425 lines
14 KiB
C
425 lines
14 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include "libuuid/uuid.h"
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#include "jamlib/jam.h"
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char *baseoutdir = NULL;
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struct msgarea_t {
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int id;
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int hub;
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char *basedir;
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int *links;
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int link_count;
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};
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struct msg_t {
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uint32_t area;
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char from[32];
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char to[32];
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char subject[64];
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uint32_t timedate;
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uint32_t oaddr;
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uint32_t daddr;
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uint32_t type;
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char reply[36];
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} __attribute__ ((packed));
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struct msgarea_t **areas;
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int area_count;
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int mynode = 0;
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int hubnode = 0;
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int imhub = 0;
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void msg_to_nl(struct msg_t *msg) {
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msg->area = htonl(msg->area);
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msg->timedate = htonl(msg->timedate);
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msg->oaddr = htonl(msg->oaddr);
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msg->daddr = htonl(msg->daddr);
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msg->type = htonl(msg->type);
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}
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s_JamBase *open_jam_base(char *path) {
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int ret;
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s_JamBase *jb;
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ret = JAM_OpenMB((char *)path, &jb);
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if (ret != 0) {
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if (ret == JAM_IO_ERROR) {
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free(jb);
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ret = JAM_CreateMB((char *)path, 1, &jb);
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if (ret != 0) {
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free(jb);
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return NULL;
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}
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} else {
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free(jb);
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return NULL;
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}
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}
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return jb;
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}
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size_t trimwhitespace(char *out, size_t len, const char *str) {
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if(len == 0)
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return 0;
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const char *end;
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size_t out_size;
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// Trim leading space
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while(isspace((unsigned char)*str)) str++;
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if(*str == 0) {
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*out = 0;
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return 1;
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}
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// Trim trailing space
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end = str + strlen(str) - 1;
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while(end > str && isspace((unsigned char)*end)) end--;
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end++;
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// Set output size to minimum of trimmed string length and buffer size minus 1
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out_size = (end - str) < len-1 ? (end - str) : len-1;
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// Copy trimmed string and add null terminator
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memcpy(out, str, out_size);
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out[out_size] = 0;
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return out_size;
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}
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int parse_config_file(char *filename) {
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FILE *fptr;
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char buffer[256];
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char bufferw[256];
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char *ptr;
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struct msgarea_t *newarea;
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area_count = 0;
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fptr = fopen(filename, "r");
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if (!fptr) {
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return 0;
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}
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fgets(buffer, 256, fptr);
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while (!feof(fptr)) {
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if (buffer[0] != ';') {
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if (buffer[strlen(buffer) - 1] == '\n'){
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buffer[strlen(buffer) - 1] = '\0';
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if (strncasecmp(buffer, "MYNODE", 6) == 0) {
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trimwhitespace(bufferw, 256, &buffer[7]);
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mynode = atoi(bufferw);
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} else if (strncasecmp(buffer, "IMHUB", 5) == 0) {
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trimwhitespace(bufferw, 256, &buffer[6]);
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if (strcasecmp(bufferw, "TRUE") == 0) {
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imhub = 1;
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}
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} else if (strncasecmp(buffer, "UPLINK", 6) == 0) {
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trimwhitespace(bufferw, 256, &buffer[7]);
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hubnode = atoi(bufferw);
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} else if (strncasecmp(buffer, "OUTDIR", 6) == 0) {
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trimwhitespace(bufferw, 256, &buffer[7]);
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baseoutdir = strdup(bufferw);
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} else if (strncasecmp(buffer, "MSGAREA", 7) == 0) {
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newarea = NULL;
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ptr = strtok(&buffer[8], ",");
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if (ptr != NULL) {
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newarea = (struct msgarea_t *)malloc(sizeof(struct msgarea_t));
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trimwhitespace(bufferw, 256, ptr);
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newarea->id = atoi(bufferw);
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newarea->link_count = 0;
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ptr = strtok(NULL, ",");
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if (ptr != NULL) {
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trimwhitespace(bufferw, 256, ptr);
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newarea->hub = atoi(bufferw);
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ptr = strtok(NULL, ",");
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if (ptr != NULL) {
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trimwhitespace(bufferw, 256, ptr);
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newarea->basedir = strdup(bufferw);
