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gnupg/common/audit.c

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/* audit.c - GnuPG's audit subsystem
* Copyright (C) 2007 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <assert.h>
#include "util.h"
#include "i18n.h"
#include "audit.h"
#include "audit-events.h"
/* A list to maintain a list of helptags. */
struct helptag_s
{
struct helptag_s *next;
const char *name;
};
typedef struct helptag_s *helptag_t;
/* One log entry. */
struct log_item_s
{
audit_event_t event; /* The event. */
gpg_error_t err; /* The logged error code. */
int intvalue; /* A logged interger value. */
char *string; /* A malloced string or NULL. */
ksba_cert_t cert; /* A certifciate or NULL. */
int have_err:1;
int have_intvalue:1;
};
typedef struct log_item_s *log_item_t;
/* The main audit object. */
struct audit_ctx_s
{
const char *failure; /* If set a description of the internal failure. */
audit_type_t type;
log_item_t log; /* The table with the log entries. */
size_t logsize; /* The allocated size for LOG. */
size_t logused; /* The used size of LOG. */
estream_t outstream; /* The current output stream. */
int use_html; /* The output shall be HTML formatted. */
int indentlevel; /* Current level of indentation. */
helptag_t helptags; /* List of help keys. */
};
static void writeout_para (audit_ctx_t ctx,
const char *format, ...) JNLIB_GCC_A_PRINTF(2,3);
static void writeout_li (audit_ctx_t ctx, const char *oktext,
const char *format, ...) JNLIB_GCC_A_PRINTF(3,4);
static void writeout_rem (audit_ctx_t ctx,
const char *format, ...) JNLIB_GCC_A_PRINTF(2,3);
/* Add NAME to the list of help tags. NAME needs to be a const string
an this function merly stores this pointer. */
static void
add_helptag (audit_ctx_t ctx, const char *name)
{
helptag_t item;
for (item=ctx->helptags; item; item = item->next)
if (!strcmp (item->name, name))
return; /* Already in the list. */
item = xtrycalloc (1, sizeof *item);
if (!item)
return; /* Don't care about memory problems. */
item->name = name;
item->next = ctx->helptags;
ctx->helptags = item;
}
/* Remove all help tags from the context. */
static void
clear_helptags (audit_ctx_t ctx)
{
while (ctx->helptags)
{
helptag_t tmp = ctx->helptags->next;
xfree (ctx->helptags);
ctx->helptags = tmp;
}
}
static const char *
event2str (audit_event_t event)
{
int idx = eventstr_msgidxof (event);
if (idx == -1)
return "Unknown event";
else
return eventstr_msgstr + eventstr_msgidx[idx];
}
/* Create a new audit context. In case of an error NULL is returned
and errno set appropriately. */
audit_ctx_t
audit_new (void)
{
audit_ctx_t ctx;
ctx = xtrycalloc (1, sizeof *ctx);
return ctx;
}
/* Release an audit context. Passing NULL for CTX is allowed and does
nothing. */
void
audit_release (audit_ctx_t ctx)
{
int idx;
if (!ctx)
return;
if (ctx->log)
{
for (idx=0; idx < ctx->logused; idx++)
{
if (ctx->log[idx].string)
xfree (ctx->log[idx].string);
if (ctx->log[idx].cert)
ksba_cert_release (ctx->log[idx].cert);
}
xfree (ctx->log);
}
clear_helptags (ctx);
xfree (ctx);
}
/* Set the type for the audit operation. If CTX is NULL, this is a
dummy fucntion. */
void
audit_set_type (audit_ctx_t ctx, audit_type_t type)
{
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (ctx->type && ctx->type != type)
{
ctx->failure = "conflict in type initialization";
return;
}
ctx->type = type;
}
/* Create a new log item and put it into the table. Return that log
item on success; return NULL on memory failure and mark that in
CTX. */
static log_item_t
create_log_item (audit_ctx_t ctx)
{
log_item_t item, table;
size_t size;
if (!ctx->log)
{
size = 10;
table = xtrymalloc (size * sizeof *table);
if (!table)
{
ctx->failure = "Out of memory in create_log_item";
return NULL;
}
ctx->log = table;
