36ef8f77bffe75d1aa327882be1b5bdbe2ff567asf

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb#include "mod_proxy.h"

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz#define CORE_PRIVATE

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz#include "http_log.h"

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz#include "http_vhost.h"

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz#include "http_request.h"

18b5268e013574026b2503b1641baf3299045f45sf#include "util_date.h"

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz

b38846b15c8891c6dec44dcc4f96ca40721bf663rbbstatic struct proxy_services defports[] =

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb{

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb {"http", DEFAULT_HTTP_PORT},

4f9c22c4f27571d54197be9674e1fc0d528192aestriker {"ftp", DEFAULT_FTP_PORT},

a2a0abd88b19e042a3eb2a9fa1702c25ad51303dwrowe {"https", DEFAULT_HTTPS_PORT},

4f9c22c4f27571d54197be9674e1fc0d528192aestriker {"gopher", DEFAULT_GOPHER_PORT},

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb {"nntp", DEFAULT_NNTP_PORT},

4f9c22c4f27571d54197be9674e1fc0d528192aestriker {"wais", DEFAULT_WAIS_PORT},

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb {"snews", DEFAULT_SNEWS_PORT},

4f9c22c4f27571d54197be9674e1fc0d528192aestriker {"prospero", DEFAULT_PROSPERO_PORT},

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb {NULL, -1} /* unknown port */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker};

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowestatic int alias_match(const char *uri, const char *alias_fakename)

963f8b44ac95132458ea3b6aaa8ebc135188e473takashi{

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe const char *end_fakename = alias_fakename + strlen(alias_fakename);

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe const char *aliasp = alias_fakename, *urip = uri;

2d399cd7535887fceaa9f8f116eb98ce68ddd602trawick

c2cf53a40a9814eb91db2cdf820f97d943f21628coar while (aliasp < end_fakename) {

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe if (*aliasp == '/') {

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe /* any number of '/' in the alias matches any number in

4760b58cc9fe170e4ad4648ed4ff7a422a2cef38sf if (*urip != '/')

4760b58cc9fe170e4ad4648ed4ff7a422a2cef38sf return 0;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar while (*aliasp == '/')

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ++aliasp;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe while (*urip == '/')

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ++urip;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe }

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe else {

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe /* Other characters are compared literally */

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe if (*urip++ != *aliasp++)

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe return 0;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe }

3e392a5afd51526de3cb15d57ee46d8cb160ae65gregames }

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf /* Check last alias path component matched all the way */

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe if (aliasp[-1] != '/' && *urip != '\0' && *urip != '/')

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe return 0;

8419e6f8bff1a3617933f3ba760d2bdec7442f44coar

8419e6f8bff1a3617933f3ba760d2bdec7442f44coar /* Return number of characters from URI which matched (may be

8419e6f8bff1a3617933f3ba760d2bdec7442f44coar

8419e6f8bff1a3617933f3ba760d2bdec7442f44coar return urip - uri;

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz}

2a6e98ba4ffa30ded5d8831664c5cb2a170a56b6coar

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowestatic int proxy_detect(request_rec *r)

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe{

4f9c22c4f27571d54197be9674e1fc0d528192aestriker void *sconf = r->server->module_config;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker proxy_server_conf *conf;

3e392a5afd51526de3cb15d57ee46d8cb160ae65gregames

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe conf = (proxy_server_conf *) ap_get_module_config(sconf, &proxy_module);

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe if (conf->req && r->parsed_uri.scheme) {

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe /* but it might be something vhosted */

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe if (!(r->parsed_uri.hostname

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe && !strcasecmp(r->parsed_uri.scheme, ap_http_method(r))

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf && ap_matches_request_vhost(r, r->parsed_uri.hostname,

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf r->parsed_uri.port_str ? r->parsed_uri.port : ap_default_port(r)))) {

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf r->proxyreq = 1;

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf r->uri = r->unparsed_uri;

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf r->filename = apr_pstrcat(r->pool, "proxy:", r->uri, NULL);

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe r->handler = "proxy-server";

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe }

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe }

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe /* We need special treatment for CONNECT proxying: it has no scheme part */

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe else if (conf->req && r->method_number == M_CONNECT

4f9c22c4f27571d54197be9674e1fc0d528192aestriker && r->parsed_uri.hostname

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe && r->parsed_uri.port_str) {

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe r->proxyreq = 1;

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe r->uri = r->unparsed_uri;

c2cf53a40a9814eb91db2cdf820f97d943f21628coar r->filename = apr_pstrcat(r->pool, "proxy:", r->uri, NULL);

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe r->handler = "proxy-server";

4775dfc34c90fada8c7c4d6a57ed8a3114d55c2dtrawick }

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe return DECLINED;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe}

11a0edf478ca9c59d80bf73491d89cf019259feeniq

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowestatic int proxy_trans(request_rec *r)

11a0edf478ca9c59d80bf73491d89cf019259feeniq{

11a0edf478ca9c59d80bf73491d89cf019259feeniq void *sconf = r->server->module_config;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe proxy_server_conf *conf =

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe (proxy_server_conf *) ap_get_module_config(sconf, &proxy_module);

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf int i, len;

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf struct proxy_alias *ent = (struct proxy_alias *) conf->aliases->elts;

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf if (r->proxyreq) {

efd83d1dd1a25688a3093c5a542ae16bacef62ddsf /* someone has already set up the proxy, it was possibly ourselves

