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* Detect and ignore recursive symbolic links.

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This commit is contained in:
Justin Maggard 2010-02-23 17:47:17 +00:00
parent 3934bf4448
commit b0d5feb2a1
1 changed files with 18 additions and 1 deletions
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19
utils.c
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@ -250,9 +250,26 @@ resolve_unknown_type(const char * path, enum media_types dir_type)
{
struct stat entry;
unsigned char type = TYPE_UNKNOWN;
char str_buf[PATH_MAX];
ssize_t len;
if( stat(path, &entry) == 0 )
if( lstat(path, &entry) == 0 )
{
if( S_ISLNK(entry.st_mode) )
{
if( (len = readlink(path, str_buf, PATH_MAX-1)) > 0 )
{
str_buf[len] = '\0';
//DEBUG DPRINTF(E_DEBUG, L_GENERAL, "Checking for recursive symbolic link: %s (%s)\n", path, str_buf);
if( strncmp(path, str_buf, strlen(str_buf)) == 0 )
{
DPRINTF(E_DEBUG, L_GENERAL, "Ignoring recursive symbolic link: %s (%s)\n", path, str_buf);
return type;
}
}
stat(path, &entry);
}
if( S_ISDIR(entry.st_mode) )
{
type = TYPE_DIR;