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Diffstat (limited to 'nss/ethers.c')
-rw-r--r-- | nss/ethers.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/nss/ethers.c b/nss/ethers.c new file mode 100644 index 0000000..2ce6450 --- /dev/null +++ b/nss/ethers.c @@ -0,0 +1,114 @@ +/* + ethers.c - NSS lookup functions for ethers database + + Copyright (C) 2006 West Consulting + Copyright (C) 2006 Arthur de Jong + + 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., 51 Franklin St, Fifth Floor, Boston, + MA 02110-1301 USA +*/ + +#include "config.h" + +#include <string.h> +#include <nss.h> +#include <errno.h> + +#include "exports.h" +#include "nslcd-client.h" +#include "common.h" + +/* macros for expanding the LDF_ETHER macro */ +#define LDF_STRING(field) READ_STRING_BUF(fp,field) +#define LDF_TYPE(field,type) READ_TYPE(fp,field,type) +#define ETHER_NAME result->e_name +#define ETHER_ADDR result->e_addr + +/* map a hostname to the corresponding ethernet address */ +enum nss_status _nss_ldap_gethostton_r( + const char *name,struct etherent *result, + char *buffer,size_t buflen,int *errnop) +{ + FILE *fp; + int32_t tmpint32; + size_t bufptr=0; + /* open socket and write request */ + OPEN_SOCK(fp); + WRITE_REQUEST(fp,NSLCD_ACTION_ETHER_BYNAME); + WRITE_STRING(fp,name); + WRITE_FLUSH(fp); + /* read response */ + READ_RESPONSEHEADER(fp,NSLCD_ACTION_ETHER_BYNAME); + READ_RESPONSE_CODE(fp); + LDF_ETHER; + /* close socket and we're done */ + fclose(fp); + return NSS_STATUS_SUCCESS; +} + +/* map an ethernet address to the corresponding hostname */ +enum nss_status _nss_ldap_getntohost_r( + const struct ether_addr *addr,struct etherent *result, + char *buffer,size_t buflen,int *errnop) +{ + FILE *fp; + int32_t tmpint32; + size_t bufptr=0; + /* open socket and write request */ + OPEN_SOCK(fp); + WRITE_REQUEST(fp,NSLCD_ACTION_ETHER_BYNAME); + WRITE_TYPE(fp,addr,u_int8_t[6]); + WRITE_FLUSH(fp); + /* read response */ + READ_RESPONSEHEADER(fp,NSLCD_ACTION_ETHER_BYNAME); + READ_RESPONSE_CODE(fp); + LDF_ETHER; + /* close socket and we're done */ + fclose(fp); + return NSS_STATUS_SUCCESS; +} + +/* thread-local file pointer to an ongoing request */ +static __thread FILE *etherentfp; +#define fp etherentfp + +enum nss_status _nss_ldap_setetherent(int stayopen) +{ + NSS_SETENT(NSLCD_ACTION_ETHER_ALL); +} + +enum nss_status _nss_ldap_getetherent_r( + struct etherent *result, + char *buffer,size_t buflen,int *errnop) +{ + int32_t tmpint32; + size_t bufptr=0; + /* check that we have a valid file descriptor */ + if (fp==NULL) + { + *errnop=ENOENT; + return NSS_STATUS_UNAVAIL; + } + /* read a response */ + READ_RESPONSE_CODE(fp); + LDF_ETHER; + /* return result code */ + return NSS_STATUS_SUCCESS; +} + +enum nss_status _nss_ldap_endetherent(void) +{ + NSS_ENDENT(); +} |