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@ -8,41 +8,41 @@
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#include <sys/types.h>
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#include <sys/types.h>
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#include <netdb.h>
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#include <netdb.h>
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const char *RHOST = "::ffff:172.31.251.3";
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#include "netspool.h"
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const char *RHOST = "172.31.251.3";
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const char *RPORT = "24555";
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const char *RPORT = "24555";
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#define STRBUF (1024)
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void readstr(int s, char *buf, int len) {
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int readstr(int s, char *buf, int len) {
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char c=0;
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char c=0;
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int r;
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int r;
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while(1) {
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while(1) {
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r=recv(s, &c, 1, 0);
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r=recv(s, &c, 1, 0);
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if(r==0){
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if(r==0){
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puts("remote socket shutdown");
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puts("remote socket shutdown");
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exit(-3);
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return -3;
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}
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}
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if(r==-1){
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if(r==-1){
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puts("error reading string");
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puts("error reading string");
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printf("%d %s\n", errno, strerror(errno));
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printf("%d %s\n", errno, strerror(errno));
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exit(-3);
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return -3;
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}
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}
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if(c=='\n') {
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if(c=='\n') {
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*buf=0;
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*buf=0;
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return;
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break;
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}
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}
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*buf++=c;
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*buf++=c;
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if(c=='\n')
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return;
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len--;
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len--;
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if(!len) {
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if(!len) {
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puts("string buffer overflow");
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puts("string buffer overflow");
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exit(-3);
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return -3;
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}
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}
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}
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}
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return 0;
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}
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}
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void sendstr(int s, const char *buf) {
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int sendstr(int s, const char *buf) {
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int l = strlen(buf);
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int l = strlen(buf);
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int c;
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int c;
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char nl='\n';
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char nl='\n';
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@ -51,11 +51,11 @@ void sendstr(int s, const char *buf) {
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if(c==-1){
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if(c==-1){
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puts("error sending string");
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puts("error sending string");
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printf("%d %s\n", errno, strerror(errno));
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printf("%d %s\n", errno, strerror(errno));
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exit(-3);
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return -3;
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}
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}
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if(c==0){
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if(c==0){
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puts("zero send: may loop infinitely");
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puts("zero send: may loop infinitely");
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exit(-3);
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return -3;
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}
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}
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l-=c;
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l-=c;
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}
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}
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@ -63,15 +63,132 @@ void sendstr(int s, const char *buf) {
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if(c==-1){
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if(c==-1){
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puts("error sending string");
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puts("error sending string");
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printf("%d %s\n", errno, strerror(errno));
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printf("%d %s\n", errno, strerror(errno));
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exit(-3);
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return -3;
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}
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}
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if(c==0){
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if(c==0){
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puts("zero send: may loop infinitely");
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puts("zero send: may loop infinitely");
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exit(-3);
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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 *address, 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_error(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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} 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\n"
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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"; }
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puts(strbuf);
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snprintf(strbuf, STRBUF, "ADDRESS %s", address);
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r = sendstr(s, strbuf);
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if( r ) { state->state = NS_ERROR; state->error = "IO error"; }
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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"; }
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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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int r = sendstr(state->socket, "GET ALL");
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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(s, 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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}
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if(strncmp(strbuf, "FILENAME ", 9)==0) {
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strcpy(filename, strbuf+9);
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puts(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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}
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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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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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/*
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void savefile(const char *fn, unsigned long long l, int s)
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void savefile(const char *fn, unsigned long long l, int s)
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{
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{
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char BUF[STRBUF];
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char BUF[STRBUF];
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@ -105,64 +222,15 @@ void savefile(const char *fn, unsigned long long l, int s)
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close(f);
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close(f);
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}
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}
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void main() {
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void main() {
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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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char filename[STRBUF];
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char filename[STRBUF];
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unsigned long long length;
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unsigned long long length;
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s = socket(AF_INET6, SOCK_STREAM, 0);
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memset(&hint, 0, sizeof(struct addrinfo));
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hint.ai_socktype = SOCK_STREAM;
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r = getaddrinfo(RHOST, RPORT, &hint, &addrs);
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if( r ) {
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puts(gai_strerror(r));
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exit(-1);
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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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} 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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if(r==-1) {
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printf("could not connect\n");
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exit(-2);
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}
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freeaddrinfo(addrs);
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readstr(s, strbuf, STRBUF);
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puts(strbuf);
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sendstr(s, "ADDRESS 2:111/11");
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sendstr(s, "PASSWORD 123");
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sendstr(s, "GET ALL");
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filename[0]=0;
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filename[0]=0;
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while(1) {
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while(1) {
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readstr(s, strbuf, STRBUF);
|
|
|
|
|
|
|
|
puts(strbuf);
|
|
|
|
|
|
|
|
if(strcmp(strbuf, "QUEUE EMPTY")==0) break;
|
|
|
|
|
|
|
|
if(strncmp(strbuf, "FILENAME ", 9)==0) {
|
|
|
|
|
|
|
|
strcpy(filename, strbuf+9);
|
|
|
|
|
|
|
|
puts(filename);
|
|
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if(strncmp(strbuf, "BINARY ", 7)==0) {
|
|
|
|
|
|
|
|
if(filename[0]==0) {
|
|
|
|
|
|
|
|
puts("no filename");
|
|
|
|
|
|
|
|
exit(-5);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
sscanf(strbuf+7, "%Lu", &length);
|
|
|
|
|
|
|
|
printf("length=%Lu\n", length);
|
|
|
|
|
|
|
|
savefile(filename, length, s);
|
|
|
|
savefile(filename, length, s);
|
|
|
|
sprintf(strbuf, "DONE %s", filename);
|
|
|
|
sprintf(strbuf, "DONE %s", filename);
|
|
|
|
sendstr(s, strbuf);
|
|
|
|
sendstr(s, strbuf);
|
|
|
@ -178,3 +246,4 @@ void main() {
|
|
|
|
close(s);
|
|
|
|
close(s);
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*/
|