1*9203SMark.Logan@Sun.COM /*******************************************************************************
2*9203SMark.Logan@Sun.COM * Copyright (C) 2004-2008 Intel Corp. All rights reserved.
3*9203SMark.Logan@Sun.COM *
4*9203SMark.Logan@Sun.COM * Redistribution and use in source and binary forms, with or without
5*9203SMark.Logan@Sun.COM * modification, are permitted provided that the following conditions are met:
6*9203SMark.Logan@Sun.COM *
7*9203SMark.Logan@Sun.COM * - Redistributions of source code must retain the above copyright notice,
8*9203SMark.Logan@Sun.COM * this list of conditions and the following disclaimer.
9*9203SMark.Logan@Sun.COM *
10*9203SMark.Logan@Sun.COM * - Redistributions in binary form must reproduce the above copyright notice,
11*9203SMark.Logan@Sun.COM * this list of conditions and the following disclaimer in the documentation
12*9203SMark.Logan@Sun.COM * and/or other materials provided with the distribution.
13*9203SMark.Logan@Sun.COM *
14*9203SMark.Logan@Sun.COM * - Neither the name of Intel Corp. nor the names of its
15*9203SMark.Logan@Sun.COM * contributors may be used to endorse or promote products derived from this
16*9203SMark.Logan@Sun.COM * software without specific prior written permission.
17*9203SMark.Logan@Sun.COM *
18*9203SMark.Logan@Sun.COM * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
19*9203SMark.Logan@Sun.COM * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*9203SMark.Logan@Sun.COM * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*9203SMark.Logan@Sun.COM * ARE DISCLAIMED. IN NO EVENT SHALL Intel Corp. OR THE CONTRIBUTORS
22*9203SMark.Logan@Sun.COM * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*9203SMark.Logan@Sun.COM * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*9203SMark.Logan@Sun.COM * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*9203SMark.Logan@Sun.COM * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*9203SMark.Logan@Sun.COM * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*9203SMark.Logan@Sun.COM * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*9203SMark.Logan@Sun.COM * POSSIBILITY OF SUCH DAMAGE.
29*9203SMark.Logan@Sun.COM *******************************************************************************/
30*9203SMark.Logan@Sun.COM
31*9203SMark.Logan@Sun.COM #ifdef HAVE_CONFIG_H
32*9203SMark.Logan@Sun.COM #include "config.h"
33*9203SMark.Logan@Sun.COM #endif
34*9203SMark.Logan@Sun.COM #include <cstdlib>
35*9203SMark.Logan@Sun.COM #include <cstdio>
36*9203SMark.Logan@Sun.COM #include <cstring>
37*9203SMark.Logan@Sun.COM #include <sys/types.h>
38*9203SMark.Logan@Sun.COM #include <dlfcn.h>
39*9203SMark.Logan@Sun.COM #include "glue.h"
