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diff -up openssh/misc.c.config openssh/misc.c
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--- openssh/misc.c.config 2018-08-22 13:58:54.922807799 +0200
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+++ openssh/misc.c 2018-08-22 13:58:55.000808428 +0200
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@@ -485,7 +485,7 @@ put_host_port(const char *host, u_short
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* The delimiter char, if present, is stored in delim.
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* If this is the last field, *cp is set to NULL.
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*/
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-static char *
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+char *
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hpdelim2(char **cp, char *delim)
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{
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char *s, *old;
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diff -up openssh/misc.h.config openssh/misc.h
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--- openssh/misc.h.config 2018-08-20 07:57:29.000000000 +0200
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+++ openssh/misc.h 2018-08-22 13:58:55.001808436 +0200
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@@ -54,6 +54,7 @@ int set_rdomain(int, const char *);
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int a2port(const char *);
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int a2tun(const char *, int *);
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char *put_host_port(const char *, u_short);
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+char *hpdelim2(char **, char *);
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char *hpdelim(char **);
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char *cleanhostname(char *);
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char *colon(char *);
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diff -up openssh/servconf.c.config openssh/servconf.c
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--- openssh/servconf.c.config 2018-08-22 13:58:54.989808340 +0200
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+++ openssh/servconf.c 2018-08-22 14:18:49.235443937 +0200
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@@ -886,7 +886,7 @@ process_permitopen_list(struct ssh *ssh,
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{
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u_int i;
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int port;
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- char *host, *arg, *oarg;
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+ char *host, *arg, *oarg, ch;
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int where = opcode == sPermitOpen ? FORWARD_LOCAL : FORWARD_REMOTE;
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const char *what = lookup_opcode_name(opcode);
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@@ -904,8 +904,8 @@ process_permitopen_list(struct ssh *ssh,
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/* Otherwise treat it as a list of permitted host:port */
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for (i = 0; i < num_opens; i++) {
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oarg = arg = xstrdup(opens[i]);
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- host = hpdelim(&arg;;
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- if (host == NULL)
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+ host = hpdelim2(&arg, &ch);
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+ if (host == NULL || ch == '/')
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fatal("%s: missing host in %s", __func__, what);
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host = cleanhostname(host);
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if (arg == NULL || ((port = permitopen_port(arg)) < 0))
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@@ -1323,8 +1323,10 @@ process_server_config_line(ServerOptions
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port = 0;
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p = arg;
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} else {
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- p = hpdelim(&arg;;
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- if (p == NULL)
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+ char ch;
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+ arg2 = NULL;
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+ p = hpdelim2(&arg, &ch);
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+ if (p == NULL || ch == '/')
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fatal("%s line %d: bad address:port usage",
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filename, linenum);
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p = cleanhostname(p);
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@@ -1965,9 +1967,10 @@ process_server_config_line(ServerOptions
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*/
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xasprintf(&arg2, "*:%s", arg);
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} else {
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+ char ch;
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arg2 = xstrdup(arg);
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- p = hpdelim(&arg;;
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- if (p == NULL) {
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+ p = hpdelim2(&arg, &ch);
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+ if (p == NULL || ch == '/') {
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fatal("%s line %d: missing host in %s",
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filename, linenum,
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lookup_opcode_name(opcode));
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