/**
* Rozpoczyna połączenie HTTP.
*
* Funkcja przeprowadza połączenie HTTP przy połączeniu synchronicznym,
* zwracając wynik w polach struktury \c gg_http, lub błąd, gdy sesja się
* nie powiedzie.
*
* Przy połączeniu asynchronicznym, funkcja rozpoczyna połączenie, a dalsze
* etapy będą przeprowadzane po wykryciu zmian (\c watch) na obserwowanym
* deskryptorze (\c fd) i wywołaniu funkcji \c gg_http_watch_fd().
*
* Po zakończeniu, należy zwolnić strukturę za pomocą funkcji
* \c gg_http_free(). Połączenie asynchroniczne można zatrzymać w każdej
* chwili za pomocą \c gg_http_stop().
*
* \param hostname Adres serwera
* \param port Port serwera
* \param async Flaga asynchronicznego połączenia
* \param method Metoda HTTP
* \param path Ścieżka do zasobu (musi być poprzedzona znakiem '/')
* \param header Nagłówek zapytania plus ewentualne dane dla POST
*
* \return Zaalokowana struktura \c gg_http lub NULL, jeśli wystąpił błąd.
*
* \ingroup http
*/
struct gg_http *gg_http_connect(const char *hostname, int port, int async, const char *method, const char *path, const char *header)
{
struct gg_http *h;
if (!hostname || !port || !method || !path || !header) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() invalid arguments\n");
errno = EFAULT;
return NULL;
}
if (!(h = malloc(sizeof(*h))))
return NULL;
memset(h, 0, sizeof(*h));
h->async = async;
h->port = port;
h->fd = -1;
h->type = GG_SESSION_HTTP;
gg_http_set_resolver(h, GG_RESOLVER_DEFAULT);
if (gg_proxy_enabled) {
char *auth = gg_proxy_auth();
h->query = gg_saprintf("%s http://%s:%d%s HTTP/1.0\r\n%s%s",
method, hostname, port, path, (auth) ? auth :
"", header);
hostname = gg_proxy_host;
h->port = port = gg_proxy_port;
free(auth);
} else {
h->query = gg_saprintf("%s %s HTTP/1.0\r\n%s",
method, path, header);
}
if (!h->query) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() not enough memory for query\n");
free(h);
errno = ENOMEM;
return NULL;
}
gg_debug(GG_DEBUG_MISC, "=> -----BEGIN-HTTP-QUERY-----\n%s\n=> -----END-HTTP-QUERY-----\n", h->query);
if (async) {
if (h->resolver_start(&h->fd, &h->resolver, hostname) == -1) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() resolver failed\n");
gg_http_free(h);
errno = ENOENT;
return NULL;
}
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() resolver = %p\n", h->resolver);
h->state = GG_STATE_RESOLVING;
h->check = GG_CHECK_READ;
h->timeout = GG_DEFAULT_TIMEOUT;
} else {
struct in_addr addr;
if (gg_gethostbyname(hostname, &addr, 0) == -1) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() host not found\n");
gg_http_free(h);
errno = ENOENT;
return NULL;
}
if (!(h->fd = gg_connect(&addr, port, 0)) == -1) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() connection failed (errno=%d, %s)\n", errno, strerror(errno));
gg_http_free(h);
return NULL;
}
h->state = GG_STATE_CONNECTING;
while (h->state != GG_STATE_ERROR && h->state != GG_STATE_PARSING) {
if (gg_http_watch_fd(h) == -1)
break;
}
if (h->state != GG_STATE_PARSING) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() some strange error\n");
gg_http_free(h);
return NULL;
}
}
h->callback = gg_http_watch_fd;
h->destroy = gg_http_free;
return h;
}
/**
* Rejestruje nowego użytkownika.
*
* Wymaga wcześniejszego pobrania tokenu za pomocą \c gg_token().
