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Changes to let the key listing use estream to help systems without

funopen.
This commit is contained in:
Werner Koch 2007-03-19 14:35:04 +00:00
parent 674530c3fa
commit 12b661166c
15 changed files with 723 additions and 272 deletions

View file

@ -1,5 +1,5 @@
/* certdump.c - Dump a certificate for debugging
* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
* Copyright (C) 2001, 2004, 2007 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -56,30 +56,27 @@ struct dn_array_s {
};
/* print the first element of an S-Expression */
/* Print the first element of an S-Expression. */
void
gpgsm_print_serial (FILE *fp, ksba_const_sexp_t sn)
gpgsm_print_serial (estream_t fp, ksba_const_sexp_t sn)
{
const char *p = (const char *)sn;
unsigned long n;
char *endp;
if (!p)
fputs (_("none"), fp);
es_fputs (_("none"), fp);
else if (*p != '(')
fputs ("[Internal error - not an S-expression]", fp);
es_fputs ("[Internal error - not an S-expression]", fp);
else
{
p++;
n = strtoul (p, &endp, 10);
p = endp;
if (*p!=':')
fputs ("[Internal Error - invalid S-expression]", fp);
es_fputs ("[Internal Error - invalid S-expression]", fp);
else
{
for (p++; n; n--, p++)
fprintf (fp, "%02X", *(const unsigned char*)p);
}
es_write_hexstring (fp, p, strlen (p), 0, NULL);
}
}
@ -148,14 +145,16 @@ gpgsm_format_serial (ksba_const_sexp_t sn)
void
gpgsm_print_time (FILE *fp, ksba_isotime_t t)
gpgsm_print_time (estream_t fp, ksba_isotime_t t)
{
if (!t || !*t)
fputs (_("none"), fp);
es_fputs (_("none"), fp);
else
fprintf (fp, "%.4s-%.2s-%.2s %.2s:%.2s:%s", t, t+4, t+6, t+9, t+11, t+13);
es_fprintf (fp, "%.4s-%.2s-%.2s %.2s:%.2s:%s",
t, t+4, t+6, t+9, t+11, t+13);
}
void
gpgsm_dump_time (ksba_isotime_t t)
{
@ -468,8 +467,10 @@ parse_dn (const unsigned char *string)
}
/* Print a DN part to STREAM or if STREAM is NULL to FP. */
static void
print_dn_part (FILE *fp, struct dn_array_s *dn, const char *key, int translate)
print_dn_part (FILE *fp, estream_t stream,
struct dn_array_s *dn, const char *key, int translate)
{
struct dn_array_s *first_dn = dn;
@ -487,11 +488,25 @@ print_dn_part (FILE *fp, struct dn_array_s *dn, const char *key, int translate)
next:
if (!dn->done && dn->value && *dn->value)
{
fprintf (fp, "/%s=", dn->key);
if (translate)
print_sanitized_utf8_string (fp, dn->value, '/');
if (stream)
{
es_fprintf (stream, "/%s=", dn->key);
if (translate)
es_write_sanitized_utf8_buffer (stream, dn->value,
strlen (dn->value),
"/", NULL);
else
es_write_sanitized (stream, dn->value, strlen (dn->value),
"/", NULL);
}
else
print_sanitized_string (fp, dn->value, '/');
{
fprintf (fp, "/%s=", dn->key);
if (translate)
print_sanitized_utf8_string (fp, dn->value, '/');
else
print_sanitized_string (fp, dn->value, '/');
}
}
dn->done = 1;
if (dn > first_dn && dn[-1].multivalued)
@ -506,7 +521,8 @@ print_dn_part (FILE *fp, struct dn_array_s *dn, const char *key, int translate)
/* Print all parts of a DN in a "standard" sequence. We first print
all the known parts, followed by the uncommon ones */
static void
