aboutsummaryrefslogtreecommitdiffstats
path: root/keyserver/gpgkeys_http.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--keyserver/gpgkeys_http.c407
1 files changed, 0 insertions, 407 deletions
diff --git a/keyserver/gpgkeys_http.c b/keyserver/gpgkeys_http.c
deleted file mode 100644
index fb250b966..000000000
--- a/keyserver/gpgkeys_http.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/* gpgkeys_http.c - fetch a key via HTTP
- * Copyright (C) 2004, 2005 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 2 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-#define INCLUDED_BY_MAIN_MODULE 1
-#include "util.h"
-#include "http.h"
-#include "keyserver.h"
-#include "ksutil.h"
-
-#define GET 0
-
-extern char *optarg;
-extern int optind;
-
-static int verbose=0;
-static unsigned int http_flags=0;
-static char auth[MAX_AUTH+1];
-static char host[MAX_HOST+1];
-static char proxy[MAX_PROXY+1];
-static char port[MAX_PORT+1];
-static char path[URLMAX_PATH+1];
-static FILE *input,*output,*console;
-
-static int
-get_key(char *getkey)
-{
- int rc;
- char *request;
- struct http_context hd;
-
- if(strncmp(getkey,"0x",2)==0)
- getkey+=2;
-
- fprintf(output,"KEY 0x%s BEGIN\n",getkey);
-
- request=malloc(4+3+strlen(host)+1+strlen(port)+1+strlen(path)+50);
- if(!request)
- {
- fprintf(console,"gpgkeys: out of memory\n");
- return KEYSERVER_NO_MEMORY;
- }
-
- sprintf(request,"http://%s%s%s%s%s",host,
- port[0]?":":"",port[0]?port:"",path[0]?"":"/",path);
-
- rc=http_open_document(&hd,request,auth[0]?auth:NULL,
- http_flags,proxy[0]?proxy:NULL);
- if(rc!=0)
- {
- fprintf(console,"gpgkeys: HTTP fetch error: %s\n",
- rc==G10ERR_NETWORK?strerror(errno):g10_errstr(rc));
- fprintf(output,"KEY 0x%s FAILED %d\n",getkey,
- rc==G10ERR_NETWORK?KEYSERVER_UNREACHABLE:KEYSERVER_INTERNAL_ERROR);
- }
- else
- {
- unsigned int maxlen=1024,buflen,gotit=0;
- byte *line=NULL;
-
- while(iobuf_read_line(hd.fp_read,&line,&buflen,&maxlen))
- {
- maxlen=1024;
-
- if(gotit)
- {
- print_nocr(output,line);
- if(strncmp(line,END,strlen(END))==0)
- break;
- }
- else
- if(strncmp(line,BEGIN,strlen(BEGIN))==0)
- {
- print_nocr(output,line);
- gotit=1;
- }
- }
-
- if(gotit)
- fprintf(output,"KEY 0x%s END\n",getkey);
- else
- {
- fprintf(console,"gpgkeys: key %s not found on keyserver\n",getkey);
- fprintf(output,"KEY 0x%s FAILED %d\n",
- getkey,KEYSERVER_KEY_NOT_FOUND);
- }
-
- xfree(line);
- http_close(&hd);
- }
-
- free(request);
-
- return KEYSERVER_OK;
-}
-
-static void
-show_help (FILE *fp)
-{
- fprintf (fp,"-h\thelp\n");
- fprintf (fp,"-V\tversion\n");
- fprintf (fp,"-o\toutput to this file\n");
-}
-
-int
-main(int argc,char *argv[])
-{
- int arg,action=-1,ret=KEYSERVER_INTERNAL_ERROR;
- char line[MAX_LINE];
- char *thekey=NULL;
- unsigned int timeout=DEFAULT_KEYSERVER_TIMEOUT;
-
- console=stderr;
-
- /* Kludge to implement standard GNU options. */
- if (argc > 1 && !strcmp (argv[1], "--version"))
- {
- fputs ("gpgkeys_http (GnuPG) " VERSION"\n", stdout);
- return 0;
- }
- else if (argc > 1 && !strcmp (argv[1], "--help"))
- {
- show_help (stdout);
- return 0;
- }
-
- while((arg=getopt(argc,argv,"hVo:"))!=-1)
- switch(arg)
- {
- default:
- case 'h':
- show_help (console);
- return KEYSERVER_OK;
-
- case 'V':
- fprintf(stdout,"%d\n%s\n",KEYSERVER_PROTO_VERSION,VERSION);
- return KEYSERVER_OK;
-
- case 'o':
- output=fopen(optarg,"w");
- if(output==NULL)
- {
- fprintf(console,"gpgkeys: Cannot open output file `%s': %s\n",
- optarg,strerror(errno));
- return KEYSERVER_INTERNAL_ERROR;
- }
-
- break;
- }
-
- if(argc>optind)
- {
- input=fopen(argv[optind],"r");
- if(input==NULL)
- {
- fprintf(console,"gpgkeys: Cannot open input file `%s': %s\n",
- argv[optind],strerror(errno));
- return KEYSERVER_INTERNAL_ERROR;
- }
- }
-
- if(input==NULL)
- input=stdin;
-
- if(output==NULL)
- output=stdout;
