diff options
Diffstat (limited to 'src/apps/http/makefsdata/makefsdata.c')
| -rw-r--r-- | src/apps/http/makefsdata/makefsdata.c | 1307 |
1 files changed, 1307 insertions, 0 deletions
diff --git a/src/apps/http/makefsdata/makefsdata.c b/src/apps/http/makefsdata/makefsdata.c new file mode 100644 index 00000000000..240c72e4be8 --- /dev/null +++ b/src/apps/http/makefsdata/makefsdata.c @@ -0,0 +1,1307 @@ +/** + * makefsdata: Converts a directory structure for use with the lwIP httpd. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Jim Pettinato + * Simon Goldschmidt + * + * @todo: + * - take TCP_MSS, LWIP_TCP_TIMESTAMPS and + * PAYLOAD_ALIGN_TYPE/PAYLOAD_ALIGNMENT as arguments + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <sys/stat.h> + +#include "tinydir.h" + +/** Makefsdata can generate *all* files deflate-compressed (where file size shrinks). + * Since nearly all browsers support this, this is a good way to reduce ROM size. + * To compress the files, "miniz.c" must be downloaded separately OR + * MAKEFS_SUPPORT_DEFLATE_ZLIB must be set and the zlib library and headers + * must be present on the system compiling this program. + */ +#ifndef MAKEFS_SUPPORT_DEFLATE +#define MAKEFS_SUPPORT_DEFLATE 0 +#ifndef MAKEFS_SUPPORT_DEFLATE_ZLIB +#define MAKEFS_SUPPORT_DEFLATE_ZLIB 0 +#endif /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ +#endif /* MAKEFS_SUPPORT_DEFLATE */ + +#define COPY_BUFSIZE (1024*1024) /* 1 MByte */ + +#if MAKEFS_SUPPORT_DEFLATE +#if MAKEFS_SUPPORT_DEFLATE_ZLIB +#include <zlib.h> +#else +#include "../miniz.c" +#endif /* MAKEFS_SUPPORT_DEFLATE */ + +typedef unsigned char uint8; +typedef unsigned short uint16; +typedef unsigned int uint; + +#define my_max(a,b) (((a) > (b)) ? (a) : (b)) +#define my_min(a,b) (((a) < (b)) ? (a) : (b)) + +/* COMP_OUT_BUF_SIZE is the size of the output buffer used during compression. + COMP_OUT_BUF_SIZE must be >= 1 and <= OUT_BUF_SIZE */ +#define COMP_OUT_BUF_SIZE COPY_BUFSIZE + +/* OUT_BUF_SIZE is the size of the output buffer used during decompression. + OUT_BUF_SIZE must be a power of 2 >= TINFL_LZ_DICT_SIZE (because the low-level decompressor not only writes, but reads from the output buffer as it decompresses) */ +#define OUT_BUF_SIZE COPY_BUFSIZE +static uint8 s_outbuf[OUT_BUF_SIZE]; +static uint8 s_checkbuf[OUT_BUF_SIZE]; + +#ifndef MAKEFS_SUPPORT_DEFLATE_ZLIB +/* tdefl_compressor contains all the state needed by the low-level compressor so it's a pretty big struct (~300k). + This example makes it a global vs. putting it on the stack, of course in real-world usage you'll probably malloc() or new it. */ +tdefl_compressor g_deflator; +#endif /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + +static int deflate_level; /* default compression level, can be changed via command line */ +#define USAGE_ARG_DEFLATE " [-defl<:compr_level>]" +#else /* MAKEFS_SUPPORT_DEFLATE */ +#define USAGE_ARG_DEFLATE "" +#endif /* MAKEFS_SUPPORT_DEFLATE */ + +#ifdef WIN32 + +#define GETCWD(path, len) GetCurrentDirectoryA(len, path) +#define GETCWD_SUCCEEDED(ret) (ret != 0) +#define CHDIR(path) SetCurrentDirectoryA(path) +#define CHDIR_SUCCEEDED(ret) (ret == TRUE) + +#elif __linux__ + +#define GETCWD(path, len) getcwd(path, len) +#define