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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
commit | a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch) | |
tree | 8feaf1a1932871b139b3b30be4c09c66489918be /ip/rtm_map.c | |
parent | Initial commit. (diff) | |
download | iproute2-upstream/6.1.0.tar.xz iproute2-upstream/6.1.0.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | ip/rtm_map.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/ip/rtm_map.c b/ip/rtm_map.c new file mode 100644 index 0000000..8d8eafe --- /dev/null +++ b/ip/rtm_map.c @@ -0,0 +1,129 @@ +/* + * rtm_map.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#include "rt_names.h" +#include "utils.h" + +char *rtnl_rtntype_n2a(int id, char *buf, int len) +{ + + if (numeric) { + snprintf(buf, len, "%d", id); + return buf; + } + + switch (id) { + case RTN_UNSPEC: + return "none"; + case RTN_UNICAST: + return "unicast"; + case RTN_LOCAL: + return "local"; + case RTN_BROADCAST: + return "broadcast"; + case RTN_ANYCAST: + return "anycast"; + case RTN_MULTICAST: + return "multicast"; + case RTN_BLACKHOLE: + return "blackhole"; + case RTN_UNREACHABLE: + return "unreachable"; + case RTN_PROHIBIT: + return "prohibit"; + case RTN_THROW: + return "throw"; + case RTN_NAT: + return "nat"; + case RTN_XRESOLVE: + return "xresolve"; + default: + snprintf(buf, len, "%d", id); + return buf; + } +} + + +int rtnl_rtntype_a2n(int *id, char *arg) +{ + char *end; + unsigned long res; + + if (strcmp(arg, "local") == 0) + res = RTN_LOCAL; + else if (strcmp(arg, "nat") == 0) + res = RTN_NAT; + else if (matches(arg, "broadcast") == 0 || + strcmp(arg, "brd") == 0) + res = RTN_BROADCAST; + else if (matches(arg, "anycast") == 0) + res = RTN_ANYCAST; + else if (matches(arg, "multicast") == 0) + res = RTN_MULTICAST; + else if (matches(arg, "prohibit") == 0) + res = RTN_PROHIBIT; + else if (matches(arg, "unreachable") == 0) + res = RTN_UNREACHABLE; + else if (matches(arg, "blackhole") == 0) + res = RTN_BLACKHOLE; + else if (matches(arg, "xresolve") == 0) + res = RTN_XRESOLVE; + else if (matches(arg, "unicast") == 0) + res = RTN_UNICAST; + else if (strcmp(arg, "throw") == 0) + res = RTN_THROW; + else { + res = strtoul(arg, &end, 0); + if (!end || end == arg || *end || res > 255) + return -1; + } + *id = res; + return 0; +} + +static int get_rt_realms(__u32 *realms, char *arg) +{ + __u32 realm = 0; + char *p = strchr(arg, '/'); + + *realms = 0; + if (p) { + *p = 0; + if (rtnl_rtrealm_a2n(realms, arg)) { + *p = '/'; + return -1; + } + *realms <<= 16; + *p = '/'; + arg = p+1; + } + if (*arg && rtnl_rtrealm_a2n(&realm, arg)) + return -1; + *realms |= realm; + return 0; +} + +int get_rt_realms_or_raw(__u32 *realms, char *arg) +{ + if (!get_rt_realms(realms, arg)) + return 0; + + return get_unsigned(realms, arg, 0); +} |