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe return OK;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe }

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe /* XXX: since r->uri has been manipulated already we're not really

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe for (i = 0; i < conf->aliases->nelts; i++) {

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe len = alias_match(r->uri, ent[i].fake);

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if (len > 0) {

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe r->filename = apr_pstrcat(r->pool, "proxy:", ent[i].real,

fa06de8a28a737e8fbaad76d7f3ff67aaa5e4a09wrowe r->uri + len, NULL);

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd r->handler = "proxy-server";

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd r->proxyreq = 1;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd return OK;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd }

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar }

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes return DECLINED;

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes}

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes

18b5268e013574026b2503b1641baf3299045f45sf

18b5268e013574026b2503b1641baf3299045f45sfstatic int proxy_fixup(request_rec *r)

18b5268e013574026b2503b1641baf3299045f45sf{

18b5268e013574026b2503b1641baf3299045f45sf char *url, *p;

d9cc5de428947d5c7221d7d42ceefea649bcab48sf

18b5268e013574026b2503b1641baf3299045f45sf if (!r->proxyreq || strncmp(r->filename, "proxy:", 6) != 0)

18b5268e013574026b2503b1641baf3299045f45sf return DECLINED;

18b5268e013574026b2503b1641baf3299045f45sf

18b5268e013574026b2503b1641baf3299045f45sf url = &r->filename[6];

18b5268e013574026b2503b1641baf3299045f45sf

404381a78d109fd3a4a7702e69815e4d7ff6d93asf if (strncasecmp(url, "http:", 5) == 0)

404381a78d109fd3a4a7702e69815e4d7ff6d93asf return ap_proxy_http_canon(r, url + 5, "http", DEFAULT_HTTP_PORT);

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq else if (strncasecmp(url, "ftp:", 4) == 0)

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq return ap_proxy_ftp_canon(r, url + 4);

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq p = strchr(url, ':');

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq if (p == NULL || p == url)

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq return HTTP_BAD_REQUEST;

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq

1a7a4f8c6a312cb237e428c77da0792eb165dc7aniq return OK; /* otherwise; we've done the best we can */

18b5268e013574026b2503b1641baf3299045f45sf}

18b5268e013574026b2503b1641baf3299045f45sf

18b5268e013574026b2503b1641baf3299045f45sfstatic int proxy_needsdomain(request_rec *r, const char *url, const char *domain)

18b5268e013574026b2503b1641baf3299045f45sf{

18b5268e013574026b2503b1641baf3299045f45sf char *nuri;

18b5268e013574026b2503b1641baf3299045f45sf const char *ref;

18b5268e013574026b2503b1641baf3299045f45sf

4f9c22c4f27571d54197be9674e1fc0d528192aestriker /* We only want to worry about GETs */

18b5268e013574026b2503b1641baf3299045f45sf if (!r->proxyreq || r->method_number != M_GET || !r->parsed_uri.hostname)

18b5268e013574026b2503b1641baf3299045f45sf return DECLINED;

18b5268e013574026b2503b1641baf3299045f45sf

18b5268e013574026b2503b1641baf3299045f45sf /* If host does contain a dot already, or it is "localhost", decline */

d9cc5de428947d5c7221d7d42ceefea649bcab48sf if (strchr(r->parsed_uri.hostname, '.') != NULL

18b5268e013574026b2503b1641baf3299045f45sf || strcasecmp(r->parsed_uri.hostname, "localhost") == 0)

18b5268e013574026b2503b1641baf3299045f45sf return DECLINED; /* host name has a dot already */

18b5268e013574026b2503b1641baf3299045f45sf

18b5268e013574026b2503b1641baf3299045f45sf ref = apr_table_get(r->headers_in, "Referer");

18b5268e013574026b2503b1641baf3299045f45sf

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes /* Reassemble the request, but insert the domain after the host name */

18b5268e013574026b2503b1641baf3299045f45sf /* Note that the domain name always starts with a dot */

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes r->parsed_uri.hostname = apr_pstrcat(r->pool, r->parsed_uri.hostname,

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes domain, NULL);

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes nuri = ap_unparse_uri_components(r->pool,

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes &r->parsed_uri,

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes UNP_REVEALPASSWORD);

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes

0d26b42fc1735e110c6dc83b114c56257b20070bbnicholes apr_table_set(r->headers_out, "Location", nuri);

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ap_log_rerror(APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, 0, r,

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe "Domain missing: %s sent to %s%s%s", r->uri,

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ap_unparse_uri_components(r->pool, &r->parsed_uri,

4f9c22c4f27571d54197be9674e1fc0d528192aestriker UNP_OMITUSERINFO),

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ref ? " from " : "", ref ? ref : "");

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

d176cb9e596e4603f76490f9211f62b5581b3091rooneg return HTTP_MOVED_PERMANENTLY;

d4abb06ac220bb280ae996b6d21bbd257db51bb1jerenkrantz}

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe

4760b58cc9fe170e4ad4648ed4ff7a422a2cef38sf

4760b58cc9fe170e4ad4648ed4ff7a422a2cef38sfstatic int proxy_handler(request_rec *r)

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe{

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe char *url, *scheme, *p;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe const char *p2;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe void *sconf = r->server->module_config;

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe proxy_server_conf *conf = (proxy_server_conf *)

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe ap_get_module_config(sconf, &proxy_module);

