#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
+#include <netdb.h>
#include "giognutls.h"
#include "gresolv.h"
#include "gweb.h"
+#define DEFAULT_BUFFER_SIZE 2048
+
#define SESSION_FLAG_USE_TLS (1 << 0)
+enum chunk_state {
+ CHUNK_SIZE,
+ CHUNK_R_BODY,
+ CHUNK_N_BODY,
+ CHUNK_DATA,
+};
+
struct _GWebResult {
+ guint16 status;
+ const guint8 *buffer;
+ gsize length;
+ gboolean use_chunk;
+ gchar *last_key;
+ GHashTable *headers;
};
struct web_session {
char *host;
uint16_t port;
unsigned long flags;
+ struct addrinfo *addr;
+
+ char *content_type;
GIOChannel *transport_channel;
guint transport_watch;
+ guint send_watch;
guint resolv_action;
char *request;
- GWebResult *result;
+ guint8 *receive_buffer;
+ gsize receive_space;
+ GString *send_buffer;
+ GString *current_header;
+ gboolean header_done;
+ gboolean body_done;
+ gboolean more_data;
+ gboolean request_started;
+
+ enum chunk_state chunck_state;
+ gsize chunk_size;
+ gsize chunk_left;
+ gsize total_len;
+
+ GWebResult result;
GWebResultFunc result_func;
- gpointer result_data;
+ GWebInputFunc input_func;
+ gpointer user_data;
};
struct _GWeb {
GList *session_list;
GResolv *resolv;
+ char *proxy;
+ char *accept_option;
+ char *user_agent;
+ char *user_agent_profile;
+ char *http_version;
+ gboolean close_connection;
GWebDebugFunc debug_func;
gpointer debug_data;
if (session->transport_watch > 0)
g_source_remove(session->transport_watch);
+ if (session->send_watch > 0)
+ g_source_remove(session->send_watch);
+
if (session->transport_channel != NULL)
g_io_channel_unref(session->transport_channel);
+ g_free(session->result.last_key);
+
+ if (session->result.headers != NULL)
+ g_hash_table_destroy(session->result.headers);
+
+ if (session->send_buffer != NULL)
+ g_string_free(session->send_buffer, TRUE);
+
+ if (session->current_header != NULL)
+ g_string_free(session->current_header, TRUE);
+
+ g_free(session->receive_buffer);
+
+ g_free(session->content_type);
+
g_free(session->host);
g_free(session->address);
+ if (session->addr != NULL)
+ freeaddrinfo(session->addr);
+
g_free(session);
}
return NULL;
}
+ web->accept_option = g_strdup("*/*");
+ web->user_agent = g_strdup_printf("GWeb/%s", VERSION);
+ web->close_connection = FALSE;
+
return web;
}
g_resolv_unref(web->resolv);
+ g_free(web->proxy);
+
+ g_free(web->accept_option);
+ g_free(web->user_agent);
+ g_free(web->user_agent_profile);
+ g_free(web->http_version);
+
g_free(web);
}
g_resolv_set_debug(web->resolv, func, user_data);
}
+gboolean g_web_set_proxy(GWeb *web, const char *proxy)
+{
+ if (web == NULL)
+ return FALSE;
+
+ g_free(web->proxy);
+
+ if (proxy == NULL) {
+ web->proxy = NULL;
+ debug(web, "clearing proxy");
+ } else {
+ web->proxy = g_strdup(proxy);
+ debug(web, "setting proxy %s", web->proxy);
+ }
+
+ return TRUE;
+}
+
gboolean g_web_add_nameserver(GWeb *web, const char *address)
{
if (web == NULL)
return TRUE;
}
+static gboolean set_accept_option(GWeb *web, const char *format, va_list args)
+{
+ g_free(web->accept_option);
+
+ if (format == NULL) {
+ web->accept_option = NULL;
+ debug(web, "clearing accept option");
+ } else {
+ web->accept_option = g_strdup_vprintf(format, args);
+ debug(web, "setting accept %s", web->accept_option);
+ }
+
+ return TRUE;
+}
+
+gboolean g_web_set_accept(GWeb *web, const char *format, ...)
