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common: Minor fixes for the new private-keys.c.

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* common/private-keys.c (my_error_from_syserror): New.  Use it in
place of gpg_error_from_syserror.
(_pkc_add, pkc_lookup, pke_next_value): Use ascii_strcasecmp.
(pkc_parse): Use xtrystrdup and append_to_strlist_try as intended.

(_pkc_add): Add braces around if-statement.
--

We should have a macro so that we do not need to define a wrapper
function like my_error_from_syserror in files where it is needed.  I
am not sure about a proper name, "my_" seems to be the easiest
replacement.  Note that the global DEFAULT_ERRSOURCE is relatively new
to replace the need to convey the error source in function calls; we
want that function from common/ return the error source of the main
binary.

We require that a key is ASCII and thus we better use ascii_strcasecmp
to avoid problems with strange locales.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-04-25 18:14:12 +02:00
parent 2502a76d8e
commit b7fa4960c2
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 40 additions and 30 deletions
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70
common/private-keys.c
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@ -61,6 +61,15 @@ struct private_key_entry
char *value;
};
/* Helper */
static inline gpg_error_t
my_error_from_syserror (void)
{
return gpg_err_make (default_errsource, gpg_err_code_from_syserror ());
}
/* Allocation and deallocation. */
@ -179,7 +188,7 @@ assert_raw_value (pke_t entry)
&entry->value[offset]);
if (append_to_strlist_try (&entry->raw_value, buf) == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
@ -267,7 +276,7 @@ assert_value (pke_t entry)
entry->value = p = xtrymalloc (len);
if (entry->value == NULL)
return gpg_error_from_syserror ();
return my_error_from_syserror ();
swallow_ws = 0;
for (s = entry->raw_value; s; s = s->next)
@ -326,7 +335,7 @@ _pkc_add (pkc_t pk, char *name, char *value, strlist_t raw_value,
goto leave;
}
if (name && strcasecmp (name, "Key:") == 0 && pkc_lookup (pk, "Key:"))
if (name && ascii_strcasecmp (name, "Key:") == 0 && pkc_lookup (pk, "Key:"))
{
err = gpg_error (GPG_ERR_INV_NAME);
goto leave;
@ -335,7 +344,7 @@ _pkc_add (pkc_t pk, char *name, char *value, strlist_t raw_value,
e = xtrycalloc (1, sizeof *e);
if (e == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
@ -356,17 +365,18 @@ _pkc_add (pkc_t pk, char *name, char *value, strlist_t raw_value,
/* If so, find the last in that block. */
if (last)
while (last->next)
{
pke_t next = last->next;
{
while (last->next)
{
pke_t next = last->next;
if (next->name && strcasecmp (next->name, name) == 0)
last = next;
else
break;
}
/* Otherwise, just find the last entry. */
else
if (next->name && ascii_strcasecmp (next->name, name) == 0)
last = next;
else
break;
}
}
else /* Otherwise, just find the last entry. */
last = pk->last;
}
@ -410,13 +420,13 @@ pkc_add (pkc_t pk, const char *name, const char *value)
k = xtrystrdup (name);
if (k == NULL)
return gpg_error_from_syserror ();
return my_error_from_syserror ();
v = xtrystrdup (value);
if (v == NULL)
{
xfree (k);
return gpg_error_from_syserror ();
return my_error_from_syserror ();
}
return _pkc_add (pk, k, v, NULL, 0);
@ -441,7 +451,7 @@ pkc_set (pkc_t pk, const char *name, const char *value)
v = xtrystrdup (value);
if (v == NULL)
return gpg_error_from_syserror ();
return my_error_from_syserror ();
free_strlist_wipe (e->raw_value);
e->raw_value = NULL;
@ -496,7 +506,7 @@ pkc_lookup (pkc_t pk, const char *name)
{
pke_t entry;
for (entry = pk->first; entry; entry = entry->next)
if (entry->name && strcasecmp (entry->name, name) == 0)
if (entry->name && ascii_strcasecmp (entry->name, name) == 0)
return entry;
return NULL;
}
@ -518,7 +528,7 @@ pke_t
pke_next_value (pke_t entry, const char *name)
{
for (entry = entry->next; entry; entry = entry->next)
if (entry->name && strcasecmp (entry->name, name) == 0)
if (entry->name && ascii_strcasecmp (entry->name, name) == 0)
return entry;
return NULL;
}
@ -558,13 +568,13 @@ pkc_set_private_key (pkc_t pk, gcry_sexp_t sexp)
raw = xtrymalloc (len);
if (raw == NULL)
return gpg_error_from_syserror ();
return my_error_from_syserror ();
clean = xtrymalloc (len);
if (clean == NULL)
{
xfree (raw);
return gpg_error_from_syserror ();
return my_error_from_syserror ();
}
gcry_sexp_sprint (sexp, GCRYSEXP_FMT_ADVANCED, raw, len);
@ -621,7 +631,7 @@ pkc_parse (pkc_t *result, int *errlinep, estream_t stream)
*result = pkc_new ();
if (*result == NULL)
return gpg_error_from_syserror ();
return my_error_from_syserror ();
if (errlinep)
*errlinep = 0;
@ -640,7 +650,7 @@ pkc_parse (pkc_t *result, int *errlinep, estream_t stream)
/* A continuation. */
if (append_to_strlist_try (&raw_value, buf) == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
continue;
@ -672,26 +682,26 @@ pkc_parse (pkc_t *result, int *errlinep, estream_t stream)
value = colon + 1;
tmp = *value;
*value = 0;
name = xstrdup (p);
name = xtrystrdup (p);
*value = tmp;
if (name == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
if (append_to_strlist (&raw_value, value) == NULL)
if (append_to_strlist_try (&raw_value, value) == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
continue;
}
if (append_to_strlist (&raw_value, buf) == NULL)
if (append_to_strlist_try (&raw_value, buf) == NULL)
{
err = gpg_error_from_syserror ();
err = my_error_from_syserror ();
goto leave;
}
}
@ -733,7 +743,7 @@ pkc_write (pkc_t pk, estream_t stream)
es_fputs (s->d, stream);
if (es_ferror (stream))
return gpg_error_from_syserror ();
return my_error_from_syserror ();
}
return 0;