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author | avatar <avatar@FreeBSD.org> | 2005-11-25 19:55:14 +0000 |
---|---|---|
committer | avatar <avatar@FreeBSD.org> | 2005-11-25 19:55:14 +0000 |
commit | 664df13033097c85531857a6ce5a1d2865a72655 (patch) | |
tree | 918ee7bfb4445b508f4e74f497d433dddc6c2e52 /sbin | |
parent | 2e5798240b5ba1bccfcf0a9dd0f5372de5c1687b (diff) | |
download | FreeBSD-src-664df13033097c85531857a6ce5a1d2865a72655.zip FreeBSD-src-664df13033097c85531857a6ce5a1d2865a72655.tar.gz |
It turns out that set_charset() invokes build_iovec_argf() which modifies
iov address internally through realloc(3). However, since the function
parameter wasn't designed to allow the modified iov being passed back to
the caller, we ended up feeding iov with several corrupted entries(this
depends on how many arguments were pushed into iovec before set_charset())
to nmount(2).
This commit fixes this regression introduced in rev1.37 such that
mount_msdosfs(8) with code page conversion option(-W,-D) enabled works again.
Reviewed by: rodrigc
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/mount_msdosfs/mount_msdosfs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sbin/mount_msdosfs/mount_msdosfs.c b/sbin/mount_msdosfs/mount_msdosfs.c index 962f708..0d086a2 100644 --- a/sbin/mount_msdosfs/mount_msdosfs.c +++ b/sbin/mount_msdosfs/mount_msdosfs.c @@ -69,7 +69,7 @@ static gid_t a_gid(char *); static uid_t a_uid(char *); static mode_t a_mask(char *); static void usage(void) __dead2; -static int set_charset(struct iovec *iov, int *iovlen, const char *, const char *); +static int set_charset(struct iovec **iov, int *iovlen, const char *, const char *); int main(int argc, char **argv) @@ -187,12 +187,12 @@ main(int argc, char **argv) dir = argv[optind + 1]; if (cs_local != NULL) { - if (set_charset(iov, &iovlen, cs_local, cs_dos) == -1) + if (set_charset(&iov, &iovlen, cs_local, cs_dos) == -1) err(EX_OSERR, "msdosfs_iconv"); build_iovec_argf(&iov, &iovlen, "kiconv", ""); } else if (cs_dos != NULL) { build_iovec_argf(&iov, &iovlen, "cs_local", "ISO8859-1"); - if (set_charset(iov, &iovlen, "ISO8859-1", cs_dos) == -1) + if (set_charset(&iov, &iovlen, "ISO8859-1", cs_dos) == -1) err(EX_OSERR, "msdosfs_iconv"); build_iovec_argf(&iov, &iovlen, "kiconv", ""); } @@ -300,7 +300,7 @@ usage() } int -set_charset(struct iovec *iov, int *iovlen, const char *cs_local, const char *cs_dos) +set_charset(struct iovec **iov, int *iovlen, const char *cs_local, const char *cs_dos) { int error; @@ -310,7 +310,7 @@ set_charset(struct iovec *iov, int *iovlen, const char *cs_local, const char *cs return (-1); } - build_iovec_argf(&iov, iovlen, "cs_win", ENCODING_UNICODE); + build_iovec_argf(iov, iovlen, "cs_win", ENCODING_UNICODE); error = kiconv_add_xlat16_cspairs(ENCODING_UNICODE, cs_local); if (error) return (-1); @@ -319,7 +319,7 @@ set_charset(struct iovec *iov, int *iovlen, const char *cs_local, const char *cs if (error) return (-1); } else { - build_iovec_argf(&iov, iovlen, "cs_dos", cs_local); + build_iovec_argf(iov, iovlen, "cs_dos", cs_local); error = kiconv_add_xlat16_cspair(cs_local, cs_local, KICONV_FROM_UPPER | KICONV_LOWER); if (error) |