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/*
** Copyright 1998-2003 University of Illinois Board of Trustees
** Copyright 1998-2003 Mark D. Roth
** All rights reserved.
**
** wrapper.c - libtar high-level wrapper code
**
** Mark D. Roth <roth@uiuc.edu>
** Campus Information Technologies and Educational Services
** University of Illinois at Urbana-Champaign
*/
#include <internal.h>
#include <stdio.h>
#include <sys/param.h>
#include <dirent.h>
#include <errno.h>
#include <stdlib.h>
#ifdef STDC_HEADERS
# include <string.h>
#endif
int
tar_extract_glob(TAR *t, char *globname, char *prefix)
{
char *filename;
char *buf = NULL;
int i, len;
while ((i = th_read(t)) == 0)
{
filename = th_get_pathname(t);
if (fnmatch(globname, filename, FNM_PATHNAME | FNM_PERIOD))
{
if (TH_ISREG(t) && tar_skip_regfile(t))
return -1;
continue;
}
if (t->options & TAR_VERBOSE)
th_print_long_ls(t);
if (prefix != NULL)
{
len = strlen(prefix) + 1 + strlen(filename);
if ((buf = malloc(len + 1)) == NULL)
return -1;
sprintf(buf, "%s/%s", prefix, filename);
}
else
{
len = strlen(filename);
if ((buf = malloc(len + 1)) == NULL)
return -1;
strcpy(buf, filename);
}
if (tar_extract_file(t, buf) != 0)
{
free(buf);
return -1;
}
free(buf);
}
return (i == 1 ? 0 : -1);
}
int
tar_extract_all(TAR *t, char *prefix)
{
char *filename;
char *buf = NULL;
size_t bufsize = 0;
int i, len;
#ifdef DEBUG
printf("==> tar_extract_all(TAR *t, \"%s\")\n",
(prefix ? prefix : "(null)"));
#endif
while ((i = th_read(t)) == 0)
{
#ifdef DEBUG
puts(" tar_extract_all(): calling th_get_pathname()");
#endif
filename = th_get_pathname(t);
if (t->options & TAR_VERBOSE)
th_print_long_ls(t);
if (prefix != NULL)
{
len = strlen(prefix) + 1 + strlen(filename);
if ((buf = malloc(len + 1)) == NULL)
return -1;
sprintf(buf, "%s/%s", prefix, filename);
}
else
{
len = strlen(filename);
if ((buf = malloc(len + 1)) == NULL)
return -1;
strcpy(buf, filename);
}
#ifdef DEBUG
printf(" tar_extract_all(): calling tar_extract_file(t, "
"\"%s\")\n", buf);
#endif
if (tar_extract_file(t, buf) != 0)
{
free(buf);
return -1;
}
free(buf);
}
return (i == 1 ? 0 : -1);
}
int
tar_append_tree(TAR *t, char *realdir, char *savedir)
{
char *realpath = NULL;
size_t realpathsize = 0;
char *savepath = NULL;
size_t savepathsize = 0;
struct dirent *dent;
DIR *dp;
struct stat s;
int len;
#ifdef DEBUG
printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n",
t, realdir, (savedir ? savedir : "[NULL]"));
#endif
if (tar_append_file(t, realdir, savedir) != 0)
return -1;
#ifdef DEBUG
puts(" tar_append_tree(): done with tar_append_file()...");
#endif
dp = opendir(realdir);
if (dp == NULL)
{
if (errno == ENOTDIR)
return 0;
return -1;
}
while ((dent = readdir(dp)) != NULL)
{
if (strcmp(dent->d_name, ".") == 0 ||
strcmp(dent->d_name, "..") == 0)
continue;
len = strlen(realdir) + 1 + strlen(dent->d_name);
if ((realpath = malloc(len + 1)) == NULL)
return -1;
snprintf(realpath, len + 1, "%s/%s", realdir,
dent->d_name);
if (savedir)
{
len = strlen(savedir) + 1 + strlen(dent->d_name);
if ((savepath = malloc(len + 1)) == NULL) {
free(realpath);
return -1;
}
snprintf(savepath, len + 1, "%s/%s", savedir,
dent->d_name);
}
if (lstat(realpath, &s) != 0)
return -1;
if (S_ISDIR(s.st_mode))
{
if (tar_append_tree(t, realpath,
(savedir ? savepath : NULL)) != 0)
{
free(realpath);
free(savepath);
return -1;
}
continue;
}
if (tar_append_file(t, realpath,
(savedir ? savepath : NULL)) != 0)
{
free(realpath);
free(savepath);
return -1;
}
free(realpath);
free(savepath);
}
closedir(dp);
return 0;
}
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