/**
* Match and create font from given fontconfig pattern
*/
decltype(auto) make_font(cairo_t* cairo, string&& fontname, double offset, double dpi_x, double dpi_y) {
static bool fc_init{false};
if (!fc_init && !(fc_init = FcInit())) {
throw application_error("Could not load fontconfig");
} else if (FT_Init_FreeType(&g_ftlib) != FT_Err_Ok) {
throw application_error("Could not load FreeType");
}
static auto fc_cleanup = scope_util::make_exit_handler([] {
FT_Done_FreeType(g_ftlib);
FcFini();
});
auto pattern = FcNameParse((FcChar8*)fontname.c_str());
FcDefaultSubstitute(pattern);
FcConfigSubstitute(nullptr, pattern, FcMatchPattern);
FcResult result;
FcPattern* match = FcFontMatch(nullptr, pattern, &result);
FcPatternDestroy(pattern);
if (match == nullptr) {
throw application_error("Could not load font \"" + fontname + "\"");
}
#ifdef DEBUG_FONTCONFIG
FcPatternPrint(match);
#endif
return make_shared<font_fc>(cairo, match, offset, dpi_x, dpi_y);
}
static CK_RV
commonInit(CK_ATTRIBUTE *attr_match, int attr_match_len,
const CK_MECHANISM_TYPE *mechs, int mechs_len,
const CK_MECHANISM_PTR pMechanism, CK_OBJECT_HANDLE hKey,
struct st_object **o)
{
CK_RV ret;
int i;
*o = NULL;
if ((ret = object_handle_to_object(hKey, o)) != CKR_OK)
return ret;
ret = attributes_match(*o, attr_match, attr_match_len);
if (!ret) {
application_error("called commonInit on key that doesn't "
"support required attr");
return CKR_ARGUMENTS_BAD;
}
for (i = 0; i < mechs_len; i++)
if (mechs[i] == pMechanism->mechanism)
break;
if (i == mechs_len) {
application_error("called mech (%08lx) not supported\n",
pMechanism->mechanism);
return CKR_ARGUMENTS_BAD;
}
return CKR_OK;
}
/**
* Construct config object
*/
config::config(const logger& logger, string&& path, string&& bar)
: m_log(logger), m_file(forward<string>(path)), m_barname(forward<string>(bar)) {
if (!file_util::exists(m_file)) {
throw application_error("Could not find config file: " + m_file);
}
m_log.info("Loading config: %s", m_file);
parse_file();
copy_inherited();
bool found_bar{false};
for (auto&& p : m_sections) {
if (p.first == section()) {
found_bar = true;
break;
}
}
if (!found_bar) {
throw application_error("Undefined bar: " + m_barname);
}
m_log.trace("config: Current bar section: [%s]", section());
}
size_t render(const string& text, double x = 0.0, double y = 0.0) override {
cairo_glyph_t* glyphs{nullptr};
cairo_text_cluster_t* clusters{nullptr};
cairo_text_cluster_flags_t cf{};
int nglyphs = 0, nclusters = 0;
string utf8 = string(text);
auto status = cairo_scaled_font_text_to_glyphs(
m_scaled, x, y, utf8.c_str(), utf8.size(), &glyphs, &nglyphs, &clusters, &nclusters, &cf);
if (status != CAIRO_STATUS_SUCCESS) {
throw application_error(sstream() << "cairo_scaled_font_text_to_glyphs()" << cairo_status_to_string(status));
}
size_t bytes = 0;
for (int g = 0; g < nglyphs; g++) {
if (glyphs[g].index) {
bytes += clusters[g].num_bytes;
} else {
break;
}
}
if (bytes && bytes < text.size()) {
cairo_glyph_free(glyphs);
cairo_text_cluster_free(clusters);
utf8 = text.substr(0, bytes);
auto status = cairo_scaled_font_text_to_glyphs(
m_scaled, x, y, utf8.c_str(), utf8.size(), &glyphs, &nglyphs, &clusters, &nclusters, &cf);
if (status != CAIRO_STATUS_SUCCESS) {
throw application_error(sstream() << "cairo_scaled_font_text_to_glyphs()" << cairo_status_to_string(status));
}
}
if (bytes) {
// auto lock = make_unique<utils::device_lock>(cairo_surface_get_device(cairo_get_target(m_cairo)));
// if (lock.get()) {
// cairo_glyph_path(m_cairo, glyphs, nglyphs);
// }
cairo_text_extents_t extents{};
cairo_scaled_font_glyph_extents(m_scaled, glyphs, nglyphs, &extents);
cairo_show_text_glyphs(m_cairo, utf8.c_str(), utf8.size(), glyphs, nglyphs, clusters, nclusters, cf);
cairo_fill(m_cairo);
cairo_move_to(m_cairo, x + extents.x_advance, 0.0);
}
cairo_glyph_free(glyphs);
cairo_text_cluster_free(clusters);
