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Added first command

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This commit is contained in:
Michiel Broek 2005-04-17 14:14:56 +00:00
parent 2597592b6d
commit 607f106244
2 changed files with 111 additions and 52 deletions
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161
mbtask/taskibc.c
View File

@ -45,14 +45,15 @@ ncs_list *ncsl = NULL; /* Neighbours list */
int ls; /* Listen socket */
struct sockaddr_in myaddr_in; /* Listen socket address */
struct sockaddr_in clientaddr_in; /* Remote socket address */
int changed = FALSE; /* Databases changed */
typedef enum {NCS_INIT, NCS_CALL, NCS_WAITPWD, NCS_CONNECT, NCS_HANGUP, NCS_FAIL} NCSTYPE;
typedef enum {NCS_INIT, NCS_CALL, NCS_WAITPWD, NCS_CONNECT, NCS_HANGUP, NCS_FAIL, NCS_DEAD} NCSTYPE;
static char *ncsstate[] = {
(char *)"init", (char *)"call", (char *)"waitpwd", (char *)"connect", (char *)"hangup", (char *)"fail"
(char *)"init", (char *)"call", (char *)"waitpwd", (char *)"connect",
(char *)"hangup", (char *)"fail", (char *)"dead"
};
@ -77,6 +78,8 @@ void fill_ncslist(ncs_list **fdp, char *server, char *myname, char *passwd)
tmp->remove = FALSE;
tmp->socket = -1;
tmp->token = 0;
tmp->gotpass = FALSE;
tmp->gotserver = FALSE;
if (*fdp == NULL) {
*fdp = tmp;
@ -97,14 +100,19 @@ void dump_ncslist(void)
ncs_list *tmp;
time_t now;
now = time(NULL);
Syslog('r', "Server State Del Next action");
Syslog('r', "--------------------------------------------------------------- ------ --- --------------");
if (!changed)
return;
now = time(NULL);
Syslog('r', "Server State Del Pwd Srv Next action");
Syslog('r', "------------------------------ ------- --- --- --- -----------");
for (tmp = ncsl; tmp; tmp = tmp->next) {
Syslog('r', "%-63s %-6s %s %d", tmp->server, ncsstate[tmp->state],
tmp->remove ? "yes":"no ", (int)tmp->action - (int)now);
Syslog('r', "%-30s %-7s %s %s %s %d", tmp->server, ncsstate[tmp->state],
tmp->remove ? "yes":"no ", tmp->gotpass ? "yes":"no ",
tmp->gotserver ? "yes":"no ", (int)tmp->action - (int)now);
}
changed = FALSE;
}
@ -139,7 +147,7 @@ void check_servers(void)
char *errmsg, scfgfn[PATH_MAX], buf[512];
FILE *fp;
ncs_list *tnsl;
int inlist, changed = FALSE;
int inlist;
time_t now;
int a1, a2, a3, a4;
struct servent *se;
@ -200,13 +208,11 @@ void check_servers(void)
scfg_time = file_time(scfgfn);
}
if (changed)
dump_ncslist();
dump_ncslist();
/*
* Check if we need to make state changes
*/
changed = FALSE;
now = time(NULL);
for (tnsl = ncsl; tnsl; tnsl = tnsl->next) {
if (((int)tnsl->action - (int)now) <= 0) {
@ -281,8 +287,96 @@ void check_servers(void)
}
}
if (changed)
dump_ncslist();
dump_ncslist();
}
void command_pass(char *hostname, char *parameters)
{
ncs_list *tnsl;
}
void receiver(struct servent *se)
{
struct pollfd pfd;
struct hostent *hp;
int rc, len, inlist;
socklen_t sl;
ncs_list *tnsl;
char buf[1024], resp[512], *hostname, *prefix, *command, *parameters;
pfd.fd = ls;
pfd.events = POLLIN;
pfd.revents = 0;
if ((rc = poll(&pfd, 1, 1000) < 0)) {
Syslog('r', "$poll/select failed");
return;
}
if (pfd.revents & POLLIN || pfd.revents & POLLERR || pfd.revents & POLLHUP || pfd.revents & POLLNVAL) {
sl = sizeof(myaddr_in);
memset(&clientaddr_in, 0, sizeof(struct sockaddr_in));
