diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-parser.c')
| -rw-r--r-- | nis/nss_nisplus/nisplus-parser.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c index b61733a628..a3da5a2590 100644 --- a/nis/nss_nisplus/nisplus-parser.c +++ b/nis/nss_nisplus/nisplus-parser.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1999, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. @@ -26,10 +26,10 @@ #include "nisplus-parser.h" #define NISENTRYVAL(idx,col,res) \ - ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val) + (NIS_RES_OBJECT (res)[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val) #define NISENTRYLEN(idx,col,res) \ - ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len) + (NIS_RES_OBJECT (res)[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len) int @@ -44,11 +44,10 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, return 0; if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || result->objects.objects_len != 1 - || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ - || strcmp (result->objects.objects_val->EN_data.en_type, - "passwd_tbl") != 0 - || result->objects.objects_val->EN_data.en_cols.en_cols_len < 7) + || 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; if (NISENTRYLEN (0, 0, result) >= room_left) @@ -90,8 +89,6 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, if (len == 0) /* If we don't have a uid, it's an invalid shadow entry */ return 0; pw->pw_uid = strtoul (first_unused, NULL, 10); - room_left -= (len + 1); - first_unused += (len + 1); if (NISENTRYLEN (0, 3, result) >= room_left) goto no_more_room; @@ -103,8 +100,6 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, if (len == 0) /* If we don't have a gid, it's an invalid shadow entry */ return 0; pw->pw_gid = strtoul (first_unused, NULL, 10); - room_left -= (len + 1); - first_unused += (len + 1); if (NISENTRYLEN(0, 4, result) >= room_left) goto no_more_room; @@ -143,6 +138,7 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, } libnss_nisplus_hidden_def (_nss_nisplus_parse_pwent) + int _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, char *buffer, size_t buflen, int *errnop) @@ -157,10 +153,10 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, return 0; if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || __type_of(result->objects.objects_val) != NIS_ENTRY_OBJ - || strcmp (result->objects.objects_val[entry].EN_data.en_type, + || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ + || strcmp (NIS_RES_OBJECT (result)[entry].EN_data.en_type, "group_tbl") != 0 - || result->objects.objects_val[entry].EN_data.en_cols.en_cols_len < 4) + || NIS_RES_OBJECT (result)[entry].EN_data.en_cols.en_cols_len < 4) return 0; if (NISENTRYLEN (entry, 0, result) >= room_left) @@ -199,11 +195,9 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, NISENTRYLEN (entry, 2, result)); first_unused[NISENTRYLEN (entry, 2, result)] = '\0'; len = strlen (first_unused); - if (len == 0) /* We should always have an gid */ + if (len == 0) /* We should always have a gid */ return 0; gr->gr_gid = strtoul (first_unused, NULL, 10); - room_left -= (strlen (first_unused) + 1); - first_unused += strlen (first_unused) + 1; if (NISENTRYLEN (entry, 3, result) >= room_left) goto no_more_room; @@ -218,7 +212,11 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, /* Adjust the pointer so it is aligned for storing pointers. */ first_unused += __alignof__ (char *) - 1; - first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *)); + size_t adjust = ((first_unused - (char *) 0) % __alignof__ (char *)); + if (room_left < adjust) + goto no_more_room; + first_unused -= adjust; + room_left -= adjust; gr->gr_mem = (char **) first_unused; count = 0; @@ -243,12 +241,10 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, { int is = isspace (*line); - *line = '\0'; + *line++ = '\0'; if (is) while (*line != '\0' && (*line == ',' || isspace (*line))) ++line; - else - ++line; } } if (room_left < sizeof (char *)) @@ -260,6 +256,7 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, } libnss_nisplus_hidden_def (_nss_nisplus_parse_grent) + int _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, char *buffer, size_t buflen, int *errnop) @@ -272,11 +269,10 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, return 0; if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || result->objects.objects_len != 1 - || __type_of(result->objects.objects_val) != NIS_ENTRY_OBJ - || strcmp (result->objects.objects_val->EN_data.en_type, - "passwd_tbl") != 0 - || result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 8) + || 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) @@ -314,10 +310,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, if (NISENTRYLEN (0, 7, result) > 0) { - char *line, *cp; - - line = NISENTRYVAL (0, 7, result); - cp = strchr (line, ':'); + char *line = NISENTRYVAL (0, 7, result); + char *cp = strchr (line, ':'); if (cp == NULL) return 1; *cp++ = '\0'; |