+{
+ va_list args;
+ gboolean result;
+
+ if (web == NULL)
+ return FALSE;
+
+ va_start(args, format);
+ result = set_accept_option(web, format, args);
+ va_end(args);
+
+ return result;
+}
+
+static gboolean set_user_agent(GWeb *web, const char *format, va_list args)
+{
+ g_free(web->user_agent);
+
+ if (format == NULL) {
+ web->user_agent = NULL;
+ debug(web, "clearing user agent");
+ } else {
+ web->user_agent = g_strdup_vprintf(format, args);
+ debug(web, "setting user agent %s", web->user_agent);
+ }
+
+ return TRUE;
+}
+
+gboolean g_web_set_user_agent(GWeb *web, const char *format, ...)
+{
+ va_list args;
+ gboolean result;
+
+ if (web == NULL)
+ return FALSE;
+
+ va_start(args, format);
+ result = set_user_agent(web, format, args);
+ va_end(args);
+
+ return result;
+}
+
+gboolean g_web_set_ua_profile(GWeb *web, const char *profile)
+{
+ if (web == NULL)
+ return FALSE;
+
+ g_free(web->user_agent_profile);
+
+ web->user_agent_profile = g_strdup(profile);
+ debug(web, "setting user agent profile %s", web->user_agent);
+
+ return TRUE;
+}
+
+gboolean g_web_set_http_version(GWeb *web, const char *version)
+{
+ if (web == NULL)
+ return FALSE;
+
+ g_free(web->http_version);
+
+ if (version == NULL) {
+ web->http_version = NULL;
+ debug(web, "clearing HTTP version");
+ } else {
+ web->http_version = g_strdup(version);
+ debug(web, "setting HTTP version %s", web->http_version);
+ }
+
+ return TRUE;
+}
+
+void g_web_set_close_connection(GWeb *web, gboolean enabled)
+{
+ if (web == NULL)
+ return;
+
+ web->close_connection = enabled;
+}
+
+gboolean g_web_get_close_connection(GWeb *web)
+{
+ if (web == NULL)
+ return FALSE;
+
+ return web->close_connection;
+}
+
+static inline void call_result_func(struct web_session *session, guint16 status)
+{
+ gboolean result;
+
+ if (session->result_func == NULL)
+ return;
+
+ if (status != 0)
+ session->result.status = status;
+
+ result = session->result_func(&session->result, session->user_data);
+
+ debug(session->web, "[result function] %s",
+ result == TRUE ? "continue" : "stop");
+}
+
+static gboolean process_send_buffer(struct web_session *session)
+{
+ GString *buf = session->send_buffer;
+ gsize count, bytes_written;
+ GIOStatus status;
+
+ count = buf->len;
+
+ if (count == 0) {
+ if (session->request_started == TRUE &&
+ session->more_data == FALSE)
+ session->body_done = TRUE;
+
+ return FALSE;
+ }
+
+ status = g_io_channel_write_chars(session->transport_channel,
+ buf->str, count, &bytes_written, NULL);
+
+ debug(session->web, "status %u bytes to write %zu bytes written %zu",
+ status, count, bytes_written);
+
+ if (status != G_IO_STATUS_NORMAL && status != G_IO_STATUS_AGAIN)
+ return FALSE;
+
+ g_string_erase(buf, 0, bytes_written);
+
+ return TRUE;
+}
+
+static void process_next_chunk(struct web_session *session)
+{
+ GString *buf = session->send_buffer;
+ const guint8 *body;
+ gsize length;
+
+ if (session->input_func == NULL) {
+ session->more_data = FALSE;
+ return;
+ }
+
+ session->more_data = session->input_func(&body, &length,
+ session->user_data);
+
+ if (length > 0) {
+ g_string_append_printf(buf, "%zx\r\n", length);
+ g_string_append_len(buf, (char *) body, length);
+ g_string_append(buf, "\r\n");
+ }
+
+ if (session->more_data == FALSE)
+ g_string_append(buf, "0\r\n\r\n");
+}
+
+static void start_request(struct web_session *session)
+{
+ GString *buf = session->send_buffer;
+ const char *version;
+ const guint8 *body;
+ gsize length;
+
+ debug(session->web, "request %s from %s",
+ session->request, session->host);
+
+ g_string_truncate(buf, 0);
+
