diff options
Diffstat (limited to 'source4/nsswitch/winbindd_user.c')
-rw-r--r-- | source4/nsswitch/winbindd_user.c | 607 |
1 files changed, 0 insertions, 607 deletions
diff --git a/source4/nsswitch/winbindd_user.c b/source4/nsswitch/winbindd_user.c deleted file mode 100644 index ee05543d30..0000000000 --- a/source4/nsswitch/winbindd_user.c +++ /dev/null @@ -1,607 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - Winbind daemon - user related functions - - Copyright (C) Tim Potter 2000 - Copyright (C) Jeremy Allison 2001. - - 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 2 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, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "winbindd.h" - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_WINBIND - -/* Fill a pwent structure with information we have obtained */ - -static BOOL winbindd_fill_pwent(char *dom_name, char *user_name, - DOM_SID *user_sid, DOM_SID *group_sid, - char *full_name, struct winbindd_pw *pw) -{ - extern userdom_struct current_user_info; - fstring output_username; - pstring homedir; - fstring sid_string; - - if (!pw || !dom_name || !user_name) - return False; - - /* Resolve the uid number */ - - if (!winbindd_idmap_get_uid_from_sid(user_sid, - &pw->pw_uid)) { - DEBUG(1, ("error getting user id for sid %s\n", sid_to_string(sid_string, user_sid))); - return False; - } - - /* Resolve the gid number */ - - if (!winbindd_idmap_get_gid_from_sid(group_sid, - &pw->pw_gid)) { - DEBUG(1, ("error getting group id for sid %s\n", sid_to_string(sid_string, group_sid))); - return False; - } - - /* Username */ - - fill_domain_username(output_username, dom_name, user_name); - - safe_strcpy(pw->pw_name, output_username, sizeof(pw->pw_name) - 1); - - /* Full name (gecos) */ - - safe_strcpy(pw->pw_gecos, full_name, sizeof(pw->pw_gecos) - 1); - - /* Home directory and shell - use template config parameters. The - defaults are /tmp for the home directory and /bin/false for - shell. */ - - /* The substitution of %U and %D in the 'template homedir' is done - by lp_string() calling standard_sub_basic(). */ - - fstrcpy(current_user_info.smb_name, user_name); - sub_set_smb_name(user_name); - fstrcpy(current_user_info.domain, dom_name); - - pstrcpy(homedir, lp_template_homedir()); - - safe_strcpy(pw->pw_dir, homedir, sizeof(pw->pw_dir) - 1); - - safe_strcpy(pw->pw_shell, lp_template_shell(), - sizeof(pw->pw_shell) - 1); - - /* Password - set to "x" as we can't generate anything useful here. - Authentication can be done using the pam_winbind module. */ - - safe_strcpy(pw->pw_passwd, "x", sizeof(pw->pw_passwd) - 1); - - return True; -} - -/* Return a password structure from a username. */ - -enum winbindd_result winbindd_getpwnam(struct winbindd_cli_state *state) -{ - WINBIND_USERINFO user_info; - DOM_SID user_sid; - NTSTATUS status; - fstring name_domain, name_user; - enum SID_NAME_USE name_type; - struct winbindd_domain *domain; - TALLOC_CTX *mem_ctx; - - /* Ensure null termination */ - state->request.data.username[sizeof(state->request.data.username)-1]='\0'; - - DEBUG(3, ("[%5d]: getpwnam %s\n", state->pid, - state->request.data.username)); - - /* Parse domain and username */ - - if (!parse_domain_user(state->request.data.username, name_domain, - name_user)) - return WINBINDD_ERROR; - - if ((domain = find_domain_from_name(name_domain)) == NULL) { - DEBUG(5, ("no such domain: %s\n", name_domain)); - return WINBINDD_ERROR; - } - - /* Get rid and name type from name */ - - if (!winbindd_lookup_sid_by_name(domain, name_user, &user_sid, &name_type)) { - DEBUG(1, ("user '%s' does not exist\n", name_user)); - return WINBINDD_ERROR; - } - - if (name_type != SID_NAME_USER) { - DEBUG(1, ("name '%s' is not a user name: %d\n", name_user, - name_type)); - return WINBINDD_ERROR; - } - - /* Get some user info. Split the user rid from the sid obtained - from the winbind_lookup_by_name() call and use it in a - winbind_lookup_userinfo() */ - - if (!