40*9203SMark.Logan@Sun.COM
41*9203SMark.Logan@Sun.COM #ifdef __sun
42*9203SMark.Logan@Sun.COM #include <stdio.h>
43*9203SMark.Logan@Sun.COM #include <stdlib.h>
44*9203SMark.Logan@Sun.COM #include <string.h>
45*9203SMark.Logan@Sun.COM #endif // __sun
46*9203SMark.Logan@Sun.COM
47*9203SMark.Logan@Sun.COM #define PARSER_MAX 32
48*9203SMark.Logan@Sun.COM
49*9203SMark.Logan@Sun.COM typedef struct parser_s {
50*9203SMark.Logan@Sun.COM unsigned int count;
51*9203SMark.Logan@Sun.COM char *line[PARSER_MAX];
52*9203SMark.Logan@Sun.COM } parser_t;
53*9203SMark.Logan@Sun.COM
54*9203SMark.Logan@Sun.COM
parser_init(parser_t * cfg)55*9203SMark.Logan@Sun.COM static void parser_init(parser_t *cfg)
56*9203SMark.Logan@Sun.COM {
57*9203SMark.Logan@Sun.COM if (!cfg) {
58*9203SMark.Logan@Sun.COM return;
59*9203SMark.Logan@Sun.COM }
60*9203SMark.Logan@Sun.COM
61*9203SMark.Logan@Sun.COM cfg->count = 0;
62*9203SMark.Logan@Sun.COM }
63*9203SMark.Logan@Sun.COM
parser_add(parser_t * cfg,char * buf)64*9203SMark.Logan@Sun.COM static int parser_add(parser_t *cfg, char *buf)
65*9203SMark.Logan@Sun.COM {
66*9203SMark.Logan@Sun.COM if ((!cfg) || (cfg->count > PARSER_MAX)) {
67*9203SMark.Logan@Sun.COM return -1;
68*9203SMark.Logan@Sun.COM }
69*9203SMark.Logan@Sun.COM
70*9203SMark.Logan@Sun.COM cfg->line[cfg->count] = strdup(buf);
71*9203SMark.Logan@Sun.COM if (cfg->line[cfg->count]) {
72*9203SMark.Logan@Sun.COM cfg->count ++;
73*9203SMark.Logan@Sun.COM }
74*9203SMark.Logan@Sun.COM
75*9203SMark.Logan@Sun.COM return 0;
76*9203SMark.Logan@Sun.COM }
77*9203SMark.Logan@Sun.COM
parser_length(parser_t * cfg)78*9203SMark.Logan@Sun.COM static int parser_length(parser_t *cfg)
79*9203SMark.Logan@Sun.COM {
80*9203SMark.Logan@Sun.COM if (!cfg) {
81*9203SMark.Logan@Sun.COM return 0;
82*9203SMark.Logan@Sun.COM }
83*9203SMark.Logan@Sun.COM
84*9203SMark.Logan@Sun.COM return cfg->count;
85*9203SMark.Logan@Sun.COM }
86*9203SMark.Logan@Sun.COM
parser_get(parser_t * cfg,unsigned int index)87*9203SMark.Logan@Sun.COM static char *parser_get(parser_t *cfg, unsigned int index)
88*9203SMark.Logan@Sun.COM {
89*9203SMark.Logan@Sun.COM if ((!cfg) || (index >= cfg->count)) {
90*9203SMark.Logan@Sun.COM return NULL;
91*9203SMark.Logan@Sun.COM }
92*9203SMark.Logan@Sun.COM
93*9203SMark.Logan@Sun.COM return (cfg->line[index]);
94*9203SMark.Logan@Sun.COM }
95*9203SMark.Logan@Sun.COM
96*9203SMark.Logan@Sun.COM
parser_read(parser_t * cfg,FILE * fp)97*9203SMark.Logan@Sun.COM static int parser_read(parser_t *cfg, FILE *fp)
98*9203SMark.Logan@Sun.COM {
99*9203SMark.Logan@Sun.COM char line[512];
100*9203SMark.Logan@Sun.COM char *head, *tail;
101*9203SMark.Logan@Sun.COM int len;
