195efa359SEric Schrock /* 295efa359SEric Schrock * CDDL HEADER START 395efa359SEric Schrock * 495efa359SEric Schrock * The contents of this file are subject to the terms of the 595efa359SEric Schrock * Common Development and Distribution License (the "License"). 695efa359SEric Schrock * You may not use this file except in compliance with the License. 795efa359SEric Schrock * 895efa359SEric Schrock * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 995efa359SEric Schrock * or http://www.opensolaris.org/os/licensing. 1095efa359SEric Schrock * See the License for the specific language governing permissions 1195efa359SEric Schrock * and limitations under the License. 1295efa359SEric Schrock * 1395efa359SEric Schrock * When distributing Covered Code, include this CDDL HEADER in each 1495efa359SEric Schrock * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1595efa359SEric Schrock * If applicable, add the following below this CDDL HEADER, with the 1695efa359SEric Schrock * fields enclosed by brackets "[]" replaced with your own identifying 1795efa359SEric Schrock * information: Portions Copyright [yyyy] [name of copyright owner] 1895efa359SEric Schrock * 1995efa359SEric Schrock * CDDL HEADER END 2095efa359SEric Schrock */ 2195efa359SEric Schrock 2295efa359SEric Schrock /* 2395efa359SEric Schrock * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 2495efa359SEric Schrock * Use is subject to license terms. 2595efa359SEric Schrock */ 2695efa359SEric Schrock 2795efa359SEric Schrock /* 2895efa359SEric Schrock * This provides the basic mechanisms (str2nvl and nvl2str) for dealing with 2995efa359SEric Schrock * the service schema. The official version of a svc FMRI has the form: 3095efa359SEric Schrock * 3195efa359SEric Schrock * svc://[scope@][system-fqn]/service[:instance][@contract-id] 3295efa359SEric Schrock * 3395efa359SEric Schrock * Where 'service' is a slash-delimited list of names. Of these fields, the 3495efa359SEric Schrock * scope, constract-id, and system-fqn are rarely used, leaving the much more 3595efa359SEric Schrock * common form such as: 3695efa359SEric Schrock * 3795efa359SEric Schrock * svc:///network/ssh:default 3895efa359SEric Schrock * 3995efa359SEric Schrock * Note that the SMF software typically uses a shorthard form, where the 4095efa359SEric Schrock * authority is elided (svc:/network/ssh:default). As this module deals with 4195efa359SEric Schrock * FMA FMRIs, we only support fully specified FMRIs. 4295efa359SEric Schrock * 4395efa359SEric Schrock * This module does not support enumeration, but implements methods for FMRI 4495efa359SEric Schrock * state (present, unusable, service state, and replaced). 4595efa359SEric Schrock */ 4695efa359SEric Schrock 4795efa359SEric Schrock #include <fm/topo_mod.h> 4895efa359SEric Schrock #include <fm/fmd_fmri.h> 4995efa359SEric Schrock #include <sys/fm/protocol.h> 5095efa359SEric Schrock #include <topo_method.h> 5195efa359SEric Schrock #include <topo_subr.h> 5295efa359SEric Schrock #include <alloca.h> 5395efa359SEric Schrock #include <assert.h> 5495efa359SEric Schrock #include <svc.h> 5595efa359SEric Schrock #include <strings.h> 5695efa359SEric Schrock #include <libscf.h> 5795efa359SEric Schrock 5895efa359SEric Schrock static int svc_fmri_nvl2str(topo_mod_t *, tnode_t *, topo_version_t, 5995efa359SEric Schrock nvlist_t *, nvlist_t **); 6095efa359SEric Schrock static int svc_fmri_str2nvl(topo_mod_t *, tnode_t *, topo_version_t, 6195efa359SEric Schrock nvlist_t *, nvlist_t **); 6295efa359SEric Schrock static int svc_fmri_present(topo_mod_t *, tnode_t *, topo_version_t, 6395efa359SEric Schrock nvlist_t *, nvlist_t **); 6495efa359SEric Schrock static int svc_fmri_replaced(topo_mod_t *, tnode_t *, topo_version_t, 6595efa359SEric Schrock nvlist_t *, nvlist_t **); 6695efa359SEric Schrock static int svc_fmri_service_state(topo_mod_t *, tnode_t *, topo_version_t, 6795efa359SEric Schrock nvlist_t *, nvlist_t **); 6895efa359SEric Schrock static int svc_fmri_unusable(topo_mod_t *, tnode_t *, topo_version_t, 6995efa359SEric Schrock nvlist_t *, nvlist_t **); 7095efa359SEric Schrock static int svc_enum(topo_mod_t *, tnode_t *, const char *, topo_instance_t, 7195efa359SEric Schrock topo_instance_t, void *, void *); 7295efa359SEric Schrock static void svc_release(topo_mod_t *, tnode_t *); 7395efa359SEric Schrock 7495efa359SEric Schrock static const topo_method_t svc_methods[] = { 7595efa359SEric Schrock { TOPO_METH_NVL2STR, TOPO_METH_NVL2STR_DESC, TOPO_METH_NVL2STR_VERSION, 7695efa359SEric Schrock TOPO_STABILITY_INTERNAL, svc_fmri_nvl2str }, 7795efa359SEric Schrock { TOPO_METH_STR2NVL, TOPO_METH_STR2NVL_DESC, TOPO_METH_STR2NVL_VERSION, 7895efa359SEric Schrock TOPO_STABILITY_INTERNAL, svc_fmri_str2nvl }, 7995efa359SEric Schrock { TOPO_METH_PRESENT, TOPO_METH_PRESENT_DESC, TOPO_METH_PRESENT_VERSION, 8095efa359SEric Schrock TOPO_STABILITY_INTERNAL, svc_fmri_present }, 8195efa359SEric Schrock { TOPO_METH_REPLACED, TOPO_METH_REPLACED_DESC, 8295efa359SEric Schrock TOPO_METH_REPLACED_VERSION, TOPO_STABILITY_INTERNAL, 8395efa359SEric Schrock svc_fmri_replaced }, 8495efa359SEric Schrock { TOPO_METH_SERVICE_STATE, TOPO_METH_SERVICE_STATE_DESC, 8595efa359SEric Schrock TOPO_METH_SERVICE_STATE_VERSION, TOPO_STABILITY_INTERNAL, 8695efa359SEric Schrock svc_fmri_service_state }, 8795efa359SEric Schrock { TOPO_METH_UNUSABLE, TOPO_METH_UNUSABLE_DESC, 8895efa359SEric Schrock TOPO_METH_UNUSABLE_VERSION, TOPO_STABILITY_INTERNAL, 8995efa359SEric Schrock svc_fmri_unusable }, 9095efa359SEric Schrock { NULL } 9195efa359SEric Schrock }; 9295efa359SEric Schrock 9395efa359SEric Schrock static const topo_modops_t svc_ops = 9495efa359SEric Schrock { svc_enum, svc_release }; 9595efa359SEric Schrock static const topo_modinfo_t svc_info = 9695efa359SEric Schrock { "svc", FM_FMRI_SCHEME_SVC, SVC_VERSION, &svc_ops }; 9795efa359SEric Schrock 9895efa359SEric Schrock static int 9995efa359SEric Schrock svc_error(topo_mod_t *mod) 10095efa359SEric Schrock { 10195efa359SEric Schrock switch (scf_error()) { 10295efa359SEric Schrock case SCF_ERROR_NO_MEMORY: 10395efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 10495efa359SEric Schrock 10595efa359SEric Schrock default: 10695efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_UNKNOWN)); 10795efa359SEric Schrock } 10895efa359SEric Schrock } 10995efa359SEric Schrock 110*9f342a5aSEric Schrock static scf_handle_t * 111*9f342a5aSEric Schrock svc_get_handle(topo_mod_t *mod) 11295efa359SEric Schrock { 113*9f342a5aSEric Schrock scf_handle_t *hdl = topo_mod_getspecific(mod); 11495efa359SEric Schrock 115*9f342a5aSEric Schrock if (hdl != NULL) 116*9f342a5aSEric Schrock return (hdl); 11795efa359SEric Schrock 118*9f342a5aSEric Schrock if ((hdl = scf_handle_create(SCF_VERSION)) == NULL) { 119*9f342a5aSEric Schrock (void) svc_error(mod); 120*9f342a5aSEric Schrock return (NULL); 121*9f342a5aSEric Schrock } 12295efa359SEric Schrock 12395efa359SEric Schrock if (scf_handle_bind(hdl) != 0) { 12495efa359SEric Schrock scf_handle_destroy(hdl); 125*9f342a5aSEric Schrock (void) svc_error(mod); 126*9f342a5aSEric Schrock return (NULL); 12795efa359SEric Schrock } 12895efa359SEric Schrock 129*9f342a5aSEric Schrock topo_mod_setspecific(mod, hdl); 130*9f342a5aSEric Schrock 131*9f342a5aSEric Schrock return (hdl); 132*9f342a5aSEric Schrock } 133*9f342a5aSEric Schrock 134*9f342a5aSEric Schrock int 135*9f342a5aSEric Schrock svc_init(topo_mod_t *mod, topo_version_t version) 136*9f342a5aSEric Schrock { 137*9f342a5aSEric Schrock if (version != SVC_VERSION) 138*9f342a5aSEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 139*9f342a5aSEric Schrock 14095efa359SEric Schrock if (topo_mod_register(mod, &svc_info, TOPO_VERSION) != 0) { 14195efa359SEric Schrock