+ if (session->web->http_version == NULL)
+ version = "1.1";
+ else
+ version = session->web->http_version;
+
+ if (session->content_type == NULL)
+ g_string_append_printf(buf, "GET %s HTTP/%s\r\n",
+ session->request, version);
+ else
+ g_string_append_printf(buf, "POST %s HTTP/%s\r\n",
+ session->request, version);
+
+ g_string_append_printf(buf, "Host: %s\r\n", session->host);
+
+ if (session->web->user_agent != NULL)
+ g_string_append_printf(buf, "User-Agent: %s\r\n",
+ session->web->user_agent);
+
+ if (session->web->user_agent_profile != NULL) {
+ g_string_append_printf(buf, "x-wap-profile: %s\r\n",
+ session->web->user_agent_profile);
+ }
+
+ if (session->web->accept_option != NULL)
+ g_string_append_printf(buf, "Accept: %s\r\n",
+ session->web->accept_option);
+
+ if (session->content_type != NULL) {
+ g_string_append_printf(buf, "Content-Type: %s\r\n",
+ session->content_type);
+ if (session->input_func == NULL) {
+ session->more_data = FALSE;
+ length = 0;
+ } else
+ session->more_data = session->input_func(&body, &length,
+ session->user_data);
+ if (session->more_data == FALSE)
+ g_string_append_printf(buf, "Content-Length: %zu\r\n",
+ length);
+ else
+ g_string_append(buf, "Transfer-Encoding: chunked\r\n");
+ }
+
+ if (session->web->close_connection == TRUE)
+ g_string_append(buf, "Connection: close\r\n");
+
+ g_string_append(buf, "\r\n");
+
+ if (session->content_type != NULL && length > 0) {
+ if (session->more_data == TRUE) {
+ g_string_append_printf(buf, "%zx\r\n", length);
+ g_string_append_len(buf, (char *) body, length);
+ g_string_append(buf, "\r\n");
+ } else
+ g_string_append_len(buf, (char *) body, length);
+ }
+}
+
+static gboolean send_data(GIOChannel *channel, GIOCondition cond,
+ gpointer user_data)
+{
+ struct web_session *session = user_data;
+
+ if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
+ session->send_watch = 0;
+ return FALSE;
+ }
+
+ if (process_send_buffer(session) == TRUE)
+ return TRUE;
+
+ if (session->request_started == FALSE) {
+ session->request_started = TRUE;
+ start_request(session);
+ } else if (session->more_data == TRUE)
+ process_next_chunk(session);
+
+ process_send_buffer(session);
+
+ if (session->body_done == TRUE) {
+ session->send_watch = 0;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int decode_chunked(struct web_session *session,
+ const guint8 *buf, gsize len)
+{
+ const guint8 *ptr = buf;
+ gsize counter;
+
+ while (len > 0) {
+ guint8 *pos;
+ gsize count;
+ char *str;
+
+ switch (session->chunck_state) {
+ case CHUNK_SIZE:
+ pos = memchr(ptr, '\n', len);
+ if (pos == NULL) {
+ g_string_append_len(session->current_header,
+ (gchar *) ptr, len);
+ return 0;
+ }
+
+ count = pos - ptr;
+ if (count < 1 || ptr[count - 1] != '\r')
+ return -EILSEQ;
+
+ g_string_append_len(session->current_header,
+ (gchar *) ptr, count);
+
+ len -= count + 1;
+ ptr = pos + 1;
+
+ str = session->current_header->str;
+
+ counter = strtoul(str, NULL, 16);
+ if ((counter == 0 && errno == EINVAL) ||
+ counter == ULONG_MAX)
+ return -EILSEQ;
+
+ session->chunk_size = counter;
+ session->chunk_left = counter;
+
+ session->chunck_state = CHUNK_DATA;
+ break;
+ case CHUNK_R_BODY:
+ if (*ptr != '\r')
+ return -EILSEQ;
+ ptr++;
+ len--;
+ session->chunck_state = CHUNK_N_BODY;
+ break;
+ case CHUNK_N_BODY:
+ if (*ptr != '\n')
+ return -EILSEQ;
+ ptr++;
+ len--;
+ session->chunck_state = CHUNK_SIZE;
+ break;
+ case CHUNK_DATA:
+ if (session->chunk_size == 0) {
+ debug(session->web, "Download Done in chunk");
+ g_string_truncate(session->current_header, 0);
+ return 0;
+ }
+
+ if (session->chunk_left <= len) {