83a8dc5a596a8a1b9d14f063268287d123b9ed7ewrowe apr_array_header_t *proxies = conf->proxies;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe struct proxy_remote *ents = (struct proxy_remote *) proxies->elts;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe int i, rc;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe ap_cache_el *cr = NULL;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe int direct_connect = 0;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe const char *maxfwd_str;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker const char *pragma, *auth, *imstr;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe if (!r->proxyreq || strncmp(r->filename, "proxy:", 6) != 0)

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe return DECLINED;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe

0540a0b469147b52e858587270dba31c2aaa9e09wrowe if (r->method_number == M_TRACE &&

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe (maxfwd_str = apr_table_get(r->headers_in, "Max-Forwards")) != NULL) {

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe long maxfwd = strtol(maxfwd_str, NULL, 10);

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe if (maxfwd < 1) {

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe int access_status;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe r->proxyreq = 0;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if ((access_status = ap_send_http_trace(r)))

4f9c22c4f27571d54197be9674e1fc0d528192aestriker ap_die(access_status, r);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker else

4f9c22c4f27571d54197be9674e1fc0d528192aestriker ap_finalize_request_protocol(r);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker return OK;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd }

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd apr_table_setn(r->headers_in, "Max-Forwards",

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe apr_psprintf(r->pool, "%ld", (maxfwd > 0) ? maxfwd-1 : 0));

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe }

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd return rc;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd url = r->filename + 6;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd p = strchr(url, ':');

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if (p == NULL)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd return HTTP_BAD_REQUEST;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd pragma = apr_table_get(r->headers_in, "Pragma");

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd auth = apr_table_get(r->headers_in, "Authorization");

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd imstr = apr_table_get(r->headers_in, "If-Modified-Since");

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, NULL,

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp "Request for %s, pragma=%s, auth=%s, imstr=%s", url,

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp pragma, auth, imstr);

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp /* can this request be cached at all? */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if (r->method_number == M_GET && strlen(url) < 1024 &&

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd !ap_proxy_liststr(pragma, "no-cache") && auth == NULL)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if(ap_cache_seek(conf->cache, url, &cr) == APR_SUCCESS)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd int has_m = 0;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd /* now we need to check if the last modified date is write if */

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if(imstr)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd time_t ims = (time_t)ap_parseHTTPdate(ap_proxy_date_canon(r->pool, imstr));

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if(ims == BAD_DATE)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd apr_table_unset(r->headers_in, "If-Modified-Since");

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd else

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe {

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd /* ok we were asked to check, so let's do that */

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if(ap_cache_el_header(cr, "Last-Modified",

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe (char **)&imstr) == APR_SUCCESS)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

4f9c22c4f27571d54197be9674e1fc0d528192aestriker time_t lm =

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd ap_parseHTTPdate(ap_proxy_date_canon(r->pool, imstr)); if(lm != BAD_DATE)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if(ims < lm)

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd apr_table_set(r->headers_in,

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd "If-Modified-Since", imstr);

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd else

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd {

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd has_m = 1;

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe }

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd }

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd }

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd }

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe }

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe return has_m ? HTTP_NOT_MODIFIED : ap_proxy_cache_send(r, cr);

cc9582e53aead2a044077c4a92f3dfc3605590b3wrowe }

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb /* if there wasn't an entry in the cache we get here,

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb ap_cache_create(conf->cache, url, &cr);

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb }

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb /* If the host doesn't have a domain name, add one and redirect. */

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb if (conf->domain != NULL) {

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb rc = proxy_needsdomain(r, url, conf->domain);

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb if (ap_is_HTTP_REDIRECT(rc))

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb return HTTP_MOVED_PERMANENTLY;

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb }

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb *p = '\0';

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb scheme = apr_pstrdup(r->pool, url);

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb *p = ':';

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe /* Check URI's destination host against NoProxy hosts */

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe /* Bypass ProxyRemote server lookup if configured as NoProxy */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker /* we only know how to handle communication to a proxy via http */

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe /*if (strcasecmp(scheme, "http") == 0) */

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe {

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe int ii;

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe struct dirconn_entry *list = (struct dirconn_entry *) conf->dirconn->elts;

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe for (direct_connect = ii = 0; ii < conf->dirconn->nelts && !direct_connect; ii++) {

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe direct_connect = list[ii].matcher(&list[ii], r);

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe }

4f9c22c4f27571d54197be9674e1fc0d528192aestriker#if DEBUGGING

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe ap_log_rerror(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, r,

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe (direct_connect) ? "NoProxy for %s" : "UseProxy for %s",

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe r->uri);

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe#endif

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe }

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe if (!direct_connect)

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar for (i = 0; i < proxies->nelts; i++) {

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe p2 = ap_strchr_c(ents[i].scheme, ':'); /* is it a partial URL? */

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz if (strcmp(ents[i].scheme, "*") == 0 ||

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz (p2 == NULL && strcasecmp(scheme, ents[i].scheme) == 0) ||

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz (p2 != NULL &&

1e911973bcb9df6701a4c16c037771ecf25ade13niq strncasecmp(url, ents[i].scheme, strlen(ents[i].scheme)) == 0)) {

1e911973bcb9df6701a4c16c037771ecf25ade13niq /* CONNECT is a special method that bypasses the normal

c3e233736c4a453cbb2166a041f779e86230630asf if (r->method_number == M_CONNECT)

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe rc = ap_proxy_connect_handler(r, cr, url, ents[i].hostname,

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar ents[i].port);