*
* \param email Adres e-mail
* \param password Hasło
* \param tokenid Identyfikator tokenu
* \param tokenval Zawartość tokenu
* \param async Flaga połączenia asynchronicznego
*
* \return Struktura \c gg_http lub \c NULL w przypadku błędu
*
* \ingroup register
*/
struct gg_http *gg_register3(const char *email, const char *password, const char *tokenid, const char *tokenval, int async)
{
struct gg_http *h;
char *__pwd, *__email, *__tokenid, *__tokenval, *form, *query;
if (!email || !password || !tokenid || !tokenval) {
gg_debug(GG_DEBUG_MISC, "=> register, NULL parameter\n");
errno = EFAULT;
return NULL;
}
__pwd = gg_urlencode(password);
__email = gg_urlencode(email);
__tokenid = gg_urlencode(tokenid);
__tokenval = gg_urlencode(tokenval);
if (!__pwd || !__email || !__tokenid || !__tokenval) {
gg_debug(GG_DEBUG_MISC, "=> register, not enough memory for form fields\n");
free(__pwd);
free(__email);
free(__tokenid);
free(__tokenval);
return NULL;
}
form = gg_saprintf("pwd=%s&email=%s&tokenid=%s&tokenval=%s&code=%u",
__pwd, __email, __tokenid, __tokenval,
gg_http_hash("ss", email, password));
free(__pwd);
free(__email);
free(__tokenid);
free(__tokenval);
if (!form) {
gg_debug(GG_DEBUG_MISC, "=> register, not enough memory for form query\n");
return NULL;
}
gg_debug(GG_DEBUG_MISC, "=> register, %s\n", form);
query = gg_saprintf(
"Host: " GG_REGISTER_HOST "\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"User-Agent: " GG_HTTP_USERAGENT "\r\n"
"Content-Length: %d\r\n"
"Pragma: no-cache\r\n"
"\r\n"
"%s",
(int) strlen(form), form);
free(form);
if (!query) {
gg_debug(GG_DEBUG_MISC, "=> register, not enough memory for query\n");
return NULL;
}
if (!(h = gg_http_connect(GG_REGISTER_HOST, GG_REGISTER_PORT, async, "POST", "/appsvc/fmregister3.asp", query))) {
gg_debug(GG_DEBUG_MISC, "=> register, gg_http_connect() failed mysteriously\n");
free(query);
return NULL;
}
h->type = GG_SESSION_REGISTER;
free(query);
h->callback = gg_pubdir_watch_fd;
h->destroy = gg_pubdir_free;
if (!async)
gg_pubdir_watch_fd(h);
return h;
}
/**
* Funkcja wywoływana po zaobserwowaniu zmian na deskryptorze połączenia.
*
* Operacja będzie zakończona, gdy pole \c state będzie równe \c GG_STATE_DONE.
* Jeśli wystąpi błąd, \c state będzie równe \c GG_STATE_ERROR, a kod błędu
* znajdzie się w polu \c error.
*
* \param h Struktura połączenia
*
* \return 0 jeśli się powiodło, -1 w przypadku błędu
*
* \ingroup token
*/
int gg_token_watch_fd(struct gg_http *h)
{
if (!h) {
errno = EFAULT;
return -1;
}
if (h->state == GG_STATE_ERROR) {
gg_debug(GG_DEBUG_MISC, "=> token, watch_fd issued on failed session\n");
errno = EINVAL;
return -1;
}
if (h->state != GG_STATE_PARSING) {
if (gg_http_watch_fd(h) == -1) {
gg_debug(GG_DEBUG_MISC, "=> token, http failure\n");
errno = EINVAL;
return -1;
}
}
if (h->state != GG_STATE_PARSING)
return 0;
/* jeśli h->data jest puste, to ściągaliśmy tokenid i url do niego,
* ale jeśli coś tam jest, to znaczy, że mamy drugi etap polegający
* na pobieraniu tokenu. */
if (!h->data) {
int width, height, length;
char *url = NULL, *tokenid = NULL, *path, *headers;
const char *host;
struct gg_http *h2;
struct gg_token *t;
gg_debug(GG_DEBUG_MISC, "=> token body \"%s\"\n", h->body);
if (h->body && (!(url = (char*)malloc(strlen(h->body) + 1)) || !(tokenid = (char*)malloc(strlen(h->body) + 1)))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for results\n");
free(url);
return -1;
}
if (!h->body || sscanf(h->body, "%d %d %d\r\n%s\r\n%s", &width, &height, &length, tokenid, url) != 5) {
gg_debug(GG_DEBUG_MISC, "=> token, parsing failed\n");
free(url);
free(tokenid);
errno = EINVAL;
return -1;
}
/* dostaliśmy tokenid i wszystkie niezbędne informacje,
* więc pobierzmy obrazek z tokenem */
if (strncmp(url, "http://", 7)) {
path = gg_saprintf("%s?tokenid=%s", url, tokenid);
host = GG_REGISTER_HOST;
} else {
char *slash = strchr(url + 7, '/');
if (slash) {