+ session->result.buffer = ptr;
+ session->result.length = session->chunk_left;
+ call_result_func(session, 0);
+
+ len -= session->chunk_left;
+ ptr += session->chunk_left;
+
+ session->total_len += session->chunk_left;
+ session->chunk_left = 0;
+
+ g_string_truncate(session->current_header, 0);
+ session->chunck_state = CHUNK_R_BODY;
+ break;
+ }
+ /* more data */
+ session->result.buffer = ptr;
+ session->result.length = len;
+ call_result_func(session, 0);
+
+ session->chunk_left -= len;
+ session->total_len += len;
+
+ len -= len;
+ ptr += len;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int handle_body(struct web_session *session,
+ const guint8 *buf, gsize len)
+{
+ int err;
+
+ debug(session->web, "[body] length %zu", len);
+
+ if (session->result.use_chunk == FALSE) {
+ if (len > 0) {
+ session->result.buffer = buf;
+ session->result.length = len;
+ call_result_func(session, 0);
+ }
+ return 0;
+ }
+
+ err = decode_chunked(session, buf, len);
+ if (err < 0) {
+ debug(session->web, "Error in chunk decode %d", err);
+
+ session->result.buffer = NULL;
+ session->result.length = 0;
+ call_result_func(session, 400);
+ }
+
+ return err;
+}
+
+static void handle_multi_line(struct web_session *session)
+{
+ gsize count;
+ char *str;
+ gchar *value;
+
+ str = session->current_header->str;
+
+ if (str[0] != ' ' && str[0] != '\t')
+ return;
+
+ while (str[0] == ' ' || str[0] == '\t')
+ str++;
+
+ count = str - session->current_header->str;
+ if (count > 0) {
+ g_string_erase(session->current_header, 0, count);
+ g_string_insert_c(session->current_header, 0, ' ');
+ }
+
+ value = g_hash_table_lookup(session->result.headers,
+ session->result.last_key);
+ if (value != NULL) {
+ g_string_insert(session->current_header, 0, value);
+
+ str = session->current_header->str;
+
+ g_hash_table_replace(session->result.headers,
+ g_strdup(session->result.last_key),
+ g_strdup(str));
+ }
+}
+
+static void add_header_field(struct web_session *session)
+{
+ gsize count;
+ guint8 *pos;
+ char *str;
+ gchar *value;
+ gchar *key;
+
+ str = session->current_header->str;
+
+ pos = memchr(str, ':', session->current_header->len);
+ if (pos != NULL) {
+ *pos = '\0';
+ pos++;
+
+ key = g_strdup(str);
+
+ /* remove preceding white spaces */
+ while (*pos == ' ')
+ pos++;
+
+ count = (char *) pos - str;
+
+ g_string_erase(session->current_header, 0, count);
+
+ value = g_hash_table_lookup(session->result.headers, key);
+ if (value != NULL) {
+ g_string_insert_c(session->current_header, 0, ' ');
+ g_string_insert_c(session->current_header, 0, ';');
+
+ g_string_insert(session->current_header, 0, value);
+ }
+
+ str = session->current_header->str;
+ g_hash_table_replace(session->result.headers, key,
+ g_strdup(str));
+
+ g_free(session->result.last_key);
+ session->result.last_key = g_strdup(key);
+ }
+}
+
static gboolean received_data(GIOChannel *channel, GIOCondition cond,
gpointer user_data)
{
struct web_session *session = user_data;
- gchar buf[4096];
+ guint8 *ptr = session->receive_buffer;
gsize bytes_read;
GIOStatus status;
if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
session->transport_watch = 0;
- if (session->result_func != NULL)
- session->result_func(400, NULL, session->result_data);
+ session->result.buffer = NULL;
+ session->result.length = 0;
+ call_result_func(session, 400);
return FALSE;
}
- memset(buf, 0, sizeof(buf));
- status = g_io_channel_read_chars(channel, buf, sizeof(buf) - 1,
- &bytes_read, NULL);
+ status = g_io_channel_read_chars(channel,
+ (gchar *) session->receive_buffer,
+ session->receive_space - 1, &bytes_read, NULL);
