From 60c966358ed6fa6ce3ded5426f46232cbfd8e0fd Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 22 Jul 1997 00:10:33 +0000 Subject: Update. 1997-07-22 01:35 Ulrich Drepper * Makerules (+make-deps): Use $(CFLAGS) in run of $(+mkdep) so that optimizing is also selected for dependency generation. * configure.in: Add machine description for TI c[34]x. * inet/Makefile (routines): Remove ntohl and ntohs. * inet/netinet/in.h: Use optimized version of hton? and ntoh? for little endian machines. * sysdeps/alpha/ntohl.s: Removed. * sysdeps/alpha/ntohs.s: Removed. * sysdeps/generic/ntohl.c: Removed. * sysdeps/generic/ntohs.c: Removed. * sysdeps/generic/htonl.c: Add aliases for ntohl. * sysdeps/vax/htonl.s: Likewise. * sysdeps/generic/htons.c: Add aliases for ntohs. * sysdeps/vax/htons.s: Likewise. * sysdeps/vax/ntohl.s: Removed. * sysdeps/vax/ntohs.s: Removed. * sysdeps/generic/bits/htontoh.h: New file. * sysdeps/i386/htonl.S: New file. * sysdeps/i386/htons.S: New file. * sysdeps/i386/i486/htonl.S: New file. * sysdeps/i386/fpu/bits/mathinline.h: Correct and optimized compare macros. * sysdeps/mips/dl-machine.h: Remove mips64 dependent parts. * sysdeps/mips/mips64/dl-machine.h: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't install syscall-list.h. 1997-07-12 Andreas Jaeger * libc.map: Add missing symbol _obstack. 1997-07-14 08:22 H.J. Lu * sysdeps/mips/rtld-parms: New. * sysdeps/unix/sysv/linux/mips/lxstat.h: Moved to * sysdeps/unix/sysv/linux/mips/lxstat.c: ...this. * sysdeps/unix/sysv/linux/mips/sgidef.h: Moved to * sysdeps/unix/sysv/linux/mips/sgidefs.h: ...this. * sysdeps/generic/dl-sysdep.c (_start): Change to ENTRY_POINT. 1997-07-17 08:39 H.J. Lu * sysdeps/mips/dl-machine.h: Remove extra stuff. 1997-07-06 07:18 Geoff Keating * sysdeps/powerpc/bits/endian.h: Handle multiple endianess. * stdlib/grouping.h: Suppress gcc warning about testing unsigned char for less-than-zero. * stdio-common/printf_fp.c: Likewise. * stdio-common/vfprintf.c: Likewise. * sysdeps/powerpc/add_n.s: New file. * sysdeps/powerpc/sub_n.s: New file. * sysdeps/powerpc/lshift.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/mul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/addmul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/submul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/rshift.s: Ported XCOFF->ELF (from GMP). * math/libm-test.c (cos_test, sin_test, sincos_test): Use precomputed pi/6 rather than having gcc calculate it, otherwise tests give inaccurate result due to inaccurate input. * math/libm.map: Add __fe_*_env constants to list of exported symbols. * sysdeps/libm-ieee754/s_isinf.c: Simplify, make faster. * sysdeps/libm-ieee754/s_isinff.c: Simplify, make faster. * sysdeps/libm-ieee754/s_atan2f.c: Correct value of pi to be correct round-to-nearest value. * sysdeps/libm-ieee754/e_log.c: Make sure exceptions are raised. * sysdeps/libm-ieee754/e_log10.c: Likewise. * sysdeps/libm-ieee754/e_log10f.c: Likewise. * sysdeps/libm-ieee754/e_logf.c: Likewise. * sysdeps/libm-ieee754/s_log1p.c: Likewise. Also use correct -Inf. * sysdeps/libm-ieee754/s_log1pf.c: Likewise. Also use correct -Inf. * sysdeps/libm-ieee754/s_log2.c: Likewise. * sysdeps/libm-ieee754/s_log2f.c: Likewise. 1997-07-15 21:54 Thorsten Kukuk * nis/nss_compat/compat-grp.c: Fix "buffer to small" problems and memory leaks. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nis/nis-alias.c: Likewise. * nis/nss_nis/nis-ethers.c: Likewise. * nis/nss_nis/nis-grp.c: Likewise. * nis/nss_nis/nis-hosts.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-pwd.