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lib: new APIs for get/set system hostname/domainname

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1. Change hostname_get to cmd_hostname_get
2. Change domainname_get to cmd_domainname_get
3. New API to set domainname
3. Provide a CLI command to set domainname

Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
This commit is contained in:
Mitesh Kanjariya 2017-08-28 16:52:29 -07:00
parent 0802e118dd
commit 6b3ee3a0b0
11 changed files with 70 additions and 30 deletions
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16
bgpd/bgp_open.c
View File

@ -1440,7 +1440,7 @@ void bgp_open_capability(struct stream *s, struct peer *peer)
}
/* Hostname capability */
if (hostname_get()) {
if (cmd_hostname_get()) {
SET_FLAG(peer->cap, PEER_CAP_HOSTNAME_ADV);
stream_putc(s, BGP_OPEN_OPT_CAP);
rcapp = stream_get_endp(s); /* Ptr to length placeholder */
@ -1448,20 +1448,19 @@ void bgp_open_capability(struct stream *s, struct peer *peer)
stream_putc(s, CAPABILITY_CODE_FQDN);
capp = stream_get_endp(s);
stream_putc(s, 0); /* dummy len for now */
len = strlen(hostname_get());
len = strlen(cmd_hostname_get());
if (len > BGP_MAX_HOSTNAME)
len = BGP_MAX_HOSTNAME;
stream_putc(s, len);
stream_put(s, hostname_get(), len);
if ((host.domainname)
&& (strcmp(host.domainname, "(none)") != 0)) {
len = strlen(host.domainname);
stream_put(s, cmd_hostname_get(), len);
if (cmd_domainname_get()) {
len = strlen(cmd_domainname_get());
if (len > BGP_MAX_HOSTNAME)
len = BGP_MAX_HOSTNAME;
stream_putc(s, len);
stream_put(s, host.domainname, len);
stream_put(s, cmd_domainname_get(), len);
} else
stream_putc(s, 0); /* 0 length */
@ -1474,7 +1473,8 @@ void bgp_open_capability(struct stream *s, struct peer *peer)
if (bgp_debug_neighbor_events(peer))
zlog_debug(
"%s Sending hostname cap with hn = %s, dn = %s",
peer->host, hostname_get(), host.domainname);
peer->host, cmd_hostname_get(),
cmd_domainname_get());
}
/* Sending base graceful-restart capability irrespective of the config

8
bgpd/bgpd.c
View File

@ -2766,17 +2766,17 @@ static struct bgp *bgp_create(as_t *as, const char *name,
XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->hostname);
bgp->peer_self->hostname = NULL;
}
if (hostname_get())
if (cmd_hostname_get())
bgp->peer_self->hostname = XSTRDUP(MTYPE_BGP_PEER_HOST,
hostname_get());
cmd_hostname_get());
if (bgp->peer_self->domainname != NULL) {
XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->domainname);
bgp->peer_self->domainname = NULL;
}
if (domainname_get())
if (cmd_domainname_get())
bgp->peer_self->domainname = XSTRDUP(MTYPE_BGP_PEER_HOST,
domainname_get());
cmd_domainname_get());
bgp->peer = list_new();
bgp->peer->cmp = (int (*)(void *, void *))peer_cmp;
bgp->peerhash = hash_create(peer_hash_key_make, peer_hash_same, NULL);

2
isisd/isis_dynhn.c
View File

@ -146,6 +146,6 @@ void dynhn_print_all(struct vty *vty)
}
vty_out(vty, " * %s %s\n", sysid_print(isis->sysid),
hostname_get());
cmd_hostname_get());
return;
}

6
isisd/isis_lsp.c
View File

@ -600,7 +600,7 @@ static void lspid_print(u_char *lsp_id, u_char *trg, char dynhost, char frag)
if (dyn)
sprintf((char *)id, "%.14s", dyn->hostname);
else if (!memcmp(isis->sysid, lsp_id, ISIS_SYS_ID_LEN) && dynhost)
sprintf((char *)id, "%.14s", hostname_get());
sprintf((char *)id, "%.14s", cmd_hostname_get());
else
memcpy(id, sysid_print(lsp_id), 15);
if (frag)
@ -880,9 +880,9 @@ static void lsp_build(struct isis_lsp *lsp, struct isis_area *area)
}
/* Dynamic Hostname */
if (area->dynhostname) {
isis_tlvs_set_dynamic_hostname(lsp->tlvs, hostname_get());
isis_tlvs_set_dynamic_hostname(lsp->tlvs, cmd_hostname_get());
lsp_debug("ISIS (%s): Adding dynamic hostname '%s'",
area->area_tag, hostname_get());
area->area_tag, cmd_hostname_get());
} else {
lsp_debug("ISIS (%s): Not adding dynamic hostname (disabled)",
area->area_tag);

2
isisd/isis_misc.c
View File

@ -444,7 +444,7 @@ const char *print_sys_hostname(const u_char *sysid)
/* For our system ID return our host name */
if (memcmp(sysid, isis->sysid, ISIS_SYS_ID_LEN) == 0)
return hostname_get();
return cmd_hostname_get();
dyn = dynhn_find_by_id(sysid);
if (dyn)

