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xlibi18n: convert sprintf calls to snprintf

Browse source 
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Matthieu Herrb <matthieu.herrb@laas.fr>
This commit is contained in:
Alan Coopersmith 2013-08-09 23:02:12 -07:00
parent 36a7edf0e5
commit 4fadae243f
5 changed files with 51 additions and 57 deletions
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7
src/xlibi18n/XlcDL.c
View file

@ -189,12 +189,7 @@ resolve_object(char *path, const char *lc_name)
Xmalloc(sizeof(XI18NObjectsListRec) * lc_len);
if (!xi18n_objects_list) return;
}
/*
1266793
Limit the length of path to prevent stack buffer corruption.
sprintf(filename, "%s/%s", path, "XI18N_OBJS");
*/
sprintf(filename, "%.*s/%s", BUFSIZ - 12, path, "XI18N_OBJS");
snprintf(filename, sizeof(filename), "%s/%s", path, "XI18N_OBJS");
fp = fopen(filename, "r");
if (fp == (FILE *)NULL){
return;

4
src/xlibi18n/lcDynamic.c
View file

@ -65,8 +65,8 @@ _XlcDynamicLoader(
XLCd lcd;
void *nlshandler;
sprintf(libpath,"%s/%s/%s",
XLOCALEDIR,name,LCLIBNAME);
snprintf(libpath, sizeof(libpath), "%s/%s/%s",
XLOCALEDIR, name, LCLIBNAME);
nlshandler = dlopen(libpath,LAZY);
_XlcGenericMethods = (XLCdMethods)dlsym(nlshandler,"genericMethods");
lcd = _XlcCreateLC(name,_XlcGenericMethods);

31
src/xlibi18n/lcFile.c
View file

@ -490,8 +490,7 @@ _XlcFileName(
continue;
name = NULL;
if ((5 + strlen(args[i]) + strlen(cat)) < PATH_MAX) {
sprintf(buf, "%s/%s.dir", args[i], cat);
if (snprintf(buf, PATH_MAX, "%s/%s.dir", args[i], cat) < PATH_MAX) {
name = resolve_name(siname, buf, RtoL);
}
if (name == NULL) {
@ -501,13 +500,13 @@ _XlcFileName(
/* supposed to be absolute path name */
file_name = name;
} else {
file_name = Xmalloc(2 + strlen(args[i]) +
(name ? strlen (name) : 0));
if (file_name != NULL)
sprintf(file_name, "%s/%s", args[i], name);
if (snprintf(buf, PATH_MAX, "%s/%s", args[i], name) < PATH_MAX)
file_name = strdup(buf);
else
file_name = NULL;
Xfree(name);
}
if (isreadable(file_name)) {
if (file_name && isreadable(file_name)) {
break;
}
Xfree(file_name);
@ -541,8 +540,8 @@ _XlcResolveLocaleName(
if (args[i] == NULL)
continue;
if ((2 + strlen (args[i]) + strlen (locale_alias)) < PATH_MAX) {
sprintf (buf, "%s/%s", args[i], locale_alias);
if (snprintf (buf, PATH_MAX, "%s/%s", args[i], locale_alias)
< PATH_MAX) {
name = resolve_name (lc_name, buf, LtoR);
if (!name) {
if (!nlc_name)
@ -641,8 +640,8 @@ _XlcLocaleDirName(char *dir_name, size_t dir_len, char *lc_name)
if (args[i] == NULL)
continue;
if ((2 + strlen(args[i]) + strlen(locale_alias)) < PATH_MAX) {
sprintf (buf, "%s/%s", args[i], locale_alias);
if (snprintf (buf, PATH_MAX, "%s/%s", args[i], locale_alias)
< PATH_MAX) {
name = resolve_name(lc_name, buf, LtoR);
if (!name) {
if (!nlc_name)
@ -659,8 +658,7 @@ _XlcLocaleDirName(char *dir_name, size_t dir_len, char *lc_name)
/* look at locale.dir */
target_dir = args[i];
if ((1 + strlen (target_dir) + strlen("locale.dir")) < PATH_MAX) {
sprintf(buf, "%s/locale.dir", target_dir);
if (snprintf(buf, PATH_MAX, "%s/locale.dir", target_dir) < PATH_MAX) {
target_name = resolve_name(name, buf, RtoL);
}
if (name != lc_name)
@ -734,8 +732,8 @@ _XlcLocaleLibDirName(char *dir_name, size_t dir_len, char *lc_name)
if (args[i] == NULL)
continue;
if ((2 + strlen(args[i]) + strlen(locale_alias)) < PATH_MAX) {
sprintf (buf, "%s/%s", args[i], locale_alias);
if (snprintf (buf, PATH_MAX, "%s/%s", args[i], locale_alias)
< PATH_MAX) {
name = resolve_name(lc_name, buf, LtoR);
if (!name) {
if (!nlc_name)
@ -752,8 +750,7 @@ _XlcLocaleLibDirName(char *dir_name, size_t dir_len, char *lc_name)
/* look at locale.dir */
target_dir = args[i];
if ((1 + strlen (target_dir) + strlen("locale.dir")) < PATH_MAX) {
sprintf(buf, "%s/locale.dir", target_dir);
if (snprintf(buf, PATH_MAX, "%s/locale.dir", target_dir) < PATH_MAX) {
target_name = resolve_name(name, buf, RtoL);
}
if (name != lc_name)

