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Diffstat (limited to 'lib/libc/gen/getnetgrent.c')
-rw-r--r--lib/libc/gen/getnetgrent.c71
1 files changed, 41 insertions, 30 deletions
diff --git a/lib/libc/gen/getnetgrent.c b/lib/libc/gen/getnetgrent.c
index cc59ae228b6..51493ed422c 100644
--- a/lib/libc/gen/getnetgrent.c
+++ b/lib/libc/gen/getnetgrent.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: getnetgrent.c,v 1.17 2005/08/08 08:05:34 espie Exp $ */
+/* $OpenBSD: getnetgrent.c,v 1.18 2007/03/05 20:29:14 millert Exp $ */
/*
* Copyright (c) 1994 Christos Zoulas
@@ -50,7 +50,6 @@
#define _NG_ISSPACE(p) (isspace((unsigned char) (p)) || (p) == '\n')
static const char _ngstar[] = "*";
-static const char _ngoomem[] = "netgroup: %m";
static struct netgroup *_nghead = (struct netgroup *)NULL;
static struct netgroup *_nglist = (struct netgroup *)NULL;
static DB *_ng_db;
@@ -85,13 +84,13 @@ _ng_sl_init(void)
{
struct stringlist *sl = malloc(sizeof(struct stringlist));
if (sl == NULL)
- _err(1, _ngoomem);
+ return NULL;
sl->sl_cur = 0;
sl->sl_max = 20;
sl->sl_str = malloc(sl->sl_max * sizeof(char *));
if (sl->sl_str == NULL)
- _err(1, _ngoomem);
+ return NULL;
return sl;
}
@@ -99,7 +98,7 @@ _ng_sl_init(void)
/*
* _ng_sl_add(): Add an item to the string list
*/
-void
+int
_ng_sl_add(struct stringlist *sl, char *name)
{
if (sl->sl_cur == sl->sl_max - 1) {
@@ -108,14 +107,14 @@ _ng_sl_add(struct stringlist *sl, char *name)
sl->sl_max += 20;
slstr = realloc(sl->sl_str, sl->sl_max * sizeof(char *));
if (slstr == NULL) {
- if (sl->sl_str)
- free(sl->sl_str);
+ free(sl->sl_str);
sl->sl_str = NULL;
- _err(1, _ngoomem);
+ return -1;
}
sl->sl_str = slstr;
}
sl->sl_str[sl->sl_cur++] = name;
+ return 0;
}
@@ -183,7 +182,7 @@ getstring(char **pp, int del, char **str)
if (del > 1) {
dp = malloc(del);
if (dp == NULL)
- _err(1, _ngoomem);
+ return 0;
memcpy(dp, sp, del);
dp[del - 1] = '\0';
} else
@@ -203,7 +202,7 @@ getnetgroup(char **pp)
struct netgroup *ng = malloc(sizeof(struct netgroup));
if (ng == NULL)
- _err(1, _ngoomem);
+ return NULL;
(*pp)++; /* skip '(' */
if (!getstring(pp, ',', &ng->ng_host))
@@ -243,6 +242,7 @@ badhost:
static int
lookup(const char *ypdom, char *name, char **line, int bywhat)
{
+ int ret;
#ifdef YP
int i;
char *map = NULL;
@@ -253,28 +253,29 @@ lookup(const char *ypdom, char *name, char **line, int bywhat)
size_t len = strlen(name) + 2;
char *ks = malloc(len);
+ if (ks == NULL)
+ return 0;
ks[0] = bywhat;
memcpy(&ks[1], name, len - 1);
key.data = (u_char *) ks;
key.size = len;
- switch ((_ng_db->get) (_ng_db, &key, &data, 0)) {
+ ret = (_ng_db->get)(_ng_db, &key, &data, 0);
+ free(ks);
+ switch (ret) {
case 0:
- free(ks);
*line = strdup(data.data);
if (*line == NULL)
- _err(1, _ngoomem);
+ return 0;
return 1;
case 1:
break;
case -1:
- _warn("netgroup: db get");
- break;
+ return 0;
}
- free(ks);
}
#ifdef YP
if (ypdom) {
@@ -322,10 +323,8 @@ _ng_parse(char **p, char **name, struct netgroup **ng)
(*p)++;
if (**p == '(') {
- if ((*ng = getnetgroup(p)) == NULL) {
- _warnx("netgroup: Syntax error `%s'", *p);
+ if ((*ng = getnetgroup(p)) == NULL)
return _NG_ERROR;
- }
return _NG_GROUP;
} else {
char *np;
@@ -337,7 +336,7 @@ _ng_parse(char **p, char **name, struct netgroup **ng)
i = (*p - np) + 1;
*name = malloc(i);
if (*name == NULL)
- _err(1, _ngoomem);
+ return _NG_ERROR;
memcpy(*name, np, i);
(*name)[i - 1] = '\0';
return _NG_NAME;
@@ -367,7 +366,10 @@ addgroup(char *ypdom, struct stringlist *sl, char *grp)
free(grp);
return;
}
- _ng_sl_add(sl, grp);
+ if (_ng_sl_add(sl, grp) == -1) {
+ free(grp);
+ return;
+ }
/* Lookup this netgroup */
if (!lookup(ypdom, grp, &line, _NG_KEYBYNAME))
@@ -445,7 +447,10 @@ in_find(char *ypdom, struct stringlist *sl, char *grp, const char *host,
free(grp);
return 0;
}
- _ng_sl_add(sl, grp);
+ if (_ng_sl_add(sl, grp) == -1) {
+ free(grp);
+ return 0;
+ }
/* Lookup this netgroup */
if (!lookup(ypdom, grp, &line, _NG_KEYBYNAME))
@@ -500,9 +505,8 @@ char *
_ng_makekey(const char *s1, const char *s2, size_t len)
{
char *buf = malloc(len);
- if (buf == NULL)
- _err(1, _ngoomem);
- (void) snprintf(buf, len, "%s.%s", _NG_STAR(s1), _NG_STAR(s2));
+ if (buf != NULL)
+ (void) snprintf(buf, len, "%s.%s", _NG_STAR(s1), _NG_STAR(s2));
return buf;
}
@@ -527,6 +531,8 @@ in_lookup1(const char *ypdom, const char *key, const char *domain, int map)
len = (key ? strlen(key) : 1) + (domain ? strlen(domain) : 1) + 2;
ptr = _ng_makekey(key, domain, len);
+ if (ptr == NULL)
+ return NULL;
res = lookup(ypdom, ptr, &line, map);
free(ptr);
return res ? line : NULL;
@@ -601,7 +607,7 @@ endnetgrent(void)
void
setnetgrent(const char *ng)
{
- struct stringlist *sl = _ng_sl_init();
+ struct stringlist *sl;
#ifdef YP
char *line;
#endif
@@ -611,6 +617,10 @@ setnetgrent(const char *ng)
if (_nghead != NULL)
endnetgrent();
+ sl = _ng_sl_init();
+ if (sl == NULL)
+ return;
+
if (_ng_db == NULL)
_ng_db = dbopen(_PATH_NETGROUP_DB, O_RDONLY, 0, DB_HASH, NULL);
@@ -625,9 +635,8 @@ setnetgrent(const char *ng)
free(line);
#endif
ng_copy = strdup(ng);
- if (ng_copy == NULL)
- _err(1, _ngoomem);
- addgroup(ypdom, sl, ng_copy);
+ if (ng_copy != NULL)
+ addgroup(ypdom, sl, ng_copy);
_nghead = _nglist;
_ng_sl_free(sl, 1);
}
@@ -690,10 +699,12 @@ innetgr(const char *grp, const char *host, const char *user, const char *domain)
grpdup = strdup(grp);
if (grpdup == NULL)
- return (0);
+ return 0;
/* Too bad need the slow recursive way */
sl = _ng_sl_init();
+ if (sl == NULL)
+ return 0;
found = in_find(ypdom, sl, grpdup, host, user, domain);
_ng_sl_free(sl, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 07:53:26 +0000