diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-parser.c')
| -rw-r--r-- | nis/nss_nisplus/nisplus-parser.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c deleted file mode 100644 index 175b9cbf42..0000000000 --- a/nis/nss_nisplus/nisplus-parser.c +++ /dev/null @@ -1,375 +0,0 @@ -/* Copyright (C) 1997-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 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 - <https://www.gnu.org/licenses/>. */ - -#include <pwd.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <rpcsvc/nis.h> - -#include "nisplus-parser.h" - -#define NISENTRYVAL(idx, col, res) \ - (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val) - -#define NISENTRYLEN(idx, col, res) \ - (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len) - -#define NISOBJVAL(col, obj) \ - ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val) - -#define NISOBJLEN(col, obj) \ - ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len) - - -int -_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, - char *buffer, size_t buflen, int *errnop) -{ - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || NIS_RES_NUMOBJ (result) != 1 - || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ - || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "passwd_tbl") != 0 - || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 7) - return 0; - - nis_object *obj = NIS_RES_OBJECT (result); - char *first_unused = buffer; - size_t room_left = buflen; - size_t len; - - if (NISOBJLEN (0, obj) >= room_left) - { - /* The line is too long for our buffer. */ - no_more_room: - *errnop = ERANGE; - return -1; - } - - strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj)); - first_unused[NISOBJLEN (0, obj)] = '\0'; - len = strlen (first_unused); - if (len == 0) /* No name ? Should never happen, database is corrupt */ - return 0; - pw->pw_name = first_unused; - room_left -= len + 1; - first_unused += len + 1; - - if (NISOBJLEN (1, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj)); - first_unused[NISOBJLEN (1, obj)] = '\0'; - pw->pw_passwd = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - char *numstr = NISOBJVAL (2, obj); - len = NISOBJLEN (2, obj); - if (len == 0 || numstr[len - 1] != '\0') - { - if (len >= room_left) - goto no_more_room; - - strncpy (first_unused, numstr, len); - first_unused[len] = '\0'; - numstr = first_unused; - } - if (numstr[0] == '\0') - /* If we don't have a uid, it's an invalid shadow entry. */ - return 0; - pw->pw_uid = strtoul (numstr, NULL, 10); - - numstr = NISOBJVAL (3, obj); - len = NISOBJLEN (3, obj); - if (len == 0 || numstr[len - 1] != '\0') - { - if (len >= room_left) - goto no_more_room; - - strncpy (first_unused, numstr, len); - first_unused[len] = '\0'; - numstr = first_unused; - } - if (numstr[0] == '\0') - /* If we don't have a gid, it's an invalid shadow entry. */ - return 0; - pw->pw_gid = strtoul (numstr, NULL, 10); - - if (NISOBJLEN(4, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (4, obj), NISOBJLEN (4, obj)); - first_unused[NISOBJLEN (4, obj)] = '\0'; - pw->pw_gecos = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - if (NISOBJLEN (5, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (5, obj), NISOBJLEN (5, obj)); - first_unused[NISOBJLEN (5, obj)] = '\0'; - pw->pw_dir = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - if (NISOBJLEN (6, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (6, obj), NISOBJLEN (6, obj)); - first_unused[NISOBJLEN (6, obj)] = '\0'; - pw->pw_shell = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - return 1; -} - - -int -_nss_nisplus_parse_grent (nis_result *result, struct group *gr, - char *buffer, size_t buflen, int *errnop) -{ - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ - || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type, "group_tbl") != 0 - || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 4) - return 0; - - nis_object *obj = NIS_RES_OBJECT (result); - char *first_unused = buffer; - size_t room_left = buflen; - char *line; - int count; - size_t len; - - if (NISOBJLEN (0, obj) >= room_left) - { - /* The line is too long for our buffer. */ - no_more_room: - *errnop = ERANGE; - return -1; - } - - strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj)); - first_unused[NISOBJLEN (0, obj)] = '\0'; - len = strlen (first_unused); - if (len == 0) /* group table is corrupt */ - return 0; - gr->gr_name = first_unused; - room_left -= len + 1; - first_unused += len + 1; - - if (NISOBJLEN (1, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj)); - first_unused[NISOBJLEN (1, obj)] = '\0'; - gr->gr_passwd = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - char *numstr = NISOBJVAL (2, obj); - len = NISOBJLEN (2, obj); - if (len == 0 || numstr[len - 1] != '\0') - { - if (len >= room_left) - goto no_more_room; - - strncpy (first_unused, numstr, len); - first_unused[len] = '\0'; - numstr = first_unused; - } - if (numstr[0] == '\0') - /* We should always have a gid. */ - return 0; - gr->gr_gid = strtoul (numstr, NULL, 10); - - if (NISOBJLEN (3, obj) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISOBJVAL (3, obj), NISOBJLEN (3, obj)); - first_unused[NISOBJLEN (3, obj)] = '\0'; - line = first_unused; - len = strlen (line); - room_left -= len + 1; - first_unused += len + 1; - /* Adjust the pointer so it is aligned for - storing pointers. */ - size_t adjust = ((__alignof__ (char *) - - (first_unused - (char *) 0) % __alignof__ (char *)) - % __alignof__ (char *)); - if (room_left < adjust) - goto no_more_room; - first_unused += adjust; - room_left -= adjust; - gr->gr_mem = (char **) first_unused; - - count = 0; - while (*line != '\0') - { - /* Skip leading blanks. */ - while (isspace (*line)) - ++line; - - if (*line == '\0') - break; - - if (room_left < sizeof (char *)) - goto no_more_room; - room_left -= sizeof (char *); - gr->gr_mem[count++] = line; - - while (*line != '\0' && *line != ',' && !isspace (*line)) - ++line; - - if (*line == ',' || isspace (*line)) - { - int is = isspace (*line); - - *line++ = '\0'; - if (is) - while (*line != '\0' && (*line == ',' || isspace (*line))) - ++line; - } - } - if (room_left < sizeof (char *)) - goto no_more_room; - room_left -= sizeof (char *); - gr->gr_mem[count] = NULL; - - return 1; -} - - -int -_nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, - char *buffer, size_t buflen, int *errnop) -{ - char *first_unused = buffer; - size_t room_left = buflen; - size_t len; - - if (result == NULL) - return 0; - - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || NIS_RES_NUMOBJ (result) != 1 - || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ - || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "passwd_tbl") != 0 - || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 8) - return 0; - - if (NISENTRYLEN (0, 0, result) >= room_left) - { - /* The line is too long for our buffer. */ - no_more_room: - *errnop = ERANGE; - return -1; - } - - strncpy (first_unused, NISENTRYVAL (0, 0, result), - NISENTRYLEN (0, 0, result)); - first_unused[NISENTRYLEN (0, 0, result)] = '\0'; - len = strlen (first_unused); - if (len == 0) - return 0; - sp->sp_namp = first_unused; - room_left -= len + 1; - first_unused += len + 1; - - if (NISENTRYLEN (0, 1, result) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISENTRYVAL (0, 1, result), - NISENTRYLEN (0, 1, result)); - first_unused[NISENTRYLEN (0, 1, result)] = '\0'; - sp->sp_pwdp = first_unused; - len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; - - sp->sp_lstchg = sp->sp_min = sp->sp_max = sp->sp_warn = sp->sp_inact = - sp->sp_expire = -1; - sp->sp_flag = ~0ul; - - if (NISENTRYLEN (0, 7, result) > 0) - { - char *line = NISENTRYVAL (0, 7, result); - char *cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_lstchg = atol (line); - - line = cp; - cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_min = atol (line); - - line = cp; - cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_max = atol (line); - - line = cp; - cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_warn = atol (line); - - line = cp; - cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_inact = atol (line); - - line = cp; - cp = strchr (line, ':'); - if (cp == NULL) - return 1; - *cp++ = '\0'; - if (*line) - sp->sp_expire = atol (line); - - line = cp; - if (line == NULL) - return 1; - if (*line) - sp->sp_flag = atol (line); - } - - return 1; -} |