path = gg_saprintf("%s?tokenid=%s", slash, tokenid);
*slash = 0;
host = url + 7;
} else {
gg_debug(GG_DEBUG_MISC, "=> token, url parsing failed\n");
free(url);
free(tokenid);
errno = EINVAL;
return -1;
}
}
if (!path) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for token url\n");
free(url);
free(tokenid);
return -1;
}
if (!(headers = gg_saprintf("Host: %s\r\nUser-Agent: " GG_HTTP_USERAGENT "\r\n\r\n", host))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for token url\n");
free(path);
free(url);
free(tokenid);
return -1;
}
if (!(h2 = gg_http_connect(host, GG_REGISTER_PORT, h->async, "GET", path, headers))) {
gg_debug(GG_DEBUG_MISC, "=> token, gg_http_connect() failed mysteriously\n");
free(headers);
free(url);
free(path);
free(tokenid);
return -1;
}
free(headers);
free(path);
free(url);
gg_http_free_fields(h);
memcpy(h, h2, sizeof(struct gg_http));
free(h2);
h->type = GG_SESSION_TOKEN;
h->callback = gg_token_watch_fd;
h->destroy = gg_token_free;
if (!h->async)
gg_token_watch_fd(h);
if (!(h->data = t = (struct gg_token*)malloc(sizeof(struct gg_token)))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for token data\n");
free(tokenid);
return -1;
}
t->width = width;
t->height = height;
t->length = length;
t->tokenid = tokenid;
} else {
/* obrazek mamy w h->body */
h->state = GG_STATE_DONE;
}
return 0;
}
/**
* Wysyła hasło użytkownika na e-mail.
*
* Wymaga wcześniejszego pobrania tokenu za pomocą \c gg_token().
*
* \param uin Numer Gadu-Gadu
* \param email Adres e-mail (podany przy rejestracji)
* \param tokenid Identyfikator tokenu
* \param tokenval Zawartość tokenu
* \param async Flaga połączenia asynchronicznego
*
* \return Struktura \c gg_http lub \c NULL w przypadku błędu
*
* \ingroup remind
*/
struct gg_http *gg_remind_passwd3(uin_t uin, const char *email, const char *tokenid, const char *tokenval, int async)
{
struct gg_http *h;
char *form, *query, *__tokenid, *__tokenval, *__email;
if (!tokenid || !tokenval || !email) {
gg_debug(GG_DEBUG_MISC, "=> remind, NULL parameter\n");
errno = EFAULT;
return NULL;
}
__tokenid = gg_urlencode(tokenid);
__tokenval = gg_urlencode(tokenval);
__email = gg_urlencode(email);
if (!__tokenid || !__tokenval || !__email) {
gg_debug(GG_DEBUG_MISC, "=> remind, not enough memory for form fields\n");
free(__tokenid);
free(__tokenval);
free(__email);
return NULL;
}
if (!(form = gg_saprintf("userid=%d&code=%u&tokenid=%s&tokenval=%s&email=%s", uin, gg_http_hash("u", uin), __tokenid, __tokenval, __email))) {
gg_debug(GG_DEBUG_MISC, "=> remind, not enough memory for form fields\n");
free(__tokenid);
free(__tokenval);
free(__email);
return NULL;
}
free(__tokenid);
free(__tokenval);
free(__email);
gg_debug(GG_DEBUG_MISC, "=> remind, %s\n", form);
query = gg_saprintf(
"Host: " GG_REMIND_HOST "\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"User-Agent: " GG_HTTP_USERAGENT "\r\n"
"Content-Length: %d\r\n"
"Pragma: no-cache\r\n"
"\r\n"
"%s",
(int) strlen(form), form);
free(form);
if (!query) {
gg_debug(GG_DEBUG_MISC, "=> remind, not enough memory for query\n");
return NULL;
}
if (!(h = gg_http_connect(GG_REMIND_HOST, GG_REMIND_PORT, async, "POST", "/appsvc/fmsendpwd3.asp", query))) {
gg_debug(GG_DEBUG_MISC, "=> remind, gg_http_connect() failed mysteriously\n");
free(query);
return NULL;
}
h->type = GG_SESSION_REMIND;
free(query);
h->callback = gg_pubdir_watch_fd;
h->destroy = gg_pubdir_free;
if (!async)
gg_pubdir_watch_fd(h);
return h;
}
/*
* gg_http_connect() // funkcja pomocnicza
*
* rozpoczyna po³±czenie po http.
*
* - hostname - adres serwera
* - port - port serwera
* - async - asynchroniczne po³±czenie
* - method - metoda http (GET, POST, cokolwiek)
* - path - ¶cie¿ka do zasobu (musi byæ poprzedzona ,,/'')
* - header - nag³ówek zapytania plus ewentualne dane dla POST
*
* zaalokowana struct gg_http, któr± po¼niej nale¿y
* zwolniæ funkcj± gg_http_free(), albo NULL je¶li wyst±pi³ b³±d.
