]> rtime.felk.cvut.cz Git - lisovros/iproute2_canprio.git/blobdiff - ip/xfrm_state.c
libnetlink: remove unused junk callback
[lisovros/iproute2_canprio.git] / ip / xfrm_state.c
index 38d40391e3839dd51b1a9250170253d34ea2f67a..0d98e78729da01595787c166dcf5df0c00de6d98 100644 (file)
 #define NLMSG_BUF_SIZE 4096
 #define RTA_BUF_SIZE 2048
 #define XFRM_ALGO_KEY_BUF_SIZE 512
+#define CTX_BUF_SIZE 256
 
 static void usage(void) __attribute__((noreturn));
 
 static void usage(void)
 {
-       fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ XFRM_OPT ] [ mode MODE ]\n");
-       fprintf(stderr, "        [ reqid REQID ] [ seq SEQ ] [ replay-window SIZE ] [ flag FLAG-LIST ]\n");
-       fprintf(stderr, "        [ encap ENCAP ] [ sel SELECTOR ] [ replay-seq SEQ ]\n");
-       fprintf(stderr, "        [ replay-oseq SEQ ] [ LIMIT-LIST ]\n");
-       fprintf(stderr, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ reqid REQID ] [ seq SEQ ]\n");
-       fprintf(stderr, "        [ min SPI max SPI ]\n");
-       fprintf(stderr, "Usage: ip xfrm state { delete | get } ID\n");
+       fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ ALGO-LIST ] [ mode MODE ]\n");
+       fprintf(stderr, "        [ mark MARK [ mask MASK ] ] [ reqid REQID ] [ seq SEQ ]\n");
+       fprintf(stderr, "        [ replay-window SIZE ] [ replay-seq SEQ ] [ replay-oseq SEQ ]\n");
+       fprintf(stderr, "        [ flag FLAG-LIST ] [ sel SELECTOR ] [ LIMIT-LIST ] [ encap ENCAP ]\n");
+       fprintf(stderr, "        [ coa ADDR[/PLEN] ] [ ctx CTX ]\n");
+       fprintf(stderr, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ mark MARK [ mask MASK ] ]\n");
+       fprintf(stderr, "        [ reqid REQID ] [ seq SEQ ] [ min SPI max SPI ]\n");
+       fprintf(stderr, "Usage: ip xfrm state { delete | get } ID [ mark MARK [ mask MASK ] ]\n");
        fprintf(stderr, "Usage: ip xfrm state { deleteall | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n");
        fprintf(stderr, "        [ flag FLAG-LIST ]\n");
-       fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM_PROTO ]\n");
-       fprintf(stderr, "Usage: ip xfrm state count \n");
-
-       fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ] [mark MARK [mask MASK]]\n");
-       //fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n");
-       fprintf(stderr, "XFRM_PROTO := [ ");
+       fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM-PROTO ]\n");
+       fprintf(stderr, "Usage: ip xfrm state count\n");
+       fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n");
+       fprintf(stderr, "XFRM-PROTO := ");
        fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP));
        fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH));
        fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_COMP));
        fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ROUTING));
-       fprintf(stderr, "%s ", strxf_xfrmproto(IPPROTO_DSTOPTS));
-       fprintf(stderr, "]\n");
-
-       //fprintf(stderr, "SPI - security parameter index(default=0)\n");
-
-       fprintf(stderr, "MODE := [ transport | tunnel | ro | beet ](default=transport)\n");
-       //fprintf(stderr, "REQID - number(default=0)\n");
-
-       fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
-       fprintf(stderr, "FLAG := [ noecn | decap-dscp | nopmtudisc | wildrecv | icmp | af-unspec ]\n");
-
-        fprintf(stderr, "ENCAP := ENCAP-TYPE SPORT DPORT OADDR\n");
-        fprintf(stderr, "ENCAP-TYPE := espinudp | espinudp-nonike\n");
-
-       fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] | [ ALGO ]\n");
-       fprintf(stderr, "ALGO := ALGO_TYPE ALGO_NAME ALGO_KEY "
-                       "[ ALGO_ICV_LEN ]\n");
-       fprintf(stderr, "ALGO_TYPE := [ ");
-       fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_AEAD));
+       fprintf(stderr, "%s\n", strxf_xfrmproto(IPPROTO_DSTOPTS));
+       fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] ALGO\n");
+       fprintf(stderr, "ALGO := { ");
        fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT));
        fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_AUTH));
-       fprintf(stderr, "%s ", strxf_algotype(XFRMA_ALG_COMP));
-       fprintf(stderr, "]\n");
-
-       //fprintf(stderr, "ALGO_NAME - algorithm name\n");
-       //fprintf(stderr, "ALGO_KEY - algorithm key\n");
-
-       fprintf(stderr, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ UPSPEC ] [ dev DEV ]\n");
-
-       fprintf(stderr, "UPSPEC := proto PROTO [ [ sport PORT ] [ dport PORT ] |\n");
-       fprintf(stderr, "                        [ type NUMBER ] [ code NUMBER ] ]\n");
-
+       fprintf(stderr, "%s", strxf_algotype(XFRMA_ALG_COMP));
+       fprintf(stderr, " } ALGO-NAME ALGO-KEY |\n");
+       fprintf(stderr, "        %s", strxf_algotype(XFRMA_ALG_AEAD));
+       fprintf(stderr, " ALGO-NAME ALGO-KEY ALGO-ICV-LEN |\n");
+       fprintf(stderr, "        %s", strxf_algotype(XFRMA_ALG_AUTH_TRUNC));
+       fprintf(stderr, " ALGO-NAME ALGO-KEY ALGO-TRUNC-LEN\n");
+       fprintf(stderr, "MODE := transport | tunnel | ro | in_trigger | beet\n");
+       fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
+       fprintf(stderr, "FLAG := noecn | decap-dscp | nopmtudisc | wildrecv | icmp | af-unspec | align4\n");
+       fprintf(stderr, "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n");
+       fprintf(stderr, "UPSPEC := proto { { ");
+       fprintf(stderr, "%s | ", strxf_proto(IPPROTO_TCP));
+       fprintf(stderr, "%s | ", strxf_proto(IPPROTO_UDP));
+       fprintf(stderr, "%s | ", strxf_proto(IPPROTO_SCTP));
+       fprintf(stderr, "%s", strxf_proto(IPPROTO_DCCP));
+       fprintf(stderr, " } [ sport PORT ] [ dport PORT ] |\n");
+       fprintf(stderr, "                  { ");
+       fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMP));
+       fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMPV6));
+       fprintf(stderr, "%s", strxf_proto(IPPROTO_MH));
+       fprintf(stderr, " } [ type NUMBER ] [ code NUMBER ] |\n");
+       fprintf(stderr, "                  %s", strxf_proto(IPPROTO_GRE));
+       fprintf(stderr, " [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n");
+       fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n");
+       fprintf(stderr, "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n");
+       fprintf(stderr, "         { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n");
+        fprintf(stderr, "ENCAP := { espinudp | espinudp-nonike } SPORT DPORT OADDR\n");
 