ctx->logsize = size;
item = ctx->log + 0;
ctx->logused = 1;
}
else if (ctx->logused >= ctx->logsize)
{
size = ctx->logsize + 10;
table = xtryrealloc (ctx->log, size * sizeof *table);
if (!table)
{
ctx->failure = "Out of memory while reallocating in create_log_item";
return NULL;
}
ctx->log = table;
ctx->logsize = size;
item = ctx->log + ctx->logused++;
}
else
item = ctx->log + ctx->logused++;
item->event = AUDIT_NULL_EVENT;
item->err = 0;
item->have_err = 0;
item->intvalue = 0;
item->have_intvalue = 0;
item->string = NULL;
item->cert = NULL;
return item;
}
/* Add a new event to the audit log. If CTX is NULL, this function
does nothing. */
void
audit_log (audit_ctx_t ctx, audit_event_t event)
{
log_item_t item;
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (!event)
{
ctx->failure = "Invalid event passed to audit_log";
return;
}
if (!(item = create_log_item (ctx)))
return;
item->event = event;
}
/* Add a new event to the audit log. If CTX is NULL, this function
does nothing. This version also adds the result of the oepration
to the log.. */
void
audit_log_ok (audit_ctx_t ctx, audit_event_t event, gpg_error_t err)
{
log_item_t item;
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (!event)
{
ctx->failure = "Invalid event passed to audit_log_ok";
return;
}
if (!(item = create_log_item (ctx)))
return;
item->event = event;
item->err = err;
item->have_err = 1;
}
/* Add a new event to the audit log. If CTX is NULL, this function
does nothing. This version also add the integer VALUE to the log. */
void
audit_log_i (audit_ctx_t ctx, audit_event_t event, int value)
{
log_item_t item;
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (!event)
{
ctx->failure = "Invalid event passed to audit_log_i";
return;
}
if (!(item = create_log_item (ctx)))
return;
item->event = event;
item->intvalue = value;
item->have_intvalue = 1;
}
/* Add a new event to the audit log. If CTX is NULL, this function
does nothing. This version also add the integer VALUE to the log. */
void
audit_log_s (audit_ctx_t ctx, audit_event_t event, const char *value)
{
log_item_t item;
char *tmp;
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (!event)
{
ctx->failure = "Invalid event passed to audit_log_s";
return;
}
tmp = xtrystrdup (value? value : "");
if (!tmp)
{
ctx->failure = "Out of memory in audit_event";
return;
}
if (!(item = create_log_item (ctx)))
{
xfree (tmp);
return;
}
item->event = event;
item->string = tmp;
}
/* Add a new event to the audit log. If CTX is NULL, this function
does nothing. This version also adds the certificate CERT and the
result of an operation to the log. */
void
audit_log_cert (audit_ctx_t ctx, audit_event_t event,
ksba_cert_t cert, gpg_error_t err)
{
log_item_t item;
if (!ctx || ctx->failure)
return; /* Audit not enabled or an internal error has occurred. */
if (!event)
{
ctx->failure = "Invalid event passed to audit_log_cert";
return;
}
if (!(item = create_log_item (ctx)))
return;
item->event = event;
item->err = err;
item->have_err = 1;
if (cert)
{
ksba_cert_ref (cert);
item->cert = cert;
}
}
/* Write TEXT to the outstream. */
static void
writeout (audit_ctx_t ctx, const char *text)
{
if (ctx->use_html)
{
for (; *text; text++)
{
if (*text == '<')
es_fputs ("&lt;", ctx->outstream);
else if (*text == '&')
es_fputs ("&amp;", ctx->outstream);
else
es_putc (*text, ctx->outstream);
}
}
else
es_fputs (text, ctx->outstream);
}
/* Write TEXT to the outstream using a variable argument list. */
static void
writeout_v (audit_ctx_t ctx, const char *format, va_list arg_ptr)
{
char *buf;
estream_vasprintf (&buf, format, arg_ptr);
if (buf)
{
writeout (ctx, buf);
xfree (buf);
}
else
writeout (ctx, "[!!Out of core!!]");
}
/* Write TEXT as a paragraph. */
static void
writeout_para (audit_ctx_t ctx, const char *format, ...)