11fb2f3611e6ff9a541e10b13e3108934f828141gregames else if (strcasecmp(ents[i].protocol, "http") == 0)

11fb2f3611e6ff9a541e10b13e3108934f828141gregames rc = ap_proxy_http_handler(r, cr, url, ents[i].hostname,

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz ents[i].port);

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz else

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz rc = DECLINED;

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz

4f9c22c4f27571d54197be9674e1fc0d528192aestriker /* an error or success */

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe if (rc != DECLINED && rc != HTTP_BAD_GATEWAY)

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe return rc;

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe /* we failed to talk to the upstream proxy */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker }

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe }

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe

c3e233736c4a453cbb2166a041f779e86230630asf /* handle the scheme */

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe if (r->method_number == M_CONNECT)

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar return ap_proxy_connect_handler(r, cr, url, NULL, 0);

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar if (strcasecmp(scheme, "http") == 0)

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe return ap_proxy_http_handler(r, cr, url, NULL, 0);

c3e233736c4a453cbb2166a041f779e86230630asf if (strcasecmp(scheme, "ftp") == 0)

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe return ap_proxy_ftp_handler(r, cr, url);

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar else

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe return HTTP_FORBIDDEN;

1fbf6ba0f5207e6637b49f9a9dfcc779bbe952a9trawick}

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowestatic void * create_proxy_config(apr_pool_t *p, server_rec *s)

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz{

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz proxy_server_conf *ps = ap_pcalloc(p, sizeof(proxy_server_conf));

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz

7c301a1818939f85da8f3629cc3e9b5588610ef0jerenkrantz ps->proxies = ap_make_array(p, 10, sizeof(struct proxy_remote));

4f9c22c4f27571d54197be9674e1fc0d528192aestriker ps->aliases = ap_make_array(p, 10, sizeof(struct proxy_alias));

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe ps->raliases = ap_make_array(p, 10, sizeof(struct proxy_alias));

290ecc1ddceca1ed49bc1a5338921264b5c3e07cwrowe ps->noproxies = ap_make_array(p, 10, sizeof(struct noproxy_entry));

b38846b15c8891c6dec44dcc4f96ca40721bf663rbb ps->dirconn = ap_make_array(p, 10, sizeof(struct dirconn_entry));

8aefbd756763807188d2e3ce336a8680e4893066wrowe ps->nocaches = ap_make_array(p, 10, sizeof(struct nocache_entry));

700b96db75e7cfadb5219978c1735b710d583763wrowe ps->allowed_connect_ports = ap_make_array(p, 10, sizeof(int));

700b96db75e7cfadb5219978c1735b710d583763wrowe ps->cache_completion = DEFAULT_CACHE_COMPLETION;

700b96db75e7cfadb5219978c1735b710d583763wrowe ps->domain = NULL;

700b96db75e7cfadb5219978c1735b710d583763wrowe ps->viaopt = via_off; /* initially backward compatible with 1.3.1 */

700b96db75e7cfadb5219978c1735b710d583763wrowe ps->req = 0;

700b96db75e7cfadb5219978c1735b710d583763wrowe

700b96db75e7cfadb5219978c1735b710d583763wrowe ap_cache_init(&ps->cache, "mod_proxy cache", s);

700b96db75e7cfadb5219978c1735b710d583763wrowe return ps;

700b96db75e7cfadb5219978c1735b710d583763wrowe}

700b96db75e7cfadb5219978c1735b710d583763wrowe

700b96db75e7cfadb5219978c1735b710d583763wrowestatic const char *

700b96db75e7cfadb5219978c1735b710d583763wrowe add_proxy(cmd_parms *cmd, void *dummy, const char *f1, const char *r1)

700b96db75e7cfadb5219978c1735b710d583763wrowe{

700b96db75e7cfadb5219978c1735b710d583763wrowe server_rec *s = cmd->server;

700b96db75e7cfadb5219978c1735b710d583763wrowe proxy_server_conf *conf =

700b96db75e7cfadb5219978c1735b710d583763wrowe (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna struct proxy_remote *new;

700b96db75e7cfadb5219978c1735b710d583763wrowe char *p, *q;

700b96db75e7cfadb5219978c1735b710d583763wrowe char *r, *f;

6964758306167dd898baedd21048bd1515dd9d30trawick int port;

700b96db75e7cfadb5219978c1735b710d583763wrowe

700b96db75e7cfadb5219978c1735b710d583763wrowe r = apr_pstrdup(cmd->pool, r1);

700b96db75e7cfadb5219978c1735b710d583763wrowe f = apr_pstrdup(cmd->pool, f1);

700b96db75e7cfadb5219978c1735b710d583763wrowe p = strchr(r, ':');

700b96db75e7cfadb5219978c1735b710d583763wrowe if (p == NULL || p[1] != '/' || p[2] != '/' || p[3] == '\0')

700b96db75e7cfadb5219978c1735b710d583763wrowe return "ProxyRemote: Bad syntax for a remote proxy server";

700b96db75e7cfadb5219978c1735b710d583763wrowe q = strchr(p + 3, ':');

700b96db75e7cfadb5219978c1735b710d583763wrowe if (q != NULL) {

700b96db75e7cfadb5219978c1735b710d583763wrowe if (sscanf(q + 1, "%u", &port) != 1 || port > 65535)

700b96db75e7cfadb5219978c1735b710d583763wrowe return "ProxyRemote: Bad syntax for a remote proxy server (bad port number)";

