# some utilities for converting numbers from hex # lowercase letters only for now == code # instruction effective address register displacement immediate # . op subop mod rm32 base index scale r32 # . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes hex-int?: # in: (addr slice) -> result/eax: boolean # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 51/push-ecx 52/push-edx 53/push-ebx # ecx = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 1/r32/ecx 8/disp8 . # copy *(ebp+8) to ecx # edx = s->end 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 2/r32/edx 4/disp8 . # copy *(ecx+4) to edx # var curr/ecx: (addr byte) = s->start 8b/copy 0/mod/indirect 1/rm32/ecx . . . 1/r32/ecx . . # copy *ecx to ecx # if s is empty return false b8/copy-to-eax 0/imm32/false 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx 73/jump-if-addr>= $hex-int?:end/disp8 # skip past leading '-' # . if (*curr == '-') ++curr 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 3/r32/BL . . # copy byte at *ecx to BL 81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0x2d/imm32/- # compare ebx 75/jump-if-!= $hex-int?:initial-0/disp8 # . ++curr 41/increment-ecx # skip past leading '0x' $hex-int?:initial-0: # . if (*curr != '0') jump to loop 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 3/r32/BL . . # copy byte at *ecx to BL 81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0x30/imm32/0 # compare ebx 75/jump-if-!= $hex-int?:loop/disp8 # . ++curr 41/increment-ecx $hex-int?:initial-0x: # . if (curr >= in->end) return true 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx 73/jump-if-addr>= $hex-int?:true/disp8 # . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 3/r32/BL . . # copy byte at *ecx to BL 81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0x78/imm32/x # compare ebx 75/jump-if-!= $hex-int?:loop/disp8 # . ++curr 41/increment-ecx $hex-int?:loop: # if (curr >= in->end) return true 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx 73/jump-if-addr>= $hex-int?:true/disp8 # var eax: boolean = hex-digit?(*curr) # . . push args 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL 50/push-eax # . . call e8/call hex-digit?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # if (eax == false) return false 3d/compare-eax-and 0/imm32/false 74/jump-if-= $hex-int?:end/disp8 # ++curr 41/increment-ecx # loop eb/jump $hex-int?:loop/disp8 $hex-int?:true: # return true b8/copy-to-eax 1/imm32/true $hex-int?:end: # . restore registers 5b/pop-to-ebx 5a/pop-to-edx 59/pop-to-ecx # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "34" b8/copy-to-eax "34"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = hex-int?(slice) # . . push args 51/push-ecx # . . call e8/call hex-int?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-hex-int"/imm32 68/push 1/imm32/true 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int-handles-letters: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "34a" b8/copy-to-eax "34a"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = hex-int?(slice) # . . push args 51/push-ecx # . . call e8/call hex-int?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-hex-int-handles-letters"/imm32 68/push 1/imm32/true 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int-with-trailing-char: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "34q" b8/copy-to-eax "34q"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = hex-int?(slice) # . . push args 51/push-ecx # . . call e8/call hex-int?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-hex-int-with-trailing-char"/imm32 68/push 0/imm32/false 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int-with-leading-char: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "q34" b8/copy-to-eax "q34"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = hex-int?(slice) # . . push args 51/push-ecx # . . call e8/call hex-int?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-hex-int-with-leading-char"/imm32 68/push 0/imm32/false 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int-empty: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice = "" 68/push 0/imm32 68/push 0/imm32 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = hex-int?(slice) # . . push args 51/push-ecx # . . call e8/call hex-int?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-hex-int-empty"/imm32 68/push 0/imm32/false 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-hex-int-handles-0x-prefix: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "0x3a" b8/copy-to-eax "0x3a"/imm32 8b/copy 0/mod/
/*
* http_upload.c
*
* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#define _GNU_SOURCE 1
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <curl/curl.h>
#include <gio/gio.h>
#include <pthread.h>
#include <assert.h>
#include "profanity.h"
#include "event/client_events.h"
#include "tools/http_upload.h"
#include "config/preferences.h"
#include "ui/ui.h"
#include "ui/window.h"
#include "common.h"
#define FALLBACK_MIMETYPE "application/octet-stream"
#define FALLBACK_CONTENTTYPE_HEADER "Content-Type: application/octet-stream"
#define FALLBACK_MSG ""
#define FILE_HEADER_BYTES 512
struct curl_data_t {
char *buffer;
size_t size;
};
static int
_xferinfo(void *userdata, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow)
{
HTTPUpload *upload = (HTTPUpload *)userdata;
pthread_mutex_lock(&lock);
if (upload->cancel) {
pthread_mutex_unlock(&lock);
return 1;
}
if (upload->bytes_sent == ulnow) {
pthread_mutex_unlock(&lock);
return 0;
} else {
upload->bytes_sent = ulnow;
}
unsigned int ulperc = 0;
if (ultotal != 0) {
ulperc = (100 * ulnow) / ultotal;
}
char *msg;
if (asprintf(&msg, "Uploading '%s': %d%%", upload->filename, ulperc) == -1) {
msg = strdup(FALLBACK_MSG);
}
win_update_entry_message(upload->window, upload->put_url, msg);
free(msg);
pthread_mutex_unlock(&lock);
return 0;
}
#if LIBCURL_VERSION_NUM < 0x072000
static int
_older_progress(void *p, double dltotal, double dlnow, double ultotal, double ulnow)
{
return _xferinfo(p, (curl_off_t)dltotal, (curl_off_t)dlnow, (curl_off_t)ultotal, (curl_off_t)ulnow);
}
#endif
static size_t
_data_callback(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t realsize = size * nmemb;
struct curl_data_t *mem = (struct curl_data_t *) data;
mem->buffer = realloc(mem->buffer, mem->size + realsize + 1);
if (mem->buffer)
{
memcpy( &( mem->buffer[ mem->size ] ), ptr, realsize );
mem->size += realsize;
mem->buffer[ mem->size ] = 0;
}
return realsize;
}
void *
http_file_put(void *userdata)
{
HTTPUpload *upload = (HTTPUpload *)userdata;
FILE *fd = NULL;
char *err = NULL;
char *content_type_header;
CURL *curl;
CURLcode res;
upload->cancel = 0;
upload->bytes_sent = 0;
pthread_mutex_lock(&lock);
char* msg;
if (asprintf(&msg, "Uploading '%s': 0%%", upload->filename) == -1) {
msg = strdup(FALLBACK_MSG);
}
win_print_http_upload(upload->window, msg, upload->put_url);
free(msg);
char *cert_path = prefs_get_string(PREF_TLS_CERTPATH);
pthread_mutex_unlock(&lock);
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, upload->put_url);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
struct curl_slist *headers = NULL;
if (asprintf(&content_type_header, "Content-Type: %s", upload->mime_type) == -1) {
content_type_header = strdup(FALLBACK_CONTENTTYPE_HEADER);
}
headers = curl_slist_append(headers, content_type_header);
headers = curl_slist_append(headers, "Expect:");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
#if LIBCURL_VERSION_NUM >= 0x072000
curl_easy_setopt(curl, CURLOPT_XFERINFOFUNCTION, _xferinfo);
curl_easy_setopt(curl, CURLOPT_XFERINFODATA, upload);
#else
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, _older_progress);
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, upload);
#endif
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
struct curl_data_t output;
output.buffer = NULL;
output.size =