{
va_list arg_ptr;
if (ctx->use_html)
es_fputs ("<p>", ctx->outstream);
va_start (arg_ptr, format) ;
writeout_v (ctx, format, arg_ptr);
va_end (arg_ptr);
if (ctx->use_html)
es_fputs ("</p>\n", ctx->outstream);
else
es_fputc ('\n', ctx->outstream);
}
static void
enter_li (audit_ctx_t ctx)
{
if (ctx->use_html)
{
if (!ctx->indentlevel)
{
es_fputs ("<table border=\"0\">\n"
" <colgroup>\n"
" <col width=\"80%\" />\n"
" <col width=\"20%\" />\n"
" </colgroup>\n",
ctx->outstream);
}
}
ctx->indentlevel++;
}
static void
leave_li (audit_ctx_t ctx)
{
ctx->indentlevel--;
if (ctx->use_html)
{
if (!ctx->indentlevel)
es_fputs ("</table>\n", ctx->outstream);
}
}
/* Write TEXT as a list element. If OKTEXT is not NULL, append it to
the last line. */
static void
writeout_li (audit_ctx_t ctx, const char *oktext, const char *format, ...)
{
va_list arg_ptr;
const char *color = NULL;
if (ctx->use_html && format && oktext)
{
if (!strcmp (oktext, "Yes"))
color = "green";
else if (!strcmp (oktext, "No"))
color = "red";
}
if (ctx->use_html)
{
int i;
es_fputs (" <tr><td><table><tr><td>", ctx->outstream);
if (color)
es_fprintf (ctx->outstream, "<font color=\"%s\">*</font>", color);
else
es_fputs ("*", ctx->outstream);
for (i=1; i < ctx->indentlevel; i++)
es_fputs ("&nbsp;&nbsp;", ctx->outstream);
es_fputs ("</td><td>", ctx->outstream);
}
else
es_fprintf (ctx->outstream, "* %*s", (ctx->indentlevel-1)*2, "");
if (format)
{
va_start (arg_ptr, format) ;
writeout_v (ctx, format, arg_ptr);
va_end (arg_ptr);
}
if (ctx->use_html)
es_fputs ("</td></tr></table>", ctx->outstream);
if (format && oktext)
{
if (ctx->use_html)
{
es_fputs ("</td><td>", ctx->outstream);
if (color)
es_fprintf (ctx->outstream, "<font color=\"%s\">", color);
}
else
writeout (ctx, ": ");
writeout (ctx, oktext);
if (color)
es_fputs ("</font>", ctx->outstream);
}
if (ctx->use_html)
es_fputs ("</td></tr>\n", ctx->outstream);
else
es_fputc ('\n', ctx->outstream);
}
/* Write a remark line. */
static void
writeout_rem (audit_ctx_t ctx, const char *format, ...)
