added sock20

2026-09-24 09:10:14 +00:00 · 2023-10-20 15:00:30 +03:00
parent e19c8aa5c5
commit 29db3dbe27
7 changed files with 584 additions and 142 deletions
@@ -0,0 +1,142 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <error.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <time.h>
+
+#define errExit(msg)       do { perror(msg); _exit(EXIT_FAILURE); } while (0)
+#define SerrExit(s,msg)    do { close(s); perror(msg); _exit(EXIT_FAILURE); } while (0)
+
+#define SERVER_PATH "/tmp/unix_sock.server"
+#define CLIENT_PATH "unix_sock.client"
+#define DATA "Hello from client"
+#define BUF 128
+#define FINS "exit_s"
+#define FINC "exit_c"
+//#define INFO 
+
+int rcvBuffer(int sock_fd){
+      int rcvBufferSize;
+      socklen_t sockOptSize = sizeof(rcvBufferSize);
+      getsockopt(sock_fd, SOL_SOCKET, SO_RCVBUF, &rcvBufferSize, &sockOptSize);
+#ifdef INFO
+      printf("initial socket receive buf %d\n", rcvBufferSize);
+#endif
+      return rcvBufferSize;
+}
+
+int recvCount(const void *s, int size){
+   register int count;
+   register int mark;
+   register char *p;
+   p=(char *)s;
+   count = 0;
+   mark = 0;
+   do {
+     if (*p && !(*(p+1))) count++;
+#ifdef INFO
+     printf("[%c][%X]\n",*p,*p);
+#endif
+     p++;
+     mark++;
+   } while (!((*p == '\0') && (*(p+1)=='\0')) && (mark < size));
+   return count;
+}
+
+int main(int argc,char *argv[]){
+
+    int client_sock, rc, len;
+    struct sockaddr_un server_sockaddr; 
+    struct sockaddr_un client_sockaddr; 
+    char obuf[BUF];
+    char **ibuf;
+    size_t obs=BUF,ibs;
+    char cpath[22];
+
+    sprintf(cpath,"%d-%s",getpid(),CLIENT_PATH); 
+    len = sizeof(client_sockaddr);
+    memset(&server_sockaddr, 0, sizeof(struct sockaddr_un));
+    memset(&client_sockaddr, 0, sizeof(struct sockaddr_un));
+     
+    client_sock = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (client_sock == -1) {
+        perror("socket");
+        exit(1);
+    }
+
+
+    client_sockaddr.sun_family = AF_UNIX;   
+    strcpy(client_sockaddr.sun_path, cpath); 
+    
+    unlink(cpath);
+    rc = bind(client_sock, (struct sockaddr *) &client_sockaddr, len);
+    if (rc == -1) SerrExit(client_sock,"bind");
+
+    server_sockaddr.sun_family = AF_UNIX;
+    strcpy(server_sockaddr.sun_path, SERVER_PATH);
+    rc = connect(client_sock, (struct sockaddr *) &server_sockaddr, len);
+    if (rc == -1) SerrExit(client_sock,"connect");
+    
+    ibs=rcvBuffer(client_sock);
+    if ((ibuf=(char **)malloc(ibs)) == NULL ) errExit("malloc");
+
+    do {
+      memset(obuf, 0, obs);
+       printf("> ");
+      scanf("%s",obuf);
+
+      printf("Sending data...\n");
+      rc = send(client_sock, obuf, strlen(obuf)+1, 0);
+      if (rc == -1) {
+         perror("send");
+         close(client_sock);
+         exit(1);
+      } else {
+        printf("Data sent!\n");
+      }
+
+      printf("Waiting to recieve data...\n");
+      memset(ibuf, 0, ibs);
+      rc = recv(client_sock, ibuf, ibs,0);
+      if (rc == -1) {
+         perror("recv");
+         close(client_sock);
+         exit(1);
+      } else {
+        int c = recvCount(ibuf,ibs);
+#ifdef INFO
+        char *p = (char *)ibuf;
+        printf("count: %d resieved\n",c);
+        for (int i = 0; i < 32; i++){
+           printf("[%c][%X]",*p,*p);
+           p++;
+        }
+        printf("\n");
+#endif
+#ifndef INFO
+        char p[obs];
+        char *tp = (char *)ibuf;
+//        if ((ibuf=(char **)malloc(ibs)) == NULL ) errExit("malloc");
+        for (int i = 0; i < c; i++){
+           memset(p,0,obs);
+           while (*tp) {strncat(p,tp,1);tp++;}
+           tp++;
+//           printf("DATA RECEIVED [%ld] = %s\n", strlen(ibuf[i]),ibuf[i]);
+           printf("DATA RECEIVED [%ld] = %s\n", strlen(p),p);
+//           printf("DATA RECEIVED [%ld] = %s\n", strlen(p[i]),p[i]);
+        }
+#endif
+      }
+      
+    } while (strcmp(obuf,FINC) && strcmp(obuf,FINS));
+
+    close(client_sock);
+    unlink(cpath);
+    
+    return 0;
+}