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ptr = strtok(NULL, ",");
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while (ptr != NULL) {
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trimwhitespace(bufferw, 256, ptr);
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if (newarea->link_count == 0) {
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newarea->links = (int *)malloc(sizeof(int));
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} else {
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newarea->links = (int *)realloc(newarea->links, sizeof(int) * (newarea->link_count + 1));
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}
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newarea->links[newarea->link_count] = atoi(bufferw);
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newarea->link_count++;
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ptr = strtok(NULL, ",");
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}
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}
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}
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}
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if (newarea != NULL) {
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if (area_count == 0) {
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areas = (struct msgarea_t **)malloc(sizeof(struct msgarea_t *));
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} else {
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areas = (struct msgarea_t **)realloc(areas, sizeof(struct msgarea_t *) * (area_count + 1));
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}
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areas[area_count] = newarea;
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area_count++;
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}
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}
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} else {
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fclose(fptr);
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return 0;
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}
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}
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fgets(buffer, 256, fptr);
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}
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fclose(fptr);
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return 1;
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}
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int export_messages(int area) {
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s_JamBase *jb;
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s_JamBaseHeader jbh;
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s_JamMsgHeader jmh;
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s_JamSubPacket* jsp;
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FILE *fptr;
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char buffer[PATH_MAX];
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int i;
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int z;
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int len;
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int n;
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int scanned = 0;
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struct msg_t msg;
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char *body;
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struct stat st;
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uuid_t myuuid;
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char msgid[37];
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jb = open_jam_base(areas[area]->basedir);
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if (!jb) {
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return 0;
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}
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JAM_ReadMBHeader(jb, &jbh);
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if (jbh.ActiveMsgs > 0) {
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for (i=0;i<jbh.ActiveMsgs;i++) {
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memset(&msg, 0, sizeof(struct msg_t));
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memset(&jmh, 0, sizeof(s_JamMsgHeader));
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z = JAM_ReadMsgHeader(jb, i, &jmh, &jsp);
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if (z != 0) {
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continue;
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}
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if (jmh.Attribute & JAM_MSG_DELETED) {
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JAM_DelSubPacket(jsp);
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continue;
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}
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if (jmh.Attribute & JAM_MSG_LOCAL) {
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JAM_DelSubPacket(jsp);
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continue;
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} else {
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for (z=0;z<jsp->NumFields;z++) {
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if (jsp->Fields[z]->LoID == JAMSFLD_SUBJECT) {
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if (jsp->Fields[z]->DatLen > 63) {
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len = 64;
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} else {
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len = jsp->Fields[z]->DatLen;
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}
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memcpy(msg.subject, jsp->Fields[z]->Buffer, len);
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}
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if (jsp->Fields[z]->LoID == JAMSFLD_SENDERNAME) {
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if (jsp->Fields[z]->DatLen > 61) {
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len = 32;
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} else {
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len = jsp->Fields[z]->DatLen;
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}
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memcpy(msg.from, jsp->Fields[z]->Buffer, len);
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}
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if (jsp->Fields[z]->LoID == JAMSFLD_RECVRNAME) {
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if (jsp->Fields[z]->DatLen > 61) {
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len = 32;
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} else {
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len = jsp->Fields[z]->DatLen;
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}
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memcpy(msg.to, jsp->Fields[z]->Buffer, len);
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}
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}
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msg.oaddr = mynode;
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msg.timedate = jmh.DateWritten;
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body = (char *)malloc(jmh.TxtLen + 1);
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memset(body, 0, jmh.TxtLen + 1);
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JAM_ReadMsgText(jb, jmh.TxtOffset, jmh.TxtLen, (char *)body);
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jmh.Attribute |= JAM_MSG_LOCAL;
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memset(msgid, 0, 37);
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uuid_generate(myuuid);
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uuid_unparse_lower(myuuid, msgid);
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while (1) {
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z = JAM_LockMB(jb, 100);
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if (z == 0) {
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break;
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} else if (z == JAM_LOCK_FAILED) {
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sleep(1);
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} else {
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free(body);
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JAM_DelSubPacket(jsp);
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JAM_CloseMB(jb);
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free(jb);
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fprintf(stderr, "Error locking JAM base!\n");
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return scanned;
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}
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}
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n =JAM_ChangeMsgHeader(jb, i, &jmh);
