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path: root/jni/pppoe_jni.cpp (plain)
blob: cdfe6c27d9bd3c33a65593218faf9ec104a98811
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_pppoe_status( const char *phy_if_name);
48
49static char pppoe_connect_cmd[PPPOE_CONNECT_CMD_LEN_MAX];
50
51static char pppoe_disconnect_cmd[512] = "ppp-stop";
52static char pppoe_terminate_cmd[512] = "ppp-terminate";
53
54static char pppoe_plugin_cmd[PPPOE_PLUGIN_CMD_LEN_MAX];
55
56#define PPPD_OPTIONS_LEN 512
57static 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"};
58
59
60
61static char* create_pppoe_plugin_cmd(char *pid_file, char *phy_if)
62{
63 int len;
64 len = snprintf(pppoe_plugin_cmd, PPPOE_PLUGIN_CMD_LEN_MAX,
65 "'pppoe -p %s -I %s -T 80 -U -m 1412'",
66 pid_file, phy_if);
67 if ( len < 0 || len >= PPPOE_PLUGIN_CMD_LEN_MAX ) {
68 return NULL;
69 }
70
71 return pppoe_plugin_cmd;
72}
73
74
75static char* create_pppoe_connect_cmd
76(char *plugin_cmd, char *options, char *username, char *pwd)
77{
78 int len;
79 len = snprintf(pppoe_connect_cmd, PPPOE_CONNECT_CMD_LEN_MAX,
80 "pppd pty %s %s user %s password %s &",
81 plugin_cmd, options, username, pwd);
82 if ( len < 0 || len >= PPPOE_CONNECT_CMD_LEN_MAX ) {
83 return NULL;
84 }
85
86 return pppoe_connect_cmd;
87}
88
89#include "../../ppp/pppd/pathnames.h"
90#define CONFIG_FILE _ROOT_PATH "/etc/ppp/pppd_options.conf"
91
92
93
94/* Handy routine to read very long lines in text files.
95 * This means we read the whole line and avoid any nasty buffer overflows. */
96static ssize_t get_line(char **line, size_t *len, FILE *fp)
97{
98 char *p;
99 size_t last = 0;
100
101 while(!feof(fp)) {
102 if (*line == NULL || last != 0) {
103 *len += BUFSIZ;
104 *line = (char*)realloc(*line, *len);
105 }
106 p = *line + last;
107 memset(p, 0, BUFSIZ);
108 if (fgets(p, BUFSIZ, fp) == NULL)
109 break;
110 last += strlen(p);
111 if (last && (*line)[last - 1] == '\n') {
112 (*line)[last - 1] = '\0';
113 break;
114 }
115 }
116 return last;
117}
118
119static const char PPPOE_PHY_IF_PROP_NAME[] = "net.pppoe.phyif";
120
121static jboolean com_amlogic_PppoeOperation_connect
122(JNIEnv *env, jobject obj, jstring jstr_if_name, jstring jstr_account, jstring jstr_passwd)
123{
124 char *p_ifname;
125 char *p_user;
126 char *p_passwd;
127 struct netwrapper_ctrl * ctrl;
128 char *p;
129
130 FILE *f;
131 f = fopen(CONFIG_FILE, "r");
132 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"Try Open %s", CONFIG_FILE);
133
134 if (f) {
135 char *line, *option, *p, *buffer = NULL;
136 size_t len = 0;
137
138 get_line(&buffer, &len, f);
139 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"get_line: [%s]", buffer);
140 if (buffer){
141 strncpy(pppd_options, buffer, sizeof(pppd_options) - 1);
142 free(buffer);
143 }
144 fclose(f);
145 }
146
147 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
148 p_user = (char *)env->GetStringUTFChars(jstr_account, NULL);
149 p_passwd = (char *)env->GetStringUTFChars(jstr_passwd, NULL);
150
151 property_set(PPPOE_PHY_IF_PROP_NAME, p_ifname);
152
153 p = create_pppoe_plugin_cmd((char*)PPPOE_PIDFILE, p_ifname);
154 if (!p) {
155 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create plug_in command\n");
156 return -1;
157 }
158
159 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"plug_in command: %s\n", p);
160
161 p = create_pppoe_connect_cmd(p, pppd_options, p_user, p_passwd);
162 if (!p) {
163 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create connect command\n");
164 return -1;
165 }
166
167 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"connect command: %s\n", p);