102*9203SMark.Logan@Sun.COM
103*9203SMark.Logan@Sun.COM if ((!fp) || (!cfg)) {
104*9203SMark.Logan@Sun.COM return -1;
105*9203SMark.Logan@Sun.COM }
106*9203SMark.Logan@Sun.COM
107*9203SMark.Logan@Sun.COM while (fgets(line, 511, fp)) {
108*9203SMark.Logan@Sun.COM head = line;
109*9203SMark.Logan@Sun.COM while (*head == 0x20 || *head == '\t') {
110*9203SMark.Logan@Sun.COM head ++;
111*9203SMark.Logan@Sun.COM }
112*9203SMark.Logan@Sun.COM if ((*head == '#') || (*head == '\n') ||
113*9203SMark.Logan@Sun.COM (*head == '\r') || (*head == '\0')) {
114*9203SMark.Logan@Sun.COM continue;
115*9203SMark.Logan@Sun.COM }
116*9203SMark.Logan@Sun.COM len = strlen(head);
117*9203SMark.Logan@Sun.COM tail = head + len - 1;
118*9203SMark.Logan@Sun.COM if (tail <= head) {
119*9203SMark.Logan@Sun.COM continue;
120*9203SMark.Logan@Sun.COM }
121*9203SMark.Logan@Sun.COM while ((*tail == '\r') || (*tail == '\n')) {
122*9203SMark.Logan@Sun.COM tail --;
123*9203SMark.Logan@Sun.COM }
124*9203SMark.Logan@Sun.COM *(tail + 1) = '\0';
125*9203SMark.Logan@Sun.COM
126*9203SMark.Logan@Sun.COM parser_add(cfg, head);
127*9203SMark.Logan@Sun.COM }
128*9203SMark.Logan@Sun.COM return 0;
129*9203SMark.Logan@Sun.COM }
130*9203SMark.Logan@Sun.COM
parser_free(parser_t * cfg)131*9203SMark.Logan@Sun.COM static void parser_free(parser_t *cfg)
132*9203SMark.Logan@Sun.COM {
133*9203SMark.Logan@Sun.COM unsigned int i;
134*9203SMark.Logan@Sun.COM
135*9203SMark.Logan@Sun.COM for (i = 0; i < cfg->count; i ++) {
136*9203SMark.Logan@Sun.COM free(cfg->line[i]);
137*9203SMark.Logan@Sun.COM }
138*9203SMark.Logan@Sun.COM }
139*9203SMark.Logan@Sun.COM
140*9203SMark.Logan@Sun.COM
141*9203SMark.Logan@Sun.COM /* glue functions */
142*9203SMark.Logan@Sun.COM
handle_init(int index,const char * file)143*9203SMark.Logan@Sun.COM void glue::handle_init(int index, const char *file)
144*9203SMark.Logan@Sun.COM {
145*9203SMark.Logan@Sun.COM int i = index;
146*9203SMark.Logan@Sun.COM
147*9203SMark.Logan@Sun.COM if (!file) {
148*9203SMark.Logan@Sun.COM return;
149*9203SMark.Logan@Sun.COM }
150*9203SMark.Logan@Sun.COM printf("file:%s\n", file);
151*9203SMark.Logan@Sun.COM
152*9203SMark.Logan@Sun.COM funcs[i].handle = dlopen(file, RTLD_NOW);
153*9203SMark.Logan@Sun.COM if (!funcs[i].handle) {
154*9203SMark.Logan@Sun.COM printf("can't open:%s, %s\n", file, dlerror());
155*9203SMark.Logan@Sun.COM return;
156*9203SMark.Logan@Sun.COM }
157*9203SMark.Logan@Sun.COM
158*9203SMark.Logan@Sun.COM funcs[i].init_funcs = (lms_init_t)dlsym(funcs[i].handle,
159*9203SMark.Logan@Sun.COM LMS_INIT_FUNC_NAME);
160*9203SMark.Logan@Sun.COM if (!funcs[i].init_funcs) {
161*9203SMark.Logan@Sun.COM printf("dl error:%s\n", dlerror());