return bytes;
}
/**
* Query for the XSYNC extension
*/
void query_extension(connection& conn) {
conn.sync().initialize(XCB_SYNC_MAJOR_VERSION, XCB_SYNC_MINOR_VERSION);
if (!conn.extension<xpp::sync::extension>()->present) {
throw application_error("Missing X extension: Sync");
}
}
explicit font_fc(cairo_t* cairo, FcPattern* pattern, double offset, double dpi_x, double dpi_y) : font(cairo, offset), m_pattern(pattern) {
cairo_matrix_t fm;
cairo_matrix_t ctm;
cairo_matrix_init_scale(&fm, size(dpi_x), size(dpi_y));
cairo_get_matrix(m_cairo, &ctm);
auto fontface = cairo_ft_font_face_create_for_pattern(m_pattern);
auto opts = cairo_font_options_create();
m_scaled = cairo_scaled_font_create(fontface, &fm, &ctm, opts);
cairo_font_options_destroy(opts);
cairo_font_face_destroy(fontface);
auto status = cairo_scaled_font_status(m_scaled);
if (status != CAIRO_STATUS_SUCCESS) {
throw application_error(sstream() << "cairo_scaled_font_create(): " << cairo_status_to_string(status));
}
auto lock = make_unique<utils::ft_face_lock>(m_scaled);
auto face = static_cast<FT_Face>(*lock);
if (FT_Select_Charmap(face, FT_ENCODING_UNICODE) == FT_Err_Ok) {
return;
} else if (FT_Select_Charmap(face, FT_ENCODING_BIG5) == FT_Err_Ok) {
return;
} else if (FT_Select_Charmap(face, FT_ENCODING_SJIS) == FT_Err_Ok) {
return;
}
lock.reset();
}
/**
* Query for the XKB extension
*/
void query_extension(connection& conn) {
conn.xkb().use_extension(XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
if (!conn.extension<xpp::xkb::extension>()->present) {
throw application_error("Missing X extension: XKb");
}
}
/**
* Query for the XDAMAGE extension
*/
void query_extension(connection& conn) {
conn.damage().query_version(XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MINOR_VERSION);
if (!conn.extension<xpp::damage::extension>()->present) {
throw application_error("Missing X extension: Damage");
}
}
/**
* Check if required X extensions are available
*/
void connection::query_extensions() {
#ifdef ENABLE_DAMAGE_EXT
damage().query_version(XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MINOR_VERSION);
if (!extension<xpp::damage::extension>()->present)
throw application_error("Missing X extension: Damage");
#endif
#ifdef ENABLE_RENDER_EXT
render().query_version(XCB_RENDER_MAJOR_VERSION, XCB_RENDER_MINOR_VERSION);
if (!extension<xpp::render::extension>()->present)
throw application_error("Missing X extension: Render");
#endif
#ifdef ENABLE_RANDR_EXT
randr().query_version(XCB_RANDR_MAJOR_VERSION, XCB_RANDR_MINOR_VERSION);
if (!extension<xpp::randr::extension>()->present)
throw application_error("Missing X extension: RandR");
#endif
}
/**
* Set output verbosity
*/
void logger::verbosity(loglevel&& level) {
#ifndef DEBUG_LOGGER
if (level == loglevel::TRACE) {
throw application_error("Trace logging is not enabled...");
}
#endif
m_level = forward<decltype(level)>(level);
}
/**
* Query for the XCOMPOSITE extension
*/
void query_extension(connection&) {
#if 0
conn.composite().query_version(XCB_COMPOSITE_MAJOR_VERSION, XCB_COMPOSITE_MINOR_VERSION);
if (!conn.extension<xpp::composite::extension>()->present) {
throw application_error("Missing X extension: Composite");
}
#endif
}
static void
close_session(struct session_state *state)
{
if (state->find.attributes) {
application_error("application didn't do C_FindObjectsFinal\n");
find_object_final(state);
}
state->session_handle = CK_INVALID_HANDLE;
soft_token.application = NULL_PTR;
soft_token.notify = NULL_PTR;
reset_crypto_state(state);
}
CK_RV
C_FindObjects(CK_SESSION_HANDLE hSession,
CK_OBJECT_HANDLE_PTR phObject,
CK_ULONG ulMaxObjectCount,
CK_ULONG_PTR pulObjectCount)
{
struct session_state *state;
int i;
INIT_CONTEXT();
st_logf("FindObjects\n");
VERIFY_SESSION_HANDLE(hSession, &state);
if (state->find.next_object == -1) {
application_error("application didn't do C_FindObjectsInit\n");
return CKR_ARGUMENTS_BAD;
}
if (ulMaxObjectCount == 0) {
application_error("application asked for 0 objects\n");
return CKR_ARGUMENTS_BAD;
}
*pulObjectCount = 0;
for (i = state->find.next_object; i < soft_token.object.num_objs; i++) {
st_logf("FindObjects: %d\n", i);
state->find.next_object = i + 1;
if (attributes_match(soft_token.object.objs[i],
state->find.attributes,
state->find.num_attributes)) {
*phObject++ = soft_token.object.objs[i]->object_handle;
ulMaxObjectCount--;
(*pulObjectCount)++;
if (ulMaxObjectCount == 0)
break;
}
}
return CKR_OK;
}
CK_RV
C_CloseSession(CK_SESSION_HANDLE hSession)
{
struct session_state *state;
INIT_CONTEXT();
st_logf("CloseSession\n");
if (verify_session_handle(hSession, &state) != CKR_OK)
application_error("closed session not open");
else
close_session(state);
return CKR_OK;
}
CK_RV
C_FindObjectsInit(CK_SESSION_HANDLE hSession,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulCount)
{
struct session_state *state;
st_logf("FindObjectsInit\n");
INIT_CONTEXT();
VERIFY_SESSION_HANDLE(hSession, &state);
if (state->find.next_object != -1) {
application_error("application didn't do C_FindObjectsFinal\n");
find_object_final(state);
}
if (ulCount) {
CK_ULONG i;
print_attributes(pTemplate, ulCount);
state->find.attributes =
calloc(1, ulCount * sizeof(state->find.attributes[0]));
if (state->find.attributes == NULL)
return CKR_DEVICE_MEMORY;
for (i = 0; i < ulCount; i++) {
state->find.attributes[i].pValue =
malloc(pTemplate[i].ulValueLen);
if (state->find.attributes[i].pValue == NULL) {
find_object_final(state);
return CKR_DEVICE_MEMORY;
}
memcpy(state->find.attributes[i].pValue,
pTemplate[i].pValue, pTemplate[i].ulValueLen);
state->find.attributes[i].type = pTemplate[i].type;
state->find.attributes[i].ulValueLen = pTemplate[i].ulValueLen;
}
state->find.num_attributes = ulCount;
state->find.next_object = 0;
} else {
st_logf("find all objects\n");
state->find.attributes = NULL;
state->find.num_attributes = 0;
state->find.next_object = 0;
}
return CKR_OK;
}
CK_RV
C_Finalize(CK_VOID_PTR args)
{
size_t i;
INIT_CONTEXT();
st_logf("Finalize\n");
for (i = 0; i < MAX_NUM_SESSION; i++) {
if (soft_token.state[i].session_handle != CK_INVALID_HANDLE) {
application_error("application finalized without "
"closing session\n");
close_session(&soft_token.state[i]);
}
}
return CKR_OK;
}
static CK_RV
verify_session_handle(CK_SESSION_HANDLE hSession,
struct session_state **state)
{
size_t i;
for (i = 0; i < MAX_NUM_SESSION; i++){
if (soft_token.state[i].session_handle == hSession)
break;
}
if (i == MAX_NUM_SESSION) {
application_error("use of invalid handle: 0x%08lx\n",
(unsigned long)hSession);
return CKR_SESSION_HANDLE_INVALID;
}
if (state)
*state = &soft_token.state[i];
return CKR_OK;
}
static void
print_attributes(const CK_ATTRIBUTE *attributes,
CK_ULONG num_attributes)
{
CK_ULONG i;
st_logf("find objects: attrs: %lu\n", (unsigned long)num_attributes);
for (i = 0; i < num_attributes; i++) {
st_logf(" type: ");
switch (attributes[i].type) {
case CKA_TOKEN: {
CK_BBOOL *ck_true;
if (attributes[i].ulValueLen != sizeof(CK_BBOOL)) {
application_error("token attribute wrong length\n");
break;
}
ck_true = attributes[i].pValue;
st_logf("token: %s", *ck_true ? "TRUE" : "FALSE");
break;
}
case CKA_CLASS: {
CK_OBJECT_CLASS *class;
if (attributes[i].ulValueLen != sizeof(CK_ULONG)) {
application_error("class attribute wrong length\n");
break;
}
class = attributes[i].pValue;
st_logf("class ");
switch (*class) {
case CKO_CERTIFICATE:
st_logf("certificate");
break;
case CKO_PUBLIC_KEY:
st_logf("public key");
break;
case CKO_PRIVATE_KEY:
st_logf("private key");
break;
case CKO_SECRET_KEY:
st_logf("secret key");
break;
case CKO_DOMAIN_PARAMETERS:
st_logf("domain parameters");
break;
default:
st_logf("[class %lx]", (long unsigned)*class);
break;
}
break;
}
case CKA_PRIVATE:
st_logf("private");
break;
case CKA_LABEL:
st_logf("label");
break;
case CKA_APPLICATION:
st_logf("application");
break;
case CKA_VALUE:
st_logf("value");
break;
case CKA_ID:
st_logf("id");
break;
default:
st_logf("[unknown 0x%08lx]", (unsigned long)attributes[i].type);
break;
}
st_logf("\n");
}
}
PUBLIC int HTLoadHTTP ARGS4 (
char *, arg,
HTParentAnchor *, anAnchor,
HTFormat, format_out,
HTStream*, sink)
{
int s; /* Socket number for returned data */
char *command; /* The whole command */
char *eol; /* End of line if found */
char *start_of_data; /* Start of body of reply */
int status; /* tcp return */
int bytes_already_read;
char crlf[3]; /* A CR LF equivalent string */
HTStream *target; /* Unconverted data */
HTFormat format_in; /* Format arriving in the message */
char *line_buffer;
char *line_kept_clean;
BOOL extensions; /* Assume good HTTP server */
int compressed;
char line[2048]; /* bumped up to cover Kerb huge headers */
int length, doing_redirect, rv;
int already_retrying = 0;
int return_nothing;
int i;
int keepingalive = 0;
char *p;
/*SWP*/
int statusError=0;
if (!arg)
{
status = -3;
HTProgress ("Bad request.");
goto done;
}
if (!*arg)
{
status = -2;
HTProgress ("Bad request.");
goto done;
}
sprintf(crlf, "%c%c", CR, LF);
/* At this point, we're talking HTTP/1.0. */
extensions = YES;
try_again:
/* All initializations are moved down here from up above,
so we can start over here... */
eol = 0;
bytes_already_read = 0;
length = 0;
doing_redirect = 0;
compressed = 0;
target = NULL;
line_buffer = NULL;
line_kept_clean = NULL;
return_nothing = 0;
/* okay... addr looks like http://hagbard.ncsa.uiuc.edu/blah/etc.html
lets crop it at the 3rd '/' */
for(p = arg,i=0;*p && i!=3;p++)
if(*p=='/') i++;
if(i==3)
i = p-arg; /* i = length not counting last '/' */
else
i = 0;
if((lsocket != -1) && i && addr && !strncmp(addr,arg,i)){
/* keepalive is active and addresses match -- try the old socket */
s = lsocket;
keepingalive = 1; /* flag in case of network error due to server timeout*/
lsocket = -1; /* prevent looping on failure */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Keep-Alive reusing '%s'\n",addr);
#endif
/*
if (addr && *addr) {
sprintf(tmpbuf,"Reusing socket from %s.",addr);
HTProgress(tmpbuf);
}
*/
} else {
if(addr) free(addr);
/* save the address for next time around */
addr = malloc(i+1);
strncpy(addr,arg,i);
*(addr+i)=0;
keepingalive = 0; /* just normal opening of the socket */
if(lsocket != -1) NETCLOSE(lsocket); /* no socket leaks here */
lsocket = -1; /*dont assign until we know the server says okay */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Keep-Alive saving '%s'\n",addr);
#endif
/*
if (addr && *addr) {
sprintf(tmpbuf,"Saving %s for possible socket reuse.",addr);
HTProgress(tmpbuf);
}
*/
}
if (!keepingalive) {
status = HTDoConnect (arg, "HTTP", TCP_PORT, &s);
if (status == HT_INTERRUPTED){
/* Interrupt cleanly. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Interrupted on connect; recovering cleanly.\n");
#endif
HTProgress ("Connection interrupted.");
/* status already == HT_INTERRUPTED */
goto done;
}
if (status < 0) {
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr,
"HTTP: Unable to connect to remote host for `%s' (errno = %d).\n", arg, errno);
#endif
HTProgress ("Unable to connect to remote host.");
status = HT_NO_DATA;
goto done;
}
}
/* Ask that node for the document,
** omitting the host name & anchor
*/
{
char * p1 = HTParse(arg, "", PARSE_PATH|PARSE_PUNCTUATION);
command = malloc(5 + strlen(p1)+ 2 + 31);
if (do_post && !do_put)
strcpy(command, "POST ");
else if (do_post && do_put)
strcpy(command, "PUT ");
else if (do_head)
strcpy(command, "HEAD ");
else if (do_meta)
strcpy(command, "META ");
else
strcpy(command, "GET ");
/*
* For a gateway, the beginning '/' on the request must
* be stripped before appending to the gateway address.
