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(lstat_file): new function for avoiding stating AFS mount points.

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From Love <lha@s3.kth.se>
(list_files): use `lstat_file'


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7245 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-10-27 23:53:33 +00:00
parent 408574f1b0
commit 9a50a06129
1 changed files with 87 additions and 1 deletions
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88
appl/ftp/ftpd/ls.c
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@@ -273,14 +273,100 @@ log10(int num)
return i;
}
/*
* Operate as lstat but fake up entries for AFS mount points so we don't
* have to fetch them.
*/
static int
lstat_file (const char *file, struct stat *sb)
{
int ret;
const int maxsize = 2048;
if (k_hasafs()
&& strcmp(file, ".")
&& strcmp(file, ".."))
{
struct ViceIoctl a_params;
char *last;
char *path_bkp;
static ino_t ino_counter = 0, ino_last = 0;
path_bkp = strdup (file);
if (path_bkp == NULL)
return -1;
a_params.out = malloc (maxsize);
if (a_params.out == NULL) {
free (path_bkp);
return -1;
}
/* If path contains more than the filename alone - split it */
last = strrchr (path_bkp, '/');
if (last != NULL) {
*last = '\0';
a_params.in = last + 1;
} else
a_params.in = (char *)file;
a_params.in_size = strlen (a_params.in) + 1;
a_params.out_size = maxsize;
ret = k_pioctl (last ? path_bkp : "." ,
VIOC_AFS_STAT_MT_PT, &a_params, 0);
free (a_params.out);
if (ret < 0) {
free (path_bkp);
if (errno != EINVAL)
return ret;
else
/* if we get EINVAL this is probably not a mountpoint */
return lstat (file, sb);
}
/*
* wow this was a mountpoint, lets cook the struct stat
* use . as a prototype
*/
ret = lstat (path_bkp, sb);
free (path_bkp);
if (ret < 0)
return ret;
sb->st_mode = S_IFDIR | 0755;
if (ino_last == sb->st_ino)
ino_counter++;
else {
ino_last = sb->st_ino;
ino_counter = 0;
}
sb->st_ino += ino_counter;
sb->st_nlink = 3;
return 0;
} else {
return lstat (file, sb);
}
}
static void
list_files(FILE *out, char **files, int n_files, int flags)
{
struct fileinfo *fi;
int i;
fi = calloc(n_files, sizeof(*fi));
if (fi == NULL) {
warnx("out of memory");
return;
}
for(i = 0; i < n_files; i++) {
if(lstat(files[i], &fi[i].st) < 0) {
if(lstat_file(files[i], &fi[i].st) < 0) {
sec_fprintf2(out, "%s: %s\r\n", files[i], strerror(errno));
fi[i].filename = NULL;
} else {