diff options
Diffstat (limited to 'REORG.TODO/hesiod/nss_hesiod/hesiod-pwd.c')
-rw-r--r-- | REORG.TODO/hesiod/nss_hesiod/hesiod-pwd.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/REORG.TODO/hesiod/nss_hesiod/hesiod-pwd.c b/REORG.TODO/hesiod/nss_hesiod/hesiod-pwd.c new file mode 100644 index 0000000000..8309af245d --- /dev/null +++ b/REORG.TODO/hesiod/nss_hesiod/hesiod-pwd.c @@ -0,0 +1,110 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <hesiod.h> +#include <pwd.h> +#include <nss.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* Get the declaration of the parser function. */ +#define ENTNAME pwent +#define STRUCTURE passwd +#define EXTERN_PARSER +#include <nss/nss_files/files-parse.c> + +enum nss_status +_nss_hesiod_setpwent (int stayopen) +{ + return NSS_STATUS_SUCCESS; +} + +enum nss_status +_nss_hesiod_endpwent (void) +{ + return NSS_STATUS_SUCCESS; +} + +static enum nss_status +lookup (const char *name, const char *type, struct passwd *pwd, + char *buffer, size_t buflen, int *errnop) +{ + struct parser_data *data = (void *) buffer; + size_t linebuflen; + void *context; + char **list; + int parse_res; + size_t len; + int olderr = errno; + + if (hesiod_init (&context) < 0) + return NSS_STATUS_UNAVAIL; + + list = hesiod_resolve (context, name, type); + if (list == NULL) + { + int err = errno; + hesiod_end (context); + __set_errno (olderr); + return err == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL; + } + + linebuflen = buffer + buflen - data->linebuffer; + len = strlen (*list) + 1; + if (linebuflen < len) + { + hesiod_free_list (context, list); + hesiod_end (context); + *errnop = ERANGE; + return NSS_STATUS_TRYAGAIN; + } + + memcpy (data->linebuffer, *list, len); + hesiod_free_list (context, list); + hesiod_end (context); + + parse_res = _nss_files_parse_pwent (buffer, pwd, data, buflen, errnop); + if (parse_res < 1) + { + __set_errno (olderr); + return parse_res == -1 ? NSS_STATUS_TRYAGAIN : NSS_STATUS_NOTFOUND; + } + + return NSS_STATUS_SUCCESS; +} + +enum nss_status +_nss_hesiod_getpwnam_r (const char *name, struct passwd *pwd, + char *buffer, size_t buflen, int *errnop) +{ + return lookup (name, "passwd", pwd, buffer, buflen, errnop); +} + +enum nss_status +_nss_hesiod_getpwuid_r (uid_t uid, struct passwd *pwd, + char *buffer, size_t buflen, int *errnop) +{ + char uidstr[21]; /* We will probably never have a gid_t with more + than 64 bits. */ + + snprintf (uidstr, sizeof uidstr, "%d", uid); + + return lookup (uidstr, "uid", pwd, buffer, buflen, errnop); +} |