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-rw-r--r--afb-utilities/filescan-utils.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/afb-utilities/filescan-utils.c b/afb-utilities/filescan-utils.c
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+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * 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 _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <sys/prctl.h>
+#include <dirent.h>
+
+#include "filescan-utils.h"
+
+// List Avaliable Configuration Files
+PUBLIC json_object* ScanForConfig (const char* searchPath, CtlScanDirModeT mode, const char *pre, const char *ext) {
+ json_object *responseJ;
+ char *dirPath;
+ char* dirList= strdup(searchPath);
+ size_t extLen=0;
+
+ void ScanDir (char *searchPath) {
+ DIR *dirHandle;
+ struct dirent *dirEnt;
+ dirHandle = opendir (searchPath);
+ if (!dirHandle) {
+ AFB_DEBUG ("CONFIG-SCANNING dir=%s not readable", searchPath);
+ return;
+ }
+
+ //AFB_NOTICE ("CONFIG-SCANNING:ctl_listconfig scanning: %s", searchPath);
+ while ((dirEnt = readdir(dirHandle)) != NULL) {
+
+ // recursively search embedded directories ignoring any directory starting by '.' or '_'
+ if (dirEnt->d_type == DT_DIR && mode == CTL_SCAN_RECURSIVE) {
+ char newpath[CONTROL_MAXPATH_LEN];
+ if (dirEnt->d_name[0]=='.' || dirEnt->d_name[0]=='_') continue;
+
+ strncpy(newpath, searchPath, sizeof(newpath));
+ strncat(newpath, "/", sizeof(newpath));
+ strncat(newpath, dirEnt->d_name, sizeof(newpath));
+ ScanDir(newpath);
+ continue;
+ }
+
+ // Unknown type is accepted to support dump filesystems
+ if (dirEnt->d_type == DT_REG || dirEnt->d_type == DT_UNKNOWN) {
+
+ // check prefix and extention
+ size_t extIdx=strlen(dirEnt->d_name)-extLen;
+ if (extIdx <= 0) continue;
+ if (pre && !strcasestr (dirEnt->d_name, pre)) continue;
+ if (ext && strcasecmp (ext, &dirEnt->d_name[extIdx])) continue;
+
+ struct json_object *pathJ = json_object_new_object();
+ json_object_object_add(pathJ, "fullpath", json_object_new_string(searchPath));
+ json_object_object_add(pathJ, "filename", json_object_new_string(dirEnt->d_name));
+ json_object_array_add(responseJ, pathJ);
+ }
+ }
+ closedir(dirHandle);
+ }
+
+ if (ext) extLen=strlen(ext);
+ responseJ = json_object_new_array();
+
+ // loop recursively on dir
+ for (dirPath= strtok(dirList, ":"); dirPath && *dirPath; dirPath=strtok(NULL,":")) {
+ ScanDir (dirPath);
+ }
+
+ free (dirList);
+ return (responseJ);
+}
+
+PUBLIC const char *GetMidleName(const char*name) {
+ char *fullname = strdup(name);
+
+ for (int idx = 0; fullname[idx] != '\0'; idx++) {
+ int start;
+ if (fullname[idx] == '-') {
+ start = idx + 1;
+ for (int jdx = start; ; jdx++) {
+ if (fullname[jdx] == '-' || fullname[jdx] == '.' || fullname[jdx] == '\0') {
+ fullname[jdx] = '\0';
+ return &fullname[start];
+ break;
+ }
+ }
+ break;
+ }
+ }
+ return "";
+}
+
+PUBLIC const char *GetBinderName() {
+ char psName[17];
+ static char *binderName=NULL;
+
+ if (binderName) return binderName;
+
+ binderName= getenv("AFB_BINDER_NAME");
+ if (!binderName) {
+ // retrieve binder name from process name afb-name-trailer
+ prctl(PR_GET_NAME, psName,NULL,NULL,NULL);
+ binderName=(char*)GetMidleName(psName);
+ }
+
+ return binderName;
+}