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MINOR: ssl: adds sample converter base64 for binary type.

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The new converter encode binary type sample to base64 string.

i.e. : ssl_c_serial,base64
This commit is contained in:
Emeric Brun 2014-04-30 18:21:37 +02:00 committed by Willy Tarreau
parent 55f4fa8825
commit 53d1a98270
2 changed files with 24 additions and 0 deletions
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5
doc/configuration.txt
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@ -9535,6 +9535,11 @@ support some arguments (eg: a netmask) which must be passed in parenthesis.
The currently available list of transformation keywords include : The currently available list of transformation keywords include :
base64
Converts a binary input sample to a base64 string. It is used to log or
transfer binary content in a way that can be reliably transferred (eg:
an SSL ID can be copied in a header).
lower lower
Convert a string sample to lower case. This can only be placed after a string Convert a string sample to lower case. This can only be placed after a string
sample fetch function or after a transformation keyword returning a string sample fetch function or after a transformation keyword returning a string

19
src/sample.c
View File

@ -20,6 +20,7 @@
#include <common/chunk.h> #include <common/chunk.h>
#include <common/standard.h> #include <common/standard.h>
#include <common/uri_auth.h> #include <common/uri_auth.h>
#include <common/base64.h>
#include <proto/arg.h> #include <proto/arg.h>
#include <proto/auth.h> #include <proto/auth.h>
@ -1172,6 +1173,23 @@ struct sample *sample_fetch_string(struct proxy *px, struct session *l4, void *l
/* These functions set the data type on return. */ /* These functions set the data type on return. */
/*****************************************************************/ /*****************************************************************/
static int sample_conv_bin2base64(const struct arg *arg_p, struct sample *smp)
{
struct chunk *trash = get_trash_chunk();
int b64_len;
trash->len = 0;
b64_len = a2base64(smp->data.str.str, smp->data.str.len, trash->str, trash->size);
if (b64_len < 0)
return 0;
trash->len = b64_len;
smp->data.str = *trash;
smp->type = SMP_T_STR;
smp->flags &= ~SMP_F_CONST;
return 1;
}
static int sample_conv_bin2hex(const struct arg *arg_p, struct sample *smp) static int sample_conv_bin2hex(const struct arg *arg_p, struct sample *smp)
{ {
struct chunk *trash = get_trash_chunk(); struct chunk *trash = get_trash_chunk();
@ -1329,6 +1347,7 @@ static struct sample_fetch_kw_list smp_kws = {ILH, {
/* Note: must not be declared <const> as its list will be overwritten */ /* Note: must not be declared <const> as its list will be overwritten */
static struct sample_conv_kw_list sample_conv_kws = {ILH, { static struct sample_conv_kw_list sample_conv_kws = {ILH, {
{ "base64", sample_conv_bin2base64,0, NULL, SMP_T_BIN, SMP_T_STR },
{ "upper", sample_conv_str2upper, 0, NULL, SMP_T_STR, SMP_T_STR }, { "upper", sample_conv_str2upper, 0, NULL, SMP_T_STR, SMP_T_STR },
{ "lower", sample_conv_str2lower, 0, NULL, SMP_T_STR, SMP_T_STR }, { "lower", sample_conv_str2lower, 0, NULL, SMP_T_STR, SMP_T_STR },
{ "hex", sample_conv_bin2hex, 0, NULL, SMP_T_BIN, SMP_T_STR }, { "hex", sample_conv_bin2hex, 0, NULL, SMP_T_BIN, SMP_T_STR },