1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <string.h>
19 #include <sys/stat.h>
20 #include <sys/resource.h>
21 #include <unistd.h>
22 #include <errno.h>
23
24 #include "hnp_base.h"
25
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29
HnpProcessRunCheck(const char * runPath)30 int HnpProcessRunCheck(const char *runPath)
31 {
32 char cmdBuffer[BUFFER_SIZE];
33 FILE *cmdOutput;
34
35 HNP_LOGI("runPath[%{public}s] running check", runPath);
36
37 /* 判断进程是否运行 */
38 cmdOutput = popen("lsof", "rb");
39 if (cmdOutput == NULL) {
40 HNP_LOGE("hnp uninstall lsof command unsuccess");
41 return HNP_ERRNO_BASE_FILE_OPEN_FAILED;
42 }
43
44 while (fgets(cmdBuffer, sizeof(cmdBuffer), cmdOutput) != NULL) {
45 if (strstr(cmdBuffer, runPath) != NULL) {
46 HNP_LOGE("hnp install path is running now, path[%{public}s]", cmdBuffer);
47 pclose(cmdOutput);
48 return HNP_ERRNO_PROCESS_RUNNING;
49 }
50 }
51
52 pclose(cmdOutput);
53 return 0;
54 }
55
HnpRelPath(const char * fromPath,const char * toPath,char * relPath)56 APPSPAWN_STATIC void HnpRelPath(const char *fromPath, const char *toPath, char *relPath)
57 {
58 char *from = strdup(fromPath);
59 if (from == NULL) {
60 return;
61 }
62 char *to = strdup(toPath);
63 if (to == NULL) {
64 free(from);
65 return;
66 }
67 int numDirs = 0;
68 int ret;
69
70 char *fromHead = from;
71 char *toHead = to;
72
73 while ((*from != '\0') && (*to != '\0') && (*from == *to)) {
74 from++;
75 to++;
76 }
77
78 while (from > fromHead && *(from - 1) != DIR_SPLIT_SYMBOL) {
79 from--;
80 to--;
81 }
82
83 char *p = from;
84 while (*p) {
85 if (*p == DIR_SPLIT_SYMBOL) {
86 numDirs++;
87 }
88 p++;
89 }
90
91 for (int i = 0; i < numDirs; i++) {
92 ret = strcat_s(relPath, MAX_FILE_PATH_LEN, "../");
93 if (ret != 0) {
94 HNP_LOGE("Failed to strcat rel path");
95 free(fromHead);
96 free(toHead);
97 return;
98 }
99 }
100 ret = strcat_s(relPath, MAX_FILE_PATH_LEN, to);
101 if (ret != 0) {
102 HNP_LOGE("Failed to strcat rel path");
103 free(fromHead);
104 free(toHead);
105 return;
106 }
107
108 free(fromHead);
109 free(toHead);
110
111 return;
112 }
113
HnpSymlink(const char * srcFile,const char * dstFile)114 int HnpSymlink(const char *srcFile, const char *dstFile)
115 {
116 int ret;
117 char relpath[MAX_FILE_PATH_LEN];
118
119 (void)unlink(dstFile);
120
121 HnpRelPath(dstFile, srcFile, relpath);
122 ret = symlink(relpath, dstFile);
123 if (ret < 0) {
124 HNP_LOGE("hnp install generate soft link unsuccess, src:%{public}s, dst:%{public}s, errno:%{public}d", srcFile,
125 dstFile, errno);
126 return HNP_ERRNO_GENERATE_SOFT_LINK_FAILED;
127 }
128
129 return 0;
130 }
131
132 #ifdef __cplusplus
133 }
134 #endif
135