diff options
author | Simo Sorce <ssorce@redhat.com> | 2010-02-28 11:00:21 -0500 |
---|---|---|
committer | Stephen Gallagher <sgallagh@redhat.com> | 2010-04-12 09:22:13 -0400 |
commit | c4a8b4169eea9661156d78dfe73a723fc5b61697 (patch) | |
tree | 9093c50e0d028301a80be4e694f2530ed868aab3 | |
parent | 506d34d2e84268c6589f613de0cb3992b8fb87a6 (diff) | |
download | sssd-c4a8b4169eea9661156d78dfe73a723fc5b61697.tar.gz sssd-c4a8b4169eea9661156d78dfe73a723fc5b61697.tar.bz2 sssd-c4a8b4169eea9661156d78dfe73a723fc5b61697.zip |
sysdb: convert sysdb_get_new_id
-rw-r--r-- | src/db/sysdb.h | 9 | ||||
-rw-r--r-- | src/db/sysdb_ops.c | 524 |
2 files changed, 136 insertions, 397 deletions
diff --git a/src/db/sysdb.h b/src/db/sysdb.h index dc311f10..1e4e0c16 100644 --- a/src/db/sysdb.h +++ b/src/db/sysdb.h @@ -405,11 +405,10 @@ int sysdb_set_group_attr(TALLOC_CTX *mem_ctx, int mod_op); /* Allocate a new id */ -struct tevent_req *sysdb_get_new_id_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct sysdb_handle *handle, - struct sss_domain_info *domain); -int sysdb_get_new_id_recv(struct tevent_req *req, uint32_t *id); +int sysdb_get_new_id(TALLOC_CTX *mem_ctx, + struct sysdb_ctx *ctx, + struct sss_domain_info *domain, + uint32_t *id); /* Add user (only basic attrs and w/o checks) */ struct tevent_req *sysdb_add_basic_user_send(TALLOC_CTX *mem_ctx, diff --git a/src/db/sysdb_ops.c b/src/db/sysdb_ops.c index 518d66fd..ee86f972 100644 --- a/src/db/sysdb_ops.c +++ b/src/db/sysdb_ops.c @@ -625,358 +625,166 @@ int sysdb_set_group_attr(TALLOC_CTX *mem_ctx, /* =Get-New-ID============================================================ */ -struct sysdb_get_new_id_state { - struct tevent_context *ev; - struct sysdb_handle *handle; - struct sss_domain_info *domain; - - struct ldb_dn *base_dn; - struct ldb_message *base; - - struct ldb_message **v_msgs; - int v_count; - - uint32_t new_id; -}; - -static void sysdb_get_new_id_base(struct tevent_req *subreq); -static void sysdb_get_new_id_verify(struct tevent_req *subreq); -static void sysdb_get_new_id_done(struct tevent_req *subreq); - -struct tevent_req *sysdb_get_new_id_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct sysdb_handle *handle, - struct sss_domain_info *domain) +int sysdb_get_new_id(TALLOC_CTX *mem_ctx, + struct sysdb_ctx *ctx, + struct sss_domain_info *domain, + uint32_t *_id) { - struct tevent_req *req, *subreq; - struct sysdb_get_new_id_state *state; - static const char *attrs[] = { SYSDB_NEXTID, NULL }; - struct ldb_request *ldbreq; + TALLOC_CTX *tmpctx; + const char *attrs_1[] = { SYSDB_NEXTID, NULL }; + const char *attrs_2[] = { SYSDB_UIDNUM, SYSDB_GIDNUM, NULL }; + struct ldb_dn *base_dn; + char *filter; + uint32_t new_id = 0; + struct ldb_message **msgs; + size_t count; + struct ldb_message *msg; + uint32_t id; int ret; + int i; - req = tevent_req_create(mem_ctx, &state, struct sysdb_get_new_id_state); - if (!req) return NULL; - - state->ev = ev; - state->handle = handle; - state->domain = domain; - state->base = NULL; - state->v_msgs = NULL; - state->v_count = 0; - state->new_id = 0; - - state->base_dn = sysdb_domain_dn(handle->ctx, state, domain->name); - if (!state->base_dn) { - ERROR_OUT(ret, ENOMEM, fail); - } - - ret = ldb_build_search_req(&ldbreq, handle->ctx->ldb, state, - state->base_dn, LDB_SCOPE_BASE, - SYSDB_NEXTID_FILTER, attrs, - NULL, NULL, NULL, NULL); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Failed to build search request: %s(%d)[%s]\n", - ldb_strerror(ret), ret, ldb_errstring(handle->ctx->ldb))); - ERROR_OUT(ret, sysdb_error_to_errno(ret), fail); + tmpctx = talloc_new(mem_ctx); + if (!tmpctx) { + return ENOMEM; } - subreq = sldb_request_send(state, ev, handle->ctx->ldb, ldbreq); - if (!subreq) { - ERROR_OUT(ret, ENOMEM, fail); + base_dn = sysdb_domain_dn(ctx, tmpctx, domain->name); + if (!base_dn) { + talloc_zfree(tmpctx); + return ENOMEM; } - tevent_req_set_callback(subreq, sysdb_get_new_id_base, req); - return req; - -fail: - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - tevent_req_post(req, ev); - return req; -} - -static void sysdb_get_new_id_base(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sysdb_get_new_id_state *state = tevent_req_data(req, - struct sysdb_get_new_id_state); - static const char *attrs[] = { SYSDB_UIDNUM, SYSDB_GIDNUM, NULL }; - struct ldb_reply *ldbreply; - struct ldb_request *ldbreq; - char *filter; - int ret; - - ret = sldb_request_recv(subreq, state, &ldbreply); + ret = ldb_transaction_start(ctx->ldb); if (ret) { - talloc_zfree(subreq); - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - switch (ldbreply->type) { - case LDB_REPLY_ENTRY: - if (state->base) { - DEBUG(1, ("More than one reply for a base search ?! " - "DB seems corrupted, aborting.\n")); - tevent_req_error(req, EFAULT); - return; - } - - state->base = talloc_move(state, &ldbreply->message); - if (!state->base) { - DEBUG(6, ("Error: Out of memory!\n")); - tevent_req_error(req, ENOMEM); - return; - } - - /* just return, wait for a LDB_REPLY_DONE entry */ - talloc_zfree(ldbreply); - return; - - case LDB_REPLY_DONE: - break; - - default: - /* unexpected stuff */ - DEBUG(6, ("Error: Unknown error\n")); - tevent_req_error(req, EIO); - talloc_zfree(ldbreply); - return; + talloc_zfree(tmpctx); + ret = sysdb_error_to_errno(ret); + return ret; } - talloc_zfree(subreq); - - if (state->base) { - state->new_id = get_attr_as_uint32(state->base, SYSDB_NEXTID); - if (state->new_id == (uint32_t)(-1)) { - DEBUG(1, ("Invalid Next ID in domain %s\n", state->domain->name)); - tevent_req_error(req, ERANGE); - return; + ret = sysdb_search_entry(tmpctx, ctx, base_dn, LDB_SCOPE_BASE, + SYSDB_NEXTID_FILTER, attrs_1, &count, &msgs); + switch (ret) { + case EOK: + new_id = get_attr_as_uint32(msgs[0], SYSDB_NEXTID); + if (new_id == (uint32_t)(-1)) { + DEBUG(1, ("Invalid Next ID in domain %s\n", domain->name)); + ret = ERANGE; + goto done; } - if (state->new_id < state->domain->id_min) { - state->new_id = state->domain->id_min; + if (new_id < domain->id_min) { + new_id = domain->id_min; } - if ((state->domain->id_max != 0) && - (state->new_id > state->domain->id_max)) { + if ((domain->id_max != 0) && (new_id > domain->id_max)) { DEBUG(0, ("Failed to allocate new id, out of range (%u/%u)\n", - state->new_id, state->domain->id_max)); - tevent_req_error(req, ERANGE); - return; + new_id, domain->id_max)); + ret = ERANGE; + goto done; } + break; - } else { + case ENOENT: /* looks like the domain is not initialized yet, use min_id */ - state->new_id = state->domain->id_min; + new_id = domain->id_min; + break; + + default: + goto done; } + talloc_zfree(msgs); + count = 0; /* verify the id is actually really free. * search all entries with id >= new_id and < max_id */ - if (state->domain->id_max) { - filter = talloc_asprintf(state, + if (domain->id_max) { + filter = talloc_asprintf(tmpctx, "(|(&(%s>=%u)(%s<=%u))(&(%s>=%u)(%s<=%u)))", - SYSDB_UIDNUM, state->new_id, - SYSDB_UIDNUM, state->domain->id_max, - SYSDB_GIDNUM, state->new_id, - SYSDB_GIDNUM, state->domain->id_max); + SYSDB_UIDNUM, new_id, + SYSDB_UIDNUM, domain->id_max, + SYSDB_GIDNUM, new_id, + SYSDB_GIDNUM, domain->id_max); } else { - filter = talloc_asprintf(state, + filter = talloc_asprintf(tmpctx, "(|(%s>=%u)(%s>=%u))", - SYSDB_UIDNUM, state->new_id, - SYSDB_GIDNUM, state->new_id); + SYSDB_UIDNUM, new_id, + SYSDB_GIDNUM, new_id); } if (!filter) { DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; - } - - ret = ldb_build_search_req(&ldbreq, state->handle->ctx->ldb, state, - state->base_dn, LDB_SCOPE_SUBTREE, - filter, attrs, - NULL, NULL, NULL, NULL); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Failed to build search request: %s(%d)[%s]\n", - ldb_strerror(ret), ret, - ldb_errstring(state->handle->ctx->ldb))); - tevent_req_error(req, sysdb_error_to_errno(ret)); - return; - } - - subreq = sldb_request_send(state, state->ev, - state->handle->ctx->ldb, ldbreq); - if (!subreq) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sysdb_get_new_id_verify, req); - - return; -} - -static void sysdb_get_new_id_verify(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sysdb_get_new_id_state *state = tevent_req_data(req, - struct sysdb_get_new_id_state); - struct ldb_reply *ldbreply; - struct ldb_request *ldbreq; - struct ldb_message *msg; - int ret, i; - - ret = sldb_request_recv(subreq, state, &ldbreply); - if (ret) { - talloc_zfree(subreq); - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - switch (ldbreply->type) { - case LDB_REPLY_ENTRY: - state->v_msgs = talloc_realloc(state, state->v_msgs, - struct ldb_message *, - state->v_count + 2); - if (!state->v_msgs) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; - } - - state->v_msgs[state->v_count] = talloc_move(state, &ldbreply->message); - if (!state->v_msgs[state->v_count]) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; - } - state->v_count++; - - /* just return, wait for a LDB_REPLY_DONE entry */ - talloc_zfree(ldbreply); - return; - - case LDB_REPLY_DONE: - break; - - default: - /* unexpected stuff */ - DEBUG(6, ("Error: Unknown error\n")); - tevent_req_error(req, EIO); - talloc_zfree(ldbreply); - return; + ret = ENOMEM; + goto done; } - talloc_zfree(subreq); - + ret = sysdb_search_entry(tmpctx, ctx, base_dn, LDB_SCOPE_SUBTREE, + filter, attrs_2, &count, &msgs); + switch (ret) { /* if anything was found, find the maximum and increment past it */ - if (state->v_count) { - uint32_t id; - - for (i = 0; i < state->v_count; i++) { - id = get_attr_as_uint32(state->v_msgs[i], SYSDB_UIDNUM); + case EOK: + for (i = 0; i < count; i++) { + id = get_attr_as_uint32(msgs[i], SYSDB_UIDNUM); if (id != (uint32_t)(-1)) { - if (id > state->new_id) state->new_id = id; + if (id > new_id) new_id = id; } - id = get_attr_as_uint32(state->v_msgs[i], SYSDB_GIDNUM); + id = get_attr_as_uint32(msgs[i], SYSDB_GIDNUM); if (id != (uint32_t)(-1)) { - if (id > state->new_id) state->new_id = id; + if (id > new_id) new_id = id; } } - state->new_id++; + new_id++; /* check again we are not falling out of range */ - if ((state->domain->id_max != 0) && - (state->new_id > state->domain->id_max)) { + if ((domain->id_max != 0) && (new_id > domain->id_max)) { DEBUG(0, ("Failed to allocate new id, out of range (%u/%u)\n", - state->new_id, state->domain->id_max)); - tevent_req_error(req, ERANGE); - return; + new_id, domain->id_max)); + ret = ERANGE; + goto done; } + break; - talloc_zfree(state->v_msgs); - state->v_count = 0; + case ENOENT: + break; + + default: + goto done; } + talloc_zfree(msgs); + count = 0; + /* finally store the new next id */ - msg = ldb_msg_new(state); + msg = ldb_msg_new(tmpctx); if (!msg) { DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; + ret = ENOMEM; + goto done; } - msg->dn = state->base_dn; + msg->dn = base_dn; ret = add_ulong(msg, LDB_FLAG_MOD_REPLACE, - SYSDB_NEXTID, state->new_id + 1); + SYSDB_NEXTID, new_id + 1); if (ret) { - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - ret = ldb_build_mod_req(&ldbreq, state->handle->ctx->ldb, state, msg, - NULL, NULL, NULL, NULL); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Failed to build modify request: %s(%d)[%s]\n", - ldb_strerror(ret), ret, - ldb_errstring(state->handle->ctx->ldb))); - tevent_req_error(req, ret); - return; + goto done; } - subreq = sldb_request_send(state, state->ev, - state->handle->ctx->ldb, ldbreq); - if (!subreq) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sysdb_get_new_id_done, req); -} + ret = ldb_modify(ctx->ldb, msg); + ret = sysdb_error_to_errno(ret); -static void sysdb_get_new_id_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sysdb_get_new_id_state *state = tevent_req_data(req, - struct sysdb_get_new_id_state); - struct ldb_reply *ldbreply; - int ret; + *_id = new_id; - ret = sldb_request_recv(subreq, state, &ldbreply); - talloc_zfree(subreq); +done: + if (ret == EOK) { + ret = ldb_transaction_commit(ctx->ldb); + } else { + ldb_transaction_cancel(ctx->ldb); + } if (ret) { DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; } - - if (ldbreply->type != LDB_REPLY_DONE) { - DEBUG(6, ("Error: %d (%s)\n", EIO, strerror(EIO))); - tevent_req_error(req, EIO); - return; - } - - tevent_req_done(req); -} - -int sysdb_get_new_id_recv(struct tevent_req *req, uint32_t *id) -{ - struct sysdb_get_new_id_state *state = tevent_req_data(req, - struct sysdb_get_new_id_state); - - TEVENT_REQ_RETURN_ON_ERROR(req); - - *id = state->new_id; - - return EOK; + talloc_zfree(tmpctx); + return ret; } @@ -1104,8 +912,6 @@ struct sysdb_add_user_state { }; static void sysdb_add_user_basic_done(struct tevent_req *subreq); -static void sysdb_add_user_get_id_done(struct tevent_req *subreq); -static int sysdb_add_user_set_attrs(struct sysdb_add_user_state *state); struct tevent_req *sysdb_add_user_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, @@ -1208,6 +1014,9 @@ static void sysdb_add_user_basic_done(struct tevent_req *subreq) struct tevent_req); struct sysdb_add_user_state *state = tevent_req_data(req, struct sysdb_add_user_state); + struct sysdb_attrs *id_attrs; + uint32_t id; + time_t now; int ret; ret = sysdb_add_basic_user_recv(subreq); @@ -1219,46 +1028,12 @@ static void sysdb_add_user_basic_done(struct tevent_req *subreq) } if (state->uid == 0) { - subreq = sysdb_get_new_id_send(state, - state->ev, state->handle, - state->domain); - if (!subreq) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); + ret = sysdb_get_new_id(state, state->handle->ctx, state->domain, &id); + if (ret) { + tevent_req_error(req, ret); return; } - tevent_req_set_callback(subreq, sysdb_add_user_get_id_done, req); - return; - } - - ret = sysdb_add_user_set_attrs(state); - if (ret) { - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - tevent_req_done(req); -} - -static void sysdb_add_user_get_id_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sysdb_add_user_state *state = tevent_req_data(req, - struct sysdb_add_user_state); - struct sysdb_attrs *id_attrs; - uint32_t id; - int ret; - - ret = sysdb_get_new_id_recv(subreq, &id); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - if (state->uid == 0) { id_attrs = sysdb_new_attrs(state); if (!id_attrs) { DEBUG(6, ("Error: Out of memory\n")); @@ -1291,43 +1066,42 @@ static void sysdb_add_user_get_id_done(struct tevent_req *subreq) return; } - ret = sysdb_add_user_set_attrs(state); - if (ret) { - DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - tevent_req_done(req); -} - -static int sysdb_add_user_set_attrs(struct sysdb_add_user_state *state) -{ - time_t now = time(NULL); - int ret; - if (!state->attrs) { state->attrs = sysdb_new_attrs(state); if (!state->attrs) { - return ENOMEM; + tevent_req_error(req, ENOMEM); + return; } } + now = time(NULL); + ret = sysdb_attrs_add_time_t(state->attrs, SYSDB_LAST_UPDATE, now); if (ret) { - return ret; + DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); + tevent_req_error(req, ret); + return; } ret = sysdb_attrs_add_time_t(state->attrs, SYSDB_CACHE_EXPIRE, ((state->cache_timeout) ? (now + state->cache_timeout) : 0)); if (ret) { - return ret; + DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); + tevent_req_error(req, ret); + return; } - return sysdb_set_user_attr(state, state->handle->ctx, + ret = sysdb_set_user_attr(state, state->handle->ctx, state->domain, state->name, state->attrs, SYSDB_MOD_REP); + if (ret) { + DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); + tevent_req_error(req, ret); + return; + } + + tevent_req_done(req); } int sysdb_add_user_recv(struct tevent_req *req) @@ -1428,8 +1202,6 @@ struct sysdb_add_group_state { }; static void sysdb_add_group_basic_done(struct tevent_req *subreq); -static void sysdb_add_group_get_id_done(struct tevent_req *subreq); -static void sysdb_add_group_set_attrs(struct tevent_req *req); struct tevent_req *sysdb_add_group_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, @@ -1508,6 +1280,8 @@ static void sysdb_add_group_basic_done(struct tevent_req *subreq) struct tevent_req); struct sysdb_add_group_state *state = tevent_req_data(req, struct sysdb_add_group_state); + uint32_t id; + time_t now; int ret; ret = sysdb_add_basic_group_recv(subreq); @@ -1519,38 +1293,12 @@ static void sysdb_add_group_basic_done(struct tevent_req *subreq) } if (state->gid == 0) { - subreq = sysdb_get_new_id_send(state, - state->ev, state->handle, - state->domain); - if (!subreq) { - DEBUG(6, ("Error: Out of memory\n")); - tevent_req_error(req, ENOMEM); + ret = sysdb_get_new_id(state, state->handle->ctx, state->domain, &id); + if (ret) { + tevent_req_error(req, ret); return; } - tevent_req_set_callback(subreq, sysdb_add_group_get_id_done, req); - return; - } - - sysdb_add_group_set_attrs(req); -} -static void sysdb_add_group_get_id_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sysdb_add_group_state *state = tevent_req_data(req, - struct sysdb_add_group_state); - uint32_t id; - int ret; - - ret = sysdb_get_new_id_recv(subreq, &id); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - if (state->gid == 0) { if (!state->attrs) { state->attrs = sysdb_new_attrs(state); if (!state->attrs) { @@ -1568,16 +1316,6 @@ static void sysdb_add_group_get_id_done(struct tevent_req *subreq) } } - sysdb_add_group_set_attrs(req); -} - -static void sysdb_add_group_set_attrs(struct tevent_req *req) -{ - struct sysdb_add_group_state *state = tevent_req_data(req, - struct sysdb_add_group_state); - time_t now = time(NULL); - int ret; - if (!state->attrs) { state->attrs = sysdb_new_attrs(state); if (!state->attrs) { @@ -1587,6 +1325,8 @@ static void sysdb_add_group_set_attrs(struct tevent_req *req) } } + now = time(NULL); + ret = sysdb_attrs_add_time_t(state->attrs, SYSDB_LAST_UPDATE, now); if (ret) { DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret))); |