58
src/xlibi18n/lcGeneric.c
View file

@ -428,17 +428,17 @@ read_charset_define(
for (i=0; ; i++) { /* loop start */
charsetd = 0;
sprintf(csd, "csd%d", i);
snprintf(csd, sizeof(csd), "csd%d", i);
/* charset_name */
sprintf(name, "%s.%s", csd, "charset_name");
snprintf(name, sizeof(name), "%s.%s", csd, "charset_name");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
_XlcDbg_printValue(name,value,num);
if (num > 0) {
/* hackers will get truncated -- C'est la vie */
strncpy(cset_name,value[0], sizeof cset_name - 1);
cset_name[(sizeof cset_name) - 1] = '\0';
sprintf(name, "%s.%s", csd , "side");
snprintf(name, sizeof(name), "%s.%s", csd , "side");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -470,21 +470,21 @@ read_charset_define(
/* side */
charsetd->side = side ;
/* length */
sprintf(name, "%s.%s", csd, "length");
snprintf(name, sizeof(name), "%s.%s", csd, "length");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
charsetd->char_size = atoi(value[0]);
}
/* gc_number */
sprintf(name, "%s.%s", csd, "gc_number");
snprintf(name, sizeof(name), "%s.%s", csd, "gc_number");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
charsetd->set_size = atoi(value[0]);
}
/* string_encoding */
sprintf(name, "%s.%s", csd, "string_encoding");
snprintf(name, sizeof(name), "%s.%s", csd, "string_encoding");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -495,7 +495,7 @@ read_charset_define(
}
}
/* sequence */
sprintf(name, "%s.%s", csd, "sequence");
snprintf(name, sizeof(name), "%s.%s", csd, "sequence");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -511,7 +511,7 @@ read_charset_define(
string_to_encoding(value[0],tmp);
}
/* encoding_name */
sprintf(name, "%s.%s", csd, "encoding_name");
snprintf(name, sizeof(name), "%s.%s", csd, "encoding_name");
_XlcGetResource(lcd, "XLC_CHARSET_DEFINE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -565,10 +565,10 @@ read_segmentconversion(
SegConv conversion;
for (i=0 ; ; i++) { /* loop start */
conversion = 0;
sprintf(conv, "conv%d", i);
snprintf(conv, sizeof(conv), "conv%d", i);
/* length */
sprintf(name, "%s.%s", conv, "length");
snprintf(name, sizeof(name), "%s.%s", conv, "length");
_XlcGetResource(lcd, "XLC_SEGMENTCONVERSION", name, &value, &num);
if (num > 0) {
if (conversion == NULL &&
@ -585,7 +585,7 @@ read_segmentconversion(
conversion->length = atoi(value[0]);
/* source_encoding */
sprintf(name, "%s.%s", conv, "source_encoding");
snprintf(name, sizeof(name), "%s.%s", conv, "source_encoding");
_XlcGetResource(lcd, "XLC_SEGMENTCONVERSION", name, &value, &num);
if (num > 0) {
char *tmp;
@ -597,7 +597,7 @@ read_segmentconversion(
conversion->source = srch_charset_define(tmp,&new);
}
/* destination_encoding */
sprintf(name, "%s.%s", conv, "destination_encoding");
snprintf(name, sizeof(name), "%s.%s", conv, "destination_encoding");
_XlcGetResource(lcd, "XLC_SEGMENTCONVERSION", name, &value, &num);
if (num > 0) {
char *tmp;
@ -609,7 +609,7 @@ read_segmentconversion(
conversion->dest = srch_charset_define(tmp,&new);
}
/* range */
sprintf(name, "%s.%s", conv, "range");
snprintf(name, sizeof(name), "%s.%s", conv, "range");
_XlcGetResource(lcd, "XLC_SEGMENTCONVERSION", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -617,7 +617,7 @@ read_segmentconversion(
&(conversion->range.start), &(conversion->range.end));
}
/* conversion */
sprintf(name, "%s.%s", conv, "conversion");
snprintf(name, sizeof(name), "%s.%s", conv, "conversion");
_XlcGetResource(lcd, "XLC_SEGMENTCONVERSION", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -635,6 +635,7 @@ create_ctextseg(
ExtdSegment ret;
char* ptr;
char* cset_name = NULL;
size_t cset_len;
int i,new;
FontScope scope;
ret = (ExtdSegment)Xmalloc(sizeof(ExtdSegmentRec));
@ -645,7 +646,8 @@ create_ctextseg(
Xfree (ret);
return NULL;
}
cset_name = (char*) Xmalloc (strlen(ret->name) + 1);
cset_len = strlen(ret->name) + 1;
cset_name = Xmalloc (cset_len);
if (cset_name == NULL) {
Xfree (ret->name);
Xfree (ret);
@ -657,10 +659,10 @@ create_ctextseg(
ptr++;
if (!_XlcNCompareISOLatin1(ptr, "GL", 2)) {
ret->side = XlcGL;
sprintf(cset_name,"%s:%s",ret->name,"GL");
snprintf(cset_name, cset_len, "%s:%s", ret->name, "GL");
} else {
ret->side = XlcGR;
sprintf(cset_name,"%s:%s",ret->name,"GR");
snprintf(cset_name, cset_len, "%s:%s", ret->name, "GR");
}
} else {
ret->side = XlcGLGR;
@ -731,10 +733,10 @@ load_generic(
char cs[16];
char name[BUFSIZ];
sprintf(cs, "cs%d", i);
snprintf(cs, sizeof(cs), "cs%d", i);
/***** codeset.side *****/
sprintf(name, "%s.%s", cs , "side");
snprintf(name, sizeof(name), "%s.%s", cs , "side");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
char *tmp;
@ -761,7 +763,7 @@ load_generic(
}
/***** codeset.length *****/
sprintf(name, "%s.%s", cs , "length");
snprintf(name, sizeof(name), "%s.%s", cs , "length");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
if (codeset == NULL && (codeset = add_codeset(gen)) == NULL)
@ -772,7 +774,7 @@ load_generic(
}
/***** codeset.mb_encoding *****/
sprintf(name, "%s.%s", cs, "mb_encoding");
snprintf(name, sizeof(name), "%s.%s", cs, "mb_encoding");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
static struct {
@ -808,7 +810,7 @@ load_generic(
}
/***** codeset.wc_encoding *****/
sprintf(name, "%s.%s", cs, "wc_encoding");
snprintf(name, sizeof(name), "%s.%s", cs, "wc_encoding");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
if (codeset == NULL && (codeset = add_codeset(gen)) == NULL)
@ -819,7 +821,7 @@ load_generic(
}
/***** codeset.ct_encoding *****/
sprintf(name, "%s.%s", cs, "ct_encoding");
snprintf(name, sizeof(name), "%s.%s", cs, "ct_encoding");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
char *encoding;
@ -861,7 +863,7 @@ load_generic(
unsigned long start,end;
ByteInfo tmpb;
sprintf(name,"%s.%s%d",cs,"byte",M);
snprintf(name, sizeof(name),"%s.%s%d",cs,"byte",M);
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (M == 1) {
@ -896,7 +898,7 @@ load_generic(
/***** codeset.mb_conversion *****/
sprintf(name, "%s.%s", cs, "mb_conversion");
snprintf(name, sizeof(name), "%s.%s", cs, "mb_conversion");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -908,7 +910,7 @@ load_generic(
/* [\x%x,\x%x]->\x%x,... */
}
/***** codeset.ct_conversion *****/
sprintf(name, "%s.%s", cs, "ct_conversion");
snprintf(name, sizeof(name), "%s.%s", cs, "ct_conversion");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
@ -920,14 +922,14 @@ load_generic(
/* [\x%x,\x%x]->\x%x,... */
}
/***** codeset.ct_conversion_file *****/
sprintf(name, "%s.%s", cs, "ct_conversion_file");
snprintf(name, sizeof(name), "%s.%s", cs, "ct_conversion_file");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);
/* [\x%x,\x%x]->\x%x,... */
}
/***** codeset.ct_extended_segment *****/
sprintf(name, "%s.%s", cs, "ct_extended_segment");
snprintf(name, sizeof(name), "%s.%s", cs, "ct_extended_segment");
_XlcGetResource(lcd, "XLC_XLOCALE", name, &value, &num);
if (num > 0) {
_XlcDbg_printValue(name,value,num);

