diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/getpwent.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/libc/gen/getpwent.c b/lib/libc/gen/getpwent.c index e8ac1e7..e8a86a8 100644 --- a/lib/libc/gen/getpwent.c +++ b/lib/libc/gen/getpwent.c @@ -264,11 +264,25 @@ __hashpw(key) static char *line; DBT data; - if ((_pw_db->get)(_pw_db, key, &data, 0)) + /* + * XXX The pw_fields member of _pw_passwd needs to be cleared + * at some point since __hashpw() can be called several times in + * a single program. If we leave here after the second invokation + * with garbage data in pw_fields, it can totally screw up NIS + * lookups (the pw_breakout functions only populate the pw_passwd + * structure if the pw_fields bits are clear). + */ + if ((_pw_db->get)(_pw_db, key, &data, 0)) { + if (_pw_passwd.pw_fields) + _pw_passwd.pw_fields = 0; return(0); + } p = (char *)data.data; - if (data.size > max && !(line = realloc(line, max += 1024))) + if (data.size > max && !(line = realloc(line, max += 1024))) { + if (_pw_passwd.pw_fields) + _pw_passwd.pw_fields = 0; return(0); + } t = line; #define EXPAND(e) e = t; while (*t++ = *p++); |
