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2b9ba992b6
Return "bool" instead of NTSTATUS, use hex_byte() instead of read_hex_bytes(). And parse directly into a struct GUID instead of the components. 99 lines less code. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Samuel Cabrero <scabrero@samba.org>
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
#include "replace.h"
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#include "util_str_hex.h"
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#include "lib/util/data_blob.h"
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#include "librpc/gen_ndr/misc.h"
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static bool hex_uint16(const char *in, uint16_t *out)
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{
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uint8_t hi=0, lo=0;
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bool ok = hex_byte(in, &hi) && hex_byte(in+2, &lo);
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*out = (((uint16_t)hi)<<8) + lo;
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return ok;
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}
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bool hex_uint32(const char *in, uint32_t *out)
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{
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uint16_t hi=0, lo=0;
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bool ok = hex_uint16(in, &hi) && hex_uint16(in+4, &lo);
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*out = (((uint32_t)hi)<<16) + lo;
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return ok;
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}
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bool parse_guid_string(const char *s, struct GUID *guid)
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{
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bool ok;
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int i;
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/* "e12b56b6-0a95-11d1-adbb-00c04fd8d5cd"
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| | | | |
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| | | | \ node[6]
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| | | \_____ clock_seq[2]
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| | \__________ time_hi_and_version
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| \_______________ time_mid
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\_____________________ time_low
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*/
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ok = hex_uint32(s, &guid->time_low);
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if (!ok || (s[8] != '-')) {
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return false;
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}
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s += 9;
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ok = hex_uint16(s, &guid->time_mid);
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if (!ok || (s[4] != '-')) {
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return false;
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}
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s += 5;
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ok = hex_uint16(s, &guid->time_hi_and_version);
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if (!ok || (s[4] != '-')) {
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return false;
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}
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s += 5;
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ok = hex_byte(s, &guid->clock_seq[0]) &&
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hex_byte(s+2, &guid->clock_seq[1]);
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if (!ok || (s[4] != '-')) {
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return false;
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}
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s += 5;
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for (i = 0; i < 6; i++) {
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ok = hex_byte(s, &guid->node[i]);
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if (!ok) {
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return false;
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}
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s += 2;
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}
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return true;
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}
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