653 lines
17 KiB
C
653 lines
17 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <fcntl.h>
|
|
#include <sys/file.h>
|
|
#include <time.h>
|
|
#include <arpa/inet.h>
|
|
#include "jamlib/jam.h"
|
|
|
|
char *baseindir = NULL;
|
|
char *baseoutdir = NULL;
|
|
|
|
char *config_file;
|
|
char *fido_addr;
|
|
|
|
int imhub = 0;
|
|
|
|
struct msgarea_t {
|
|
int id;
|
|
int hub;
|
|
char *basedir;
|
|
int *links;
|
|
int link_count;
|
|
};
|
|
|
|
struct msg_t {
|
|
int area;
|
|
char from[32];
|
|
char to[32];
|
|
char subject[64];
|
|
uint32_t timedate;
|
|
int oaddr;
|
|
int daddr;
|
|
int type;
|
|
char reply[36];
|
|
} __attribute__ ((packed));
|
|
|
|
struct msgarea_t **areas;
|
|
int area_count;
|
|
int mynode = 0;
|
|
int hubnode = 0;
|
|
|
|
void msg_to_hl(struct msg_t *msg) {
|
|
msg->area = ntohl(msg->area);
|
|
msg->timedate = ntohl(msg->timedate);
|
|
msg->oaddr = ntohl(msg->oaddr);
|
|
msg->daddr = ntohl(msg->daddr);
|
|
msg->type = ntohl(msg->type);
|
|
}
|
|
|
|
unsigned long generate_msgid() {
|
|
|
|
char buffer[1024];
|
|
time_t unixtime;
|
|
|
|
unsigned long msgid;
|
|
unsigned long lastid;
|
|
FILE *fptr;
|
|
|
|
snprintf(buffer, 1024, "msgserial");
|
|
|
|
unixtime = time(NULL);
|
|
|
|
fptr = fopen(buffer, "r+");
|
|
if (fptr) {
|
|
flock(fileno(fptr), LOCK_EX);
|
|
fread(&lastid, sizeof(unsigned long), 1, fptr);
|
|
|
|
if (unixtime > lastid) {
|
|
lastid = unixtime;
|
|
} else {
|
|
lastid++;
|
|
}
|
|
rewind(fptr);
|
|
fwrite(&lastid, sizeof(unsigned long), 1, fptr);
|
|
flock(fileno(fptr), LOCK_UN);
|
|
fclose(fptr);
|
|
} else {
|
|
fptr = fopen(buffer, "w");
|
|
if (fptr) {
|
|
lastid = unixtime;
|
|
flock(fileno(fptr), LOCK_EX);
|
|
fwrite(&lastid, sizeof(unsigned long), 1, fptr);
|
|
flock(fileno(fptr), LOCK_UN);
|
|
fclose(fptr);
|
|
} else {
|
|
lastid = unixtime;
|
|
}
|
|
}
|
|
sprintf(buffer, "%lX", lastid);
|
|
return strtoul(&buffer[strlen(buffer) - 8], NULL, 16);
|
|
}
|
|
|
|
int copy_file(char *src, char *dest) {
|
|
FILE *src_file;
|
|
FILE *dest_file;
|
|
|
|
char c;
|
|
|
|
src_file = fopen(src, "rb");
|
|
if (!src_file) {
|
|
return -1;
|
|
}
|
|
dest_file = fopen(dest, "wb");
|
|
if (!dest_file) {
|
|
fclose(src_file);
|
|
return -1;
|
|
}
|
|
|
|
while(1) {
|
|
c = fgetc(src_file);
|
|
if (!feof(src_file)) {
|
|
fputc(c, dest_file);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
fclose(src_file);
|
|
fclose(dest_file);
|
|
return 0;
|
|
}
|
|
|
|
s_JamBase *open_jam_base(char *path) {
|
|
int ret;
|
|
s_JamBase *jb;
|
|
|
|
ret = JAM_OpenMB((char *)path, &jb);
|
|
|
|
if (ret != 0) {
|
|
if (ret == JAM_IO_ERROR) {
|
|
free(jb);
|
|
ret = JAM_CreateMB((char *)path, 1, &jb);
|
|
if (ret != 0) {
|
|
free(jb);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
free(jb);
|
|
return NULL;
|
|
}
|
|
}
|
|
return jb;
|
|
}
|
|
|
|
size_t trimwhitespace(char *out, size_t len, const char *str) {
|
|
if(len == 0)
|
|
return 0;
|
|
|
|
const char *end;
|
|
size_t out_size;
|
|
|
|
// Trim leading space
|
|
