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localedef(1): Fix for memory leaks reported by coverity.

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Also some small cleanups to match better current illumos.

CID: 1338540, 1338541, 1338557, 1338566

Obtained from:	illumos
Discussed with:	Yuri Pankov (@Nexenta)
MFC after:	5 days
This commit is contained in:
Pedro F. Giffuni 2017-03-09 15:21:03 +00:00
parent 15feda9eb0
commit 830784ef0f
5 changed files with 51 additions and 29 deletions
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6
usr.bin/localedef/collate.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
@ -1291,21 +1291,25 @@ dump_collate(void)
if ((wr_category(vers, COLLATE_STR_LEN, f) < 0) ||
(wr_category(&collinfo, sizeof (collinfo), f) < 0) ||
(wr_category(&chars, sizeof (chars), f) < 0)) {
delete_category(f);
return;
}
for (i = 0; i < NUM_WT; i++) {
sz = sizeof (collate_subst_t) * collinfo.subst_count[i];
if (wr_category(subst[i], sz, f) < 0) {
delete_category(f);
return;
}
}
sz = sizeof (collate_chain_t) * collinfo.chain_count;
if (wr_category(chain, sz, f) < 0) {
delete_category(f);
return;
}
sz = sizeof (collate_large_t) * collinfo.large_count;
if (wr_category(large, sz, f) < 0) {
delete_category(f);
return;
}

45
usr.bin/localedef/ctype.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright 2012 Garrett D'Amore <garrett@damore.org> All rights reserved.
* Copyright 2015 John Marino <draco@marino.st>
*
@ -306,7 +306,7 @@ dump_ctype(void)
return;
(void) memcpy(rl.magic, _FILE_RUNE_MAGIC_1, 8);
(void) strncpy(rl.encoding, get_wide_encoding(), sizeof (rl.encoding));
(void) strlcpy(rl.encoding, get_wide_encoding(), sizeof (rl.encoding));
/*
* Initialize the identity map.
@ -379,12 +379,12 @@ dump_ctype(void)
if ((ctn->ctype & _ISALPHA) &&
(ctn->ctype & (_ISPUNCT|_ISDIGIT)))
conflict++;
if ((ctn->ctype & _ISPUNCT) &
if ((ctn->ctype & _ISPUNCT) &&
(ctn->ctype & (_ISDIGIT|_ISALPHA|_ISXDIGIT)))
conflict++;
if ((ctn->ctype & _ISSPACE) && (ctn->ctype & _ISGRAPH))
conflict++;
if ((ctn->ctype & _ISCNTRL) & _ISPRINT)
if ((ctn->ctype & _ISCNTRL) && (ctn->ctype & _ISPRINT))
conflict++;
if ((wc == ' ') && (ctn->ctype & (_ISPUNCT|_ISGRAPH)))
conflict++;
@ -412,8 +412,10 @@ dump_ctype(void)
ct[rl.runetype_ext_nranges-1].max = wc;
} else {
rl.runetype_ext_nranges++;
ct = realloc(ct,
sizeof (*ct) * rl.runetype_ext_nranges);
ct = realloc(ct, rl.runetype_ext_nranges *
sizeof (*ct));
if (ct == NULL)
goto fail;
ct[rl.runetype_ext_nranges - 1].min = wc;
ct[rl.runetype_ext_nranges - 1].max = wc;
ct[rl.runetype_ext_nranges - 1].map = ctn->ctype;
@ -427,8 +429,10 @@ dump_ctype(void)
last_lo = ctn;
} else {
rl.maplower_ext_nranges++;
lo = realloc(lo,
sizeof (*lo) * rl.maplower_ext_nranges);
lo = realloc(lo, rl.maplower_ext_nranges *
sizeof (*lo));
if (lo == NULL)
goto fail;
lo[rl.maplower_ext_nranges - 1].min = wc;
lo[rl.maplower_ext_nranges - 1].max = wc;
lo[rl.maplower_ext_nranges - 1].map = ctn->tolower;
@ -443,8 +447,10 @@ dump_ctype(void)
last_up = ctn;
} else {
rl.mapupper_ext_nranges++;
up = realloc(up,
sizeof (*up) * rl.mapupper_ext_nranges);
up = realloc(up, rl.mapupper_ext_nranges *
sizeof (*up));
if (up == NULL)
goto fail;
up[rl.mapupper_ext_nranges - 1].min = wc;
up[rl.mapupper_ext_nranges - 1].max = wc;
up[rl.mapupper_ext_nranges - 1].map = ctn->toupper;
@ -452,12 +458,17 @@ dump_ctype(void)
}
}
if ((wr_category(&rl, sizeof (rl), f) < 0) ||
(wr_category(ct, sizeof (*ct) * rl.runetype_ext_nranges, f) < 0) ||
(wr_category(lo, sizeof (*lo) * rl.maplower_ext_nranges, f) < 0) ||
(wr_category(up, sizeof (*up) * rl.mapupper_ext_nranges, f) < 0)) {
return;
if ((wr_category(&rl, sizeof (rl), f) == 0) &&
(wr_category(ct, sizeof (*ct) * rl.runetype_ext_nranges, f) == 0) &&
(wr_category(lo, sizeof (*lo) * rl.maplower_ext_nranges, f) == 0) &&
(wr_category(up, sizeof (*up) * rl.mapupper_ext_nranges, f) == 0)) {
close_category(f);
goto out;
}
close_category(f);
}
fail:
delete_category(f);
out:
free(ct);
free(lo);
free(up);}

22
usr.bin/localedef/localedef.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
@ -125,13 +125,22 @@ open_category(void)
return (file);
}
void
delete_category(FILE *f)
{
(void) fclose(f);
(void) unlink(category_file());
}
void
close_category(FILE *f)
{
if (fchmod(fileno(f), 0644) < 0) {
if (fchmod(fileno(f), 0644) < 0 ||
fclose(f) != 0) {
(void) fclose(f);
(void) unlink(category_file());
errf(strerror(errno));
delete_category(f);
}
if (fclose(f) < 0) {
(void) unlink(category_file());
@ -193,15 +202,13 @@ int
putl_category(const char *s, FILE *f)
{
if (s && fputs(s, f) == EOF) {
(void) fclose(f);
(void) unlink(category_file());
errf(strerror(errno));
delete_category(f);
return (EOF);
}
if (fputc('\n', f) == EOF) {
(void) fclose(f);
(void) unlink(category_file());
errf(strerror(errno));
delete_category(f);
return (EOF);
}
return (0);
@ -214,9 +221,8 @@ wr_category(void *buf, size_t sz, FILE *f)
return (0);
}
if (fwrite(buf, sz, 1, f) < 1) {
(void) fclose(f);
(void) unlink(category_file());
errf(strerror(errno));
delete_category(f);
return (EOF);
}
return (0);

3
usr.bin/localedef/localedef.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
@ -60,6 +60,7 @@ void warn(const char *, ...);
int putl_category(const char *, FILE *);
int wr_category(void *, size_t, FILE *);
FILE *open_category(void);
void delete_category(FILE *);
void close_category(FILE *);
void copy_category(char *);
const char *category_name(void);

4
usr.bin/localedef/time.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
@ -78,7 +78,7 @@ add_time_str(wchar_t *wcs)
break;
case T_DATE_FMT:
/*
* This one is a Solaris extension, Too bad date just
* This one is a Solaris extension. Too bad date just
* doesn't use %c, which would be simpler.
*/
tm.date_fmt = str;