700b96db75e7cfadb5219978c1735b710d583763wrowe *q = '\0';

700b96db75e7cfadb5219978c1735b710d583763wrowe }

700b96db75e7cfadb5219978c1735b710d583763wrowe else

700b96db75e7cfadb5219978c1735b710d583763wrowe port = -1;

700b96db75e7cfadb5219978c1735b710d583763wrowe *p = '\0';

700b96db75e7cfadb5219978c1735b710d583763wrowe if (strchr(f, ':') == NULL)

700b96db75e7cfadb5219978c1735b710d583763wrowe ap_str_tolower(f); /* lowercase scheme */

700b96db75e7cfadb5219978c1735b710d583763wrowe ap_str_tolower(p + 3); /* lowercase hostname */

700b96db75e7cfadb5219978c1735b710d583763wrowe

700b96db75e7cfadb5219978c1735b710d583763wrowe if (port == -1) {

700b96db75e7cfadb5219978c1735b710d583763wrowe int i;

700b96db75e7cfadb5219978c1735b710d583763wrowe for (i = 0; defports[i].scheme != NULL; i++)

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna if (strcasecmp(defports[i].scheme, r) == 0)

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna break;

700b96db75e7cfadb5219978c1735b710d583763wrowe port = defports[i].port;

700b96db75e7cfadb5219978c1735b710d583763wrowe }

700b96db75e7cfadb5219978c1735b710d583763wrowe

8aefbd756763807188d2e3ce336a8680e4893066wrowe new = apr_push_array(conf->proxies);

8aefbd756763807188d2e3ce336a8680e4893066wrowe new->scheme = f;

8aefbd756763807188d2e3ce336a8680e4893066wrowe new->protocol = r;

8aefbd756763807188d2e3ce336a8680e4893066wrowe new->hostname = p + 3;

8aefbd756763807188d2e3ce336a8680e4893066wrowe new->port = port;

8aefbd756763807188d2e3ce336a8680e4893066wrowe return NULL;

8aefbd756763807188d2e3ce336a8680e4893066wrowe}

8aefbd756763807188d2e3ce336a8680e4893066wrowe

8aefbd756763807188d2e3ce336a8680e4893066wrowestatic const char *

8aefbd756763807188d2e3ce336a8680e4893066wrowe set_cache_exclude(cmd_parms *cmd, void *dummy, const char *arg)

8aefbd756763807188d2e3ce336a8680e4893066wrowe{

8aefbd756763807188d2e3ce336a8680e4893066wrowe server_rec *s = cmd->server;

8aefbd756763807188d2e3ce336a8680e4893066wrowe proxy_server_conf *psf = (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);

8aefbd756763807188d2e3ce336a8680e4893066wrowe struct nocache_entry *new;

8aefbd756763807188d2e3ce336a8680e4893066wrowe struct nocache_entry *list = (struct nocache_entry *) psf->nocaches->elts;

a2a0abd88b19e042a3eb2a9fa1702c25ad51303dwrowe struct hostent hp;

8aefbd756763807188d2e3ce336a8680e4893066wrowe int found = 0;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe int i;

8aefbd756763807188d2e3ce336a8680e4893066wrowe

8aefbd756763807188d2e3ce336a8680e4893066wrowe /* Don't duplicate entries */

2fa5b5878e7567e2875807c3e2a2b3b0d3ef74bewrowe for (i = 0; i < psf->nocaches->nelts; i++) {

2fa5b5878e7567e2875807c3e2a2b3b0d3ef74bewrowe if (strcasecmp(arg, list[i].name) == 0) /* ignore case for host names */

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe found = 1;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe }

8aefbd756763807188d2e3ce336a8680e4893066wrowe

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd if (!found) {

8aefbd756763807188d2e3ce336a8680e4893066wrowe new = apr_push_array(psf->nocaches);

dc8692c6c0ca616a09aa12dad005f2ef23baa1a0wrowe new->name = arg;

a8d11d78181478da6a672f7fbc58b8d523351f49wrowe /* Don't do name lookups on things that aren't dotted */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if (ap_strchr_c(arg, '.') != NULL &&

23c6309e36a63b13b61c35999c978017521993d6wrowe ap_proxy_host2addr(new->name, &hp) == NULL)

23c6309e36a63b13b61c35999c978017521993d6wrowe /*@@@FIXME: This copies only the first of (possibly many) IP addrs */ memcpy(&new->addr, hp.h_addr, sizeof(struct in_addr));

4f9c22c4f27571d54197be9674e1fc0d528192aestriker else

23c6309e36a63b13b61c35999c978017521993d6wrowe new->addr.s_addr = 0;

8aefbd756763807188d2e3ce336a8680e4893066wrowe }

23c6309e36a63b13b61c35999c978017521993d6wrowe return NULL;

2d399cd7535887fceaa9f8f116eb98ce68ddd602trawick}

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

23c6309e36a63b13b61c35999c978017521993d6wrowestatic const char *

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe add_pass(cmd_parms *cmd, void *dummy, const char *f, const char *r)

8aefbd756763807188d2e3ce336a8680e4893066wrowe{

8aefbd756763807188d2e3ce336a8680e4893066wrowe server_rec *s = cmd->server;

cf6ef072483172309861d06e85b1aeff4573c060wrowe proxy_server_conf *conf =

cf6ef072483172309861d06e85b1aeff4573c060wrowe (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);

cf6ef072483172309861d06e85b1aeff4573c060wrowe struct proxy_alias *new;