*/
if ((using_gateway)||(using_proxy)) {
strcat(command, p1+1);
}
else
strcat(command, p1);
free(p1);
}
if (extensions)
{
strcat(command, " ");
strcat(command, HTTP_VERSION);
}
strcat(command, crlf); /* CR LF, as in rfc 977 */
if (extensions)
{
#ifdef SAM_NOT_YET
/* SAM This produces an absolutely huge Accept: line. While
there is probably a better way to turn this off, just
compiling it out works for now.
*/
int n, i;
if (!HTPresentations) HTFormatInit();
n = HTList_count(HTPresentations);
begin_ptr=command+strlen(command);
env_length=0;
sprintf(line, "Accept:");
env_length+=strlen(line);
StrAllocCat(command, line);
/* KCMS Accept Header - swp */
if (KCMS_Return_Format==JPEG) {
sprintf(line," image/x-pcd-jpeg,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
else if (KCMS_Return_Format==JYCC) {
sprintf(line," image/x-pcd-jycc,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
else if (KCMS_Return_Format==GIF) {
sprintf(line," image/x-pcd-gif,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
for(i=0; i<n; i++)
{
HTPresentation * pres = HTList_objectAt(HTPresentations, i);
if (pres->rep_out == WWW_PRESENT)
{
sprintf(line, " %s,",HTAtom_name(pres->rep));
env_length+=strlen(line);
StrAllocCat(command, line);
if (env_length>200) {
if ((tmp_ptr=strrchr(command,','))!=NULL) {
*tmp_ptr='\0';
}
sprintf(line, "%c%c",CR,LF);
StrAllocCat(command, line);
begin_ptr=command+strlen(command);
sprintf(line, "Accept:");
env_length=strlen(line);
StrAllocCat(command, line);
}
}
}
/* This gets rid of the last comma. */
if ((tmp_ptr=strrchr(command,','))!=NULL) {
*tmp_ptr='\0';
sprintf(line, "%c%c",CR,LF);
StrAllocCat(command, line);
}
else { /* No accept stuff...get rid of "Accept:" */
begin_ptr='\0';
}
#endif
/* if reloading, send no-cache pragma to proxy servers. --swp */
/* original patch from Ari L. <*****@*****.**> */
if (reloading) {
sprintf(line, "Pragma: no-cache%c%c", CR, LF);
StrAllocCat(command, line);
}
/*This is just used for "not" sending this header on a proxy request*/
if (useKeepAlive) {
sprintf(line, "Connection: keep-alive%c%c", CR, LF);
StrAllocCat(command, line);
}
if (sendAgent) {
sprintf(line, "User-Agent: %s%c%c",agent[selectedAgent],CR,LF);
/*
sprintf(line, "User-Agent: %s/%s libwww/%s%c%c",
HTAppName ? HTAppName : "unknown",
HTAppVersion ? HTAppVersion : "0.0",
HTLibraryVersion, CR, LF);
*/
StrAllocCat(command, line);
}
if (sendReferer) {
/* HTTP Referer field, specifies back-link URL - amb */
if (HTReferer) {
sprintf(line, "Referer: %s%c%c", HTReferer, CR, LF);
StrAllocCat(command, line);
HTReferer = NULL;
}
}
{
char *tmp,*startPtr,*endPtr;
/* addr is always in URL form */
if (addr && !using_proxy && !using_gateway) {
tmp=strdup(addr);
startPtr=strchr(tmp,'/');
if (startPtr) {
startPtr+=2; /*now at begining of hostname*/
if (*startPtr) {
endPtr=strchr(startPtr,':');
if (!endPtr) {
endPtr=strchr(startPtr,'/');
if (endPtr && *endPtr) {
*endPtr='\0';
}
}
else {
*endPtr='\0';
}
sprintf(line, "Host: %s%c%c", startPtr, CR, LF);
StrAllocCat(command, line);
free(tmp);
tmp=startPtr=endPtr=NULL;
}
}
}
else if (using_proxy || using_gateway) {
sprintf(line, "Host: %s%c%c", proxy_host_fix, CR, LF);
StrAllocCat(command, line);
}
}
/* SWP -- 7/10/95 */
/* HTTP Extension headers */
/* Domain Restriction */
sprintf(line,"Extension: Notify-Domain-Restriction%c%c",CR,LF);
StrAllocCat(command,line);
/* BJS -- 12/05/95 -- allow arbitrary headers sent from browser */
if(extra_headers){
int h;
for(h=0;extra_headers[h];h++){
sprintf(line,"%s%c%c",extra_headers[h],CR,LF);
StrAllocCat(command,line);
}
}
{
char *docname;
char *hostname;
char *colon;
int portnumber;
char *auth;
docname = HTParse(arg, "", PARSE_PATH);
hostname = HTParse(arg, "", PARSE_HOST);
if (hostname &&
