diff options
Diffstat (limited to 'dyndhcpd.c')
| -rw-r--r-- | dyndhcpd.c | 30 |
1 files changed, 20 insertions, 10 deletions
@@ -1,8 +1,19 @@ /* - * (C) 2013-2019 by Christian Hesse <mail@eworm.de> + * (C) 2013-2024 by Christian Hesse <mail@eworm.de> + * + * This program 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 3 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see <https://www.gnu.org/licenses/>. * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. */ #include "dyndhcpd.h" @@ -29,7 +40,7 @@ int replace(char ** config, size_t *length, const char ** tmp, if (strncmp(template, *tmp, templatelength) == 0) { *config = realloc(*config, *length + strlen(value) + 1); - *length += sprintf(*config + *length, value); + *length += sprintf(*config + *length, "%s", value); *tmp += templatelength; return 1; } @@ -46,8 +57,7 @@ int main(int argc, char ** argv) { char * interface = NULL; char hostname[HOST_NAME_MAX]; - const char * domainname; - struct hostent *hp; + char * domainname; char * template = NULL; FILE * templatefile; @@ -129,11 +139,11 @@ int main(int argc, char ** argv) { goto out; } - /* get the domainname */ - hp = gethostbyname(hostname); - if ((domainname = strchr(hp->h_name, '.')) != NULL) + /* get the domainname and strip it from hostname */ + if ((domainname = strchr(hostname, '.')) != NULL) { + *domainname = 0; domainname++; - else { + } else { fprintf(stderr, "Could not get domainname, using '" FALLBACKDOMAIN "'\n"); domainname = FALLBACKDOMAIN; } |