static int getsock( char *dirc )
{
FILE *file; /* points to .glock */
int r = 0; /* return value */
file = serveropen( dirc, 0 ); /* open server */
if ( file == NULL ) return( GLOCK_ERROR_SERVERSTART );
r = makeconnection( file ); /* make connection */
if ( r < 0 ) { /* error */
file = serveropen( dirc, 1 );
if ( file == NULL ) return( GLOCK_ERROR_SERVERSTART );
r = makeconnection( file );
}
return( r ); /* we're done */
}
int main(int argc, char *argv[]){
//check for correct args
if(argc < 2){
printerror("Error to few arguments: ");
exit(EXIT_FAILURE);
}
int controlfd = makeconnection(argv[1], PORT_NUMBER);
char *command = (char*)calloc(MAX_COMMAND_SIZE, sizeof(char));
char *tokenize = (char*)calloc(MAX_COMMAND_SIZE, sizeof(char));
char *token = (char*)calloc(MAX_COMMAND_SIZE, sizeof(char));
char *delims = " \n\t";
while(1){
printf("mftp>");
fgets(command, sizeof(char) * MAX_COMMAND_SIZE, stdin);
if(!hasargs(command)){
continue;
}
memcpy(tokenize, command, sizeof(char) * MAX_COMMAND_SIZE);
token = strtok(tokenize, delims);
if(!strcmp(token, "ls")){
ls();
}else if(!strcmp(token, "rls")){
int portnum;
int rlssocket;
if((portnum = getportnum(controlfd)) < 0){
printerror("rls not executed due to error");
continue;
}
if((rlssocket = makeconnection(argv[1], portnum)) < 0){
printerror("rls not executed due to error");
continue;
}
rls(rlssocket, controlfd);
close(rlssocket);
}else if(!strcmp(token, "cd")){
token = strtok(NULL, delims);
cd(token);
}else if(!strcmp(token, "rcd")){
token = strtok(NULL, delims);
rcd(token, controlfd);
}else if(!strcmp(token, "get")){
int portnum;
int getsocket;
int filefd;
token = strtok(NULL, delims);
if(token == NULL){
printerror("Error expected parameter to get");
continue;
}
char *filenamedelims = "/";
char *filename = strtok(token, filenamedelims);
char *lastname = filename;
while((filename = strtok(NULL, filenamedelims)) != NULL){
lastname = filename;
}
if((filefd = open(lastname, O_CREAT | O_APPEND | O_EXCL | O_WRONLY, S_IRUSR
| S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH)) < 0){
perror("Error opening file");
continue;
}
if((portnum = getportnum(controlfd)) < 0){
printerror("get not executed due to error");
continue;
}
if((getsocket = makeconnection(argv[1], portnum)) < 0){
printerror("get not executed due to error");
continue;
}
get(token, filefd, getsocket, controlfd);
close(filefd);
close(getsocket);
}else if(!strcmp(token, "show")){
int portnum;
int showsocket;
token = strtok(NULL, delims);
if(token == NULL){
printerror("Error expected parameter to show");
continue;
}
if((portnum = getportnum(controlfd)) < 0){
printerror("show not executed due to error");
continue;
}
if((showsocket = makeconnection(argv[1], portnum)) < 0){
printerror("show not executed due to error");
continue;
}
show(token, showsocket, controlfd);
close(showsocket);
}else if(!strcmp(token, "put")){
int portnum;
int putsocket;
int filefd;
token = strtok(NULL, delims);
if(token == NULL){
printerror("Error expected parameter to put");
continue;
}
char *filenamedelims = "/";
char *filename = strtok(token, filenamedelims);
char *lastname = filename;
while((filename = strtok(NULL, filenamedelims)) != NULL){
lastname = filename;
}
if((filefd = open(token, O_RDONLY)) < 0){
perror("Error opening file");
continue;
}
if(isregular(token)){
if((portnum = getportnum(controlfd)) < 0){
printerror("put not executed due to error");
continue;
}
if((putsocket = makeconnection(argv[1], portnum)) < 0){
printerror("put not executed due to error");
continue;
}
put(lastname, filefd, putsocket, controlfd);
close(filefd);
close(putsocket);
}else{
close(filefd);
printerror("File not regular put not executed");
}
}else if(!strcmp(token, "exit")){
char *quit = "Q\n";
char buf[100];
write(controlfd, quit, sizeof(char) * 2);
read(controlfd, buf, 100);
close(controlfd);
exit(EXIT_SUCCESS);
}else{
printerror("Unknown command ignored");
}
}
}
