Max N. Boyarov
12 years ago
commit
9383985bf9
@ -0,0 +1,274 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netdb.h>
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#include "includes.h"
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#include "netspool.h"
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#ifdef NETSPOOL
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int readstr(int s, char *buf, int len) {
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char c=0;
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int r;
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while(1) {
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r=recv(s, &c, 1, 0);
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if(r==0){
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//puts("remote socket shutdown");
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return -3;
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}
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if(r==-1){
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//puts("error reading string");
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//printf("%d %s\n", errno, strerror(errno));
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return -3;
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}
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if(c=='\n') {
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*buf=0;
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break;
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}
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*buf++=c;
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len--;
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if(!len) {
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//puts("string buffer overflow");
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return -3;
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}
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}
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return 0;
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}
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int sendstr(int s, const char *buf) {
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int l = strlen(buf);
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int c;
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char nl='\n';
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while(l>0) {
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c=send(s, buf, l, 0);
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if(c==-1){
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//puts("error sending string");
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//printf("%d %s\n", errno, strerror(errno));
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return -3;
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}
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if(c==0){
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//puts("zero send: may loop infinitely");
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return -3;
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}
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l-=c;
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}
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c=send(s, &nl, 1, 0);
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if(c==-1){
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//puts("error sending string");
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//printf("%d %s\n", errno, strerror(errno));
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return -3;
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}
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if(c==0){
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//puts("zero send: may loop infinitely");
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return -3;
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}
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return 0;
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}
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void netspool_start(s_netspool_state *state, const char *host, const char *port, const char *addresses, const char *password)
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{
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int s, r;
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struct addrinfo hint;
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struct addrinfo *addrs, *a;
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char strbuf[STRBUF];
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s = socket(AF_INET6, SOCK_STREAM, 0);
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state->socket = s;
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if( s==-1 )
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{
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state->state = NS_ERROR;
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state->error = "socket error";
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return;
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}
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memset(&hint, 0, sizeof(struct addrinfo));
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hint.ai_socktype = SOCK_STREAM;
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hint.ai_family = PF_INET6;
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hint.ai_flags = AI_V4MAPPED;
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r = getaddrinfo(host, port!=NULL? port: "24555", &hint, &addrs);
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if( r ) {
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state->state = NS_ERROR;
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state->error = gai_strerror(r);
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return;
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}
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a=addrs;
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r=-1;
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while(a) {
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r = connect(s, a->ai_addr, a->ai_addrlen);
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if(r==-1) {
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//printf("%d %s\n", errno, strerror(errno));
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;
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} else {
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break;
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}
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a=a->ai_next;
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}
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freeaddrinfo(addrs);
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if(r==-1) {
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state->state = NS_ERROR;
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state->error = "could not connect";
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return;
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}
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r = readstr(s, strbuf, STRBUF);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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//puts(strbuf); -- hello from remote
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while (*addresses) { // stop when zero length string under pointer
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snprintf(strbuf, STRBUF, "ADDRESS %s", addresses);
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r = sendstr(s, strbuf);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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addresses += strlen(addresses)+1; // go to next string
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}
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snprintf(strbuf, STRBUF, "PASSWORD %s", password);
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r = sendstr(s, strbuf);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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state->state = NS_READY;
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}
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void netspool_query(s_netspool_state *state, const char *what)
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{
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char strbuf[STRBUF];
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int r;
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snprintf(strbuf, STRBUF, "GET %s", what); /* ALL or comma separated NETMAIL, ECHOMAIL... */
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r = sendstr(state->socket, strbuf);
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if( r ) {
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state->state = NS_ERROR;
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state->error = "IO error";
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return;
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}
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state->state = NS_RECEIVING;
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}
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void netspool_receive(s_netspool_state *state)
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{
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char strbuf[STRBUF];
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int r;
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r = readstr(state->socket, strbuf, STRBUF);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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//puts(strbuf);
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if(strcmp(strbuf, "QUEUE EMPTY")==0) {
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state->state = NS_READY;
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return;
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}
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if(strncmp(strbuf, "FILENAME ", 9)==0) {
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strcpy(state->filename, strbuf+9);
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//puts(state->filename);
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} else {
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state->state = NS_ERROR;
