X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fivac.git;a=blobdiff_plain;f=src%2Fivac.c;h=43b7ef6545f23cc5826ae92ffd8971de08093ce1;hp=70d1a35c234809708086d60c423e6a2c9c68b587;hb=eb0f685570bbc4e1f0f97d6d1bad5a905a1e036f;hpb=8a6fa2a921c79c007f3203aab1388fe2f0620eda

diff --git a/src/ivac.c b/src/ivac.c
index 70d1a35..43b7ef6 100644
--- a/src/ivac.c
+++ b/src/ivac.c
@@ -21,6 +21,8 @@
  *
  */
 
+// #define USE_NCURSES
+
 #include "ivac.h"
 
 int main(int argc,char **argv) {
@@ -28,9 +30,21 @@ int main(int argc,char **argv) {
   /* TESTING BY NOW */
 
   t_ivac ivac;
+  int i;
 
-  /* set username (futur: read from config or entered later) */
-  strcpy(ivac.username,"hackbard");
+  if(argc!=2) {
+    printf("\nusage: %s <username>\n\n",argv[0]);
+    return ERROR;
+  }
+
+  /* set username */
+  strncpy(ivac.username,argv[1],CHAR_USERNAME);
+  /* clear challenger struct */
+  for(i=0;i<MAX_CONNECTIONS;i++)
+    memset(&(ivac.challenger[i]),0,sizeof(t_challenger));
+  /* zero console buffer */
+  for(i=0;i<IVAC_CONSOLE_LEN;i++)
+    memset(ivac.console[i],0,IVAC_CONSOLE_STRING_LEN);
 
   /* set capabilities (futur: set by check routines) */
   ivac.g_cap=NETWORK;
@@ -39,10 +53,6 @@ int main(int argc,char **argv) {
   /* set event timeout */
   ivac.event.timeout.tv_sec=IVAC_S_SEC;
   ivac.event.timeout.tv_usec=IVAC_S_USEC;
-
-  /* set listen port (futur: read from config or entered later) */
-  network_set_listen_port(&(ivac.net),IVAC_LISTEN_PORT);
-
   /* event init */
   event_init(&(ivac.event));
 
@@ -50,6 +60,8 @@ int main(int argc,char **argv) {
   ivac.input.mode=CONTENT_BUFFER;
   input_init(&(ivac.input));
 
+  /* set listen port (futur: read from config or entered later) */
+  network_set_listen_port(&(ivac.net),IVAC_LISTEN_PORT);
   /* network init */
   if(network_init(&(ivac.net))==N_ERROR) {
     printf("[ivac] use 'fuser -n tcp %d' to determine the process to kill!\n",
@@ -62,13 +74,16 @@ int main(int argc,char **argv) {
   event_math(ivac.net.l_fd,&(ivac.event),READ,ADD);
   event_math(0,&(ivac.event),READ,ADD);
 
+  /* display init */
+  // display_init(&(ivac.display));
+
   /* display */
-  ivac_display(&(ivac));
+  ivac_display(&(ivac.display));
 
   /* start event system - callbacks used: ivac_event_cb + ivac_regular_cb */
   event_start(&(ivac.event),(void *)&ivac,ivac_event_cb,ivac_regular_cb);
 
-  ivac_shutdown(&ivac);
+  // ivac_shutdown(&ivac);
 
   return SUCCESS;
 }
@@ -78,6 +93,7 @@ int ivac_shutdown(t_ivac *ivac) {
   network_shutdown(&(ivac->net));
   input_shutdown(&(ivac->input));
   event_stop(&(ivac->event));
+  // display_shutdown(&(ivac->display));
 
   return SUCCESS;
 }
@@ -156,29 +172,41 @@ int ivac_event_cb(t_event *event,void *ptr) {
  
   t_ivac *ivac;
   int channel;
+  char c_str[IVAC_CONSOLE_STRING_LEN];
 
   ivac=(t_ivac *)ptr;
 