(mem_ctx = talloc_init("winbindd_getpwnam([%s]\\[%s])", - name_domain, name_user))) { - DEBUG(1, ("out of memory\n")); - return WINBINDD_ERROR; - } - - status = domain->methods->query_user(domain, mem_ctx, &user_sid, - &user_info); - - if (!NT_STATUS_IS_OK(status)) { - DEBUG(1, ("error getting user info for user '[%s]\\[%s]'\n", - name_domain, name_user)); - talloc_destroy(mem_ctx); - return WINBINDD_ERROR; - } - - /* Now take all this information and fill in a passwd structure */ - if (!winbindd_fill_pwent(name_domain, name_user, - user_info.user_sid, user_info.group_sid, - user_info.full_name, - &state->response.data.pw)) { - talloc_destroy(mem_ctx); - return WINBINDD_ERROR; - } - - talloc_destroy(mem_ctx); - - return WINBINDD_OK; -} - -/* Return a password structure given a uid number */ - -enum winbindd_result winbindd_getpwuid(struct winbindd_cli_state *state) -{ - DOM_SID user_sid; - struct winbindd_domain *domain; - fstring dom_name; - fstring user_name; - enum SID_NAME_USE name_type; - WINBIND_USERINFO user_info; - gid_t gid; - TALLOC_CTX *mem_ctx; - NTSTATUS status; - - /* Bug out if the uid isn't in the winbind range */ - - if ((state->request.data.uid < server_state.uid_low ) || - (state->request.data.uid > server_state.uid_high)) - return WINBINDD_ERROR; - - DEBUG(3, ("[%5d]: getpwuid %d\n", state->pid, - state->request.data.uid)); - - /* Get rid from uid */ - - if (!winbindd_idmap_get_sid_from_uid(state->request.data.uid, - &user_sid)) { - DEBUG(1, ("could not convert uid %d to SID\n", - state->request.data.uid)); - return WINBINDD_ERROR; - } - - /* Get name and name type from rid */ - - if (!winbindd_lookup_name_by_sid(&user_sid, dom_name, user_name, &name_type)) { - fstring temp; - - sid_to_string(temp, &user_sid); - DEBUG(1, ("could not lookup sid %s\n", temp)); - return WINBINDD_ERROR; - } - - domain = find_domain_from_sid(&user_sid); - - if (!domain) { - DEBUG(1,("Can't find domain from sid\n")); - return WINBINDD_ERROR; - } - - /* Get some user info */ - - if (!(mem_ctx = talloc_init("winbind_getpwuid(%d)", - state->request.data.uid))) { - - DEBUG(1, ("out of memory\n")); - return WINBINDD_ERROR; - } - - status = domain->methods->query_user(domain, mem_ctx, &user_sid, - &user_info); - - if (!NT_STATUS_IS_OK(status)) { - DEBUG(1, ("error getting user info for user '%s'\n", - user_name)); - talloc_destroy(mem_ctx); - return WINBINDD_ERROR; - } - - /* Resolve gid number */ - - if (!winbindd_idmap_get_gid_from_sid(user_info.group_sid, &gid)) { - DEBUG(1, ("error getting group id for user %s\n", user_name)); - talloc_destroy(mem_ctx); - return WINBINDD_ERROR; - } - - /* Fill in password structure */ - - if (!winbindd_fill_pwent(domain->name, user_name, user_info.user_sid, - user_info.group_sid, - user_info.full_name, &state->response.data.pw)) { - talloc_destroy(mem_ctx); - return WINBINDD_ERROR; - } - - talloc_destroy(mem_ctx); - - return WINBINDD_OK; -} - -/* - * set/get/endpwent functions - */ - -/* Rewind file pointer for ntdom passwd database */ - -enum winbindd_result winbindd_setpwent(struct winbindd_cli_state *state) -{ - struct winbindd_domain *domain; - - DEBUG(3, ("[%5d]: setpwent\n", state->pid)); - - /* Check user has enabled this */ - - if (!lp_winbind_enum_users()) - return WINBINDD_ERROR; - - /* Free old static data if it exists */ - - if (state->getpwent_state != NULL) { - free_getent_state(state->getpwent_state); - state->getpwent_state = NULL; - } - - /* Create sam pipes for each domain we know about */ - - for(domain = domain_list(); domain != NULL; domain = domain->next) { - struct getent_state *domain_state; - - /* Create a state record for this domain */ - - if ((domain_state = (struct getent_state *) - malloc(sizeof(struct getent_state))) == NULL) - return WINBINDD_ERROR; - - ZERO_STRUCTP(domain_state); - - fstrcpy(domain_state->domain_name, domain->name); - - /* Add to list of open domains */ - - DLIST_ADD(state->getpwent_state, domain_state); - } - - return WINBINDD_OK; -} - -/* Close file pointer to ntdom passwd database */ - -enum winbindd_result winbindd_endpwent(struct winbindd_cli_state *state) -{ - DEBUG(3, ("[%5d]: endpwent\n", state->pid)); - - free_getent_state(state->getpwent_state); - state->getpwent_state = NULL; - - return WINBINDD_OK; -} - -/* Get partial list of domain users for a domain. We fill in the sam_entries, - and num_sam_entries fields with domain user information. The dispinfo_ndx - field is incremented to the index of the next user to fetch. Return True if - some users were returned, False otherwise. */ - -#define MAX_FETCH_SAM_ENTRIES 100 - -static BOOL get_sam_user_entries(struct getent_state *ent) -{ - NTSTATUS status; - uint32 num_entries; - WINBIND_USERINFO *info; - struct getpwent_user *name_list = NULL; - BOOL result = False; - TALLOC_CTX *mem_ctx; - struct winbindd_domain *domain; - struct winbindd_methods *methods; - unsigned int i; - - if (ent->num_sam_entries) - return False; - - if (!(mem_ctx = talloc_init("get_sam_user_entries(%s)", - ent->domain_name))) - return False; - - if (!(domain = find_domain_from_name(ent->domain_name))) { - DEBUG(3, ("no such domain %s in get_sam_user_entries\n", - ent->domain_name)); - return False; - } - - methods = domain->methods; - - /* Free any existing user info */ - - SAFE_FREE(ent->sam_entries); - ent->num_sam_entries = 0; - - /* Call query_user_list to get a list of usernames and user rids */ - - num_entries = 0; - - status = methods->query_user_list(domain, mem_ctx, &num_entries, - &info); - - if (num_entries) { - struct getpwent_user *tnl; - - tnl = (struct getpwent_user *)Realloc(name_list, - sizeof(struct getpwent_user) * - (ent->num_sam_entries + - num_entries)); - - if (!tnl) { - DEBUG(0,("get_sam_user_entries realloc failed.\n")); - SAFE_FREE(name_list); - goto done; - } else - name_list = tnl; - } - - for (i = 0; i < num_entries; i++) { - /* Store account name and gecos */ - if (!info[i].acct_name) { - fstrcpy(name_list[ent->num_sam_entries + i].name, ""); - } else { - fstrcpy(name_list[ent->num_sam_entries + i].name, - info[i].acct_name); - } - if (!info[i].full_name) { - fstrcpy(name_list[ent->num_sam_entries + i].gecos, ""); - } else { - fstrcpy(name_list[ent->num_sam_entries + i].gecos, - info[i].full_name); - } - - /* User and group ids */ - sid_copy(&name_list[ent->num_sam_entries+i].user_sid, info[i].user_sid); - sid_copy(&name_list[ent->num_sam_entries+i].group_sid, info[i].group_sid); - } - - ent->num_sam_entries += num_entries; - - /* Fill in remaining fields */ - - ent->sam_entries = name_list; - ent->sam_entry_index = 0; - result = ent->num_sam_entries > 0; - - done: - - talloc_destroy(mem_ctx); - - return result; -} - -/* Fetch next passwd entry from ntdom database */ - -#define MAX_GETPWENT_USERS 500 - -enum winbindd_result winbindd_getpwent(struct winbindd_cli_state *state) -{ - struct getent_state *ent; - struct winbindd_pw *user_list; - int num_users, user_list_ndx = 0, i; - - DEBUG(3, ("[%5d]: getpwent\n", state->pid)); - - /* Check user has enabled this */ - - if (!lp_winbind_enum_users()) - return WINBINDD_ERROR; - - /* Allocate space for returning a chunk of users */ - - num_users = MIN(MAX_GETPWENT_USERS, state->request.data.num_entries); - - if ((state->response.extra_data = - malloc(num_users * sizeof(struct winbindd_pw))) == NULL) - return WINBINDD_ERROR; - - memset(state->response.extra_data, 0, num_users * - sizeof(struct winbindd_pw)); - - user_list = (struct winbindd_pw *)state->response.extra_data; - - if (!