From c1dbd3a8709f143fa72b2f893a069ca5f1afe7ac Mon Sep 17 00:00:00 2001 From: Efraim Flashner Date: Mon, 30 May 2016 20:11:39 +0300 Subject: gnu: wordnet: Fix CVE-2008-2149, CVE-2008-3908. * gnu/packages/wordnet.scm (wordnet)[source]: Add patches. * gnu/packages/patches/wordnet-CVE-2008-2149.patch, gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch, gnu/packages/patches/wordnet-CVE-2008-3908-pt2.patch: New variables. * gnu/local.mk (dist_patch_DATA): Add them. --- .../patches/wordnet-CVE-2008-3908-pt1.patch | 710 +++++++++++++++++++++ 1 file changed, 710 insertions(+) create mode 100644 gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch (limited to 'gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch') diff --git a/gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch b/gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch new file mode 100644 index 0000000000..a2e796b535 --- /dev/null +++ b/gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch @@ -0,0 +1,710 @@ +Author: Anton Gladky +LastChanged: Tue, 26 Feb 2013 20:40:25 +0100 +BugDebian: http://bugs.debian.org/700914 +Description: This patch was created by oCert according to + http://www.ocert.org/advisories/ocert-2008-014.html + and can be downloaded from + http://www.ocert.org/analysis/2008-014/wordnet.patch + Unfortunately the original patch had a problem which + caused 'wordnet test -synsn' to fail. The critical + part of the patch was removed from the whole patch + set and is moved to 51_overflows_memcpy.patch which + uses memcpy instead of the formerly used strcpy. + +--- a/lib/binsrch.c ++++ b/lib/binsrch.c +@@ -28,7 +28,7 @@ char *read_index(long offset, FILE *fp) + char *linep; + + linep = line; +- line[0] = '0'; ++ line[0] = '\0'; + + fseek( fp, offset, SEEK_SET ); + fgets(linep, LINE_LEN, fp); +@@ -58,6 +58,8 @@ char *bin_search(char *searchkey, FILE * + last_bin_search_offset = ftell( fp ); + fgets(linep, LINE_LEN, fp); + length = (int)(strchr(linep, ' ') - linep); ++ if (length > (sizeof(key) - 1)) ++ return(NULL); + strncpy(key, linep, length); + key[length] = '\0'; + if(strcmp(key, searchkey) < 0) { +@@ -110,6 +112,8 @@ static int bin_search_key(char *searchke + line[length++] = c; + if (getc(fp) == EOF) { /* only 1 line in file */ + length = (int)(strchr(linep, ' ') - linep); ++ if (length > (sizeof(key) - 1)) ++ return(0); + strncpy(key, linep, length); + key[length] = '\0'; + if(strcmp(key, searchkey) > 0) { +@@ -132,6 +136,8 @@ static int bin_search_key(char *searchke + if (fgets(linep, LINE_LEN, fp) != NULL) { + offset2 = ftell(fp); /* offset at start of next line */ + length = (int)(strchr(linep, ' ') - linep); ++ if (length > (sizeof(key) - 1)) ++ return(0); + strncpy(key, linep, length); + key[length] = '\0'; + if(strcmp(key, searchkey) < 0) { /* further in file */ +--- a/lib/morph.c ++++ b/lib/morph.c +@@ -51,21 +51,21 @@ static struct { + char *str; + int strlen; + } prepositions[NUMPREPS] = { +- "to", 2, +- "at", 2, +- "of", 2, +- "on", 2, +- "off", 3, +- "in", 2, +- "out", 3, +- "up", 2, +- "down", 4, +- "from", 4, +- "with", 4, +- "into", 4, +- "for", 3, +- "about", 5, +- "between", 7, ++ { "to", 2 }, ++ { "at", 2 }, ++ { "of", 2 }, ++ { "on", 2 }, ++ { "off", 3 }, ++ { "in", 2 }, ++ { "out", 3 }, ++ { "up", 2 }, ++ { "down", 4 }, ++ { "from", 4 }, ++ { "with", 4 }, ++ { "into", 4 }, ++ { "for", 3 }, ++ { "about", 5 }, ++ { "between", 7 } + }; + + static FILE *exc_fps[NUMPARTS + 1]; +@@ -144,18 +144,19 @@ static int do_init(void) + } else + sprintf(searchdir, DEFAULTPATH); + #else +- if ((env = getenv("WNSEARCHDIR")) != NULL) +- strcpy(searchdir, env); +- else if ((env = getenv("WNHOME")) != NULL) +- sprintf(searchdir, "%s%s", env, DICTDIR); +- else ++ if ((env = getenv("WNSEARCHDIR")) != NULL) { ++ snprintf(searchdir, sizeof(searchdir), "%s", env); ++ } else if ((env = getenv("WNHOME")) != NULL) { ++ snprintf(searchdir, sizeof(searchdir), "%s%s", env, DICTDIR); ++ } else { + strcpy(searchdir, DEFAULTPATH); ++ } + #endif + + for (i = 1; i <= NUMPARTS; i++) { +- sprintf(fname, EXCFILE, searchdir, partnames[i]); ++ snprintf(fname, sizeof(fname), EXCFILE, searchdir, partnames[i]); + if ((exc_fps[i] = fopen(fname, "r")) == NULL) { +- sprintf(msgbuf, ++ snprintf(msgbuf, sizeof(msgbuf), + "WordNet library error: Can't open exception file(%s)\n\n", + fname); + display_message(msgbuf); +@@ -178,13 +179,16 @@ char *morphstr(char *origstr, int pos) + int prep; + char *end_idx1, *end_idx2; + char *append; +- ++ + if (pos == SATELLITE) + pos = ADJ; + + /* First time through for this string */ + + if (origstr != NULL) { ++ if (strlen(origstr) > WORDBUF - 1) ++ return(NULL); ++ + /* Assume string hasn't had spaces substitued with '_' */ + strtolower(strsubst(strcpy(str, origstr), ' ', '_')); + searchstr[0] = '\0'; +@@ -232,7 +236,7 @@ char *morphstr(char *origstr, int pos) + if (end_idx < 0) return(NULL); /* shouldn't do this */ + strncpy(word, str + st_idx, end_idx - st_idx); + word[end_idx - st_idx] = '\0'; +- if(tmp = morphword(word, pos)) ++ if ((tmp = morphword(word, pos)) != NULL) + strcat(searchstr,tmp); + else + strcat(searchstr,word); +@@ -240,7 +244,7 @@ char *morphstr(char *origstr, int pos) + st_idx = end_idx + 1; + } + +- if(tmp = morphword(strcpy(word, str + st_idx), pos)) ++ if ((tmp = morphword(strcpy(word, str + st_idx), pos)) != NULL) + strcat(searchstr,tmp); + else + strcat(searchstr,word); +@@ -270,16 +274,15 @@ char *morphword(char *word, int pos) + { + int offset, cnt; + int i; +- static char retval[WORDBUF]; +- char *tmp, tmpbuf[WORDBUF], *end; +- +- sprintf(retval,""); +- sprintf(tmpbuf, ""); +- end = ""; +- ++ static char retval[WORDBUF] = ""; ++ char *tmp, tmpbuf[WORDBUF] = "", *end = ""; ++ + if(word == NULL) + return(NULL); + ++ if (strlen(word) > WORDBUF - 1) ++ return(NULL); ++ + /* first look for word on exception list */ + + if((tmp = exc_lookup(word, pos)) != NULL) +@@ -335,7 +338,10 @@ static char *wordbase(char *word, int en + { + char *pt1; + static char copy[WORDBUF]; +- ++ ++ if (strlen(word) > WORDBUF - 1) ++ return(NULL); ++ + strcpy(copy, word); + if(strend(copy,sufx[ender])) { + pt1=strchr(copy,'\0'); +@@ -368,13 +374,14 @@ static char *exc_lookup(char *word, int + { + static char line[WORDBUF], *beglp, *endlp; + char *excline; +- int found = 0; + + if (exc_fps[pos] == NULL) + return(NULL); + + /* first time through load line from exception file */ + if(word != NULL){ ++ if (strlen(word) > WORDBUF - 1) ++ return(NULL); + if ((excline = bin_search(word, exc_fps[pos])) != NULL) { + strcpy(line, excline); + endlp = strchr(line,' '); +@@ -403,6 +410,9 @@ static char *morphprep(char *s) + char word[WORDBUF], end[WORDBUF]; + static char retval[WORDBUF]; + ++ if (strlen(s) > WORDBUF - 1) ++ return (NULL); ++ + /* Assume that the verb is the first word in the phrase. Strip it + off, check for validity, then try various morphs with the + rest of the phrase tacked on, trying to find a match. */ +@@ -410,7 +420,7 @@ static char *morphprep(char *s) + rest = strchr(s, '_'); + last = strrchr(s, '_'); + if (rest != last) { /* more than 2 words */ +- if (lastwd = morphword(last + 1, NOUN)) { ++ if ((lastwd = morphword(last + 1, NOUN)) != NULL) { + strncpy(end, rest, last - rest + 1); + end[last-rest+1] = '\0'; + strcat(end, lastwd); +--- a/lib/search.c ++++ b/lib/search.c +@@ -13,6 +13,7 @@ + #include + #include + #include ++#include + + #include "wn.h" + +@@ -119,33 +120,22 @@ IndexPtr parse_index(long offset, int db + if ( !line ) + line = read_index( offset, indexfps[dbase] ); + +- idx = (IndexPtr)malloc(sizeof(Index)); ++ idx = (IndexPtr)calloc(1, sizeof(Index)); + assert(idx); + + /* set offset of entry in index file */ + idx->idxoffset = offset; + +- idx->wd='\0'; +- idx->pos='\0'; +- idx->off_cnt=0; +- idx->tagged_cnt = 0; +- idx->sense_cnt=0; +- idx->offset='\0'; +- idx->ptruse_cnt=0; +- idx->ptruse='\0'; +- + /* get the word */ + ptrtok=strtok(line," \n"); + +- idx->wd = malloc(strlen(ptrtok) + 1); ++ idx->wd = strdup(ptrtok); + assert(idx->wd); +- strcpy(idx->wd, ptrtok); + + /* get the part of speech */ + ptrtok=strtok(NULL," \n"); +- idx->pos = malloc(strlen(ptrtok) + 1); ++ idx->pos = strdup(ptrtok); + assert(idx->pos); +- strcpy(idx->pos, ptrtok); + + /* get the collins count */ + ptrtok=strtok(NULL," \n"); +@@ -154,7 +144,12 @@ IndexPtr parse_index(long offset, int db + /* get the number of pointers types */ + ptrtok=strtok(NULL," \n"); + idx->ptruse_cnt = atoi(ptrtok); +- ++ ++ if (idx->ptruse_cnt < 0 || (unsigned int)idx->ptruse_cnt > UINT_MAX/sizeof(int)) { ++ free_index(idx); ++ return(NULL); ++ } ++ + if (idx->ptruse_cnt) { + idx->ptruse = (int *) malloc(idx->ptruse_cnt * (sizeof(int))); + assert(idx->ptruse); +@@ -173,9 +168,14 @@ IndexPtr parse_index(long offset, int db + /* get the number of senses that are tagged */ + ptrtok=strtok(NULL," \n"); + idx->tagged_cnt = atoi(ptrtok); +- ++ ++ if (idx->off_cnt < 0 || (unsigned long)idx->off_cnt > ULONG_MAX/sizeof(long)) { ++ free_index(idx); ++ return(NULL); ++ } ++ + /* make space for the offsets */ +- idx->offset = (long *) malloc(idx->off_cnt * (sizeof(long))); ++ idx->offset = (unsigned long *) malloc(idx->off_cnt * sizeof(long)); + assert(idx->offset); + + /* get the offsets */ +@@ -197,15 +197,21 @@ IndexPtr getindex(char *searchstr, int d + char strings[MAX_FORMS][WORDBUF]; /* vector of search strings */ + static IndexPtr offsets[MAX_FORMS]; + static int offset; +- ++ + /* This works like strrok(): if passed with a non-null string, + prepare vector of search strings and offsets. If string + is null, look at current list of offsets and return next + one, or NULL if no more alternatives for this word. */ + + if (searchstr != NULL) { ++ /* Bail out if the input is too long for us to handle */ ++ if (strlen(searchstr) > (WORDBUF - 1)) { ++ strcpy(msgbuf, "WordNet library error: search term is too long\n"); ++ display_message(msgbuf); ++ return(NULL); ++ } + +- offset = 0; ++ offset = 0; + strtolower(searchstr); + for (i = 0; i < MAX_FORMS; i++) { + strcpy(strings[i], searchstr); +@@ -229,11 +235,11 @@ IndexPtr getindex(char *searchstr, int d + /* Get offset of first entry. Then eliminate duplicates + and get offsets of unique strings. */ + +- if (strings[0][0] != NULL) ++ if (strings[0] != NULL) + offsets[0] = index_lookup(strings[0], dbase); + + for (i = 1; i < MAX_FORMS; i++) +- if ((strings[i][0]) != NULL && (strcmp(strings[0], strings[i]))) ++ if (strings[i] != NULL && (strcmp(strings[0], strings[i]))) + offsets[i] = index_lookup(strings[i], dbase); + } + +@@ -272,7 +278,7 @@ SynsetPtr read_synset(int dbase, long bo + SynsetPtr parse_synset(FILE *fp, int dbase, char *word) + { + static char line[LINEBUF]; +- char tbuf[SMLINEBUF]; ++ char tbuf[SMLINEBUF] = ""; + char *ptrtok; + char *tmpptr; + int foundpert = 0; +@@ -286,33 +292,11 @@ SynsetPtr parse_synset(FILE *fp, int dba + if ((tmpptr = fgets(line, LINEBUF, fp)) == NULL) + return(NULL); + +- synptr = (SynsetPtr)malloc(sizeof(Synset)); ++ synptr = (SynsetPtr)calloc(1, sizeof(Synset)); + assert(synptr); +- +- synptr->hereiam = 0; ++ + synptr->sstype = DONT_KNOW; +- synptr->fnum = 0; +- synptr->pos = '\0'; +- synptr->wcount = 0; +- synptr->words = '\0'; +- synptr->whichword = 0; +- synptr->ptrcount = 0; +- synptr->ptrtyp = '\0'; +- synptr->ptroff = '\0'; +- synptr->ppos = '\0'; +- synptr->pto = '\0'; +- synptr->pfrm = '\0'; +- synptr->fcount = 0; +- synptr->frmid = '\0'; +- synptr->frmto = '\0'; +- synptr->defn = '\0'; +- synptr->key = 0; +- synptr->nextss = NULL; +- synptr->nextform = NULL; + synptr->searchtype = -1; +- synptr->ptrlist = NULL; +- synptr->headword = NULL; +- synptr->headsense = 0; + + ptrtok = line; + +@@ -322,7 +306,7 @@ SynsetPtr parse_synset(FILE *fp, int dba + + /* sanity check - make sure starting file offset matches first field */ + if (synptr->hereiam != loc) { +- sprintf(msgbuf, "WordNet library error: no synset at location %d\n", ++ sprintf(msgbuf, "WordNet library error: no synset at location %ld\n", + loc); + display_message(msgbuf); + free(synptr); +@@ -335,16 +319,20 @@ SynsetPtr parse_synset(FILE *fp, int dba + + /* looking at POS */ + ptrtok = strtok(NULL, " \n"); +- synptr->pos = malloc(strlen(ptrtok) + 1); ++ synptr->pos = strdup(ptrtok); + assert(synptr->pos); +- strcpy(synptr->pos, ptrtok); + if (getsstype(synptr->pos) == SATELLITE) + synptr->sstype = INDIRECT_ANT; + + /* looking at numwords */ + ptrtok = strtok(NULL, " \n"); + synptr->wcount = strtol(ptrtok, NULL, 16); +- ++ ++ if (synptr->wcount < 0 || (unsigned int)synptr->wcount > UINT_MAX/sizeof(char *)) { ++ free_syns(synptr); ++ return(NULL); ++ } ++ + synptr->words = (char **)malloc(synptr->wcount * sizeof(char *)); + assert(synptr->words); + synptr->wnsns = (int *)malloc(synptr->wcount * sizeof(int)); +@@ -354,9 +342,8 @@ SynsetPtr parse_synset(FILE *fp, int dba + + for (i = 0; i < synptr->wcount; i++) { + ptrtok = strtok(NULL, " \n"); +- synptr->words[i] = malloc(strlen(ptrtok) + 1); ++ synptr->words[i] = strdup(ptrtok); + assert(synptr->words[i]); +- strcpy(synptr->words[i], ptrtok); + + /* is this the word we're looking for? */ + +@@ -371,6 +358,12 @@ SynsetPtr parse_synset(FILE *fp, int dba + ptrtok = strtok(NULL," \n"); + synptr->ptrcount = atoi(ptrtok); + ++ /* Should we check for long here as well? */ ++ if (synptr->ptrcount < 0 || (unsigned int)synptr->ptrcount > UINT_MAX/sizeof(int)) { ++ free_syns(synptr); ++ return(NULL); ++ } ++ + if (synptr->ptrcount) { + + /* alloc storage for the pointers */ +@@ -455,21 +448,23 @@ SynsetPtr parse_synset(FILE *fp, int dba + ptrtok = strtok(NULL," \n"); + if (ptrtok) { + ptrtok = strtok(NULL," \n"); +- sprintf(tbuf, ""); + while (ptrtok != NULL) { ++ if (strlen(ptrtok) + strlen(tbuf) + 1 + 1 > sizeof(tbuf)) { ++ free_syns(synptr); ++ return(NULL); ++ } + strcat(tbuf,ptrtok); + ptrtok = strtok(NULL, " \n"); + if(ptrtok) + strcat(tbuf," "); + } +- assert((1 + strlen(tbuf)) < sizeof(tbuf)); +- synptr->defn = malloc(strlen(tbuf) + 4); ++ synptr->defn = malloc(strlen(tbuf) + 3); + assert(synptr->defn); + sprintf(synptr->defn,"(%s)",tbuf); + } + + if (keyindexfp) { /* we have unique keys */ +- sprintf(tmpbuf, "%c:%8.8d", partchars[dbase], synptr->hereiam); ++ sprintf(tmpbuf, "%c:%8.8ld", partchars[dbase], synptr->hereiam); + synptr->key = GetKeyForOffset(tmpbuf); + } + +@@ -635,7 +630,7 @@ static void traceptrs(SynsetPtr synptr, + + if ((ptrtyp == PERTPTR || ptrtyp == PPLPTR) && + synptr->pto[i] != 0) { +- sprintf(tbuf, " (Sense %d)\n", ++ snprintf(tbuf, sizeof(tbuf), " (Sense %d)\n", + cursyn->wnsns[synptr->pto[i] - 1]); + printsynset(prefix, cursyn, tbuf, DEFOFF, synptr->pto[i], + SKIP_ANTS, PRINT_MARKER); +@@ -656,7 +651,7 @@ static void traceptrs(SynsetPtr synptr, + traceptrs(cursyn, HYPERPTR, getpos(cursyn->pos), 0); + } + } else if (ptrtyp == ANTPTR && dbase != ADJ && synptr->pto[i] != 0) { +- sprintf(tbuf, " (Sense %d)\n", ++ snprintf(tbuf, sizeof(tbuf), " (Sense %d)\n", + cursyn->wnsns[synptr->pto[i] - 1]); + printsynset(prefix, cursyn, tbuf, DEFOFF, synptr->pto[i], + SKIP_ANTS, PRINT_MARKER); +@@ -817,7 +812,7 @@ static void tracenomins(SynsetPtr synptr + + cursyn = read_synset(synptr->ppos[i], synptr->ptroff[i], ""); + +- sprintf(tbuf, "#%d\n", ++ snprintf(tbuf, sizeof(tbuf), "#%d\n", + cursyn->wnsns[synptr->pto[i] - 1]); + printsynset(prefix, cursyn, tbuf, DEFOFF, synptr->pto[i], + SKIP_ANTS, SKIP_MARKER); +@@ -989,12 +984,12 @@ void getexample(char *offset, char *wd) + char sentbuf[512]; + + if (vsentfilefp != NULL) { +- if (line = bin_search(offset, vsentfilefp)) { ++ if ((line = bin_search(offset, vsentfilefp)) != NULL) { + while(*line != ' ') + line++; + + printbuffer(" EX: "); +- sprintf(sentbuf, line, wd); ++ snprintf(sentbuf, sizeof(sentbuf), line, wd); + printbuffer(sentbuf); + } + } +@@ -1011,7 +1006,7 @@ int findexample(SynsetPtr synptr) + if (vidxfilefp != NULL) { + wdnum = synptr->whichword - 1; + +- sprintf(tbuf,"%s%%%-1.1d:%-2.2d:%-2.2d::", ++ snprintf(tbuf, sizeof(tbuf), "%s%%%-1.1d:%-2.2d:%-2.2d::", + synptr->words[wdnum], + getpos(synptr->pos), + synptr->fnum, +@@ -1124,7 +1119,7 @@ static void freq_word(IndexPtr index) + if (cnt >= 17 && cnt <= 32) familiar = 6; + if (cnt > 32 ) familiar = 7; + +- sprintf(tmpbuf, ++ snprintf(tmpbuf, sizeof(tmpbuf), + "\n%s used as %s is %s (polysemy count = %d)\n", + index->wd, a_an[getpos(index->pos)], freqcats[familiar], cnt); + printbuffer(tmpbuf); +@@ -1147,6 +1142,9 @@ void wngrep (char *word_passed, int pos) + } + rewind(inputfile); + ++ if (strlen(word_passed) + 1 > sizeof(word)) ++ return; ++ + strcpy (word, word_passed); + ToLowerCase(word); /* map to lower case for index file search */ + strsubst (word, ' ', '_'); /* replace spaces with underscores */ +@@ -1169,7 +1167,7 @@ void wngrep (char *word_passed, int pos) + ((line[loc + wordlen] == '-') || (line[loc + wordlen] == '_'))) + ) { + strsubst (line, '_', ' '); +- sprintf (tmpbuf, "%s\n", line); ++ snprintf (tmpbuf, sizeof(tmpbuf), "%s\n", line); + printbuffer (tmpbuf); + break; + } +@@ -1683,9 +1681,8 @@ SynsetPtr traceptrs_ds(SynsetPtr synptr, + cursyn = read_synset(synptr->ppos[i], + synptr->ptroff[i], + ""); +- synptr->headword = malloc(strlen(cursyn->words[0]) + 1); ++ synptr->headword = strdup(cursyn->words[0]); + assert(synptr->headword); +- strcpy(synptr->headword, cursyn->words[0]); + synptr->headsense = cursyn->lexid[0]; + free_synset(cursyn); + break; +@@ -2013,7 +2010,7 @@ static int getsearchsense(SynsetPtr synp + strsubst(strcpy(wdbuf, synptr->words[whichword - 1]), ' ', '_'); + strtolower(wdbuf); + +- if (idx = index_lookup(wdbuf, getpos(synptr->pos))) { ++ if ((idx = index_lookup(wdbuf, getpos(synptr->pos))) != NULL) { + for (i = 0; i < idx->off_cnt; i++) + if (idx->offset[i] == synptr->hereiam) { + free_index(idx); +@@ -2037,7 +2034,7 @@ static void printsynset(char *head, Syns + by flags */ + + if (offsetflag) /* print synset offset */ +- sprintf(tbuf + strlen(tbuf),"{%8.8d} ", synptr->hereiam); ++ sprintf(tbuf + strlen(tbuf),"{%8.8ld} ", synptr->hereiam); + if (fileinfoflag) { /* print lexicographer file information */ + sprintf(tbuf + strlen(tbuf), "<%s> ", lexfiles[synptr->fnum]); + prlexid = 1; /* print lexicographer id after word */ +@@ -2072,7 +2069,7 @@ static void printantsynset(SynsetPtr syn + tbuf[0] = '\0'; + + if (offsetflag) +- sprintf(tbuf,"{%8.8d} ", synptr->hereiam); ++ sprintf(tbuf,"{%8.8ld} ", synptr->hereiam); + if (fileinfoflag) { + sprintf(tbuf + strlen(tbuf),"<%s> ", lexfiles[synptr->fnum]); + prlexid = 1; +--- a/lib/wnutil.c ++++ b/lib/wnutil.c +@@ -48,7 +48,7 @@ int wninit(void) + char *env; + + if (!done) { +- if (env = getenv("WNDBVERSION")) { ++ if ((env = getenv("WNDBVERSION")) != NULL) { + wnrelease = strdup(env); /* set release */ + assert(wnrelease); + } +@@ -70,7 +70,7 @@ int re_wninit(void) + + closefps(); + +- if (env = getenv("WNDBVERSION")) { ++ if ((env = getenv("WNDBVERSION")) != NULL) { + wnrelease = strdup(env); /* set release */ + assert(wnrelease); + } +@@ -149,25 +149,25 @@ static int do_init(void) + sprintf(searchdir, DEFAULTPATH); + #else + if ((env = getenv("WNSEARCHDIR")) != NULL) +- strcpy(searchdir, env); ++ snprintf(searchdir, sizeof(searchdir), "%s", env); + else if ((env = getenv("WNHOME")) != NULL) +- sprintf(searchdir, "%s%s", env, DICTDIR); ++ snprintf(searchdir, sizeof(searchdir), "%s%s", env, DICTDIR); + else + strcpy(searchdir, DEFAULTPATH); + #endif + + for (i = 1; i < NUMPARTS + 1; i++) { +- sprintf(tmpbuf, DATAFILE, searchdir, partnames[i]); ++ snprintf(tmpbuf, sizeof(tmpbuf), DATAFILE, searchdir, partnames[i]); + if((datafps[i] = fopen(tmpbuf, "r")) == NULL) { +- sprintf(msgbuf, ++ snprintf(msgbuf, sizeof(msgbuf), + "WordNet library error: Can't open datafile(%s)\n", + tmpbuf); + display_message(msgbuf); + openerr = -1; + } +- sprintf(tmpbuf, INDEXFILE, searchdir, partnames[i]); ++ snprintf(tmpbuf, sizeof(tmpbuf), INDEXFILE, searchdir, partnames[i]); + if((indexfps[i] = fopen(tmpbuf, "r")) == NULL) { +- sprintf(msgbuf, ++ snprintf(msgbuf, sizeof(msgbuf), + "WordNet library error: Can't open indexfile(%s)\n", + tmpbuf); + display_message(msgbuf); +@@ -178,35 +178,35 @@ static int do_init(void) + /* This file isn't used by the library and doesn't have to + be present. No error is reported if the open fails. */ + +- sprintf(tmpbuf, SENSEIDXFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), SENSEIDXFILE, searchdir); + sensefp = fopen(tmpbuf, "r"); + + /* If this file isn't present, the runtime code will skip printint out + the number of times each sense was tagged. */ + +- sprintf(tmpbuf, CNTLISTFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), CNTLISTFILE, searchdir); + cntlistfp = fopen(tmpbuf, "r"); + + /* This file doesn't have to be present. No error is reported if the + open fails. */ + +- sprintf(tmpbuf, KEYIDXFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), KEYIDXFILE, searchdir); + keyindexfp = fopen(tmpbuf, "r"); + +- sprintf(tmpbuf, REVKEYIDXFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), REVKEYIDXFILE, searchdir); + revkeyindexfp = fopen(tmpbuf, "r"); + +- sprintf(tmpbuf, VRBSENTFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), VRBSENTFILE, searchdir); + if ((vsentfilefp = fopen(tmpbuf, "r")) == NULL) { +- sprintf(msgbuf, ++ snprintf(msgbuf, sizeof(msgbuf), + "WordNet library warning: Can't open verb example sentence file(%s)\n", + tmpbuf); + display_message(msgbuf); + } + +- sprintf(tmpbuf, VRBIDXFILE, searchdir); ++ snprintf(tmpbuf, sizeof(tmpbuf), VRBIDXFILE, searchdir); + if ((vidxfilefp = fopen(tmpbuf, "r")) == NULL) { +- sprintf(msgbuf, ++ snprintf(msgbuf, sizeof(msgbuf), + "WordNet library warning: Can't open verb example sentence index file(%s)\n", + tmpbuf); + display_message(msgbuf); +--- a/src/wn.c ++++ b/src/wn.c +@@ -131,7 +131,7 @@ static void printusage(), printlicense() + printsearches(char *, int, unsigned long); + static int error_message(char *); + +-main(int argc,char *argv[]) ++int main(int argc,char *argv[]) + { + display_message = error_message; + +@@ -228,14 +228,14 @@ static int do_search(char *searchword, i + printf("\n%s of %s %s\n%s", + label, partnames[pos], searchword, outbuf); + +- if (morphword = morphstr(searchword, pos)) ++ if ((morphword = morphstr(searchword, pos)) != NULL) + do { + outbuf = findtheinfo(morphword, pos, search, whichsense); + totsenses += wnresults.printcnt; + if (strlen(outbuf) > 0) + printf("\n%s of %s %s\n%s", + label, partnames[pos], morphword, outbuf); +- } while (morphword = morphstr(NULL, pos)); ++ } while ((morphword = morphstr(NULL, pos)) != NULL); + + return(totsenses); + } -- cgit v1.2.3