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* gpgkeys_ldap.c (ldap_quote, get_name, search_key): LDAP-quote

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directly into place rather than mallocing temporary buffers.
This commit is contained in:
David Shaw 2006-04-11 03:25:25 +00:00
parent af0a0ae6ee
commit ed776a913f
2 changed files with 13 additions and 47 deletions
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3
keyserver/ChangeLog
View File

@ -1,5 +1,8 @@
2006-04-10 David Shaw <dshaw@jabberwocky.com>
* gpgkeys_ldap.c (ldap_quote, get_name, search_key): LDAP-quote
directly into place rather than mallocing temporary buffers.
* gpgkeys_ldap.c (get_name): Build strings with strcat rather than
using sprintf which is harder to read and modify.

57
keyserver/gpgkeys_ldap.c
View File

@ -1121,36 +1121,25 @@ get_key(char *getkey)
#define LDAP_ESCAPE_CHARS "*()\\"
static int
/* Append string to buffer in a LDAP-quoted way */
static void
ldap_quote(char *buffer,const char *string)
{
int count=0;
/* Find the end of buffer */
buffer+=strlen(buffer);
for(;*string;string++)
{
if(strchr(LDAP_ESCAPE_CHARS,*string))
{
if(buffer)
{
sprintf(buffer,"\\%02X",*string);
buffer+=3;
}
count+=3;
sprintf(buffer,"\\%02X",*string);
buffer+=3;
}
else
{
if(buffer)
*buffer++=*string;
count++;
}
*buffer++=*string;
}
if(buffer)
*buffer='\0';
return count;
*buffer='\0';
}
/* Note that key-not-found is not a fatal error */
@ -1159,7 +1148,6 @@ get_name(char *getkey)
{
LDAPMessage *res,*each;
int ret=KEYSERVER_INTERNAL_ERROR,err,count;
char *expanded_search;
/* The maximum size of the search, including the optional stuff and
the trailing \0 */
char search[2+12+(MAX_LINE*3)+2+15+14+1+1+20];
@ -1172,16 +1160,6 @@ get_name(char *getkey)
attrs[0]=pgpkeystr; /* Some compilers don't like using variables as
array initializers. */
expanded_search=malloc(ldap_quote(NULL,getkey)+1);
if(!expanded_search)
{
fprintf(output,"NAME %s FAILED %d\n",getkey,KEYSERVER_NO_MEMORY);
fprintf(console,"Out of memory when quoting LDAP search string\n");
return KEYSERVER_NO_MEMORY;
}
ldap_quote(expanded_search,getkey);
/* Build the search string */
search[0]='\0';
@ -1190,7 +1168,7 @@ get_name(char *getkey)
strcat(search,"(&");
strcat(search,"(pgpUserID=*");
strcat(search,expanded_search);
ldap_quote(search,getkey);
strcat(search,"*)");
if(!opt->flags.include_disabled)
@ -1202,8 +1180,6 @@ get_name(char *getkey)
if(!opt->flags.include_disabled || !opt->flags.include_revoked)
strcat(search,")");
free(expanded_search);
if(opt->verbose>2)
fprintf(console,"gpgkeys: LDAP fetch for: %s\n",search);
@ -1299,7 +1275,6 @@ search_key(const char *searchkey)
LDAPMessage *res,*each;
int err,count=0;
struct keylist *dupelist=NULL;
char *expanded_search;
/* The maximum size of the search, including the optional stuff and
the trailing \0 */
char search[2+1+9+1+3+(MAX_LINE*3)+3+1+15+14+1+1+20];
@ -1316,16 +1291,6 @@ search_key(const char *searchkey)
fprintf(console,"search type is %d, and key is \"%s\"\n",
search_type,searchkey);
expanded_search=malloc(ldap_quote(NULL,searchkey)+1);
if(!expanded_search)
{
fprintf(output,"SEARCH %s FAILED %d\n",searchkey,KEYSERVER_NO_MEMORY);
fprintf(console,"Out of memory when quoting LDAP search string\n");
return KEYSERVER_NO_MEMORY;
}
ldap_quote(expanded_search,searchkey);
/* Build the search string */
search[0]='\0';
@ -1372,7 +1337,7 @@ search_key(const char *searchkey)
break;
}
strcat(search,expanded_search);
ldap_quote(search,searchkey);
switch(search_type)
{
@ -1405,8 +1370,6 @@ search_key(const char *searchkey)
if(!opt->flags.include_disabled || !opt->flags.include_revoked)
strcat(search,")");
free(expanded_search);
if(opt->verbose>2)
fprintf(console,"gpgkeys: LDAP search for: %s\n",search);