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author | James Peach <jpeach@samba.org> | 2008-04-07 15:00:41 -0700 |
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committer | James Peach <jpeach@samba.org> | 2008-04-07 15:05:50 -0700 |
commit | 2dfec9e829e6e4c11ebde8c204e06b81cc596a29 (patch) | |
tree | 5f1ccc09b0a6578108a386945b4b9d2f0d644757 /source3 | |
parent | 2c2379b3216580bfc3f450221cdd325b2dccc80e (diff) | |
download | samba-2dfec9e829e6e4c11ebde8c204e06b81cc596a29.tar.gz samba-2dfec9e829e6e4c11ebde8c204e06b81cc596a29.tar.bz2 samba-2dfec9e829e6e4c11ebde8c204e06b81cc596a29.zip |
Use bool for BOOL and true/false for True/False. We need lowercase
bool to get the declarations picked up by the prototype parser.
(This used to be commit fd168e7b5065ba15b1cf56522b6810b8e6fdd7d5)
Diffstat (limited to 'source3')
-rw-r--r-- | source3/libsmb/asn1.c | 139 |
1 files changed, 76 insertions, 63 deletions
diff --git a/source3/libsmb/asn1.c b/source3/libsmb/asn1.c index 99c5b0b1bd..bdbe49b111 100644 --- a/source3/libsmb/asn1.c +++ b/source3/libsmb/asn1.c @@ -36,19 +36,19 @@ void asn1_free(ASN1_DATA *data) /* write to the ASN1 buffer, advancing the buffer pointer */ bool asn1_write(ASN1_DATA *data, const void *p, int len) { - if (data->has_error) return False; + if (data->has_error) return false; if (data->length < data->ofs+len) { data->data = SMB_REALLOC_ARRAY(data->data, unsigned char, data->ofs+len); if (!data->data) { - data->has_error = True; - return False; + data->has_error = true; + return false; } data->length = data->ofs+len; } memcpy(data->data + data->ofs, p, len); data->ofs += len; - return True; + return true; } /* useful fn for writing a uint8 */ @@ -65,8 +65,8 @@ bool asn1_push_tag(ASN1_DATA *data, uint8 tag) asn1_write_uint8(data, tag); nesting = SMB_MALLOC_P(struct nesting); if (!nesting) { - data->has_error = True; - return False; + data->has_error = true; + return false; } nesting->start = data->ofs; @@ -82,14 +82,14 @@ bool asn1_pop_tag(ASN1_DATA *data) size_t len; if (data->has_error) { - return False; + return false; } nesting = data->nesting; if (!nesting) { - data->has_error = True; - return False; + data->has_error = true; + return false; } len = data->ofs - (nesting->start+1); /* yes, this is ugly. We don't know in advance how many bytes the length @@ -97,23 +97,23 @@ bool asn1_pop_tag(ASN1_DATA *data) need to correct our mistake */ if (len > 0xFFFF) { data->data[nesting->start] = 0x83; - if (!asn1_write_uint8(data, 0)) return False; - if (!asn1_write_uint8(data, 0)) return False; - if (!asn1_write_uint8(data, 0)) return False; + if (!asn1_write_uint8(data, 0)) return false; + if (!asn1_write_uint8(data, 0)) return false; + if (!asn1_write_uint8(data, 0)) return false; memmove(data->data+nesting->start+4, data->data+nesting->start+1, len); data->data[nesting->start+1] = (len>>16) & 0xFF; data->data[nesting->start+2] = (len>>8) & 0xFF; data->data[nesting->start+3] = len&0xff; } else if (len > 255) { data->data[nesting->start] = 0x82; - if (!asn1_write_uint8(data, 0)) return False; - if (!asn1_write_uint8(data, 0)) return False; + if (!asn1_write_uint8(data, 0)) return false; + if (!asn1_write_uint8(data, 0)) return false; memmove(data->data+nesting->start+3, data->data+nesting->start+1, len); data->data[nesting->start+1] = len>>8; data->data[nesting->start+2] = len&0xff; } else if (len > 