*/
struct gg_http *gg_http_connect(const char *hostname, int port, int async, const char *method, const char *path, const char *header)
{
struct gg_http *h;
if (!hostname || !port || !method || !path || !header) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() invalid arguments\n");
errno = EFAULT;
return NULL;
}
if (!(h = malloc(sizeof(*h))))
return NULL;
memset(h, 0, sizeof(*h));
h->async = async;
h->port = port;
h->fd = -1;
h->type = GG_SESSION_HTTP;
if (gg_proxy_enabled) {
char *auth = gg_proxy_auth();
h->query = gg_saprintf("%s http://%s:%d%s HTTP/1.0\r\n%s%s",
method, hostname, port, path, (auth) ? auth :
"", header);
hostname = gg_proxy_host;
h->port = port = gg_proxy_port;
if (auth)
free(auth);
} else {
h->query = gg_saprintf("%s %s HTTP/1.0\r\n%s",
method, path, header);
}
if (!h->query) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() not enough memory for query\n");
free(h);
errno = ENOMEM;
return NULL;
}
gg_debug(GG_DEBUG_MISC, "=> -----BEGIN-HTTP-QUERY-----\n%s\n=> -----END-HTTP-QUERY-----\n", h->query);
if (async) {
#ifndef __GG_LIBGADU_HAVE_PTHREAD
if (gg_resolve(&h->fd, &h->pid, hostname)) {
#else
if (gg_resolve_pthread(&h->fd, &h->resolver, hostname)) {
#endif
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() resolver failed\n");
gg_http_free(h);
errno = ENOENT;
return NULL;
}
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() resolver = %p\n", h->resolver);
h->state = GG_STATE_RESOLVING;
h->check = GG_CHECK_READ;
h->timeout = GG_DEFAULT_TIMEOUT;
} else {
struct in_addr *hn, a;
if (!(hn = gg_gethostbyname(hostname))) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() host not found\n");
gg_http_free(h);
errno = ENOENT;
return NULL;
} else {
a.s_addr = hn->s_addr;
free(hn);
}
if (!(h->fd = gg_connect(&a, port, 0)) == -1) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() connection failed (errno=%d, %s)\n", errno, strerror(errno));
gg_http_free(h);
return NULL;
}
h->state = GG_STATE_CONNECTING;
while (h->state != GG_STATE_ERROR && h->state != GG_STATE_PARSING) {
if (gg_http_watch_fd(h) == -1)
break;
}
if (h->state != GG_STATE_PARSING) {
gg_debug(GG_DEBUG_MISC, "// gg_http_connect() some strange error\n");
gg_http_free(h);
return NULL;
}
}
h->callback = gg_http_watch_fd;
h->destroy = gg_http_free;
return h;
}
#define gg_http_error(x) \
close(h->fd); \
h->fd = -1; \
h->state = GG_STATE_ERROR; \
h->error = x; \
return 0;
/*
* gg_http_watch_fd()
*
* przy asynchronicznej obs³udze HTTP funkcjê t± nale¿y wywo³aæ, je¶li
* zmieni³o siê co¶ na obserwowanym deskryptorze.
*
* - h - struktura opisuj±ca po³±czenie
*
* je¶li wszystko posz³o dobrze to 0, inaczej -1. po³±czenie bêdzie
* zakoñczone, je¶li h->state == GG_STATE_PARSING. je¶li wyst±pi jaki¶
* b³±d, to bêdzie tam GG_STATE_ERROR i odpowiedni kod b³êdu w h->error.
