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path: root/jni/pppoe_jni.cpp (plain)
blob: c6d9de3016ed3f6244a9dd4881e0a8763235e89e
1#define LOG_NDEBUG 0
2#define LOCAL_TAG "PPPOE_JNI"
3
4
5/*
6dalvik/libnativehelper/include/nativehelper/jni.h
7*/
8#include <jni.h>
9
10#include <JNIHelp.h>
11
12#include <android_runtime/AndroidRuntime.h>
13
14#include <utils/Log.h>
15#include <stdio.h>
16#include <stdlib.h>
17
18#include <unistd.h>
19
20#include <sys/socket.h>
21#include <netinet/in.h>
22
23#include <sys/un.h>
24#include <netwrapper.h>
25#include "pppoe_status.h"
26#include <android/log.h>
27
28#include "cutils/properties.h"
29
30#define PPPOE_PLUGIN_CMD_LEN_MAX 256
31#define PPPOE_CONNECT_CMD_LEN_MAX 512
32
33#define TRACE() LOGI("[%s::%d]\n",__FUNCTION__,__LINE__)
34using namespace android;
35
36
37struct fields_t {
38 JavaVM *gJavaVM ;
39 JNIEnv* env;
40 jmethodID post_event;
41};
42
43static struct fields_t fields;
44
45extern int get_pppoe_status( const char *phy_if_name);
46
47static char pppoe_connect_cmd[PPPOE_CONNECT_CMD_LEN_MAX];
48
49static char pppoe_disconnect_cmd[512] = "ppp-stop";
50static char pppoe_terminate_cmd[512] = "ppp-terminate";
51
52static char pppoe_plugin_cmd[PPPOE_PLUGIN_CMD_LEN_MAX];
53
54#define PPPD_OPTIONS_LEN 512
55static char pppd_options[PPPD_OPTIONS_LEN + 1] = {"debug logfd 1 noipdefault noauth default-asyncmap defaultroute show-password nodetach mtu 1492 mru 1492 noaccomp nodeflate nopcomp novj usepeerdns novjccomp lcp-echo-interval 20 lcp-echo-failure 3"};
56
57
58
59static char* create_pppoe_plugin_cmd(char *pid_file, char *phy_if)
60{
61 int len;
62 len = snprintf(pppoe_plugin_cmd, PPPOE_PLUGIN_CMD_LEN_MAX,
63 "'pppoe -p %s -I %s -T 80 -U -m 1412'",
64 pid_file, phy_if);
65 if ( len < 0 || len >= PPPOE_PLUGIN_CMD_LEN_MAX ) {
66 return NULL;
67 }
68
69 return pppoe_plugin_cmd;
70}
71
72
73static char* create_pppoe_connect_cmd
74(char *plugin_cmd, char *options, char *username, char *pwd)
75{
76 int len;
77 len = snprintf(pppoe_connect_cmd, PPPOE_CONNECT_CMD_LEN_MAX,
78 "pppd pty %s %s user %s password %s &",
79 plugin_cmd, options, username, pwd);
80 if ( len < 0 || len >= PPPOE_CONNECT_CMD_LEN_MAX ) {
81 return NULL;
82 }
83
84 return pppoe_connect_cmd;
85}
86
87#include "../../ppp/pppd/pathnames.h"
88#define CONFIG_FILE _ROOT_PATH "/etc/ppp/pppd_options.conf"
89
90
91
92/* Handy routine to read very long lines in text files.
93 * This means we read the whole line and avoid any nasty buffer overflows. */
94static ssize_t get_line(char **line, size_t *len, FILE *fp)
95{
96 char *p;
97 size_t last = 0;
98
99 while(!feof(fp)) {
100 if (*line == NULL || last != 0) {
101 *len += BUFSIZ;
102 *line = (char*)realloc(*line, *len);
103 }
104 p = *line + last;
105 memset(p, 0, BUFSIZ);
106 if (fgets(p, BUFSIZ, fp) == NULL)
107 break;
108 last += strlen(p);
109 if (last && (*line)[last - 1] == '\n') {
110 (*line)[last - 1] = '\0';
111 break;
112 }
113 }
114 return last;
115}
116
117static const char PPPOE_PHY_IF_PROP_NAME[] = "net.pppoe.phyif";
118
119static jboolean com_amlogic_PppoeOperation_connect
120(JNIEnv *env, jobject obj, jstring jstr_if_name, jstring jstr_account, jstring jstr_passwd)
121{
122 char *p_ifname;
123 char *p_user;
124 char *p_passwd;
125 struct netwrapper_ctrl * ctrl;
126 char *p;
127
128 FILE *f;
129 f = fopen(CONFIG_FILE, "r");
130 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"Try Open %s", CONFIG_FILE);
131
132 if (f) {
133 char *line, *option, *p, *buffer = NULL;
134 size_t len = 0;
135
136 get_line(&buffer, &len, f);
137 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"get_line: [%s]", buffer);
138 if (buffer){
139 strncpy(pppd_options, buffer, sizeof(pppd_options) - 1);
140 free(buffer);
141 }
142 fclose(f);
143 }
144
145 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
146 p_user = (char *)env->GetStringUTFChars(jstr_account, NULL);
147 p_passwd = (char *)env->GetStringUTFChars(jstr_passwd, NULL);
148
149 property_set(PPPOE_PHY_IF_PROP_NAME, p_ifname);
150
151 p = create_pppoe_plugin_cmd((char*)PPPOE_PIDFILE, p_ifname);
152 if (!p) {
