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authorChristian Grothoff <christian@grothoff.org>2013-12-24 18:44:11 +0000
committerChristian Grothoff <christian@grothoff.org>2013-12-24 18:44:11 +0000
commitd26b19c91736433a783ce22b2d95ed490b6d9ca6 (patch)
tree344c1d49550978c0f09004cfe822316c8894903f /src/transport/plugin_transport_http_common.c
parent4b38f90e8fecf47e27e87f9aaf95956a57e88a17 (diff)
-doxygen, indentation fixes
Diffstat (limited to 'src/transport/plugin_transport_http_common.c')
-rw-r--r--src/transport/plugin_transport_http_common.c396
1 files changed, 211 insertions, 185 deletions
diff --git a/src/transport/plugin_transport_http_common.c b/src/transport/plugin_transport_http_common.c
index c020118ac..131624f16 100644
--- a/src/transport/plugin_transport_http_common.c
+++ b/src/transport/plugin_transport_http_common.c
@@ -1,6 +1,6 @@
/*
This file is part of GNUnet
- (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
+ (C) 2002-2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
@@ -28,12 +28,13 @@
#include "gnunet_transport_plugin.h"
#include "plugin_transport_http_common.h"
+
struct SplittedHTTPAddress
{
- char *protocol;
- char *host;
- char *path;
- int port;
+ char *protocol;
+ char *host;
+ char *path;
+ int port;
};
@@ -49,137 +50,138 @@ http_clean_splitted (struct SplittedHTTPAddress *spa)
}
}
+
struct SplittedHTTPAddress *
http_split_address (const char * addr)
{
- struct SplittedHTTPAddress *sp;
- char *src = GNUNET_strdup (addr);
- char *protocol_start = NULL;
- char *host_start = NULL;
- char *v6_end = NULL;
- char *port_start = NULL;
- char *path_start = NULL;
- protocol_start = src;
- sp = GNUNET_new (struct SplittedHTTPAddress);
-
- /* Address string consists of protocol://host[:port]path*/
-
- host_start = strstr (src, "://");
- if (NULL == host_start)
- {
- GNUNET_free (src);
- GNUNET_free (sp);
- return NULL;
- }
-
- host_start[0] = '\0';
- sp->protocol = GNUNET_strdup (protocol_start);
-
- host_start += strlen ("://");
- if (strlen (host_start) == 0)
- {
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp);
- return NULL;
- }
-
- /* Find path start */
- path_start = strchr (host_start, '/');
- if (NULL != path_start)
- {
- sp->path = GNUNET_strdup (path_start);
- path_start[0] = '\0';
- }
- else
- sp->path = GNUNET_strdup ("");
-
- if (strlen(host_start) < 1)
- {
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp->path);
- GNUNET_free (sp);
- return NULL;
- }
-
- if (NULL != (port_start = strrchr (host_start, ':')))
- {
- /* *We COULD have a port, but also an IPv6 address! */
- if (NULL != (v6_end = strchr(host_start, ']')))
- {
- if (v6_end < port_start)
- {
- /* IPv6 address + port */
- port_start[0] = '\0';
- port_start ++;
- sp->port = atoi (port_start);
- if ((0 == sp->port) || (65535 < sp->port))
- {
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp->path);
- GNUNET_free (sp);
- return NULL;
- }
- }
- else
- {
- /* IPv6 address + no port */
- if (0 == strcmp(sp->protocol, "https"))
- sp->port = HTTPS_DEFAULT_PORT;
- else if (0 == strcmp(sp->protocol, "http"))
- sp->port = HTTP_DEFAULT_PORT;
- }
- }
- else
- {
- /* No IPv6 address */
- port_start[0] = '\0';
- port_start ++;
- sp->port = atoi (port_start);
- if ((0 == sp->port) || (65535 < sp->port))
- {
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp->path);
- GNUNET_free (sp);
- return NULL;
- }
- }
- }
- else
- {
- /* No ':' as port separator, default port for protocol */
- if (0 == strcmp(sp->protocol, "https"))
- sp->port = HTTPS_DEFAULT_PORT;