memset(&buf, 0, sizeof(buf));
if ((len = recvfrom(ls, &buf, sizeof(buf)-1, 0,(struct sockaddr *)&clientaddr_in, &sl)) != -1) {
hp = gethostbyaddr((char *)&clientaddr_in.sin_addr, sizeof(struct in_addr), clientaddr_in.sin_family);
if (hp == NULL)
hostname = inet_ntoa(clientaddr_in.sin_addr);
else
hostname = hp->h_name;
if ((buf[strlen(buf) -2] != '\r') && (buf[strlen(buf) -1] != '\n')) {
Syslog('r', "Message not terminated with CR-LF, dropped");
return;
}
inlist = FALSE;
for (tnsl = ncsl; tnsl; tnsl = tnsl->next) {
if (strcmp(tnsl->server, hostname) == 0) {
inlist = TRUE;
break;
}
}
if (!inlist) {
Syslog('!', "Message from unknown host (%s), dropped", hostname);
return;
}
buf[strlen(buf) -2] = '\0';
Syslog('r', "< %s: \"%s\"", hostname, printable(buf, 0));
/*
* Parse message
*/
if (buf[0] == ':') {
prefix = strtok(buf, " ");
command = strtok(NULL, " \0");
parameters = strtok(NULL, "\0");
} else {
prefix = NULL;
command = strtok(buf, " \0");
parameters = strtok(NULL, "\0");
}
Syslog('r', "prefix \"%s\"", printable(prefix, 0));
Syslog('r', "command \"%s\"", printable(command, 0));
Syslog('r', "parameters \"%s\"", printable(parameters, 0));
if (! strcmp(command, (char *)"PASS") && parameters) {
command_pass(hostname, parameters);
} else if (tnsl->state == NCS_CONNECT) {
/*
* Only if connected we send a error response
*/
sprintf(resp, "421 %s: Unknown command\r\n", command);
send_msg(tnsl->socket, tnsl->servaddr_in, tnsl->server, resp);
}
} else {
Syslog('r', "recvfrom returned len=%d", len);
}
}
}
@ -293,11 +387,6 @@ void check_servers(void)
void *ibc_thread(void *dummy)
{
struct servent *se;
struct pollfd pfd;
struct hostent *hp;
int rc, len;
socklen_t sl;
char buf[1024], *hostname;
Syslog('+', "Starting IBC thread");
@ -340,39 +429,7 @@ void *ibc_thread(void *dummy)
/*
* Get any incoming messages
*/
pfd.fd = ls;
pfd.events = POLLIN;
pfd.revents = 0;
if ((rc = poll(&pfd, 1, 1000) < 0)) {
Syslog('r', "$poll/select failed");
} else {
if (pfd.revents & POLLIN || pfd.revents & POLLERR || pfd.revents & POLLHUP || pfd.revents & POLLNVAL) {
sl = sizeof(myaddr_in);
memset(&clientaddr_in, 0, sizeof(struct sockaddr_in));
memset(&buf, 0, sizeof(buf));
if ((len = recvfrom(ls, &buf, sizeof(buf)-1, 0,(struct sockaddr *)&clientaddr_in, &sl)) != -1) {
hp = gethostbyaddr((char *)&clientaddr_in.sin_addr, sizeof(struct in_addr), clientaddr_in.sin_family);
if (hp == NULL)
hostname = inet_ntoa(clientaddr_in.sin_addr);
else
hostname = hp->h_name;
if ((buf[strlen(buf) -2] != '\r') && (buf[strlen(buf) -1] != '\n')) {
Syslog('r', "Message not terminated with CR-LF, dropped");
continue;
}
buf[strlen(buf) -2] = '\0';
Syslog('r', "< %s: \"%s\"", hostname, printable(buf, 0));
/*
* Parse message
*/
} else {
Syslog('r', "recvfrom returned len=%d", len);
}
}
}
receiver(se);
}
exit:

2
mbtask/taskibc.h
View File

@ -20,6 +20,8 @@ typedef struct _ncs_list {
int version; /* Protocol version of peer */
unsigned remove : 1; /* If entry must be removed */
unsigned compress : 1; /* User link compression */
unsigned gotpass : 1; /* Received valid password */
unsigned gotserver : 1; /* Received valid server */
struct sockaddr_in servaddr_in; /* Peer socketaddress */
int socket; /* Peer socket */
unsigned long token; /* Server token */