{
va_list arg_ptr;
if (ctx->use_html)
{
int i;
es_fputs (" <tr><td><table><tr><td>*", ctx->outstream);
for (i=1; i < ctx->indentlevel; i++)
es_fputs ("&nbsp;&nbsp;", ctx->outstream);
es_fputs ("&nbsp;&nbsp;&nbsp;</td><td> (", ctx->outstream);
}
else
es_fprintf (ctx->outstream, "* %*s (", (ctx->indentlevel-1)*2, "");
if (format)
{
va_start (arg_ptr, format) ;
writeout_v (ctx, format, arg_ptr);
va_end (arg_ptr);
}
if (ctx->use_html)
es_fputs (")</td></tr></table></td></tr>\n", ctx->outstream);
else
es_fputs (")\n", ctx->outstream);
}
/* Return the first log item for EVENT. If STOPEVENT is not 0 never
look behind that event in the log. If STARTITEM is not NULL start
search _after_that item. */
static log_item_t
find_next_log_item (audit_ctx_t ctx, log_item_t startitem,
audit_event_t event, audit_event_t stopevent)
{
int idx;
for (idx=0; idx < ctx->logused; idx++)
{
if (startitem)
{
if (ctx->log + idx == startitem)
startitem = NULL;
}
else if (stopevent && ctx->log[idx].event == stopevent)
break;
else if (ctx->log[idx].event == event)
return ctx->log + idx;
}
return NULL;
}
static log_item_t
find_log_item (audit_ctx_t ctx, audit_event_t event, audit_event_t stopevent)
{
return find_next_log_item (ctx, NULL, event, stopevent);
}
/* Helper to a format a serial number. */
static char *
format_serial (ksba_const_sexp_t sn)
{
const char *p = (const char *)sn;
unsigned long n;
char *endp;
if (!p)
return NULL;
if (*p != '(')
BUG (); /* Not a valid S-expression. */
n = strtoul (p+1, &endp, 10);
p = endp;
if (*p != ':')
BUG (); /* Not a valid S-expression. */
return bin2hex (p+1, n, NULL);
}
/* Return a malloced string with the serial number and the issuer DN
of the certificate. */
static char *
get_cert_name (ksba_cert_t cert)
{
char *result;
ksba_sexp_t sn;
char *issuer, *p;
if (!cert)
return xtrystrdup ("[no certificate]");
issuer = ksba_cert_get_issuer (cert, 0);
sn = ksba_cert_get_serial (cert);
if (issuer && sn)
{
p = format_serial (sn);
if (!p)
result = xtrystrdup ("[invalid S/N]");
else
{
result = xtrymalloc (strlen (p) + strlen (issuer) + 2 + 1);
if (result)
{
*result = '#';
strcpy (stpcpy (stpcpy (result+1, p),"/"), issuer);
}
xfree (p);
}
}
else
result = xtrystrdup ("[missing S/N or issuer]");
ksba_free (sn);
xfree (issuer);
return result;
}
/* Return a malloced string with the serial number and the issuer DN
of the certificate. */
static char *
get_cert_subject (ksba_cert_t cert, int idx)
{
char *result;
char *subject;
if (!cert)
return xtrystrdup ("[no certificate]");
subject = ksba_cert_get_subject (cert, idx);
if (subject)
{
result = xtrymalloc (strlen (subject) + 1 + 1);
if (result)
{
*result = '/';
strcpy (result+1, subject);
}
}
else
result = NULL;
xfree (subject);
return result;
}
/* List the given certificiate. If CERT is NULL, this is a NOP. */
static void
list_cert (audit_ctx_t ctx, ksba_cert_t cert, int with_subj)
{
char *name;
int idx;
name = get_cert_name (cert);
writeout_rem (ctx, "%s", name);
xfree (name);
if (with_subj)
{
enter_li (ctx);
for (idx=0; (name = get_cert_subject (cert, idx)); idx++)
{
writeout_rem (ctx, "%s", name);
xfree (name);
}
leave_li (ctx);
}
}
/* List the chain of certificates from STARTITEM up to STOPEVENT. The
