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path: root/jni/pppoe_jni.cpp (plain)
blob: 48f497ae9aa360d2bb943f9927f5dc8ffee21591
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 LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
34#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
35#define TRACE() LOGI("[%s::%d]\n",__FUNCTION__,__LINE__)
36using namespace android;
37
38
39struct fields_t {
40 JavaVM *gJavaVM ;
41 JNIEnv* env;
42 jmethodID post_event;
43};
44
45static struct fields_t fields;
46
47extern int get_eth0_updown();
48extern int get_pppoe_status( const char *phy_if_name);
49
50static char pppoe_connect_cmd[PPPOE_CONNECT_CMD_LEN_MAX];
51
52static char pppoe_disconnect_cmd[512] = "ppp-stop";
53static char pppoe_terminate_cmd[512] = "ppp-terminate";
54
55static char pppoe_plugin_cmd[PPPOE_PLUGIN_CMD_LEN_MAX];
56
57#define PPPD_OPTIONS_LEN 512
58static 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"};
59
60
61
62static char* create_pppoe_plugin_cmd(char *pid_file, char *phy_if)
63{
64 int len;
65 len = snprintf(pppoe_plugin_cmd, PPPOE_PLUGIN_CMD_LEN_MAX,
66 "'pppoe -p %s -I %s -T 80 -U -m 1412'",
67 pid_file, phy_if);
68 if ( len < 0 || len >= PPPOE_PLUGIN_CMD_LEN_MAX ) {
69 return NULL;
70 }
71
72 return pppoe_plugin_cmd;
73}
74
75
76static char* create_pppoe_connect_cmd
77(char *plugin_cmd, char *options, char *username, char *pwd)
78{
79 int len;
80 len = snprintf(pppoe_connect_cmd, PPPOE_CONNECT_CMD_LEN_MAX,
81 "pppd pty %s %s user %s password %s &",
82 plugin_cmd, options, username, pwd);
83 if ( len < 0 || len >= PPPOE_CONNECT_CMD_LEN_MAX ) {
84 return NULL;
85 }
86
87 return pppoe_connect_cmd;
88}
89
90//#ifndef _ROOT_PATH
91#define _ROOT_PATH "/data/misc"
92#define CONFIG_FILE _ROOT_PATH "/etc/ppp/pppd_options.conf"
93
94
95
96/* Handy routine to read very long lines in text files.
97 * This means we read the whole line and avoid any nasty buffer overflows. */
98static ssize_t get_line(char **line, size_t *len, FILE *fp)
99{
100 char *p;
101 size_t last = 0;
102
103 while(!feof(fp)) {
104 if (*line == NULL || last != 0) {
105 *len += BUFSIZ;
106 *line = (char*)realloc(*line, *len);
107 }
108 p = *line + last;
109 memset(p, 0, BUFSIZ);
110 if (fgets(p, BUFSIZ, fp) == NULL)
111 break;
112 last += strlen(p);
113 if (last && (*line)[last - 1] == '\n') {
114 (*line)[last - 1] = '\0';
115 break;
116 }
117 }
118 return last;
119}
120
121static const char PPPOE_PHY_IF_PROP_NAME[] = "net.pppoe.phyif";
122
123static jboolean com_amlogic_PppoeOperation_connect
124(JNIEnv *env, jobject obj, jstring jstr_if_name, jstring jstr_account, jstring jstr_passwd)
125{
126 char *p_ifname;
127 char *p_user;
128 char *p_passwd;
129 struct netwrapper_ctrl * ctrl;
130 char *p;
131
132 FILE *f;
133 f = fopen(CONFIG_FILE, "r");
134 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"Try Open %s", CONFIG_FILE);
135
136 if (f) {
137 char *line, *option, *p, *buffer = NULL;
138 size_t len = 0;
139
140 get_line(&buffer, &len, f);
141 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"get_line: [%s]", buffer);
142 if (buffer){
143 strncpy(pppd_options, buffer, sizeof(pppd_options) - 1);
144 free(buffer);
145 }
146 fclose(f);
147 }
148
149 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
150 p_user = (char *)env->GetStringUTFChars(jstr_account, NULL);
151 p_passwd = (char *)env->GetStringUTFChars(jstr_passwd, NULL);
152
153 property_set(PPPOE_PHY_IF_PROP_NAME, p_ifname);
154
155 p = create_pppoe_plugin_cmd((char*)PPPOE_PIDFILE, p_ifname);
156 if (!p) {
157 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create plug_in command\n");
158 return -1;
159 }
160
161 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"plug_in command: %s\n", p);
162
163 p = create_pppoe_connect_cmd(p, pppd_options, p_user, p_passwd);
164 if (!p) {
165 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create connect command\n");
166 return -1;
167 }
168
169 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"connect command: %s\n", p);
170
171
172 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.connect\n");
