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* gpgkeys_hkp.c: (search_key, handle_old_hkp_index): Try and request a

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machine-readable key index.  If the server supports this, pass it through.
If the server does not support it, parse the "index" page.
This commit is contained in:
David Shaw 2002-09-13 18:45:36 +00:00
parent baffecaca2
commit 5c7c9fd6cd
2 changed files with 72 additions and 42 deletions
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7
keyserver/ChangeLog
View File

@ -1,3 +1,10 @@
2002-09-13 David Shaw <dshaw@jabberwocky.com>
* gpgkeys_hkp.c: (search_key, handle_old_hkp_index): Try and
request a machine-readable key index. If the server supports
this, pass it through. If the server does not support it, parse
the "index" page.
2002-09-12 Stefan Bellon <sbellon@sbellon.de>
* gpgkeys_hkp.c: Tidied up RISC OS initializations.

107
keyserver/gpgkeys_hkp.c
View File

@ -50,7 +50,7 @@ struct keylist
RISCOS_GLOBAL_STATICS("HKP Keyfetcher Heap")
#endif /* __riscos__ */
static int
int
urlencode_filter( void *opaque, int control,
IOBUF a, byte *buf, size_t *ret_len)
{
@ -77,7 +77,8 @@ urlencode_filter( void *opaque, int control,
}
/* Returns 0 on success, -1 on failure, and 1 on eof */
int send_key(void)
int
send_key(void)
{
int rc,gotit=0,ret=-1;
char keyid[17];
@ -186,7 +187,8 @@ int send_key(void)
return ret;
}
int get_key(char *getkey)
int
get_key(char *getkey)
{
int rc,gotit=0;
unsigned int maxlen=1024,buflen=0;
@ -283,7 +285,7 @@ int get_key(char *getkey)
/* Remove anything <between brackets> and de-urlencode in place. Note
that this requires all brackets to be closed on the same line. It
also means that the result is never larger than the input. */
static void
void
dehtmlize(char *line)
{
int parsedindex=0;
@ -351,7 +353,7 @@ dehtmlize(char *line)
}
}
static int
int
write_quoted(IOBUF a, const char *buf, char delim)
{
char quoted[5];
@ -388,7 +390,7 @@ write_quoted(IOBUF a, const char *buf, char delim)
LDAP server are close enough in output so the same function can
parse them both. */
static int
int
parse_hkp_index(IOBUF buffer,char *line)
{
static int open=0,revoked=0;
@ -396,7 +398,7 @@ parse_hkp_index(IOBUF buffer,char *line)
static u32 bits,createtime;
int ret=0;
/* printf("Open %d, LINE: \"%s\", uid: %s\n",open,line,uid); */
/* printf("Open %d, LINE: \"%s\", uid: %s\n",open,line,uid); */
dehtmlize(line);
@ -524,12 +526,49 @@ parse_hkp_index(IOBUF buffer,char *line)
return ret;
}
int search_key(char *searchkey)
void
handle_old_hkp_index(IOBUF input)
{
int ret,rc,count=0;
unsigned int maxlen=1024,buflen=0;
byte *line=NULL;
IOBUF buffer=iobuf_temp();
do
{
/* This is a judgement call. Is it better to slurp up all the
results before prompting the user? On the one hand, it
probably makes the keyserver happier to not be blocked on
sending for a long time while the user picks a key. On the
other hand, it might be nice for the server to be able to
stop sending before a large search result page is
complete. */
rc=iobuf_read_line(input,&line,&buflen,&maxlen);
ret=parse_hkp_index(buffer,line);
if(ret==-1)
break;
if(rc!=0)
count+=ret;
}
while(rc!=0);
m_free(line);
if(ret>-1)
fprintf(output,"COUNT %d\n%s",count,iobuf_get_temp_buffer(buffer));
iobuf_close(buffer);
}
int
search_key(char *searchkey)
{
int max=0,len=0,ret=-1,rc;
struct http_context hd;
char *search=NULL,*request=searchkey;
byte *line=NULL;
fprintf(output,"SEARCH %s BEGIN\n",searchkey);
@ -573,7 +612,7 @@ int search_key(char *searchkey)
return -1;
}
sprintf(request,"x-hkp://%s%s%s/pks/lookup?op=index&search=%s",
sprintf(request,"x-hkp://%s%s%s/pks/lookup?op=index&options=mr&search=%s",
host,port[0]?":":"",port[0]?port:"",search);
if(verbose>2)
@ -588,45 +627,28 @@ int search_key(char *searchkey)
else
{
unsigned int maxlen=1024,buflen=0;
int count=1;
IOBUF buffer;
byte *line=NULL;
buffer=iobuf_temp();
/* Is it a pksd that knows how to handle machine-readable
format? */
rc=1;
rc=iobuf_read_line(hd.fp_read,&line,&buflen,&maxlen);
if(line[0]=='<')
handle_old_hkp_index(hd.fp_read);
else
do
{
fprintf(output,"%s",line);
rc=iobuf_read_line(hd.fp_read,&line,&buflen,&maxlen);
}
while(rc!=0);
while(rc!=0)
{
/* This is a judgement call. Is it better to slurp up all
the results before prompting the user? On the one hand,
it probably makes the keyserver happier to not be blocked
on sending for a long time while the user picks a key.
On the other hand, it might be nice for the server to be
able to stop sending before a large search result page is
complete. */
rc=iobuf_read_line(hd.fp_read,&line,&buflen,&maxlen);
ret=parse_hkp_index(buffer,line);
if(ret==-1)
break;
if(rc!=0)
count+=ret;
}
m_free(line);
http_close(&hd);
count--;
if(ret>-1)
fprintf(output,"COUNT %d\n%s",count,iobuf_get_temp_buffer(buffer));
fprintf(output,"SEARCH %s END\n",searchkey);
iobuf_close(buffer);
m_free(line);
ret=0;
}
@ -636,7 +658,8 @@ int search_key(char *searchkey)
return ret;
}
int main(int argc,char *argv[])
int
main(int argc,char *argv[])
{
int arg,action=-1,ret=KEYSERVER_INTERNAL_ERROR;
char line[MAX_LINE];