+  /* incoming connection -- first contact => send info */
   if(FD_ISSET(ivac->net.l_fd,&(event->rfds))) {
-    /* manage incoming + send info */
     channel=network_manage_incoming(&(ivac->net));
-    event_math(ivac->net.connection[channel].fd,event,READ,ADD);
-    ivac_send_info(channel,ivac);
+    if(channel==N_E_ACCEPT)
+      sprintf(c_str,"accept failed");
+    else if(channel==N_E_MAXC)
+      sprintf(c_str,"maximum connections reached");
+    else {
+      sprintf(c_str,"connection from %s port %d on channel %d",
+              ivac->net.connection[channel].ip,
+              ivac->net.connection[channel].port,channel);
+      ivac_add_to_monitor(ivac,c_str);
+      event_math(ivac->net.connection[channel].fd,event,READ,ADD);
+      ivac_send_info(channel,ivac);
+    }
+    ivac_display_content(ivac);
   }
 
-  /* receive info */
-  for(channel=0;channel<MAX_CONNECTIONS;channel++)
-    if(ivac->net.connection[channel].status&C_ESTABL)
+  /* wait for user info */
+  for(channel=0;channel<MAX_CONNECTIONS;channel++) {
+    if(ivac->net.connection[channel].status&C_ESTABL) {
+      /* remote is sending info */
       if(FD_ISSET(ivac->net.connection[channel].fd,&(event->rfds)))
         ivac_receive_info(channel,ivac);
+    }
+  } 
 
   /* user interaction */
   if(FD_ISSET(0,&(event->rfds)))
     input_get_event(&(ivac->input),ivac_parse_command,ivac);
 
-  /* display ivac gui */
-  ivac_display(ivac);
-    
   return SUCCESS;
 }
 
@@ -192,74 +220,326 @@ int ivac_regular_cb(t_event *event,void *ptr) {
 int ivac_parse_command(t_input *input,void *ptr) {
 
   t_ivac *ivac;
+  int i,j,k;
+  int len;
   int channel;
+  char *data,valid;
+  char c_str[IVAC_CONSOLE_STRING_LEN];
+  char arg[IVAC_ARG_COUNT][IVAC_ARG_LEN];
 
   ivac=(t_ivac *)ptr;
+  data=input->content;
+  valid=0;
+
+  /* refresh prompt content only! */
+  ivac_display_prompt_content(ivac);
 