- else if (0 == strcmp(sp->protocol, "http"))
- sp->port = HTTP_DEFAULT_PORT;
- else
- {
- GNUNET_break (0);
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp->path);
- GNUNET_free (sp);
- return NULL;
- }
- }
- if (strlen (host_start) > 0)
- sp->host = GNUNET_strdup (host_start);
- else
- {
- GNUNET_break (0);
- GNUNET_free (src);
- GNUNET_free (sp->protocol);
- GNUNET_free (sp->path);
- GNUNET_free (sp);
- return NULL;
- }
- GNUNET_free (src);
- return sp;
+ struct SplittedHTTPAddress *sp;
+ char *src = GNUNET_strdup (addr);
+ char *protocol_start = NULL;
+ char *host_start = NULL;
+ char *v6_end = NULL;
+ char *port_start = NULL;
+ char *path_start = NULL;
+ protocol_start = src;
+
+ sp = GNUNET_new (struct SplittedHTTPAddress);
+ /* Address string consists of protocol://host[:port]path*/
+
+ host_start = strstr (src, "://");
+ if (NULL == host_start)
+ {
+ GNUNET_free (src);
+ GNUNET_free (sp);
+ return NULL;
+ }
+ host_start[0] = '\0';
+ sp->protocol = GNUNET_strdup (protocol_start);
+
+ host_start += strlen ("://");
+ if (strlen (host_start) == 0)
+ {
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp);
+ return NULL;
+ }
+
+ /* Find path start */
+ path_start = strchr (host_start, '/');
+ if (NULL != path_start)
+ {
+ sp->path = GNUNET_strdup (path_start);
+ path_start[0] = '\0';
+ }
+ else
+ sp->path = GNUNET_strdup ("");
+
+ if (strlen(host_start) < 1)
+ {
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp->path);
+ GNUNET_free (sp);
+ return NULL;
+ }
+
+ if (NULL != (port_start = strrchr (host_start, ':')))
+ {
+ /* *We COULD have a port, but also an IPv6 address! */
+ if (NULL != (v6_end = strchr(host_start, ']')))
+ {
+ if (v6_end < port_start)
+ {
+ /* IPv6 address + port */
+ port_start[0] = '\0';
+ port_start ++;
+ sp->port = atoi (port_start);
+ if ((0 == sp->port) || (65535 < sp->port))
+ {
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp->path);
+ GNUNET_free (sp);
+ return NULL;
+ }
+ }
+ else
+ {
+ /* IPv6 address + no port */
+ if (0 == strcmp(sp->protocol, "https"))
+ sp->port = HTTPS_DEFAULT_PORT;
+ else if (0 == strcmp(sp->protocol, "http"))
+ sp->port = HTTP_DEFAULT_PORT;
+ }
+ }
+ else
+ {
+ /* No IPv6 address */
+ port_start[0] = '\0';
+ port_start ++;
+ sp->port = atoi (port_start);
+ if ((0 == sp->port) || (65535 < sp->port))
+ {
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp->path);
+ GNUNET_free (sp);
+ return NULL;
+ }
+ }
+ }
+ else
+ {
+ /* No ':' as port separator, default port for protocol */
+ if (0 == strcmp(sp->protocol, "https"))
+ sp->port = HTTPS_DEFAULT_PORT;
+ else if (0 == strcmp(sp->protocol, "http"))
+ sp->port = HTTP_DEFAULT_PORT;
+ else
+ {
+ GNUNET_break (0);
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp->path);
+ GNUNET_free (sp);
+ return NULL;
+ }
+ }
+ if (strlen (host_start) > 0)
+ sp->host = GNUNET_strdup (host_start);
+ else
+ {
+ GNUNET_break (0);
+ GNUNET_free (src);
+ GNUNET_free (sp->protocol);
+ GNUNET_free (sp->path);
+ GNUNET_free (sp);
+ return NULL;
+ }
+ GNUNET_free (src);
+ return sp;
}
+
/**
* Convert the transports address to a nice, human-readable
* format.
@@ -188,53 +190,60 @@ http_split_address (const char * addr)
* @param type name of the transport that generated the address
* @param addr one of the addresses of the host, NULL for the last address
* the specific address format depends on the transport
- * @param addrlen length of the address
+ * @param addrlen length of the @a addr
* @param numeric should (IP) addresses be displayed in numeric form?