162*9203SMark.Logan@Sun.COM return;
163*9203SMark.Logan@Sun.COM }
164*9203SMark.Logan@Sun.COM
165*9203SMark.Logan@Sun.COM if (LMS_OK != funcs[i].init_funcs()) {
166*9203SMark.Logan@Sun.COM return;
167*9203SMark.Logan@Sun.COM }
168*9203SMark.Logan@Sun.COM
169*9203SMark.Logan@Sun.COM funcs[i].version_funcs = (lms_version_t)dlsym(funcs[i].handle,
170*9203SMark.Logan@Sun.COM LMS_VERSION_FUNC_NAME);
171*9203SMark.Logan@Sun.COM funcs[i].pre_funcs = (lms_pre_t)dlsym(funcs[i].handle,
172*9203SMark.Logan@Sun.COM LMS_PRE_FUNC_NAME);
173*9203SMark.Logan@Sun.COM funcs[i].retry_funcs = (lms_retry_t)dlsym(funcs[i].handle,
174*9203SMark.Logan@Sun.COM LMS_RETRY_FUNC_NAME);
175*9203SMark.Logan@Sun.COM funcs[i].post_funcs = (lms_post_t)dlsym(funcs[i].handle,
176*9203SMark.Logan@Sun.COM LMS_POST_FUNC_NAME);
177*9203SMark.Logan@Sun.COM funcs[i].deinit_funcs = (lms_deinit_t)dlsym(funcs[i].handle,
178*9203SMark.Logan@Sun.COM LMS_DEINIT_FUNC_NAME);
179*9203SMark.Logan@Sun.COM }
180*9203SMark.Logan@Sun.COM
mem_init(void)181*9203SMark.Logan@Sun.COM int glue::mem_init(void)
182*9203SMark.Logan@Sun.COM {
183*9203SMark.Logan@Sun.COM int i;
184*9203SMark.Logan@Sun.COM
185*9203SMark.Logan@Sun.COM funcs = new glue_funcs[cnt];
186*9203SMark.Logan@Sun.COM if (!funcs) {
187*9203SMark.Logan@Sun.COM return LMS_ERROR;
188*9203SMark.Logan@Sun.COM }
189*9203SMark.Logan@Sun.COM
190*9203SMark.Logan@Sun.COM for (i = 0;i < cnt; i++) {
191*9203SMark.Logan@Sun.COM funcs[i].handle = NULL;
192*9203SMark.Logan@Sun.COM funcs[i].init_funcs = NULL;
193*9203SMark.Logan@Sun.COM funcs[i].version_funcs = NULL;
194*9203SMark.Logan@Sun.COM funcs[i].pre_funcs = NULL;
195*9203SMark.Logan@Sun.COM funcs[i].retry_funcs = NULL;
196*9203SMark.Logan@Sun.COM funcs[i].post_funcs = NULL;
197*9203SMark.Logan@Sun.COM funcs[i].deinit_funcs = NULL;
198*9203SMark.Logan@Sun.COM }
199*9203SMark.Logan@Sun.COM
200*9203SMark.Logan@Sun.COM return LMS_OK;
201*9203SMark.Logan@Sun.COM }
202*9203SMark.Logan@Sun.COM
glue()203*9203SMark.Logan@Sun.COM glue::glue() : funcs(NULL)
204*9203SMark.Logan@Sun.COM {
205*9203SMark.Logan@Sun.COM }
206*9203SMark.Logan@Sun.COM
~glue()207*9203SMark.Logan@Sun.COM glue::~glue()
208*9203SMark.Logan@Sun.COM {
209*9203SMark.Logan@Sun.COM }
210*9203SMark.Logan@Sun.COM
211*9203SMark.Logan@Sun.COM
init(void)212*9203SMark.Logan@Sun.COM int glue::init(void)
213*9203SMark.Logan@Sun.COM {
214*9203SMark.Logan@Sun.COM FILE *fp;
215*9203SMark.Logan@Sun.COM parser_t cfg;
216*9203SMark.Logan@Sun.COM int i;
217*9203SMark.Logan@Sun.COM
218*9203SMark.Logan@Sun.COM parser_init(&cfg);
219*9203SMark.Logan@Sun.COM
220*9203SMark.Logan@Sun.COM fp = fopen(LMS_PLUGIN_CONFIG_FILE, "rb");
