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magicka/utils/qwknet/qwktoss.c
2018-10-31 08:42:35 +10:00

580 lines
15 KiB
C

#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <limits.h>
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
#include <fts.h>
#include <errno.h>
#include "qwk.h"
#include "../../deps/jamlib/jam.h"
#include "../../src/inih/ini.h"
char *inbound_path;
char *message_base_path;
char *temp_dir;
char *unpack_cmd;
char *config_file;
int bases_exists = 0;
struct msg_bases {
int baseno;
char *path;
};
struct header_t {
char *key;
char *value;
};
struct msg_headers_t {
long offset;
struct header_t **headers;
int header_count;
};
struct msg_headers_t **msg_headers;
int msg_count = 0;
struct msg_bases **msgbases;
int msgbasecount = 0;
int recursive_delete(const char *dir) {
int ret = 0;
FTS *ftsp = NULL;
FTSENT *curr;
char *files[] = { (char *) dir, NULL };
ftsp = fts_open(files, FTS_NOCHDIR | FTS_PHYSICAL | FTS_XDEV, NULL);
if (!ftsp) {
fprintf(stderr, "%s: fts_open failed: %s\n", dir, strerror(errno));
ret = -1;
goto finish;
}
while ((curr = fts_read(ftsp))) {
switch (curr->fts_info) {
case FTS_NS:
case FTS_DNR:
case FTS_ERR:
fprintf(stderr, "%s: fts_read error: %s\n", curr->fts_accpath, strerror(curr->fts_errno));
break;
case FTS_DC:
case FTS_DOT:
case FTS_NSOK:
break;
case FTS_D:
break;
case FTS_DP:
case FTS_F:
case FTS_SL:
case FTS_SLNONE:
case FTS_DEFAULT:
if (remove(curr->fts_accpath) < 0) {
fprintf(stderr, "%s: Failed to remove: %s", curr->fts_path, strerror(errno));
ret = -1;
}
break;
}
}
finish:
if (ftsp) {
fts_close(ftsp);
}
return ret;
}
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;
}
static char *get_key_value(struct msg_headers_t *header, char *key) {
if (header == NULL) return NULL;
for (int i=0;i<header->header_count;i++) {
if (strcmp(key, header->headers[i]->key) == 0) {
fprintf(stderr, "%s\n", header->headers[i]->value);
return header->headers[i]->value;
}
}
return NULL;
}
static struct msg_headers_t *get_header(long offset) {
for (int i=0;i<msg_count;i++) {
if (msg_headers[i]->offset == offset) {
return msg_headers[i];
}
}
return NULL;
}
static int header_handler(void* user, const char* section, const char* name,
const char* value)
{
for (int i=0;i<msg_count;i++) {
if (msg_headers[i]->offset == strtol(section, NULL, 16)) {
msg_headers[i]->headers = (struct header_t **)realloc(msg_headers[i]->headers, sizeof(struct header_t *) * (msg_headers[i]->header_count + 1));
msg_headers[i]->headers[msg_headers[i]->header_count] = (struct header_t *)malloc(sizeof(struct header_t));
msg_headers[i]->headers[msg_headers[i]->header_count]->key = strdup(name);
msg_headers[i]->headers[msg_headers[i]->header_count]->value = strdup(value);
msg_headers[i]->header_count++;
return 1;
}
}
if (msg_count == 0) {
msg_headers = (struct msg_headers_t **)malloc(sizeof(struct msg_headers_t *));
} else {
msg_headers = (struct msg_headers_t **)realloc(msg_headers, sizeof(struct msg_headers_t *) * (msg_count + 1));