*/
int gg_http_watch_fd(struct gg_http *h)
{
gg_debug(GG_DEBUG_FUNCTION, "** gg_http_watch_fd(%p);\n", h);
if (!h) {
gg_debug(GG_DEBUG_MISC, "// gg_http_watch_fd() invalid arguments\n");
errno = EFAULT;
return -1;
}
if (h->state == GG_STATE_RESOLVING) {
struct in_addr a;
gg_debug(GG_DEBUG_MISC, "=> http, resolving done\n");
if (read(h->fd, &a, sizeof(a)) < (signed)sizeof(a) || a.s_addr == INADDR_NONE) {
gg_debug(GG_DEBUG_MISC, "=> http, resolver thread failed\n");
gg_http_error(GG_ERROR_RESOLVING);
}
close(h->fd);
h->fd = -1;
#ifndef __GG_LIBGADU_HAVE_PTHREAD
waitpid(h->pid, NULL, 0);
#else
if (h->resolver) {
gg_resolve_pthread_cleanup(h->resolver, 0);
h->resolver = NULL;
}
#endif
gg_debug(GG_DEBUG_MISC, "=> http, connecting to %s:%d\n", inet_ntoa(a), h->port);
if ((h->fd = gg_connect(&a, h->port, h->async)) == -1) {
gg_debug(GG_DEBUG_MISC, "=> http, connection failed (errno=%d, %s)\n", errno, strerror(errno));
gg_http_error(GG_ERROR_CONNECTING);
}
h->state = GG_STATE_CONNECTING;
h->check = GG_CHECK_WRITE;
h->timeout = GG_DEFAULT_TIMEOUT;
return 0;
}
if (h->state == GG_STATE_CONNECTING) {
int res = 0;
unsigned int res_size = sizeof(res);
if (h->async && (getsockopt(h->fd, SOL_SOCKET, SO_ERROR, &res, &res_size) || res)) {
gg_debug(GG_DEBUG_MISC, "=> http, async connection failed (errno=%d, %s)\n", (res) ? res : errno , strerror((res) ? res : errno));
close(h->fd);
h->fd = -1;
h->state = GG_STATE_ERROR;
h->error = GG_ERROR_CONNECTING;
if (res)
errno = res;
return 0;
}
gg_debug(GG_DEBUG_MISC, "=> http, connected, sending request\n");
h->state = GG_STATE_SENDING_QUERY;
}
if (h->state == GG_STATE_SENDING_QUERY) {
int res;
if ((res = write(h->fd, h->query, strlen(h->query))) < 1) {
gg_debug(GG_DEBUG_MISC, "=> http, write() failed (len=%d, res=%d, errno=%d)\n", strlen(h->query), res, errno);
gg_http_error(GG_ERROR_WRITING);
}
if (res < strlen(h->query)) {
gg_debug(GG_DEBUG_MISC, "=> http, partial header sent (led=%d, sent=%d)\n", strlen(h->query), res);
memmove(h->query, h->query + res, strlen(h->query) - res + 1);
h->state = GG_STATE_SENDING_QUERY;
h->check = GG_CHECK_WRITE;
h->timeout = GG_DEFAULT_TIMEOUT;
} else {
gg_debug(GG_DEBUG_MISC, "=> http, request sent (len=%d)\n", strlen(h->query));
free(h->query);
h->query = NULL;
h->state = GG_STATE_READING_HEADER;
h->check = GG_CHECK_READ;
h->timeout = GG_DEFAULT_TIMEOUT;
}
return 0;
}
if (h->state == GG_STATE_READING_HEADER) {
char buf[1024], *tmp;
int res;
if ((res = read(h->fd, buf, sizeof(buf))) == -1) {
gg_debug(GG_DEBUG_MISC, "=> http, reading header failed (errno=%d)\n", errno);
if (h->header) {
free(h->header);
h->header = NULL;
}
gg_http_error(GG_ERROR_READING);
}
if (!res) {
gg_debug(GG_DEBUG_MISC, "=> http, connection reset by peer\n");
if (h->header) {
free(h->header);
h->header = NULL;
}
gg_http_error(GG_ERROR_READING);
}
gg_debug(GG_DEBUG_MISC, "=> http, read %d bytes of header\n", res);
if (!(tmp = realloc(h->header, h->header_size + res + 1))) {
gg_debug(GG_DEBUG_MISC, "=> http, not enough memory for header\n");
free(h->header);
h->header = NULL;
gg_http_error(GG_ERROR_READING);
}
h->header = tmp;
memcpy(h->header + h->header_size, buf, res);
h->header_size += res;
gg_debug(GG_DEBUG_MISC, "=> http, header_buf=%p, header_size=%d\n", h->header, h->header_size);
h->header[h->header_size] = 0;
if ((tmp = strstr(h->header, "\r\n\r\n")) || (tmp = strstr(h->header, "\n\n"))) {
int sep_len = (*tmp == '\r') ? 4 : 2;
unsigned int left;
