diff options
Diffstat (limited to 'usr.bin/cu')
| -rw-r--r-- | usr.bin/cu/cu.1 | 23 | ||||
| -rw-r--r-- | usr.bin/cu/cu.c | 25 |
2 files changed, 31 insertions, 17 deletions
diff --git a/usr.bin/cu/cu.1 b/usr.bin/cu/cu.1 index be0b8c7388a..035e3793cf7 100644 --- a/usr.bin/cu/cu.1 +++ b/usr.bin/cu/cu.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: cu.1,v 1.10 2014/03/26 13:00:50 nicm Exp $ +.\" $OpenBSD: cu.1,v 1.11 2014/03/31 09:09:19 nicm Exp $ .\" .\" Copyright (c) 1980, 1990, 1993 .\" The Regents of the University of California. All rights reserved. @@ -29,7 +29,7 @@ .\" .\" @(#)tip.1 8.4 (Berkeley) 4/18/94 .\" -.Dd $Mdocdate: March 26 2014 $ +.Dd $Mdocdate: March 31 2014 $ .Dt CU 1 .Os .Sh NAME @@ -79,7 +79,7 @@ is given, .Nm uses the .Xr remote 5 -host description file to retrieve the +database to retrieve the .Sy dv Pq device and .Sy br Pq baud rate @@ -152,16 +152,25 @@ dialogue and return the user to the remote machine. guards against multiple users connecting to a remote system by opening modems and terminal lines with exclusive access. .Sh ENVIRONMENT -If -.Ev REMOTE -is set and begins with a slash, the named file is searched before the +.Bl -tag -width REMOTEXXX +.It Ev HOST +The default value for +.Ar host +if none is specified via the command line. +.It Ev REMOTE +A system description, or an absolute path to a .Xr remote 5 -host description file; otherwise it is searched for as a host. +system description database. +.El .Sh FILES .Bl -tag -width /etc/remote .It Pa /etc/remote host description file .El +.Sh EXIT STATUS +.Ex -std cu +.Sh SEE ALSO +.Xr remote 5 .Sh HISTORY The .Nm diff --git a/usr.bin/cu/cu.c b/usr.bin/cu/cu.c index 219e90f0e7a..769caf811da 100644 --- a/usr.bin/cu/cu.c +++ b/usr.bin/cu/cu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cu.c,v 1.16 2014/03/26 13:00:50 nicm Exp $ */ +/* $OpenBSD: cu.c,v 1.17 2014/03/31 09:09:19 nicm Exp $ */ /* * Copyright (c) 2012 Nicholas Marriott <nicm@openbsd.org> @@ -60,7 +60,7 @@ void stream_read(struct bufferevent *, void *); void stream_error(struct bufferevent *, short, void *); void line_read(struct bufferevent *, void *); void line_error(struct bufferevent *, short, void *); -void try_remote(const char *, const char *); +void try_remote(const char *, const char *, const char *); __dead void usage(void) @@ -74,7 +74,7 @@ int main(int argc, char **argv) { const char *errstr; - char *tmp, *s; + char *tmp, *s, *host; int opt, i; if (isatty(STDIN_FILENO) && tcgetattr(STDIN_FILENO, &saved_tio) != 0) @@ -113,14 +113,17 @@ main(int argc, char **argv) if (argc != 0 && argc != 1) usage(); - s = getenv("REMOTE"); - if (argc == 1) { + if (argc == 1) + host = argv[0]; + else + host = getenv("HOST"); + if (host != NULL && *host != '\0') { + s = getenv("REMOTE"); if (s != NULL && *s == '/') - try_remote(argv[0], s); + try_remote(host, s, NULL); else - try_remote(argv[0], NULL); - } else if (s != NULL && *s != '/') - try_remote(s, NULL); + try_remote(host, NULL, s); + } if (line_path == NULL) line_path = "/dev/cua00"; @@ -306,7 +309,7 @@ line_error(struct bufferevent *bufev, short what, void *data) } void -try_remote(const char *host, const char *path) +try_remote(const char *host, const char *path, const char *entry) { const char *paths[] = { "/etc/remote", NULL, NULL }; char *cp, *s; @@ -318,6 +321,8 @@ try_remote(const char *host, const char *path) paths[1] = "/etc/remote"; } + if (entry != NULL && cgetset(entry) != 0) + cu_errx(1, "cgetset failed"); error = cgetent(&cp, (char**)paths, (char*)host); if (error < 0) { switch (error) { |