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-rw-r--r--rp/utils/find_roa.c356
1 files changed, 0 insertions, 356 deletions
diff --git a/rp/utils/find_roa.c b/rp/utils/find_roa.c
deleted file mode 100644
index a14242c8..00000000
--- a/rp/utils/find_roa.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * Copyright (C) 2014 Dragon Research Labs ("DRL")
- * Portions copyright (C) 2006--2008 American Registry for Internet Numbers ("ARIN")
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notices and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND DRL AND ARIN DISCLAIM ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DRL OR
- * ARIN BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
- * OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id$ */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <string.h>
-#include <dirent.h>
-#include <limits.h>
-
-#include <openssl/bio.h>
-#include <openssl/pem.h>
-#include <openssl/err.h>
-#include <openssl/x509.h>
-#include <openssl/x509v3.h>
-#include <openssl/safestack.h>
-#include <openssl/conf.h>
-#include <openssl/rand.h>
-#include <openssl/asn1.h>
-#include <openssl/asn1t.h>
-#include <openssl/cms.h>
-
-#include <rpki/roa.h>
-
-#ifndef FILENAME_MAX
-#define FILENAME_MAX 1024
-#endif
-
-#ifndef ADDR_RAW_BUF_LEN
-#define ADDR_RAW_BUF_LEN 16
-#endif
-
-
-
-/*
- * Error handling.
- */
-
-#define _lose(_msg_, _file_) \
- do { \
- if (_file_) \
- fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, _msg_, _file_); \
- else \
- fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, _msg_); \
- fprintf(stderr, "%s: %s\n", _msg_, _file_); \
- } while (0)
-
-#define lose(_msg_, _file_) \
- do { \
- _lose(_msg_, _file_); \
- goto done; \
- } while (0)
-
-#define lose_errno(_msg_, _file_) \
- do { \
- _lose(_msg_, _file_); \
- perror(NULL); \
- goto done; \
- } while (0)
-
-#define lose_openssl(_msg_, _file_) \
- do { \
- _lose(_msg_, _file_); \
- ERR_print_errors_fp(stderr); \
- goto done; \
- } while (0)
-
-
-/*
- * Extract a ROA prefix from the ASN.1 bitstring encoding.
- */
-static int extract_roa_prefix(unsigned char *addr,
- unsigned *prefixlen,
- const ASN1_BIT_STRING *bs,
- const unsigned afi)
-{
- unsigned length;
-
- switch (afi) {
- case IANA_AFI_IPV4: length = 4; break;
- case IANA_AFI_IPV6: length = 16; break;
- default: return 0;
- }
-
- if (bs->length < 0 || bs->length > length)
- return 0;
-
- if (bs->length > 0) {
- memcpy(addr, bs->data, bs->length);
- if ((bs->flags & 7) != 0) {
- unsigned char mask = 0xFF >> (8 - (bs->flags & 7));
- addr[bs->length - 1] &= ~mask;
- }
- }
-
- memset(addr + bs->length, 0, length - bs->length);
-
- *prefixlen = (bs->length * 8) - (bs->flags & 7);
-
- return 1;
-}
-
-/*
- * Check str for a trailing suffix.
- */
-static int has_suffix(const char *str, const char *suffix)
-{
- size_t len_str, len_suffix;
- assert(str != NULL && suffix != NULL);
- len_str = strlen(str);
- len_suffix = strlen(suffix);
- return len_str >= len_suffix && !strcmp(str + len_str - len_suffix, suffix);
-}
-
-/*
- * Handle one object.
- */
-static void file_handler(const char *filename, const unsigned prefix_afi, const unsigned char *prefix, const unsigned long prefixlen)
-{
- unsigned char roa_prefix[ADDR_RAW_BUF_LEN];
- unsigned roa_prefixlen, roa_maxprefixlen, plen;
- CMS_ContentInfo *cms = NULL;
- BIO *b = NULL;
- ROA *r = NULL;
- int i, j, k, n;
- unsigned long asid;
-
- if (!(b = BIO_new_file(filename, "rb")))
- lose_openssl("Couldn't open CMS file", filename);
-
- if ((cms = d2i_CMS_bio(b, NULL)) == NULL)
- lose_openssl("Couldn't read CMS file", filename);
-
- BIO_free(b);
-
- if ((b = BIO_new(BIO_s_mem())) == NULL)
- lose_openssl("Couldn't open ROA", filename);
-
- if (CMS_verify(cms, NULL, NULL, NULL, b, CMS_NOCRL | CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY | CMS_NO_CONTENT_VERIFY) <= 0)
- lose_openssl("Couldn't parse ROA CMS", filename);
-
- if ((r = ASN1_item_d2i_bio(ASN1_ITEM_rptr(ROA), b, NULL)) == NULL)
- lose_openssl("Couldn't parse ROA", filename);
-
- asid = (unsigned long) ASN1_INTEGER_get(r->asID);
-
- for (i = 0; i < sk_ROAIPAddressFamily_num(r->ipAddrBlocks); i++) {
- ROAIPAddressFamily *f = sk_ROAIPAddressFamily_value(r->ipAddrBlocks, i);
-
- /*
- * AFI must match, SAFI must be null
- */
- if (f->addressFamily->length != 2 ||
- prefix_afi != ((f->addressFamily->data[0] << 8) | (f->addressFamily->data[1])))
- continue;
-
- for (j = 0; j < sk_ROAIPAddress_num(f->addresses); j++) {
- ROAIPAddress *a = sk_ROAIPAddress_value(f->addresses, j);
-
- if (!extract_roa_prefix(roa_prefix, &roa_prefixlen, a->IPAddress, prefix_afi))
- lose("Malformed ROA", filename);
-
- /*
- * If the prefix we're looking for is bigger than the ROA
- * prefix, the ROA can't possibly cover.