}
msg_headers[msg_count] = (struct msg_headers_t *)malloc(sizeof(struct msg_headers_t));
msg_headers[msg_count]->offset = strtol(section, NULL, 16);
msg_headers[msg_count]->header_count = 1;
msg_headers[msg_count]->headers = (struct header_t **)malloc(sizeof(struct header_t *));
msg_headers[msg_count]->headers[0] = (struct header_t *)malloc(sizeof(struct header_t));
msg_headers[msg_count]->headers[0]->key = strdup(name);
msg_headers[msg_count]->headers[0]->value = strdup(value);
msg_count++;
return 1;
}
static int handler(void* user, const char* section, const char* name,
const char* value)
{
if (strcasecmp(section, "main") == 0) {
if (strcasecmp(name, "message path") == 0) {
message_base_path = strdup(value);
} else if (strcasecmp(name, "inbound") == 0) {
inbound_path = strdup(value);
} else if (strcasecmp(name, "temp dir") == 0) {
temp_dir = strdup(value);
} else if (strcasecmp(name, "unpack command") == 0) {
unpack_cmd = strdup(value);
}
} else if (strcasecmp(section, "bases") == 0) {
bases_exists = 1;
if (msgbasecount == 0) {
msgbases = (struct msg_bases **)malloc(sizeof(struct msg_bases *));
} else {
msgbases = (struct msg_bases **)realloc(msgbases, sizeof(struct msg_bases *) * (msgbasecount + 1));
}
msgbases[msgbasecount] = (struct msg_bases *)malloc(sizeof(struct msg_bases));
msgbases[msgbasecount]->baseno = atoi(name);
msgbases[msgbasecount]->path = strdup(value);
msgbasecount++;
}
return 1;
}
size_t trimwhitespace(char *out, size_t len, const char *str) {
if(len == 0)
return 0;
const char *end;
size_t out_size;
// 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 process_msgs_dat(char *msgsdat) {
FILE *fptr;
FILE *cfgfptr;
char buffer[PATH_MAX];
char headerfile[PATH_MAX];
struct QwkHeader qhdr;
int msgrecs;
char *msgbody;
char mbuf[129];
int i;
time_t msgdate;
struct tm thedate;
int year;
char msgto[26];
char msgfrom[26];
char msgsubj[26];
unsigned int msgconf;
s_JamBase *jb;
s_JamMsgHeader jmh;
s_JamSubPacket* jsp;
s_JamSubfield jsf;
int z;
int basefound = 0;
long offset;
char *ptr;
struct msg_headers_t *header = NULL;
snprintf(headerfile, PATH_MAX, "%s/HEADERS.DAT", temp_dir);
ini_parse(headerfile, header_handler, NULL);
snprintf(buffer, PATH_MAX, "%s/%s", temp_dir, msgsdat);
fptr = fopen(buffer, "rb");
if (!fptr) {
return -1;
}
fread(&qhdr, sizeof(struct QwkHeader), 1, fptr);
while (!feof(fptr)) {
offset = ftell(fptr);
header = get_header(offset);
if (fread(&qhdr, sizeof(struct QwkHeader), 1, fptr) != 1) {
break;
}
msgrecs = atoi(qhdr.Msgrecs);
msgbody = (char *)malloc((msgrecs * 128) + 1);
memset(msgbody, 0, (msgrecs * 128) + 1);
for (i=1;i<msgrecs;i++) {
fread(mbuf, 1, 128, fptr);
if (i == msgrecs - 1) {
trimwhitespace(msgbody + ((i-1) * 128), 128, mbuf);
} else {
memcpy(msgbody + ((i-1) * 128), mbuf, 128);
}
}
for (i = 0; i < strlen(msgbody); i++) {
if (msgbody[i] == '\xe3') {
msgbody[i] = '\r';
}
}
memset(&thedate, 0, sizeof(struct tm));
thedate.tm_mday = (qhdr.Msgdate[3] - '0') * 10 + (qhdr.Msgdate[4] - '0');
