From 2d7da676f38bc00f40d2b604036c0295c156529e Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 11 Jul 1997 01:19:07 +0000 Subject: update. 1997-07-11 03:00 Ulrich Drepper * inet/inet_ntoa.c: Prevent looking for thread data key if we found one. * signal/sigandset.c: Include stddef.h to get NULL defined. * signal/sigisempty.c: Likewise. * signal/sigorset.c: Likewise. * sysdeps/stub/if_index.h: Likewise. * wcsmbs/wcstod_l.c: Include locale.h to get __locale_t defined. * wcsmbs/wcstof_l.c: Likewise. * wcsmbs/wcstol_l.c: Likewise. * wcsmbs/wcstold_l.c: Likewise. * wcsmbs/wcstoll_l.c: Likewise. * wcsmbs/wcstoul_l.c: Likewise. * wcsmbs/wcstoull_l.c: Likewise. Reported by Marcus G. Daniels . * stdio-common/snprintf.c: Use ISO C function definition form. * sysdeps/stub/libc-lock.h: Don't define __libc_key_create and __libc_setspecific as empty macros since they are used as function with return value. Reported by Andreas Jaeger. 1997-07-10 Marcus G. Daniels * sysdeps/mach/hurd/select.c (__select): Need bit count for MACH_MSG_TYPE_INTEGER_T. 1997-07-08 10:12 Fila Kolodny * sysdeps/i370/Implies: New file for i370-ibm-mvs port. * sysdeps/mvs/Implies: Likewise. 1997-07-09 23:06 Thorsten Kukuk * nis/Makefile: Add new source files. * nis/nis_intern.h: Add new internal functions. * nis/rpcsvc/nislib.h: Likewise. * nis/lckcache.c: New. * nis/nis_cache.c: New, dummy functions in the moment. * nis/nis_util.c: New. * nis/nisplus-parser.h: New. * nis/nss_nisplus/nisplus-parser.c: New. * nis/rpcsvc/nis_cache.h: New. * nis/rpcsvc/nis_cache.x: New. * nis/nss_compat/compat-grp.c: Matches Solaris behaviour now. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nisplus/nisplus-alias.c: Likewise. * nis/nss_nisplus/nisplus-ethers.c: Likewise. * nis/nss_nisplus/nisplus-grp.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Likewise. * nis/nss_nisplus/nisplus-netgrp.c: Likewise. * nis/nss_nisplus/nisplus-network.c: Likewise. * nis/nss_nisplus/nisplus-proto.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/nss_nisplus/nisplus-pwd.c: Likewise. * nis/nss_nisplus/nisplus-rpc.c: Likewise. * nis/nss_nisplus/nisplus-service.c: Likewise. * nis/nss_nisplus/nisplus-spwd.c: Likewise. * nis/nss_nis/nis-publickey.c: Remove libc-lock.h include. * nis/nis_intern.c: Removed. * nis/nis_call.c: Complete rewrite. * nis/nis_lookup.c: Likewise. * nis/nis_table.c: Likewise. * nis/libnsl.map: Add missing symbols. * nis/nis_print.c: Fix nis_print_link. * nis/nis_subr.c: Fix nis_getnames. 1997-07-09 07:19 H.J. Lu * posix/execvp.c (execvp): Handle ESTALE. 1997-07-10 13:54 Ulrich Drepper * posix/regex.c: Make CHAR_SET_SIZE definition always available, even if SYNTAX_TABLE is defined. Patch by Akim Demaille . 1997-07-09 08:16 H.J. Lu * libio/fileops.c (_IO_file_underflow): Adjust pointers before calling _IO_SYSREAD (). 1997-07-07 22:54 Zack Weinberg * sysdeps/sparc/divrem.m4: Eliminate use of "DEFS.h" (sysdep.h does the same job). * sysdeps/sparc/alloca.S: Likewise. * sysdeps/sparc/dotmul.S: Likewise. * sysdeps/sparc/udiv_qrnnd.S: Likewise. * sysdeps/sparc/rem.S: Regenerated. * sysdeps/sparc/sdiv.S: Regenerated. * sysdeps/sparc/udiv.S: Regenerated. * sysdeps/sparc/urem.S: Regenerated. * sysdeps/sparc/DEFS.h: Removed. * sysdeps/sparc/elf/DEFS.h: Removed. * sysdeps/sparc/Dist: Don't distribute DEFS.h. * sysdeps/unix/sparc/sysdep.h: Use 4 byte alignment. Add .type directive #ifdef HAVE_ELF. Minor format changes. * sysdeps/alpha/DEFS.h: Removed. * sysdeps/alpha/Dist: Don't distribute DEFS.h. 1997-07-07 19:03 H.J. Lu * math/test-fenv.c (feenv_nomask_test): Move fesetenv (FE_NOMASK_ENV) after fork () to work with SMP. * sysdeps/i386/fpu_control.h (_FPU_IEEE): Fix comment. 1997-07-08 Andreas Schwab * libc.map: Add _IO_peekc_locked. 1997-07-07 15:45 Fila Kolodny * Makeconfig: Add dbobjdir to rpath-link analogous to nssobjdir. 1997-07-08 Andreas Schwab * sysdeps/m68k/fpu/feholdexcpt.c: Shift the exception mask in the right position. * sysdeps/m68k/fpu/fesetenv.c (fesetenv): Likewise. 