diff options
| author | Hans Dedecker <dedeckeh@gmail.com> | 2017-01-19 15:59:54 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-01-25 09:35:27 +0100 |
| commit | 650758b16e5185505a3fbc1307949340af70b611 (patch) | |
| tree | b8fdadfb813f45d8f96186c8f71ba61edba14e64 /system-linux.c | |
| parent | a057f6e48f383c7e81cb22aa806216878d87947b (diff) | |
interface-ip: route proto config support (FS#170)
Route proto support is usefull when using route distribution
via a routing daemon.
The route proto parameter can be specified via the route proto
uci config parameter, it can hold a numerical value or the string
values unspec, kernel, boot, static or a string present in
/etc/iproute2/rt_protos.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'system-linux.c')
| -rw-r--r-- | system-linux.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/system-linux.c b/system-linux.c index 2f15bf1..fcd1b2e 100644 --- a/system-linux.c +++ b/system-linux.c @@ -52,7 +52,6 @@ #define IFA_FLAGS (IFA_MULTICAST + 1) #endif - #include <string.h> #include <fcntl.h> #include <glob.h> @@ -1782,7 +1781,7 @@ static int system_rt(struct device *dev, struct device_route *route, int cmd) .rtm_dst_len = route->mask, .rtm_src_len = route->sourcemask, .rtm_table = (table < 256) ? table : RT_TABLE_UNSPEC, - .rtm_protocol = (route->flags & DEVADDR_KERNEL) ? RTPROT_KERNEL : RTPROT_STATIC, + .rtm_protocol = (route->flags & DEVROUTE_PROTO) ? route->proto : RTPROT_STATIC, .rtm_scope = RT_SCOPE_NOWHERE, .rtm_type = (cmd == RTM_DELROUTE) ? 0: RTN_UNICAST, .rtm_flags = (route->flags & DEVROUTE_ONLINK) ? RTNH_F_ONLINK : 0, @@ -1900,6 +1899,45 @@ bool system_resolve_rt_type(const char *type, unsigned int *id) return system_rtn_aton(type, id); } +bool system_resolve_rt_proto(const char *type, unsigned int *id) +{ + FILE *f; + char *e, buf[128]; + unsigned int n, proto = 256; + + if ((n = strtoul(type, &e, 0)) >= 0 && !*e && e != type) + proto = n; + else if (!strcmp(type, "unspec")) + proto = RTPROT_UNSPEC; + else if (!strcmp(type, "kernel")) + proto = RTPROT_KERNEL; + else if (!strcmp(type, "boot")) + proto = RTPROT_BOOT; + else if (!strcmp(type, "static")) + proto = RTPROT_STATIC; + else if ((f = fopen("/etc/iproute2/rt_protos", "r")) != NULL) { + while (fgets(buf, sizeof(buf) - 1, f) != NULL) { + if ((e = strtok(buf, " \t\n")) == NULL || *e == '#') + continue; + + n = strtoul(e, NULL, 10); + e = strtok(NULL, " \t\n"); + + if (e && !strcmp(e, type)) { + proto = n; + break; + } + } + fclose(f); + } + + if (proto > 255) + return false; + + *id = proto; + return true; +} + bool system_resolve_rt_table(const char *name, unsigned int *id) { FILE *f; |