int PeiNew(pei **ppei, int prot_id)
{
if (ppei == NULL) {
return -1;
}
*ppei = DMemMalloc(sizeof(pei));
if (*ppei == NULL) {
return -1;
}
PeiInit(*ppei);
(*ppei)->prot_id = prot_id;
(*ppei)->time = time(NULL);
return 0;
}
static packet* IppDissector(packet *pkt)
{
http_msg *msg;
pei *ppei;
pei_component *cmpn;
int ind, fd;
unsigned char buff[IPP_BUFFER_SIZE];
char *pcl_file, *pdf_file;
char cmd[IPP_FILENAME_PATH_SIZE*2];
ssize_t len;
unsigned int offset;
ipp_ver ver;
FILE *pcl;
struct stat fst;
ppei = NULL;
/* display info */
msg = (http_msg *)pkt->data;
LogPrintf(LV_DEBUG, "IPP Dissector");
#ifdef XPL_CHECK_CODE
if (msg->serial == 0) {
LogPrintf(LV_FATAL, "IPP Dissector serial error");
exit(-1);
}
#endif
/* check if post and if PCL file */
if (msg->mtd != HTTP_MT_POST || msg->req_body_size == 0) {
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
return NULL;
}
/* open body file */
fd = open(msg->req_body_file, O_RDONLY);
if (fd == 0) {
LogPrintf(LV_ERROR, "Can't open file:%s", msg->req_body_file);
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
return NULL;
}
len = read(fd, buff, IPP_BUFFER_SIZE);
offset = 0;
/* IPP version */
if (buff[0] == 1) {
if (buff[1] == 0) {
ver = IPP_1_0;
}
else if (buff[1] == 1) {
ver = IPP_1_1;
}
else {
LogPrintf(LV_WARNING, "Unknow version: %u.%u", buff[0], buff[1]);
close(fd);
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
return NULL;
}
}
else {
LogPrintf(LV_WARNING, "Unknow version: %u.%u", buff[0], buff[1]);
close(fd);
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
return NULL;
}
offset += 2;
/* check if print job */
if (ntohs(*((unsigned short *)(buff+offset))) != PRINT_JOB) {
close(fd);
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
return NULL;
}
offset += 2;
offset += 4; /* skeep request id */
#warning "to improve"
offset = ParseAttributes(buff, offset, len); /* i hope that IPP_BUFFER_SIZE is alwayse correct */
/* create PCL file */
pcl_file = DMemMalloc(IPP_FILENAME_PATH_SIZE);
pdf_file = DMemMalloc(IPP_FILENAME_PATH_SIZE);
sprintf(pcl_file, "%s/%s/ipp_%lu_%p_%i.pcl", ProtTmpDir(), IPP_TMP_DIR,
time(NULL), msg, incr);
sprintf(pdf_file, "%s/%s/ipp_%lu_%p_%i.pdf", ProtTmpDir(), IPP_TMP_DIR,
time(NULL), msg, incr);
incr++;
pcl = fopen(pcl_file, "w+");
fwrite(buff+offset, 1, len-offset, pcl);
len = read(fd, buff, IPP_BUFFER_SIZE);
while (len != 0) {
fwrite(buff, 1, len, pcl);
len = read(fd, buff, IPP_BUFFER_SIZE);
}
fclose(pcl);
close(fd);
/* pdf conversion */
sprintf(cmd, "%s -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=%s %s", pcl6_path, pdf_file, pcl_file);
system(cmd);
fst.st_size = 0;
stat(pdf_file, &fst);
/* compose pei */
ppei = DMemMalloc(sizeof(pei));
PeiInit(ppei);
ppei->prot_id = prot_id;
ppei->serial = pkt->serial;
ppei->time_cap = pkt->cap_sec;
ppei->stack = ProtCopyFrame(pkt->stk, TRUE);
/* url */
ind = 0;
cmpn = DMemMalloc(sizeof(pei_component));
memset(cmpn, 0, sizeof(pei_component));
cmpn->eid = pei_url_id;
cmpn->id = ind;
cmpn->time_cap = msg->start_cap;
cmpn->time_cap_end = msg->end_cap;
cmpn->strbuf = msg->uri;
msg->uri = NULL;
ppei->components = cmpn;
/* pdf */
ind++;
cmpn->next = DMemMalloc(sizeof(pei_component));
cmpn = cmpn->next;
memset(cmpn, 0, sizeof(pei_component));
cmpn->eid = pei_pdffile_id;
cmpn->id = ind;
cmpn->time_cap = msg->start_cap;
cmpn->time_cap_end = msg->end_cap;
cmpn->file_path = pdf_file;
cmpn->file_size = fst.st_size;
if (msg->error)
cmpn->err = ELMT_ER_PARTIAL;
/* pcl */
ind++;
cmpn->next = DMemMalloc(sizeof(pei_component));
cmpn = cmpn->next;
memset(cmpn, 0, sizeof(pei_component));
cmpn->eid = pei_pclfile_id;
cmpn->id = ind;
cmpn->time_cap = msg->start_cap;
cmpn->time_cap_end = msg->end_cap;
cmpn->file_path = pcl_file;
cmpn->file_size = msg->req_body_size - offset;
if (msg->error)
cmpn->err = ELMT_ER_PARTIAL;
/* free memory */
HttpMsgRemove(msg);
HttpMsgFree(msg);
PktFree(pkt);
/* insert pei */
PeiIns(ppei);
return NULL;
}