char *line;
left = h->header_size - ((long)(tmp) - (long)(h->header) + sep_len);
gg_debug(GG_DEBUG_MISC, "=> http, got all header (%d bytes, %d left)\n", h->header_size - left, left);
/* HTTP/1.1 200 OK */
if (strlen(h->header) < 16 || strncmp(h->header + 9, "200", 3)) {
gg_debug(GG_DEBUG_MISC, "=> -----BEGIN-HTTP-HEADER-----\n%s\n=> -----END-HTTP-HEADER-----\n", h->header);
gg_debug(GG_DEBUG_MISC, "=> http, didn't get 200 OK -- no results\n");
free(h->header);
h->header = NULL;
gg_http_error(GG_ERROR_CONNECTING);
}
h->body_size = 0;
line = h->header;
*tmp = 0;
gg_debug(GG_DEBUG_MISC, "=> -----BEGIN-HTTP-HEADER-----\n%s\n=> -----END-HTTP-HEADER-----\n", h->header);
while (line) {
if (!strncasecmp(line, "Content-length: ", 16)) {
h->body_size = atoi(line + 16);
}
line = strchr(line, '\n');
if (line)
line++;
}
if (h->body_size <= 0) {
gg_debug(GG_DEBUG_MISC, "=> http, content-length not found\n");
h->body_size = left;
}
if (left > h->body_size) {
gg_debug(GG_DEBUG_MISC, "=> http, oversized reply (%d bytes needed, %d bytes left)\n", h->body_size, left);
h->body_size = left;
}
gg_debug(GG_DEBUG_MISC, "=> http, body_size=%d\n", h->body_size);
if (!(h->body = malloc(h->body_size + 1))) {
gg_debug(GG_DEBUG_MISC, "=> http, not enough memory (%d bytes for body_buf)\n", h->body_size + 1);
free(h->header);
h->header = NULL;
gg_http_error(GG_ERROR_READING);
}
if (left) {
memcpy(h->body, tmp + sep_len, left);
h->body_done = left;
}
h->body[left] = 0;
h->state = GG_STATE_READING_DATA;
h->check = GG_CHECK_READ;
h->timeout = GG_DEFAULT_TIMEOUT;
}
return 0;
}
if (h->state == GG_STATE_READING_DATA) {
char buf[1024];
int res;
if ((res = read(h->fd, buf, sizeof(buf))) == -1) {
gg_debug(GG_DEBUG_MISC, "=> http, reading body failed (errno=%d)\n", errno);
if (h->body) {
free(h->body);
h->body = NULL;
}
gg_http_error(GG_ERROR_READING);
}
if (!res) {
if (h->body_done >= h->body_size) {
gg_debug(GG_DEBUG_MISC, "=> http, we're done, closing socket\n");
h->state = GG_STATE_PARSING;
close(h->fd);
h->fd = -1;
} else {
gg_debug(GG_DEBUG_MISC, "=> http, connection closed while reading (have %d, need %d)\n", h->body_done, h->body_size);
if (h->body) {
free(h->body);
h->body = NULL;
}
gg_http_error(GG_ERROR_READING);
}
return 0;
}
gg_debug(GG_DEBUG_MISC, "=> http, read %d bytes of body\n", res);
if (h->body_done + res > h->body_size) {
char *tmp;
gg_debug(GG_DEBUG_MISC, "=> http, too much data (%d bytes, %d needed), enlarging buffer\n", h->body_done + res, h->body_size);
if (!(tmp = realloc(h->body, h->body_done + res + 1))) {
gg_debug(GG_DEBUG_MISC, "=> http, not enough memory for data (%d needed)\n", h->body_done + res + 1);
free(h->body);
h->body = NULL;
gg_http_error(GG_ERROR_READING);
}
h->body = tmp;
h->body_size = h->body_done + res;
}
h->body[h->body_done + res] = 0;
memcpy(h->body + h->body_done, buf, res);
h->body_done += res;
gg_debug(GG_DEBUG_MISC, "=> body_done=%d, body_size=%d\n", h->body_done, h->body_size);
return 0;
}
if (h->fd != -1)
close(h->fd);
h->fd = -1;
h->state = GG_STATE_ERROR;
h->error = 0;
return -1;
}
/*
* gg_token_watch_fd()
*
* przy asynchronicznych operacjach zwi±zanych z tokenem nale¿y wywo³ywaæ
* tê funkcjê przy zmianach na obserwowanym deskryptorze.
*
* - h - struktura opisuj±ca po³±czenie
*
* je¶li wszystko posz³o dobrze to 0, inaczej -1. operacja bêdzie
* zakoñczona, je¶li h->state == GG_STATE_DONE. je¶li wyst±pi jaki¶
* b³±d, to bêdzie tam GG_STATE_ERROR i odpowiedni kod b³êdu w h->error.