topo_mod_dprintf(mod, "failed to register svc_info: " 14295efa359SEric Schrock "%s\n", topo_mod_errmsg(mod)); 14395efa359SEric Schrock return (-1); 14495efa359SEric Schrock } 14595efa359SEric Schrock 14695efa359SEric Schrock return (0); 14795efa359SEric Schrock } 14895efa359SEric Schrock 14995efa359SEric Schrock void 15095efa359SEric Schrock svc_fini(topo_mod_t *mod) 15195efa359SEric Schrock { 15295efa359SEric Schrock scf_handle_t *hdl = topo_mod_getspecific(mod); 15395efa359SEric Schrock 154*9f342a5aSEric Schrock if (hdl != NULL) 155*9f342a5aSEric Schrock scf_handle_destroy(hdl); 15695efa359SEric Schrock 15795efa359SEric Schrock topo_mod_unregister(mod); 15895efa359SEric Schrock } 15995efa359SEric Schrock 16095efa359SEric Schrock /*ARGSUSED*/ 16195efa359SEric Schrock static int 16295efa359SEric Schrock svc_enum(topo_mod_t *mod, tnode_t *pnode, const char *name, 16395efa359SEric Schrock topo_instance_t min, topo_instance_t max, void *notused1, void *notused2) 16495efa359SEric Schrock { 16595efa359SEric Schrock (void) topo_method_register(mod, pnode, svc_methods); 16695efa359SEric Schrock return (0); 16795efa359SEric Schrock } 16895efa359SEric Schrock 16995efa359SEric Schrock static void 17095efa359SEric Schrock svc_release(topo_mod_t *mod, tnode_t *node) 17195efa359SEric Schrock { 17295efa359SEric Schrock topo_method_unregister_all(mod, node); 17395efa359SEric Schrock } 17495efa359SEric Schrock 17595efa359SEric Schrock static boolean_t 17695efa359SEric Schrock svc_component_valid(const char *str) 17795efa359SEric Schrock { 17895efa359SEric Schrock if (str == NULL) 17995efa359SEric Schrock return (B_TRUE); 18095efa359SEric Schrock 18195efa359SEric Schrock if (*str == '\0') 18295efa359SEric Schrock return (B_FALSE); 18395efa359SEric Schrock 18495efa359SEric Schrock if (strpbrk(str, "@/:") != NULL) 18595efa359SEric Schrock return (B_FALSE); 18695efa359SEric Schrock 18795efa359SEric Schrock return (B_TRUE); 18895efa359SEric Schrock } 18995efa359SEric Schrock 19095efa359SEric Schrock /*ARGSUSED*/ 19195efa359SEric Schrock static int 19295efa359SEric Schrock svc_fmri_nvl2str(topo_mod_t *mod, tnode_t *node, topo_version_t version, 19395efa359SEric Schrock nvlist_t *nvl, nvlist_t **out) 19495efa359SEric Schrock { 19595efa359SEric Schrock uint8_t scheme_version; 19695efa359SEric Schrock char *scope = NULL; 19795efa359SEric Schrock char *fqn = NULL; 19895efa359SEric Schrock char *contract = NULL; 19995efa359SEric Schrock char *instance = NULL; 20095efa359SEric Schrock char *service; 20195efa359SEric Schrock int err; 20295efa359SEric Schrock char *buf = NULL; 20395efa359SEric Schrock size_t buflen = 0; 20495efa359SEric Schrock ssize_t size = 0; 20595efa359SEric Schrock nvlist_t *fmristr; 20695efa359SEric Schrock 20795efa359SEric Schrock if (version > TOPO_METH_NVL2STR_VERSION) 20895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 20995efa359SEric Schrock 21095efa359SEric Schrock if (nvlist_lookup_uint8(nvl, FM_VERSION, &scheme_version) != 0 || 21195efa359SEric Schrock scheme_version > FM_SVC_SCHEME_VERSION) 21295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 21395efa359SEric Schrock 21495efa359SEric Schrock /* 21595efa359SEric Schrock * Check for optional members. 21695efa359SEric Schrock */ 21795efa359SEric Schrock err = nvlist_lookup_string(nvl, FM_FMRI_SVC_INSTANCE, &instance); 21895efa359SEric Schrock if ((err != 0 && err != ENOENT) || !svc_component_valid(instance)) 21995efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 22095efa359SEric Schrock err = nvlist_lookup_string(nvl, FM_FMRI_SVC_AUTH_SCOPE, &scope); 22195efa359SEric Schrock if ((err != 0 && err != ENOENT) || !svc_component_valid(scope)) 22295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 22395efa359SEric Schrock err = nvlist_lookup_string(nvl, FM_FMRI_SVC_AUTH_SYSTEM_FQN, &fqn); 22495efa359SEric Schrock if ((err != 0 && err != ENOENT) || !svc_component_valid(scope)) 22595efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 22695efa359SEric Schrock err = nvlist_lookup_string(nvl, FM_FMRI_SVC_CONTRACT_ID, &contract); 22795efa359SEric Schrock if ((err != 0 && err != ENOENT) || !svc_component_valid(contract)) 22895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 22995efa359SEric Schrock 23095efa359SEric Schrock /* 23195efa359SEric Schrock * Get the service name. 23295efa359SEric Schrock */ 23395efa359SEric Schrock if (nvlist_lookup_string(nvl, FM_FMRI_SVC_NAME, &service) != 0) 23495efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 23595efa359SEric Schrock 23695efa359SEric Schrock /* 23795efa359SEric Schrock * We make two passes through this code. The first time through we 23895efa359SEric Schrock * calculate the size of buffer that we'll need, and the second time 23995efa359SEric Schrock * through we fill it in. 24095efa359SEric Schrock */ 24195efa359SEric Schrock again: 24295efa359SEric Schrock /* 24395efa359SEric Schrock * svc://[scope@][system-fqn] 24495efa359SEric Schrock */ 24595efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, FM_FMRI_SCHEME_SVC, 24695efa359SEric Schrock NULL, "://"); 24795efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, scope, NULL, "@"); 24895efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, fqn, NULL, NULL); 24995efa359SEric Schrock 25095efa359SEric Schrock /* svc path */ 25195efa359SEric Schrock if (*service == '\0') 25295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 25395efa359SEric Schrock 25495efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, service, "/", NULL); 25595efa359SEric Schrock 25695efa359SEric Schrock /* [:instance][@contract-id] */ 25795efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, instance, ":", NULL); 25895efa359SEric Schrock topo_fmristr_build(&size, buf, buflen, contract, "@", NULL); 25995efa359SEric Schrock 26095efa359SEric Schrock if (buf == NULL) { 26195efa359SEric Schrock if ((buf = topo_mod_alloc(mod, size + 1)) == NULL) 26295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 26395efa359SEric Schrock 26495efa359SEric Schrock buflen = size + 1; 26595efa359SEric Schrock size = 0; 26695efa359SEric Schrock goto again; 26795efa359SEric Schrock } 26895efa359SEric Schrock 26995efa359SEric Schrock /* 27095efa359SEric Schrock * Construct the nvlist to return as the result. 27195efa359SEric Schrock */ 27295efa359SEric Schrock if (topo_mod_nvalloc(mod, &fmristr, NV_UNIQUE_NAME) != 0) { 27395efa359SEric Schrock topo_mod_strfree(mod, buf); 27495efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 27595efa359SEric Schrock } 27695efa359SEric Schrock 27795efa359SEric Schrock if (nvlist_add_string(fmristr, "fmri-string", buf) != 0) { 27895efa359SEric Schrock topo_mod_strfree(mod, buf); 27995efa359SEric Schrock nvlist_free(fmristr); 28095efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 28195efa359SEric Schrock } 28295efa359SEric Schrock topo_mod_strfree(mod, buf); 28395efa359SEric Schrock *out = fmristr; 28495efa359SEric Schrock 28595efa359SEric Schrock return (0); 28695efa359SEric Schrock } 28795efa359SEric Schrock 28895efa359SEric Schrock /*ARGSUSED*/ 28995efa359SEric Schrock static int 29095efa359SEric Schrock svc_fmri_str2nvl(topo_mod_t *mod, tnode_t *node, topo_version_t version, 29195efa359SEric Schrock nvlist_t *in, nvlist_t **out) 29295efa359SEric Schrock { 29395efa359SEric Schrock nvlist_t *fmri; 29495efa359SEric Schrock char *str, *loc, val; 29595efa359SEric Schrock 29695efa359SEric Schrock if (version > TOPO_METH_STR2NVL_VERSION) 29795efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 29895efa359SEric Schrock 29995efa359SEric Schrock if (nvlist_lookup_string(in, "fmri-string", &str) != 0) 30095efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 30195efa359SEric Schrock 30295efa359SEric Schrock if (strncmp(str, "svc://", 6) != 0) 30395efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_MALFORM)); 30495efa359SEric Schrock 30595efa359SEric Schrock if (topo_mod_nvalloc(mod, &fmri, NV_UNIQUE_NAME) != 0) 30695efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 30795efa359SEric Schrock 30895efa359SEric Schrock str += 6; 30995efa359SEric Schrock if ((loc = strpbrk(str, "@/")) == NULL) 31095efa359SEric Schrock goto malformed; 31195efa359SEric Schrock 31295efa359SEric Schrock if (*loc == '@') { 31395efa359SEric Schrock /* scope */ 31495efa359SEric Schrock *loc = '\0'; 31595efa359SEric Schrock if (!svc_component_valid(str)) { 31695efa359SEric Schrock *loc = '@'; 31795efa359SEric Schrock goto malformed; 31895efa359SEric Schrock } 31995efa359SEric Schrock 32095efa359SEric Schrock if (nvlist_add_string(fmri, FM_FMRI_SVC_AUTH_SCOPE, str) != 0) { 32195efa359SEric Schrock *loc = '@'; 32295efa359SEric Schrock goto nomem; 32395efa359SEric Schrock } 32495efa359SEric Schrock 32595efa359SEric Schrock *loc = '@'; 32695efa359SEric Schrock str = loc + 1; 32795efa359SEric Schrock if ((loc = strchr(str, '/')) == NULL) 32895efa359SEric Schrock goto malformed; 32995efa359SEric Schrock } 33095efa359SEric Schrock 33195efa359SEric Schrock if (loc != str) { 33295efa359SEric Schrock /* system-fqn */ 33395efa359SEric Schrock *loc = '\0'; 33495efa359SEric Schrock if (!svc_component_valid(str)) { 33595efa359SEric Schrock *loc = '/'; 33695efa359SEric Schrock goto malformed; 33795efa359SEric Schrock } 33895efa359SEric Schrock 33995efa359SEric Schrock if (nvlist_add_string(fmri, FM_FMRI_SVC_AUTH_SYSTEM_FQN, 34095efa359SEric Schrock str) != 0) { 34195efa359SEric Schrock *loc = '/'; 34295efa359SEric Schrock goto nomem; 34395efa359SEric Schrock } 34495efa359SEric Schrock 34595efa359SEric Schrock *loc = '/'; 34695efa359SEric Schrock } 34795efa359SEric Schrock 34895efa359SEric Schrock str = loc + 1; 34995efa359SEric Schrock loc = strpbrk(str, ":@"); 35095efa359SEric Schrock 35195efa359SEric Schrock if (str[0] == '\0' || loc == str) 35295efa359SEric Schrock goto malformed; 35395efa359SEric Schrock 35495efa359SEric Schrock if (loc != NULL) { 35595efa359SEric Schrock val = *loc; 35695efa359SEric Schrock *loc = '\0'; 35795efa359SEric Schrock } 35895efa359SEric Schrock 35995efa359SEric Schrock /* service name */ 36095efa359SEric Schrock if (nvlist_add_string(fmri, FM_FMRI_SVC_NAME, str) != 0) { 36195efa359SEric Schrock if (loc != NULL) 36295efa359SEric Schrock *loc = val; 36395efa359SEric Schrock goto nomem; 36495efa359SEric Schrock } 36595efa359SEric Schrock 36695efa359SEric Schrock if (loc != NULL) 36795efa359SEric Schrock *loc = val; 36895efa359SEric Schrock 36995efa359SEric Schrock if (loc != NULL && *loc == ':') { 37095efa359SEric Schrock /* instance */ 37195efa359SEric Schrock str = loc + 1; 37295efa359SEric Schrock if (str[0] == '\0' || str[0] == '@') 37395efa359SEric Schrock goto malformed; 37495efa359SEric Schrock 37595efa359SEric Schrock loc = strchr(str, '@'); 37695efa359SEric Schrock if (loc != NULL) 37795efa359SEric Schrock *loc = '\0'; 37895efa359SEric Schrock 37995efa359SEric Schrock if (nvlist_add_string(fmri, FM_FMRI_SVC_INSTANCE, 38095efa359SEric Schrock str) != 0) { 38195efa359SEric Schrock if (loc != NULL) 38295efa359SEric Schrock *loc = '@'; 38395efa359SEric Schrock goto nomem; 38495efa359SEric Schrock } 38595efa359SEric Schrock 38695efa359SEric Schrock if (loc != NULL) 38795efa359SEric Schrock *loc = '@'; 38895efa359SEric Schrock } 38995efa359SEric Schrock 39095efa359SEric Schrock if (loc != NULL) { 39195efa359SEric Schrock /* contract-id */ 39295efa359SEric Schrock assert(*loc == '@'); 39395efa359SEric Schrock str = loc + 1; 39495efa359SEric Schrock if (str[0] == '\0') 39595efa359SEric Schrock goto malformed; 39695efa359SEric Schrock 39795efa359SEric Schrock if (nvlist_add_string(fmri, FM_FMRI_SVC_CONTRACT_ID, 