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Commit 7be9dd86 authored by v0-e's avatar v0-e
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jer: Escapes in strings

parent 0257cf66
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Showing with 95 additions and 79 deletions
skeletons/OCTET_STRING_jer.c
View file @ 7be9dd86
......@@ -54,52 +54,60 @@ static const struct OCTET_STRING__jer_escape_table_s {
int size;
} OCTET_STRING__jer_escape_table[] = {
#define OSXET(s) { s, sizeof(s) - 1 }
OSXET("\074\156\165\154\057\076"), /* <nul/> */
OSXET("\074\163\157\150\057\076"), /* <soh/> */
OSXET("\074\163\164\170\057\076"), /* <stx/> */
OSXET("\074\145\164\170\057\076"), /* <etx/> */
OSXET("\074\145\157\164\057\076"), /* <eot/> */
OSXET("\074\145\156\161\057\076"), /* <enq/> */
OSXET("\074\141\143\153\057\076"), /* <ack/> */
OSXET("\074\142\145\154\057\076"), /* <bel/> */
OSXET("\074\142\163\057\076"), /* <bs/> */
OSXET("\011"), /* \t */
OSXET("\012"), /* \n */
OSXET("\074\166\164\057\076"), /* <vt/> */
OSXET("\074\146\146\057\076"), /* <ff/> */
OSXET("\015"), /* \r */
OSXET("\074\163\157\057\076"), /* <so/> */
OSXET("\074\163\151\057\076"), /* <si/> */
OSXET("\074\144\154\145\057\076"), /* <dle/> */
OSXET("\074\144\143\061\057\076"), /* <de1/> */
OSXET("\074\144\143\062\057\076"), /* <de2/> */
OSXET("\074\144\143\063\057\076"), /* <de3/> */
OSXET("\074\144\143\064\057\076"), /* <de4/> */
OSXET("\074\156\141\153\057\076"), /* <nak/> */
OSXET("\074\163\171\156\057\076"), /* <syn/> */
OSXET("\074\145\164\142\057\076"), /* <etb/> */
OSXET("\074\143\141\156\057\076"), /* <can/> */
OSXET("\074\145\155\057\076"), /* <em/> */
OSXET("\074\163\165\142\057\076"), /* <sub/> */
OSXET("\074\145\163\143\057\076"), /* <esc/> */
OSXET("\074\151\163\064\057\076"), /* <is4/> */
OSXET("\074\151\163\063\057\076"), /* <is3/> */
OSXET("\074\151\163\062\057\076"), /* <is2/> */
OSXET("\074\151\163\061\057\076"), /* <is1/> */
{ 0, 0 }, /* NULL */
{ 0, 0 }, /* Start of header */
{ 0, 0 }, /* Start of text */
{ 0, 0 }, /* End of text */
{ 0, 0 }, /* End of transmission */
{ 0, 0 }, /* Enquiry */
{ 0, 0 }, /* Ack */
{ 0, 0 }, /* Bell */
OSXET("\134\142"), /* \b */
OSXET("\134\164"), /* \t */
OSXET("\134\156"), /* \n */
{ 0, 0 }, /* Vertical tab */
OSXET("\134\146"), /* \f */
OSXET("\134\162"), /* \r */
{ 0, 0 }, /* Shift out */
{ 0, 0 }, /* Shift in */
{ 0, 0 }, /* Data link escape */
{ 0, 0 }, /* Device control 1 */
{ 0, 0 }, /* Device control 2 */
{ 0, 0 }, /* Device control 3 */
{ 0, 0 }, /* Device control 4 */
{ 0, 0 }, /* Negative ack */
{ 0, 0 }, /* Synchronous idle */
{ 0, 0 }, /* End of transmission block */
{ 0, 0 }, /* Cancel */
{ 0, 0 }, /* End of medium */
{ 0, 0 }, /* Substitute */
{ 0, 0 }, /* Escape */
{ 0, 0 }, /* File separator */
{ 0, 0 }, /* Group separator */
{ 0, 0 }, /* Record separator */
{ 0, 0 }, /* Unit separator */
{ 0, 0 }, /* " " */
{ 0, 0 }, /* ! */
{ 0, 0 }, /* \" */
OSXET("\134\042"), /* \" */
{ 0, 0 }, /* # */
{ 0, 0 }, /* $ */
{ 0, 0 }, /* % */
OSXET("\046\141\155\160\073"), /* &amp; */
{ 0, 0 }, /* &amp; */
{ 0, 0 }, /* ' */
{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, /* ()*+,-./ */
{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, /* 01234567 */
{0,0},{0,0},{0,0},{0,0}, /* 89:; */
OSXET("\046\154\164\073"), /* &lt; */
{ 0, 0 }, /* &lt; */
{ 0, 0 }, /* = */
OSXET("\046\147\164\073"), /* &gt; */
{ 0, 0 }, /* &gt; */
{ 0, 0 }, /* ? */
{ 0, 0 }, /* @ */
{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, /* ABCDEFGH */
{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, /* IJKLMNOP */
{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, /* QRSTUVWX */
{0,0},{0,0}, /* YZ */
{ 0, 0 }, /* [ */
OSXET("\134\134"), /* \\ */
};
static int
......@@ -166,7 +174,7 @@ OCTET_STRING_encode_jer_utf8(const asn_TYPE_descriptor_t *td, const void *sptr,
int s_len; /* Special encoding sequence length */
/*
* Escape certain characters: X.680/11.15
* Escape certain characters
*/
if(ch < sizeof(OCTET_STRING__jer_escape_table)
/ sizeof(OCTET_STRING__jer_escape_table[0])
......@@ -213,6 +221,7 @@ static ssize_t OCTET_STRING__convert_hexadecimal(void *sptr, const void *chunk_b
break;
}
}
--pend;
for (; pend >= p; --pend) {
if (*pend == CQUOTE)
break;
......@@ -269,7 +278,7 @@ static ssize_t OCTET_STRING__convert_hexadecimal(void *sptr, const void *chunk_b
if(have_more) {
/*
* Partial specification is fine,
* because no more more PXER_TEXT data is available.