print_dn_parts (FILE *fp, struct dn_array_s *dn, int translate)
print_dn_parts (FILE *fp, estream_t stream,
struct dn_array_s *dn, int translate)
{
const char *stdpart[] = {
"CN", "OU", "O", "STREET", "L", "ST", "C", "EMail", NULL
@ -514,11 +530,11 @@ print_dn_parts (FILE *fp, struct dn_array_s *dn, int translate)
int i;
for (i=0; stdpart[i]; i++)
print_dn_part (fp, dn, stdpart[i], translate);
print_dn_part (fp, stream, dn, stdpart[i], translate);
/* Now print the rest without any specific ordering */
for (; dn->key; dn++)
print_dn_part (fp, dn, dn->key, translate);
print_dn_part (fp, stream, dn, dn->key, translate);
}
@ -567,6 +583,53 @@ pretty_print_sexp (FILE *fp, const unsigned char *buf, size_t buflen)
gcry_sexp_release (sexp);
}
/* Print the S-Expression in BUF to extended STREAM, which has a valid
length of BUFLEN, as a human readable string in one line to FP. */
static void
pretty_es_print_sexp (estream_t fp, const unsigned char *buf, size_t buflen)
{
size_t len;
gcry_sexp_t sexp;
char *result, *p;
if ( gcry_sexp_sscan (&sexp, NULL, (const char*)buf, buflen) )
{
es_fputs (_("[Error - invalid encoding]"), fp);
return;
}
len = gcry_sexp_sprint (sexp, GCRYSEXP_FMT_ADVANCED, NULL, 0);
assert (len);
result = xtrymalloc (len);
if (!result)
{
es_fputs (_("[Error - out of core]"), fp);
gcry_sexp_release (sexp);
return;
}
len = gcry_sexp_sprint (sexp, GCRYSEXP_FMT_ADVANCED, result, len);
assert (len);
for (p = result; len; len--, p++)
{
if (*p == '\n')
{
if (len > 1) /* Avoid printing the trailing LF. */
es_fputs ("\\n", fp);
}
else if (*p == '\r')
es_fputs ("\\r", fp);
else if (*p == '\v')
es_fputs ("\\v", fp);
else if (*p == '\t')
es_fputs ("\\t", fp);
else
es_putc (*p, fp);
}
xfree (result);
gcry_sexp_release (sexp);
}
void
gpgsm_print_name2 (FILE *fp, const char *name, int translate)
@ -604,7 +667,7 @@ gpgsm_print_name2 (FILE *fp, const char *name, int translate)
fputs (_("[Error - invalid DN]"), fp);
else
{
print_dn_parts (fp, dn, translate);
print_dn_parts (fp, NULL, dn, translate);
for (i=0; dn[i].key; i++)
{
xfree (dn[i].key);
@ -623,6 +686,55 @@ gpgsm_print_name (FILE *fp, const char *name)
}
/* This is avariant of gpgsm_print_name sending it output to an estream. */
void
gpgsm_es_print_name (estream_t fp, const char *name)
{
const unsigned char *s = (const unsigned char *)name;
int i;
if (!s)
{
es_fputs (_("[Error - No name]"), fp);
}
else if (*s == '<')
{
const char *s2 = strchr ( (char*)s+1, '>');
if (s2)
es_write_sanitized_utf8_buffer (fp, s + 1, s2 - (char*)s - 1,
NULL, NULL);
}
else if (*s == '(')
{
pretty_es_print_sexp (fp, s, gcry_sexp_canon_len (s, 0, NULL, NULL));
}
else if (!((*s >= '0' && *s < '9')
|| (*s >= 'A' && *s <= 'Z')
|| (*s >= 'a' && *s <= 'z')))
es_fputs (_("[Error - invalid encoding]"), fp);
else
{
struct dn_array_s *dn = parse_dn (s);
if (!dn)
es_fputs (_("[Error - invalid DN]"), fp);
else
{
print_dn_parts (NULL, fp, dn, 1);
for (i=0; dn[i].key; i++)
{
xfree (dn[i].key);
xfree (dn[i].value);
}
xfree (dn);
}
}
}
/* A cookie structure used for the memory stream. */
struct format_name_cookie
{