lagertonne/ifupdown-ng
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lifecycle: stop bringing up links, use link executor instead

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This commit is contained in:
Ariadne Conill 2020-07-26 03:38:55 -06:00
parent 83ccb4f81d
commit be00984946
1 changed files with 5 additions and 90 deletions
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95
libifupdown/lifecycle.c
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@ -65,73 +65,6 @@ handle_executors_for_phase(const struct lif_execute_opts *opts, char *const envp
return true;
}
static inline size_t
count_set_bits(const char *netmask)
{
/* netmask set to CIDR length */
if (strchr(netmask, '.') == NULL)
return strtol(netmask, NULL, 10);
size_t r = 0;
struct in_addr in;
if (inet_pton(AF_INET, netmask, &in) == 0)
return r;
/* take the IP, put it in host endian order, and
* flip it so that all the set bits are set to the right.
* then we can simply count down from 32 and right-shift
* until the bit field is all zero.
*/
unsigned int bits = htonl(in.s_addr);
for (bits = ~bits, r = 32; bits; bits >>= 1, r--)
;
return r;
}
static bool
handle_pre_up(const struct lif_execute_opts *opts, struct lif_interface *iface, const char *lifname)
{
(void) opts;
(void) iface;
(void) lifname;
return true;
}
static bool
handle_up(const struct lif_execute_opts *opts, struct lif_interface *iface, const char *lifname)
{
(void) iface;
if (!lif_execute_fmt(opts, NULL, "/sbin/ip link set up dev %s", lifname))
return false;
return true;
}
static bool
handle_down(const struct lif_execute_opts *opts, struct lif_interface *iface, const char *lifname)
{
(void) iface;
if (!lif_execute_fmt(opts, NULL, "/sbin/ip link set down dev %s", lifname))
return false;
return true;
}
static bool
handle_post_down(const struct lif_execute_opts *opts, struct lif_interface *iface, const char *lifname)
{
(void) opts;
(void) iface;
(void) lifname;
return true;
}
bool
lif_lifecycle_run_phase(const struct lif_execute_opts *opts, struct lif_interface *iface, const char *phase, const char *lifname, bool up)
{
@ -210,29 +143,11 @@ lif_lifecycle_run_phase(const struct lif_execute_opts *opts, struct lif_interfac
lif_environment_push(&envp, envkey, (const char *) entry->data);
}
if (!strcmp(phase, "pre-up"))
{
if (!handle_pre_up(opts, iface, lifname))
goto on_error;
}
else if (!strcmp(phase, "up"))
{
if (!handle_up(opts, iface, lifname))
goto on_error;
}
else if (!strcmp(phase, "down"))
{
if (!handle_down(opts, iface, lifname))
goto on_error;
}
else if (!strcmp(phase, "post-down"))
{
if (!handle_post_down(opts, iface, lifname))
goto on_error;
}
if (!handle_executors_for_phase(opts, envp, iface))
goto handle_error;
handle_executors_for_phase(opts, envp, iface);
handle_commands_for_phase(opts, envp, iface, lifname, phase);
if (!handle_commands_for_phase(opts, envp, iface, lifname, phase))
goto handle_error;
/* we should do error handling here, but ifupdown1 doesn't */
lif_execute_fmt(opts, envp, "/bin/run-parts /etc/network/if-%s.d", phase);
@ -240,7 +155,7 @@ lif_lifecycle_run_phase(const struct lif_execute_opts *opts, struct lif_interfac
lif_environment_free(&envp);
return true;
on_error:
handle_error:
lif_environment_free(&envp);
return false;
}