diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/gen/getgrent.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/gen/getgrent.c b/lib/libc/gen/getgrent.c index d9ea5bd..511eddd 100644 --- a/lib/libc/gen/getgrent.c +++ b/lib/libc/gen/getgrent.c @@ -721,6 +721,7 @@ files_group(void *retval, void *mdata, va_list ap) gid_t gid; char *buffer; size_t bufsize, linesize; + off_t pos; int rv, stayopen, *errnop; name = NULL; @@ -757,6 +758,7 @@ files_group(void *retval, void *mdata, va_list ap) stayopen = st->stayopen; } rv = NS_NOTFOUND; + pos = ftello(st->fp); while ((line = fgetln(st->fp, &linesize)) != NULL) { if (line[linesize-1] == '\n') linesize--; @@ -768,10 +770,12 @@ files_group(void *retval, void *mdata, va_list ap) * pointer for the member list terminator. */ if (bufsize <= linesize + _ALIGNBYTES + sizeof(char *)) { + fseeko(st->fp, pos, SEEK_SET); *errnop = ERANGE; rv = NS_RETURN; break; } + pos = ftello(st->fp); memcpy(buffer, line, linesize); buffer[linesize] = '\0'; rv = __gr_parse_entry(buffer, linesize, grp, @@ -1183,6 +1187,7 @@ compat_group(void *retval, void *mdata, va_list ap) char *buffer, *p; void *discard; size_t bufsize, linesize; + off_t pos; int rv, stayopen, *errnop; #define set_lookup_type(x, y) do { \ @@ -1286,6 +1291,7 @@ docompat: break; } rv = NS_NOTFOUND; + pos = ftello(st->fp); while ((line = fgetln(st->fp, &linesize)) != NULL) { if (line[linesize-1] == '\n') linesize--; @@ -1316,10 +1322,12 @@ docompat: * pointer for the member list terminator. */ if (bufsize <= linesize + _ALIGNBYTES + sizeof(char *)) { + fseeko(st->fp, pos, SEEK_SET); *errnop = ERANGE; rv = NS_RETURN; break; } + pos = ftello(st->fp); memcpy(buffer, line, linesize); buffer[linesize] = '\0'; rv = __gr_parse_entry(buffer, linesize, grp, |