- debug(session->web, "status %u bytes read %zu", status, bytes_read);
+ debug(session->web, "bytes read %zu", bytes_read);
- if (status != G_IO_STATUS_NORMAL) {
+ if (status != G_IO_STATUS_NORMAL && status != G_IO_STATUS_AGAIN) {
session->transport_watch = 0;
- if (session->result_func != NULL)
- session->result_func(200, NULL, session->result_data);
+ session->result.buffer = NULL;
+ session->result.length = 0;
+ call_result_func(session, 0);
return FALSE;
}
- printf("%s", buf);
+ session->receive_buffer[bytes_read] = '\0';
+
+ if (session->header_done == TRUE) {
+ if (handle_body(session, session->receive_buffer,
+ bytes_read) < 0) {
+ session->transport_watch = 0;
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ while (bytes_read > 0) {
+ guint8 *pos;
+ gsize count;
+ char *str;
+
+ pos = memchr(ptr, '\n', bytes_read);
+ if (pos == NULL) {
+ g_string_append_len(session->current_header,
+ (gchar *) ptr, bytes_read);
+ return TRUE;
+ }
+
+ *pos = '\0';
+ count = strlen((char *) ptr);
+ if (count > 0 && ptr[count - 1] == '\r') {
+ ptr[--count] = '\0';
+ bytes_read--;
+ }
+
+ g_string_append_len(session->current_header,
+ (gchar *) ptr, count);
+
+ bytes_read -= count + 1;
+ if (bytes_read > 0)
+ ptr = pos + 1;
+ else
+ ptr = NULL;
+
+ if (session->current_header->len == 0) {
+ char *val;
+
+ session->header_done = TRUE;
+
+ val = g_hash_table_lookup(session->result.headers,
+ "Transfer-Encoding");
+ if (val != NULL) {
+ val = g_strrstr(val, "chunked");
+ if (val != NULL) {
+ session->result.use_chunk = TRUE;
+
+ session->chunck_state = CHUNK_SIZE;
+ session->chunk_left = 0;
+ session->total_len = 0;
+ }
+ }
+
+ if (handle_body(session, ptr, bytes_read) < 0) {
+ session->transport_watch = 0;
+ return FALSE;
+ }
+ break;
+ }
+
+ str = session->current_header->str;
+
+ if (session->result.status == 0) {
+ unsigned int code;
+
+ if (sscanf(str, "HTTP/%*s %u %*s", &code) == 1)
+ session->result.status = code;
+ }
+
+ debug(session->web, "[header] %s", str);
+
+ /* handle multi-line header */
+ if (str[0] == ' ' || str[0] == '\t')
+ handle_multi_line(session);
+ else
+ add_header_field(session);
+
+ g_string_truncate(session->current_header, 0);
+ }
return TRUE;
}
static int connect_session_transport(struct web_session *session)
{
- struct sockaddr_in sin;
+ GIOFlags flags;
int sk;
- sk = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ sk = socket(session->addr->ai_family, SOCK_STREAM, IPPROTO_TCP);
if (sk < 0)
return -EIO;
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_port = htons(session->port);
- sin.sin_addr.s_addr = inet_addr(session->address);
-
- if (connect(sk, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- close(sk);
- return -EIO;
- }
-
- debug(session->web, "flags %lu", session->flags);
-
- if (session->flags & SESSION_FLAG_USE_TLS)
+ if (session->flags & SESSION_FLAG_USE_TLS) {
+ debug(session->web, "using TLS encryption");
session->transport_channel = g_io_channel_gnutls_new(sk);
- else
+ } else {
+ debug(session->web, "no encryption");
session->transport_channel = g_io_channel_unix_new(sk);
+ }
if (session->transport_channel == NULL) {
close(sk);
return -ENOMEM;
}
+ flags = g_io_channel_get_flags(session->transport_channel);
+ g_io_channel_set_flags(session->transport_channel,
+ flags | G_IO_FLAG_NONBLOCK, NULL);
+
g_io_channel_set_encoding(session->transport_channel, NULL, NULL);
g_io_channel_set_buffered(session->transport_channel, FALSE);
g_io_channel_set_close_on_unref(session->transport_channel, TRUE);
+ if (connect(sk, session->addr->ai_addr,
+ session->addr->ai_addrlen) < 0) {