* @param timeout after how long should we give up?
* @param asc function to call on each string
- * @param asc_cls closure for asc
+ * @param asc_cls closure for @a asc
*/
void
-http_common_plugin_address_pretty_printer (void *cls, const char *type,
- const void *addr, size_t addrlen,
- int numeric,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_TRANSPORT_AddressStringCallback
- asc, void *asc_cls)
+http_common_plugin_address_pretty_printer (void *cls,
+ const char *type,
+ const void *addr,
+ size_t addrlen,
+ int numeric,
+ struct GNUNET_TIME_Relative timeout,
+ GNUNET_TRANSPORT_AddressStringCallback asc,
+ void *asc_cls)
{
- const struct HttpAddress *address = addr;
+ const struct HttpAddress *address = addr;
- if (NULL == http_common_plugin_address_to_string (NULL, (char *) type, address, addrlen))
+ if (NULL ==
+ http_common_plugin_address_to_string (NULL, type,
+ address, addrlen))
{
- asc (asc_cls, NULL);
- return;
+ asc (asc_cls, NULL);
+ return;
}
- asc (asc_cls, http_common_plugin_address_to_string (NULL, (char *) type, address, addrlen));
+ asc (asc_cls, http_common_plugin_address_to_string (NULL,
+ type,
+ address, addrlen));
asc (asc_cls, NULL);
}
+
const char *
-http_common_plugin_address_to_url (void *cls, const void *addr, size_t addrlen)
+http_common_plugin_address_to_url (void *cls,
+ const void *addr,
+ size_t addrlen)
{
static char rbuf[1024];
- const struct HttpAddress *address = addr;
+ const struct HttpAddress *address = addr;
const char * addr_str;
-
-
if (NULL == addr)
{
- GNUNET_break (0);
+ GNUNET_break (0);
return NULL;
}
if (0 >= addrlen)
{
- GNUNET_break (0);
+ GNUNET_break (0);
return NULL;
}
if (addrlen != http_common_address_get_size (address))
{
- GNUNET_break (0);
+ GNUNET_break (0);
return NULL;
}
addr_str = (char *) &address[1];
@@ -246,6 +255,7 @@ http_common_plugin_address_to_url (void *cls, const void *addr, size_t addrlen)
return rbuf;
}
+
/**
* Function called for a quick conversion of the binary address to
* a numeric address. Note that the caller must not free the
@@ -259,10 +269,13 @@ http_common_plugin_address_to_url (void *cls, const void *addr, size_t addrlen)
* @return string representing the same address
*/
const char *
-http_common_plugin_address_to_string (void *cls, char *plugin, const void *addr, size_t addrlen)
+http_common_plugin_address_to_string (void *cls,
+ const char *plugin,
+ const void *addr,
+ size_t addrlen)
{
static char rbuf[1024];
- const struct HttpAddress *address = addr;
+ const struct HttpAddress *address = addr;
const char * addr_str;
char *res;
@@ -281,35 +294,36 @@ http_common_plugin_address_to_string (void *cls, char *plugin, const void *addr,
GNUNET_asprintf (&res, "%s.%u.%s", plugin, ntohl(address->options), &address[1]);
if (strlen(res) + 1 < 500)
{
- memcpy (rbuf, res, strlen(res) + 1);
- GNUNET_free (res);
- return rbuf;
+ memcpy (rbuf, res, strlen(res) + 1);
+ GNUNET_free (res);
+ return rbuf;
}
GNUNET_break (0);
- GNUNET_free (res);
- return NULL;
+ GNUNET_free (res);
+ return NULL;
}
+
/**
* Function called to convert a string address to
* a binary address.
*
* @param cls closure ('struct Plugin*')
* @param addr string address
- * @param addrlen length of the address
+ * @param addrlen length of the @a addr
* @param buf location to store the buffer
- * If the function returns GNUNET_SYSERR, its contents are undefined.
+ * If the function returns #GNUNET_SYSERR, its contents are undefined.