153 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create plug_in command\n");
154 return -1;
155 }
156
157 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"plug_in command: %s\n", p);
158
159 p = create_pppoe_connect_cmd(p, pppd_options, p_user, p_passwd);
160 if (!p) {
161 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create connect command\n");
162 return -1;
163 }
164
165 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"connect command: %s\n", p);
166
167
168 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.connect\n");
169
170 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
171 if (ctrl == NULL) {
172 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
173 return -1;
174 }
175
176 netwrapper_ctrl_request(ctrl, pppoe_connect_cmd, strlen(pppoe_connect_cmd));
177
178 netwrapper_ctrl_close(ctrl);
179
180 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
181 env->ReleaseStringUTFChars(jstr_account, p_user);
182 env->ReleaseStringUTFChars(jstr_passwd, p_passwd);
183
184 return 1;
185}
186
187
188
189jboolean com_amlogic_PppoeOperation_disconnect
190(JNIEnv *env, jobject obj)
191{
192 struct netwrapper_ctrl * ctrl;
193
194 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.disconnect\n");
195
196 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
197 if (ctrl == NULL) {
198 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
199 return -1;
200 }
201
202 netwrapper_ctrl_request(ctrl, pppoe_disconnect_cmd, strlen(pppoe_disconnect_cmd));
203
204 netwrapper_ctrl_close(ctrl);
205
206 return 1;
207}
208
209jboolean com_amlogic_PppoeOperation_terminate
210(JNIEnv *env, jobject obj)
211{
212 struct netwrapper_ctrl * ctrl;
213
214 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.terminate\n");
215
216 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
217 if (ctrl == NULL) {
218 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
219 return -1;
220 }
221
222 netwrapper_ctrl_request(ctrl, pppoe_terminate_cmd, strlen(pppoe_terminate_cmd));
223
224 netwrapper_ctrl_close(ctrl);
225
226 return 1;
227}
228
229
230jint com_amlogic_PppoeOperation_status
231(JNIEnv *env, jobject obj, jstring jstr_if_name)
232{
233 char *p_ifname;
234 int status;
235
236 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.status\n");
237
238 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
239 status = get_pppoe_status(p_ifname);
240
241 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
242
243 return status;
244}
245
246
247static JNINativeMethod gPppoeJNIMethods[] = {
248 /* name, signature, funcPtr */
249 { "connect", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z", (void*) com_amlogic_PppoeOperation_connect },
250 { "disconnect", "()Z", (void*) com_amlogic_PppoeOperation_disconnect },
251 { "terminate", "()Z", (void*) com_amlogic_PppoeOperation_terminate },
252 { "status", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_status },
253};
254
255
256#define PPPOE_CLASS_NAME "com/amlogic/pppoe/PppoeOperation"
257
258
259int register_pppoe_jni(JNIEnv* env)
260{
261 int ret;
262 jclass pppoe = env->FindClass(PPPOE_CLASS_NAME);
263 if (NULL == pppoe) {
264 LOGI("%s:Unable to find class %s", __FUNCTION__, PPPOE_CLASS_NAME);
265 return -1;
266 }
267 else {
268 LOGI("%s:class %s FOUND", __FUNCTION__, PPPOE_CLASS_NAME);
269 }
270
271 TRACE();
272 ret = android::AndroidRuntime::registerNativeMethods(env,
273 PPPOE_CLASS_NAME, gPppoeJNIMethods, NELEM(gPppoeJNIMethods));
274 return ret;
275}
276
277
278JNIEXPORT jint
279JNI_OnLoad(JavaVM* vm, void* reserved)
280{
281 jint ret;
282 JNIEnv* env = NULL;
283 TRACE();
284 if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) {
285 LOGE("GetEnv failed!");
286 return -1;
287 }
288 fields.gJavaVM = vm;
289 fields.env = env;
290 TRACE();
291 ret = register_pppoe_jni(env);
292 LOGI("register_pppoe_jni=%d\n", ret);
293 if (ret == 0) {
294 return JNI_VERSION_1_4;
295 } else {
296 return -1;
297 }
298}
299
300
301JNIEXPORT void
302JNI_OnUnload(JavaVM* vm, void* reserved)
303{
304 return;
305}
306
307
308
generated by cgit at 2024-05-18 06:30:06 (GMT)