diff options
Diffstat (limited to 'source3/tdb')
| -rw-r--r-- | source3/tdb/tdbutil.c | 151 |
1 files changed, 145 insertions, 6 deletions
diff --git a/source3/tdb/tdbutil.c b/source3/tdb/tdbutil.c index 49005f8765..69b282cda0 100644 --- a/source3/tdb/tdbutil.c +++ b/source3/tdb/tdbutil.c @@ -387,6 +387,7 @@ BOOL tdb_change_uint32_atomic(TDB_CONTEXT *tdb, const char *keystr, uint32 *oldv size_t tdb_pack(char *buf, int bufsize, const char *fmt, ...) { va_list ap; + uint8 bt; uint16 w; uint32 d; int i; @@ -402,40 +403,46 @@ size_t tdb_pack(char *buf, int bufsize, const char *fmt, ...) while (*fmt) { switch ((c = *fmt++)) { - case 'w': + case 'b': /* unsigned 8-bit integer */ + len = 1; + bt = (uint8)va_arg(ap, int); + if (bufsize && bufsize >= len) + SSVAL(buf, 0, bt); + break; + case 'w': /* unsigned 16-bit integer */ len = 2; w = (uint16)va_arg(ap, int); if (bufsize && bufsize >= len) SSVAL(buf, 0, w); break; - case 'd': + case 'd': /* signed 32-bit integer (standard int in most systems) */ len = 4; d = va_arg(ap, uint32); if (bufsize && bufsize >= len) SIVAL(buf, 0, d); break; - case 'p': + case 'p': /* pointer */ len = 4; p = va_arg(ap, void *); d = p?1:0; if (bufsize && bufsize >= len) SIVAL(buf, 0, d); break; - case 'P': + case 'P': /* null-terminated string */ s = va_arg(ap,char *); w = strlen(s); len = w + 1; if (bufsize && bufsize >= len) memcpy(buf, s, len); break; - case 'f': + case 'f': /* null-terminated string */ s = va_arg(ap,char *); w = strlen(s); len = w + 1; if (bufsize && bufsize >= len) memcpy(buf, s, len); break; - case 'B': + case 'B': /* fixed-length string */ i = va_arg(ap, int); s = va_arg(ap, char *); len = 4+i; @@ -474,6 +481,7 @@ size_t tdb_pack(char *buf, int bufsize, const char *fmt, ...) int tdb_unpack(char *buf, int bufsize, const char *fmt, ...) { va_list ap; + uint8 *bt; uint16 *w; uint32 *d; int len; @@ -489,6 +497,13 @@ int tdb_unpack(char *buf, int bufsize, const char *fmt, ...) while (*fmt) { switch ((c=*fmt++)) { + case 'b': + len = 1; + bt = va_arg(ap, uint8 *); + if (bufsize < len) + goto no_space; + *bt = SVAL(buf, 0); + break; case 'w': len = 2; w = va_arg(ap, uint16 *); @@ -566,6 +581,130 @@ int tdb_unpack(char *buf, int bufsize, const char *fmt, ...) return -1; } + +/** + * Pack SID passed by pointer + * + * @param pack_buf pointer to buffer which is to be filled with packed data + * @param bufsize size of packing buffer + * @param sid pointer to sid to be packed + * + * @return length of the packed representation of the whole structure + **/ +size_t tdb_sid_pack(char* pack_buf, int bufsize, DOM_SID* sid) +{ + int idx; + size_t len = 0; + + if (!sid || !pack_buf) return -1; + + len += tdb_pack(pack_buf + len, bufsize - len, "bb", sid->sid_rev_num, + sid->num_auths); + + for (idx = 0; idx < 6; idx++) { + len += tdb_pack(pack_buf + len, bufsize - len, "b", sid->id_auth[idx]); + } + + for (idx = 0; idx < MAXSUBAUTHS; idx++) { + len += tdb_pack(pack_buf + len, bufsize - len, "d", sid->sub_auths[idx]); + } + + return len; +} + + +/** + * Unpack SID into a pointer + * + * @param pack_buf pointer to buffer with packed representation + * @param bufsize size of the buffer + * @param sid pointer to sid structure to be filled with unpacked data + * + * @return size of structure unpacked from buffer + **/ +size_t tdb_sid_unpack(char* pack_buf, int bufsize, DOM_SID* sid) +{ + int idx, len = 0; + + if (!sid || !pack_buf) return -1; + + len += tdb_unpack(pack_buf + len, bufsize - len, "bb", + &sid->sid_rev_num, &sid->num_auths); + + for (idx = 0; idx < 6; idx++) { + len += tdb_unpack(pack_buf + len, bufsize - len, "b", &sid->id_auth[idx]); + } + + for (idx = 0; idx < MAXSUBAUTHS; idx++) { + len += tdb_unpack(pack_buf + len, bufsize - len, "d", &sid->sub_auths[idx]); + } + + return len; +} + + +/** + * Pack TRUSTED_DOM_PASS passed by pointer + * + * @param pack_buf pointer to buffer which is to be filled with packed data + * @param bufsize size of the buffer + * @param pass pointer to trusted domain password to be packed + * + * @return length of the packed representation of the whole structure + **/ +size_t tdb_trusted_dom_pass_pack(char* pack_buf, int bufsize, TRUSTED_DOM_PASS* pass) +{ + int idx, len = 0; + + if (!pack_buf || !pass) return -1; + + /* packing unicode domain name and password */ + len += tdb_pack(pack_buf + len, bufsize - len, "d", pass->uni_name_len); + + for (idx = 0; idx < 32; idx++) + len += tdb_pack(pack_buf + len, bufsize - len, "w", pass->uni_name[idx]); + + len += tdb_pack(pack_buf + len, bufsize - len, "dPd", pass->pass_len, + pass->pass, pass->mod_time); + + /* packing SID structure */ + len += tdb_sid_pack(pack_buf + len, bufsize - len, &pass->domain_sid); + + return len; +} + + +/** + * Unpack TRUSTED_DOM_PASS passed by pointer + * + * @param pack_buf pointer to buffer with packed representation + * @param bufsize size of the buffer + * @param pass pointer to trusted domain password to be filled with unpacked data + * + * @return size of structure unpacked from buffer + **/ +size_t tdb_trusted_dom_pass_unpack(char* pack_buf, int bufsize, TRUSTED_DOM_PASS* pass) +{ + int idx, len = 0; + + if (!pack_buf || !pass) return -1; + + /* unpack unicode domain name and plaintext password */ + len += tdb_unpack(pack_buf, bufsize - len, "d", &pass->uni_name_len); + + for (idx = 0; idx < 32; idx++) + len += tdb_unpack(pack_buf + len, bufsize - len, "w", &pass->uni_name[idx]); + + len += tdb_unpack(pack_buf + len, bufsize - len, "dPd", &pass->pass_len, &pass->pass, + &pass->mod_time); + + /* unpack domain sid */ + len += tdb_sid_unpack(pack_buf + len, bufsize - len, &pass->domain_sid); + + return len; +} + + /**************************************************************************** Log tdb messages via DEBUG(). ****************************************************************************/ |