diff options
| -rw-r--r-- | dyndhcpd.c | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -76,6 +76,7 @@ int main(int argc, char ** argv) { char * domainname; struct hostent *hp; + char * config_template = NULL; size_t fsize; char * config = NULL; char * filename = NULL; @@ -85,10 +86,17 @@ int main(int argc, char ** argv) { printf("Starting dyndhcpd/" VERSION " (compiled: " __DATE__ ", " __TIME__ ")\n"); /* get command line options */ - while ((i = getopt(argc, argv, "hi:v")) != -1) + while ((i = getopt(argc, argv, "c:hi:v")) != -1) switch (i) { + case 'c': + config_template = optarg; + if (strlen(config_template) == 0) { + fprintf(stderr, "Requested different config file, but no name given.\n"); + return EXIT_FAILURE; + } + break; case 'h': - fprintf(stderr, "usage: %s [-h] -i INTERFACE [-v]\n", argv[0]); + fprintf(stderr, "usage: %s [-c config] [-h] -i INTERFACE [-v]\n", argv[0]); return EXIT_SUCCESS; case 'i': interface = optarg; @@ -202,9 +210,10 @@ int main(int argc, char ** argv) { "Netmask: %s\n" "Hosts: %s - %s\n", interface, domainname, c_address, c_netaddress, c_broadcast, c_netmask, c_minhost, c_maxhost); - /* open the template for reading */ - if ((configfile = fopen(CONFIG_TEMPLATE, "r")) == NULL) { + if (config_template == NULL) + config_template = CONFIG_TEMPLATE; + if ((configfile = fopen(config_template, "r")) == NULL) { fprintf(stderr, "Failed opening config template for reading.\n"); goto out; } |