while(isspace((unsigned char)*str)) str++;
|
|
|
|
if(*str == 0) {
|
|
*out = 0;
|
|
return 1;
|
|
}
|
|
|
|
// Trim trailing space
|
|
end = str + strlen(str) - 1;
|
|
while(end > str && isspace((unsigned char)*end)) end--;
|
|
end++;
|
|
|
|
// Set output size to minimum of trimmed string length and buffer size minus 1
|
|
out_size = (end - str) < len-1 ? (end - str) : len-1;
|
|
|
|
// Copy trimmed string and add null terminator
|
|
memcpy(out, str, out_size);
|
|
out[out_size] = 0;
|
|
|
|
return out_size;
|
|
}
|
|
|
|
int parse_config_file(char *filename) {
|
|
FILE *fptr;
|
|
char buffer[256];
|
|
char bufferw[256];
|
|
char *ptr;
|
|
struct msgarea_t *newarea;
|
|
|
|
area_count = 0;
|
|
|
|
fptr = fopen(filename, "r");
|
|
if (!fptr) {
|
|
return 0;
|
|
}
|
|
|
|
fgets(buffer, 256, fptr);
|
|
while (!feof(fptr)) {
|
|
if (buffer[0] != ';') {
|
|
if (buffer[strlen(buffer) - 1] == '\n'){
|
|
buffer[strlen(buffer) - 1] = '\0';
|
|
if (strncasecmp(buffer, "IMHUB", 5) == 0) {
|
|
trimwhitespace(bufferw, 256, &buffer[6]);
|
|
if (strcasecmp(bufferw, "TRUE") == 0) {
|
|
imhub = 1;
|
|
}
|
|
} else if (strncasecmp(buffer, "UPLINK", 6) == 0) {
|
|
trimwhitespace(bufferw, 256, &buffer[7]);
|
|
hubnode = atoi(bufferw);
|
|
} else if (strncasecmp(buffer, "INDIR", 5) == 0) {
|
|
trimwhitespace(bufferw, 256, &buffer[6]);
|
|
baseindir = strdup(bufferw);
|
|
} else if (strncasecmp(buffer, "OUTDIR", 6) == 0) {
|
|
trimwhitespace(bufferw, 256, &buffer[7]);
|
|
baseoutdir = strdup(bufferw);
|
|
} else if (strncasecmp(buffer, "MYNODE", 6) == 0) {
|
|
trimwhitespace(bufferw, 256, &buffer[7]);
|
|
mynode = atoi(bufferw);
|
|
} else if (strncasecmp(buffer, "MSGAREA", 7) == 0) {
|
|
newarea = NULL;
|
|
ptr = strtok(&buffer[8], ",");
|
|
|
|
if (ptr != NULL) {
|
|
newarea = (struct msgarea_t *)malloc(sizeof(struct msgarea_t));
|
|
trimwhitespace(bufferw, 256, ptr);
|
|
newarea->id = atoi(bufferw);
|
|
newarea->link_count = 0;
|
|
ptr = strtok(NULL, ",");
|
|
|
|
if (ptr != NULL) {
|
|
trimwhitespace(bufferw, 256, ptr);
|
|
newarea->hub = atoi(bufferw);
|
|
ptr = strtok(NULL, ",");
|
|
if (ptr != NULL) {
|
|
|
|
trimwhitespace(bufferw, 256, ptr);
|
|
newarea->basedir = strdup(bufferw);
|
|
ptr = strtok(NULL, ",");
|
|
while (ptr != NULL) {
|
|
trimwhitespace(bufferw, 256, ptr);
|
|
if (newarea->link_count == 0) {
|
|
newarea->links = (int *)malloc(sizeof(int));
|
|
} else {
|
|
newarea->links = (int *)realloc(newarea->links, sizeof(int) * (newarea->link_count + 1));
|
|
}
|
|
newarea->links[newarea->link_count] = atoi(bufferw);
|
|
newarea->link_count++;
|
|
ptr = strtok(NULL, ",");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (newarea != NULL) {
|
|
if (area_count == 0) {
|
|
areas = (struct msgarea_t **)malloc(sizeof(struct msgarea_t *));
|
|
} else {
|
|
areas = (struct msgarea_t **)realloc(areas, sizeof(struct msgarea_t *) * (area_count + 1));
|
|
}
|
|
areas[area_count] = newarea;
|
|
area_count++;
|
|
}
|
|
}
|
|
} else {
|
|
fclose(fptr);
|
|
return 0;
|
|
}
|
|