39895efa359SEric Schrock str) != 0) { 39995efa359SEric Schrock goto nomem; 40095efa359SEric Schrock } 40195efa359SEric Schrock } 40295efa359SEric Schrock 40395efa359SEric Schrock if (nvlist_add_uint8(fmri, FM_VERSION, FM_SVC_SCHEME_VERSION) != 0 || 40495efa359SEric Schrock nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_SVC) != 0) 40595efa359SEric Schrock goto nomem; 40695efa359SEric Schrock 40795efa359SEric Schrock *out = fmri; 40895efa359SEric Schrock return (0); 40995efa359SEric Schrock 41095efa359SEric Schrock malformed: 41195efa359SEric Schrock nvlist_free(fmri); 41295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_MALFORM)); 41395efa359SEric Schrock 41495efa359SEric Schrock nomem: 41595efa359SEric Schrock nvlist_free(fmri); 41695efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NOMEM)); 41795efa359SEric Schrock } 41895efa359SEric Schrock 41995efa359SEric Schrock /* 42095efa359SEric Schrock * This common function is shared by all consumers (present, unusable, and 42195efa359SEric Schrock * service_state). It returns one of the FMD_SERVICE_STATE_* states, where 42295efa359SEric Schrock * FMD_SERVICE_STATE_UNKNOWN means that the FMRI is not present. 42395efa359SEric Schrock */ 42495efa359SEric Schrock static int 42595efa359SEric Schrock svc_get_state(topo_mod_t *mod, nvlist_t *fmri, boolean_t presence_only, 42695efa359SEric Schrock int *ret) 42795efa359SEric Schrock { 428*9f342a5aSEric Schrock scf_handle_t *hdl; 42995efa359SEric Schrock uint8_t fmversion; 43095efa359SEric Schrock char *instance, *name; 43195efa359SEric Schrock scf_service_t *svc = NULL; 43295efa359SEric Schrock scf_scope_t *scope = NULL; 43395efa359SEric Schrock scf_instance_t *inst = NULL; 43495efa359SEric Schrock scf_property_t *prop = NULL; 43595efa359SEric Schrock scf_iter_t *iter = NULL; 43695efa359SEric Schrock scf_value_t *val = NULL; 43795efa359SEric Schrock scf_propertygroup_t *pg = NULL; 43895efa359SEric Schrock int err, retval = 0; 43995efa359SEric Schrock ssize_t len; 44095efa359SEric Schrock char *state; 44195efa359SEric Schrock 442*9f342a5aSEric Schrock if ((hdl = svc_get_handle(mod)) == NULL) 443*9f342a5aSEric Schrock return (-1); 444*9f342a5aSEric Schrock 44595efa359SEric Schrock if (nvlist_lookup_uint8(fmri, FM_VERSION, &fmversion) != 0 || 44695efa359SEric Schrock fmversion > FM_SVC_SCHEME_VERSION || 44795efa359SEric Schrock nvlist_lookup_string(fmri, FM_FMRI_SVC_NAME, &name) != 0) 44895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_FMRI_MALFORM)); 44995efa359SEric Schrock 45095efa359SEric Schrock if ((svc = scf_service_create(hdl)) == NULL || 45195efa359SEric Schrock (inst = scf_instance_create(hdl)) == NULL || 45295efa359SEric Schrock (scope = scf_scope_create(hdl)) == NULL || 45395efa359SEric Schrock (prop = scf_property_create(hdl)) == NULL || 45495efa359SEric Schrock (iter = scf_iter_create(hdl)) == NULL || 45595efa359SEric Schrock (pg = scf_pg_create(hdl)) == NULL || 45695efa359SEric Schrock (val = scf_value_create(hdl)) == NULL) 45795efa359SEric Schrock goto error; 45895efa359SEric Schrock 45995efa359SEric Schrock if (scf_handle_get_scope(hdl, SCF_SCOPE_LOCAL, scope) != 0) 46095efa359SEric Schrock goto error; 46195efa359SEric Schrock 46295efa359SEric Schrock /* 46395efa359SEric Schrock * If we fail to get the service due to _DELETED or _NOT_FOUND, then we 46495efa359SEric Schrock * treat this as not present. 46595efa359SEric Schrock */ 46695efa359SEric Schrock if (scf_scope_get_service(scope, name, svc) != 0) { 46795efa359SEric Schrock err = scf_error(); 46895efa359SEric Schrock if (err == SCF_ERROR_NOT_FOUND || err == SCF_ERROR_DELETED) { 46995efa359SEric Schrock *ret = FMD_SERVICE_STATE_UNKNOWN; 47095efa359SEric Schrock goto out; 47195efa359SEric Schrock } else { 47295efa359SEric Schrock goto error; 47395efa359SEric Schrock } 47495efa359SEric Schrock } 47595efa359SEric Schrock 47695efa359SEric Schrock /* 47795efa359SEric Schrock * If there is no instance, then it is always present, and always 47895efa359SEric Schrock * usuable. 