164 lines
4.2 KiB
C
164 lines
4.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <dirent.h>
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int main(int argc, char **argv)
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{
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const int port = 7332;
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struct sockaddr_in myaddr, endpoint;
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int sdsocket, sdconnection, addrlen, sdconnection2, n, rec;
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char odbior[512];
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struct dirent **namelist;
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char name_file[512];
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char names_files[512];
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sdsocket = socket(AF_INET, SOCK_STREAM, 0);
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addrlen = sizeof(struct sockaddr_in);
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myaddr.sin_family = AF_INET;
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myaddr.sin_port = htons(port);
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myaddr.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(sdsocket, (struct sockaddr *)&myaddr, addrlen) < 0)
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{
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printf("bind() nie powiodl sie (failed)\n");
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return 1;
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}
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if (listen(sdsocket, 10) < 0)
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{
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printf("listen() nie powiodl sie (failed)\n");
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return 1;
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}
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/*while ((sdconnection =
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accept(sdsocket,
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(struct sockaddr *)&endpoint,
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&addrlen)) >= 0)
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{
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printf("Connected\n");
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send(sdconnection, "CONNECT", 7, 0);
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close(sdconnection);
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break;
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}*/
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while (1)
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{
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while ((sdconnection =
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accept(sdsocket,
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(struct sockaddr *)&endpoint,
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&addrlen)) >= 0)
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{
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printf("CONNECT FROM : %s\n ", inet_ntoa(endpoint.sin_addr));
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bzero(odbior, 512);
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rec = recv(sdconnection, odbior, 512, 0);
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close(sdconnection);
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if (strncmp("GET_ALL_FILES", odbior, 13) == 0)
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{
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printf("Sending list of names files\n");
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bzero(names_files, 512);
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bzero(name_file, 512);
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n = scandir(".", &namelist, NULL, alphasort);
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if (n == -1)
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{
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perror("scandir");
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exit(EXIT_FAILURE);
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}
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while (n--)
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{
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sprintf(name_file, "%s\n", namelist[n]->d_name);
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strcat(names_files, name_file);
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free(namelist[n]);
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}
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free(namelist);
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while ((sdconnection2 =
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accept(sdsocket,
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(struct sockaddr *)&endpoint,
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&addrlen)) >= 0)
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{
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send(sdconnection2, names_files, 512, 0);
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close(sdconnection2);
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break;
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}
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}
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else if (strncmp("EXIT", odbior, 4) == 0)
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{
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printf("Server shut down..\n");
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close(sdsocket);
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return 0;
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}
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else if (strncmp("FTP", odbior, 3) == 0)
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{
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bzero(name_file, 512);
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strncpy (name_file, odbior+4, 509);
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printf("Plik do wyslania :%s\n", name_file);
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while ((sdconnection2 =
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accept(sdsocket,
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(struct sockaddr *)&endpoint,
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&addrlen)) >= 0)
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{
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send(sdconnection2, name_file, 512, 0);
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close(sdconnection2);
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break;
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}
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}
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else
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{
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printf("Wrong query\n %s nie istnieje\n", odbior);
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while ((sdconnection2 =
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accept(sdsocket,
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(struct sockaddr *)&endpoint,
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&addrlen)) >= 0)
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{
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send(sdconnection2, "wrong query", 512, 0);
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close(sdconnection2);
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break;
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}
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}
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}
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}
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close(sdsocket);
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return 0;
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}
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