diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/hostname-setup.c | 42 | ||||
| -rw-r--r-- | src/test-hostname.c | 37 |
2 files changed, 73 insertions, 6 deletions
diff --git a/src/hostname-setup.c b/src/hostname-setup.c index f52e38aef2..d8fa567901 100644 --- a/src/hostname-setup.c +++ b/src/hostname-setup.c @@ -34,8 +34,6 @@ #define FILENAME "/etc/sysconfig/network" #elif defined(TARGET_SUSE) || defined(TARGET_SLACKWARE) #define FILENAME "/etc/HOSTNAME" -#elif defined(TARGET_DEBIAN) -#define FILENAME "/etc/hostname" #elif defined(TARGET_ARCH) #define FILENAME "/etc/rc.conf" #elif defined(TARGET_GENTOO) @@ -59,7 +57,7 @@ static char* strip_bad_chars(char *s) { return s; } -static int read_hostname(char **hn) { +static int read_distro_hostname(char **hn) { #if defined(TARGET_FEDORA) || defined(TARGET_ARCH) || defined(TARGET_GENTOO) int r; @@ -111,7 +109,7 @@ finish: fclose(f); return r; -#elif defined(TARGET_SUSE) || defined(TARGET_DEBIAN) || defined(TARGET_SLACKWARE) +#elif defined(TARGET_SUSE) || defined(TARGET_SLACKWARE) int r; char *s, *k; @@ -134,12 +132,44 @@ finish: } *hn = k; + return 0; #else -#warning "Don't know how to read the hostname" - return -ENOENT; #endif +} + +static int read_hostname(char **hn) { + int r; + char *s, *k; + + assert(hn); + + /* First, try to load the generic hostname configuration file, + * that we support on all distributions */ + + if ((r = read_one_line_file("/etc/hostname", &s)) < 0) { + + if (r == -ENOENT) + return read_distro_hostname(hn); + + return r; + } + + k = strdup(strstrip(s)); + free(s); + + if (!k) + return -ENOMEM; + + strip_bad_chars(k); + + if (k[0] == 0) { + free(k); + return -ENOENT; + } + + *hn = k; return 0; } diff --git a/src/test-hostname.c b/src/test-hostname.c new file mode 100644 index 0000000000..0a08416a17 --- /dev/null +++ b/src/test-hostname.c @@ -0,0 +1,37 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <fcntl.h> + +#include "hostname-setup.h" +#include "util.h" + +int main(int argc, char* argv[]) { + int r; + + if ((r = hostname_setup()) < 0) + fprintf(stderr, "hostname: %s\n", strerror(-r)); + + return 0; +} |