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snprintf(buffer, PATH_MAX, "%s.msgids", areas[area]->basedir);
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fptr = fopen(buffer, "a");
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if (!fptr) {
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fprintf(stderr, "Error writing msgid to base\n");
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} else {
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fputs(msgid, fptr);
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fputc('\n', fptr);
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fclose(fptr);
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}
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if (n != 0) {
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fprintf(stderr, "Error updating message header %d %d\n", n, JAM_Errno(jb));
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}
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JAM_UnlockMB(jb);
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JAM_DelSubPacket(jsp);
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msg.area = areas[area]->id;
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msg.type = 0;
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for (i=strlen(body) -2; i > 0; i--) {
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if (body[i] == '\r') {
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sprintf(buffer, "\r * Origin: ftn->mnet (@%d)\r", mynode);
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body = realloc(body, strlen(body) + strlen(buffer) + 1);
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strcpy(&body[i], buffer);
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break;
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}
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}
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if (areas[area]->hub == mynode) {
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msg_to_nl(&msg);
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for (n = 0; n < areas[area]->link_count; n++) {
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if (imhub) {
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snprintf(buffer, PATH_MAX, "%s/%d/", baseoutdir, areas[area]->links[n]);
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} else {
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snprintf(buffer, PATH_MAX, "%s/%d/", baseoutdir, hubnode);
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}
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if (stat(buffer, &st) != 0) {
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if (mkdir(buffer, 0755) != 0) {
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fprintf(stderr, "Error making directory %s\n", buffer);
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continue;
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}
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}
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if (imhub) {
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snprintf(buffer, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, areas[area]->links[n], areas[area]->links[n], msgid);
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} else {
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snprintf(buffer, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, hubnode, areas[area]->links[n], msgid);
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}
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msg.daddr = htonl(areas[area]->links[n]);
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fptr = fopen(buffer, "wb");
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if (fptr == NULL) {
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fprintf(stderr, "Error creating file %s\n", buffer);
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continue;
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}
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fwrite(&msg, sizeof(struct msg_t), 1, fptr);
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fwrite(body, strlen(body), 1, fptr);
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fclose(fptr);
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}
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} else {
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if (imhub) {
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snprintf(buffer, PATH_MAX, "%s/%d/", baseoutdir, areas[area]->hub);
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} else {
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snprintf(buffer, PATH_MAX, "%s/%d/", baseoutdir, hubnode);
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}
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if (stat(buffer, &st) != 0) {
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if (mkdir(buffer, 0755) != 0) {
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fprintf(stderr, "Error making directory %s\n", buffer);
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continue;
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}
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}
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if (imhub) {
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snprintf(buffer, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, areas[area]->hub, areas[area]->hub, msgid);
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} else {
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snprintf(buffer, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, hubnode, areas[area]->hub, msgid);
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}
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msg.daddr = areas[area]->hub;
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fptr = fopen(buffer, "wb");
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if (fptr == NULL) {
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fprintf(stderr, "Error creating file %s\n", buffer);
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continue;
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}
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msg_to_nl(&msg);
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fwrite(&msg, sizeof(struct msg_t), 1, fptr);
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fwrite(body, strlen(body), 1, fptr);
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fclose(fptr);
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}
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scanned++;
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}
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}
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}
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JAM_CloseMB(jb);
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free(jb);
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return scanned;
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}
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int main(int argc, char **argv) {
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int i;
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int l;
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if (argc < 2) {
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fprintf(stderr, "Usage ./ftntomnet mnet.cfg\n");
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return -1;
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}
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if (!parse_config_file(argv[1])) {
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fprintf(stderr, "Error parsing config file: %s\n", argv[1]);
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return -1;
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}
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if (baseoutdir == NULL) {
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fprintf(stderr, "OUTDIR must be defined\n");
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return -1;
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}
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printf("Out Base Dir: %s\n", baseoutdir);
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for (i=0;i<area_count;i++) {
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printf("MsgArea: %d\n", areas[i]->id);
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printf(" - path %s\n", areas[i]->basedir);
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printf(" - links: ");
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for (l=0;l<areas[i]->link_count;l++) {
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printf("%d, ", areas[i]->links[l]);
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}
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printf("\n");
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printf("\nExported %d messages\n", export_messages(i));
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}
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return 0;
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} |