8
src/xlibi18n/lcUTF8.c
View file

@ -1731,10 +1731,10 @@ create_tofontcs_conv(
lazy_init_all_charsets();
for (i = 0, num = 0;; i++) {
sprintf(buf, "fs%d.charset.name", i);
snprintf(buf, sizeof(buf), "fs%d.charset.name", i);
_XlcGetResource(lcd, "XLC_FONTSET", buf, &value, &count);
if (count < 1) {
sprintf(buf, "fs%d.charset", i);
snprintf(buf, sizeof(buf), "fs%d.charset", i);
_XlcGetResource(lcd, "XLC_FONTSET", buf, &value, &count);
if (count < 1)
break;
@ -1749,10 +1749,10 @@ create_tofontcs_conv(
/* Loop through all fontsets mentioned in the locale. */
for (i = 0, num = 0;; i++) {
sprintf(buf, "fs%d.charset.name", i);
snprintf(buf, sizeof(buf), "fs%d.charset.name", i);
_XlcGetResource(lcd, "XLC_FONTSET", buf, &value, &count);
if (count < 1) {
sprintf(buf, "fs%d.charset", i);
snprintf(buf, sizeof(buf), "fs%d.charset", i);
_XlcGetResource(lcd, "XLC_FONTSET", buf, &value, &count);
if (count < 1)
break;