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-service.c: Likewise. * nis/nss_nis/nis-spwd.c: Likewise. * nis/nss_nisplus-alias.c: Likewise. * nis/nss_nisplus-ethers.c: Likewise. * nis/nss_nisplus-grp.c: Likewise. * nis/nss_nisplus-hosts.c: Likewise. * nis/nss_nisplus-netgrp.c: Likewise. * nis/nss_nisplus-network.c: Likewise. * nis/nss_nisplus-proto.c: Likewise. * nis/nss_nisplus-pwd.c: Likewise. * nis/nss_nisplus-rpc.c: Likewise. * nis/nss_nisplus-service.c: Likewise. * nis/nss_nisplus-spwd.c: Likewise. * nis/nss_nisplus-parse.c: If buffer to small, give -1 back. 1997-07-20 Andreas Schwab * sysdeps/m68k/dl-machine.h (elf_machine_rela): Mention program name in warning message. * sysdeps/powerpc/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/sparc/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/sparc64/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_rel): Print program name first. 1997-07-20 19:33 Thorsten Kukuk * libc.map: Add _null_auth and _seterr_reply. * sunrpc/clnt_udp.c (clntudp_call): If xargs is NULL, don't encode it. --- nis/nss_compat/compat-pwd.c | 123 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 103 insertions(+), 20 deletions(-) (limited to 'nis/nss_compat/compat-pwd.c') diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c index 0d0f2a6c33..af1267922c 100644 --- a/nis/nss_compat/compat-pwd.c +++ b/nis/nss_compat/compat-pwd.c @@ -272,6 +272,9 @@ internal_endpwent (ent_t *ent) ent->stream = NULL; } + if (ent->netgroup) + __internal_endnetgrent (&ent->netgrdata); + ent->nis = ent->first = ent->netgroup = 0; if (ent->oldkey != NULL) @@ -303,9 +306,6 @@ _nss_compat_endpwent (void) __libc_lock_lock (lock); - if (ext_ent.netgroup) - __internal_endnetgrent (&ext_ent.netgrdata); - result = internal_endpwent (&ext_ent); __libc_lock_unlock (lock); @@ -339,6 +339,10 @@ getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group, while (1) { + char *saved_cursor; + int parse_res; + + saved_cursor = ent->netgrdata.cursor; status = __internal_getnetgrent_r (&host, &user, &domain, &ent->netgrdata, buffer, buflen); if (status != 1) @@ -372,7 +376,13 @@ getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group, while (isspace (*p)) p++; free (outval); - if (_nss_files_parse_pwent (p, result, data, buflen)) + if ((parse_res = _nss_files_parse_pwent (p, result, data, buflen)) == -1) + { + ent->netgrdata.cursor = saved_cursor; + return NSS_STATUS_TRYAGAIN; + } + + if (parse_res) { copy_pwd_changes (result, &ent->pwd, p2, p2len); break; @@ -410,6 +420,9 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group, while (1) { + char *saved_cursor; + + saved_cursor = ent->netgrdata.cursor; status = __internal_getnetgrent_r (&host, &user, &domain, &ent->netgrdata, buffer, buflen); if (status != 1) @@ -419,13 +432,13 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group, give_pwd_free (&ent->pwd); return NSS_STATUS_RETURN; } - + if (user == NULL || user[0] == '-') continue; - + if (domain != NULL && strcmp (ypdomain, domain) != 0) continue; - + p2len = pwd_need_buflen (&ent->pwd); if (p2len > buflen) { @@ -444,7 +457,13 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group, nis_freeresult (nisres); continue; } - parse_res = _nss_nisplus_parse_pwent (nisres, result, buffer, buflen); + if ((parse_res = _nss_nisplus_parse_pwent (nisres, result, buffer, + buflen)) == -1) + { + nis_freeresult (nisres); + ent->netgrdata.cursor = saved_cursor; + return NSS_STATUS_TRYAGAIN; + } nis_freeresult (nisres); if (parse_res) @@ -485,8 +504,14 @@ getpwent_next_nisplus (struct passwd *result, ent_t *ent, char *buffer, buflen -= p2len; do { + bool_t saved_first; + nis_result *saved_res; + if (ent->first) { + saved_first = TRUE; + saved_res = ent->result; + ent->result = nis_first_entry(pwdtable); if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS) { @@ -501,17 +526,32 @@ getpwent_next_nisplus (struct passwd *result, ent_t *ent, char *buffer, nis_result *res; res = nis_next_entry(pwdtable, &ent->result->cookie); - nis_freeresult (ent->result); + saved_res = ent->result; + saved_first = FALSE; ent->result = res; if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS) { ent->nis = 0; + nis_freeresult (saved_res); give_pwd_free (&ent->pwd); return niserr2nss (ent->result->status); } } - parse_res = _nss_nisplus_parse_pwent (ent->result, result, buffer, - buflen); + if ((parse_res = _nss_nisplus_parse_pwent (ent->result, result, buffer, + buflen)) == -1) + { + nis_freeresult (ent->result); + ent->result = saved_res; + ent->first = saved_first; + __set_errno (ERANGE); + return NSS_STATUS_TRYAGAIN; + } + else + { + if (!saved_first) + nis_freeresult (saved_res); + } + if (parse_res && in_blacklist (result->pw_name, strlen (result->pw_name), ent)) parse_res = 0; /* if result->pw_name in blacklist,search next entry */ @@ -549,6 +589,10 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer, buflen -= p2len; do { + bool_t saved_first; + char *saved_oldkey; + int saved_oldlen; + if (ent->first) { if (yp_first (domain, "passwd.byname", &outkey, &outkeylen, @@ -558,7 +602,10 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer, give_pwd_free (&ent->pwd); return NSS_STATUS_UNAVAIL; } - + + saved_first = TRUE; + saved_oldkey = ent->oldkey; + saved_oldlen = ent->oldkeylen; ent->oldkey = outkey; ent->oldkeylen = outkeylen; ent->first = FALSE; @@ -574,7 +621,9 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer, return NSS_STATUS_NOTFOUND; } - free (ent->oldkey); + saved_first = FALSE; + saved_oldkey = ent->oldkey; + saved_oldlen = ent->oldkeylen; ent->oldkey = outkey; ent->oldkeylen = outkeylen; } @@ -587,7 +636,20 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer, while (isspace (*p)) ++p; - parse_res = _nss_files_parse_pwent (p, result, data, buflen); + if ((parse_res = _nss_files_parse_pwent (p, result, data, buflen)) == -1) + { + free (ent->oldkey); + ent->oldkey = saved_oldkey; + ent->oldkeylen = saved_oldlen; + ent->first = saved_first; + __set_errno (ERANGE); + return NSS_STATUS_TRYAGAIN; + } + else + { + if (!saved_first) + free (saved_oldkey); + } if (parse_res && in_blacklist (result->pw_name, strlen (result->pw_name), ent)) parse_res = 0; @@ -637,7 +699,13 @@ getpwent_next_file_plususer (struct passwd *result, char *buffer, nis_freeresult (res); return status; } - parse_res = _nss_nisplus_parse_pwent (res, result, buffer, buflen); + if ((parse_res = _nss_nisplus_parse_pwent (res, result, buffer, + buflen)) == -1) + { + nis_freeresult (res); + __set_errno (ERANGE); + return NSS_STATUS_TRYAGAIN; + } nis_freeresult (res); } else /* Use NIS */ @@ -645,10 +713,10 @@ getpwent_next_file_plususer (struct passwd *result, char *buffer, char *domain; char *outval; int outvallen; - + if (yp_get_default_domain (&domain) != YPERR_SUCCESS) return NSS_STATUS_TRYAGAIN; - + if (yp_match (domain, "passwd.byname", &result->pw_name[1], strlen (result->pw_name) - 1, &outval, &outvallen) != YPERR_SUCCESS) @@ -658,10 +726,14 @@ getpwent_next_file_plususer (struct passwd *result, char *buffer, free (outval); while (isspace (*p)) p++; - parse_res = _nss_files_parse_pwent (p, result, data, buflen); + if ((parse_res = _nss_files_parse_pwent (p, result, data, buflen)) == -1) + { + __set_errno (ERANGE); + return NSS_STATUS_TRYAGAIN; + } } - if (parse_res) + if (parse_res > 0) { copy_pwd_changes (result, &pwd, p, plen); give_pwd_free (&pwd); @@ -684,10 +756,13 @@ getpwent_next_file (struct passwd *result, ent_t *ent, struct parser_data *data = (void *) buffer; while (1) { + fpos_t pos; char *p; + int parse_res; do { + fgetpos (ent->stream, &pos); p = fgets (buffer, buflen, ent->stream); if (p == NULL) return NSS_STATUS_NOTFOUND; @@ -702,7 +777,15 @@ getpwent_next_file (struct passwd *result, ent_t *ent, while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */ /* Parse the line. If it is invalid, loop to get the next line of the file to parse. */ - !_nss_files_parse_pwent (p, result, data, buflen)); + !(parse_res = _nss_files_parse_pwent (p, result, data, buflen))); + + if (parse_res == -1) + { + /* The parser ran out of space. */ + fsetpos (ent->stream, &pos); + __set_errno (ERANGE); + return NSS_STATUS_TRYAGAIN; + } if (result->pw_name[0] != '+' && result->pw_name[0] != '-') /* This is a real entry. */ -- cgit v1.2.3