47995efa359SEric Schrock */ 48095efa359SEric Schrock if (nvlist_lookup_string(fmri, FM_FMRI_SVC_INSTANCE, &instance) != 0) { 48195efa359SEric Schrock *ret = FMD_SERVICE_STATE_OK; 48295efa359SEric Schrock goto out; 48395efa359SEric Schrock } 48495efa359SEric Schrock 48595efa359SEric Schrock /* 48695efa359SEric Schrock * Again, check for _DELETED or _NOT_FOUND. 48795efa359SEric Schrock */ 48895efa359SEric Schrock if (scf_service_get_instance(svc, instance, inst) != 0) { 48995efa359SEric Schrock err = scf_error(); 49095efa359SEric Schrock if (err == SCF_ERROR_NOT_FOUND || err == SCF_ERROR_DELETED) { 49195efa359SEric Schrock *ret = FMD_SERVICE_STATE_UNKNOWN; 49295efa359SEric Schrock goto out; 49395efa359SEric Schrock } else { 49495efa359SEric Schrock goto error; 49595efa359SEric Schrock } 49695efa359SEric Schrock } 49795efa359SEric Schrock 49895efa359SEric Schrock /* 49995efa359SEric Schrock * For presence, we are done. Otherwise, we need to get the current 50095efa359SEric Schrock * state of the instance. 50195efa359SEric Schrock */ 50295efa359SEric Schrock if (presence_only) { 50395efa359SEric Schrock *ret = FMD_SERVICE_STATE_OK; 50495efa359SEric Schrock goto out; 50595efa359SEric Schrock } 50695efa359SEric Schrock 50795efa359SEric Schrock if (scf_instance_get_pg(inst, SCF_PG_RESTARTER, pg) != 0 || 50895efa359SEric Schrock scf_pg_get_property(pg, SCF_PROPERTY_STATE, prop) != 0 || 50995efa359SEric Schrock scf_iter_property_values(iter, prop) != 0 || 51095efa359SEric Schrock scf_iter_next_value(iter, val) != 1) 51195efa359SEric Schrock goto error; 51295efa359SEric Schrock 51395efa359SEric Schrock if ((len = scf_value_get_astring(val, NULL, 0)) < 0) 51495efa359SEric Schrock goto error; 51595efa359SEric Schrock 51695efa359SEric Schrock state = alloca(len + 1); 51795efa359SEric Schrock if (scf_value_get_astring(val, state, len + 1) < 0) 51895efa359SEric Schrock goto error; 51995efa359SEric Schrock 52095efa359SEric Schrock if (strcmp(state, SCF_STATE_STRING_MAINT) == 0) 52195efa359SEric Schrock *ret = FMD_SERVICE_STATE_UNUSABLE; 52295efa359SEric Schrock else if (strcmp(state, SCF_STATE_STRING_DEGRADED) == 0) 52395efa359SEric Schrock *ret = FMD_SERVICE_STATE_DEGRADED; 52495efa359SEric Schrock else 52595efa359SEric Schrock *ret = FMD_SERVICE_STATE_OK; 52695efa359SEric Schrock goto out; 52795efa359SEric Schrock 52895efa359SEric Schrock error: 52995efa359SEric Schrock retval = -1; 53095efa359SEric Schrock out: 53195efa359SEric Schrock scf_value_destroy(val); 53295efa359SEric Schrock scf_pg_destroy(pg); 53395efa359SEric Schrock scf_iter_destroy(iter); 53495efa359SEric Schrock scf_property_destroy(prop); 53595efa359SEric Schrock scf_instance_destroy(inst); 53695efa359SEric Schrock scf_scope_destroy(scope); 53795efa359SEric Schrock scf_service_destroy(svc); 53895efa359SEric Schrock return (retval); 53995efa359SEric Schrock } 54095efa359SEric Schrock 54195efa359SEric Schrock /*ARGSUSED*/ 54295efa359SEric Schrock static int 54395efa359SEric Schrock svc_fmri_present(topo_mod_t *mod, tnode_t *node, topo_version_t version, 54495efa359SEric Schrock nvlist_t *in, nvlist_t **out) 54595efa359SEric Schrock { 54695efa359SEric Schrock int state; 54795efa359SEric Schrock 54895efa359SEric Schrock if (version > TOPO_METH_PRESENT_VERSION) 54995efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 55095efa359SEric Schrock 55195efa359SEric Schrock if (svc_get_state(mod, in, B_TRUE, &state) != 0) 55295efa359SEric Schrock return (-1); 55395efa359SEric Schrock 55495efa359SEric Schrock if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) != 0) 55595efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 55695efa359SEric Schrock if (nvlist_add_uint32(*out, TOPO_METH_PRESENT_RET, 