diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-parser.c')
-rw-r--r-- | nis/nss_nisplus/nisplus-parser.c | 252 |
1 files changed, 126 insertions, 126 deletions
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c index 1e1a343d52..b61733a628 100644 --- a/nis/nss_nisplus/nisplus-parser.c +++ b/nis/nss_nisplus/nisplus-parser.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1999, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. @@ -25,36 +25,33 @@ #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 NISENTRYVAL(idx,col,res) \ + ((res)->objects.objects_val[(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) +#define NISENTRYLEN(idx,col,res) \ + ((res)->objects.objects_val[(idx)].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) + if (result == NULL) + 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) + return 0; + + if (NISENTRYLEN (0, 0, result) >= room_left) { /* The line is too long for our buffer. */ no_more_room: @@ -62,109 +59,111 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw, return -1; } - strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj)); - first_unused[NISOBJLEN (0, obj)] = '\0'; + 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) /* No name ? Should never happen, database is corrupt */ return 0; pw->pw_name = first_unused; - room_left -= len + 1; - first_unused += len + 1; + room_left -= (len + 1); + first_unused += (len + 1); - if (NISOBJLEN (1, obj) >= room_left) + if (NISENTRYLEN (0, 1, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj)); - first_unused[NISOBJLEN (1, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (0, 1, result), + NISENTRYLEN (0, 1, result)); + first_unused[NISENTRYLEN (0, 1, result)] = '\0'; pw->pw_passwd = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + 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; + if (NISENTRYLEN(0, 2, result) >= 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. */ + strncpy (first_unused, NISENTRYVAL (0, 2, result), + NISENTRYLEN (0, 2, result)); + first_unused[NISENTRYLEN (0, 2, result)] = '\0'; + len = strlen (first_unused); + if (len == 0) /* If we don't have a uid, it's an invalid shadow entry */ return 0; - pw->pw_uid = strtoul (numstr, NULL, 10); + pw->pw_uid = strtoul (first_unused, NULL, 10); + room_left -= (len + 1); + first_unused += (len + 1); - numstr = NISOBJVAL (3, obj); - len = NISOBJLEN (3, obj); - if (len == 0 && numstr[len - 1] != '\0') - { - if (len >= room_left) - goto no_more_room; + if (NISENTRYLEN (0, 3, result) >= 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. */ + strncpy (first_unused, NISENTRYVAL (0, 3, result), + NISENTRYLEN (0, 3, result)); + first_unused[NISENTRYLEN (0, 3, result)] = '\0'; + len = strlen (first_unused); + if (len == 0) /* If we don't have a gid, it's an invalid shadow entry */ return 0; - pw->pw_gid = strtoul (numstr, NULL, 10); + pw->pw_gid = strtoul (first_unused, NULL, 10); + room_left -= (len + 1); + first_unused += (len + 1); - if (NISOBJLEN(4, obj) >= room_left) + if (NISENTRYLEN(0, 4, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (4, obj), NISOBJLEN (4, obj)); - first_unused[NISOBJLEN (4, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (0, 4, result), + NISENTRYLEN (0, 4, result)); + first_unused[NISENTRYLEN (0, 4, result)] = '\0'; pw->pw_gecos = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + room_left -= (len + 1); + first_unused += (len + 1); - if (NISOBJLEN (5, obj) >= room_left) + if (NISENTRYLEN (0, 5, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (5, obj), NISOBJLEN (5, obj)); - first_unused[NISOBJLEN (5, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (0, 5, result), + NISENTRYLEN (0, 5, result)); + first_unused[NISENTRYLEN (0, 5, result)] = '\0'; pw->pw_dir = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + room_left -= (len + 1); + first_unused += (len + 1); - if (NISOBJLEN (6, obj) >= room_left) + if (NISENTRYLEN (0, 6, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (6, obj), NISOBJLEN (6, obj)); - first_unused[NISOBJLEN (6, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (0, 6, result), + NISENTRYLEN (0, 6, result)); + first_unused[NISENTRYLEN (0, 6, result)] = '\0'; pw->pw_shell = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + room_left -= (len + 