certifcates are written out as comments. */
static void
list_certchain (audit_ctx_t ctx, log_item_t startitem, audit_event_t stopevent)
{
log_item_t item;
startitem = find_next_log_item (ctx, startitem, AUDIT_CHAIN_BEGIN,stopevent);
writeout_li (ctx, startitem? "Yes":"No", _("Certificate chain available"));
if (!startitem)
return;
item = find_next_log_item (ctx, startitem,
AUDIT_CHAIN_ROOTCERT, AUDIT_CHAIN_END);
if (!item)
writeout_rem (ctx, "%s", _("root certificate missing"));
else
{
list_cert (ctx, item->cert, 0);
}
item = startitem;
while ( ((item = find_next_log_item (ctx, item,
AUDIT_CHAIN_CERT, AUDIT_CHAIN_END))))
{
list_cert (ctx, item->cert, 1);
}
}
/* Process an encrypt operation's log. */
static void
proc_type_encrypt (audit_ctx_t ctx)
{
log_item_t loopitem, item;
int recp_no, idx;
char numbuf[35];
int algo;
char *name;
item = find_log_item (ctx, AUDIT_ENCRYPTION_DONE, 0);
writeout_li (ctx, item?"Yes":"No", "%s", _("Data encryption succeeded"));
enter_li (ctx);
item = find_log_item (ctx, AUDIT_GOT_DATA, 0);
writeout_li (ctx, item? "Yes":"No", "%s", _("Data available"));
item = find_log_item (ctx, AUDIT_SESSION_KEY, 0);
writeout_li (ctx, item? "Yes":"No", "%s", _("Session key created"));
if (item)
{
algo = gcry_cipher_map_name (item->string);
if (algo)
writeout_rem (ctx, _("algorithm: %s"), gcry_cipher_algo_name (algo));
else if (item->string && !strcmp (item->string, "1.2.840.113549.3.2"))
writeout_rem (ctx, _("unsupported algorithm: %s"), "RC2");
else if (item->string)
writeout_rem (ctx, _("unsupported algorithm: %s"), item->string);
else
writeout_rem (ctx, _("seems to be not encrypted"));
}
item = find_log_item (ctx, AUDIT_GOT_RECIPIENTS, 0);
snprintf (numbuf, sizeof numbuf, "%d",
item && item->have_intvalue? item->intvalue : 0);
writeout_li (ctx, numbuf, "%s", _("Number of recipients"));
/* Loop over all recipients. */
loopitem = NULL;
recp_no = 0;
while ((loopitem=find_next_log_item (ctx, loopitem, AUDIT_ENCRYPTED_TO, 0)))
{
recp_no++;
writeout_li (ctx, NULL, _("Recipient %d"), recp_no);
if (loopitem->cert)
{
name = get_cert_name (loopitem->cert);
writeout_rem (ctx, "%s", name);
xfree (name);
enter_li (ctx);
for (idx=0; (name = get_cert_subject (loopitem->cert, idx)); idx++)
{
writeout_rem (ctx, "%s", name);
xfree (name);
}
leave_li (ctx);
}
}
leave_li (ctx);
}
/* Process a sign operation's log. */
static void
proc_type_sign (audit_ctx_t ctx)
{
log_item_t item;
item = NULL;
writeout_li (ctx, item?"Yes":"No", "%s", _("Data signing succeeded"));
enter_li (ctx);
item = find_log_item (ctx, AUDIT_GOT_DATA, 0);
writeout_li (ctx, item? "Yes":"No", "%s", _("Data available"));
leave_li (ctx);
}
/* Process a decrypt operation's log. */
static void
proc_type_decrypt (audit_ctx_t ctx)
{
log_item_t item;
item = NULL;
writeout_li (ctx, item?"Yes":"No", "%s", _("Data decryption succeeded"));
enter_li (ctx);
item = find_log_item (ctx, AUDIT_GOT_DATA, 0);
writeout_li (ctx, item? "Yes":"No", "%s", _("Data available"));
leave_li (ctx);
}
/* Process a verification operation's log. */
static void
proc_type_verify (audit_ctx_t ctx)
{
log_item_t loopitem, item;
int signo, count, idx;
char numbuf[35];