-       //fprintf(stderr, "DEV - device name(default=none)\n");
-       fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] | [ limit LIMIT ]\n");
-       fprintf(stderr, "LIMIT := [ [time-soft|time-hard|time-use-soft|time-use-hard] SECONDS ] |\n");
-       fprintf(stderr, "         [ [byte-soft|byte-hard] SIZE ] | [ [packet-soft|packet-hard] COUNT ]\n");
        exit(-1);
 }
 
@@ -122,7 +118,7 @@ static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
 
 #if 0
        /* XXX: verifying both name and key is required! */
-       fprintf(stderr, "warning: ALGONAME/ALGOKEY will send to kernel promiscuously!(verifying them isn't implemented yet)\n");
+       fprintf(stderr, "warning: ALGO-NAME/ALGO-KEY will send to kernel promiscuously! (verifying them isn't implemented yet)\n");
 #endif
 
        strncpy(alg->alg_name, name, sizeof(alg->alg_name));
@@ -142,7 +138,7 @@ static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
                /* calculate length of the converted values(real key) */
                len = (plen + 1) / 2;
                if (len > max)
-                       invarg("\"ALGOKEY\" makes buffer overflow\n", key);
+                       invarg("\"ALGO-KEY\" makes buffer overflow\n", key);
 
                for (i = - (plen % 2), j = 0; j < len; i += 2, j++) {
                        char vbuf[3];
@@ -153,7 +149,7 @@ static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
                        vbuf[2] = '\0';
 
                        if (get_u8(&val, vbuf, 16))
-                               invarg("\"ALGOKEY\" is invalid", key);
+                               invarg("\"ALGO-KEY\" is invalid", key);
 
                        buf[j] = val;
                }
@@ -161,7 +157,7 @@ static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
                len = slen;
                if (len > 0) {
                        if (len > max)
-                               invarg("\"ALGOKEY\" makes buffer overflow\n", key);
+                               invarg("\"ALGO-KEY\" makes buffer overflow\n", key);
 