1); + first_unused += (len + 1); return 1; } - +libnss_nisplus_hidden_def (_nss_nisplus_parse_pwent) int -_nss_nisplus_parse_grent (nis_result *result, struct group *gr, +_nss_nisplus_parse_grent (nis_result *result, u_long entry, 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) + if (result == NULL) + 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, + "group_tbl") != 0 + || result->objects.objects_val[entry].EN_data.en_cols.en_cols_len < 4) + return 0; + + if (NISENTRYLEN (entry, 0, result) >= room_left) { /* The line is too long for our buffer. */ no_more_room: @@ -172,59 +171,54 @@ _nss_nisplus_parse_grent (nis_result *result, struct group *gr, return -1; } - strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj)); - first_unused[NISOBJLEN (0, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (entry, 0, result), + NISENTRYLEN (entry, 0, result)); + first_unused[NISENTRYLEN (entry, 0, result)] = '\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; + room_left -= (len + 1); + first_unused += (len + 1); - if (NISOBJLEN (1, obj) >= room_left) + if (NISENTRYLEN (entry, 1, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj)); - first_unused[NISOBJLEN (1, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (entry, 1, result), + NISENTRYLEN (entry, 1, result)); + first_unused[NISENTRYLEN (entry, 1, result)] = '\0'; gr->gr_passwd = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + 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; + if (NISENTRYLEN (entry, 2, result) >= 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. */ + strncpy (first_unused, NISENTRYVAL (entry, 2, result), + NISENTRYLEN (entry, 2, result)); + first_unused[NISENTRYLEN (entry, 2, result)] = '\0'; + len = strlen (first_unused); + if (len == 0) /* We should always have an gid */ return 0; - gr->gr_gid = strtoul (numstr, NULL, 10); + gr->gr_gid = strtoul (first_unused, NULL, 10); + room_left -= (strlen (first_unused) + 1); + first_unused += strlen (first_unused) + 1; - if (NISOBJLEN (3, obj) >= room_left) + if (NISENTRYLEN (entry, 3, result) >= room_left) goto no_more_room; - strncpy (first_unused, NISOBJVAL (3, obj), NISOBJLEN (3, obj)); - first_unused[NISOBJLEN (3, obj)] = '\0'; + strncpy (first_unused, NISENTRYVAL (entry, 3, result), + NISENTRYLEN (entry, 3, result)); + first_unused[NISENTRYLEN (entry, 3, result)] = '\0'; line = first_unused; len = strlen (line); - room_left -= len + 1; - first_unused += len + 1; + 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; + first_unused += __alignof__ (char *) - 1; + first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *)); gr->gr_mem = (char **) first_unused; count = 0; @@ -249,10 +243,12 @@ _nss_nisplus_parse_grent (nis_result *result, 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 *)) @@ -262,7 +258,7 @@ _nss_nisplus_parse_grent (nis_result *result, struct group *gr, return 1; } - +libnss_nisplus_hidden_def (_nss_nisplus_parse_grent) int _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, @@ -276,10 +272,11 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, 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) + || 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) return 0; if (NISENTRYLEN (0, 0, result) >= room_left) @@ -297,8 +294,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, if (len == 0) return 0; sp->sp_namp = first_unused; - room_left -= len + 1; - first_unused += len + 1; + room_left -= (len + 1); + first_unused += (len + 1); if (NISENTRYLEN (0, 1, result) >= room_left) goto no_more_room; @@ -308,8 +305,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, first_unused[NISENTRYLEN (0, 1, result)] = '\0'; sp->sp_pwdp = first_unused; len = strlen (first_unused); - room_left -= len + 1; - first_unused += len + 1; + 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; @@ -317,8 +314,10 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, if (NISENTRYLEN (0, 7, result) > 0) { - char *line = NISENTRYVAL (0, 7, result); - char *cp = strchr (line, ':'); + char *line, *cp; + + line = NISENTRYVAL (0, 7, result); + cp = strchr (line, ':'); if (cp == NULL) return 1; *cp++ = '\0'; @@ -374,3 +373,4 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp, return 1; } +libnss_nisplus_hidden_def (_nss_nisplus_parse_spent) |