173
174 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
175 if (ctrl == NULL) {
176 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
177 return -1;
178 }
179
180 netwrapper_ctrl_request(ctrl, pppoe_connect_cmd, strlen(pppoe_connect_cmd));
181
182 netwrapper_ctrl_close(ctrl);
183
184 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
185 env->ReleaseStringUTFChars(jstr_account, p_user);
186 env->ReleaseStringUTFChars(jstr_passwd, p_passwd);
187
188 return 1;
189}
190
191
192
193jboolean com_amlogic_PppoeOperation_disconnect
194(JNIEnv *env, jobject obj)
195{
196 struct netwrapper_ctrl * ctrl;
197
198 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.disconnect\n");
199
200 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
201 if (ctrl == NULL) {
202 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
203 return -1;
204 }
205
206 netwrapper_ctrl_request(ctrl, pppoe_disconnect_cmd, strlen(pppoe_disconnect_cmd));
207
208 netwrapper_ctrl_close(ctrl);
209
210 return 1;
211}
212
213jboolean com_amlogic_PppoeOperation_terminate
214(JNIEnv *env, jobject obj)
215{
216 struct netwrapper_ctrl * ctrl;
217
218 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.terminate\n");
219
220 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
221 if (ctrl == NULL) {
222 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
223 return -1;
224 }
225
226 netwrapper_ctrl_request(ctrl, pppoe_terminate_cmd, strlen(pppoe_terminate_cmd));
227
228 netwrapper_ctrl_close(ctrl);
229
230 return 1;
231}
232
233jint com_amlogic_PppoeOperation_isNetAdded
234(JNIEnv *env, jobject obj, jstring jstr_if_name)
235{
236 char *p_ifname;
237 int status;
238
239 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.isNetAdded\n");
240
241 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
242 status = get_net_updown(p_ifname);
243
244 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
245
246 return status;
247}
248
249jint com_amlogic_PppoeOperation_status
250(JNIEnv *env, jobject obj, jstring jstr_if_name)
251{
252 char *p_ifname;
253 int status;
254
255 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.status\n");
256
257 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
258 status = get_pppoe_status(p_ifname);
259
260 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
261
262 return status;
263}
264
265
266static JNINativeMethod gPppoeJNIMethods[] = {
267 /* name, signature, funcPtr */
268 { "_connect", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z", (void*) com_amlogic_PppoeOperation_connect },
269 { "_disconnect", "()Z", (void*) com_amlogic_PppoeOperation_disconnect },
270 { "_terminate", "()Z", (void*) com_amlogic_PppoeOperation_terminate },
271 { "isNetAdded", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_isNetAdded },
272 { "status", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_status },
273};
274
275
276#define PPPOE_CLASS_NAME "com/amlogic/pppoe/PppoeOperation"
277
278
279int register_pppoe_jni(JNIEnv* env)
280{
281 int ret;
282 jclass pppoe = env->FindClass(PPPOE_CLASS_NAME);
283 if (NULL == pppoe) {
284 LOGI("%s:Unable to find class %s", __FUNCTION__, PPPOE_CLASS_NAME);
285 return -1;
286 }
287 else {
288 LOGI("%s:class %s FOUND", __FUNCTION__, PPPOE_CLASS_NAME);
289 }
290
291 TRACE();
292 ret = android::AndroidRuntime::registerNativeMethods(env,
293 PPPOE_CLASS_NAME, gPppoeJNIMethods, NELEM(gPppoeJNIMethods));
294 return ret;
295}
296
297
298JNIEXPORT jint
299JNI_OnLoad(JavaVM* vm, void* reserved)
300{
301 jint ret;
302 JNIEnv* env = NULL;
303 TRACE();
304 if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) {
305 LOGE("GetEnv failed!");
306 return -1;
307 }
308 fields.gJavaVM = vm;
309 fields.env = env;
310 TRACE();
311 ret = register_pppoe_jni(env);
312 LOGI("register_pppoe_jni=%d\n", ret);
313 if (ret == 0) {
314 return JNI_VERSION_1_4;
315 } else {
316 return -1;
317 }
318}
319
320
321JNIEXPORT void
322JNI_OnUnload(JavaVM* vm, void* reserved)
323{
324 return;
325}
326
327
328
generated by cgit at 2024-05-17 03:07:16 (GMT)