8aefbd756763807188d2e3ce336a8680e4893066wrowe

4f9c22c4f27571d54197be9674e1fc0d528192aestriker new = apr_push_array(conf->aliases);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker new->fake = f;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe new->real = r;

2d399cd7535887fceaa9f8f116eb98ce68ddd602trawick return NULL;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe}

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

a8d11d78181478da6a672f7fbc58b8d523351f49wrowestatic const char *

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe add_pass_reverse(cmd_parms *cmd, void *dummy, const char *f, const char *r)

8aefbd756763807188d2e3ce336a8680e4893066wrowe{

8aefbd756763807188d2e3ce336a8680e4893066wrowe server_rec *s = cmd->server;

cf6ef072483172309861d06e85b1aeff4573c060wrowe proxy_server_conf *conf;

cf6ef072483172309861d06e85b1aeff4573c060wrowe struct proxy_alias *new;

cf6ef072483172309861d06e85b1aeff4573c060wrowe

8aefbd756763807188d2e3ce336a8680e4893066wrowe conf = (proxy_server_conf *)ap_get_module_config(s->module_config,

cf6ef072483172309861d06e85b1aeff4573c060wrowe &proxy_module);

cf6ef072483172309861d06e85b1aeff4573c060wrowe new = apr_push_array(conf->raliases);

a2b181763cb35fd899feb4a436aeadaa80bf91eabrianp new->fake = f;

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd new->real = r;

cf6ef072483172309861d06e85b1aeff4573c060wrowe return NULL;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker}

cf6ef072483172309861d06e85b1aeff4573c060wrowe

cf6ef072483172309861d06e85b1aeff4573c060wrowestatic const char *

cf6ef072483172309861d06e85b1aeff4573c060wrowe set_proxy_exclude(cmd_parms *parms, void *dummy, const char *arg)

cf6ef072483172309861d06e85b1aeff4573c060wrowe{

cf6ef072483172309861d06e85b1aeff4573c060wrowe server_rec *s = parms->server;

cf6ef072483172309861d06e85b1aeff4573c060wrowe proxy_server_conf *conf =

cf6ef072483172309861d06e85b1aeff4573c060wrowe ap_get_module_config(s->module_config, &proxy_module);

cf6ef072483172309861d06e85b1aeff4573c060wrowe struct noproxy_entry *new;

cf6ef072483172309861d06e85b1aeff4573c060wrowe struct noproxy_entry *list = (struct noproxy_entry *) conf->noproxies->elts;

69adb3d949e3dd17c0492a01fc2cf298832c7eefwrowe struct hostent hp;

ecde48c75338ff5712f2036711f813c6dedca28ewrowe int found = 0;

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick int i;

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick /* Don't duplicate entries */

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick for (i = 0; i < conf->noproxies->nelts; i++) {

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick if (strcasecmp(arg, list[i].name) == 0) /* ignore case for host names */

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick found = 1;

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick }

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick

ecde48c75338ff5712f2036711f813c6dedca28ewrowe if (!found) {

ecde48c75338ff5712f2036711f813c6dedca28ewrowe new = apr_push_array(conf->noproxies);

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick new->name = arg;

ecde48c75338ff5712f2036711f813c6dedca28ewrowe /* Don't do name lookups on things that aren't dotted */

ecde48c75338ff5712f2036711f813c6dedca28ewrowe if (ap_strchr_c(arg, '.') != NULL &&

ecde48c75338ff5712f2036711f813c6dedca28ewrowe ap_proxy_host2addr(new->name, &hp) == NULL)

ecde48c75338ff5712f2036711f813c6dedca28ewrowe /*@@@FIXME: This copies only the first of (possibly many) IP addrs */

ecde48c75338ff5712f2036711f813c6dedca28ewrowe memcpy(&new->addr, hp.h_addr, sizeof(struct in_addr));

d75626f0952c6152a99acd013a4f127d46f0f9edtrawick else

cf6ef072483172309861d06e85b1aeff4573c060wrowe new->addr.s_addr = 0;

cf6ef072483172309861d06e85b1aeff4573c060wrowe }

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar return NULL;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe}

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowestatic const char *

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe set_allowed_ports(cmd_parms *parms, void *dummy, const char *arg)

4f9c22c4f27571d54197be9674e1fc0d528192aestriker{

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe server_rec *s = parms->server;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe proxy_server_conf *conf =

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd ap_get_module_config(s->module_config, &proxy_module);

23c6309e36a63b13b61c35999c978017521993d6wrowe int *New;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

4f9c22c4f27571d54197be9674e1fc0d528192aestriker if (!apr_isdigit(arg[0]))

4f9c22c4f27571d54197be9674e1fc0d528192aestriker return "AllowCONNECT: port number must be numeric";

c2cf53a40a9814eb91db2cdf820f97d943f21628coar

170476518c96db46fff6fdce7cb9a3f24abfaea7rpluem New = apr_push_array(conf->allowed_connect_ports);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem *New = atoi(arg);

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe return NULL;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker}

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe

170476518c96db46fff6fdce7cb9a3f24abfaea7rpluemstatic const char *

a9a4544168a37b43bd180b3703ccee995f27a80awrowe set_proxy_dirconn(cmd_parms *parms, void *dummy, const char *arg)

