diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rwxr-xr-x | configure | 83 | ||||
| -rw-r--r-- | hesiod/README.hesiod | 8 | ||||
| -rw-r--r-- | hesiod/hesiod.c | 58 | ||||
| -rw-r--r-- | hesiod/hesiod_p.h | 1 |
5 files changed, 141 insertions, 19 deletions
diff --git a/ChangeLog b/ChangeLog index 711ae2f641..063323b76e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2005-06-08 Karl Kelley <kekelley@iastate.edu> + + * hesiod/hesiod_p.h (struct hesiod_p): Add classes array. + * hesiod/hesiod.c (hesiod_init): Initialize classes. Fail if no + valid classes were given or if both are equal. + (hesiod_resolve): Use ctx->classes instead of hardcoded C_IN + and C_HS order. + (parse_config_file): Handle classes keyword. + * hesiod/README.hesiod: Mention addition of the classes keyword. + 2005-06-14 Ulrich Drepper <drepper@redhat.com> * configure.in: Add test for availability of libaudit. diff --git a/configure b/configure index fb69f400b8..8c978e7512 100755 --- a/configure +++ b/configure @@ -313,7 +313,7 @@ ac_includes_default="\ # include <unistd.h> #endif" -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi bindnow force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os subdirs add_ons base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_cc_with_libunwind libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_z_relro libc_cv_Bgroup libc_cv_libgcc_s_suffix libc_cv_as_needed ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie fno_unit_at_a_time libc_cv_have_initfini no_whole_archive exceptions LIBGD have_selinux EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS' +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi bindnow force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os subdirs add_ons base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_cc_with_libunwind libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_z_relro libc_cv_Bgroup libc_cv_libgcc_s_suffix libc_cv_as_needed ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie fno_unit_at_a_time libc_cv_have_initfini no_whole_archive exceptions LIBGD have_libaudit have_selinux EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS' ac_subst_files='' # Initialize some variables set by options. @@ -6729,6 +6729,86 @@ cat >>confdefs.h <<\_ACEOF #define HAVE_SELINUX 1 _ACEOF + + # See if we have the libaudit library + echo "$as_me:$LINENO: checking for audit_log_avc in -laudit" >&5 +echo $ECHO_N "checking for audit_log_avc in -laudit... $ECHO_C" >&6 +if test "${ac_cv_lib_audit_audit_log_avc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-laudit $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char audit_log_avc (); +int +main () +{ +audit_log_avc (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_lib_audit_audit_log_avc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_lib_audit_audit_log_avc=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +echo "$as_me:$LINENO: result: $ac_cv_lib_audit_audit_log_avc" >&5 +echo "${ECHO_T}$ac_cv_lib_audit_audit_log_avc" >&6 +if test $ac_cv_lib_audit_audit_log_avc = yes; then + have_libaudit=yes +else + have_libaudit=no +fi + + if test "x$have_libaudit" = xyes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_LIBAUDIT 1 +_ACEOF + + fi + fi @@ -8341,6 +8421,7 @@ s,@libc_cv_have_initfini@,$libc_cv_have_initfini,;t t s,@no_whole_archive@,$no_whole_archive,;t t s,@exceptions@,$exceptions,;t t s,@LIBGD@,$LIBGD,;t t +s,@have_libaudit@,$have_libaudit,;t t s,@have_selinux@,$have_selinux,;t t s,@EGREP@,$EGREP,;t t s,@sizeof_long_double@,$sizeof_long_double,;t t diff --git a/hesiod/README.hesiod b/hesiod/README.hesiod index 18cd5d45dd..259ce8d447 100644 --- a/hesiod/README.hesiod +++ b/hesiod/README.hesiod @@ -71,6 +71,14 @@ will want to create your own. It should look