                        strncpy(buf, key, len);
                }
@@ -214,6 +210,8 @@ static int xfrm_state_flag_parse(__u8 *flags, int *argcp, char ***argvp)
                                *flags |= XFRM_STATE_ICMP;
                        else if (strcmp(*argv, "af-unspec") == 0)
                                *flags |= XFRM_STATE_AF_UNSPEC;
+                       else if (strcmp(*argv, "align4") == 0)
+                               *flags |= XFRM_STATE_ALIGN4;
                        else {
                                PREV_ARG(); /* back track */
                                break;
@@ -246,10 +244,16 @@ static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
        char *aalgop = NULL;
        char *calgop = NULL;
        char *coap = NULL;
+       char *sctxp = NULL;
        struct xfrm_mark mark = {0, 0};
+       struct {
+               struct xfrm_user_sec_ctx sctx;
+               char    str[CTX_BUF_SIZE];
+       } ctx;
 
        memset(&req, 0, sizeof(req));
        memset(&replay, 0, sizeof(replay));
+       memset(&ctx, 0, sizeof(ctx));
 
        req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo));
        req.n.nlmsg_flags = NLM_F_REQUEST|flags;
@@ -333,6 +337,19 @@ static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
 
                        addattr_l(&req.n, sizeof(req.buf), XFRMA_COADDR,
                                  (void *)&xcoa, sizeof(xcoa));
+               } else if (strcmp(*argv, "ctx") == 0) {
+                       char *context;
+
+                       if (sctxp)
+                               duparg("ctx", *argv);
+                       sctxp = *argv;
+
+                       NEXT_ARG();
+                       context = *argv;
+
+                       xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
+                       addattr_l(&req.n, sizeof(req.buf), XFRMA_SEC_CTX,
+                                 (void *)&ctx, ctx.sctx.len);
                } else {
                        /* try to assume ALGO */
                        int type = xfrm_algotype_getbyname(*argv);
@@ -340,6 +357,7 @@ static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
                        case XFRMA_ALG_AEAD:
                        case XFRMA_ALG_CRYPT:
                        case XFRMA_ALG_AUTH:
+                       case XFRMA_ALG_AUTH_TRUNC:
                        case XFRMA_ALG_COMP:
                        {
                                /* ALGO */
@@ -347,11 +365,12 @@ static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
                                        union {
                                                struct xfrm_algo alg;
                                                struct xfrm_algo_aead aead;
+                                               struct xfrm_algo_auth auth;
                                        } u;
                                        char buf[XFRM_ALGO_KEY_BUF_SIZE];
                                } alg = {};
                                int len;
-                               __u32 icvlen;
+                               __u32 icvlen, trunclen;
                                char *name;
                                char *key;
                                char *buf;
@@ -359,57 +378,70 @@ static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
                                switch (type) {
                                case XFRMA_ALG_AEAD:
                                        if (aeadop)
-                                               duparg("ALGOTYPE", *argv);
+                                               duparg("ALGO-TYPE", *argv);
                                        aeadop = *argv;
                                        break;
                                case XFRMA_ALG_CRYPT:
                                        if (ealgop)
-                                               duparg("ALGOTYPE", *argv);
+                                               duparg("ALGO-TYPE", *argv);
                                        ealgop = *argv;
                                        break;
                                case XFRMA_ALG_AUTH:
+                               case XFRMA_ALG_AUTH_TRUNC:
                                        if (aalgop)
-                                               duparg("ALGOTYPE", *argv);
+                                               duparg("ALGO-TYPE", *argv);
                                        aalgop = *argv;
                                        break;
                                case XFRMA_ALG_COMP:
                                        if (calgop)
-                                               duparg("ALGOTYPE", *argv);
+                                               duparg("ALGO-TYPE", *argv);
                                        calgop = *argv;
                                        break;
                                default:
                                        /* not reached */
-                                       invarg("\"ALGOTYPE\" is invalid\n", *argv);
+                                       invarg("\"ALGO-TYPE\" is invalid\n", *argv);
                                }
 
                                if (!NEXT_ARG_OK())
-                                       missarg("ALGONAME");
+                                       missarg("ALGO-NAME");
                                NEXT_ARG();
                                name = *argv;
 
                                if (!NEXT_ARG_OK())
-                                       missarg("ALGOKEY");
+                                       missarg("ALGO-KEY");
                                NEXT_ARG();
                                key = *argv;
 
                                buf = alg.u.alg.alg_key;
                                len = sizeof(alg.u.alg);
 