4f9c22c4f27571d54197be9674e1fc0d528192aestriker{

a9a4544168a37b43bd180b3703ccee995f27a80awrowe server_rec *s = parms->server;

a9a4544168a37b43bd180b3703ccee995f27a80awrowe proxy_server_conf *conf =

170476518c96db46fff6fdce7cb9a3f24abfaea7rpluem ap_get_module_config(s->module_config, &proxy_module);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem struct dirconn_entry *New;

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem struct dirconn_entry *list = (struct dirconn_entry *) conf->dirconn->elts;

170476518c96db46fff6fdce7cb9a3f24abfaea7rpluem int found = 0;

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem int i;

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem /* Don't duplicate entries */

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem for (i = 0; i < conf->dirconn->nelts; i++) {

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem if (strcasecmp(arg, list[i].name) == 0)

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem found = 1;

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem }

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem if (!found) {

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem New = apr_push_array(conf->dirconn);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem New->name = apr_pstrdup(parms->pool, arg);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem New->hostentry = NULL;

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem if (ap_proxy_is_ipaddr(New, parms->pool)) {

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem#if DEBUGGING

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem "Parsed addr %s", inet_ntoa(New->addr));

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem "Parsed mask %s", inet_ntoa(New->mask));

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem#endif

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem }

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem else if (ap_proxy_is_domainname(New, parms->pool)) {

eb12400ff685a3b69476736ca4b5389f348b9d63rpluem ap_str_tolower(New->name);

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem#if DEBUGGING

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem "Parsed domain %s", New->name);

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem#endif

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem }

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem else if (ap_proxy_is_hostname(New, parms->pool)) {

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem ap_str_tolower(New->name);

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem#if DEBUGGING

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

75c02648f9afe9a1da5d5482703fcbca306ffcdcpquerna "Parsed host %s", New->name);

75c02648f9afe9a1da5d5482703fcbca306ffcdcpquerna#endif

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem }

ad099b4d62597be19f8dba650663e796cbaa8d28rpluem else {

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem ap_proxy_is_word(New, parms->pool);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem#if DEBUGGING

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem fprintf(stderr, "Parsed word %s\n", New->name);

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem#endif

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem }

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem }

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem return NULL;

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem}

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluemstatic const char *

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem set_proxy_domain(cmd_parms *parms, void *dummy, const char *arg)

534611d341a1a48b93c7a1fd5e333dbd261527d3rpluem{

a9a4544168a37b43bd180b3703ccee995f27a80awrowe proxy_server_conf *psf =

a9a4544168a37b43bd180b3703ccee995f27a80awrowe ap_get_module_config(parms->server->module_config, &proxy_module);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar if (arg[0] != '.')

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe return "ProxyDomain: domain name must start with a dot.";

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar

731344ed8f3677d1661c261ca5fcdd2ee3dbc74ccoar psf->domain = arg;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe return NULL;

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe}

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowestatic const char *

8aefbd756763807188d2e3ce336a8680e4893066wrowe set_proxy_req(cmd_parms *parms, void *dummy, int flag)

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe{

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe proxy_server_conf *psf =

a72211e92bab814bfa28ee086ca9b2a1a6095c92chrisd ap_get_module_config(parms->server->module_config, &proxy_module);

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe psf->req = flag;

700b96db75e7cfadb5219978c1735b710d583763wrowe return NULL;

cf6ef072483172309861d06e85b1aeff4573c060wrowe}

cf6ef072483172309861d06e85b1aeff4573c060wrowe

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowestatic const char *

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe set_recv_buffer_size(cmd_parms *parms, void *dummy, const char *arg)

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe{

8aefbd756763807188d2e3ce336a8680e4893066wrowe proxy_server_conf *psf =

0e58e92812f2f679d6bf2ff66cbcfa6c1d1e14bbjerenkrantz ap_get_module_config(parms->server->module_config, &proxy_module);

0e58e92812f2f679d6bf2ff66cbcfa6c1d1e14bbjerenkrantz int s = atoi(arg);

0e58e92812f2f679d6bf2ff66cbcfa6c1d1e14bbjerenkrantz if (s < 512 && s != 0) {

cf6ef072483172309861d06e85b1aeff4573c060wrowe return "ProxyReceiveBufferSize must be >= 512 bytes, or 0 for system default.";

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe }

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe psf->recv_buffer_size = s;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker return NULL;

3dcf67a5060400edb8ccef3fb4a2024388965af9martin}

3dcf67a5060400edb8ccef3fb4a2024388965af9martin

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowestatic const char*

2fd8d1e14fc47762d1e01660b544d5e2a75c825dtrawick set_via_opt(cmd_parms *parms, void *dummy, const char *arg)

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe{

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe proxy_server_conf *psf =

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe ap_get_module_config(parms->server->module_config, &proxy_module);

8aefbd756763807188d2e3ce336a8680e4893066wrowe

e4a3f3c2f080cac75a15a6454cca429b8161c050wrowe if (strcasecmp(arg, "Off") == 0)

700b96db75e7cfadb5219978c1735b710d583763wrowe psf->viaopt = via_off;

700b96db75e7cfadb5219978c1735b710d583763wrowe else if (strcasecmp(arg, "On") == 0)

700b96db75e7cfadb5219978c1735b710d583763wrowe psf->viaopt = via_on;

700b96db75e7cfadb5219978c1735b710d583763wrowe else if (strcasecmp(arg, "Block") == 0)

e0c4ebfec83bb3b424184984e5788f31297fe429sctemme psf->viaopt = via_block;

