diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | iconv/iconv_charmap.c | 24 | ||||
| -rw-r--r-- | locale/programs/locfile.c | 11 | ||||
| -rw-r--r-- | nis/nis_defaults.c | 125 | ||||
| -rw-r--r-- | nis/nis_lookup.c | 35 |
5 files changed, 113 insertions, 102 deletions
diff --git a/ChangeLog b/ChangeLog index 154caca49d..a04f97b483 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,7 +1,25 @@ 2006-05-09 Ulrich Drepper <drepper@redhat.com> + * nis/nis_defaults.c (searchXYX): New functions. Used by both + searchgroup and searchowner. Significantly simplified. + (__nis_default_owner): Remove duplication. Do not locally copy the + string before duplicating it. + (__nis_default_group): Likewise. + + * nis/nis_lookup.c (nis_lookup): After calling nis_free_directory, + we must clear the variable before calling __nisfind_server. + + * nis/nis_lookup.c (nis_lookup): Always free memory allocated with + nis_getnames. [Coverity CID 223] + + * locale/programs/locfile.c (locfile_read): Use alloca instead of + xmalloc to allocate local repertoire name. [Coverity CID 222] + + * iconv/iconv_charmap.c (use_to_charmap): No need to dynamically + allocate memory for the input to add_bytes. [Coverity CID 221] + * posix/wordexp.c (w_addword): Free word if realloc fails and it - was allocated here. [Coverity CID 219] + was allocated here. [Coverity CID 219, 220] * posix/getconf.c (print_all): Free confstr data after printing. [Coverity CID 218] diff --git a/iconv/iconv_charmap.c b/iconv/iconv_charmap.c index 328121edbe..a54d738120 100644 --- a/iconv/iconv_charmap.c +++ b/iconv/iconv_charmap.c @@ -365,19 +365,27 @@ use_to_charmap (const char *from_code, struct charmap_t *to_charmap) if (outptr != (char *) outbuf) { /* We got some output. Good, use it. */ - struct charseq *newp; + union + { + struct charseq seq; + struct + { + const char *name; + uint32_t ucs4; + int nbytes; + unsigned char bytes[outlen]; + } mem; + } new; outlen = sizeof (outbuf) - outlen; assert ((char *) outbuf + outlen == outptr); - newp = (struct charseq *) xmalloc (sizeof (struct charseq) - + outlen); - newp->name = out->name; - newp->ucs4 = out->ucs4; - newp->nbytes = outlen; - memcpy (newp->bytes, outbuf, outlen); + new.mem.name = out->name; + new.mem.ucs4 = out->ucs4; + new.mem.nbytes = outlen; + memcpy (new.mem.bytes, outbuf, outlen); - add_bytes (rettbl, newp, out); + add_bytes (rettbl, &new.seq, out); } /* Clear any possible state left behind. */ diff --git a/locale/programs/locfile.c b/locale/programs/locfile.c index bc12fbb332..ae8ce73ce4 100644 --- a/locale/programs/locfile.c +++ b/locale/programs/locfile.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996-2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 1996-2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.org>, 1996. @@ -155,10 +155,11 @@ argument to `%s' must be a single character"), if (repertoire_name == NULL) { - repertoire_name = memcpy (xmalloc (arg->val.str.lenmb + 1), - arg->val.str.startmb, - arg->val.str.lenmb); - ((char *) repertoire_name)[arg->val.str.lenmb] = '\0'; + char *newp = alloca (arg->val.str.lenmb + 1); + + *((char *) mempcpy (newp, arg->val.str.startmb, + arg->val.str.lenmb)) = '\0'; + repertoire_name = newp; } break; diff --git a/nis/nis_defaults.c b/nis/nis_defaults.c index f13578635a..59fbbe4b26 100644 --- a/nis/nis_defaults.c +++ b/nis/nis_defaults.c @@ -1,4 +1,4 @@ -/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc. +/* Copyright (c) 1997, 1998, 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. @@ -17,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <assert.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -30,45 +31,36 @@ ** Some functions for parsing the -D param and NIS_DEFAULTS Environ */ static nis_name -searchgroup (char *str) +searchXYX (char *str, const char *what) { - char *cptr; - int i; + assert (strlen (what) == 6); + assert (strncmp (str, what, 6) == 0); + str += 6; /* Points to the begin of the parameters. */ + + int i = 0; + while (str[i] != '\0' && str[i] != ':') + ++i; + if (i == 0) /* only "<WHAT>=" ? */ + return strdup (""); - cptr = strstr (str, "group="); - if (cptr == NULL) - return NULL; + return strndup (str, i); +} - cptr += 6; /* points to the begin of the group string */ - i = 0; - while (cptr[i] != '\0' && cptr[i] != ':') - i++; - if (i == 0) /* only "group=" ? */ - return (nis_name) ""; - return strndup (cptr, i); +static nis_name +searchgroup (char *str) +{ + return searchXYX (str, "group="); } + static nis_name searchowner (char *str) { - char *cptr; - int i; - - cptr = strstr (str, "owner="); - if (cptr == NULL) - return NULL; - - cptr += 6; /* points to the begin of the owner string */ - i = 0; - while (cptr[i] != '\0' && cptr[i] != ':') - i++; - if (i == 0) /* only "owner=" ? */ - return strdup (""); - - return strndup (cptr, i); + return searchXYX (str, "owner="); } + static uint32_t searchttl (char *str) { @@ -358,86 +350,61 @@ searchaccess (char *str, unsigned int access) return result; } + nis_name __nis_default_owner (char *defaults) { - char default_owner[NIS_MAXNAMELEN + 1]; - char *cptr, *dptr; + char *default_owner = NULL; - strcpy (default_owner, nis_local_principal ()); + char *cptr = defaults; + if (cptr == NULL) + cptr = getenv ("NIS_DEFAULTS"); - if (defaults != NULL) + if (cptr != NULL) { - dptr = strstr (defaults, "owner="); + char *dptr = strstr (cptr, "owner="); if (dptr != NULL) { - char *p = searchowner (defaults); - if (strlen (p) <= NIS_MAXNAMELEN) - strcpy (default_owner, p); + char *p = searchowner (dptr); + if (p == NULL) + return NULL; + default_owner = strdupa (p); free (p); } } - else - { - cptr = getenv ("NIS_DEFAULTS"); - if (cptr != NULL) - { - dptr = strstr (cptr, "owner="); - if (dptr != NULL) - { - char *p = searchowner (cptr); - if (strlen (p) <= NIS_MAXNAMELEN) - strcpy (default_owner, p); - free (p); - } - } - } - return strdup (default_owner); + return strdup (default_owner ?: nis_local_principal ()); } libnsl_hidden_def (__nis_default_owner) + nis_name __nis_default_group (char *defaults) { - char default_group[NIS_MAXNAMELEN + 1]; - char *cptr, *dptr; + char *default_group = NULL; - strcpy (default_group, nis_local_group ()); + char *cptr = defaults; + if (cptr == NULL) + cptr = getenv ("NIS_DEFAULTS"); - if (defaults != NULL) + if (cptr != NULL) { - dptr = strstr (defaults, "group="); + char *dptr = strstr (cptr, "group="); if (dptr != NULL) { - char *p = searchgroup (defaults); - - if (strlen (p) <= NIS_MAXNAMELEN) - strcpy (default_group, p); + char *p = searchgroup (dptr); + if (p == NULL) + return NULL; + default_group = strdupa (p); free (p); } } - else - { - cptr = getenv ("NIS_DEFAULTS"); - if (cptr != NULL) - { - dptr = strstr (cptr, "group="); - if (dptr != NULL) - { - char *p = searchgroup (cptr); - - if (strlen (p) <= NIS_MAXNAMELEN) - strcpy (default_group, p); - free (p); - } - } - } - return strdup (default_group); + return strdup (default_group ?: nis_local_group ()); } libnsl_hidden_def (__nis_default_group) + uint32_t __nis_default_ttl (char *defaults) { diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c index 4cb34dd1a8..821b9bce73 100644 --- a/nis/nis_lookup.c +++ b/nis/nis_lookup.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 1999, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 1997-1999, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997. @@ -65,7 +65,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) if (status != NIS_SUCCESS) { NIS_RES_STATUS (res) = status; - return res; + goto out; } status = __nisbind_create (&bptr, dir->do_servers.do_servers_val, @@ -74,7 +74,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) { NIS_RES_STATUS (res) = status; nis_free_directory (dir); - return res; + goto out;; } while (__nisbind_connect (&bptr) != NIS_SUCCESS) @@ -83,7 +83,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) { nis_free_directory (dir); NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE; - return res; + goto out; } } @@ -121,8 +121,21 @@ nis_lookup (const_nis_name name, const unsigned int flags) req.ns_name = strdup (NIS_RES_OBJECT (res)->LI_data.li_name); if (req.ns_name == NULL) - return NULL; + { + nis_free_directory (dir); + res = NULL; + goto out; + } + /* The following is a non-obvious optimization. A + nis_freeresult call would call xdr_free as the + following code. But it also would unnecessarily + free the result structure. We avoid this here + along with the necessary tests. */ +#if 1 + xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res); + memset (res, '\0', sizeof (*res)); +#else nis_freeresult (res); res = calloc (1, sizeof (nis_result)); if (res == NULL) @@ -130,6 +143,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) __nisbind_destroy (&bptr); return NULL; } +#endif link_first_try = 1; /* Try at first the old binding */ goto again; @@ -144,10 +158,12 @@ nis_lookup (const_nis_name name, const unsigned int flags) { __nisbind_destroy (&bptr); nis_free_directory (dir); + /* Otherwise __nisfind_server will not do anything. */ + dir = NULL; if (__nisfind_server (req.ns_name, &dir) != NIS_SUCCESS) - return res; + goto out; if (__nisbind_create (&bptr, dir->do_servers.do_servers_val, @@ -155,7 +171,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) flags) != NIS_SUCCESS) { nis_free_directory (dir); - return res; + goto out; } } else @@ -167,7 +183,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) if (__nisbind_next (&bptr) != NIS_SUCCESS) { nis_free_directory (dir); - return res; + goto out; } } goto again; @@ -184,7 +200,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) if (status != NIS_SUCCESS) { NIS_RES_STATUS (res) = status; - return res; + goto out; } switch (NIS_RES_STATUS (res)) @@ -216,6 +232,7 @@ nis_lookup (const_nis_name name, const unsigned int flags) } } + out: if (names != namebuf) nis_freenames (names); |