GETCWD_SUCCEEDED(ret) (ret != NULL) +#define CHDIR(path) chdir(path) +#define CHDIR_SUCCEEDED(ret) (ret == 0) + +#else + +#error makefsdata not supported on this platform + +#endif + +#define NEWLINE "\r\n" +#define NEWLINE_LEN 2 + +/* Define this here since we don't include any external C files and ports might override it */ +#define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion \"%s\" failed at line %d in %s\n", \ + x, __LINE__, __FILE__); fflush(NULL); abort();} while(0) + +/* define this to get the header variables we use to build HTTP headers */ +#define LWIP_HTTPD_DYNAMIC_HEADERS 1 +#define LWIP_HTTPD_SSI 1 +#include "lwip/init.h" +#include "../httpd_structs.h" +#include "lwip/apps/fs.h" + +#include "../core/inet_chksum.c" +#include "../core/def.c" + +/** (Your server name here) */ +static const char *serverID = "Server: "HTTPD_SERVER_AGENT"\r\n"; +static char serverIDBuffer[1024]; + +/* change this to suit your MEM_ALIGNMENT */ +#define PAYLOAD_ALIGNMENT 4 +/* set this to 0 to prevent aligning payload */ +#define ALIGN_PAYLOAD 1 +/* define this to a type that has the required alignment */ +#define PAYLOAD_ALIGN_TYPE "unsigned int" +static int payload_alingment_dummy_counter = 0; + +#define HEX_BYTES_PER_LINE 16 + +#define MAX_PATH_LEN 256 + +struct file_entry { + struct file_entry *next; + const char *filename_c; +}; + +int process_sub(FILE *data_file, FILE *struct_file); +int process_file(FILE *data_file, FILE *struct_file, const char *filename); +int file_write_http_header(FILE *data_file, const char *filename, int file_size, u16_t *http_hdr_len, + u16_t *http_hdr_chksum, u8_t provide_content_len, int is_compressed); +int file_put_ascii(FILE *file, const char *ascii_string, int len, int *i); +int s_put_ascii(char *buf, const char *ascii_string, int len, int *i); +void concat_files(const char *file1, const char *file2, const char *targetfile); +int check_path(char *path, size_t size); +static int checkSsiByFilelist(const char* filename_listfile); +static int ext_in_list(const char* filename, const char *ext_list); +static int file_to_exclude(const char* filename); +static int file_can_be_compressed(const char* filename); + +/* 5 bytes per char + 3 bytes per line */ +static char file_buffer_c[COPY_BUFSIZE * 5 + ((COPY_BUFSIZE / HEX_BYTES_PER_LINE) * 3)]; + +static char curSubdir[MAX_PATH_LEN-3]; +static char lastFileVar[MAX_PATH_LEN]; +static char hdr_buf[4096]; + +static unsigned char processSubs = 1; +static unsigned char includeHttpHeader = 1; +static unsigned char useHttp11 = 0; +static unsigned char supportSsi = 1; +static unsigned char precalcChksum = 0; +static unsigned char includeLastModified = 0; +#if MAKEFS_SUPPORT_DEFLATE +static unsigned char deflateNonSsiFiles = 0; +static size_t deflatedBytesReduced = 0; +static size_t overallDataBytes = 0; +#endif +static const char *exclude_list = NULL; +static const char *ncompress_list = NULL; + +static struct file_entry *first_file = NULL; +static struct file_entry *last_file = NULL; + +static char *ssi_file_buffer; +static char **ssi_file_lines; +static size_t ssi_file_num_lines; + +static void print_usage(void) +{ + printf(" Usage: htmlgen [targetdir] [-s] [-e] [-11] [-nossi] [-ssi:<filename>] [-c] [-f:<filename>] [-m] [-svr:<name>] [-x:<ext_list>] [-xc:<ext_list>" USAGE_ARG_DEFLATE NEWLINE NEWLINE); + printf(" targetdir: relative or absolute path to files to convert" NEWLINE); + printf(" switch -s: toggle processing of subdirectories (default is on)" NEWLINE); + printf(" switch -e: exclude HTTP header from file (header is created at runtime, default is off)" NEWLINE); + printf(" switch -11: include HTTP 1.1 header (1.0 is default)" NEWLINE); + printf(" switch -nossi: no support for SSI (cannot calculate Content-Length for SSI)" NEWLINE); + printf(" switch -ssi: ssi filename (ssi support controlled by file list, not by extension)" NEWLINE); + printf(" switch -c: precalculate checksums for all pages (default is off)" NEWLINE); + printf(" switch -f: target filename (default is \"fsdata.c\")" NEWLINE); + printf(" switch -m: include \"Last-Modified\" header based on file time" NEWLINE); + printf(" switch -svr: server identifier sent in HTTP response header ('Server' field)" NEWLINE); + printf(" switch -x: comma separated list of extensions of files to exclude (e.g., -x:json,txt)" NEWLINE); + printf(" switch -xc: comma separated list of extensions of files to not compress (e.g., -xc:mp3,jpg)" NEWLINE); +#if MAKEFS_SUPPORT_DEFLATE + printf(" switch -defl: deflate-compress all non-SSI files (with opt. compr.-level, default=10)" NEWLINE); + printf(" ATTENTION: browser has to support \"Content-Encoding: deflate\"!" NEWLINE); +#endif + printf(" if targetdir not specified, htmlgen will attempt to" NEWLINE); + printf(" process files in subdirectory 'fs'" NEWLINE); +} + +int main(int argc, char *argv[]) +{ + char path[MAX_PATH_LEN]; + char appPath[MAX_PATH_LEN]; + FILE *data_file; + FILE *struct_file; + int filesProcessed; + int i; + char targetfile[MAX_PATH_LEN]; + strcpy(targetfile, "fsdata.c"); + + memset(path, 0, sizeof(path)); + memset(appPath, 0, sizeof(appPath)); + + printf(NEWLINE " makefsdata v" LWIP_VERSION_STRING " - HTML to C source converter" NEWLINE); + printf(" by Jim Pettinato - circa 2003 " NEWLINE); + printf(" extended by Simon Goldschmidt - 2009 " NEWLINE NEWLINE); + + LWIP_ASSERT("sizeof(hdr_buf) must fit into an u16_t", sizeof(hdr_buf) <= 0xffff); + + strcpy(path, "fs"); + for (i = 1; i < argc; i++) { + if (argv[i] == NULL) { + continue; + } + if (argv[i][0] == '-') { + if (strstr(argv[i], "-svr:") == argv[i]) { + snprintf(serverIDBuffer, sizeof(serverIDBuffer), "Server: %s\r\n", &argv[i][5]); + serverID = serverIDBuffer; + printf("Using Server-ID: \"%s\"\n", serverID); + } else if (!strcmp(argv[i], "-s")) { + processSubs = 0; + } else if (!strcmp(argv[i], "-e")) { + includeHttpHeader = 0; + } else if (!strcmp(argv[i], "-11")) { + useHttp11 = 1; + } else if (!strcmp(argv[i], "-nossi")) { + supportSsi = 0; + } else if (strstr(argv[i], "-ssi:") == argv[i]) { + const char* ssi_list_filename = &argv[i][5]; + if (checkSsiByFilelist(ssi_list_filename)) { + printf("Reading list of SSI files from \"%s\"\n", ssi_list_filename); + } else { + printf("Failed to load list of SSI files from \"%s\"\n", ssi_list_filename); + } + } else if (!strcmp(argv[i], "-c")) { + precalcChksum = 1; + } else if (strstr(argv[i], "-f:") == argv[i]) { + strncpy(targetfile, &argv[i][3], sizeof(targetfile) - 