diff options
Diffstat (limited to 'source3/winbindd/winbindd_sid.c')
-rw-r--r-- | source3/winbindd/winbindd_sid.c | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/source3/winbindd/winbindd_sid.c b/source3/winbindd/winbindd_sid.c index f8cf7db920..db000682ae 100644 --- a/source3/winbindd/winbindd_sid.c +++ b/source3/winbindd/winbindd_sid.c @@ -27,108 +27,6 @@ /* Convert a string */ -static void lookupsid_recv(void *private_data, bool success, - const char *dom_name, const char *name, - enum lsa_SidType type); - -void winbindd_lookupsid(struct winbindd_cli_state *state) -{ - DOM_SID sid; - - /* Ensure null termination */ - state->request->data.sid[sizeof(state->request->data.sid)-1]='\0'; - - DEBUG(3, ("[%5lu]: lookupsid %s\n", (unsigned long)state->pid, - state->request->data.sid)); - - if (!string_to_sid(&sid, state->request->data.sid)) { - DEBUG(5, ("%s not a SID\n", state->request->data.sid)); - request_error(state); - return; - } - - winbindd_lookupsid_async(state->mem_ctx, &sid, lookupsid_recv, state); -} - -static void lookupsid_recv(void *private_data, bool success, - const char *dom_name, const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("lookupsid returned an error\n")); - request_error(state); - return; - } - - fstrcpy(state->response->data.name.dom_name, dom_name); - fstrcpy(state->response->data.name.name, name); - state->response->data.name.type = type; - request_ok(state); -} - -/** - * Look up the SID for a qualified name. - **/ - -static void lookupname_recv(void *private_data, bool success, - const DOM_SID *sid, enum lsa_SidType type); - -void winbindd_lookupname(struct winbindd_cli_state *state) -{ - char *name_domain, *name_user; - char *p; - - /* Ensure null termination */ - state->request->data.name.dom_name[sizeof(state->request->data.name.dom_name)-1]='\0'; - - /* Ensure null termination */ - state->request->data.name.name[sizeof(state->request->data.name.name)-1]='\0'; - - /* cope with the name being a fully qualified name */ - p = strstr(state->request->data.name.name, lp_winbind_separator()); - if (p) { - *p = 0; - name_domain = state->request->data.name.name; - name_user = p+1; - } else if ((p = strchr(state->request->data.name.name, '@')) != NULL) { - /* upn */ - name_domain = p + 1; - *p = 0; - name_user = state->request->data.name.name; - } else { - name_domain = state->request->data.name.dom_name; - name_user = state->request->data.name.name; - } - - DEBUG(3, ("[%5lu]: lookupname %s%s%s\n", (unsigned long)state->pid, - name_domain, lp_winbind_separator(), name_user)); - - winbindd_lookupname_async(state->mem_ctx, name_domain, name_user, - lookupname_recv, WINBINDD_LOOKUPNAME, - state); -} - -static void lookupname_recv(void *private_data, bool success, - const DOM_SID *sid, enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("lookupname returned an error\n")); - request_error(state); - return; - } - - sid_to_fstring(state->response->data.sid.sid, sid); - state->response->data.sid.type = type; - request_ok(state); - return; -} - void winbindd_lookuprids(struct winbindd_cli_state *state) { struct winbindd_domain *domain; @@ -157,228 +55,6 @@ void winbindd_lookuprids(struct winbindd_cli_state *state) sendto_domain(state, domain); } -/* Convert a sid to a uid. We assume we only have one rid attached to the - sid. */ - -static void sid2uid_recv(void *private_data, bool success, uid_t uid) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - struct dom_sid sid; - - string_to_sid(&sid, state->request->data.sid); - - if (!success) { - DEBUG(5, ("Could not convert sid %s\n", - state->request->data.sid)); - request_error(state); - return; - } - - state->response->data.uid = uid; - request_ok(state); -} - -static void sid2uid_lookupsid_recv( void *private_data, bool success, - const char *domain_name, - const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - DOM_SID sid; - - if (!string_to_sid(&sid, state->request->data.sid)) { - DEBUG(1, ("sid2uid_lookupsid_recv: Could not get convert sid " - "%s from string\n", state->request->data.sid)); - request_error(state); - return; - } - - if (!success) { - DEBUG(5, ("sid2uid_lookupsid_recv Could not convert get sid type for %s\n", - state->request->data.sid)); - goto fail; - } - - if ( (type!