Revert "libs: add libpackagelistparser"

This reverts commit dc06bb0752c1bc3e87b04a097b308bca1bc86181.

This should go into system/core.

Change-Id: Idf304ac5ccd4bcc86722f65688e3ee6284452287
diff --git a/libs/packagelistparser/Android.mk b/libs/packagelistparser/Android.mk
deleted file mode 100644
index 802a3cb..0000000
--- a/libs/packagelistparser/Android.mk
+++ /dev/null
@@ -1,32 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-#########################
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libpackagelistparser
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES := packagelistparser.c
-LOCAL_COPY_HEADERS_TO := packagelistparser
-LOCAL_COPY_HEADERS := packagelistparser.h
-LOCAL_SHARED_LIBRARIES := liblog
-
-LOCAL_CLANG := true
-LOCAL_SANITIZE := integer
-
-include $(BUILD_SHARED_LIBRARY)
-
-#########################
-include $(CLEAR_VARS)
-
-
-LOCAL_MODULE := libpackagelistparser
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES := packagelistparser.c
-LOCAL_COPY_HEADERS_TO := packagelistparser
-LOCAL_COPY_HEADERS := packagelistparser.h
-LOCAL_STATIC_LIBRARIES := liblog
-
-LOCAL_CLANG := true
-LOCAL_SANITIZE := integer
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/libs/packagelistparser/packagelistparser.c b/libs/packagelistparser/packagelistparser.c
deleted file mode 100644
index 3e2539c..0000000
--- a/libs/packagelistparser/packagelistparser.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * Copyright 2015, Intel Corporation
- * Copyright (C) 2015 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.
- *
- * Written by William Roberts <william.c.roberts@intel.com>
- *
- */
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/limits.h>
-
-#define LOG_TAG "packagelistparser"
-#include <utils/Log.h>
-
-#include "packagelistparser.h"
-
-#define CLOGE(fmt, ...) \
-    do {\
-        IF_ALOGE() {\
-            ALOGE(fmt, ##__VA_ARGS__);\
-        }\
-    } while(0)
-
-static size_t get_gid_cnt(const char *gids)
-{
-    size_t cnt;
-
-    if (*gids == '\0') {
-        return 0;
-    }
-
-    if (!strcmp(gids, "none")) {
-        return 0;
-    }
-
-    for (cnt = 1; gids[cnt]; gids[cnt] == ',' ? cnt++ : *gids++)
-        ;
-
-    return cnt;
-}
-
-static bool parse_gids(char *gids, gid_t *gid_list, size_t *cnt)
-{
-    gid_t gid;
-    char* token;
-    char *endptr;
-    size_t cmp = 0;
-
-    while ((token = strsep(&gids, ",\r\n"))) {
-
-        if (cmp > *cnt) {
-            return false;
-        }
-
-        gid = strtoul(token, &endptr, 10);
-        if (*endptr != '\0') {
-            return false;
-        }
-
-        /*
-         * if unsigned long is greater than size of gid_t,
-         * prevent a truncation based roll-over
-         */
-        if (gid > GID_MAX) {
-            CLOGE("A gid in field \"gid list\" greater than GID_MAX");
-            return false;
-        }
-
-        gid_list[cmp++] = gid;
-    }
-    return true;
-}
-
-extern bool packagelist_parse(pfn_on_package callback, void *userdata)
-{
-
-    FILE *fp;
-    char *cur;
-    char *next;
-    char *endptr;
-    unsigned long tmp;
-    ssize_t bytesread;
-
-    bool rc = false;
-    char *buf = NULL;
-    size_t buflen = 0;
-    unsigned long lineno = 1;
-    const char *errmsg = NULL;
-    struct pkg_info *pkg_info = NULL;
-
-    fp = fopen(PACKAGES_LIST_FILE, "re");
-    if (!fp) {
-        CLOGE("Could not open: \"%s\", error: \"%s\"\n", PACKAGES_LIST_FILE,
-                strerror(errno));
-        return false;
-    }
-
-    while ((bytesread = getline(&buf, &buflen, fp)) > 0) {
-
-        pkg_info = calloc(1, sizeof(*pkg_info));
-        if (!pkg_info) {
-            goto err;
-        }
-
-        next = buf;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for \"package name\"";
-            goto err;
-        }
-
-        pkg_info->name = strdup(cur);
-        if (!pkg_info->name) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"uid\"";
-            goto err;
-        }
-
-        tmp = strtoul(cur, &endptr, 10);
-        if (*endptr != '\0') {
-            errmsg = "Could not convert field \"uid\" to integer value";
-            goto err;
-        }
-
-        /*
-         * if unsigned long is greater than size of uid_t,
-         * prevent a truncation based roll-over
-         */
-        if (tmp > UID_MAX) {
-            errmsg = "Field \"uid\" greater than UID_MAX";
-            goto err;
-        }
-
-        pkg_info->uid = (uid_t) tmp;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"debuggable\"";
-            goto err;
-        }
-
-        tmp = strtoul(cur, &endptr, 10);
-        if (*endptr != '\0') {
-            errmsg = "Could not convert field \"debuggable\" to integer value";