*/
int gg_token_watch_fd(struct gg_http *h)
{
if (!h) {
errno = EINVAL;
return -1;
}
if (h->state == GG_STATE_ERROR) {
gg_debug(GG_DEBUG_MISC, "=> token, watch_fd issued on failed session\n");
errno = EINVAL;
return -1;
}
if (h->state != GG_STATE_PARSING) {
if (gg_http_watch_fd(h) == -1) {
gg_debug(GG_DEBUG_MISC, "=> token, http failure\n");
errno = EINVAL;
return -1;
}
}
if (h->state != GG_STATE_PARSING)
return 0;
/* je¶li h->data jest puste, to ¶ci±gali¶my tokenid i url do niego,
* ale je¶li co¶ tam jest, to znaczy, ¿e mamy drugi etap polegaj±cy
* na pobieraniu tokenu. */
if (!h->data) {
int width, height, length;
char *url = NULL, *tokenid = NULL, *path;
struct gg_http *h2;
struct gg_token *t;
gg_debug(GG_DEBUG_MISC, "=> token body \"%s\"\n", h->body);
if (h->body && (!(url = malloc(strlen(h->body))) || !(tokenid = malloc(strlen(h->body))))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for results\n");
free(url);
return -1;
}
if (!h->body || sscanf(h->body, "%d %d %d\r\n%s\r\n%s", &width, &height, &length, tokenid, url) != 5) {
gg_debug(GG_DEBUG_MISC, "=> token, parsing failed\n");
free(url);
free(tokenid);
return -1;
}
/* dostali¶my tokenid i wszystkie niezbêdne informacje,
* wiêc pobierzmy obrazek z tokenem */
if (!(path = gg_saprintf("%s?tokenid=%s", url, tokenid))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for token url\n");
free(url);
free(tokenid);
return -1;
}
free(url);
if (!(h2 = gg_http_connect(GG_APPMSG_HOST, GG_APPMSG_PORT, h->async, "GET", path, "Host: " GG_APPMSG_HOST "\r\nUser-Agent: " GG_HTTP_USERAGENT "\r\n\r\n"))) {
gg_debug(GG_DEBUG_MISC, "=> token, gg_http_connect() failed mysteriously\n");
free(path);
free(tokenid);
return -1;
}
free(path);
memcpy(h, h2, sizeof(struct gg_http));
free(h2);
h->type = GG_SESSION_TOKEN;
h->callback = gg_token_watch_fd;
h->destroy = gg_token_free;
if (!h->async)
gg_token_watch_fd(h);
if (!(h->data = t = malloc(sizeof(struct gg_token)))) {
gg_debug(GG_DEBUG_MISC, "=> token, not enough memory for token data\n");
free(tokenid);
return -1;
}
t->width = width;
t->height = height;
t->length = length;
t->tokenid = tokenid;
} else {
/* obrazek mamy w h->body */
h->state = GG_STATE_DONE;
}
return 0;
}
/*
* gg_change_passwd4()
*
* wysy³a ¿±danie zmiany has³a zgodnie z protoko³em GG 6.0. wymaga
* wcze¶niejszego pobrania tokenu za pomoc± funkcji gg_token().
*
* - uin - numer
* - email - adres e-mail
* - passwd - stare has³o
* - newpasswd - nowe has³o
* - tokenid - identyfikator tokenu
* - tokenval - warto¶æ tokenu
* - async - po³±czenie asynchroniczne
*
* zaalokowana struct gg_http, któr± po¼niej nale¿y zwolniæ
* funkcj± gg_change_passwd_free(), albo NULL je¶li wyst±pi³ b³±d.