}
|
|
fgets(buffer, 256, fptr);
|
|
}
|
|
|
|
fclose(fptr);
|
|
return 1;
|
|
}
|
|
|
|
int isdupe(struct msg_t *msg, char *uuid) {
|
|
int areaid;
|
|
int i;
|
|
int z;
|
|
char buffer[PATH_MAX];
|
|
FILE *fptr;
|
|
|
|
for (i=0;i<area_count;i++) {
|
|
if (msg->area == areas[i]->id) {
|
|
areaid = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
snprintf(buffer, PATH_MAX, "%s.msgids", areas[areaid]->basedir);
|
|
|
|
fptr = fopen(buffer, "r");
|
|
if (!fptr) {
|
|
return 0;
|
|
}
|
|
|
|
fgets(buffer, 1024, fptr);
|
|
|
|
while (!feof(fptr)) {
|
|
if (strncasecmp(buffer, uuid, 36) == 0) {
|
|
fclose(fptr);
|
|
return 1;
|
|
}
|
|
fgets(buffer, 1024, fptr);
|
|
}
|
|
|
|
fclose(fptr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void update_config_file_area(int areaid) {
|
|
char backup[PATH_MAX];
|
|
char buffer[256];
|
|
char bufferc[256];
|
|
char bufferw[256];
|
|
FILE *fptr1;
|
|
FILE *fptr2;
|
|
char *ptr;
|
|
int id;
|
|
int i;
|
|
|
|
snprintf(backup, PATH_MAX, "%s.bak", config_file);
|
|
fptr1 = fopen(config_file, "r");
|
|
fptr2 = fopen(backup, "w");
|
|
|
|
fgets(buffer, 256, fptr1);
|
|
while (!feof(fptr1)) {
|
|
if (strncasecmp(buffer, "MSGAREA", 7) == 0) {
|
|
strcpy(bufferc, buffer);
|
|
ptr = strtok(&bufferc[8], ",");
|
|
if (ptr != NULL) {
|
|
trimwhitespace(bufferw, 256, ptr);
|
|
id = atoi(bufferw);
|
|
if (id == areas[areaid]->id) {
|
|
fprintf(fptr2, "MSGAREA %d, %d, %s", areas[areaid]->id, areas[areaid]->hub, areas[areaid]->basedir);
|
|
for (i=0;i<areas[areaid]->link_count;i++) {
|
|
fprintf(fptr2, ", %d", areas[areaid]->links[i]);
|
|
}
|
|
fprintf(fptr2, "\n");
|
|
} else {
|
|
fputs(buffer, fptr2);
|
|
}
|
|
}
|
|
} else {
|
|
fputs(buffer, fptr2);
|
|
}
|
|
fgets(buffer, 256, fptr1);
|
|
}
|
|
fclose(fptr1);
|
|
fclose(fptr2);
|
|
unlink(config_file);
|
|
rename(backup, config_file);
|
|
}
|
|
|
|
int import(char *filename) {
|
|
FILE *fptr;
|
|
char buffer[PATH_MAX];
|
|
char buffer2[PATH_MAX];
|
|
char uuid[37];
|
|
struct msg_t msg;
|
|
int ret;
|
|
int areaid;
|
|
struct stat st;
|
|
int z;
|
|
int i;
|
|
int j;
|
|
char *body;
|
|
s_JamBase *jb;
|
|
s_JamBaseHeader jbh;
|
|
s_JamMsgHeader jmh;
|
|
s_JamSubPacket* jsp;
|
|
s_JamSubfield jsf;
|
|
|
|
snprintf(buffer, PATH_MAX, "%s/%s", baseindir, filename);
|
|
strncpy(uuid, strchr(filename, '-') + 1, 36);
|
|
|
|
uuid[36] = '\0';
|
|
|
|
if (stat(buffer, &st) != 0) {
|
|
return 0;
|
|
}
|
|
|
|
fptr = fopen(buffer, "rb");
|
|
if (!fptr) {
|
|
return 0;
|
|
}
|
|
|
|
fread(&msg, sizeof(struct msg_t), 1, fptr);
|
|
|
|
msg_to_hl(&msg);
|
|
|
|
body = malloc(st.st_size - sizeof(struct msg_t) + 1 + strlen(fido_addr));
|
|
|
|
memset(body, 0, st.st_size - sizeof(struct msg_t) + 1 + strlen(fido_addr));
|
|
|
|
fread(body, st.st_size - sizeof(struct msg_t), 1, fptr);
|
|
|
|
fclose(fptr);
|
|
|
|
|
|
if (msg.daddr != mynode) {
|
|
if (imhub) {
|
|
snprintf(buffer2, PATH_MAX, "%s/%d/%s", baseoutdir, msg.daddr, filename);
|
|
copy_file(buffer, buffer2);
|
|
}
|
|
return 1;