   /* parse command routines */
+  if(data[input->c_count-1]=='\n') {
+
+    /* delete console string + args */
+    memset(c_str,0,IVAC_CONSOLE_STRING_LEN);
+    for(j=0;j<IVAC_ARG_COUNT;j++) memset(arg[j],0,IVAC_ARG_LEN);
+
+    /* get args */
+    len=0;
+    while(data[len]!='\n') len++;
+    i=0; j=0;
+    while((i<len) && (j<IVAC_ARG_COUNT)) {
+      k=0;
+      while((data[i+k]!=' ')&&(data[i+k]!='\n')) {
+        arg[j][k]=data[i+k];
+        k++;
+      }
+      arg[j][k]='\0';
+      j++;
+      /* skip all ' ' */
+      while(data[i+k]==' ') k++;
+      i+=k;
+    }
+
+    /* parse command  aka arg[0] */
+    if(!(strncmp(arg[0],"quit",4))) {
+      valid=1;
+      sprintf(c_str,"ivac shutdown ...");
+      ivac_shutdown(ivac);
+    }
+    if(!(strncmp(arg[0],"set",3))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if(!(strncmp(arg[1],"name",4))) {
+        strncpy(ivac->username,arg[2],CHAR_USERNAME);
+        sprintf(c_str,"changed username to %s",ivac->username);
+      }
+      else if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        i=network_set_connection_info(&(ivac->net),channel,arg[2],atoi(arg[3]));
+        if(i==N_E_IN_USE)
+          sprintf(c_str,"channel %02d: connection in use",channel);
+        if(i==N_SUCCESS)
+          sprintf(c_str,"channel %02d: set connection info",channel);
+      } else snprintf(c_str,IVAC_CONSOLE_STRING_LEN,"unknown argument: '%s'",
+                      arg[1]);
+    }
+    if(!(strncmp(arg[0],"connect",7))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        i=network_connect(&(ivac->net),channel);
+        if(i==N_E_IN_USE)
+          sprintf(c_str,"channel %02d: connection in use",channel);
+        else if(i==N_E_NO_INFO)
+          sprintf(c_str,"channel %02d: channel not configured",channel);
+        else {
+          sprintf(c_str,"channel %02d: connected to %s:%d",channel,
+                  ivac->net.connection[channel].ip,
+                  ivac->net.connection[channel].port);
+          event_math(ivac->net.connection[channel].fd,&(ivac->event),READ,ADD);
+          ivac_send_info(channel,ivac);
+        }
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    } 
+    if(!(strncmp(arg[0],"close",5))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        i=network_close(&(ivac->net),channel);
+        if(i==N_E_NC)
+          sprintf(c_str,"channel %02d: no active connection",channel);
+        else
+          sprintf(c_str,"channel %02d: connection closed",channel);
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+    if(!(strncmp(arg[0],"select",6))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        network_select(&(ivac->net),channel);
+        sprintf(c_str,"selected channel %d",channel);
+      }
+      else if(arg[1][0]='*') {
+        network_select(&(ivac->net),MAX_CONNECTIONS);
+        strcpy(c_str,"selected all channels");
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+    if(!(strncmp(arg[0],"deselect",8))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        network_deselect(&(ivac->net),channel);
+        sprintf(c_str,"deselected channel %d",channel);
+      }
+      else if(arg[1][0]='*') {
+        network_deselect(&(ivac->net),MAX_CONNECTIONS);
+        strcpy(c_str,"deselected all channels");
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+
+    if(!valid)
+      snprintf(c_str,IVAC_CONSOLE_STRING_LEN,"unknown command: '%s'",arg[0]);
+
+    /* call network functions */
+    network_manage_connection(&(ivac->net));
+
+    /* add console string to console buffer */
+    ivac_add_to_monitor(ivac,c_str);
+
+    /* refresh whole display content */
+    ivac_display_content(ivac);
 
-  if(input->content[input->c_count-1]=='\n') {
     /* delete content buffer + reset counter */
-    memset(input->content,0,input->c_count);
+    memset(input->content,0,input->c_count-1);
     input->c_count=0;
+
+  }
+
+  return SUCCESS;
+}
+
+int ivac_display_head(t_display *display) {
+
+#ifdef USE_NCURSES
+  int x,y;
+
+  move(0,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(1,0,"##");
+  mvaddstr(1,(display->max_x-4)/2-4,"- ivac -");
+  mvaddstr(1,(display->max_x-2),"##");
+  move(2,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+#else
+  puts("#########################################################");
+  puts("##### ivac - -  Copyright (C) 2004 Frank Zirkelbach #####");
+  puts("#########################################################");
+#endif
+
+  return SUCCESS;
+}
+
+int ivac_display_box(t_display *display) {
+ 
+#ifdef USE_NCURSES 
+  int x,y;
+
+  for(y=IVAC_PROMPT_LEN;y<display->max_y-IVAC_PROMPT_LEN;y++) {
+    mvaddch(y,0,'#');
+    mvaddch(y,display->max_x-1,'#');
   }
+#endif
 
   return SUCCESS;
 }
 
-int ivac_display_head(void) {
+int ivac_display_box_content(t_ivac *ivac) {
 
-  /* 23 x 80 */
-  int column,line;
+  int channel;
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
+  /* prepare challenger names */
+  for(channel=0;channel<MAX_CONNECTIONS;channel++)
+    if(ivac->challenger[channel].name[0]==0)
+      strcpy(ivac->challenger[channel].name,"<empty>");
+
+#ifdef USE_NCURSES
+#else
+  for(channel=0;channel<MAX_CONNECTIONS;channel++) {
+    if(ivac->net.connection[channel].status&C_INFO_A)
+      printf("channel %02d: ip:%s port:%d status: %02x - name: %s\n",channel,
+             ivac->net.connection[channel].ip,
+             ivac->net.connection[channel].port,
+             ivac->net.connection[channel].status,
+             ivac->challenger[channel].name);
+  }
+#endif
 