NULL != (colon = strchr(hostname, ':')))
{
*(colon++) = '\0'; /* Chop off port number */
portnumber = atoi(colon);
}
else portnumber = 80;
if (NULL!=(auth=HTAA_composeAuth(hostname, portnumber, docname)))
{
sprintf(line, "%s%c%c", auth, CR, LF);
StrAllocCat(command, line);
}
#ifndef DISABLE_TRACE
if (www2Trace)
{
if (auth)
fprintf(stderr, "HTTP: Sending authorization: %s\n", auth);
else
fprintf(stderr, "HTTP: Not sending authorization (yet)\n");
}
#endif
FREE(hostname);
FREE(docname);
}
}
if (do_post && !do_put)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Doing post, content-type '%s'\n",
post_content_type);
#endif
sprintf (line, "Content-type: %s%c%c",
post_content_type ? post_content_type : "lose", CR, LF);
StrAllocCat(command, line);
{
int content_length;
if (!post_data)
content_length = 4; /* 4 == "lose" :-) */
else
content_length = strlen (post_data);
sprintf (line, "Content-length: %d%c%c",
content_length, CR, LF);
StrAllocCat(command, line);
}
StrAllocCat(command, crlf); /* Blank line means "end" */
if (post_data)
StrAllocCat(command, post_data);
else
StrAllocCat(command, "lose");
}
else if (do_post && do_put)
{
sprintf (line, "Content-length: %d%c%c",
put_file_size, CR, LF);
StrAllocCat(command, line);
StrAllocCat(command, crlf); /* Blank line means "end" */
}
else {
StrAllocCat(command, crlf); /* Blank line means "end" */
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "Writing:\n%s----------------------------------\n",
command);
#endif
/*
HTProgress ("Sending HTTP request.");
*/
status = NETWRITE(s, command, (int)strlen(command));
if (do_post && do_put) {
char buf[BUFSIZ];
int upcnt=0,n;
while (status>0) {
n=fread(buf,1,BUFSIZ-1,put_fp);
upcnt+= status = NETWRITE(s, buf, n);
#ifndef DISABLE_TRACE
if (www2Trace) {
fprintf(stderr,"[%d](%d) %s",status,n,buf);
}
#endif
if (feof(put_fp)) {
break;
}
}
if (status<0 || !feof(put_fp) || upcnt!=put_file_size) {
char tmpbuf[BUFSIZ];
sprintf(tmpbuf,"Status: %d -- EOF: %d -- UpCnt/FileSize: %d/%d\n\nThe server you connected to either does not support\nthe PUT method, or an error occurred.\n\nYour upload was corrupted! Please try again!",status,(feof(put_fp)?1:0),upcnt,put_file_size);
application_error(tmpbuf,"Upload Error!");
}
}
/* Twirl on each request to make things look nicer -- SWP */
HTCheckActiveIcon(1);
#ifndef DISABLE_TRACE
if (httpTrace) {
fprintf(stderr,"%s",command);
}
#endif
free (command);
if (status <= 0)
{
if (status == 0)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Got status 0 in initial write\n");
#endif
/* Do nothing. */
}
else if
((errno == ENOTCONN || errno == ECONNRESET || errno == EPIPE) &&
!already_retrying &&
/* Don't retry if we're posting. */ !do_post)
{
/* Arrrrgh, HTTP 0/1 compability problem, maybe. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf
(stderr,
"HTTP: BONZO ON WRITE Trying again with HTTP0 request.\n");
#endif
/*
HTProgress ("Retrying as HTTP0 request.");
*/
NETCLOSE(s);
// SAM extensions = NO;
already_retrying = 1;
goto try_again;
}
else
{
if(keepingalive){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Timeout on Keep-Alive. Retrying.\n");
#endif
HTProgress("Server Timeout: Reconnecting");
goto try_again;
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Hit unexpected network WRITE error; aborting connection.\n");
#endif
NETCLOSE (s);
status = -1;
HTProgress ("Unexpected network write error; connection aborted.");
goto done;
}
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: WRITE delivered OK\n");
#endif
HTProgress ("Done sending HTTP request; waiting for response.");
/* Read the first line of the response
** -----------------------------------
*/
{
/* Get numeric status etc */
BOOL end_of_file = NO;
