epics/epics-base
0
0
Fork 0
Code Issues Pull Requests Projects Wiki Activity

Only write out dhcpcd.conf if it doesn't exist.

Browse Source 
rtems_init.c will write out a dhcpcd.conf if one doesn't already
exist, but if there's a filesystem including this file, don't write
over it, use whatever's there instead.
This commit is contained in:
Brendan Chandler
2021-02-25 15:50:58 -06:00
parent 17b0c69dd6
commit 11fedecefc
1 changed files with 23 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
modules/libcom/RTEMS/posix/rtems_init.c
View File

@@ -801,35 +801,38 @@ default_network_set_self_prio(rtems_task_priority prio)
static void
default_network_dhcpcd(void)
{
static const char default_cfg[] = "clientid FHI test client\n";
static const char default_cfg[] = "clientid test client\n";
rtems_status_code sc;
int fd;
int rv;
ssize_t n;
struct stat statbuf;
fd = open("/etc/dhcpcd.conf", O_CREAT | O_WRONLY,
S_IRWXU | S_IRWXG | S_IRWXO);
assert(fd >= 0);
if (ENOENT == stat("/etc/dhcpcd.conf", &statbuf)) {
fd = open("/etc/dhcpcd.conf", O_CREAT | O_WRONLY,
S_IRWXU | S_IRWXG | S_IRWXO);
assert(fd >= 0);
n = write(fd, default_cfg, sizeof(default_cfg) - 1);
assert(n == (ssize_t) sizeof(default_cfg) - 1);
n = write(fd, default_cfg, sizeof(default_cfg) - 1);
assert(n == (ssize_t) sizeof(default_cfg) - 1);
static const char fhi_cfg[] =
"nodhcp6\n"
"ipv4only\n"
"option ntp_servers\n"
"option rtems_cmdline\n"
"option tftp_server_name\n"
"option bootfile_name\n"
"define 129 string rtems_cmdline\n"
"timeout 0";
static const char fhi_cfg[] =
"nodhcp6\n"
"ipv4only\n"
"option ntp_servers\n"
"option rtems_cmdline\n"
"option tftp_server_name\n"
"option bootfile_name\n"
"define 129 string rtems_cmdline\n"
"timeout 0";
n = write(fd, fhi_cfg, sizeof(fhi_cfg) - 1);
assert(n == (ssize_t) sizeof(fhi_cfg) - 1);
rv = close(fd);
assert(rv == 0);
n = write(fd, fhi_cfg, sizeof(fhi_cfg) - 1);
assert(n == (ssize_t) sizeof(fhi_cfg) - 1);
rv = close(fd);
assert(rv == 0);
}
sc = rtems_dhcpcd_start(NULL);
assert(sc == RTEMS_SUCCESSFUL);
}