thedate.tm_mon = ((qhdr.Msgdate[0] - '0') * 10 + (qhdr.Msgdate[1] - '0')) - 1;
year = (qhdr.Msgdate[6] - '0') * 10 + (qhdr.Msgdate[7] - '0');
if (year < 80) {
year += 100;
}
thedate.tm_year = year;
thedate.tm_hour = (qhdr.Msgtime[0] -'0') * 10 + (qhdr.Msgtime[1] - '0');
thedate.tm_min = (qhdr.Msgtime[3] -'0') * 10 + (qhdr.Msgtime[4] - '0');
msgdate = mktime(&thedate);
memset(buffer, 0, PATH_MAX);
memset(msgto, 0, 26);
strncpy(buffer, qhdr.MsgTo, 25);
trimwhitespace(msgto, 25, buffer);
memset(buffer, 0, PATH_MAX);
memset(msgfrom, 0, 26);
strncpy(buffer, qhdr.MsgFrom, 25);
trimwhitespace(msgfrom, 25, buffer);
memset(buffer, 0, PATH_MAX);
memset(msgsubj, 0, 26);
strncpy(buffer, qhdr.MsgSubj, 25);
trimwhitespace(msgsubj, 25, buffer);
msgconf = ((qhdr.Msgareahi & 0xff) << 8) | qhdr.Msgarealo;
basefound = 0;
for (i=0;i<msgbasecount;i++) {
if (msgbases[i]->baseno == msgconf) {
basefound = 1;
snprintf(buffer, PATH_MAX, "%s/%s", message_base_path, msgbases[i]->path);
break;
}
}
if (!basefound) {
cfgfptr = fopen(config_file, "a");
if (!bases_exists) {
fprintf(cfgfptr, "[bases]\n");
bases_exists = 1;
}
fprintf(cfgfptr, "%d = %d\n", msgconf, msgconf);
fclose(cfgfptr);
if (msgbasecount == 0) {
msgbases = (struct msg_bases **)malloc(sizeof(struct msg_bases *));
} else {
msgbases = (struct msg_bases **)realloc(msgbases, sizeof(struct msg_bases *) * (msgbasecount + 1));
}
msgbases[msgbasecount] = (struct msg_bases *)malloc(sizeof(struct msg_bases));
msgbases[msgbasecount]->baseno = msgconf;
snprintf(buffer, PATH_MAX, "%d", msgconf);
msgbases[msgbasecount]->path = strdup(buffer);
msgbasecount++;
snprintf(buffer, PATH_MAX, "%s/%d", message_base_path, msgconf);
}
jb = open_jam_base(buffer);
if (!jb) {
fprintf(stderr, "Unable to open JAM base: %s\n", buffer);
free(msgbody);
fclose(fptr);
return -1;
}
JAM_ClearMsgHeader( &jmh );
jmh.DateWritten = msgdate;
jsp = JAM_NewSubPacket();
jsf.LoID = JAMSFLD_SENDERNAME;
jsf.HiID = 0;
ptr = get_key_value(header, "Sender");
if (ptr != NULL) {
jsf.DatLen = strlen(ptr);
jsf.Buffer = ptr;
} else {
jsf.DatLen = strlen(msgfrom);
jsf.Buffer = (char *)msgfrom;
}
JAM_PutSubfield(jsp, &jsf);
jsf.LoID = JAMSFLD_RECVRNAME;
jsf.HiID = 0;
ptr = get_key_value(header, "To");
if (ptr != NULL) {
jsf.DatLen = strlen(ptr);
jsf.Buffer = (char *)ptr;
} else {
jsf.DatLen = strlen(msgto);
jsf.Buffer = (char *)msgto;
}
JAM_PutSubfield(jsp, &jsf);
jsf.LoID = JAMSFLD_SUBJECT;
jsf.HiID = 0;
ptr = get_key_value(header, "Subject");
if (ptr != NULL) {
jsf.DatLen = strlen(ptr);
jsf.Buffer = (char *)ptr;
} else {
jsf.DatLen = strlen(msgsubj);
jsf.Buffer = (char *)msgsubj;
}
JAM_PutSubfield(jsp, &jsf);
ptr = get_key_value(header, "Message-ID");
if (ptr != NULL) {
jsf.LoID = JAMSFLD_MSGID;
jsf.HiID = 0;
jsf.DatLen = strlen(ptr);
jsf.Buffer = (char *)ptr;
JAM_PutSubfield(jsp, &jsf);
}
ptr = get_key_value(header, "In-Reply-To");
if (ptr != NULL) {
jsf.LoID = JAMSFLD_REPLYID;
jsf.HiID = 0;
jsf.DatLen = strlen(ptr);
jsf.Buffer = (char *)ptr;
JAM_PutSubfield(jsp, &jsf);
}
jmh.Attribute |= JAM_MSG_TYPEECHO;
while (1) {
z = JAM_LockMB(jb, 100);
if (z == 0) {
break;
} else if (z == JAM_LOCK_FAILED) {
sleep(1);
} else {
fprintf(stderr, "Failed to lock msg base!\n");
fclose(fptr);
JAM_CloseMB(jb);
free(jb);
free(msgbody);
return 1;
}
}
if (JAM_AddMessage(jb, &jmh, jsp, (char *)msgbody, strlen(msgbody))) {
fprintf(stderr, "Failed to add message\n");
JAM_UnlockMB(jb);
JAM_DelSubPacket(jsp);
JAM_CloseMB(jb);
free(jb);
free(msgbody);
fclose(fptr);
return -1;
} else {
JAM_UnlockMB(jb);
JAM_DelSubPacket(jsp);
JAM_CloseMB(jb);
free(jb);
free(msgbody);
}
}
fclose(fptr);
return 0;
}
int process_qwk_file(char *qwkfile) {
// unpack file
int i;
char buffer[PATH_MAX];
int bpos = 0;
struct stat st;
int ret;
DIR *tmpb;
struct dirent *dent;
for (i=0;i<strlen(unpack_cmd);i++) {
if (unpack_cmd[i] == '*') {
i++;
if (unpack_cmd[i] == 'a') {
sprintf(&buffer[bpos], "%s/%s", inbound_path, qwkfile);
bpos = strlen(buffer);
} else if (unpack_cmd[i] == 'd') {
sprintf(&buffer[bpos], "%s", temp_dir);
bpos = strlen(buffer);
} else if (unpack_cmd[i] == '*') {
buffer[bpos++] = '*';
buffer[bpos] = '\0';
}
} else {
buffer[bpos++] = unpack_cmd[i];
buffer[bpos] = '\0';
}
}
// check if tempdir exists
if (stat(temp_dir, &st) == 0) {
fprintf(stderr, "Temp Path exists! Please delete it first\n");
return -1;
}
mkdir(temp_dir, 0755);
ret = system(buffer);
if (ret == -1 || ret >> 8 == 127) {
return -1;
}
// process NDXs
tmpb = opendir(temp_dir);
if (!tmpb) {
fprintf(stderr, "Error opening temp directory\n");
return -1;
}
while ((dent = readdir(tmpb)) != NULL) {
if (strcasecmp(dent->d_name, "messages.dat") == 0) {
// process tic file
ret = process_msgs_dat(dent->d_name);
}
}
closedir(tmpb);
// delete temp dir
recursive_delete(temp_dir);
snprintf(buffer, PATH_MAX, "%s/%s", inbound_path, qwkfile);
remove(buffer);
return ret;
}
int main(int argc, char **argv) {
// read ini file
DIR *inb;
struct dirent *dent;
message_base_path = NULL;
inbound_path = NULL;
temp_dir = NULL;
if (argc < 2) {
fprintf(stderr, "Usage:\n ./qwktoss config.ini\n");
return -1;
}
config_file = argv[1];
if (ini_parse(config_file, handler, NULL) <0) {
fprintf(stderr, "Unable to load configuration ini (%s)!\n", config_file);
exit(-1);
}
if (temp_dir == NULL || message_base_path == NULL || inbound_path == NULL) {
fprintf(stderr, "Message Base Path and Inbound Path must be set\n");
exit(-1);
}
// scan for QWK files
inb = opendir(inbound_path);
if (!inb) {
fprintf(stderr, "Error opening inbound directory\n");
return -1;
}
while ((dent = readdir(inb)) != NULL) {
if (dent->d_name[strlen(dent->d_name) - 4] == '.' &&
tolower(dent->d_name[strlen(dent->d_name) - 3]) == 'q' &&
tolower(dent->d_name[strlen(dent->d_name) - 2]) == 'w' &&
tolower(dent->d_name[strlen(dent->d_name) - 1]) == 'k'
) {
// process qwk file
fprintf(stderr, "Processing QWK file %s\n", dent->d_name);
if (process_qwk_file(dent->d_name) != -1) {
rewinddir(inb);
}
}
}
closedir(inb);
return 0;
}