/* If there is at least one signature status we claim that the
verifciation succeeded. This does not mean that the data has
verified okay. */
item = find_log_item (ctx, AUDIT_SIG_STATUS, 0);
writeout_li (ctx, item?"Yes":"No", "%s", _("Data verification succeeded"));
enter_li (ctx);
item = find_log_item (ctx, AUDIT_GOT_DATA, AUDIT_NEW_SIG);
writeout_li (ctx, item? "Yes":"No", "%s", _("Data available"));
if (!item)
goto leave;
item = find_log_item (ctx, AUDIT_NEW_SIG, 0);
writeout_li (ctx, item? "Yes":"No", "%s", _("Signature available"));
if (!item)
goto leave;
item = find_log_item (ctx, AUDIT_DATA_HASH_ALGO, AUDIT_NEW_SIG);
writeout_li (ctx, item?"Yes":"No", "%s", _("Parsing signature succeeded"));
if (!item)
{
item = find_log_item (ctx, AUDIT_BAD_DATA_HASH_ALGO, AUDIT_NEW_SIG);
if (item)
writeout_rem (ctx, _("Bad hash algorithm: %s"),
item->string? item->string:"?");
goto leave;
}
/* Loop over all signatures. */
loopitem = find_log_item (ctx, AUDIT_NEW_SIG, 0);
assert (loopitem);
do
{
signo = loopitem->have_intvalue? loopitem->intvalue : -1;
item = find_next_log_item (ctx, loopitem,
AUDIT_SIG_STATUS, AUDIT_NEW_SIG);
writeout_li (ctx, item? item->string:"?", _("Signature %d"), signo);
item = find_next_log_item (ctx, loopitem,
AUDIT_SIG_NAME, AUDIT_NEW_SIG);
if (item)
writeout_rem (ctx, "%s", item->string);
enter_li (ctx);
/* List the certificate chain. */
list_certchain (ctx, loopitem, AUDIT_NEW_SIG);
/* Show the result of the chain validation. */
item = find_next_log_item (ctx, loopitem,
AUDIT_CHAIN_STATUS, AUDIT_NEW_SIG);
if (item && item->have_err)
{
writeout_li (ctx, item->err? "No":"Yes",
_("Certificate chain valid"));
if (item->err)
writeout_rem (ctx, "%s", gpg_strerror (item->err));
}
/* Show whether the root certificate is fine. */
item = find_next_log_item (ctx, loopitem,
AUDIT_ROOT_TRUSTED, AUDIT_CHAIN_STATUS);
if (item)
{
writeout_li (ctx, item->err?"No":"Yes", "%s",
_("Root certificate trustworthy"));
if (item->err)
{
add_helptag (ctx, "gpgsm.root-cert-not-trusted");
writeout_rem (ctx, "%s", gpg_strerror (item->err));
list_cert (ctx, item->cert, 0);
}
}
/* Show result of the CRL/OCSP check. */
writeout_li (ctx, "-", "%s", _("CRL/OCSP check of certificates"));
/* add_helptag (ctx, "gpgsm.ocsp-problem"); */
leave_li (ctx);
}
while ((loopitem = find_next_log_item (ctx, loopitem, AUDIT_NEW_SIG, 0)));
leave:
/* Always list the certificates stored in the signature. */
item = NULL;
count = 0;
while ( ((item = find_next_log_item (ctx, item,
AUDIT_SAVE_CERT, AUDIT_NEW_SIG))))
count++;
snprintf (numbuf, sizeof numbuf, "%d", count);
writeout_li (ctx, numbuf, _("Included certificates"));
item = NULL;
while ( ((item = find_next_log_item (ctx, item,
AUDIT_SAVE_CERT, AUDIT_NEW_SIG))))
{
char *name = get_cert_name (item->cert);
writeout_rem (ctx, "%s", name);
xfree (name);
enter_li (ctx);
for (idx=0; (name = get_cert_subject (item->cert, idx)); idx++)
{
writeout_rem (ctx, "%s", name);
xfree (name);
}
leave_li (ctx);
}
leave_li (ctx);
}
/* Print the formatted audit result. THIS IS WORK IN PROGRESS. */
void
audit_print_result (audit_ctx_t ctx, estream_t out, int use_html)
{
int idx;
size_t n;
log_item_t item;
helptag_t helptag;
