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Check return value of gethostname() and truncate string.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23675 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-08-25 02:33:28 +00:00
parent 3a00ceaf3d
commit 1bf4289d86
1 changed files with 8 additions and 1 deletions
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9
lib/krb5/principal.c
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@@ -1259,7 +1259,14 @@ krb5_sname_to_principal (krb5_context context,
return KRB5_SNAME_UNSUPP_NAMETYPE; return KRB5_SNAME_UNSUPP_NAMETYPE;
} }
if(hostname == NULL) { if(hostname == NULL) {
gethostname(localhost, sizeof(localhost)); ret = gethostname(localhost, sizeof(localhost) - 1);
if (ret != 0) {
ret = errno;
krb5_set_error_message(context, ret,
"Failed to get local hostname");
return ret;
}
localhost[sizeof(localhost) - 1] = '\0';
hostname = localhost; hostname = localhost;
} }
if(sname == NULL) if(sname == NULL)