int buffer_length = INIT_LINE_SIZE;
line_buffer = (char *) malloc(buffer_length * sizeof(char));
do {
/* Loop to read in the first line */
/* Extend line buffer if necessary for those crazy WAIS URLs ;-) */
if (buffer_length - length < LINE_EXTEND_THRESH) {
buffer_length = buffer_length + buffer_length;
line_buffer =
(char *) realloc(line_buffer, buffer_length * sizeof(char));
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Trying to read %d\n",
buffer_length - length - 1);
#endif
status = NETREAD(s, line_buffer + length,
buffer_length - length - 1);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Read %d\n", status);
#endif
if (status <= 0) {
/* Retry if we get nothing back too;
bomb out if we get nothing twice. */
if (status == HT_INTERRUPTED) {
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Interrupted initial read.\n");
#endif
HTProgress ("Connection interrupted.");
status = HT_INTERRUPTED;
NETCLOSE (s);
goto clean_up;
} else
if
(status < 0 &&
(errno == ENOTCONN || errno == ECONNRESET || errno == EPIPE)
&& !already_retrying && !do_post)
{
/* Arrrrgh, HTTP 0/1 compability problem, maybe. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: BONZO Trying again with HTTP0 request.\n");
#endif
NETCLOSE(s);
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
extensions = NO;
already_retrying = 1;
HTProgress ("Retrying as HTTP0 request.");
goto try_again;
} else {
if(keepingalive){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Timeout on Keep-Alive. Retrying.\n");
#endif
HTProgress("Server Timeout: Reconnecting");
goto try_again;
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Hit unexpected network read error; aborting connection; status %d.\n", status);
#endif
HTProgress
("Unexpected network read error; connection aborted.");
NETCLOSE (s);
status = -1;
goto clean_up;
}
}
bytes_already_read += status;
{
char line[256];
sprintf (line, "Read %d bytes of data.", bytes_already_read);
HTProgress (line);
}
if (status == 0) {
end_of_file = YES;
break;
}
line_buffer[length+status] = 0;
if (line_buffer) {
if (line_kept_clean)
free (line_kept_clean);
line_kept_clean = (char *)malloc (buffer_length * sizeof (char));
/*
bcopy (line_buffer, line_kept_clean, buffer_length);
*/
memcpy (line_kept_clean, line_buffer, buffer_length);
}
eol = strchr(line_buffer + length, LF);
/* Do we *really* want to do this? */
if (eol && eol != line_buffer && *(eol-1) == CR)
*(eol-1) = ' ';
length = length + status;
/* Do we really want to do *this*? */
if (eol)
*eol = 0; /* Terminate the line */
/* All we need is the first line of the response. If it's a HTTP/1.0
response, then the first line will be absurdly short and therefore
we can safely gate the number of bytes read through this code
(as opposed to below) to ~1000. */
/* Well, let's try 100. */
} while (!eol && !end_of_file && bytes_already_read < 100);
} /* Scope of loop variables */
/* We now have a terminated unfolded line. Parse it.
** -------------------------------------------------
*/
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr, "HTTP: Rx: %s\n", line_buffer);
#endif
{
int fields;
char server_version[VERSION_LENGTH+1];
int server_status;
/*SWP*/
statusError=0;
server_version[0] = 0;
fields = sscanf(line_buffer, "%20s %d",
server_version,
&server_status);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Scanned %d fields from line_buffer\n", fields);
#endif
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: line_buffer '%s'\n", line_buffer);
#endif
/* Rule out HTTP/1.0 reply as best we can. */
if (fields < 2 || !server_version[0] || server_version[0] != 'H' ||
server_version[1] != 'T' || server_version[2] != 'T' ||
server_version[3] != 'P' || server_version[4] != '/' ||
server_version[6] != '.')