1); + targetfile[sizeof(targetfile) - 1] = 0; + printf("Writing to file \"%s\"\n", targetfile); + } else if (!strcmp(argv[i], "-m")) { + includeLastModified = 1; + } else if (strstr(argv[i], "-defl") == argv[i]) { +#if MAKEFS_SUPPORT_DEFLATE + const char *colon = &argv[i][5]; + if (*colon == ':') { + int defl_level = atoi(&colon[1]); + if ((colon[1] != 0) && (defl_level >= 0) && (defl_level <= 10)) { + deflate_level = defl_level; + } else { + printf("ERROR: deflate level must be [0..10]" NEWLINE); + exit(0); + } + } else { + /* default to highest compression */ + deflate_level = 10; + } + deflateNonSsiFiles = 1; + printf("Deflating all non-SSI files with level %d (but only if size is reduced)" NEWLINE, deflate_level); +#else + printf("WARNING: Deflate support is disabled\n"); +#endif + } else if (strstr(argv[i], "-x:") == argv[i]) { + exclude_list = &argv[i][3]; + printf("Excluding files with extensions %s" NEWLINE, exclude_list); + } else if (strstr(argv[i], "-xc:") == argv[i]) { + ncompress_list = &argv[i][4]; + printf("Skipping compression for files with extensions %s" NEWLINE, ncompress_list); + } else if ((strstr(argv[i], "-?")) || (strstr(argv[i], "-h"))) { + print_usage(); + exit(0); + } + } else if ((argv[i][0] == '/') && (argv[i][1] == '?') && (argv[i][2] == 0)) { + print_usage(); + exit(0); + } else { + strncpy(path, argv[i], sizeof(path) - 1); + path[sizeof(path) - 1] = 0; + } + } + + if (!check_path(path, sizeof(path))) { + printf("Invalid path: \"%s\"." NEWLINE, path); + exit(-1); + } + + if(!GETCWD_SUCCEEDED(GETCWD(appPath, MAX_PATH_LEN))) { + printf("Unable to get current dir." NEWLINE); + exit(-1); + } + /* if command line param or subdir named 'fs' not found spout usage verbiage */ + if (!CHDIR_SUCCEEDED(CHDIR(path))) { + /* if no subdir named 'fs' (or the one which was given) exists, spout usage verbiage */ + printf(" Failed to open directory \"%s\"." NEWLINE NEWLINE, path); + print_usage(); + exit(-1); + } + if(!CHDIR_SUCCEEDED(CHDIR(appPath))) { + printf("Invalid path: \"%s\"." NEWLINE, appPath); + exit(-1); + } + + printf("HTTP %sheader will %s statically included." NEWLINE, + (includeHttpHeader ? (useHttp11 ? "1.1 " : "1.0 ") : ""), + (includeHttpHeader ? "be" : "not be")); + + curSubdir[0] = '\0'; /* start off in web page's root directory - relative paths */ + printf(" Processing all files in directory %s", path); + if (processSubs) { + printf(" and subdirectories..." NEWLINE NEWLINE); + } else { + printf("..." NEWLINE NEWLINE); + } + + data_file = fopen("fsdata.tmp", "wb"); + if (data_file == NULL) { + printf("Failed to create file \"fsdata.tmp\"\n"); + exit(-1); + } + struct_file = fopen("fshdr.tmp", "wb"); + if (struct_file == NULL) { + printf("Failed to create file \"fshdr.tmp\"\n"); + fclose(data_file); + exit(-1); + } + + if(!CHDIR_SUCCEEDED(CHDIR(path))) { + printf("Invalid path: \"%s\"." NEWLINE, path); + exit(-1); + } + + fprintf(data_file, "#include \"lwip/apps/fs.h\"" NEWLINE); + fprintf(data_file, "#include \"lwip/def.h\"" NEWLINE NEWLINE NEWLINE); + + fprintf(data_file, "#define file_NULL (struct fsdata_file *) NULL" NEWLINE NEWLINE NEWLINE); + /* define FS_FILE_FLAGS_HEADER_INCLUDED to 1 if not defined (compatibility with older httpd/fs) */ + fprintf(data_file, "#ifndef FS_FILE_FLAGS_HEADER_INCLUDED" NEWLINE "#define FS_FILE_FLAGS_HEADER_INCLUDED 1" NEWLINE "#endif" NEWLINE); + /* define FS_FILE_FLAGS_HEADER_PERSISTENT to 0 if not defined (compatibility with older httpd/fs: wasn't supported back then) */ + fprintf(data_file, "#ifndef FS_FILE_FLAGS_HEADER_PERSISTENT" NEWLINE "#define FS_FILE_FLAGS_HEADER_PERSISTENT 0" NEWLINE "#endif" NEWLINE); + + /* define alignment defines */ +#if ALIGN_PAYLOAD + fprintf(data_file, "/* FSDATA_FILE_ALIGNMENT: 0=off, 1=by variable, 2=by include */" NEWLINE "#ifndef FSDATA_FILE_ALIGNMENT" NEWLINE "#define FSDATA_FILE_ALIGNMENT 0" NEWLINE "#endif" NEWLINE); +#endif + fprintf(data_file, "#ifndef FSDATA_ALIGN_PRE" NEWLINE "#define FSDATA_ALIGN_PRE" NEWLINE "#endif" NEWLINE); + fprintf(data_file, "#ifndef FSDATA_ALIGN_POST" NEWLINE "#define FSDATA_ALIGN_POST" NEWLINE "#endif" NEWLINE); +#if ALIGN_PAYLOAD + fprintf(data_file, "#if FSDATA_FILE_ALIGNMENT==2" NEWLINE "#include \"fsdata_alignment.h\"" NEWLINE "#endif" NEWLINE); +#endif + + sprintf(lastFileVar, "NULL"); + + filesProcessed = process_sub(data_file, struct_file); + + /* data_file now contains all of the raw data.. now append linked list of + * file header structs to allow embedded app to search for a file name */ + fprintf(data_file, NEWLINE NEWLINE); + fprintf(struct_file, "#define FS_ROOT file_%s" NEWLINE, lastFileVar); + fprintf(struct_file, "#define FS_NUMFILES %d" NEWLINE NEWLINE, filesProcessed); + + fclose(data_file); + fclose(struct_file); + + if(!CHDIR_SUCCEEDED(CHDIR(appPath))) { + printf("Invalid path: \"%s\"." NEWLINE, appPath); + exit(-1); + } + + /* append struct_file to data_file */ + printf(NEWLINE "Creating target file..." NEWLINE NEWLINE); + concat_files("fsdata.tmp", "fshdr.tmp", targetfile); + + /* if succeeded, delete the temporary files */ + if (remove("fsdata.tmp") != 0) { + printf("Warning: failed to delete fsdata.tmp\n"); + } + if (remove("fshdr.tmp") != 0) { + printf("Warning: failed to delete fshdr.tmp\n"); + } + + printf(NEWLINE "Processed %d files - done." NEWLINE, filesProcessed); +#if MAKEFS_SUPPORT_DEFLATE + if (deflateNonSsiFiles) { + printf("(Deflated total byte reduction: %d bytes -> %d bytes (%.02f%%)" NEWLINE, + (int)overallDataBytes, (int)deflatedBytesReduced, (float)((deflatedBytesReduced * 100.0) / overallDataBytes)); + } +#endif + printf(NEWLINE); + + while (first_file != NULL) { + struct file_entry *fe = first_file; + first_file = fe->next; + free(fe); + } + + if (ssi_file_buffer) { + free(ssi_file_buffer); + } + if (ssi_file_lines) { + free(ssi_file_lines); + } + + return 0; +} + +int check_path(char *path, size_t size) +{ + size_t slen; + if (path[0] == 0) { + /* empty */ + return 0; + } + slen = strlen(path); + if (slen >= size) { + /* not NULL-terminated */ + return 0; + } + while ((slen > 0) && ((path[slen] == '\\') || (path[slen] == '/'))) { + /* path should not end with trailing backslash */ + path[slen] = 0; + slen--; + } + if (slen == 0) { + return 0; + } + return 1; +} + +static void copy_file(const char *filename_in, FILE *fout) +{ + FILE *fin; + size_t len; + void *buf; + fin = fopen(filename_in, "rb"); + if (fin == NULL) { + printf("Failed to open file \"%s\"\n", filename_in); + exit(-1); + } + buf = malloc(COPY_BUFSIZE); + while ((len = fread(buf, 1, COPY_BUFSIZE, fin)) > 0) { + fwrite(buf, 1, len, fout); + } + free(buf); + fclose(fin); +} + +void concat_files(const char *file1, const char *file2, const char *targetfile) +{ + FILE *fout; + fout = fopen(targetfile, "wb"); + if (fout == NULL) { + printf("Failed to open file \"%s\"\n", targetfile); + exit(-1); + } + copy_file(file1, fout); + copy_file(file2, fout); + fclose(fout); +} + +int process_sub(FILE *data_file, FILE *struct_file) +{ + tinydir_dir dir; + int filesProcessed = 0; + + if (processSubs) { + /* process subs recursively */ + size_t sublen = strlen(curSubdir); + size_t freelen = sizeof(curSubdir) - sublen - 1; + int ret; + LWIP_ASSERT("sublen < sizeof(curSubdir)", sublen < sizeof(curSubdir)); + + ret = tinydir_open_sorted(&dir, TINYDIR_STRING(".")); + + if (ret == 0) { + unsigned int i; + for (i = 0; i < dir.n_files; i++) { + tinydir_file file; + + ret = tinydir_readfile_n(&dir, &file, i); + + if (ret == 0) { +#if (defined _MSC_VER || defined __MINGW32__) && (defined _UNICODE) + size_t num_char_converted; + char currName[256]; + wcstombs_s(&num_char_converted, currName, sizeof(currName), file.name, sizeof(currName)); +#else + const char *currName = file.name; +#endif + + if (currName[0] == '.') { + continue; + } + if (!file.is_dir) { + continue; + } + if (freelen > 0) { + if(!CHDIR_SUCCEEDED(CHDIR(currName))) { + printf("Invalid path: \"%s\"." NEWLINE, currName); + exit(-1); + } + strncat(curSubdir, "/", freelen); + strncat(curSubdir, currName, freelen - 1); + curSubdir[sizeof(curSubdir) - 1] = 0; + printf("processing subdirectory %s/..." NEWLINE, curSubdir); + filesProcessed += process_sub(data_file, struct_file); + if(!CHDIR_SUCCEEDED(CHDIR(".."))) { + printf("Unable to get back to parent dir of: \"%s\"." NEWLINE, currName); + exit(-1); + } + curSubdir[sublen] = 0; + } else { + printf("WARNING: cannot process sub due to path length restrictions: \"%s/%s\"\n", curSubdir, currName); + } + } + } + } + + ret = tinydir_open_sorted(&dir, TINYDIR_STRING(".")); + if (ret == 0) { + unsigned int i; + for (i = 0; i < dir.n_files; i++) { + tinydir_file file; + + ret = tinydir_readfile_n(&dir, &file, i); + + if (ret == 0) { + if (!file.is_dir) { +#if (defined _MSC_VER || defined __MINGW32__) && (defined _UNICODE) + size_t num_char_converted; + char curName[256]; + wcstombs_s(&num_char_converted, curName, sizeof(curName), file.name, sizeof(curName)); +#else + const char *curName = file.name; +#endif + + if (strcmp(curName, "fsdata.tmp") == 0) { + continue; + } + if (strcmp(curName, "fshdr.tmp") == 0) { + continue; + } + if (file_to_exclude(curName)) { + printf("skipping %s/%s by exclude list (-x option)..." NEWLINE, curSubdir, curName); + continue; + } + + printf("processing %s/%s..." NEWLINE, curSubdir, curName); + + if (process_file(data_file, struct_file, curName) < 0) { + printf(NEWLINE "Error... aborting" NEWLINE); + return -1; + } + filesProcessed++; + } + } + } + } + } + + return filesProcessed; +} + +static u8_t *get_file_data(const char *filename, int *file_size, int can_be_compressed, int *is_compressed) +{ + FILE *inFile; + size_t fsize = 0; + u8_t *buf; + size_t r; + int