=SID_NAME_USER) && (type!=SID_NAME_COMPUTER) ) { - DEBUG(5,("sid2uid_lookupsid_recv: Sid %s is not a user or a computer.\n", - state->request->data.sid)); - goto fail; - } - - /* always use the async interface (may block) */ - winbindd_sid2uid_async(state->mem_ctx, &sid, sid2uid_recv, state); - return; - - fail: - /* - * We have to set the cache ourselves here, the child which is - * normally responsible was not queried yet. - */ - idmap_cache_set_sid2uid(&sid, -1); - request_error(state); - return; -} - -void winbindd_sid_to_uid(struct winbindd_cli_state *state) -{ - DOM_SID sid; - uid_t uid; - bool expired; - - /* Ensure null termination */ - state->request->data.sid[sizeof(state->request->data.sid)-1]='\0'; - - DEBUG(3, ("[%5lu]: sid to uid %s\n", (unsigned long)state->pid, - state->request->data.sid)); - - if (!string_to_sid(&sid, state->request->data.sid)) { - DEBUG(1, ("Could not get convert sid %s from string\n", - state->request->data.sid)); - request_error(state); - return; - } - - if (idmap_cache_find_sid2uid(&sid, &uid, &expired)) { - DEBUG(10, ("idmap_cache_find_sid2uid found %d%s\n", - (int)uid, expired ? " (expired)": "")); - if (expired && IS_DOMAIN_ONLINE(find_our_domain())) { - DEBUG(10, ("revalidating expired entry\n")); - goto backend; - } - if (uid == -1) { - DEBUG(10, ("Returning negative cache entry\n")); - request_error(state); - return; - } - DEBUG(10, ("Returning positive cache entry\n")); - state->response->data.uid = uid; - request_ok(state); - return; - } - - /* Validate the SID as a user. Hopefully this will hit cache. - Needed to prevent DoS by exhausting the uid allocation - range from random SIDs. */ - - backend: - winbindd_lookupsid_async( state->mem_ctx, &sid, sid2uid_lookupsid_recv, state ); -} - -/* Convert a sid to a gid. We assume we only have one rid attached to the - sid.*/ - -static void sid2gid_recv(void *private_data, bool success, gid_t gid) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - struct dom_sid sid; - - string_to_sid(&sid, state->request->data.sid); - - if (!success) { - DEBUG(5, ("Could not convert sid %s\n", - state->request->data.sid)); - request_error(state); - return; - } - - state->response->data.gid = gid; - request_ok(state); -} - -static void sid2gid_lookupsid_recv( void *private_data, bool success, - const char *domain_name, - const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - DOM_SID sid; - - if (!string_to_sid(&sid, state->request->data.sid)) { - DEBUG(1, ("sid2gid_lookupsid_recv: Could not get convert sid " - "%s from string\n", state->request->data.sid)); - request_error(state); - return; - } - - if (!success) { - DEBUG(5, ("sid2gid_lookupsid_recv: Could not get sid type for %s\n", - state->request->data.sid)); - goto fail; - } - - if ( (type!=SID_NAME_DOM_GRP) && - (type!=SID_NAME_ALIAS) && - (type!=SID_NAME_WKN_GRP) ) - { - DEBUG(5,("sid2gid_lookupsid_recv: Sid %s is not a group.\n", - state->request->data.sid)); - goto fail; - } - - /* always use the async interface (may block) */ - winbindd_sid2gid_async(state->mem_ctx, &sid, sid2gid_recv, state); - return; - - fail: - /* - * We have to set the cache ourselves here, the child which is - * normally responsible was not queried yet. - */ - idmap_cache_set_sid2gid(&sid, -1); - request_error(state); - return; -} - -void winbindd_sid_to_gid(struct winbindd_cli_state *state) -{ - DOM_SID sid; - gid_t gid; - bool expired; - - /* Ensure null termination */ - state->request->data.sid[sizeof(state->request->data.sid)-1]='\0'; - - DEBUG(3, ("[%5lu]: sid to gid %s\n", (unsigned long)state->pid, - state->request->data.sid)); - - if (!string_to_sid(&sid, state->request->data.sid)) { - DEBUG(1, ("Could not get convert sid %s from string\n", - state->request->data.sid)); - request_error(state); - return; - } - - if (idmap_cache_find_sid2gid(&sid, &gid, &expired)) { - DEBUG(10, ("idmap_cache_find_sid2gid found %d%s\n", - (int)gid, expired ? " (expired)": "")); - if (expired && IS_DOMAIN_ONLINE(find_our_domain())) { - DEBUG(10, ("revalidating