{
/* HTTP0 reply */
HTAtom * encoding;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "--- Talking HTTP0.\n");
#endif
format_in = HTFileFormat(arg, &encoding, WWW_HTML, &compressed);
start_of_data = line_kept_clean;
}
else
{
/* Decode full HTTP response */
format_in = HTAtom_for("www/mime");
/* We set start_of_data to "" when !eol here because there
will be a put_block done below; we do *not* use the value
of start_of_data (as a pointer) in the computation of
length or anything else in this situation. */
start_of_data = eol ? eol + 1 : "";
length = eol ? length - (start_of_data - line_buffer) : 0;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "--- Talking HTTP1.\n");
#endif
switch (server_status / 100)
{
case 3: /* Various forms of redirection */
/* We now support this in the parser, at least. */
doing_redirect = 1;
break;
case 4: /* "I think I goofed" */
switch (server_status)
{
case 403:
statusError=1;
/* 403 is "forbidden"; display returned text. */
break;
case 401:
/* length -= start_of_data - text_buffer; */
if (HTAA_shouldRetryWithAuth(start_of_data, length, s))
{
(void)NETCLOSE(s);
lsocket = -1;
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr, "%s %d %s\n",
"HTTP: close socket", s,
"to retry with Access Authorization");
#endif
HTProgress ("Retrying with access authorization information.");
goto try_again;
break;
}
else
{
statusError=1;
/* Fall through. */
}
default:
statusError=1;
break;
} /* case 4 switch */
break;
case 5: /* I think you goofed */
statusError=1;
break;
case 2: /* Good: Got MIME object */
switch (server_status)
{
case 204:
return_nothing = 1;
format_in = HTAtom_for("text/html");
break;
case 200:
if (do_head) {
if (!start_of_data || !*start_of_data) {
headData=NULL;
}
else {
char *ptr;
headData=strdup(start_of_data);
ptr=strchr(headData,'\n');
*ptr='\0';
}
}
break;
default:
break;
}
break;
default: /* bad number */
statusError=1;
HTAlert("Unknown status reply from server!");
break;
} /* Switch on server_status/100 */
} /* Full HTTP reply */
} /* scope of fields */
/* Set up the stream stack to handle the body of the message */
target = HTStreamStack(format_in,
format_out,
compressed,
sink, anAnchor);
if (!target)
{
char buffer[1024]; /* @@@@@@@@ */
sprintf(buffer, "Sorry, no known way of converting %s to %s.",
HTAtom_name(format_in), HTAtom_name(format_out));
HTProgress (buffer);
status = -1;
NETCLOSE (s);
lsocket = -1;
goto clean_up;
}
if (!return_nothing)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Doing put_block, '%s'\n", start_of_data);
#endif
/* BJS: parse start_of_data...*/
for(p=start_of_data;*p;p++){
/* if(*p=='C' && !strncmp("Content-length: ",p,16)){
i = 0;
p+=16;
while(*p && isdigit(*p)){
i = i*10 + *p-'0';
p++;
}
p--;
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr, "HTTP: Content Length is %d\n",i);
#endif
}
*/
if(*p=='K' && !strncmp("Keep-Alive:",p,11)){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Server Agrees to Keep-Alive\n");
#endif
lsocket = s;
p+=10;
}
}
#ifndef DISABLE_TRACE
if (www2Trace && lsocket == -1)
fprintf (stderr, "HTTP: Server does not agree to Keep-Alive\n");
#endif
/* Recycle the first chunk of data, in all cases. */
(*target->isa->put_block)(target, start_of_data, length);
/* Go pull the bulk of the data down. */
/* if we dont use length, header length is wrong due to the
discarded first line - bjs*/
rv = HTCopy(s, target, length /*bytes_already_read*/);
if (rv == -1)
{
(*target->isa->handle_interrupt) (target);
status = HT_INTERRUPTED;
NETCLOSE (s);
lsocket = -1;
goto clean_up;
}
if (rv == -2 && !already_retrying && !do_post)
{
/* Aw hell. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Trying again with HTTP0 request.\n");
#endif
/* May as well consider it an interrupt -- right? */
(*target->isa->handle_interrupt) (target);
NETCLOSE(s);
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
extensions = NO;
already_retrying = 1;
HTProgress ("Retrying as HTTP0 request.");
goto try_again;
}
}
else
{
/* return_nothing is high. */
(*target->isa->put_string) (target, "<mosaic-access-override>\n");
HTProgress ("And silence filled the night.");
}
(*target->isa->end_document)(target);
/* Close socket before doing free. */
if(lsocket == -1){
NETCLOSE(s);
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Closing connection\n");
#endif
} else {
HTProgress("Leaving Server Connection Open");
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Keeping connection alive\n");
#endif
}
/*
else {
NETCLOSE(s);
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Closing connection\n");
#endif
}
*/
(*target->isa->free)(target);
if (doing_redirect)
{
/* OK, now we've got the redirection URL temporarily stored
in external variable redirecting_url, exported from HTMIME.c,
since there's no straightforward way to do this in the library
currently. Do the right thing. */
status = HT_REDIRECTING;
}
else
{
status = HT_LOADED;
}
/* Clean up
*/
clean_up:
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
done:
/* Clear out on exit, just in case. */
do_post = 0;
if (statusError) {
securityType=HTAA_NONE;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr,"Resetting security type to NONE.\n");
#endif
}
return status;
}
void write_png(const string& dst) {
auto status = cairo_surface_write_to_png(m_s, dst.c_str());
if (status != CAIRO_STATUS_SUCCESS) {
throw application_error(sstream() << "cairo_surface_write_to_png(): " << cairo_status_to_string(status));
}
}
