diff options
Diffstat (limited to 'source4/rpc_server/unixinfo/dcesrv_unixinfo.c')
| -rw-r--r-- | source4/rpc_server/unixinfo/dcesrv_unixinfo.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/source4/rpc_server/unixinfo/dcesrv_unixinfo.c b/source4/rpc_server/unixinfo/dcesrv_unixinfo.c new file mode 100644 index 0000000000..e6313b771c --- /dev/null +++ b/source4/rpc_server/unixinfo/dcesrv_unixinfo.c @@ -0,0 +1,242 @@ +/* + Unix SMB/CIFS implementation. + + endpoint server for the unixinfo pipe + + Copyright (C) Volker Lendecke 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "rpc_server/dcerpc_server.h" +#include "rpc_server/common/common.h" +#include "librpc/gen_ndr/ndr_unixinfo.h" +#include "libcli/wbclient/wbclient.h" +#include "lib/events/events.h" +#include "system/passwd.h" +#include "param/param.h" + +static NTSTATUS dcerpc_unixinfo_bind(struct dcesrv_call_state *dce_call, + const struct dcesrv_interface *iface) +{ + struct wbc_context *wbc_ctx; + + wbc_ctx = wbc_init(dce_call->context, dce_call->msg_ctx, + dce_call->event_ctx); + NT_STATUS_HAVE_NO_MEMORY(wbc_ctx); + + dce_call->context->private = wbc_ctx; + + return NT_STATUS_OK; +} + +#define DCESRV_INTERFACE_UNIXINFO_BIND dcerpc_unixinfo_bind + +static NTSTATUS dcesrv_unixinfo_SidToUid(struct dcesrv_call_state *dce_call, + TALLOC_CTX *mem_ctx, + struct unixinfo_SidToUid *r) +{ + NTSTATUS status; + struct wbc_context *wbc_ctx = talloc_get_type_abort( + dce_call->context->private, + struct wbc_context); + struct id_mapping *ids; + struct composite_context *ctx; + + DEBUG(5, ("dcesrv_unixinfo_SidToUid called\n")); + + ids = talloc(mem_ctx, struct id_mapping); + NT_STATUS_HAVE_NO_MEMORY(ids); + + ids->sid = &r->in.sid; + ids->status = NT_STATUS_NONE_MAPPED; + ids->unixid = NULL; + ctx = wbc_sids_to_xids_send(wbc_ctx, ids, 1, ids); + NT_STATUS_HAVE_NO_MEMORY(ctx); + + status = wbc_sids_to_xids_recv(ctx, &ids); + NT_STATUS_NOT_OK_RETURN(status); + + if (ids->unixid->type == ID_TYPE_BOTH || + ids->unixid->type == ID_TYPE_UID) { + *r->out.uid = ids->unixid->id; + return NT_STATUS_OK; + } else { + return NT_STATUS_INVALID_SID; + } +} + +static NTSTATUS dcesrv_unixinfo_UidToSid(struct dcesrv_call_state *dce_call, + TALLOC_CTX *mem_ctx, + struct unixinfo_UidToSid *r) +{ + struct wbc_context *wbc_ctx = talloc_get_type_abort( + dce_call->context->private, + struct wbc_context); + struct id_mapping *ids; + struct composite_context *ctx; + uint32_t uid; + NTSTATUS status; + + DEBUG(5, ("dcesrv_unixinfo_UidToSid called\n")); + + uid = r->in.uid; /* This cuts uid to 32 bit */ + if ((uint64_t)uid != r->in.uid) { + DEBUG(10, ("uid out of range\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + ids = talloc(mem_ctx, struct id_mapping); + NT_STATUS_HAVE_NO_MEMORY(ids); + + ids->sid = NULL; + ids->status = NT_STATUS_NONE_MAPPED; + ids->unixid = talloc(ids, struct unixid); + NT_STATUS_HAVE_NO_MEMORY(ids->unixid); + + ids->unixid->id = uid; + ids->unixid->type = ID_TYPE_UID; + + ctx = wbc_xids_to_sids_send(wbc_ctx, ids, 1, ids); + NT_STATUS_HAVE_NO_MEMORY(ctx); + + status = wbc_xids_to_sids_recv(ctx, &ids); + NT_STATUS_NOT_OK_RETURN(status); + + r->out.sid = ids->sid; + return NT_STATUS_OK; +} + +static NTSTATUS dcesrv_unixinfo_SidToGid(struct dcesrv_call_state *dce_call, + TALLOC_CTX *mem_ctx, + struct unixinfo_SidToGid *r) +{ + NTSTATUS status; + struct wbc_context *wbc_ctx = talloc_get_type_abort( + dce_call->context->private, + struct wbc_context); + struct id_mapping *ids; + struct composite_context *ctx; + + DEBUG(5, ("dcesrv_unixinfo_SidToGid called\n")); + + ids = talloc(mem_ctx, struct id_mapping); + NT_STATUS_HAVE_NO_MEMORY(ids); + + ids->sid = &r->in.sid; + ids->status = NT_STATUS_NONE_MAPPED; + ids->unixid = NULL; + ctx = wbc_sids_to_xids_send(wbc_ctx, ids, 1, ids); + NT_STATUS_HAVE_NO_MEMORY(ctx); + + status = wbc_sids_to_xids_recv(ctx, &ids); + NT_STATUS_NOT_OK_RETURN(status); + + if (ids->unixid->type == ID_TYPE_BOTH || + ids->unixid->type == ID_TYPE_GID) { + *r->out.gid = ids->unixid->id; + return NT_STATUS_OK; + } else { + return NT_STATUS_INVALID_SID; + } +} + +static NTSTATUS dcesrv_unixinfo_GidToSid(struct dcesrv_call_state *dce_call, + TALLOC_CTX *mem_ctx, + struct unixinfo_GidToSid *r) +{ + struct wbc_context *wbc_ctx = talloc_get_type_abort( + dce_call->context->private, + struct wbc_context); + struct id_mapping *ids; + struct composite_context *ctx; + uint32_t gid; + NTSTATUS status; + + DEBUG(5, ("dcesrv_unixinfo_GidToSid called\n")); + + gid = r->in.gid; /* This cuts gid to 32 bit */ + if ((uint64_t)gid != r->in.gid) { + DEBUG(10, ("gid out of range\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + ids = talloc(mem_ctx, struct id_mapping); + NT_STATUS_HAVE_NO_MEMORY(ids); + + ids->sid = NULL; + ids->status = NT_STATUS_NONE_MAPPED; + ids->unixid = talloc(ids, struct unixid); + NT_STATUS_HAVE_NO_MEMORY(ids->unixid); + + ids->unixid->id = gid; + ids->unixid->type = ID_TYPE_GID; + + ctx = wbc_xids_to_sids_send(wbc_ctx, ids, 1, ids); + NT_STATUS_HAVE_NO_MEMORY(ctx); + + status = wbc_xids_to_sids_recv(ctx, &ids); + NT_STATUS_NOT_OK_RETURN(status); + + r->out.sid = ids->sid; + return NT_STATUS_OK; +} + +static NTSTATUS dcesrv_unixinfo_GetPWUid(struct dcesrv_call_state *dce_call, + TALLOC_CTX *mem_ctx, + struct unixinfo_GetPWUid *r) +{ + int i; + + *r->out.count = 0; + + r->out.infos = talloc_zero_array(mem_ctx, struct unixinfo_GetPWUidInfo, + *r->in.count); + NT_STATUS_HAVE_NO_MEMORY(r->out.infos); + *r->out.count = *r->in.count; + + for (i=0; i < *r->in.count; i++) { + uid_t uid; + struct passwd *pwd; + + uid = r->in.uids[i]; + pwd = getpwuid(uid); + if (pwd == NULL) { + DEBUG(10, ("uid %d not found\n", uid)); + r->out.infos[i].homedir = ""; + r->out.infos[i].shell = ""; + r->out.infos[i].status = NT_STATUS_NO_SUCH_USER; + continue; + } + + r->out.infos[i].homedir = talloc_strdup(mem_ctx, pwd->pw_dir); + r->out.infos[i].shell = talloc_strdup(mem_ctx, pwd->pw_shell); + + if ((r->out.infos[i].homedir == NULL) || + (r->out.infos[i].shell == NULL)) { + r->out.infos[i].homedir = ""; + r->out.infos[i].shell = ""; + r->out.infos[i].status = NT_STATUS_NO_MEMORY; + continue; + } + + r->out.infos[i].status = NT_STATUS_OK; + } + + return NT_STATUS_OK; +} + +/* include the generated boilerplate */ +#include "librpc/gen_ndr/ndr_unixinfo_s.c" |