something like: rhs=.your.domain lhs=.ns + classes=in,hs + +The optional classes settings specifies which DNS classes Hesiod +should do lookups in. Possible values are IN (the preferred class) +and HS (the deprecated class, still used by some sites). +You may specify both classes separated by a comma to try one class +first and then the other if no entry is available in the first +class. The default value of the classes variable is `IN,HS'. The value of rhs can be overridden by the environment variable `HES_DOMAIN'. diff --git a/hesiod/hesiod.c b/hesiod/hesiod.c index 7fffb310f1..e0ce510866 100644 --- a/hesiod/hesiod.c +++ b/hesiod/hesiod.c @@ -83,6 +83,9 @@ hesiod_init(void **context) { ctx->LHS = NULL; ctx->RHS = NULL; ctx->res = NULL; + /* Set default query classes. */ + ctx->classes[0] = C_IN; + ctx->classes[1] = C_HS; configname = __secure_getenv("HESIOD_CONFIG"); if (!configname) @@ -123,7 +126,7 @@ hesiod_init(void **context) { * If there is no default hesiod realm set, we return an * error. */ - if (!ctx->RHS) { + if (!ctx->RHS || ctx->classes[0] == 0 || ctx->classes[0] == ctx->classes[1]) { __set_errno(ENOEXEC); goto cleanup; } @@ -234,15 +237,12 @@ hesiod_resolve(void *context, const char *name, const char *type) { return (NULL); } - if ((retvec = get_txt_records(ctx, C_IN, bindname))) { - free(bindname); - return (retvec); - } + retvec = get_txt_records(ctx, ctx->classes[0], bindname); + + if (retvec == NULL && (errno == ENOENT || errno == ECONNREFUSED) && ctx->classes[1]) + retvec = get_txt_records(ctx, ctx->classes[1], bindname); - if (errno != ENOENT && errno != ECONNREFUSED) - return (NULL); - retvec = get_txt_records(ctx, C_HS, bindname); free(bindname); return (retvec); } @@ -261,7 +261,6 @@ hesiod_free_list(void *context, char **list) { */ static int parse_config_file(struct hesiod_p *ctx, const char *filename) { - char *key, *data, *cp, **cpp; char buf[MAXDNAME+7]; FILE *fp; @@ -272,6 +271,9 @@ parse_config_file(struct hesiod_p *ctx, const char *filename) { free(ctx->RHS); free(ctx->LHS); ctx->RHS = ctx->LHS = 0; + /* Set default query classes. */ + ctx->classes[0] = C_IN; + ctx->classes[1] = C_HS; /* * Now open and parse the file... @@ -280,6 +282,8 @@ parse_config_file(struct hesiod_p *ctx, const char *filename) { return (-1); while (fgets(buf, sizeof(buf), fp) != NULL) { + char *key, *data, *cp, **cpp; + cp = buf; if (*cp == '#' || *cp == '\n' || *cp == '\r') continue; @@ -297,17 +301,35 @@ parse_config_file(struct hesiod_p *ctx, const char *filename) { cp++; *cp++ = '\0'; - if (strcmp(key, "lhs") == 0) + cpp = NULL; + if (strcasecmp(key, "lhs") == 0) cpp = &ctx->LHS; - else if (strcmp(key, "rhs") == 0) + else if (strcasecmp(key, "rhs") == 0) cpp = &ctx->RHS; - else - continue; - - *cpp = malloc(strlen(data) + 1); - if (!*cpp) - goto cleanup; - strcpy(*cpp, data); + if (cpp) { + *cpp = strdup(data); + if (!*cpp) + goto cleanup; + } else if (strcasecmp(key, "classes") == 0) { + int n = 0; + while (*data && n < 2) { + cp = strchrnul(data, ','); + if (*cp != '\0') + *cp++ = '\0'; + if (strcasecmp(data, "IN") == 0) + ctx->classes[n++] = C_IN; + else if (strcasecmp(data, "HS") == 0) + ctx->classes[n++] = C_HS; + data = cp; + } + if (n == 0) { + /* Restore the default. Better than + nother at all. */ + ctx->classes[0] = C_IN; + ctx->classes[1] = C_HS; + } else if (n == 1) + ctx->classes[1] = 0; + } } fclose(fp); return (0); diff --git a/hesiod/hesiod_p.h b/hesiod/hesiod_p.h index 71aca0976d..5010d71bc9 100644 --- a/hesiod/hesiod_p.h +++ b/hesiod/hesiod_p.h @@ -41,6 +41,7 @@ struct hesiod_p { void (*res_set)(struct hesiod_p *, struct __res_state *, void (*)(void *)); struct __res_state * (*res_get)(struct hesiod_p *); + int classes[2]; /* The class search order. */ }; #define MAX_HESRESP 1024 |