1997-07-08 13:59 Ulrich Drepper * time/strftime.c (spaces, zeroes): Handle broken SGI compiler. Patch by Richard Stallman . --- nis/nss_nisplus/nisplus-grp.c | 243 ++++++++++++++---------------------------- 1 file changed, 79 insertions(+), 164 deletions(-) (limited to 'nis/nss_nisplus/nisplus-grp.c') diff --git a/nis/nss_nisplus/nisplus-grp.c b/nis/nss_nisplus/nisplus-grp.c index bf851e0cea..f759f61ca0 100644 --- a/nis/nss_nisplus/nisplus-grp.c +++ b/nis/nss_nisplus/nisplus-grp.c @@ -27,143 +27,66 @@ #include #include "nss-nisplus.h" +#include "nisplus-parser.h" __libc_lock_define_initialized (static, lock); static nis_result *result = NULL; -static nis_name *names = NULL; +static unsigned long next_entry = 0; +static nis_name tablename_val = NULL; +static u_long tablename_len = 0; -#define NISENTRYVAL(idx,col,res) \ -((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val) - -#define NISENTRYLEN(idx,col,res) \ - ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len) - -int -_nss_nisplus_parse_grent (nis_result * result, struct group *gr, - char *buffer, size_t buflen) +static enum nss_status +_nss_create_tablename (void) { - char *first_unused = buffer; - size_t room_left = buflen; - char *line; - int count; - - if (result == NULL) - return 0; - - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) || - result->objects.objects_len != 1 || - result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ || - strcmp (result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type, - "group_tbl") != 0 || - result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len < 4) - return 0; - - if (NISENTRYLEN (0, 0, result) >= room_left) + if (tablename_val == NULL) { - /* The line is too long for our buffer. */ - no_more_room: - __set_errno (ERANGE); - return 0; + char buf [40 + strlen (nis_local_directory ())]; + char *p; + + p = stpcpy (buf, "group.org_dir."); + p = stpcpy (p, nis_local_directory ()); + tablename_val = strdup (buf); + if (tablename_val == NULL) + return NSS_STATUS_TRYAGAIN; + tablename_len = strlen (tablename_val); } + return NSS_STATUS_SUCCESS; +} - strncpy (first_unused, NISENTRYVAL (0, 0, result), - NISENTRYLEN (0, 0, result)); - first_unused[NISENTRYLEN (0, 0, result)] = '\0'; - gr->gr_name = first_unused; - room_left -= (strlen (first_unused) + 1); - first_unused += strlen (first_unused) + 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'; - gr->gr_passwd = first_unused; - room_left -= (strlen (first_unused) + 1); - first_unused += strlen (first_unused) + 1; - - if (NISENTRYLEN (0, 2, result) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISENTRYVAL (0, 2, result), - NISENTRYLEN (0, 2, result)); - first_unused[NISENTRYLEN (0, 2, result)] = '\0'; - gr->gr_gid = atoi (first_unused); - room_left -= (strlen (first_unused) + 1); - first_unused += strlen (first_unused) + 1; - - if (NISENTRYLEN (0, 3, result) >= room_left) - goto no_more_room; - - strncpy (first_unused, NISENTRYVAL (0, 3, result), - NISENTRYLEN (0, 3, result)); - first_unused[NISENTRYLEN (0, 3, result)] = '\0'; - line = first_unused; - room_left -= (strlen (line) + 1); - first_unused += strlen (line) + 1; - /* Adjust the pointer so it is aligned for - storing pointers. */ - first_unused += __alignof__ (char *) - 1; - first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *)); - 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; +static enum nss_status +internal_setgrent (void) +{ + if (result) + nis_freeresult (result); + result = NULL; + next_entry = 0; - while (*line != '\0' && *line != ',' && !isspace(*line)) - ++line; + if (tablename_val == NULL) + if (_nss_create_tablename () != NSS_STATUS_SUCCESS) + return NSS_STATUS_UNAVAIL; - if (line != gr->gr_mem[count]) - { - if (*line != '\0') - { - *line = '\0'; - ++line; - } - ++count; - } - else - gr->gr_mem[count] = NULL; + result = nis_list (tablename_val, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL); + if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) + { + nis_freeresult (result); + result = NULL; } - if (room_left < sizeof (char *)) - goto no_more_room; - room_left -= sizeof (char *); - gr->gr_mem[count] = NULL; - - return 1; + return niserr2nss (result->status); } enum nss_status _nss_nisplus_setgrent (void) { + enum nss_status status; + __libc_lock_lock (lock); - if (result) - nis_freeresult (result); - result = NULL; - if (names) - { - nis_freenames (names); - names = NULL; - } + status = internal_setgrent (); __libc_lock_unlock (lock); - return NSS_STATUS_SUCCESS; + return status; } enum nss_status @@ -174,11 +97,6 @@ _nss_nisplus_endgrent (void) if (result) nis_freeresult (result); result = NULL; - if (names) - { - nis_freenames (names); - names = NULL; - } __libc_lock_unlock (lock); @@ -190,31 +108,18 @@ internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen) { int parse_res; + if (result == NULL) + internal_setgrent (); + /* Get the next entry until we found a correct one. */ do { - if (result == NULL) - { - names = nis_getnames ("group.org_dir"); - if (names == NULL || names[0] == NULL) - return NSS_STATUS_UNAVAIL; - - result = nis_first_entry (names[0]); - if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) - return niserr2nss (result->status); - } - else - { - nis_result *res; - - res = nis_next_entry (names[0], &result->cookie); - nis_freeresult (result); - result = res; - if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) - return niserr2nss (result->status); - } + if (next_entry >= result->objects.objects_len) + return NSS_STATUS_NOTFOUND; - parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen); + parse_res = _nss_nisplus_parse_grent (result, next_entry, gr, + buffer, buflen); + ++next_entry; } while (!parse_res); @@ -241,16 +146,20 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr, { int parse_res; + if (tablename_val == NULL) + if (_nss_create_tablename() != NSS_STATUS_SUCCESS) + return NSS_STATUS_UNAVAIL; + if (name == NULL || strlen (name) > 8) return NSS_STATUS_NOTFOUND; else { nis_result *result; - char buf[strlen (name) + 24]; + char buf[strlen (name) + 24 + tablename_len]; - sprintf (buf, "[name=%s],group.org_dir", name); + sprintf (buf, "[name=%s],%s", name, tablename_val); - result = nis_list (buf, EXPAND_NAME, NULL, NULL); + result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL); if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) { @@ -260,7 +169,7 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr, return status; } - parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen); + parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen); nis_freeresult (result); @@ -278,31 +187,37 @@ enum nss_status _nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr, char *buffer, size_t buflen) { - int parse_res; - nis_result *result; - char buf[36]; + if (tablename_val == NULL) + if (_nss_create_tablename() != NSS_STATUS_SUCCESS) + return NSS_STATUS_UNAVAIL; - sprintf (buf, "[gid=%d],group.org_dir", gid); + { + int parse_res; + nis_result *result; + char buf[36 + tablename_len]; - result = nis_list (buf, EXPAND_NAME, NULL, NULL); + sprintf (buf, "[gid=%d],%s", gid, tablename_val); - if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) - { - enum nss_status status = niserr2nss (result->status); + result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); - nis_freeresult (result); - return status; - } + if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) + { + enum nss_status status = niserr2nss (result->status); + + nis_freeresult (result); + return status; + } - parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen); + parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen); - nis_freeresult (result); + nis_freeresult (result); - if (parse_res) - return NSS_STATUS_SUCCESS; + if (parse_res) + return NSS_STATUS_SUCCESS; - if (!parse_res && errno == ERANGE) - return NSS_STATUS_TRYAGAIN; - else - return NSS_STATUS_NOTFOUND; + if (!parse_res && errno == ERANGE) + return NSS_STATUS_TRYAGAIN; + else + return NSS_STATUS_NOTFOUND; + } } -- cgit v1.2.3