+ if (errno != EINPROGRESS) {
+ close(sk);
+ return -EIO;
+ }
+ }
+
session->transport_watch = g_io_add_watch(session->transport_channel,
G_IO_IN | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
received_data, session);
+ session->send_watch = g_io_add_watch(session->transport_channel,
+ G_IO_OUT | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
+ send_data, session);
+
return 0;
}
-static void start_request(struct web_session *session)
+static int create_transport(struct web_session *session)
{
- GString *buf;
- gchar *str;
- gsize count, bytes_written;
- GIOStatus status;
+ int err;
- debug(session->web, "request %s from %s",
- session->request, session->host);
-
- buf = g_string_new(NULL);
- g_string_append_printf(buf, "GET %s HTTP/1.1\r\n", session->request);
- g_string_append_printf(buf, "Host: %s\r\n", session->host);
- g_string_append_printf(buf, "User-Agent: ConnMan/%s\r\n", VERSION);
- g_string_append(buf, "Accept: */*\r\n");
- g_string_append(buf, "\r\n");
- str = g_string_free(buf, FALSE);
-
- count = strlen(str);
-
- debug(session->web, "bytes to write %zu", count);
+ err = connect_session_transport(session);
+ if (err < 0)
+ return err;
- status = g_io_channel_write_chars(session->transport_channel,
- str, count, &bytes_written, NULL);
-
- debug(session->web, "status %u bytes written %zu",
- status, bytes_written);
-
- printf("%s", str);
+ debug(session->web, "creating session %s:%u",
+ session->address, session->port);
- g_free(str);
+ return 0;
}
-static int parse_url(struct web_session *session, const char *url)
+static int parse_url(struct web_session *session,
+ const char *url, const char *proxy)
{
char *scheme, *host, *port, *path;
if (path != NULL)
*(path++) = '\0';
- session->request = g_strdup_printf("/%s", path ? path : "");
+ if (proxy == NULL)
+ session->request = g_strdup_printf("/%s", path ? path : "");
+ else
+ session->request = g_strdup(url);
+
+ port = strrchr(host, ':');
+ if (port != NULL) {
+ char *end;
+ int tmp = strtol(port + 1, &end, 10);
+
+ if (*end == '\0') {
+ *port = '\0';
+ session->port = tmp;
+ }
+
+ if (proxy == NULL)
+ session->host = g_strdup(host);
+ else
+ session->host = g_strdup_printf("%s:%u", host, tmp);
+ } else
+ session->host = g_strdup(host);
+
+ g_free(scheme);
+
+ if (proxy == NULL)
+ return 0;
+
+ scheme = g_strdup(proxy);
+ if (scheme == NULL)
+ return -EINVAL;
+
+ host = strstr(proxy, "://");
+ if (host != NULL) {
+ *host = '\0';
+ host += 3;
+
+ if (strcasecmp(scheme, "http") != 0) {
+ g_free(scheme);
+ return -EINVAL;
+ }
+ } else
+ host = scheme;
+
+ path = strchr(host, '/');
+ if (path != NULL)
+ *(path++) = '\0';
port = strrchr(host, ':');
if (port != NULL) {
}
}
- session->host = g_strdup(host);
+ session->address = g_strdup(host);
g_free(scheme);
char **results, gpointer user_data)
{
struct web_session *session = user_data;
+ struct addrinfo hints;
+ char *port;
+ int ret;
if (results == NULL || results[0] == NULL) {
- if (session->result_func != NULL)
- session->result_func(404, NULL, session->result_data);
+ call_result_func(session, 404);
return;
}
debug(session->web, "address %s", results[0]);
- if (inet_aton(results[0], NULL) == 0) {
- if (session->result_func != NULL)
- session->result_func(400, NULL, session->result_data);
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_flags = AI_NUMERICHOST;
+
+ if (session->addr != NULL) {
+ freeaddrinfo(session->addr);
+ session->addr = NULL;
+ }
+
+ port = g_strdup_printf("%u", session->port);
+ ret = getaddrinfo(results[0], port, &hints, &session->addr);
+ g_free(port);
