dir;
+    if ((dir = opendir(path.c_str())) != NULL) {
+        struct dirent *ent;
+        /* print all the files and directories within directory */
+        while ((ent = readdir(dir)) != NULL) {
+            DUMP_DBG(func, line) << path + "/" + ent->d_name;
+        }
+        closedir(dir);
+    } else {
+        /* could not open directory */
+        logErr() << linglong::util::errnoString() << errno;
+        return;
+    }
+    DUMP_DBG(func, line) << "DumpFilesystem end -----------" << path;
+}
+
+void DumpFileInfo(const std::string &path)
+{
+    DumpFileInfo1(path, __FUNCTION__, __LINE__);
+}
+
+void DumpFileInfo1(const std::string &path, const char *func, int line)
+{
+    struct stat st {
+    };
+    auto ret = lstat(path.c_str(), &st);
+    if (0 != ret) {
+        DUMP_DBG(func, line) << path << util::RetErrString(ret);
+    } else {
+        DUMP_DBG(func, line) << path << st.st_uid << st.st_gid << ((st.st_mode & S_IFMT) == S_IFDIR);
+    }
+}
+
+} // namespace linglong

src/modules/util/debug/debug.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2020-2021. Uniontech Software Ltd. All rights reserved.
+ *
+ * Author:     Iceyer <me@iceyer.net>
+ *
+ * Maintainer: Iceyer <me@iceyer.net>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#ifndef LINGLONG_BOX_SRC_UTIL_DEBUG_DEBUG_H_
+#define LINGLONG_BOX_SRC_UTIL_DEBUG_DEBUG_H_
+
+#include <string>
+
+namespace linglong {
+
+#define DUMP_FILESYSTEM(path) DumpFilesystem(path, __FUNCTION__, __LINE__)
+
+#define DUMP_FILE_INFO(path) DumpFileInfo1(path, __FUNCTION__, __LINE__)
+
+void DumpIDMap();
+
+void DumpUidGidGroup();
+
+void DumpFilesystem(const std::string &path, const char *func = nullptr, int line = -1);
+
+void DumpFileInfo(const std::string &path);
+
+void DumpFileInfo1(const std::string &path, const char *func = nullptr, int line = -1);
+
+} // namespace linglong
+
+#endif /* LINGLONG_BOX_SRC_UTIL_DEBUG_DEBUG_H_ */