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| author | Florian Weimer <fweimer@redhat.com> | 2017-07-03 20:31:23 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2017-07-03 20:57:28 +0200 |
| commit | f30a54b21b83f254533c59ca72ad17af5249c6be (patch) | |
| tree | 174c6e8b77d8fc1514f4108e3290b91d19d838a6 /ChangeLog | |
| parent | 352f4ff9a268b81ef5d4b2413f582565806e4790 (diff) | |
| download | glibc-f30a54b21b83f254533c59ca72ad17af5249c6be.zip glibc-f30a54b21b83f254533c59ca72ad17af5249c6be.tar.gz glibc-f30a54b21b83f254533c59ca72ad17af5249c6be.tar.bz2 | |
resolv: Introduce struct resolv_conf with extended resolver state
This change provides additional resolver configuration state which
is not exposed through the _res ABI. It reuses the existing
initstamp field in the supposedly-private part of _res. Some effort
is undertaken to avoid memory safety issues introduced by applications
which directly patch the _res object.
With this commit, only the initstamp field is moved into struct
resolv_conf. Additional members will be added later, eventually
migrating the entire resolver configuration.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -1,5 +1,23 @@ 2017-06-30 Florian Weimer <fweimer@redhat.com> + Add extended resolver state/configuration (struct resolv_conf). + * resolv/resolv_conf.h, resolv/resolv_conf.c: New files. + * resolv/res-close.c (__res_iclose): Call __resolv_conf_detach. + * resolv/res_init.c (res_vinit_1): Do not initialize initstamp. + (__res_vinit): Call __resolv_conf_allocate and + __resolv_conf_attach. + * resolv/resolv_context.h (struct resolv_context): Add conf member + of type struct resolv_conf. + * resolv/resolv_context.c (maybe_init): Get initstamp from struct + resolv_conf. Update conf member after initialization. + * resolv/Makefile (routines): Add resolv_conf. + * resolv/bits/types/res_state.h [_LIBC] (struct __res_state): + Rename _u._ext.initstamp to _u._ext.__glibc_extension_index. + [!_LIBC] (struct __res_state): Rename _u._ext._initstamp to + _u._ext.__glibc_reserved. + +2017-06-30 Florian Weimer <fweimer@redhat.com> + [BZ #21668] Introduce temporary resolver contexts (struct resolv_conf). * resolv/resolv-internal.h (__res_context_mkquery) |