diff options
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/ssh/readconf.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/usr.bin/ssh/readconf.c b/usr.bin/ssh/readconf.c index 6e3f697ba82..8bbaabf1e9d 100644 --- a/usr.bin/ssh/readconf.c +++ b/usr.bin/ssh/readconf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: readconf.c,v 1.370 2022/11/28 01:37:36 djm Exp $ */ +/* $OpenBSD: readconf.c,v 1.371 2023/01/02 07:03:30 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -1554,37 +1554,37 @@ parse_pubkey_algos: case oPermitRemoteOpen: uintptr = &options->num_permitted_remote_opens; cppptr = &options->permitted_remote_opens; - arg = argv_next(&ac, &av); - if (!arg || *arg == '\0') - fatal("%s line %d: missing %s specification", - filename, linenum, lookup_opcode_name(opcode)); uvalue = *uintptr; /* modified later */ - if (strcmp(arg, "any") == 0 || strcmp(arg, "none") == 0) { - if (*activep && uvalue == 0) { - *uintptr = 1; - *cppptr = xcalloc(1, sizeof(**cppptr)); - (*cppptr)[0] = xstrdup(arg); - } - break; - } + i = 0; while ((arg = argv_next(&ac, &av)) != NULL) { arg2 = xstrdup(arg); - p = hpdelim(&arg); - if (p == NULL) { - fatal("%s line %d: missing host in %s", - filename, linenum, - lookup_opcode_name(opcode)); - } - p = cleanhostname(p); - /* - * don't want to use permitopen_port to avoid - * dependency on channels.[ch] here. - */ - if (arg == NULL || - (strcmp(arg, "*") != 0 && a2port(arg) <= 0)) { - fatal("%s line %d: bad port number in %s", - filename, linenum, - lookup_opcode_name(opcode)); + /* Allow any/none only in first position */ + if (strcasecmp(arg, "none") == 0 || + strcasecmp(arg, "any") == 0) { + if (i > 0 || ac > 0) { + error("%s line %d: keyword %s \"%s\" " + "argument must appear alone.", + filename, linenum, keyword, arg); + goto out; + } + } else { + p = hpdelim(&arg); + if (p == NULL) { + fatal("%s line %d: missing host in %s", + filename, linenum, + lookup_opcode_name(opcode)); + } + p = cleanhostname(p); + /* + * don't want to use permitopen_port to avoid + * dependency on channels.[ch] here. + */ + if (arg == NULL || (strcmp(arg, "*") != 0 && + a2port(arg) <= 0)) { + fatal("%s line %d: bad port number " + "in %s", filename, linenum, + lookup_opcode_name(opcode)); + } } if (*activep && uvalue == 0) { opt_array_append(filename, linenum, @@ -1592,7 +1592,11 @@ parse_pubkey_algos: cppptr, uintptr, arg2); } free(arg2); + i++; } + if (i == 0) + fatal("%s line %d: missing %s specification", + filename, linenum, lookup_opcode_name(opcode)); break; case oClearAllForwardings: |