8aefbd756763807188d2e3ce336a8680e4893066wrowe else if (strcasecmp(arg, "Full") == 0)

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe psf->viaopt = via_full;

4f9c22c4f27571d54197be9674e1fc0d528192aestriker else {

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe return "ProxyVia must be one of: "

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "off | on | full | block";

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe }

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe return NULL;

59513b1275fdc2021d4949ee03ae8229469abb86wrowe}

4f9c22c4f27571d54197be9674e1fc0d528192aestriker

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowestatic const char*

4f9c22c4f27571d54197be9674e1fc0d528192aestriker set_cache_completion(cmd_parms *parms, void *dummy, const char *arg)

4f9c22c4f27571d54197be9674e1fc0d528192aestriker{

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe proxy_server_conf *psf = ap_get_module_config(parms->server->module_config, &proxy_module);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker int s = atoi(arg);

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe if (s > 100 || s < 0) {

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe return "CacheForceCompletion must be <= 100 percent, "

4f9c22c4f27571d54197be9674e1fc0d528192aestriker "or 0 for system default.";

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe }

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe if (s > 0)

4f9c22c4f27571d54197be9674e1fc0d528192aestriker psf->cache_completion = ((float)s / 100);

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe return NULL;

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe}

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowestatic const handler_rec proxy_handlers[] =

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe{

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe {"proxy-server", proxy_handler},

cf6ef072483172309861d06e85b1aeff4573c060wrowe {NULL}

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe};

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

4f9c22c4f27571d54197be9674e1fc0d528192aestrikerstatic const command_rec proxy_cmds[] =

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe{

4f9c22c4f27571d54197be9674e1fc0d528192aestriker AP_INIT_FLAG("ProxyRequests", set_proxy_req, NULL, RSRC_CONF,

4f9c22c4f27571d54197be9674e1fc0d528192aestriker "on if the true proxy requests should be accepted"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_TAKE2("ProxyRemote", add_proxy, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "a scheme, partial URL or '*' and a proxy server"),

4f9c22c4f27571d54197be9674e1fc0d528192aestriker AP_INIT_TAKE2("ProxyPass", add_pass, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "a virtual path and a URL"),

4f9c22c4f27571d54197be9674e1fc0d528192aestriker AP_INIT_TAKE2("ProxyPassReverse", add_pass_reverse, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "a virtual path and a URL for reverse proxy behaviour"),

4f9c22c4f27571d54197be9674e1fc0d528192aestriker AP_INIT_ITERATE("ProxyBlock", set_proxy_exclude, NULL, RSRC_CONF,

4f9c22c4f27571d54197be9674e1fc0d528192aestriker "A list of names, hosts or domains to which the proxy will not connect"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_TAKE1("ProxyReceiveBufferSize", set_recv_buffer_size, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "Receive buffer size for outgoing HTTP and FTP connections in bytes"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_ITERATE("NoProxy", set_proxy_dirconn, NULL, RSRC_CONF,

4f9c22c4f27571d54197be9674e1fc0d528192aestriker "A list of domains, hosts, or subnets to which the proxy will connect directly"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_TAKE1("ProxyDomain", set_proxy_domain, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "The default intranet domain name (in absence of a domain in the URL)"),

4f9c22c4f27571d54197be9674e1fc0d528192aestriker AP_INIT_ITERATE("AllowCONNECT", set_allowed_ports, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "A list of ports which CONNECT may connect to"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_TAKE1("ProxyVia", set_via_opt, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "Configure Via: proxy header header to one of: on | off | block | full"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_ITERATE("ProxyNoCache", set_cache_exclude, NULL, RSRC_CONF,

4f9c22c4f27571d54197be9674e1fc0d528192aestriker "A list of names, hosts or domains for which caching is *not* provided"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe AP_INIT_TAKE1("ProxyCacheForceCompletion", set_cache_completion, NULL, RSRC_CONF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe "Force a http cache completion after this percentage is loaded"),

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe {NULL}

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe};

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowestatic void register_hooks(void)

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe{

cf6ef072483172309861d06e85b1aeff4573c060wrowe /* [2] filename-to-URI translation */

4f9c22c4f27571d54197be9674e1fc0d528192aestriker ap_hook_translate_name(proxy_trans, NULL, NULL, AP_HOOK_FIRST);

4f9c22c4f27571d54197be9674e1fc0d528192aestriker /* [8] fixups */

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe ap_hook_fixups(proxy_fixup, NULL, NULL, AP_HOOK_FIRST);

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe /* [1] post read_request handling */

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe ap_hook_post_read_request(proxy_detect, NULL, NULL, AP_HOOK_FIRST);

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe}

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowemodule AP_MODULE_DECLARE_DATA proxy_module =

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe{

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe STANDARD20_MODULE_STUFF,

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe NULL, /* create per-directory config structure */

38bcc87d9a06e8ba81165421403f275eca4e313btrawick NULL, /* merge per-directory config structures */

38bcc87d9a06e8ba81165421403f275eca4e313btrawick create_proxy_config, /* create per-server config structure */

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe NULL, /* merge per-server config structures */

0e58e92812f2f679d6bf2ff66cbcfa6c1d1e14bbjerenkrantz proxy_cmds, /* command table */

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe proxy_handlers, /* handlers */

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe register_hooks

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe};

1b315ee865b0f11e582beb64127ca3a99a319d2fwrowe