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nss: always explicitly reset all error variables

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glibc appears to be broken if we don't explicitly reset all error
variables, let's work around that.

https://bugzilla.redhat.com/show_bug.cgi?id=1125975
This commit is contained in:
Lennart Poettering 2014-08-01 16:01:12 +02:00
parent 9fecce8041
commit e70df46b97
3 changed files with 35 additions and 0 deletions
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10
src/nss-myhostname/nss-myhostname.c
View file

@ -165,6 +165,11 @@ enum nss_status _nss_myhostname_gethostbyname4_r(
if (ttlp)
*ttlp = 0;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
}
@ -289,6 +294,11 @@ static enum nss_status fill_in_hostent(
if (canonp)
*canonp = r_name;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
}

10
src/nss-mymachines/nss-mymachines.c
View file

@ -205,6 +205,11 @@ enum nss_status _nss_mymachines_gethostbyname4_r(
if (ttlp)
*ttlp = 0;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
fail:
@ -365,6 +370,11 @@ enum nss_status _nss_mymachines_gethostbyname3_r(
if (canonp)
*canonp = r_name;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
fail:

15
src/nss-resolve/nss-resolve.c
View file

@ -281,6 +281,11 @@ enum nss_status _nss_resolve_gethostbyname4_r(
if (ttlp)
*ttlp = 0;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
fail:
@ -482,6 +487,11 @@ enum nss_status _nss_resolve_gethostbyname3_r(
result->h_length = alen;
result->h_addr_list = (char**) r_addr_list;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
if (ttlp)
*ttlp = 0;
@ -675,6 +685,11 @@ enum nss_status _nss_resolve_gethostbyaddr2_r(
if (ttlp)
*ttlp = 0;
/* Explicitly reset all error variables */
*errnop = 0;
*h_errnop = NETDB_SUCCESS;
h_errno = 0;
return NSS_STATUS_SUCCESS;
fail: