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| author | Stephen Gallagher <sgallagh@redhat.com> | 2010-06-08 15:47:34 -0400 |
|---|---|---|
| committer | Stephen Gallagher <sgallagh@redhat.com> | 2010-06-10 10:17:38 -0400 |
| commit | 06247775aa9c49ffce72827921eb45e2d04c6aa1 (patch) | |
| tree | c3e53abf07faa3c8e161cff30746d54af6a78791 /src/krb5_plugin | |
| parent | e5196fd7da44e4ae04ab8b5d2e7191167762cf0b (diff) | |
| download | sssd-06247775aa9c49ffce72827921eb45e2d04c6aa1.tar.gz sssd-06247775aa9c49ffce72827921eb45e2d04c6aa1.tar.bz2 sssd-06247775aa9c49ffce72827921eb45e2d04c6aa1.zip | |
Properly handle read() and write() throughout the SSSD
We need to guarantee at all times that reads and writes complete
successfully. This means that they must be checked for returning
EINTR and EAGAIN, and all writes must be wrapped in a loop to
ensure that they do not truncate their output.
Diffstat (limited to 'src/krb5_plugin')
| -rw-r--r-- | src/krb5_plugin/sssd_krb5_locator_plugin.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/krb5_plugin/sssd_krb5_locator_plugin.c b/src/krb5_plugin/sssd_krb5_locator_plugin.c index dfc9c197..70479efd 100644 --- a/src/krb5_plugin/sssd_krb5_locator_plugin.c +++ b/src/krb5_plugin/sssd_krb5_locator_plugin.c @@ -133,7 +133,7 @@ static int get_krb5info(const char *realm, struct sssd_ctx *ctx, memset(buf, 0, BUFSIZE+1); while (len != 0 && (ret = read(fd, p, len)) != 0) { if (ret == -1) { - if (errno == EINTR) continue; + if (errno == EINTR || errno == EAGAIN) continue; PLUGIN_DEBUG(("read failed [%d][%s].\n", errno, strerror(errno))); close(fd); goto done; |