- */
- if (prefixlen < roa_prefixlen)
- continue;
-
- if (a->maxLength)
- roa_maxprefixlen = ASN1_INTEGER_get(a->maxLength);
- else
- roa_maxprefixlen = roa_prefixlen;
-
- /*
- * If the prefix we're looking for is smaller than the smallest
- * allowed slice of the ROA prefix, the ROA can't possibly
- * cover.
- */
- if (prefixlen > roa_maxprefixlen)
- continue;
-
- /*
- * If we get this far, we have to compare prefixes.
- */
- assert(roa_prefixlen <= ADDR_RAW_BUF_LEN * 8);
- plen = prefixlen < roa_prefixlen ? prefixlen : roa_prefixlen;
- k = 0;
- while (plen >= 8 && prefix[k] == roa_prefix[k]) {
- plen -= 8;
- k++;
- }
- if (plen > 8 || ((prefix[k] ^ roa_prefix[k]) & (0xFF << (8 - plen))) != 0)
- continue;
-
- /*
- * If we get here, we have a match.
- */
- printf("ASN %lu prefix ", asid);
- switch (prefix_afi) {
- case IANA_AFI_IPV4:
- printf("%u.%u.%u.%u", prefix[0], prefix[1], prefix[2], prefix[3]);
- break;
- case IANA_AFI_IPV6:
- for (n = 16; n > 1 && prefix[n-1] == 0x00 && prefix[n-2] == 0x00; n -= 2)
- ;
- for (k = 0; k < n; k += 2)
- printf("%x%s", (prefix[k] << 8) | prefix[k+1], (k < 14 ? ":" : ""));
- if (k < 16)
- printf(":");
- break;
- }
- printf("/%lu ROA %s\n", prefixlen, filename);
- goto done;
- }
- }
-
- done:
- BIO_free(b);
- CMS_ContentInfo_free(cms);
- ROA_free(r);
-}
-
-/*
- * Walk a directory tree
- */
-static int handle_directory(const char *name, const unsigned prefix_afi, const unsigned char *prefix, const unsigned long prefixlen)
-{
- char path[FILENAME_MAX];
- struct dirent *d;
- size_t len;
- DIR *dir;
- int ret = 0, need_slash;
-
- assert(name);
- len = strlen(name);
- assert(len > 0 && len < sizeof(path));
- need_slash = name[len - 1] != '/';
-
- if ((dir = opendir(name)) == NULL)
- lose_errno("Couldn't open directory", name);
-
- while ((d = readdir(dir)) != NULL) {
- if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
- continue;
- if (len + strlen(d->d_name) + need_slash >= sizeof(path))
- lose("Constructed path name too long", d->d_name);
- strcpy(path, name);
- if (need_slash)
- strcat(path, "/");
- strcat(path, d->d_name);
- switch (d->d_type) {
- case DT_DIR:
- if (!handle_directory(path, prefix_afi, prefix, prefixlen))
- lose("Directory walk failed", path);
- continue;
- default:
- if (has_suffix(path, ".roa"))
- file_handler(path, prefix_afi, prefix, prefixlen);
- continue;
- }
- }
-
- ret = 1;
-
- done:
- if (dir)
- closedir(dir);
- return ret;
-}
-
-static void usage (const char *jane, const int code)
-{
- fprintf(code ? stderr : stdout, "usage: %s authtree prefix [prefix...]\n", jane);
- exit(code);
-}
-
-int main (int argc, char *argv[])
-{
- unsigned char prefix[ADDR_RAW_BUF_LEN];
- unsigned long prefixlen;
- unsigned afi;
- char *s = NULL, *p = NULL;
- int i, len, ret = 1;
-
- if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")))
- usage(argv[0], 0);
-
- if (argc < 3)
- usage(argv[0], 1);
-
- OpenSSL_add_all_algorithms();
- ERR_load_crypto_strings();
-
- for (i = 2; i < argc; i++) {
-
- if ((s = strdup(argv[i])) == NULL)
- lose("Couldn't strdup()", argv[i]);
-
- if ((p = strchr(s, '/')) != NULL)
- *p++ = '\0';
-
- len = a2i_ipadd(prefix, s);
-
- switch (len) {
- case 4: afi = IANA_AFI_IPV4; break;
- case 16: afi = IANA_AFI_IPV6; break;
- default: lose("Unknown AFI", argv[i]);
- }
-
- if (p) {
- if (*p == '\0' ||
- (prefixlen = strtoul(p, &p, 10)) == ULONG_MAX ||
- *p != '\0' ||
- prefixlen > ADDR_RAW_BUF_LEN * 8)
- lose("Bad prefix length", argv[i]);
- } else {
- prefixlen = len * 8;
- }
-
- assert(prefixlen <= ADDR_RAW_BUF_LEN * 8);
-
- free(s);
- p = s = NULL;
-
- if (!handle_directory(argv[1], afi, prefix, prefixlen))
- goto done;
-
- }
-
- ret = 0;
-
- done:
- if (s)
- free(s);
- return ret;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 10:40:58 +0000