* because no more more PJER_TEXT data is available.
*/
*buf++ = clv << 4;
chunk_stop = p;
......@@ -329,7 +338,7 @@ OS__strtoent(int base, const char *buf, const char *end, int32_t *ret_value) {
}
/*
* Convert from the plain UTF-8 format, expanding entity references: "2 &lt; 3"
* Convert from the plain UTF-8 format
*/
static ssize_t
OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
......@@ -346,6 +355,7 @@ OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
break;
}
}
--pend;
for(; pend >= p; --pend) {
if (*pend == CQUOTE)
break;
......@@ -367,7 +377,7 @@ OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
int ch = *(const unsigned char *)p;
int len; /* Length of the rest of the chunk */
if(ch != 0x26 /* '&' */) {
if(ch != 0x5c /* '\' */) {
*buf++ = ch;
continue; /* That was easy... */
}
......@@ -376,8 +386,10 @@ OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
* Process entity reference.
*/
len = chunk_size - (p - (const char *)chunk_buf);
if(len == 1 /* "&" */) goto want_more;
if(p[1] == 0x23 /* '#' */) {
if(len == 1 /* "\" */) goto want_more;
switch(p[1]) {
case 0x75: /* 'u' */
;
const char *pval; /* Pointer to start of digits */
int32_t val = 0; /* Entity reference value */
int base;
......@@ -425,43 +437,41 @@ OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
*buf++ = 0x80 | ((val >> 6) & 0x3f);
*buf++ = 0x80 | ((val & 0x3f));
}
} else {
/*
* Ugly, limited parsing of &amp; &gt; &lt;
*/
char *sc = (char *)memchr(p, 0x3b, len > 5 ? 5 : len);
if(!sc) goto want_more;
if((sc - p) == 4
&& p[1] == 0x61 /* 'a' */
&& p[2] == 0x6d /* 'm' */
&& p[3] == 0x70 /* 'p' */) {
*buf++ = 0x26;
p = sc;
continue;
}
if((sc - p) == 3) {
if(p[1] == 0x6c) {
*buf = 0x3c; /* '<' */
} else if(p[1] == 0x67) {
*buf = 0x3e; /* '>' */
} else {
/* Unsupported entity reference */
*buf++ = ch;
continue;
}
if(p[2] != 0x74) {
/* Unsupported entity reference */
*buf++ = ch;
continue;
}
buf++;
p = sc;
continue;
}
break;
case 0x22: /* " */
*buf++ = 0x22;
++p;
break;
case 0x5c: /* \ */
*buf++ = 0x5c;
++p;
break;
case 0x62: /* b */
*buf++ = 0x08;
++p;
break;
case 0x66: /* f */
*buf++ = 0x0c;
++p;
break;
case 0x6e: /* n */
*buf++ = 0x0a;
++p;
break;
case 0x72: /* r */
*buf++ = 0x0d;
++p;
break;
case 0x74: /* t */
*buf++ = 0x09;
++p;
break;
default:
/* Unsupported entity reference */
*buf++ = ch;
++p;
continue;
}
continue;
want_more:
if(have_more) {
......@@ -485,7 +495,7 @@ OCTET_STRING__convert_entrefs(void *sptr, const void *chunk_buf,
}
/*
* Decode OCTET STRING from the XML element's body.
* Decode OCTET STRING from the JSON element's value.
*/
static asn_dec_rval_t
OCTET_STRING__decode_jer(
......
skeletons/RELATIVE-OID_jer.c
View file @ 7be9dd86
......@@ -29,6 +29,7 @@ RELATIVE_OID__jer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr,
break;
}
}
--chunk_end;
for (; chunk_end >= p; --chunk_end) {
if (*chunk_end == CQUOTE)
break;
......
skeletons/UniversalString_jer.c
View file @ 7be9dd86
......@@ -71,6 +71,7 @@ UniversalString_encode_jer(const asn_TYPE_descriptor_t *td, const void *sptr,
asn_app_consume_bytes_f *cb, void *app_key) {
const UniversalString_t *st = (const UniversalString_t *)sptr;
asn_enc_rval_t er = {0,0,0};
ssize_t ro_encoded = 0;
(void)ilevel;
(void)flags;
......@@ -78,8 +79,12 @@ UniversalString_encode_jer(const asn_TYPE_descriptor_t *td, const void *sptr,
if(!st || !st->buf)
ASN__ENCODE_FAILED;
er.encoded = UniversalString__dump(st, cb, app_key);
if(er.encoded < 0) ASN__ENCODE_FAILED;
ASN__CALLBACK("\"", 1);
ro_encoded = UniversalString__dump(st, cb, app_key);
if(ro_encoded < 0) goto cb_failed;
er.encoded += ro_encoded;
ASN__CALLBACK("\"", 1);
cb_failed:
ASN__ENCODED_OK(er);
}
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