127) { data->data[nesting->start] = 0x81; - if (!asn1_write_uint8(data, 0)) return False; + if (!asn1_write_uint8(data, 0)) return false; memmove(data->data+nesting->start+2, data->data+nesting->start+1, len); data->data[nesting->start+1] = len; } else { @@ -122,14 +122,14 @@ bool asn1_pop_tag(ASN1_DATA *data) data->nesting = nesting->next; free(nesting); - return True; + return true; } /* write an integer */ bool asn1_write_Integer(ASN1_DATA *data, int i) { - if (!asn1_push_tag(data, ASN1_INTEGER)) return False; + if (!asn1_push_tag(data, ASN1_INTEGER)) return false; do { asn1_write_uint8(data, i); i = i >> 8; @@ -145,13 +145,13 @@ bool asn1_write_OID(ASN1_DATA *data, const char *OID) char *newp; if (!asn1_push_tag(data, ASN1_OID)) - return False; + return false; v = strtol(p, &newp, 10); p = newp; v2 = strtol(p, &newp, 10); p = newp; if (!asn1_write_uint8(data, 40*v + v2)) - return False; + return false; while (*p) { v = strtol(p, &newp, 10); @@ -161,7 +161,7 @@ bool asn1_write_OID(ASN1_DATA *data, const char *OID) if (v >= (1<<14)) asn1_write_uint8(data, 0x80 | ((v>>14)&0xff)); if (v >= (1<<7)) asn1_write_uint8(data, 0x80 | ((v>>7)&0xff)); if (!asn1_write_uint8(data, v&0x7f)) - return False; + return false; } return asn1_pop_tag(data); } @@ -209,13 +209,13 @@ bool asn1_check_BOOLEAN(ASN1_DATA *data, bool v) asn1_read_uint8(data, &b); if (b != ASN1_BOOLEAN) { - data->has_error = True; - return False; + data->has_error = true; + return false; } asn1_read_uint8(data, &b); if (b != v) { - data->has_error = True; - return False; + data->has_error = true; + return false; } return !data->has_error; } @@ -227,31 +227,31 @@ bool asn1_load(ASN1_DATA *data, DATA_BLOB blob) ZERO_STRUCTP(data); data->data = (unsigned char *)memdup(blob.data, blob.length); if (!data->data) { - data->has_error = True; - return False; + data->has_error = true; + return false; } data->length = blob.length; - return True; + return true; } /* read from a ASN1 buffer, advancing the buffer pointer */ bool asn1_read(ASN1_DATA *data, void *p, int len) { if (data->has_error) - return False; + return false; if (len < 0 || data->ofs + len < data->ofs || data->ofs + len < len) { - data->has_error = True; - return False; + data->has_error = true; + return false; } if (data->ofs + len > data->length) { - data->has_error = True; - return False; + data->has_error = true; + return false; } memcpy(p, data->data + data->ofs, len); data->ofs += len; - return True; + return true; } /* read a uint8 from a ASN1 buffer */ @@ -260,6 +260,19 @@ bool asn1_read_uint8(ASN1_DATA *data, uint8 *v) return asn1_read(data, v, 1); } +/* + * Check thta the value of the ASN1 buffer at the current offset equals tag. + */ +bool asn1_check_tag(ASN1_DATA *data, uint8 tag) +{ + if (data->has_error || data->ofs >= data->length || data->ofs < 0) { + data->has_error = true; + return false; + } + + return (tag == data->data[data->ofs]); +} + /* start reading a nested asn1 structure */ bool asn1_start_tag(ASN1_DATA *data, uint8 tag) { @@ -267,34 +280,34 @@ bool asn1_start_tag(ASN1_DATA *data, uint8 tag) struct nesting *nesting; if (!asn1_read_uint8(data, &b)) - return False; + return false; if (b != tag) { - data->has_error = True; - return False; + data->has_error = true; + return false; } nesting = SMB_MALLOC_P(struct nesting); if (!nesting) { - data->has_error = True; - return False; + data->has_error = true; + return