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author | Matt Johnston <matt@ucc.asn.au> | 2015-01-04 22:22:43 +0800 |
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committer | Matt Johnston <matt@ucc.asn.au> | 2015-01-04 22:22:43 +0800 |
commit | 859f547aa1c2212fe90d31832d65c4223943172b (patch) | |
tree | ad1dfb02454efa62f424e6500163e85475b657a1 /svr-kex.c | |
parent | f79737b53fe3c79bbe3b15c09dfe34731da8c256 (diff) | |
download | dropbear-859f547aa1c2212fe90d31832d65c4223943172b.tar.gz |
Open directories O_RDONLY for fsync, add debugging if it fails
Diffstat (limited to 'svr-kex.c')
-rw-r--r-- | svr-kex.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -91,12 +91,15 @@ static void fsync_parent_dir(const char* fn) { #ifdef HAVE_LIBGEN_H char *fn_dir = m_strdup(fn); char *dir = dirname(fn_dir); - /* some OSes need the fd to be writable for fsync */ - int dirfd = open(dir, O_RDWR); + int dirfd = open(dir, O_RDONLY); if (dirfd != -1) { - fsync(dirfd); + if (fsync(dirfd) != 0) { + TRACE(("fsync of directory %s failed: %s", dir, strerror(errno))) + } m_close(dirfd); + } else { + TRACE(("error opening directory %s for fsync: %s", dir, strerror(errno))) } free(fn_dir); |