*/
struct gg_http *gg_change_passwd4(uin_t uin, const char *email, const char *passwd, const char *newpasswd, const char *tokenid, const char *tokenval, int async)
{
struct gg_http *h;
char *form, *query, *__email, *__fmpwd, *__pwd, *__tokenid, *__tokenval;
if (!uin || !email || !passwd || !newpasswd || !tokenid || !tokenval) {
gg_debug(GG_DEBUG_MISC, "=> change, NULL parameter\n");
errno = EINVAL;
return NULL;
}
__fmpwd = gg_urlencode(passwd);
__pwd = gg_urlencode(newpasswd);
__email = gg_urlencode(email);
__tokenid = gg_urlencode(tokenid);
__tokenval = gg_urlencode(tokenval);
if (!__fmpwd || !__pwd || !__email || !__tokenid || !__tokenval) {
gg_debug(GG_DEBUG_MISC, "=> change, not enough memory for form fields\n");
free(__fmpwd);
free(__pwd);
free(__email);
free(__tokenid);
free(__tokenval);
errno = ENOMEM;
return NULL;
}
if (!(form = gg_saprintf("fmnumber=%d&fmpwd=%s&pwd=%s&email=%s&tokenid=%s&tokenval=%s&code=%u", uin, __fmpwd, __pwd, __email, __tokenid, __tokenval, gg_http_hash("ss", email, newpasswd)))) {
gg_debug(GG_DEBUG_MISC, "=> change, not enough memory for form fields\n");
free(__fmpwd);
free(__pwd);
free(__email);
free(__tokenid);
free(__tokenval);
errno = ENOMEM;
return NULL;
}
free(__fmpwd);
free(__pwd);
free(__email);
free(__tokenid);
free(__tokenval);
gg_debug(GG_DEBUG_MISC, "=> change, %s\n", form);
query = gg_saprintf(
"Host: " GG_REGISTER_HOST "\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"User-Agent: " GG_HTTP_USERAGENT "\r\n"
"Content-Length: %d\r\n"
"Pragma: no-cache\r\n"
"\r\n"
"%s",
(int) strlen(form), form);
free(form);
if (!(h = gg_http_connect(GG_REGISTER_HOST, GG_REGISTER_PORT, async, "POST", "/appsvc/fmregister3.asp", query))) {
gg_debug(GG_DEBUG_MISC, "=> change, gg_http_connect() failed mysteriously\n");
free(query);
return NULL;
}
h->type = GG_SESSION_PASSWD;
free(query);
h->callback = gg_pubdir_watch_fd;
h->destroy = gg_pubdir_free;
if (!async)
gg_pubdir_watch_fd(h);
return h;
}
/*
* gg_unregister3()
*
* usuwa konto u¿ytkownika z serwera protoko³em GG 6.0
*
* - uin - numerek GG
* - password - has³o klienta
* - tokenid - identyfikator tokenu
* - tokenval - warto¶æ tokenu
* - async - po³±czenie asynchroniczne
*
* zaalokowana struct gg_http, któr± po¼niej nale¿y zwolniæ
* funkcj± gg_unregister_free(), albo NULL je¶li wyst±pi³ b³±d.
*/
struct gg_http *gg_unregister3(uin_t uin, const char *password, const char *tokenid, const char *tokenval, int async)
{
struct gg_http *h;
char *__fmpwd, *__pwd, *__tokenid, *__tokenval, *form, *query;
if (!password || !tokenid || !tokenval) {
gg_debug(GG_DEBUG_MISC, "=> unregister, NULL parameter\n");
errno = EINVAL;
return NULL;
}
__pwd = gg_saprintf("%ld", random());
__fmpwd = gg_urlencode(password);
__tokenid = gg_urlencode(tokenid);
__tokenval = gg_urlencode(tokenval);
if (!__fmpwd || !__pwd || !__tokenid || !__tokenval) {
gg_debug(GG_DEBUG_MISC, "=> unregister, not enough memory for form fields\n");
free(__pwd);
free(__fmpwd);
free(__tokenid);
free(__tokenval);
errno = ENOMEM;
return NULL;
}
form = gg_saprintf("fmnumber=%d&fmpwd=%s&delete=1&pwd=%s&[email protected]&tokenid=%s&tokenval=%s&code=%u", uin, __fmpwd, __pwd, __tokenid, __tokenval, gg_http_hash("ss", "*****@*****.**", __pwd));
free(__fmpwd);
free(__pwd);
free(__tokenid);
free(__tokenval);
if (!form) {
gg_debug(GG_DEBUG_MISC, "=> unregister, not enough memory for form query\n");
errno = ENOMEM;
return NULL;
}
gg_debug(GG_DEBUG_MISC, "=> unregister, %s\n", form);
query = gg_saprintf(
"Host: " GG_REGISTER_HOST "\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"User-Agent: " GG_HTTP_USERAGENT "\r\n"
"Content-Length: %d\r\n"
"Pragma: no-cache\r\n"
"\r\n"
"%s",
(int) strlen(form), form);
free(form);
if (!(h = gg_http_connect(GG_REGISTER_HOST, GG_REGISTER_PORT, async, "POST", "/appsvc/fmregister3.asp", query))) {
gg_debug(GG_DEBUG_MISC, "=> unregister, gg_http_connect() failed mysteriously\n");
free(query);
return NULL;
}
h->type = GG_SESSION_UNREGISTER;
free(query);
h->callback = gg_pubdir_watch_fd;
h->destroy = gg_pubdir_free;
if (!async)
gg_pubdir_watch_fd(h);
return h;
}
