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Remove redundant reconnection code that was interfeering with the sbus
reconnection code.
Consolidate include files for sbus relates operations.
Make pamsrv code similar to nsssrv code.
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Many of the functions in responder_dp.c were originally NSS-
specific and were moved there from the NSS responder code. Since
they are now generic to any responder, rename them to sss_dp_*
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The timeout of the data provider call (in ms) got overwritten by a cache
timeout (in s).
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Convert auth modules to do the caching themselves
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- allow different protocol versions for PAM and NSS
- support more than one protocol version in the responder
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- allow unspecified value in struct pam_data to be NULL
- check if domain structure is initialized in pam_reply
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When a user from a domain served by the proxy backend changes his
password with passwd the passwd command asks for the old password,
but it is not validated by the pam_chauthtok call in the proxy
backend, because it is running as root.
If the request is coming the unpriviledged socket we now call
pam_authenticate explicitly before pam_chauthtok.
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The domain name is no longer send as an element on its own, but
if set as a member of the response array. If the user was not found
pd->domain is NULL and strlen will seg-fault.
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see https://fedorahosted.org/sssd/ticket/25
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Force a user lookup against the users domain provider.
If a user domain is not specified search though all non fully qualifying
domains.
Perform authentication against the corrent domain auth backend, based on the
user's domain found in the lookup if one was not
specified.
Also move the NSS-DP functions in COMMON-DP as they are reused by the PAM
responder too now.
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Implement credentials caching in pam responder.
Currently works only for the proxy backend.
Also cleanup pam responder code and mode common code in data provider.
(the data provider should never include responder private headers)
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To be able to correctly filter out duplicate names when multiple non-fully
qualified domains are in use we need to be able to specify the domains order.
This is now accomplished by the configuration paramets 'domains' in the
config/domains entry. 'domains' is a comma separated list of domain names.
This paramter allows also to have disbaled domains in the configuration without
requiring to completely delete them.
The domains list is now kept in a linked list of sss_domain_info objects.
The first domain is also the "default" domain.
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Use common sss_parse_name function in all responders
Simplify responder headers by combining common,cmd,dp in one header and
add name parse structure as part of the common responder context.
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This way LOCAL domains backed by files works as expected too.
Tested with nss_files + pam_unix
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Make nss_ctx a private pointer of the common resp_ctx
Use sss_process_init and remove all duplicate functions from nsssrv.c
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Use only one context (the local request) for all functions.
Use new helper function in sysdb to set numbers as sysdb_attrs values.
Do not use pam_status to report internal errors, use an error variable
and check it only when we finally reply.
Use sysdb_error_to_errno() to convert and ldb error to errno.
Do not free every single buffer allocated, they are all appended to the
local request and will be automatically freed once the request is finished.
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Also move responders under server/responder with shared code
in server/responder/common
Signed-off-by: Simo Sorce <ssorce@redhat.com>
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