-
- /* Get the command and info block */
-
- while(fgets(line,MAX_LINE,input)!=NULL)
- {
- int version;
- char command[MAX_COMMAND+1];
- char option[MAX_OPTION+1];
- char hash;
-
- if(line[0]=='\n')
- break;
-
- if(sscanf(line,"%c",&hash)==1 && hash=='#')
- continue;
-
- if(sscanf(line,"COMMAND %" MKSTRING(MAX_COMMAND) "s\n",command)==1)
- {
- command[MAX_COMMAND]='\0';
-
- if(strcasecmp(command,"get")==0)
- action=GET;
-
- continue;
- }
-
- if(sscanf(line,"AUTH %" MKSTRING(MAX_AUTH) "s\n",auth)==1)
- {
- auth[MAX_AUTH]='\0';
- continue;
- }
-
- if(sscanf(line,"HOST %" MKSTRING(MAX_HOST) "s\n",host)==1)
- {
- host[MAX_HOST]='\0';
- continue;
- }
-
- if(sscanf(line,"PORT %" MKSTRING(MAX_PORT) "s\n",port)==1)
- {
- port[MAX_PORT]='\0';
- continue;
- }
-
- if(sscanf(line,"PATH %" MKSTRING(URLMAX_PATH) "s\n",path)==1)
- {
- path[URLMAX_PATH]='\0';
- continue;
- }
-
- if(sscanf(line,"VERSION %d\n",&version)==1)
- {
- if(version!=KEYSERVER_PROTO_VERSION)
- {
- ret=KEYSERVER_VERSION_ERROR;
- goto fail;
- }
-
- continue;
- }
-
- if(sscanf(line,"OPTION %" MKSTRING(MAX_OPTION) "s\n",option)==1)
- {
- int no=0;
- char *start=&option[0];
-
- option[MAX_OPTION]='\0';
-
- if(strncasecmp(option,"no-",3)==0)
- {
- no=1;
- start=&option[3];
- }
-
- if(strcasecmp(start,"verbose")==0)
- {
- if(no)
- verbose--;
- else
- verbose++;
- }
- else if(strncasecmp(start,"http-proxy",10)==0)
- {
- if(no)
- proxy[0]='\0';
- else if(start[10]=='=')
- {
- strncpy(proxy,&start[11],79);
- proxy[79]='\0';
- }
- else if(start[10]=='\0')
- {
- char *http_proxy=getenv(HTTP_PROXY_ENV);
- if(http_proxy)
- {
- strncpy(proxy,http_proxy,79);
- proxy[79]='\0';
- }
- }
- }
- else if(strcasecmp(start,"broken-http-proxy")==0)
- {
- if(no)
- http_flags&=~HTTP_FLAG_NO_SHUTDOWN;
- else
- http_flags|=HTTP_FLAG_NO_SHUTDOWN;
- }
- else if(strcasecmp(start,"try-dns-srv")==0)
- {
- if(no)
- http_flags&=~HTTP_FLAG_TRY_SRV;
- else
- http_flags|=HTTP_FLAG_TRY_SRV;
- }
- else if(strncasecmp(start,"timeout",7)==0)
- {
- if(no)
- timeout=0;
- else if(start[7]=='=')
- timeout=atoi(&start[8]);
- else if(start[7]=='\0')
- timeout=DEFAULT_KEYSERVER_TIMEOUT;
- }
-
- continue;
- }
- }
-
- if(timeout && register_timeout()==-1)
- {
- fprintf(console,"gpgkeys: unable to register timeout handler\n");
- return KEYSERVER_INTERNAL_ERROR;
- }
-
- /* By suggested convention, if the user gives a :port, then disable
- SRV. */
- if(port[0])
- http_flags&=~HTTP_FLAG_TRY_SRV;
-
- /* If it's a GET or a SEARCH, the next thing to come in is the
- keyids. If it's a SEND, then there are no keyids. */
-
- if(action==GET)
- {
- /* Eat the rest of the file */
- for(;;)
- {
- if(fgets(line,MAX_LINE,input)==NULL)
- break;
- else
- {
- if(line[0]=='\n' || line[0]=='\0')
- break;
-
- if(!thekey)
- {
- thekey=strdup(line);
- if(!thekey)
- {
- fprintf(console,"gpgkeys: out of memory while "
- "building key list\n");
- ret=KEYSERVER_NO_MEMORY;
- goto fail;
- }
-
- /* Trim the trailing \n */
- thekey[strlen(line)-1]='\0';
- }
- }
- }
- }
- else
- {
- fprintf(console,
- "gpgkeys: this keyserver type only supports key retrieval\n");
- goto fail;
- }
-
- if(!thekey || !host[0])
- {
- fprintf(console,"gpgkeys: invalid keyserver instructions\n");
- goto fail;
- }
-
- /* Send the response */
-
- fprintf(output,"VERSION %d\n",KEYSERVER_PROTO_VERSION);
- fprintf(output,"PROGRAM %s\n\n",VERSION);
-
- if(verbose>1)
- {
- fprintf(console,"Host:\t\t%s\n",host);
- if(port[0])
- fprintf(console,"Port:\t\t%s\n",port);
- if(path[0])
- fprintf(console,"Path:\t\t%s\n",path);
- fprintf(console,"Command:\tGET\n");
- }
-
- set_timeout(timeout);
-
- ret=get_key(thekey);
-
- fail:
-
- free(thekey);
-
- if(input!=stdin)
- fclose(input);
-
- if(output!=stdout)
- fclose(output);
-
- return ret;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-21 00:39:21 +0000