/*
* TODO - sort output
*/
int
aliascmd(int argc, char **argv)
{
char *n, *v;
int ret = 0;
struct alias *ap;
if (argc == 1) {
int i;
for (i = 0; i < ATABSIZE; i++)
for (ap = atab[i]; ap; ap = ap->next) {
printalias(ap);
}
return (0);
}
while ((n = *++argv) != NULL) {
if ((v = strchr(n+1, '=')) == NULL) { /* n+1: funny ksh stuff */
if ((ap = *__lookupalias(n)) == NULL) {
outfmt(out2, "%s: %s not found\n", "alias", n);
ret = 1;
} else
printalias(ap);
} else {
*v++ = '\0';
setalias(n, v);
}
}
return (ret);
}
int
aliascmd(int argc, char **argv)
{
char *n, *v;
int ret = 0;
struct alias *ap;
if (argc == 1) {
printaliases();
return (0);
}
while ((n = *++argv) != NULL) {
if ((v = strchr(n+1, '=')) == NULL) /* n+1: funny ksh stuff */
if ((ap = lookupalias(n, 0)) == NULL) {
outfmt(out2, "alias: %s not found\n", n);
ret = 1;
} else
printalias(ap);
else {
*v++ = '\0';
setalias(n, v);
}
}
return (ret);
}
void login(struct USER *me) {
int recvd;
if(isconnected) {
fprintf(stderr, "Juz jestes zalogowany %s:%d\n", ipcon, portnom);
return;
}
sockfd = connect_with_server();
if(sockfd >= 0) {
isconnected = 1;
me->sockfd = sockfd;
if(strcmp(me->alias, "Anonymous")) setalias(me);
printf("Zalogowano jako %s\n", me->alias);
printf("Nasluchiwanie rozpoczete [%d]...\n", sockfd);
struct THREADINFO threadinfo;
pthread_create(&threadinfo.thread_ID, NULL, receiver, (void *)&threadinfo);
}
else {
fprintf(stderr, "Polaczenie odrzucone...\n");
}
}
/*
* TODO - sort output
*/
int
aliascmd(int argc, char **argv)
{
char *n, *v;
int ret = 0;
struct alias *ap;
if (argc == 1) {
int i;
for (i = 0; i < ATABSIZE; i++)
for (ap = atab[i]; ap; ap = ap->next) {
if (*ap->name != '\0') {
out1fmt("alias %s=", ap->name);
print_quoted(ap->val);
out1c('\n');
}
}
return (0);
}
while ((n = *++argv) != NULL) {
if ((v = strchr(n+1, '=')) == NULL) { /* n+1: funny ksh stuff */
if ((ap = lookupalias(n, 0)) == NULL) {
outfmt(out2, "alias: %s not found\n", n);
ret = 1;
} else {
out1fmt("alias %s=", n);
print_quoted(ap->val);
out1c('\n');
}
} else {
*v++ = '\0';
setalias(n, v);
}
}
return (ret);
}
int client(int argc, char *argv[]) {
int sockfd, aliaslen;
int portno = atoi(argv[2]);
portnom=portno;
ipcon = gethostbyname(argv[1]);
memset(&me, 0, sizeof(struct USER));
//Komendy
while(gets(option)) {
if(!strncmp(option, "exit", 4)) {
logout(&me);
break;
}
if(!strncmp(option, "help", 4)) {
FILE *fin = fopen("help.txt", "r");
if(fin != NULL) {
while(fgets(option, LINEBUFF-1, fin)) puts(option);
fclose(fin);
}
else {
fprintf(stderr, "Plik pomocy nie znaleziony...\n");
}
}
else if(!strncmp(option, "login", 5)) {
char *ptr = strtok(option, " ");
ptr = strtok(0, " ");
memset(me.alias, 0, sizeof(char) * ALIASLEN);
if(ptr != NULL) {
aliaslen = strlen(ptr);
if(aliaslen > ALIASLEN) ptr[ALIASLEN] = 0;
strcpy(me.alias, ptr);
}
else {
strcpy(me.alias, "Anonymous");
}
login(&me);
}
else if(!strncmp(option, "alias", 5)) {
char *ptr = strtok(option, " ");
ptr = strtok(0, " ");
memset(me.alias, 0, sizeof(char) * ALIASLEN);
if(ptr != NULL) {
aliaslen = strlen(ptr);
if(aliaslen > ALIASLEN) ptr[ALIASLEN] = 0;
strcpy(me.alias, ptr);
setalias(&me);
}
}
else if(!strncmp(option, "whisp", 5)) {
char *ptr = strtok(option, " ");
char temp[ALIASLEN];
ptr = strtok(0, " ");
memset(temp, 0, sizeof(char) * ALIASLEN);
if(ptr != NULL) {
aliaslen = strlen(ptr);
if(aliaslen > ALIASLEN) ptr[ALIASLEN] = 0;
strcpy(temp, ptr);
while(*ptr) ptr++; ptr++;