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state->error = "expected filename or queue empty";
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return;
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}
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r = readstr(state->socket, strbuf, STRBUF);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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if(strncmp(strbuf, "BINARY ", 7)==0) {
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/*if(filename[0]==0) {
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puts("no filename");
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exit(-5);
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} */
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sscanf(strbuf+7, "%Lu", &state->length);
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//printf("length=%Lu\n", state->length);
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state->state = NS_RECVFILE;
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} else {
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state->state = NS_ERROR;
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state->error = "expected binary";
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return;
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}
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}
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int netspool_read(s_netspool_state *state, void *buf, int buflen)
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{
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int n;
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if( state->length == 0 ) {
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//puts("everithing is read");
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return 0;
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}
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n = recv(state->socket, buf, state->length>buflen? buflen: state->length, 0);
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if(n==0) {
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state->state = NS_ERROR;
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state->error = "remote socket shutdown";
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return -1;
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}
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if(n==-1) {
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//puts("error reading data");
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//printf("%d %s\n", errno, strerror(errno));
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state->state = NS_ERROR;
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state->error = "IO error";
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return -1;
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}
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state->length -= n;
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return n;
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}
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void netspool_acknowledge(s_netspool_state *state)
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{
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char strbuf[STRBUF];
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int r;
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if( state->length > 0 ) {
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state->state = NS_ERROR;
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state->error = "Too early acknowledgement";
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return;
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}
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snprintf(strbuf, STRBUF, "DONE %s", state->filename);
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r = sendstr(state->socket, strbuf);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; return; }
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state->state = NS_RECEIVING;
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state->filename[0] = 0;
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}
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void netspool_end(s_netspool_state *state)
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{
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sendstr(state->socket, "END satisfied");
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close(state->socket);
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state->state = NS_NOTINIT;
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}
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/*
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void savefile(const char *fn, unsigned long long l, int s)
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{
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char BUF[STRBUF];
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int n, n1;
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int f;
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f=open(fn, O_CREAT|O_EXCL|O_WRONLY, 0664);
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if(f==-1) {
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puts("error open file");
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printf("%d %s\n", errno, strerror(errno));
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exit(-3);
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}
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while(l) {
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n1 = write(f, BUF, n);
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if(n1!=n) {
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puts("error writing file");
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printf("%d %s\n", errno, strerror(errno));
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exit(-3);
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}
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}
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close(f);
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}
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*/
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#endif
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -1,22 +0,0 @@
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/* Do you want debug code to be compiled? */
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#undef DEBUG
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/* Do you want use DCD line control? */
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#undef MODEM_WATCH_CARRIER
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/* Do you want hangup to watch for modem DCD line? */
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#undef MODEM_HANGUP_WATCH_CARRIER
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/* Version string */
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#undef RELEASE_VERSION
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/* Disable passwords logging? */
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#undef BFORCE_LOG_PASSWD
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/* Path to the UUCP lock files directory */
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#undef BFORCE_LOCK_DIR
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/* Do you want use .csy locks? */
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#undef BFORCE_USE_CSY
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@ -0,0 +1,47 @@
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/*
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* binkleyforce -- unix FTN mailer project
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*
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* Copyright (c) 1998-2000 Alexander Belkin, 2:5020/1398.11
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* $Id$
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*/
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#ifndef _NETSPOOL_H_
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#define _NETSPOOL_H_
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#define NS_NOTINIT (0)
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#define NS_UNCONF (1)
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#define NS_ERROR (2)
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#define NS_READY (3)
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#define NS_RECEIVING (4)
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#define NS_RECVFILE (5)
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#define STRBUF (1024)
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typedef struct {
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int state;
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const char *error;
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int socket;
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char filename[STRBUF];
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unsigned long long length;
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} s_netspool_state;
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/* create socket and start session */
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void netspool_start(s_netspool_state *state, const char *host, const char *port, const char *address, const char *password);
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/* request for outbound */
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void netspool_query(s_netspool_state *state, const char *what);
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/* receive next file */
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void netspool_receive(s_netspool_state *state);
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/* read data */
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int netspool_read(s_netspool_state *state, void *buf, int buflen);
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/* acknowledge successful file transmission */
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void netspool_acknowledge(s_netspool_state *state);
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/* end session */
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void netspool_end(s_netspool_state *state);
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#endif
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