common/userinfo.c

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Delic, Adam
  11  *   Szabo, Janos Zoltan – initial implementation
  12  *
  13  ******************************************************************************/
  14 #include <time.h>
  15 #include <unistd.h>
  16 #ifdef MINGW
  17 # include <windows.h>
  18 # include <lmcons.h>
  19 #else
  20 # include <pwd.h>
  21 #endif
  22
  23 #include "memory.h"
  24 #include "userinfo.h"
  25
  26 char *get_user_info(void)
  27 {
  28   char *ret_val;
  29   time_t t;
  30   const char *current_time;
  31 #ifdef MINGW
  32   TCHAR user_name[UNLEN + 1], computer_name[MAX_COMPUTERNAME_LENGTH + 1];
  33   DWORD buffer_size = sizeof(user_name);
  34   if (GetUserName(user_name, &buffer_size)) ret_val = mcopystr(user_name);
  35   else ret_val = mcopystr("unknown");
  36   ret_val = mputc(ret_val, '@');
  37   buffer_size = sizeof(computer_name);
  38   if (GetComputerName(computer_name, &buffer_size))
  39     ret_val = mputstr(ret_val, computer_name);
  40   else ret_val = mputstr(ret_val, "unknown");
  41 #else
  42   struct passwd *p;
  43   char host_name[256];
  44   setpwent();
  45   p = getpwuid(getuid());
  46   if (p != NULL) {
  47     size_t i;
  48     for (i = 0; p->pw_gecos[i] != '\0'; i++) {
  49       if (p->pw_gecos[i] == ',') {
  50         /* Truncating additional info (e.g. phone number) after the full name */
  51         p->pw_gecos[i] = '\0';
  52         break;
  53       }
  54     }
  55     ret_val = mprintf("%s (%s", p->pw_gecos, p->pw_name);
  56   } else ret_val = mcopystr("Unknown User (unknown");
  57   endpwent();
  58   if (gethostname(host_name, sizeof(host_name)))
  59     ret_val = mputstr(ret_val, "@unknown)");
  60   else {
  61     host_name[sizeof(host_name) - 1] = '\0';
  62     ret_val = mputprintf(ret_val, "@%s)", host_name);
  63   }
  64 #endif
  65   t = time(NULL);
  66   current_time = ctime(&t);
  67   ret_val = mputprintf(ret_val, " on %s", current_time);
  68   return ret_val;
  69 }