-                               if (type != XFRMA_ALG_AEAD)
-                                       goto parse_algo;
-
-                               if (!NEXT_ARG_OK())
-                                       missarg("ALGOICVLEN");
-                               NEXT_ARG();
-                               if (get_u32(&icvlen, *argv, 0))
-                                       invarg("\"aead\" ICV length is invalid",
-                                              *argv);
-                               alg.u.aead.alg_icv_len = icvlen;
-
-                               buf = alg.u.aead.alg_key;
-                               len = sizeof(alg.u.aead);
+                               switch (type) {
+                               case XFRMA_ALG_AEAD:
+                                       if (!NEXT_ARG_OK())
+                                               missarg("ALGO-ICV-LEN");
+                                       NEXT_ARG();
+                                       if (get_u32(&icvlen, *argv, 0))
+                                               invarg("\"aead\" ICV length is invalid",
+                                                      *argv);
+                                       alg.u.aead.alg_icv_len = icvlen;
+
+                                       buf = alg.u.aead.alg_key;
+                                       len = sizeof(alg.u.aead);
+                                       break;
+                               case XFRMA_ALG_AUTH_TRUNC:
+                                       if (!NEXT_ARG_OK())
+                                               missarg("ALGO-TRUNC-LEN");
+                                       NEXT_ARG();
+                                       if (get_u32(&trunclen, *argv, 0))
+                                               invarg("\"auth\" trunc length is invalid",
+                                                      *argv);
+                                       alg.u.auth.alg_trunc_len = trunclen;
+
+                                       buf = alg.u.auth.alg_key;
+                                       len = sizeof(alg.u.auth);
+                                       break;
+                               }
 
-parse_algo:
                                xfrm_algo_parse((void *)&alg, type, name, key,
                                                buf, sizeof(alg.buf));
                                len += alg.u.alg.alg_key_len;
@@ -512,7 +544,7 @@ parse_algo:
        if (req.xsinfo.family == AF_UNSPEC)
                req.xsinfo.family = AF_INET;
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+       if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
                exit(2);
 
        rtnl_close(&rth);
@@ -611,7 +643,7 @@ static int xfrm_state_allocspi(int argc, char **argv)
                        exit(1);
                }
                if (req.xspi.min > req.xspi.max) {
-                       fprintf(stderr, "\"min\" valie is larger than \"max\" one\n");
+                       fprintf(stderr, "\"min\" value is larger than \"max\" value\n");
                        exit(1);
                }
        } else {
@@ -649,7 +681,7 @@ static int xfrm_state_allocspi(int argc, char **argv)
                req.xspi.info.family = AF_INET;
 
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, res_n, NULL, NULL) < 0)
+       if (rtnl_talk(&rth, &req.n, 0, 0, res_n) < 0)
                exit(2);
 
        if (xfrm_state_print(NULL, res_n, (void*)stdout) < 0) {
@@ -839,7 +871,7 @@ static int xfrm_state_get_or_delete(int argc, char **argv, int delete)
                req.xsid.family = AF_INET;
 
        if (delete) {
-               if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+               if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
                        exit(2);
        } else {
                char buf[NLMSG_BUF_SIZE];
@@ -847,7 +879,7 @@ static int xfrm_state_get_or_delete(int argc, char **argv, int delete)
 
                memset(buf, 0, sizeof(buf));
 
-               if (rtnl_talk(&rth, &req.n, 0, 0, res_n, NULL, NULL) < 0)
+               if (rtnl_talk(&rth, &req.n, 0, 0, res_n) < 0)
                        exit(2);
 
                if (xfrm_state_print(NULL, res_n, (void*)stdout) < 0) {
@@ -983,7 +1015,7 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
                                exit(1);
                        }
 
-                       if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb, NULL, NULL) < 0) {
+                       if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb) < 0) {
                                fprintf(stderr, "Delete-all terminated\n");
                                exit(1);
                        }
@@ -1010,7 +1042,7 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
                        exit(1);
                }
 
-               if (rtnl_dump_filter(&rth, xfrm_state_print, stdout, NULL, NULL) < 0) {
+               if (rtnl_dump_filter(&rth, xfrm_state_print, stdout) < 0) {
                        fprintf(stderr, "Dump terminated\n");
                        exit(1);
                }
@@ -1088,7 +1120,7 @@ static int xfrm_sad_getinfo(int argc, char **argv)
        if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
                exit(1);
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, &req.n, NULL, NULL) < 0)
+       if (rtnl_talk(&rth, &req.n, 0, 0, &req.n) < 0)
                exit(2);
 
        print_sadinfo(&req.n, (void*)stdout);
@@ -1126,7 +1158,7 @@ static int xfrm_state_flush(int argc, char **argv)
 
                        ret = xfrm_xfrmproto_getbyname(*argv);
                        if (ret < 0)
-                               invarg("\"XFRM_PROTO\" is invalid", *argv);
+                               invarg("\"XFRM-PROTO\" is invalid", *argv);
 
                        req.xsf.proto = (__u8)ret;
                } else
@@ -1142,7 +1174,7 @@ static int xfrm_state_flush(int argc, char **argv)
                fprintf(stderr, "Flush state proto=%s\n",
                        strxf_xfrmproto(req.xsf.proto));
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+       if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
                exit(2);
 
        rtnl_close(&rth);