* @param added length of created address
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
http_common_plugin_string_to_address (void *cls,
- const char *addr,
- uint16_t addrlen,
- void **buf,
- size_t *added)
+ const char *addr,
+ uint16_t addrlen,
+ void **buf,
+ size_t *added)
{
- struct HttpAddress *a;
+ struct HttpAddress *a;
char *address;
char *plugin;
char *optionstr;
@@ -368,6 +382,7 @@ http_common_plugin_string_to_address (void *cls,
return GNUNET_OK;
}
+
/**
* Create a HTTP address from a socketaddr
*
@@ -377,45 +392,51 @@ http_common_plugin_string_to_address (void *cls,
* @return the HttpAddress
*/
struct HttpAddress *
-http_common_address_from_socket (const char *protocol, const struct sockaddr *addr, socklen_t addrlen)
+http_common_address_from_socket (const char *protocol,
+ const struct sockaddr *addr,
+ socklen_t addrlen)
{
struct HttpAddress *address = NULL;
char *res;
size_t len;
- GNUNET_asprintf(&res, "%s://%s", protocol, GNUNET_a2s (addr, addrlen));
+ GNUNET_asprintf(&res,
+ "%s://%s",
+ protocol,
+ GNUNET_a2s (addr, addrlen));
len = strlen (res)+1;
-
address = GNUNET_malloc (sizeof (struct HttpAddress) + len);
address->options = htonl (HTTP_OPTIONS_NONE);
address->urlen = htonl (len);
memcpy (&address[1], res, len);
GNUNET_free (res);
-
return address;
}
+
/**
* Create a socketaddr from a HTTP address
*
- * @param addr sockaddr * address
- * @param addrlen length of the address
+ * @param addr a `sockaddr *` address
+ * @param addrlen length of the @a addr
* @param res the result:
- * GNUNET_SYSERR, invalid input,
- * GNUNET_YES: could convert to ip,
- * GNUNET_NO: valid input but could not convert to ip (hostname?)
+ * #GNUNET_SYSERR, invalid input,
+ * #GNUNET_YES: could convert to ip,
+ * #GNUNET_NO: valid input but could not convert to ip (hostname?)
* @return the string
*/
struct sockaddr *
-http_common_socket_from_address (const void *addr, size_t addrlen, int *res)
+http_common_socket_from_address (const void *addr,
+ size_t addrlen,
+ int *res)
{
- const struct HttpAddress *ha;
- struct SplittedHTTPAddress * spa;
+ const struct HttpAddress *ha;
+ struct SplittedHTTPAddress * spa;
struct sockaddr_storage *s;
- (*res) = GNUNET_SYSERR;
char * to_conv;
size_t urlen;
+ (*res) = GNUNET_SYSERR;
ha = (const struct HttpAddress *) addr;
if (NULL == addr)
{
@@ -480,6 +501,7 @@ http_common_socket_from_address (const void *addr, size_t addrlen, int *res)
return (struct sockaddr *) s;
}
+
/**
* Get the length of an address
*
@@ -492,6 +514,7 @@ http_common_address_get_size (const struct HttpAddress * addr)
return sizeof (struct HttpAddress) + ntohl(addr->urlen);
}
+
/**
* Compare addr1 to addr2
*
@@ -499,15 +522,18 @@ http_common_address_get_size (const struct HttpAddress * addr)
* @param addrlen1 address 1 length
* @param addr2 address2
* @param addrlen2 address 2 length
- * @return GNUNET_YES if equal, GNUNET_NO if not, GNUNET_SYSERR on error
+ * @return #GNUNET_YES if equal, #GNUNET_NO if not, #GNUNET_SYSERR on error
*/
size_t
-http_common_cmp_addresses (const void *addr1, size_t addrlen1, const void *addr2, size_t addrlen2)
+http_common_cmp_addresses (const void *addr1,
+ size_t addrlen1,
+ const void *addr2,
+ size_t addrlen2)
{
- const struct HttpAddress *ha1;
- const struct HttpAddress *ha2;
- const char *a1 = (const char *) addr1;
- const char *a2 = (const char *) addr2;
+ const char *a1 = addr1;
+ const char *a2 = addr2;
+ const struct HttpAddress *ha1;
+ const struct HttpAddress *ha2;
ha1 = (const struct HttpAddress *) a1;
ha2 = (const struct HttpAddress *) a2;