(ent = state->getpwent_state)) - return WINBINDD_ERROR; - - /* Start sending back users */ - - for (i = 0; i < num_users; i++) { - struct getpwent_user *name_list = NULL; - fstring domain_user_name; - uint32 result; - - /* Do we need to fetch another chunk of users? */ - - if (ent->num_sam_entries == ent->sam_entry_index) { - - while(ent && !get_sam_user_entries(ent)) { - struct getent_state *next_ent; - - /* Free state information for this domain */ - - SAFE_FREE(ent->sam_entries); - - next_ent = ent->next; - DLIST_REMOVE(state->getpwent_state, ent); - - SAFE_FREE(ent); - ent = next_ent; - } - - /* No more domains */ - - if (!ent) - break; - } - - name_list = ent->sam_entries; - - /* Skip machine accounts */ - - if (name_list[ent->sam_entry_index]. - name[strlen(name_list[ent->sam_entry_index].name) - 1] - == '$') { - ent->sam_entry_index++; - continue; - } - - /* Lookup user info */ - - result = winbindd_fill_pwent( - ent->domain_name, - name_list[ent->sam_entry_index].name, - &name_list[ent->sam_entry_index].user_sid, - &name_list[ent->sam_entry_index].group_sid, - name_list[ent->sam_entry_index].gecos, - &user_list[user_list_ndx]); - - ent->sam_entry_index++; - - /* Add user to return list */ - - if (result) { - - user_list_ndx++; - state->response.data.num_entries++; - state->response.length += - sizeof(struct winbindd_pw); - - } else - DEBUG(1, ("could not lookup domain user %s\n", - domain_user_name)); - } - - /* Out of domains */ - - return (user_list_ndx > 0) ? WINBINDD_OK : WINBINDD_ERROR; -} - -/* List domain users without mapping to unix ids */ - -enum winbindd_result winbindd_list_users(struct winbindd_cli_state *state) -{ - struct winbindd_domain *domain; - WINBIND_USERINFO *info; - uint32 num_entries = 0, total_entries = 0; - char *ted, *extra_data = NULL; - int extra_data_len = 0; - TALLOC_CTX *mem_ctx; - enum winbindd_result rv = WINBINDD_ERROR; - - DEBUG(3, ("[%5d]: list users\n", state->pid)); - - if (!(mem_ctx = talloc_init("winbindd_list_users"))) - return WINBINDD_ERROR; - - /* Enumerate over trusted domains */ - - for (domain = domain_list(); domain; domain = domain->next) { - NTSTATUS status; - struct winbindd_methods *methods; - unsigned int i; - - methods = domain->methods; - - /* Query display info */ - status = methods->query_user_list(domain, mem_ctx, - &num_entries, &info); - - if (num_entries == 0) - continue; - - /* Allocate some memory for extra data */ - total_entries += num_entries; - - ted = Realloc(extra_data, sizeof(fstring) * total_entries); - - if (!ted) { - DEBUG(0,("failed to enlarge buffer!\n")); - SAFE_FREE(extra_data); - goto done; - } else - extra_data = ted; - - /* Pack user list into extra data fields */ - - for (i = 0; i < num_entries; i++) { - fstring acct_name, name; - - if (!info[i].acct_name) { - fstrcpy(acct_name, ""); - } else { - fstrcpy(acct_name, info[i].acct_name); - } - - fill_domain_username(name, domain->name, acct_name); - - /* Append to extra data */ - memcpy(&extra_data[extra_data_len], name, - strlen(name)); - extra_data_len += strlen(name); - extra_data[extra_data_len++] = ','; - } - } - - /* Assign extra_data fields in response structure */ - - if (extra_data) { - extra_data[extra_data_len - 1] = '\0'; - state->response.extra_data = extra_data; - state->response.length += extra_data_len; - } - - /* No domains responded but that's still OK so don't return an - error. */ - - rv = WINBINDD_OK; - - done: - - talloc_destroy(mem_ctx); - - return rv; -} |