while(*ptr <= ' ') ptr++;
sendtoalias(&me, temp, ptr);
}
}
else if(!strncmp(option, "send", 4)) {
sendtoall(&me, &option[5]);
}
else if(!strncmp(option, "logout", 6)) {
logout(&me);
}
else fprintf(stderr, "Zla komenda...\n");
}
return 0;
}
void execute_cmd(void) {
currcmd = currcmd % MAXCMDS;
int curr = currcmd;
FILE *f;
if(comtab[curr].external == 0) {
// Built-in Command
aliasroot = NULL;
aliasDepth = 0;
switch(comtab[curr].code) {
case CHD : {
if( chdir(getHOME) ) {
printf("ERROR at line %d\n", __LINE__);
break;
}
setenv("PWD", getHOME, 1);
break;
}
case CDX : {
char* dest = cleanInput(comtab[curr].atptr[0]);
if( chdir(dest) == -1 ) {
printf("ERROR: \n%s is not a directory\n", dest);
}
char pwd[5000];
getcwd( pwd, sizeof(pwd) );
setenv("PWD", pwd, 1);
break;
}
case SETENV : {
char* name = cleanInput(comtab[curr].atptr[0]);
char* word = cleanInput(comtab[curr].atptr[1]);
if( setenv( name, word, 1 ) == -1 ) {
printf("setenv failed, could not set %s to %s\n", name, word );
}
break;
}
case UNSETENV : {
char* name = cleanInput(comtab[curr].atptr[0]);
if( getenv(name) ){
unsetenv(name);
} else {
printf("unsetenv failed, could not find %s\n", name);
}
break;
}
case PRINTENV : {
if(ofileredir) {
if(comtab[curr].append) {
f = fopen(comtab[curr].outfd, "a");
}
else {
f = fopen(comtab[curr].outfd, "w");
}
if(f == NULL)
return SYSERR;
}
else
print_env();
if(ofileredir)
fclose(f);
break;
}
case SETALIAS : {
char* name = cleanInput(comtab[curr].atptr[0]);
char* word = cleanInput(comtab[curr].atptr[1]);
setalias(name, word);
break;
}
case UNALIAS : {
char* name = cleanInput(comtab[curr].atptr[0]);
removealias(name);
break;
}
case PRINTALIAS : {
if(ofileredir) {
if(comtab[curr].append) {
f = fopen(comtab[curr].outfd, "a");
}
else {
f = fopen(comtab[curr].outfd, "w");
}
}
else
printalias();
if(ofileredir)
fclose(f);
break;
}
case PWD : {
printf("%s\n", getPWD);
break;
}
}
}
else {
// Handle aliasing
int acurr = isalias(comtab[curr].comname);
if(acurr != -1) {
comtab[curr].external = 0;
if(aliasroot == NULL) {
aliasroot = aliastab[acurr].alname;
}
// Check for infinite aliasing
if( aliasDepth > 30 ) {
printf("ERR: Infinite aliasing detected. Exiting...\n");
return;
}
else {
ignoreEOF = 1;
parse_string(aliastab[acurr].alstring);
aliasDepth++;
execute_cmd();
}
}
else {
// External Command
aliasroot = NULL;
aliasDepth = 0;
pid_t child = fork();
int stat;
int success = -1;
while(waitpid(child, &stat, 0) == -1) {
if(errno != EINTR) {
stat = -1;
break;
}
}
if(child < 0)
exit(1);
else if(child == 0) {
// Prepare for execv call
char tmp[256];
char *paths = strcpy(tmp, getenv("PATH"));
char *tok = strtok(paths, ":");
char *cmp = "./";
while(tok) {
char place[255];
if(comtab[curr].comname[0] == cmp[0] || comtab[curr].comname[0] == cmp[1]) {
// If destination is specified
strcpy(place, comtab[curr].comname);
}
else {
// If destination is not specified
strcpy(place, tok);
strcat(place, "/");
// Append command name
strcat(place, comtab[curr].comname);
}
char *cmds[comtab[curr].nargs + 2];
cmds[0] = place;
cmds[comtab[curr].nargs + 1] = (char *)NULL;
int i = 0;
for(i; i<comtab[curr].nargs; i++) {
cmds[i+1] = comtab[curr].atptr[i];
}
if(execv(place, cmds) == -1) {
tok = strtok(NULL, ":");
continue;
}
else {
_exit(0);
success = 1;
break;
}
}
if(success == -1) {
printf("ERR: Command not found: %s\n", comtab[curr].comname);
_exit(1);
}
}
}
}
currcmd += 1;
comtab[currcmd].external = 0;
ignoreEOF = 0;
}
