diff options
Diffstat (limited to 'kbx/keybox-search.c')
-rw-r--r-- | kbx/keybox-search.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/kbx/keybox-search.c b/kbx/keybox-search.c index 41fb83233..1c78caedd 100644 --- a/kbx/keybox-search.c +++ b/kbx/keybox-search.c @@ -30,6 +30,12 @@ *(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10)) #define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1)) +struct sn_array_s { + int snlen; + unsigned char *sn; +}; + + static ulong get32 (const byte *buffer) @@ -68,18 +74,14 @@ blob_get_type (KEYBOXBLOB blob) static int -blob_cmp_sn (KEYBOXBLOB blob, const unsigned char *sn) +blob_cmp_sn (KEYBOXBLOB blob, const unsigned char *sn, int snlen) { - size_t snlen; const unsigned char *buffer; size_t length; size_t pos, off; size_t nkeys, keyinfolen; size_t nserial; - snlen = (sn[0] << 24) | (sn[1] << 16) | (sn[2] << 8) | sn[3]; - sn += 4; - buffer = _keybox_get_blob_image (blob, &length); if (length < 40) return 0; /* blob too short */ @@ -284,7 +286,8 @@ has_issuer (KEYBOXBLOB blob, const char *name) } static int -has_issuer_sn (KEYBOXBLOB blob, const char *name, const unsigned char *sn) +has_issuer_sn (KEYBOXBLOB blob, const char *name, + const unsigned char *sn, int snlen) { size_t namelen; @@ -296,18 +299,18 @@ has_issuer_sn (KEYBOXBLOB blob, const char *name, const unsigned char *sn) namelen = strlen (name); - return (blob_cmp_sn (blob, sn) + return (blob_cmp_sn (blob, sn, snlen) && blob_cmp_name (blob, 0 /* issuer */, name, namelen)); } static int -has_sn (KEYBOXBLOB blob, const unsigned char *sn) +has_sn (KEYBOXBLOB blob, const unsigned char *sn, int snlen) { return_val_if_fail (sn, 0); if (blob_get_type (blob) != BLOBTYPE_X509) return 0; - return blob_cmp_sn (blob, sn); + return blob_cmp_sn (blob, sn, snlen); } static int @@ -357,12 +360,12 @@ has_mail (KEYBOXBLOB blob, const char *name) static void -release_sn_array (unsigned char **array, size_t size) +release_sn_array (struct sn_array_s *array, size_t size) { size_t n; for (n=0; n < size; n++) - xfree (array[n]); + xfree (array[n].sn); xfree (array); } @@ -402,7 +405,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) size_t n; int need_words, any_skip; KEYBOXBLOB blob = NULL; - unsigned char **sn_array = NULL; + struct sn_array_s *sn_array = NULL; if (!hd) return KEYBOX_Invalid_Value; @@ -437,7 +440,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) } if (desc[n].skipfnc) any_skip = 1; - if (desc[n].sn_is_string && !sn_array) + if (desc[n].snlen == -1 && !sn_array) { sn_array = xtrycalloc (ndesc, sizeof *sn_array); if (!sn_array) @@ -469,7 +472,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) { if (!desc[n].sn) ; - else if (desc[n].sn_is_string) + else if (desc[n].snlen == -1) { unsigned char *sn; @@ -478,13 +481,14 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) ; odd = (i & 1); snlen = (i+1)/2; - sn_array[n] = xtrymalloc (4+snlen); - if (!sn_array[n]) + sn_array[n].sn = xtrymalloc (snlen); + if (!sn_array[n].sn) { release_sn_array (sn_array, n); return (hd->error = KEYBOX_Out_Of_Core); } - sn = sn_array[n] + 4; + sn_array[n].snlen = snlen; + sn = sn_array[n].sn; s = desc[n].sn; if (odd) { @@ -493,26 +497,21 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) } for (; *s && *s != '/'; s += 2) *sn++ = xtoi_2 (s); - assert (sn - sn_array[n] == 4+snlen); - sn = sn_array[n]; - sn[0] = snlen >> 24; - sn[1] = snlen >> 16; - sn[2] = snlen >> 8; - sn[3] = snlen; } else { const unsigned char *sn; sn = desc[n].sn; - snlen = (sn[0] << 24) | (sn[1] << 16) | (sn[2] << 8) | sn[3]; - sn_array[n] = xtrymalloc (4+snlen); - if (!sn_array[n]) + snlen = desc[n].snlen; + sn_array[n].sn = xtrymalloc (snlen); + if (!sn_array[n].sn) { release_sn_array (sn_array, n); return (hd->error = KEYBOX_Out_Of_Core); } - memcpy (sn_array[n], sn, 4+snlen); + sn_array[n].snlen = snlen; + memcpy (sn_array[n].sn, sn, snlen); } } } @@ -552,11 +551,13 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc) break; case KEYDB_SEARCH_MODE_ISSUER_SN: if (has_issuer_sn (blob, desc[n].u.name, - sn_array? sn_array[n] : desc[n].sn)) + sn_array? sn_array[n].sn : desc[n].sn, + sn_array? sn_array[n].snlen : desc[n].snlen)) goto found; break; case KEYDB_SEARCH_MODE_SN: - if (has_sn (blob, sn_array? sn_array[n] : desc[n].sn)) + if (has_sn (blob, sn_array? sn_array[n].sn : desc[n].sn, + sn_array? sn_array[n].snlen : desc[n].snlen)) goto found; break; case KEYDB_SEARCH_MODE_SUBJECT: |