expired entry\n")); - goto backend; - } - if (gid == -1) { - DEBUG(10, ("Returning negative cache entry\n")); - request_error(state); - return; - } - DEBUG(10, ("Returning positive cache entry\n")); - state->response->data.gid = gid; - request_ok(state); - return; - } - - /* Validate the SID as a group. Hopefully this will hit cache. - Needed to prevent DoS by exhausting the uid allocation - range from random SIDs. */ - - backend: - winbindd_lookupsid_async( state->mem_ctx, &sid, sid2gid_lookupsid_recv, - state ); -} - static void set_mapping_recv(void *private_data, bool success) { struct winbindd_cli_state *state = @@ -495,122 +171,6 @@ void winbindd_set_hwm(struct winbindd_cli_state *state) winbindd_set_hwm_async(state->mem_ctx, &xid, set_hwm_recv, state); } -/* Convert a uid to a sid */ - -static void uid2sid_recv(void *private_data, bool success, const char *sidstr) -{ - struct winbindd_cli_state *state = - (struct winbindd_cli_state *)private_data; - struct dom_sid sid; - - if (!success || !string_to_sid(&sid, sidstr)) { - ZERO_STRUCT(sid); - idmap_cache_set_sid2uid(&sid, state->request->data.uid); - request_error(state); - return; - } - - DEBUG(10,("uid2sid: uid %lu has sid %s\n", - (unsigned long)(state->request->data.uid), sidstr)); - - idmap_cache_set_sid2uid(&sid, state->request->data.uid); - fstrcpy(state->response->data.sid.sid, sidstr); - state->response->data.sid.type = SID_NAME_USER; - request_ok(state); - return; -} - -void winbindd_uid_to_sid(struct winbindd_cli_state *state) -{ - struct dom_sid sid; - bool expired; - - DEBUG(3, ("[%5lu]: uid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request->data.uid)); - - if (idmap_cache_find_uid2sid(state->request->data.uid, &sid, - &expired)) { - DEBUG(10, ("idmap_cache_find_uid2sid found %d%s\n", - (int)state->request->data.uid, - expired ? " (expired)": "")); - if (expired && IS_DOMAIN_ONLINE(find_our_domain())) { - DEBUG(10, ("revalidating expired entry\n")); - goto backend; - } - if (is_null_sid(&sid)) { - DEBUG(10, ("Returning negative cache entry\n")); - request_error(state); - return; - } - DEBUG(10, ("Returning positive cache entry\n")); - sid_to_fstring(state->response->data.sid.sid, &sid); - request_ok(state); - return; - } - - /* always go via the async interface (may block) */ - backend: - winbindd_uid2sid_async(state->mem_ctx, state->request->data.uid, uid2sid_recv, state); -} - -/* Convert a gid to a sid */ - -static void gid2sid_recv(void *private_data, bool success, const char *sidstr) -{ - struct winbindd_cli_state *state = - (struct winbindd_cli_state *)private_data; - struct dom_sid sid; - - if (!success || !string_to_sid(&sid, sidstr)) { - ZERO_STRUCT(sid); - idmap_cache_set_sid2gid(&sid, state->request->data.gid); - request_error(state); - return; - } - DEBUG(10,("gid2sid: gid %lu has sid %s\n", - (unsigned long)(state->request->data.gid), sidstr)); - - idmap_cache_set_sid2gid(&sid, state->request->data.gid); - fstrcpy(state->response->data.sid.sid, sidstr); - state->response->data.sid.type = SID_NAME_DOM_GRP; - request_ok(state); - return; -} - - -void winbindd_gid_to_sid(struct winbindd_cli_state *state) -{ - struct dom_sid sid; - bool expired; - - DEBUG(3, ("[%5lu]: gid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request->data.gid)); - - if (idmap_cache_find_gid2sid(state->request->data.gid, &sid, - &expired)) { - DEBUG(10, ("idmap_cache_find_gid2sid found %d%s\n", - (int)state->request->data.gid, - expired ? " (expired)": "")); - if (expired && IS_DOMAIN_ONLINE(find_our_domain())) { - DEBUG(10, ("revalidating expired entry\n")); - goto backend; - } - if (is_null_sid(&sid)) { - DEBUG(10, ("Returning negative cache entry\n")); - request_error(state); - return; - } - DEBUG(10, ("Returning positive cache entry\n")); - sid_to_fstring(state->response->data.sid.sid, &sid); - request_ok(state); - return; - } - - /* always use async calls (may block) */ - backend: - winbindd_gid2sid_async(state->mem_ctx, state->request->data.gid, gid2sid_recv, state); -} - void winbindd_allocate_uid(struct winbindd_cli_state *state) { if ( !state->privileged ) { |