+ if (ret != 0 || session->addr == NULL) {
+ call_result_func(session, 400);
return;
}
session->address = g_strdup(results[0]);
- if (connect_session_transport(session) < 0) {
- if (session->result_func != NULL)
- session->result_func(409, NULL, session->result_data);
+ if (create_transport(session) < 0) {
+ call_result_func(session, 409);
return;
}
-
- debug(session->web, "creating session %s:%u",
- session->address, session->port);
-
- start_request(session);
}
-guint g_web_request(GWeb *web, GWebMethod method, const char *url,
+static guint do_request(GWeb *web, const char *url,
+ const char *type, GWebInputFunc input,
GWebResultFunc func, gpointer user_data)
{
struct web_session *session;
if (session == NULL)
return 0;
- if (parse_url(session, url) < 0) {
+ if (parse_url(session, url, web->proxy) < 0) {
free_session(session);
return 0;
}
- debug(web, "host %s:%u", session->host, session->port);
+ debug(web, "address %s", session->address);
+ debug(web, "port %u", session->port);
+ debug(web, "host %s", session->host);
debug(web, "flags %lu", session->flags);
+ debug(web, "request %s", session->request);
+
+ if (type != NULL) {
+ session->content_type = g_strdup(type);
+
+ debug(web, "content-type %s", session->content_type);
+ }
session->web = web;
session->result_func = func;
- session->result_data = user_data;
+ session->input_func = input;
+ session->user_data = user_data;
- session->resolv_action = g_resolv_lookup_hostname(web->resolv,
- session->host, resolv_result, session);
- if (session->resolv_action == 0) {
+ session->receive_buffer = g_try_malloc(DEFAULT_BUFFER_SIZE);
+ if (session->receive_buffer == NULL) {
free_session(session);
return 0;
}
+ session->result.headers = g_hash_table_new_full(g_str_hash, g_str_equal,
+ g_free, g_free);
+ if (session->result.headers == NULL) {
+ free_session(session);
+ return 0;
+ }
+
+ session->receive_space = DEFAULT_BUFFER_SIZE;
+ session->send_buffer = g_string_sized_new(0);
+ session->current_header = g_string_sized_new(0);
+ session->header_done = FALSE;
+ session->body_done = FALSE;
+
+ if (session->address == NULL && inet_aton(session->host, NULL) == 0) {
+ session->resolv_action = g_resolv_lookup_hostname(web->resolv,
+ session->host, resolv_result, session);
+ if (session->resolv_action == 0) {
+ free_session(session);
+ return 0;
+ }
+ } else {
+ struct addrinfo hints;
+ char *port;
+ int ret;
+
+ if (session->address == NULL)
+ session->address = g_strdup(session->host);
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_flags = AI_NUMERICHOST;
+
+ if (session->addr != NULL) {
+ freeaddrinfo(session->addr);
+ session->addr = NULL;
+ }
+
+ port = g_strdup_printf("%u", session->port);
+ ret = getaddrinfo(session->address, port, &hints,
+ &session->addr);
+ g_free(port);
+ if (ret != 0 || session->addr == NULL) {
+ free_session(session);
+ return 0;
+ }
+
+ if (create_transport(session) < 0) {
+ free_session(session);
+ return 0;
+ }
+ }
+
web->session_list = g_list_append(web->session_list, session);
return web->next_query_id++;
}
+
+guint g_web_request_get(GWeb *web, const char *url,
+ GWebResultFunc func, gpointer user_data)
+{
+ return do_request(web, url, NULL, NULL, func, user_data);
+}
+
+guint g_web_request_post(GWeb *web, const char *url,
+ const char *type, GWebInputFunc input,
+ GWebResultFunc func, gpointer user_data)
+{
+ return do_request(web, url, type, input, func, user_data);
+}
+
+gboolean g_web_cancel_request(GWeb *web, guint id)
+{
+ if (web == NULL)
+ return FALSE;
+
+ return TRUE;
+}
+
+guint16 g_web_result_get_status(GWebResult *result)
+{
+ if (result == NULL)
