From 117b2d78f030df2ad16d4c399d122e60556cce00 Mon Sep 17 00:00:00 2001 From: Tim Potter Date: Wed, 9 Apr 2003 03:51:52 +0000 Subject: Winbind client for AIX. Written by Steve Roylance. (This used to be commit e37d025e6724196925c43c8ce558064ed5c072c5) --- source3/nsswitch/winbind_nss_aix.c | 411 +++++++++++++++++++++++++++++++++++++ 1 file changed, 411 insertions(+) (limited to 'source3/nsswitch') diff --git a/source3/nsswitch/winbind_nss_aix.c b/source3/nsswitch/winbind_nss_aix.c index e69de29bb2..ba5332bf98 100644 --- a/source3/nsswitch/winbind_nss_aix.c +++ b/source3/nsswitch/winbind_nss_aix.c @@ -0,0 +1,411 @@ +/* + Unix SMB/CIFS implementation. + + AIX loadable authentication mmodule, providing identification + routines against Samba winbind/Windows NT Domain + + Copyright (C) Tim Potter 2003 + Copyright (C) Steve Roylance 2003 + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include +#include +#include +#include + +#include "winbind_client.h" + +#define MAX_GETPWENT_USERS 250 +#define MAX_GETGRENT_USERS 250 +/* #define WB_AIX_DEBUG */ + +static struct passwd *fill_pwent(struct winbindd_pw *pw) +{ + struct passwd *result; + + if (!(result = malloc(sizeof(struct passwd)))) + goto out; + + ZERO_STRUCTP(result); + + /* User name */ + + if ((result->pw_name = malloc(strlen(pw->pw_name) + 1)) == NULL) + goto out; + + strcpy(result->pw_name, pw->pw_name); + + /* Password */ + + if ((result->pw_passwd = malloc(strlen(pw->pw_passwd) + 1)) == NULL) + goto out; + + strcpy(result->pw_passwd, pw->pw_passwd); + + /* [ug]id */ + + result->pw_uid = pw->pw_uid; + result->pw_gid = pw->pw_gid; + + /* GECOS */ + + if ((result->pw_gecos = malloc(strlen(pw->pw_gecos) + 1)) == NULL) + goto out; + + strcpy(result->pw_gecos, pw->pw_gecos); + + /* Home directory */ + + if ((result->pw_dir = malloc(strlen(pw->pw_dir) + 1)) == NULL) + goto out; + + strcpy(result->pw_dir, pw->pw_dir); + + /* Logon shell */ + + if ((result->pw_shell = malloc(strlen(pw->pw_shell) + 1)) == NULL) + goto out; + + strcpy(result->pw_shell, pw->pw_shell); +#ifdef WB_AIX_DEBUG + printf("wb_aix - returning filled pwent %s, %d\n", result->pw_name, result->pw_uid); +#endif + return result; + + /* A memory allocation failed, undo succesfull allocations and + return NULL */ + +out: + SAFE_FREE(result->pw_dir); + SAFE_FREE(result->pw_gecos); + SAFE_FREE(result->pw_passwd); + SAFE_FREE(result->pw_name); + SAFE_FREE(result); + + return NULL; +} + +static BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize) +{ + char *s; + BOOL quoted; + size_t len=1; + + if (!ptr) return(False); + + s = *ptr; + + /* default to simple separators */ + if (!sep) sep = " \t\n\r"; + + /* find the first non sep char */ + while (*s && strchr(sep,*s)) s++; + + /* nothing left? */ + if (! *s) return(False); + + /* copy over the token */ + for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++) { + if (*s == '\"') { + quoted = !quoted; + } else { + len++; + *buff++ = *s; + } + } + + *ptr = (*s) ? s+1 : s; + *buff = 0; + + return(True); +} + +static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem) +{ + fstring name; + int i; + char *tst; + struct group *result; + + if (!(result = malloc(sizeof(struct group)))) + goto out; + + ZERO_STRUCTP(result); + + /* Group name */ + + if ((result->gr_name = malloc(strlen(gr->gr_name) + 1)) == NULL) + goto out; + + strcpy(result->gr_name, gr->gr_name); + + /* Password */ + + if ((result->gr_passwd = malloc(strlen(gr->gr_passwd) + 1)) == NULL) + goto out; + + strcpy(result->gr_passwd, gr->gr_passwd); + + /* gid */ + + result->gr_gid = gr->gr_gid; + + /* Group membership */ + + if ((gr->num_gr_mem < 0) || !gr_mem) { + gr->num_gr_mem = 0; + } + + if (gr->num_gr_mem == 0) { + + /* Group is empty */ + + *(result->gr_mem) = NULL; + return result; + } + + if ((tst = malloc(((gr->num_gr_mem + 1) * sizeof(char *)))) == NULL) + goto out; + + result->gr_mem = (char **)tst; + + /* Start looking at extra data */ + + i = 0; + + while(next_token((char **)&gr_mem, name, ",", sizeof(fstring))) { + + /* Allocate space for member */ + + if (((result->gr_mem)[i] = + malloc(strlen(name) + 1)) == NULL) { + for ( i -= 1; i >= 0; i--) + SAFE_FREE((result->gr_mem)[i]); + goto out; + + } + + strcpy((result->gr_mem)[i], name); + i++; + } + + /* Terminate list */ + + (result->gr_mem)[i] = NULL; + +#ifdef WB_AIX_DEBUG + printf("wb_aix - returning filled grent %s, %d\n", result->gr_name, result->gr_gid); +#endif + return result; + + /* A memory allocation failed, undo succesfull allocations and + return NULL */ + +out: + SAFE_FREE(tst); + SAFE_FREE(result->gr_passwd); + SAFE_FREE(result->gr_name); + SAFE_FREE(result); + + return NULL; +} + + + +static struct group * +wb_aix_getgrgid (gid_t gid) +{ +/* take a group id and return a filled struct group */ + + struct winbindd_response response; + struct winbindd_request request; + + ZERO_STRUCT(response); + ZERO_STRUCT(request); +#ifdef WB_AIX_DEBUG + printf("wb_aix - getgrid for %d\n", gid); +#endif + + request.data.gid = gid; + + if (winbindd_request(WINBINDD_GETGRGID, &request, &response) + == NSS_STATUS_SUCCESS) { +#ifdef WB_AIX_DEBUG + printf("wb_aix - returned from winbind_request\n"); +#endif + return fill_grent(&response.data.gr, response.extra_data); + } + + return NULL; +} + +static struct group * +wb_aix_getgrnam (const char *name) +{ +/* take a group name and return a filled struct group */ + + struct winbindd_response response; + struct winbindd_request request; + + ZERO_STRUCT(response); + ZERO_STRUCT(request); + +#ifdef WB_AIX_DEBUG + printf("wb_aix - getgrnam for %s\n", name); +#endif + + strncpy(request.data.groupname, name, + sizeof(request.data.groupname)); + request.data.groupname + [sizeof(request.data.groupname) - 1] = '\0'; + + + if (winbindd_request(WINBINDD_GETGRNAM, &request, &response) + == NSS_STATUS_SUCCESS) { +#ifdef WB_AIX_DEBUG + printf("wb_aix - returned from winbind_request\n"); +#endif + return fill_grent(&response.data.gr, response.extra_data); + } + return NULL; +} + +static char * +wb_aix_getgrset (const char *user) +{ +/* take a username and return a string containing a comma-separated list of + group id numbers to which the user belongs */ + + struct winbindd_response response; + struct winbindd_request request; + + char *tmpbuf, *result; + int i, idx = 0; + +#ifdef WB_AIX_DEBUG + printf("wb_aix - getgrset for %s\n", user); +#endif + strncpy(request.data.username, user, + sizeof(request.data.username) - 1); + request.data.username + [sizeof(request.data.username) - 1] = '\0'; + + + if (winbindd_request(WINBINDD_GETGROUPS, &request, &response) + == NSS_STATUS_SUCCESS) { + int num_gids = response.data.num_entries; + gid_t *gid_list = (gid_t *)response.extra_data; +#ifdef WB_AIX_DEBUG + printf("wb_aix - returned from winbind_request\n"); +#endif + + /* allocate a space large enough to contruct the string */ + if (!(tmpbuf = malloc(num_gids*12))) { + return NULL; + } + idx += sprintf(tmpbuf, "%d", gid_list[0]); + for (i = 1; i < num_gids; i++) { + tmpbuf[idx++] = ','; + idx += sprintf(tmpbuf+idx, "%d", gid_list[i]); + } + tmpbuf[idx] = '\0'; + if (!(result = malloc(idx+1))) { + /* allocate a string the right size to return, but + if that fails may as well return our working buffer + because it contains the same thing */ + return tmpbuf; + } + strcpy(result, tmpbuf); + SAFE_FREE(tmpbuf); + return result; + } + return NULL; +} + +static struct passwd * +wb_aix_getpwuid (uid_t uid) +{ +/* take a uid and return a filled struct passwd */ + + struct winbindd_response response; + struct winbindd_request request; + + ZERO_STRUCT(response); + ZERO_STRUCT(request); + +#ifdef WB_AIX_DEBUG + printf("wb_aix - getpwid for %d\n", uid); +#endif + + request.data.uid = uid; + + if (winbindd_request(WINBINDD_GETPWUID, &request, &response) + == NSS_STATUS_SUCCESS) { +#ifdef WB_AIX_DEBUG + printf("wb_aix - returned from winbind_request\n"); +#endif + return fill_pwent(&response.data.pw); + } + return NULL; +} + +static struct passwd * +wb_aix_getpwnam (const char *name) +{ +/* take a username and return a filled struct passwd */ + + struct winbindd_response response; + struct winbindd_request request; + + ZERO_STRUCT(response); + ZERO_STRUCT(request); +#ifdef WB_AIX_DEBUG + printf("wb_aix - getpwnam for %s\n", name); +#endif + strncpy(request.data.username, name, + sizeof(request.data.username) - 1); + request.data.username + [sizeof(request.data.username) - 1] = '\0'; + + + if (winbindd_request(WINBINDD_GETPWNAM, &request, &response) + == NSS_STATUS_SUCCESS) { +#ifdef WB_AIX_DEBUG + printf("wb_aix - returned from winbind_request\n"); +#endif + return fill_pwent(&response.data.pw); + } + return NULL; +} + +int +wb_aix_init (struct secmethod_table *methods) +{ + memset(methods, 0, sizeof(*methods)); + + /* identification methods, this is the minimum requried for a + working module */ + + methods->method_getgrgid = wb_aix_getgrgid; + methods->method_getgrnam = wb_aix_getgrnam; + methods->method_getgrset = wb_aix_getgrset; + methods->method_getpwnam = wb_aix_getpwnam; + methods->method_getpwuid = wb_aix_getpwuid; + + return AUTH_SUCCESS; +} -- cgit