diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-parser.c')
| -rw-r--r-- | nis/nss_nisplus/nisplus-parser.c | 108 |
1 files changed, 48 insertions, 60 deletions
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c index 5ed07d86d9..1e1a343d52 100644 --- a/nis/nss_nisplus/nisplus-parser.c +++ b/nis/nss_nisplus/nisplus-parser.c @@ -31,10 +31,16 @@ #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_chk (nis_result *result, struct passwd *pw, - char *buffer, size_t buflen, int *errnop) +_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 @@ -43,19 +49,12 @@ _nss_nisplus_parse_pwent_chk (nis_result *result, struct passwd *pw, || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 7) return 0; - return _nss_nisplus_parse_pwent (result, 0, pw, buffer, buflen, errnop); -} - - -int -_nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, - char *buffer, size_t buflen, int *errnop) -{ + nis_object *obj = NIS_RES_OBJECT (result); char *first_unused = buffer; size_t room_left = buflen; size_t len; - if (NISENTRYLEN (entry, 0, result) >= room_left) + if (NISOBJLEN (0, obj) >= room_left) { /* The line is too long for our buffer. */ no_more_room: @@ -63,9 +62,8 @@ _nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, return -1; } - strncpy (first_unused, NISENTRYVAL (entry, 0, result), - NISENTRYLEN (entry, 0, result)); - first_unused[NISENTRYLEN (entry, 0, result)] = '\0'; + 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; @@ -73,19 +71,18 @@ _nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, room_left -= len + 1; first_unused += len + 1; - if (NISENTRYLEN (entry, 1, result) >= room_left) + if (NISOBJLEN (1, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 1, result), - NISENTRYLEN (entry, 1, result)); - first_unused[NISENTRYLEN (entry, 1, result)] = '\0'; + 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 = NISENTRYVAL (entry, 2, result); - len = NISENTRYLEN (entry, 2, result); + char *numstr = NISOBJVAL (2, obj); + len = NISOBJLEN (2, obj); if (len == 0 && numstr[len - 1] != '\0') { if (len >= room_left) @@ -100,8 +97,8 @@ _nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, return 0; pw->pw_uid = strtoul (numstr, NULL, 10); - numstr = NISENTRYVAL (entry, 3, result); - len = NISENTRYLEN (entry, 3, result); + numstr = NISOBJVAL (3, obj); + len = NISOBJLEN (3, obj); if (len == 0 && numstr[len - 1] != '\0') { if (len >= room_left) @@ -116,34 +113,31 @@ _nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, return 0; pw->pw_gid = strtoul (numstr, NULL, 10); - if (NISENTRYLEN(entry, 4, result) >= room_left) + if (NISOBJLEN(4, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 4, result), - NISENTRYLEN (entry, 4, result)); - first_unused[NISENTRYLEN (entry, 4, result)] = '\0'; + 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 (NISENTRYLEN (entry, 5, result) >= room_left) + if (NISOBJLEN (5, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 5, result), - NISENTRYLEN (entry, 5, result)); - first_unused[NISENTRYLEN (entry, 5, result)] = '\0'; + 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 (NISENTRYLEN (entry, 6, result) >= room_left) + if (NISOBJLEN (6, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 6, result), - NISENTRYLEN (entry, 6, result)); - first_unused[NISENTRYLEN (entry, 6, result)] = '\0'; + 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; @@ -154,26 +148,23 @@ _nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw, int -_nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, +_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 (result == NULL) - return 0; - - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ - || strcmp (NIS_RES_OBJECT (result)[entry].EN_data.en_type, - "group_tbl") != 0 - || NIS_RES_OBJECT (result)[entry].EN_data.en_cols.en_cols_len < 4) - return 0; - - if (NISENTRYLEN (entry, 0, result) >= room_left) + if (NISOBJLEN (0, obj) >= room_left) { /* The line is too long for our buffer. */ no_more_room: @@ -181,9 +172,8 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, return -1; } - strncpy (first_unused, NISENTRYVAL (entry, 0, result), - NISENTRYLEN (entry, 0, result)); - first_unused[NISENTRYLEN (entry, 0, result)] = '\0'; + 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; @@ -191,20 +181,19 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, room_left -= len + 1; first_unused += len + 1; - if (NISENTRYLEN (entry, 1, result) >= room_left) + if (NISOBJLEN (1, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 1, result), - NISENTRYLEN (entry, 1, result)); - first_unused[NISENTRYLEN (entry, 1, result)] = '\0'; + 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 = NISENTRYVAL (entry, 2, result); - len = NISENTRYLEN (entry, 2, result); - if (len == 0 && numstr[len - 1] != '\0') + char *numstr = NISOBJVAL (2, obj); + len = NISOBJLEN (2, obj); + if (len == 0 || numstr[len - 1] != '\0') { if (len >= room_left) goto no_more_room; @@ -218,12 +207,11 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr, return 0; gr->gr_gid = strtoul (numstr, NULL, 10); - if (NISENTRYLEN (entry, 3, result) >= room_left) + if (NISOBJLEN (3, obj) >= room_left) goto no_more_room; - strncpy (first_unused, NISENTRYVAL (entry, 3, result), - NISENTRYLEN (entry, 3, result)); - first_unused[NISENTRYLEN (entry, 3, result)] = '\0'; + 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; |