summaryrefslogtreecommitdiff
path: root/jni/pppoe_jni.cpp (plain)
blob: 385c1005fedc5fa63539d0244b3da4cb24bebcfb
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#include "../../ppp/pppd/pathnames.h"
91#define CONFIG_FILE _ROOT_PATH "/etc/ppp/pppd_options.conf"
92
93
94
95/* Handy routine to read very long lines in text files.
96 * This means we read the whole line and avoid any nasty buffer overflows. */
97static ssize_t get_line(char **line, size_t *len, FILE *fp)
98{
99 char *p;
100 size_t last = 0;
101
102 while(!feof(fp)) {
103 if (*line == NULL || last != 0) {
104 *len += BUFSIZ;
105 *line = (char*)realloc(*line, *len);
106 }
107 p = *line + last;
108 memset(p, 0, BUFSIZ);
109 if (fgets(p, BUFSIZ, fp) == NULL)
110 break;
111 last += strlen(p);
112 if (last && (*line)[last - 1] == '\n') {
113 (*line)[last - 1] = '\0';
114 break;
115 }
116 }
117 return last;
118}
119
120static const char PPPOE_PHY_IF_PROP_NAME[] = "net.pppoe.phyif";
121
122static jboolean com_amlogic_PppoeOperation_connect
123(JNIEnv *env, jobject obj, jstring jstr_if_name, jstring jstr_account, jstring jstr_passwd)
124{
125 char *p_ifname;
126 char *p_user;
127 char *p_passwd;
128 struct netwrapper_ctrl * ctrl;
129 char *p;
130
131 FILE *f;
132 f = fopen(CONFIG_FILE, "r");
133 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"Try Open %s", CONFIG_FILE);
134
135 if (f) {
136 char *line, *option, *p, *buffer = NULL;
137 size_t len = 0;
138
139 get_line(&buffer, &len, f);
140 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"get_line: [%s]", buffer);
141 if (buffer){
142 strncpy(pppd_options, buffer, sizeof(pppd_options) - 1);
143 free(buffer);
144 }
145 fclose(f);
146 }
147
148 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
149 p_user = (char *)env->GetStringUTFChars(jstr_account, NULL);
150 p_passwd = (char *)env->GetStringUTFChars(jstr_passwd, NULL);
151
152 property_set(PPPOE_PHY_IF_PROP_NAME, p_ifname);
153
154 p = create_pppoe_plugin_cmd((char*)PPPOE_PIDFILE, p_ifname);
155 if (!p) {
156 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create plug_in command\n");
157 return -1;
158 }
159
160 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"plug_in command: %s\n", p);
161
162 p = create_pppoe_connect_cmd(p, pppd_options, p_user, p_passwd);
163 if (!p) {
164 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"failed to create connect command\n");
165 return -1;
166 }
167
168 __android_log_print(ANDROID_LOG_INFO, LOCAL_TAG,"connect command: %s\n", p);
169
170
171 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.connect\n");
172
173 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
174 if (ctrl == NULL) {
175 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
176 return -1;
177 }
178
179 netwrapper_ctrl_request(ctrl, pppoe_connect_cmd, strlen(pppoe_connect_cmd));
180
181 netwrapper_ctrl_close(ctrl);
182
183 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
184 env->ReleaseStringUTFChars(jstr_account, p_user);
185 env->ReleaseStringUTFChars(jstr_passwd, p_passwd);
186
187 return 1;
188}
189
190
191
192jboolean com_amlogic_PppoeOperation_disconnect
193(JNIEnv *env, jobject obj)
194{
195 struct netwrapper_ctrl * ctrl;
196
197 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.disconnect\n");
198
199 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
200 if (ctrl == NULL) {
201 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
202 return -1;
203 }
204
205 netwrapper_ctrl_request(ctrl, pppoe_disconnect_cmd, strlen(pppoe_disconnect_cmd));
206
207 netwrapper_ctrl_close(ctrl);
208
209 return 1;
210}
211
212jboolean com_amlogic_PppoeOperation_terminate
213(JNIEnv *env, jobject obj)
214{
215 struct netwrapper_ctrl * ctrl;
216
217 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.terminate\n");
218
219 ctrl = netwrapper_ctrl_open(PPPOE_WRAPPER_CLIENT_PATH, PPPOE_WRAPPER_SERVER_PATH);
220 if (ctrl == NULL) {
221 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG, "Failed to connect to pppd\n");
222 return -1;
223 }
224
225 netwrapper_ctrl_request(ctrl, pppoe_terminate_cmd, strlen(pppoe_terminate_cmd));
226
227 netwrapper_ctrl_close(ctrl);
228
229 return 1;
230}
231
232jint com_amlogic_PppoeOperation_isNetAdded
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.isNetAdded\n");
239
240 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
241 status = get_net_updown(p_ifname);
242
243 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
244
245 return status;
246}
247
248jint com_amlogic_PppoeOperation_status
249(JNIEnv *env, jobject obj, jstring jstr_if_name)
250{
251 char *p_ifname;
252 int status;
253
254 __android_log_print(ANDROID_LOG_ERROR, LOCAL_TAG,"ppp.status\n");
255
256 p_ifname = (char *)env->GetStringUTFChars(jstr_if_name, NULL);
257 status = get_pppoe_status(p_ifname);
258
259 env->ReleaseStringUTFChars(jstr_if_name, p_ifname);
260
261 return status;
262}
263
264
265static JNINativeMethod gPppoeJNIMethods[] = {
266 /* name, signature, funcPtr */
267 { "_connect", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z", (void*) com_amlogic_PppoeOperation_connect },
268 { "_disconnect", "()Z", (void*) com_amlogic_PppoeOperation_disconnect },
269 { "_terminate", "()Z", (void*) com_amlogic_PppoeOperation_terminate },
270 { "isNetAdded", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_isNetAdded },
271 { "status", "(Ljava/lang/String;)I", (void*) com_amlogic_PppoeOperation_status },
272};
273
274
275#define PPPOE_CLASS_NAME "com/amlogic/pppoe/PppoeOperation"
276
277
278int register_pppoe_jni(JNIEnv* env)
279{
280 int ret;
281 jclass pppoe = env->FindClass(PPPOE_CLASS_NAME);
282 if (NULL == pppoe) {
283 LOGI("%s:Unable to find class %s", __FUNCTION__, PPPOE_CLASS_NAME);
284 return -1;
285 }
286 else {
287 LOGI("%s:class %s FOUND", __FUNCTION__, PPPOE_CLASS_NAME);
288 }
289
290 TRACE();
291 ret = android::AndroidRuntime::registerNativeMethods(env,
292 PPPOE_CLASS_NAME, gPppoeJNIMethods, NELEM(gPppoeJNIMethods));
293 return ret;
294}
295
296
297JNIEXPORT jint
298JNI_OnLoad(JavaVM* vm, void* reserved)
299{
300 jint ret;
301 JNIEnv* env = NULL;
302 TRACE();
303 if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) {
304 LOGE("GetEnv failed!");
305 return -1;
306 }
307 fields.gJavaVM = vm;
308 fields.env = env;
309 TRACE();
310 ret = register_pppoe_jni(env);
311 LOGI("register_pppoe_jni=%d\n", ret);
312 if (ret == 0) {
313 return JNI_VERSION_1_4;
314 } else {
315 return -1;
316 }
317}
318
319
320JNIEXPORT void
321JNI_OnUnload(JavaVM* vm, void* reserved)
322{
323 return;
324}
325
326
327
generated by cgit at 2024-05-18 04:42:15 (GMT)