const char *s;
int show_raw = 0;
if (!ctx)
return;
/* We use an environment variable to include some debug info in the
log. */
if ((s = getenv ("gnupg_debug_audit")))
{
show_raw = 1;
if (!strcmp (s, "html"))
use_html = 1;
}
assert (!ctx->outstream);
ctx->outstream = out;
ctx->use_html = use_html;
ctx->indentlevel = 0;
clear_helptags (ctx);
if (use_html)
es_fputs ("<div class=\"GnuPGAuditLog\">\n", ctx->outstream);
if (!ctx->log || !ctx->logused)
{
writeout_para (ctx, _("No audit log entries."));
goto leave;
}
if (show_raw)
{
int maxlen;
for (idx=0,maxlen=0; idx < DIM (eventstr_msgidx); idx++)
{
n = strlen (eventstr_msgstr + eventstr_msgidx[idx]);
if (n > maxlen)
maxlen = n;
}
if (use_html)
es_fputs ("<pre>\n", out);
for (idx=0; idx < ctx->logused; idx++)
{
es_fprintf (out, "log: %-*s",
maxlen, event2str (ctx->log[idx].event));
if (ctx->log[idx].have_intvalue)
es_fprintf (out, " i=%d", ctx->log[idx].intvalue);
if (ctx->log[idx].string)
{
es_fputs (" s=`", out);
writeout (ctx, ctx->log[idx].string);
es_fputs ("'", out);
}
if (ctx->log[idx].cert)
es_fprintf (out, " has_cert");
if (ctx->log[idx].have_err)
{
es_fputs (" err=`", out);
writeout (ctx, gpg_strerror (ctx->log[idx].err));
es_fputs ("'", out);
}
es_fputs ("\n", out);
}
if (use_html)
es_fputs ("</pre>\n", out);
else
es_fputs ("\n", out);
}
enter_li (ctx);
switch (ctx->type)
{
case AUDIT_TYPE_NONE:
writeout_li (ctx, NULL, _("Unknown operation"));
break;
case AUDIT_TYPE_ENCRYPT:
proc_type_encrypt (ctx);
break;
case AUDIT_TYPE_SIGN:
proc_type_sign (ctx);
break;
case AUDIT_TYPE_DECRYPT:
proc_type_decrypt (ctx);
break;
case AUDIT_TYPE_VERIFY:
proc_type_verify (ctx);
break;
}
item = find_log_item (ctx, AUDIT_AGENT_READY, 0);
if (item && item->have_err)
{
writeout_li (ctx, item->err? "No":"Yes", "%s", _("Gpg-Agent usable"));
if (item->err)
{
writeout_rem (ctx, "%s", gpg_strerror (item->err));
add_helptag (ctx, "gnupg.agent-problem");
}
}
item = find_log_item (ctx, AUDIT_DIRMNGR_READY, 0);
if (item && item->have_err)
{
writeout_li (ctx, item->err? "No":"Yes", "%s", _("Dirmngr usable"));
if (item->err)
{
writeout_rem (ctx, "%s", gpg_strerror (item->err));
add_helptag (ctx, "gnupg.dirmngr-problem");
}
}
leave_li (ctx);
/* Show the help from the collected help tags. */
if (ctx->helptags)
{
if (use_html)
{
es_fputs ("<hr/>\n", ctx->outstream);
if (ctx->helptags->next)
es_fputs ("<ul>\n", ctx->outstream);
}
else
es_fputs ("\n\n", ctx->outstream);
}
for (helptag = ctx->helptags; helptag; helptag = helptag->next)
{
char *text;
if (use_html && ctx->helptags->next)
es_fputs ("<li>\n", ctx->outstream);
text = gnupg_get_help_string (helptag->name, 0);
if (text)
{
writeout_para (ctx, "%s", text);
xfree (text);
}
else
writeout_para (ctx, _("No help available for `%s'."), helptag->name);
if (use_html && ctx->helptags->next)
es_fputs ("</li>\n", ctx->outstream);
if (helptag->next)
es_fputs ("\n", ctx->outstream);
}
if (use_html && ctx->helptags && ctx->helptags->next)
es_fputs ("</ul>\n", ctx->outstream);
leave:
if (use_html)
es_fputs ("</div>\n", ctx->outstream);
ctx->outstream = NULL;
ctx->use_html = 0;
clear_helptags (ctx);
}
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