Utilities/cmtar/output.c

   1 /*
   2 **  Copyright 1998-2003 University of Illinois Board of Trustees
   3 **  Copyright 1998-2003 Mark D. Roth
   4 **  All rights reserved.
   5 **
   6 **  output.c - libtar code to print out tar header blocks
   7 **
   8 **  Mark D. Roth <roth@uiuc.edu>
   9 **  Campus Information Technologies and Educational Services
  10 **  University of Illinois at Urbana-Champaign
  11 */
  12
  13 #include <libtarint/internal.h>
  14
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17
  18 #if !defined(_WIN32) || defined(__CYGWIN__)
  19 # include <pwd.h>
  20 # include <grp.h>
  21 #endif
  22
  23 #include <time.h>
  24 #include <limits.h>
  25
  26 #ifdef STDC_HEADERS
  27 # include <string.h>
  28 #endif
  29
  30
  31 #ifndef _POSIX_LOGIN_NAME_MAX
  32 # define _POSIX_LOGIN_NAME_MAX  9
  33 #endif
  34
  35
  36 void
  37 th_print(TAR *t)
  38 {
  39   puts("\nPrinting tar header:");
  40   printf("  name     = \"%.100s\"\n", t->th_buf.name);
  41   printf("  mode     = \"%.8s\"\n", t->th_buf.mode);
  42   printf("  uid      = \"%.8s\"\n", t->th_buf.uid);
  43   printf("  gid      = \"%.8s\"\n", t->th_buf.gid);
  44   printf("  size     = \"%.12s\"\n", t->th_buf.size);
  45   printf("  mtime    = \"%.12s\"\n", t->th_buf.mtime);
  46   printf("  chksum   = \"%.8s\"\n", t->th_buf.chksum);
  47   printf("  typeflag = \'%c\'\n", t->th_buf.typeflag);
  48   printf("  linkname = \"%.100s\"\n", t->th_buf.linkname);
  49   printf("  magic    = \"%.6s\"\n", t->th_buf.magic);
  50   /*printf("  version  = \"%.2s\"\n", t->th_buf.version); */
  51   printf("  version[0] = \'%c\',version[1] = \'%c\'\n",
  52          t->th_buf.version[0], t->th_buf.version[1]);
  53   printf("  uname    = \"%.32s\"\n", t->th_buf.uname);
  54   printf("  gname    = \"%.32s\"\n", t->th_buf.gname);
  55   printf("  devmajor = \"%.8s\"\n", t->th_buf.devmajor);
  56   printf("  devminor = \"%.8s\"\n", t->th_buf.devminor);
  57   printf("  prefix   = \"%.155s\"\n", t->th_buf.prefix);
  58   printf("  padding  = \"%.12s\"\n", t->th_buf.padding);
  59   printf("  gnu_longname = \"%s\"\n",
  60          (t->th_buf.gnu_longname ? t->th_buf.gnu_longname : "[NULL]"));
  61   printf("  gnu_longlink = \"%s\"\n",
  62          (t->th_buf.gnu_longlink ? t->th_buf.gnu_longlink : "[NULL]"));
  63 }
  64
  65
  66 void
  67 th_print_long_ls(TAR *t)
  68 {
  69   char modestring[12];
  70 #if !defined(_WIN32) || defined(__CYGWIN__)
  71   struct passwd *pw;
  72   struct group *gr;
  73 #endif
  74   uid_t uid;
  75   gid_t gid;
  76   char username[_POSIX_LOGIN_NAME_MAX];
  77   char groupname[_POSIX_LOGIN_NAME_MAX];
  78   time_t mtime;
  79   struct tm *mtm;
  80   char *pathname;
  81
  82 #ifdef HAVE_STRFTIME
  83   char timebuf[18];
  84 #else
  85   const char *months[] = {
  86     "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  87     "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
  88   };
  89 #endif
  90
  91   uid = th_get_uid(t);
  92 #if !defined(_WIN32) || defined(__CYGWIN__)
  93   pw = getpwuid(uid);
  94   if (pw != NULL)
  95     strlcpy(username, pw->pw_name, sizeof(username));
  96   else
  97 #endif
  98     snprintf(username, sizeof(username), "%d", (int)uid);
  99   gid = th_get_gid(t);
 100 #if !defined(_WIN32) || defined(__CYGWIN__)
 101   gr = getgrgid(gid);
 102   if (gr != NULL)
 103     strlcpy(groupname, gr->gr_name, sizeof(groupname));
 104   else
 105 #endif
 106     snprintf(groupname, sizeof(groupname), "%d", (int)gid);
 107
 108   strmode(th_get_mode(t), modestring);
 109   printf("%.10s %-8.8s %-8.8s ", modestring, username, groupname);
 110
 111 #if !defined(_WIN32) || defined(__CYGWIN__)
 112   if (TH_ISCHR(t) || TH_ISBLK(t))
 113     printf(" %3d, %3d ", th_get_devmajor(t), th_get_devminor(t));
 114   else
 115 #endif
 116     printf("%9ld ", (long)th_get_size(t));
 117
 118   mtime = th_get_mtime(t);
 119   mtm = localtime(&mtime);
 120 #ifdef HAVE_STRFTIME
 121   strftime(timebuf, sizeof(timebuf), "%b %d %H:%M %Y", mtm);
 122   printf("%s", timebuf);
 123 #else
 124   printf("%.3s %2d %2d:%02d %4d",
 125          months[mtm->tm_mon],
 126          mtm->tm_mday, mtm->tm_hour, mtm->tm_min, mtm->tm_year + 1900);
 127 #endif
 128
 129   pathname = th_get_pathname(t);
 130   if (pathname)
 131     {
 132     printf(" %s", pathname);
 133     free(pathname);
 134     }
 135
 136 #if !defined(_WIN32) || defined(__CYGWIN__)
 137   if (TH_ISSYM(t) || TH_ISLNK(t))
 138   {
 139     if (TH_ISSYM(t))
 140       printf(" -> ");
 141     else
 142       printf(" link to ");
 143     if ((t->options & TAR_GNU) && t->th_buf.gnu_longlink != NULL)
 144       printf("%s", t->th_buf.gnu_longlink);
 145     else
 146       printf("%.100s", t->th_buf.linkname);
 147   }
 148 #endif
 149
 150   putchar('\n');
 151 }