168
169
170 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.connect\n");
171
172 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
173 if (ctrl == NULL) {
174 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
175 return -1;
176 }
177
178 netwrapper_ctrl_request(ctrl, pppoe_connect_cmd, strlen(pppoe_connect_cmd));
179
180 netwrapper_ctrl_close(ctrl);
181
182 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
183 env->ReleaseStringUTFChars(jstr_account, p_user);
184 env->ReleaseStringUTFChars(jstr_passwd, p_passwd);
185
186 return 1;
187}
188
189
190
191jboolean com_amlogic_PppoeOperation_disconnect
192(JNIEnv *env, jobject obj)
193{
194 struct netwrapper_ctrl * ctrl;
195
196 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.disconnect\n");
197
198 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
199 if (ctrl == NULL) {
200 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
201 return -1;
202 }
203
204 netwrapper_ctrl_request(ctrl, pppoe_disconnect_cmd, strlen(pppoe_disconnect_cmd));
205
206 netwrapper_ctrl_close(ctrl);
207
208 return 1;
209}
210
211jboolean com_amlogic_PppoeOperation_terminate
212(JNIEnv *env, jobject obj)
213{
214 struct netwrapper_ctrl * ctrl;
215
216 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.terminate\n");
217
218 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
219 if (ctrl == NULL) {
220 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
221 return -1;
222 }
223
224 netwrapper_ctrl_request(ctrl, pppoe_terminate_cmd, strlen(pppoe_terminate_cmd));
225
226 netwrapper_ctrl_close(ctrl);
227
228 return 1;
229}
230
231
232jint com_amlogic_PppoeOperation_status
233(JNIEnv *env, jobject obj, jstring jstr_if_name)
234{
235 char *p_ifname;
236 int status;
237
238 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.status\n");
239
240 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
241 status = get_pppoe_status(p_ifname);
242
243 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
244
245 return status;
246}
247
248
249static JNINativeMethod gPppoeJNIMethods[] = {
250 /* name, signature, funcPtr */
251 { "connect", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z", (void*) com_amlogic_PppoeOperation_connect },
252 { "disconnect", "()Z", (void*) com_amlogic_PppoeOperation_disconnect },
253 { "terminate", "()Z", (void*) com_amlogic_PppoeOperation_terminate },
254 { "status", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_status },
255};
256
257
258#define PPPOE_CLASS_NAME "com/amlogic/pppoe/PppoeOperation"
259
260
261int register_pppoe_jni(JNIEnv* env)
262{
263 int ret;
264 jclass pppoe = env->FindClass(PPPOE_CLASS_NAME);
265 if (NULL == pppoe) {
266 LOGI("%s:Unable to find class %s", __FUNCTION__, PPPOE_CLASS_NAME);
267 return -1;
268 }
269 else {
270 LOGI("%s:class %s FOUND", __FUNCTION__, PPPOE_CLASS_NAME);
271 }
272
273 TRACE();
274 ret = android::AndroidRuntime::registerNativeMethods(env,
275 PPPOE_CLASS_NAME, gPppoeJNIMethods, NELEM(gPppoeJNIMethods));
276 return ret;
277}
278
279
280JNIEXPORT jint
281JNI_OnLoad(JavaVM* vm, void* reserved)
282{
283 jint ret;
284 JNIEnv* env = NULL;
285 TRACE();
286 if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) {
287 LOGE("GetEnv failed!");
288 return -1;
289 }
290 fields.gJavaVM = vm;
291 fields.env = env;
292 TRACE();
293 ret = register_pppoe_jni(env);
294 LOGI("register_pppoe_jni=%d\n", ret);
295 if (ret == 0) {
296 return JNI_VERSION_1_4;
297 } else {
298 return -1;
299 }
300}
301
302
303JNIEXPORT void
304JNI_OnUnload(JavaVM* vm, void* reserved)
305{
306 return;
307}
308
309
310
generated by cgit at 2024-05-18 06:04:51 (GMT)