|
|
} else {
|
|
for (i=0;i<area_count;i++) {
|
|
if (msg.area == areas[i]->id) {
|
|
areaid = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (areas[areaid]->hub == mynode) {
|
|
if (msg.type == 1) {
|
|
if (strncasecmp(body, "ADD", 3) == 0) {
|
|
for (i=0;i<areas[areaid]->link_count;i++) {
|
|
if (areas[areaid]->links[i] == msg.oaddr) {
|
|
// already subscribed
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (areas[areaid]->link_count == 0) {
|
|
areas[areaid]->links = (int *)malloc(sizeof(int));
|
|
} else {
|
|
areas[areaid]->links = (int *)realloc(areas[areaid]->links, sizeof(int) * (areas[areaid]->link_count + 1));
|
|
}
|
|
|
|
areas[areaid]->links[areas[areaid]->link_count] = msg.oaddr;
|
|
areas[areaid]->link_count++;
|
|
|
|
//
|
|
update_config_file_area(areaid);
|
|
|
|
} else if (strncasecmp(body, "REMOVE", 6) == 0) {
|
|
for (i=0;i<areas[areaid]->link_count;i++) {
|
|
if (areas[areaid]->links[i] == msg.oaddr) {
|
|
|
|
if (areas[areaid]->link_count == 1) {
|
|
free(areas[areaid]->links);
|
|
areas[areaid]->link_count = 0;
|
|
} else {
|
|
for (j=i;j<areas[areaid]->link_count-1;j++) {
|
|
areas[areaid]->links[j] = areas[areaid]->links[j+1];
|
|
}
|
|
|
|
areas[areaid]->links = (int *)realloc(areas[areaid]->links, sizeof(int) * (areas[areaid]->link_count - 1));
|
|
areas[areaid]->link_count--;
|
|
|
|
|
|
}
|
|
update_config_file_area(areaid);
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
for (i=0;i<areas[areaid]->link_count;i++) {
|
|
if (areas[areaid]->links[i] == msg.oaddr) {
|
|
continue;
|
|
}
|
|
|
|
if (imhub) {
|
|
snprintf(buffer2, PATH_MAX, "%s/%d/", baseoutdir, areas[areaid]->links[i]);
|
|
} else {
|
|
snprintf(buffer2, PATH_MAX, "%s/%d/", baseoutdir, hubnode);
|
|
}
|
|
if (stat(buffer2, &st) != 0) {
|
|
if (mkdir(buffer2, 0755) != 0) {
|
|
fprintf(stderr, "Error making directory %s\n", buffer2);
|
|
continue;
|
|
}
|
|
}
|
|
if (imhub) {
|
|
snprintf(buffer2, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, areas[areaid]->links[i], areas[areaid]->links[i], uuid);
|
|
} else {
|
|
snprintf(buffer2, PATH_MAX, "%s/%d/%d-%s.message", baseoutdir, hubnode, areas[areaid]->links[i], uuid);
|
|
}
|
|
copy_file(buffer, buffer2);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
ret = isdupe(&msg, uuid);
|
|
if (ret == -1) {
|
|
free(body);
|
|
fclose(fptr);
|
|
return 0;
|
|
} else if (ret == 1) {
|
|
free(body);
|
|
fclose(fptr);
|
|
return 1;
|
|
}
|
|
|
|
|
|
for (i=strlen(body) -2; i > 0; i--) {
|
|
if (body[i] == '\r') {
|
|
sprintf(buffer, "\r * Origin: mnet->ftn (%s)\r", fido_addr);
|
|
body = realloc(body, strlen(body) + strlen(buffer) + 1);
|
|
strcpy(&body[i], buffer);
|
|
break;
|
|
}
|
|
}
|
|
|
|
JAM_ClearMsgHeader(&jmh);
|
|
jmh.DateWritten = msg.timedate;
|
|
jmh.Attribute |= JAM_MSG_TYPEECHO;
|
|
jmh.Attribute |= JAM_MSG_LOCAL;
|
|
|
|
jsp = JAM_NewSubPacket();
|
|
|
|
jsf.LoID = JAMSFLD_SENDERNAME;
|
|
jsf.HiID = 0;
|
|
jsf.DatLen = strlen(msg.from);
|
|
jsf.Buffer = msg.from;
|
|
JAM_PutSubfield(jsp, &jsf);