55795efa359SEric Schrock state != FMD_SERVICE_STATE_UNKNOWN) != 0) { 55895efa359SEric Schrock nvlist_free(*out); 55995efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 56095efa359SEric Schrock } 56195efa359SEric Schrock 56295efa359SEric Schrock return (0); 56395efa359SEric Schrock } 56495efa359SEric Schrock 56595efa359SEric Schrock /*ARGSUSED*/ 56695efa359SEric Schrock static int 56795efa359SEric Schrock svc_fmri_replaced(topo_mod_t *mod, tnode_t *node, topo_version_t version, 56895efa359SEric Schrock nvlist_t *in, nvlist_t **out) 56995efa359SEric Schrock { 57095efa359SEric Schrock int state; 57195efa359SEric Schrock 57295efa359SEric Schrock if (version > TOPO_METH_REPLACED_VERSION) 57395efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 57495efa359SEric Schrock 57595efa359SEric Schrock if (svc_get_state(mod, in, B_TRUE, &state) != 0) 57695efa359SEric Schrock return (-1); 57795efa359SEric Schrock 57895efa359SEric Schrock if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) != 0) 57995efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 58095efa359SEric Schrock if (nvlist_add_uint32(*out, TOPO_METH_REPLACED_RET, 58195efa359SEric Schrock state == FMD_SERVICE_STATE_UNKNOWN ? 58295efa359SEric Schrock FMD_OBJ_STATE_NOT_PRESENT : FMD_OBJ_STATE_UNKNOWN) != 0) { 58395efa359SEric Schrock nvlist_free(*out); 58495efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 58595efa359SEric Schrock } 58695efa359SEric Schrock 58795efa359SEric Schrock return (0); 58895efa359SEric Schrock } 58995efa359SEric Schrock 59095efa359SEric Schrock /*ARGSUSED*/ 59195efa359SEric Schrock static int 59295efa359SEric Schrock svc_fmri_service_state(topo_mod_t *mod, tnode_t *node, topo_version_t version, 59395efa359SEric Schrock nvlist_t *in, nvlist_t **out) 59495efa359SEric Schrock { 59595efa359SEric Schrock int state; 59695efa359SEric Schrock 59795efa359SEric Schrock if (version > TOPO_METH_SERVICE_STATE_VERSION) 59895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 59995efa359SEric Schrock 60095efa359SEric Schrock if (svc_get_state(mod, in, B_FALSE, &state) != 0) 60195efa359SEric Schrock return (-1); 60295efa359SEric Schrock 60395efa359SEric Schrock if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) != 0) 60495efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 60595efa359SEric Schrock if (nvlist_add_uint32(*out, TOPO_METH_SERVICE_STATE_RET, 60695efa359SEric Schrock state) != 0) { 60795efa359SEric Schrock nvlist_free(*out); 60895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 60995efa359SEric Schrock } 61095efa359SEric Schrock 61195efa359SEric Schrock return (0); 61295efa359SEric Schrock } 61395efa359SEric Schrock 61495efa359SEric Schrock /*ARGSUSED*/ 61595efa359SEric Schrock static int 61695efa359SEric Schrock svc_fmri_unusable(topo_mod_t *mod, tnode_t *node, topo_version_t version, 61795efa359SEric Schrock nvlist_t *in, nvlist_t **out) 61895efa359SEric Schrock { 61995efa359SEric Schrock int state; 62095efa359SEric Schrock 62195efa359SEric Schrock if (version > TOPO_METH_UNUSABLE_VERSION) 62295efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 62395efa359SEric Schrock 62495efa359SEric Schrock if (svc_get_state(mod, in, B_FALSE, &state) != 0) 62595efa359SEric Schrock return (-1); 62695efa359SEric Schrock 62795efa359SEric Schrock if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) != 0) 62895efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 62995efa359SEric Schrock if (nvlist_add_uint32(*out, TOPO_METH_UNUSABLE_RET, 63095efa359SEric Schrock (state == FMD_SERVICE_STATE_UNKNOWN || 63195efa359SEric Schrock state == FMD_SERVICE_STATE_UNUSABLE)) != 0) { 63295efa359SEric Schrock nvlist_free(*out); 63395efa359SEric Schrock return (topo_mod_seterrno(mod, EMOD_NVL_INVAL)); 63495efa359SEric Schrock } 63595efa359SEric Schrock 63695efa359SEric Schrock return (0); 63795efa359SEric Schrock } 638