false; } if (!asn1_read_uint8(data, &b)) { SAFE_FREE(nesting); - return False; + return false; } if (b & 0x80) { int n = b & 0x7f; if (!asn1_read_uint8(data, &b)) { SAFE_FREE(nesting); - return False; + return false; } nesting->taglen = b; while (n > 1) { if (!asn1_read_uint8(data, &b)) { SAFE_FREE(nesting); - return False; + return false; } nesting->taglen = (nesting->taglen << 8) | b; n--; @@ -316,20 +329,20 @@ bool asn1_end_tag(ASN1_DATA *data) /* make sure we read it all */ if (asn1_tag_remaining(data) != 0) { - data->has_error = True; - return False; + data->has_error = true; + return false; } nesting = data->nesting; if (!nesting) { - data->has_error = True; - return False; + data->has_error = true; + return false; } data->nesting = nesting->next; free(nesting); - return True; + return true; } /* work out how many bytes are left in this nested tag */ @@ -339,7 +352,7 @@ int asn1_tag_remaining(ASN1_DATA *data) return 0; if (!data->nesting) { - data->has_error = True; + data->has_error = true; return -1; } return data->nesting->taglen - (data->ofs - data->nesting->start); @@ -407,15 +420,15 @@ bool asn1_check_OID(ASN1_DATA *data, const char *OID) char *id; if (!asn1_read_OID(data, &id)) { - return False; + return false; } if (strcmp(id, OID) != 0) { - data->has_error = True; - return False; + data->has_error = true; + return false; } free(id); - return True; + return true; } /* read a GeneralString from a ASN1 buffer */ @@ -427,17 +440,17 @@ bool asn1_read_GeneralString(ASN1_DATA *data, char **s) *s = NULL; if (!asn1_start_tag(data, ASN1_GENERAL_STRING)) { - return False; + return false; } len = asn1_tag_remaining(data); if (len < 0) { - data->has_error = True; - return False; + data->has_error = true; + return false; } str = SMB_MALLOC_ARRAY(char, len+1); if (!str) { - data->has_error = True; - return False; + data->has_error = true; + return false; } asn1_read(data, str, len); str[len] = 0; @@ -454,11 +467,11 @@ bool asn1_read_OctetString(ASN1_DATA *data, DATA_BLOB *blob) { int len; ZERO_STRUCTP(blob); - if (!asn1_start_tag(data, ASN1_OCTET_STRING)) return False; + if (!asn1_start_tag(data, ASN1_OCTET_STRING)) return false; len = asn1_tag_remaining(data); if (len < 0) { - data->has_error = True; - return False; + data->has_error = true; + return false; } *blob = data_blob(NULL, len); asn1_read(data, blob->data, len); @@ -472,7 +485,7 @@ bool asn1_read_Integer(ASN1_DATA *data, int *i) uint8 b; *i = 0; - if (!asn1_start_tag(data, ASN1_INTEGER)) return False; + if (!asn1_start_tag(data, ASN1_INTEGER)) return false; while (asn1_tag_remaining(data)>0) { asn1_read_uint8(data, &b); *i = (*i << 8) + b; @@ -485,12 +498,12 @@ bool asn1_read_Integer(ASN1_DATA *data, int *i) bool asn1_check_enumerated(ASN1_DATA *data, int v) { uint8 b; - if (!asn1_start_tag(data, ASN1_ENUMERATED)) return False; + if (!asn1_start_tag(data, ASN1_ENUMERATED)) return false; asn1_read_uint8(data, &b); asn1_end_tag(data); if (v != b) - data->has_error = False; + data->has_error = false; return !data->has_error; } @@ -498,7 +511,7 @@ bool asn1_check_enumerated(ASN1_DATA *data, int v) /* write an enumarted value to the stream */ bool asn1_write_enumerated(ASN1_DATA *data, uint8 v) { - if (!asn1_push_tag(data, ASN1_ENUMERATED)) return False; + if (!asn1_push_tag(data, ASN1_ENUMERATED)) return false; asn1_write_uint8(data, v); asn1_pop_tag(data); return !data->has_error; |