-  printf("##");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("- ivac -");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("##\n");
+  return SUCCESS;
+}
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
+int ivac_display_console(t_display *display) {
 
+#ifdef USE_NCURSES                                             
+  int x,y;
+         
+  move(display->max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+#endif
+                                          
   return SUCCESS;
 }
 
-int ivac_display_prompt(t_ivac *ivac) {
+int ivac_display_console_content(t_ivac *ivac) {
+
+#ifdef USE_NCURSES
+  int x,y;
+  int len;
 
-  int column,line;
+  for(y=0;y<IVAC_CONSOLE_LEN;y++) {
+    len=strlen(ivac->console[y]);
+    move(ivac->display.max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN+y,2);
+    for(x=0;x<len;x++)
+       addch(((ivac->console[y][x]>' ')||(ivac->console[y][x]<='~'))
+               ?ivac->console[y][x]:' ');
+    for(x=len;x<IVAC_CONSOLE_STRING_LEN-4;x++) addch(' ');
+  }
+  refresh();
+#else
+  int i;
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
-  printf("## command: ");
-  for(column=12;column<12+ivac->input.c_count;column++)
-    printf("%c",ivac->input.content[column-12]);
-  for(column=12+ivac->input.c_count;column<COLUMN-2;column++) printf(" ");
-  printf("##");
-  printf("\n");
-  for(column=0;column<COLUMN;column++) printf("#");
+  for(i=0;i<IVAC_CONSOLE_LEN;i++)
+    printf("[ivac] console line %d: %s\n",i,ivac->console[i]);
+#endif
 
   return SUCCESS;
 }
 
-int ivac_display(t_ivac *ivac) {
+int ivac_display_prompt(t_display *display) {
 
-  int line,column;
+#ifdef USE_NCURSES
+  int x,y;
 
-  /* display head */
-  ivac_display_head();
+  move(display->max_y-3,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(display->max_y-2,0,"## command: ");
+  mvaddstr(display->max_y-2,display->max_x-2,"##");
+  move(display->max_y-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+#endif
 
-  /* build content of middle part + display */
-  for(line=3;line<LINE-3;line++) {
-    printf("#");
-    for(column=1;column<COLUMN-1;column++) printf(" ");
-    printf("#\n");
+  return SUCCESS;
+}
+
+int ivac_display_prompt_content(t_ivac *ivac) {
+
+#ifdef USE_NCURSES
+  int x,y;
+
+  /* delete old command */
+  if(ivac->input.c_count==0) {
+    move(ivac->display.max_y-2,12);
+    for(x=12;x<ivac->display.max_x-1;x++) addch(' ');
   }
 
+  for(x=0;x<ivac->input.c_count;x++)
+    mvaddch(ivac->display.max_y-2,x+12,ivac->input.content[x]);
+  refresh();
+#else
+  printf("%c",ivac->input.content[ivac->input.c_count-1]);
+  fflush(NULL);
+#endif
+
+  return SUCCESS;
+}
+
+int ivac_display(t_display *display) {
+
+  int x,y;
+
+  /* display head */
+  ivac_display_head(display);
+
+  /* display box */
+  ivac_display_box(display);
+
+  /* display console */
+  ivac_display_console(display);
+
   /* display command prompt */
-  ivac_display_prompt(ivac);
+  ivac_display_prompt(display);
+
+  return SUCCESS;
+}
+
+int ivac_display_content(t_ivac *ivac) {
+
+  /* display box content */
+  ivac_display_box_content(ivac);
+
+  /* display console content */
+  ivac_display_console_content(ivac);
+
+  /* display prompt content */
+  ivac_display_prompt_content(ivac);
+
+  return SUCCESS;
+}
+
+int ivac_add_to_monitor(t_ivac *ivac,char *msg) {
+
+  int i;
+
+  for(i=0;i<IVAC_CONSOLE_LEN-1;i++)
+    memcpy(ivac->console[i],ivac->console[i+1],IVAC_CONSOLE_STRING_LEN);
+  memcpy(ivac->console[IVAC_CONSOLE_LEN-1],msg,IVAC_CONSOLE_STRING_LEN);
 
   return SUCCESS;
 }