gconv: Use 64-bit interfaces in gconv_parseconfdir (bug 29583)

It's possible that inode numbers are outside the 32-bit range.
The existing code only handles the in-libc case correctly, and
still uses the legacy interfaces when building iconv.

Suggested-by: Helge Deller <deller@gmx.de>
(cherry picked from commit f97905f246)
This commit is contained in:
Florian Weimer 2022-09-20 12:12:43 +02:00
parent 6fea8e6b94
commit dee4146cec
2 changed files with 9 additions and 8 deletions

1
NEWS
View File

@ -53,6 +53,7 @@ The following bugs are resolved with this release:
[29446] _dlopen now ignores dl_caller argument in static mode
[29490] alpha: New __brk_call implementation is broken
[29528] elf: Call __libc_early_init for reused namespaces
[29583] Use 64-bit interfaces in gconv_parseconfdir
Version 2.35

View File

@ -29,14 +29,14 @@
# define isspace(__c) __isspace_l ((__c), _nl_C_locobj_ptr)
# define asprintf __asprintf
# define opendir __opendir
# define readdir __readdir
# define readdir64 __readdir64
# define closedir __closedir
# define mempcpy __mempcpy
# define struct_stat struct __stat64_t64
# define lstat __lstat64_time64
# define struct_stat64 struct __stat64_t64
# define lstat64 __lstat64_time64
# define feof_unlocked __feof_unlocked
#else
# define struct_stat struct stat
# define struct_stat64 struct stat64
#endif
/* Name of the file containing the module information in the directories
@ -148,8 +148,8 @@ gconv_parseconfdir (const char *prefix, const char *dir, size_t dir_len)
DIR *confdir = opendir (buf);
if (confdir != NULL)
{
struct dirent *ent;
while ((ent = readdir (confdir)) != NULL)
struct dirent64 *ent;
while ((ent = readdir64 (confdir)) != NULL)
{
if (ent->d_type != DT_REG && ent->d_type != DT_UNKNOWN)
continue;
@ -161,12 +161,12 @@ gconv_parseconfdir (const char *prefix, const char *dir, size_t dir_len)
&& strcmp (ent->d_name + len - strlen (suffix), suffix) == 0)
{
char *conf;
struct_stat st;
struct_stat64 st;
if (asprintf (&conf, "%s/%s", buf, ent->d_name) < 0)
continue;
if (ent->d_type != DT_UNKNOWN
|| (lstat (conf, &st) != -1 && S_ISREG (st.st_mode)))
|| (lstat64 (conf, &st) != -1 && S_ISREG (st.st_mode)))
found |= read_conf_file (conf, dir, dir_len);
free (conf);