221*9203SMark.Logan@Sun.COM if ((!fp) || (parser_read(&cfg, fp) != 0)) {
222*9203SMark.Logan@Sun.COM cnt = 0;
223*9203SMark.Logan@Sun.COM if (fp) {
224*9203SMark.Logan@Sun.COM fclose(fp);
225*9203SMark.Logan@Sun.COM }
226*9203SMark.Logan@Sun.COM return LMS_OK;
227*9203SMark.Logan@Sun.COM }
228*9203SMark.Logan@Sun.COM
229*9203SMark.Logan@Sun.COM do {
230*9203SMark.Logan@Sun.COM cnt = parser_length(&cfg);
231*9203SMark.Logan@Sun.COM if (0 == cnt) {
232*9203SMark.Logan@Sun.COM break;
233*9203SMark.Logan@Sun.COM }
234*9203SMark.Logan@Sun.COM if (mem_init()) {
235*9203SMark.Logan@Sun.COM break;
236*9203SMark.Logan@Sun.COM }
237*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
238*9203SMark.Logan@Sun.COM handle_init(i, parser_get(&cfg, i));
239*9203SMark.Logan@Sun.COM }
240*9203SMark.Logan@Sun.COM } while (0);
241*9203SMark.Logan@Sun.COM
242*9203SMark.Logan@Sun.COM fclose(fp);
243*9203SMark.Logan@Sun.COM parser_free(&cfg);
244*9203SMark.Logan@Sun.COM return LMS_OK;
245*9203SMark.Logan@Sun.COM }
246*9203SMark.Logan@Sun.COM
deinit(void)247*9203SMark.Logan@Sun.COM void glue::deinit(void)
248*9203SMark.Logan@Sun.COM {
249*9203SMark.Logan@Sun.COM int i;
250*9203SMark.Logan@Sun.COM
251*9203SMark.Logan@Sun.COM if (!funcs) {
252*9203SMark.Logan@Sun.COM return;
253*9203SMark.Logan@Sun.COM }
254*9203SMark.Logan@Sun.COM
255*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
256*9203SMark.Logan@Sun.COM if (funcs[i].deinit_funcs) {
257*9203SMark.Logan@Sun.COM funcs[i].deinit_funcs();
258*9203SMark.Logan@Sun.COM }
259*9203SMark.Logan@Sun.COM if (funcs[i].handle) {
260*9203SMark.Logan@Sun.COM dlclose(funcs[i].handle);
261*9203SMark.Logan@Sun.COM }
262*9203SMark.Logan@Sun.COM }
263*9203SMark.Logan@Sun.COM
264*9203SMark.Logan@Sun.COM delete[] funcs;
265*9203SMark.Logan@Sun.COM }
266*9203SMark.Logan@Sun.COM
version(unsigned char version)267*9203SMark.Logan@Sun.COM void glue::version(unsigned char version)
268*9203SMark.Logan@Sun.COM {
269*9203SMark.Logan@Sun.COM int i;
270*9203SMark.Logan@Sun.COM
271*9203SMark.Logan@Sun.COM if (!funcs) {
272*9203SMark.Logan@Sun.COM return;
273*9203SMark.Logan@Sun.COM }
274*9203SMark.Logan@Sun.COM
275*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
276*9203SMark.Logan@Sun.COM if (!funcs[i].version_funcs) {
277*9203SMark.Logan@Sun.COM continue;
278*9203SMark.Logan@Sun.COM }
279*9203SMark.Logan@Sun.COM funcs[i].version_funcs(version);
280*9203SMark.Logan@Sun.COM }
281*9203SMark.Logan@Sun.COM }
282*9203SMark.Logan@Sun.COM
preprocess(unsigned char * buff,int len)283*9203SMark.Logan@Sun.COM int glue::preprocess(unsigned char *buff, int len)
284*9203SMark.Logan@Sun.COM {
285*9203SMark.Logan@Sun.COM int i;