|
|
|
|
jsf.LoID = JAMSFLD_RECVRNAME;
|
|
jsf.HiID = 0;
|
|
jsf.DatLen = strlen(msg.to);
|
|
jsf.Buffer = msg.to;
|
|
JAM_PutSubfield(jsp, &jsf);
|
|
|
|
jsf.LoID = JAMSFLD_SUBJECT;
|
|
jsf.HiID = 0;
|
|
jsf.DatLen = strlen(msg.subject);
|
|
jsf.Buffer = msg.subject;
|
|
JAM_PutSubfield(jsp, &jsf);
|
|
|
|
sprintf(buffer, "%s", fido_addr);
|
|
jsf.LoID = JAMSFLD_OADDRESS;
|
|
jsf.HiID = 0;
|
|
jsf.DatLen = strlen(buffer);
|
|
jsf.Buffer = buffer;
|
|
JAM_PutSubfield(jsp, &jsf);
|
|
|
|
sprintf(buffer, "%s %08lx", fido_addr, generate_msgid());
|
|
jsf.LoID = JAMSFLD_MSGID;
|
|
jsf.HiID = 0;
|
|
jsf.DatLen = strlen(buffer);
|
|
jsf.Buffer = buffer;
|
|
JAM_PutSubfield(jsp, &jsf);
|
|
|
|
jb = open_jam_base(areas[areaid]->basedir);
|
|
if (!jb) {
|
|
return 0;
|
|
}
|
|
while (1) {
|
|
z = JAM_LockMB(jb, 100);
|
|
if (z == 0) {
|
|
break;
|
|
} else if (z == JAM_LOCK_FAILED) {
|
|
sleep(1);
|
|
} else {
|
|
free(body);
|
|
JAM_DelSubPacket(jsp);
|
|
JAM_CloseMB(jb);
|
|
free(jb);
|
|
fprintf(stderr, "Error locking JAM base!\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
snprintf(buffer, PATH_MAX, "%s.msgids", areas[areaid]->basedir);
|
|
fptr = fopen(buffer, "a");
|
|
if (!fptr) {
|
|
fprintf(stderr, "Error writing msgid to base\n");
|
|
} else {
|
|
fputs(uuid, fptr);
|
|
fputc('\n', fptr);
|
|
fclose(fptr);
|
|
}
|
|
|
|
if (JAM_AddMessage(jb, &jmh, jsp, body, strlen(body))) {
|
|
JAM_UnlockMB(jb);
|
|
JAM_DelSubPacket(jsp);
|
|
JAM_CloseMB(jb);
|
|
free(jb);
|
|
fprintf(stderr, "Error Adding Message!\n");
|
|
free(body);
|
|
return 0;
|
|
}
|
|
JAM_UnlockMB(jb);
|
|
JAM_DelSubPacket(jsp);
|
|
JAM_CloseMB(jb);
|
|
free(jb);
|
|
|
|
free(body);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int i;
|
|
int l;
|
|
int processed = 0;
|
|
DIR *indir;
|
|
struct dirent *dent;
|
|
char buffer[PATH_MAX];
|
|
|
|
if (argc < 3) {
|
|
fprintf(stderr, "Usage ./mnettoftn mnetftn.cfg FTN_ADDR\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!parse_config_file(argv[1])) {
|
|
fprintf(stderr, "Error parsing config file: %s\n", argv[1]);
|
|
return -1;
|
|
}
|
|
|
|
config_file = argv[1];
|
|
fido_addr = argv[2];
|
|
|
|
if (baseoutdir == NULL) {
|
|
fprintf(stderr, "OUTDIR must be defined\n");
|
|
return -1;
|
|
}
|
|
|
|
if (baseindir == NULL) {
|
|
fprintf(stderr, "INDIR must be defined\n");
|
|
return -1;
|
|
}
|
|
|
|
printf("In Base Dir: %s\n", baseindir);
|
|
|
|
indir = opendir(baseindir);
|
|
if (!indir) {
|
|
fprintf(stderr, "Error opening inbound directory!\n");
|
|
return -1;
|
|
}
|
|
|
|
while ((dent = readdir(indir)) != NULL) {
|
|
if (strlen(dent->d_name) < 8) {
|
|
continue;
|
|
}
|
|
|
|
if (strcasecmp(&dent->d_name[strlen(dent->d_name) - 8], ".message") == 0) {
|
|
if (import(dent->d_name)) {
|
|
processed++;
|
|
snprintf(buffer, PATH_MAX, "%s/%s", baseindir, dent->d_name);
|
|
unlink(buffer);
|
|
rewinddir(indir);
|
|
}
|
|
}
|
|
}
|
|
closedir(indir);
|
|
|
|
printf("Processed %d Messages\n", processed);
|
|
return 0;
|
|
}
|