+ return 0;
+
+ return result->status;
+}
+
+gboolean g_web_result_get_chunk(GWebResult *result,
+ const guint8 **chunk, gsize *length)
+{
+ if (result == NULL)
+ return FALSE;
+
+ if (chunk == NULL)
+ return FALSE;
+
+ *chunk = result->buffer;
+
+ if (length != NULL)
+ *length = result->length;
+
+ return TRUE;
+}
+
+gboolean g_web_result_get_header(GWebResult *result,
+ const char *header, const char **value)
+{
+ if (result == NULL)
+ return FALSE;
+
+ if (value == NULL)
+ return FALSE;
+
+ *value = g_hash_table_lookup(result->headers, header);
+
+ if (*value == NULL)
+ return FALSE;
+
+ return TRUE;
+}
+
+struct _GWebParser {
+ gint ref_count;
+ char *begin_token;
+ char *end_token;
+ const char *token_str;
+ size_t token_len;
+ size_t token_pos;
+ gboolean intoken;
+ GString *content;
+ GWebParserFunc func;
+ gpointer user_data;
+};
+
+GWebParser *g_web_parser_new(const char *begin, const char *end,
+ GWebParserFunc func, gpointer user_data)
+{
+ GWebParser *parser;
+
+ parser = g_try_new0(GWebParser, 1);
+ if (parser == NULL)
+ return NULL;
+
+ parser->ref_count = 1;
+
+ parser->begin_token = g_strdup(begin);
+ parser->end_token = g_strdup(end);
+
+ if (parser->begin_token == NULL) {
+ g_free(parser);
+ return NULL;
+ }
+
+ parser->func = func;
+ parser->user_data = user_data;
+
+ parser->token_str = parser->begin_token;
+ parser->token_len = strlen(parser->token_str);
+ parser->token_pos = 0;
+
+ parser->intoken = FALSE;
+ parser->content = g_string_sized_new(0);
+
+ return parser;
+}
+
+GWebParser *g_web_parser_ref(GWebParser *parser)
+{
+ if (parser == NULL)
+ return NULL;
+
+ g_atomic_int_inc(&parser->ref_count);
+
+ return parser;
+}
+
+void g_web_parser_unref(GWebParser *parser)
+{
+ if (parser == NULL)
+ return;
+
+ if (g_atomic_int_dec_and_test(&parser->ref_count) == FALSE)
+ return;
+
+ g_string_free(parser->content, TRUE);
+
+ g_free(parser->begin_token);
+ g_free(parser->end_token);
+ g_free(parser);
+}
+
+void g_web_parser_feed_data(GWebParser *parser,
+ const guint8 *data, gsize length)
+{
+ const guint8 *ptr = data;
+
+ if (parser == NULL)
+ return;
+
+ while (length > 0) {
+ guint8 chr = parser->token_str[parser->token_pos];
+
+ if (parser->token_pos == 0) {
+ guint8 *pos;
+
+ pos = memchr(ptr, chr, length);
+ if (pos == NULL) {
+ if (parser->intoken == TRUE)
+ g_string_append_len(parser->content,
+ (gchar *) ptr, length);
+ break;
+ }
+
+ if (parser->intoken == TRUE)
+ g_string_append_len(parser->content,
+ (gchar *) ptr, (pos - ptr) + 1);
+
+ length -= (pos - ptr) + 1;
+ ptr = pos + 1;
+
+ parser->token_pos++;
+ continue;
+ }
+
+ if (parser->intoken == TRUE)
+ g_string_append_c(parser->content, ptr[0]);
+
+ if (ptr[0] != chr) {
+ length--;
+ ptr++;
+
+ parser->token_pos = 0;
+ continue;
+ }
+
+ length--;
+ ptr++;
+
+ parser->token_pos++;
+
+ if (parser->token_pos == parser->token_len) {
+ if (parser->intoken == FALSE) {
+ g_string_append(parser->content,
+ parser->token_str);
+
+ parser->intoken = TRUE;
+ parser->token_str = parser->end_token;
+ parser->token_len = strlen(parser->end_token);
+ parser->token_pos = 0;
+ } else {
+ char *str;
+ str = g_string_free(parser->content, FALSE);
+ parser->content = g_string_sized_new(0);
+ if (parser->func)
+ parser->func(str, parser->user_data);
+ g_free(str);
+
+ parser->intoken = FALSE;
+ parser->token_str = parser->begin_token;
+ parser->token_len = strlen(parser->begin_token);
+ parser->token_pos = 0;
+ }
+ }
+ }
+}
+
+void g_web_parser_end_data(GWebParser *parser)
+{
+ if (parser == NULL)
+ return;
+}
projects / framework / connectivity / connman.git / blobdiff