2
isisd/isisd.c
View File

@ -1440,7 +1440,7 @@ static int show_isis_database(struct vty *vty, const char *argv, int ui_level)
lsp = lsp_search(
lspid,
area->lspdb[level]);
} else if (strncmp(hostname_get(),
} else if (strncmp(cmd_hostname_get(),
sysid, 15)
== 0) {
memcpy(lspid, isis->sysid,

51
lib/command.c
View File

@ -128,7 +128,7 @@ struct host host;
* Returns host.name if any, otherwise
* it returns the system hostname.
*/
const char *hostname_get(void)
const char *cmd_hostname_get(void)
{
return host.name;
}
@ -136,7 +136,7 @@ const char *hostname_get(void)
/*
* Returns unix domainname
*/
const char *domainname_get(void)
const char *cmd_domainname_get(void)
{
return host.domainname;
}
@ -487,8 +487,8 @@ static char *zencrypt(const char *passwd)
/* This function write configuration of this host. */
static int config_write_host(struct vty *vty)
{
if (hostname_get())
vty_out(vty, "hostname %s\n", hostname_get());
if (cmd_hostname_get())
vty_out(vty, "hostname %s\n", cmd_hostname_get());
if (host.encrypt) {
if (host.password_encrypt)
@ -1420,7 +1420,7 @@ DEFUN (show_version,
"Displays zebra version\n")
{
vty_out(vty, "%s %s (%s).\n", FRR_FULL_NAME, FRR_VERSION,
hostname_get() ? hostname_get() : "");
cmd_hostname_get() ? cmd_hostname_get() : "");
vty_out(vty, "%s%s\n", FRR_COPYRIGHT, GIT_INFO);
vty_out(vty, "configured with:\n %s\n", FRR_CONFIG_ARGS);
@ -1754,6 +1754,40 @@ DEFUN (show_startup_config,
return CMD_SUCCESS;
}
int cmd_domainname_set(const char *domainname)
{
XFREE(MTYPE_HOST, host.domainname);
host.domainname = domainname ? XSTRDUP(MTYPE_HOST, domainname) : NULL;
return CMD_SUCCESS;
}
/* Hostname configuration */
DEFUN (config_domainname,
domainname_cmd,
"domainname WORD",
"Set system's domain name\n"
"This system's domain name\n")
{
struct cmd_token *word = argv[1];
if (!isalpha((int)word->arg[0])) {
vty_out(vty, "Please specify string starting with alphabet\n");
return CMD_WARNING_CONFIG_FAILED;
}
return cmd_domainname_set(word->arg);
}
DEFUN (config_no_domainname,
no_domainname_cmd,
"no domainname [DOMAINNAME]",
NO_STR
"Reset system's domain name\n"
"domain name of this router\n")
{
return cmd_domainname_set(NULL);
}
int cmd_hostname_set(const char *hostname)
{
XFREE(MTYPE_HOST, host.name);
@ -2529,7 +2563,10 @@ void cmd_init(int terminal)
/* Default host value settings. */
host.name = XSTRDUP(MTYPE_HOST, names.nodename);
#ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
host.domainname = XSTRDUP(MTYPE_HOST, names.domainname);
if ((strcmp(names.domainname, "(none)") == 0))
host.domainname = NULL;
else
host.domainname = XSTRDUP(MTYPE_HOST, names.domainname);
#else
host.domainname = NULL;
#endif
@ -2584,6 +2621,8 @@ void cmd_init(int terminal)
install_element(CONFIG_NODE, &hostname_cmd);
install_element(CONFIG_NODE, &no_hostname_cmd);
install_element(CONFIG_NODE, &domainname_cmd);
install_element(CONFIG_NODE, &no_domainname_cmd);
install_element(CONFIG_NODE, &frr_version_defaults_cmd);
if (terminal > 0) {

5
lib/command.h
View File

@ -401,9 +401,10 @@ extern void cmd_terminate(void);
extern void cmd_exit(struct vty *vty);
extern int cmd_list_cmds(struct vty *vty, int do_permute);
extern int cmd_domainname_set(const char *domainname);
extern int cmd_hostname_set(const char *hostname);
extern const char *hostname_get(void);
extern const char *domainname_get(void);
extern const char *cmd_hostname_get(void);
extern const char *cmd_domainname_get(void);
/* NOT safe for general use; call this only if DEV_BUILD! */
extern void grammar_sandbox_init(void);

2
lib/vty.c
View File

@ -252,7 +252,7 @@ static void vty_prompt(struct vty *vty)
{
if (vty->type == VTY_TERM) {
vty_out(vty, cmd_prompt(vty->node),
hostname_get());
cmd_hostname_get());
}
}

2
vtysh/vtysh.c
View File

@ -2881,7 +2881,7 @@ char *vtysh_prompt(void)
{
static char buf[100];
snprintf(buf, sizeof buf, cmd_prompt(vty->node), hostname_get());
snprintf(buf, sizeof buf, cmd_prompt(vty->node), cmd_hostname_get());
return buf;
}

4
vtysh/vtysh_config.c
View File

@ -421,8 +421,8 @@ void vtysh_config_write()
{
char line[81];
if (hostname_get()) {
sprintf(line, "hostname %s", hostname_get());
if (cmd_hostname_get()) {
sprintf(line, "hostname %s", cmd_hostname_get());
vtysh_config_parse_line(NULL, line);
}
if (vtysh_write_integrated == WRITE_INTEGRATED_NO)