286*9203SMark.Logan@Sun.COM int ret = LMS_ACCEPTED;
287*9203SMark.Logan@Sun.COM
288*9203SMark.Logan@Sun.COM if (!funcs) {
289*9203SMark.Logan@Sun.COM return ret;
290*9203SMark.Logan@Sun.COM }
291*9203SMark.Logan@Sun.COM
292*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
293*9203SMark.Logan@Sun.COM if (!funcs[i].pre_funcs) {
294*9203SMark.Logan@Sun.COM continue;
295*9203SMark.Logan@Sun.COM }
296*9203SMark.Logan@Sun.COM ret = funcs[i].pre_funcs(buff, len);
297*9203SMark.Logan@Sun.COM if (ret != LMS_ACCEPTED) {
298*9203SMark.Logan@Sun.COM return ret;
299*9203SMark.Logan@Sun.COM }
300*9203SMark.Logan@Sun.COM }
301*9203SMark.Logan@Sun.COM
302*9203SMark.Logan@Sun.COM return LMS_ACCEPTED;
303*9203SMark.Logan@Sun.COM }
304*9203SMark.Logan@Sun.COM
retry(unsigned char * buff,int len)305*9203SMark.Logan@Sun.COM int glue::retry(unsigned char *buff, int len)
306*9203SMark.Logan@Sun.COM {
307*9203SMark.Logan@Sun.COM int i;
308*9203SMark.Logan@Sun.COM int ret = LMS_ACCEPTED;
309*9203SMark.Logan@Sun.COM
310*9203SMark.Logan@Sun.COM if (!funcs) {
311*9203SMark.Logan@Sun.COM return ret;
312*9203SMark.Logan@Sun.COM }
313*9203SMark.Logan@Sun.COM
314*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
315*9203SMark.Logan@Sun.COM if (!funcs[i].retry_funcs) {
316*9203SMark.Logan@Sun.COM continue;
317*9203SMark.Logan@Sun.COM }
318*9203SMark.Logan@Sun.COM ret = funcs[i].retry_funcs(buff, len);
319*9203SMark.Logan@Sun.COM if (ret != LMS_ACCEPTED) {
320*9203SMark.Logan@Sun.COM return ret;
321*9203SMark.Logan@Sun.COM }
322*9203SMark.Logan@Sun.COM }
323*9203SMark.Logan@Sun.COM
324*9203SMark.Logan@Sun.COM return LMS_ACCEPTED;
325*9203SMark.Logan@Sun.COM }
326*9203SMark.Logan@Sun.COM
327*9203SMark.Logan@Sun.COM
postprocess(unsigned char * buff,int len,int status)328*9203SMark.Logan@Sun.COM int glue::postprocess(unsigned char *buff, int len, int status)
329*9203SMark.Logan@Sun.COM {
330*9203SMark.Logan@Sun.COM int i;
331*9203SMark.Logan@Sun.COM int ret = LMS_ACCEPTED;
332*9203SMark.Logan@Sun.COM
333*9203SMark.Logan@Sun.COM if (!funcs) {
334*9203SMark.Logan@Sun.COM return ret;
335*9203SMark.Logan@Sun.COM }
336*9203SMark.Logan@Sun.COM
337*9203SMark.Logan@Sun.COM for (i = 0; i < cnt; i++) {
338*9203SMark.Logan@Sun.COM if (!funcs[i].post_funcs) {
339*9203SMark.Logan@Sun.COM continue;
340*9203SMark.Logan@Sun.COM }
341*9203SMark.Logan@Sun.COM ret = funcs[i].post_funcs(buff, len, status);
342*9203SMark.Logan@Sun.COM if (ret != LMS_ACCEPTED) {
343*9203SMark.Logan@Sun.COM return ret;
344*9203SMark.Logan@Sun.COM }
345*9203SMark.Logan@Sun.COM }
346*9203SMark.Logan@Sun.COM
347*9203SMark.Logan@Sun.COM return LMS_ACCEPTED;
348*9203SMark.Logan@Sun.COM }
349*9203SMark.Logan@Sun.COM
350