-            goto err;
-        }
-
-        /* should be a valid boolean of 1 or 0 */
-        if (!(tmp == 0 || tmp == 1)) {
-            errmsg = "Field \"debuggable\" is not 0 or 1 boolean value";
-            goto err;
-        }
-
-        pkg_info->debuggable = (bool) tmp;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"data dir\"";
-            goto err;
-        }
-
-        pkg_info->data_dir = strdup(cur);
-        if (!pkg_info->data_dir) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"seinfo\"";
-            goto err;
-        }
-
-        pkg_info->seinfo = strdup(cur);
-        if (!pkg_info->seinfo) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"gid(s)\"";
-            goto err;
-        }
-
-        /*
-         * Parse the gid list, could be in the form of none, single gid or list:
-         * none
-         * gid
-         * gid, gid ...
-         */
-        pkg_info->gids.cnt = get_gid_cnt(cur);
-        if (pkg_info->gids.cnt > 0) {
-
-            pkg_info->gids.gids = calloc(pkg_info->gids.cnt, sizeof(gid_t));
-            if (!pkg_info->gids.gids) {
-                goto err;
-            }
-
-            rc = parse_gids(cur, pkg_info->gids.gids, &pkg_info->gids.cnt);
-            if (!rc) {
-                errmsg = "Could not parse field \"gid list\"";
-                goto err;
-            }
-        }
-
-        rc = callback(pkg_info, userdata);
-        if (rc == false) {
-            /*
-             * We do not log this as this can be intentional from
-             * callback to abort processing. We go to out to not
-             * free the pkg_info
-             */
-            rc = true;
-            goto out;
-        }
-        lineno++;
-    }
-
-    rc = true;
-
-out:
-    free(buf);
-    fclose(fp);
-    return rc;
-
-err:
-    if (errmsg) {
-        CLOGE("Error Parsing \"%s\" on line: %lu for reason: %s",
-                PACKAGES_LIST_FILE, lineno, errmsg);
-    }
-    rc = false;
-    packagelist_free(pkg_info);
-    goto out;
-}
-
-void packagelist_free(pkg_info *info)
-{
-    if (info) {
-        free(info->name);
-        free(info->data_dir);
-        free(info->seinfo);
-        free(info->gids.gids);
-        free(info);
-    }
-}
diff --git a/libs/packagelistparser/packagelistparser.h b/libs/packagelistparser/packagelistparser.h
deleted file mode 100644
index d602c26..0000000
--- a/libs/packagelistparser/packagelistparser.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright 2015, Intel Corporation
- * Copyright (C) 2015 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.
- *
- * Written by William Roberts <william.c.roberts@intel.com>
- *
- * This is a parser library for parsing the packages.list file generated
- * by PackageManager service.
- *
- * This simple parser is sensitive to format changes in
- * frameworks/base/services/core/java/com/android/server/pm/Settings.java
- * A dependency note has been added to that file to correct
- * this parser.
- */
-
-#ifndef PACKAGELISTPARSER_H_
-#define PACKAGELISTPARSER_H_
-
-#include <stdbool.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-__BEGIN_DECLS
-
-/** The file containing the list of installed packages on the system */
-#define PACKAGES_LIST_FILE  "/data/system/packages.list"
-
-typedef struct pkg_info pkg_info;
-typedef struct gid_list gid_list;
-
-struct gid_list {
-    size_t cnt;
-    gid_t *gids;
-};
-
-struct pkg_info {
-    char *name;
-    uid_t uid;
-    bool debuggable;
-    char *data_dir;
-    char *seinfo;
-    gid_list gids;
-    void *private_data;
-};
-
-/**
- * Callback function to be used by packagelist_parse() routine.
- * @param info
- *  The parsed package information
- * @param userdata
- *  The supplied userdata pointer to packagelist_parse()
- * @return
- *  true to keep processing, false to stop.
- */
-typedef bool (*pfn_on_package)(pkg_info *info, void *userdata);
-
-/**
- * Parses the file specified by PACKAGES_LIST_FILE and invokes the callback on
- * each entry found. Once the callback is invoked, ownership of the pkg_info pointer
- * is passed to the callback routine, thus they are required to perform any cleanup
- * desired.
- * @param callback
- *  The callback function called on each parsed line of the packages list.
- * @param userdata
- *  An optional userdata supplied pointer to pass to the callback function.
- * @return
- *  true on success false on failure.
- */
-extern bool packagelist_parse(pfn_on_package callback, void *userdata);
-
-/**
- * Frees a pkg_info structure.
- * @param info
- *  The struct to free
- */
-extern void packagelist_free(pkg_info *info);
-
-__END_DECLS
-
-#endif /* PACKAGELISTPARSER_H_ */