rs; + LWIP_UNUSED_ARG(r); /* for LWIP_NOASSERT */ + inFile = fopen(filename, "rb"); + if (inFile == NULL) { + printf("Failed to open file \"%s\"\n", filename); + exit(-1); + } + fseek(inFile, 0, SEEK_END); + rs = ftell(inFile); + if (rs < 0) { + printf("ftell failed with %d\n", errno); + exit(-1); + } + fsize = (size_t)rs; + fseek(inFile, 0, SEEK_SET); + buf = (u8_t *)malloc(fsize); + LWIP_ASSERT("buf != NULL", buf != NULL); + r = fread(buf, 1, fsize, inFile); + LWIP_ASSERT("r == fsize", r == fsize); + *file_size = fsize; + *is_compressed = 0; +#if MAKEFS_SUPPORT_DEFLATE + overallDataBytes += fsize; + if (deflateNonSsiFiles) { + if (can_be_compressed) { + if (fsize < OUT_BUF_SIZE) { + u8_t *ret_buf; +#ifndef MAKEFS_SUPPORT_DEFLATE_ZLIB + tdefl_status status; +#else /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + int status; +#endif /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + size_t in_bytes = fsize; + size_t out_bytes = OUT_BUF_SIZE; + const void *next_in = buf; + void *next_out = s_outbuf; + memset(s_outbuf, 0, sizeof(s_outbuf)); +#ifndef MAKEFS_SUPPORT_DEFLATE_ZLIB + /* create tdefl() compatible flags (we have to compose the low-level flags ourselves, or use tdefl_create_comp_flags_from_zip_params() but that means MINIZ_NO_ZLIB_APIS can't be defined). */ + mz_uint comp_flags = s_tdefl_num_probes[MZ_MIN(10, deflate_level)] | ((deflate_level <= 3) ? TDEFL_GREEDY_PARSING_FLAG : 0); + if (!deflate_level) { + comp_flags |= TDEFL_FORCE_ALL_RAW_BLOCKS; + } + status = tdefl_init(&g_deflator, NULL, NULL, comp_flags); + if (status != TDEFL_STATUS_OKAY) { + printf("tdefl_init() failed!\n"); + exit(-1); + } + status = tdefl_compress(&g_deflator, next_in, &in_bytes, next_out, &out_bytes, TDEFL_FINISH); + if (status != TDEFL_STATUS_DONE) { + printf("deflate failed: %d\n", status); + exit(-1); + } +#else /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + status = compress2(next_out, &out_bytes, next_in, in_bytes, deflate_level); + if (status != Z_OK) { + printf("deflate failed: %d\n", status); + exit(-1); + } +#endif /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + LWIP_ASSERT("out_bytes <= COPY_BUFSIZE", out_bytes <= OUT_BUF_SIZE); + if (out_bytes < fsize) { + ret_buf = (u8_t *)malloc(out_bytes); + LWIP_ASSERT("ret_buf != NULL", ret_buf != NULL); + memcpy(ret_buf, s_outbuf, out_bytes); + { + /* sanity-check compression be inflating and comparing to the original */ + size_t dec_in_bytes = out_bytes; + size_t dec_out_bytes = OUT_BUF_SIZE; + next_out = s_checkbuf; + memset(s_checkbuf, 0, sizeof(s_checkbuf)); +#ifndef MAKEFS_SUPPORT_DEFLATE_ZLIB + tinfl_status dec_status; + tinfl_decompressor inflator; + + tinfl_init(&inflator); + dec_status = tinfl_decompress(&inflator, (const mz_uint8 *)ret_buf, &dec_in_bytes, s_checkbuf, (mz_uint8 *)next_out, &dec_out_bytes, 0); + LWIP_ASSERT("tinfl_decompress failed", dec_status == TINFL_STATUS_DONE); +#else /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + int dec_status; + dec_status = uncompress2 (s_checkbuf, &dec_out_bytes, ret_buf, &dec_in_bytes); + LWIP_ASSERT("tinfl_decompress failed", dec_status == Z_OK); +#endif /* MAKEFS_SUPPORT_DEFLATE_ZLIB */ + LWIP_ASSERT("tinfl_decompress size mismatch", fsize == dec_out_bytes); + LWIP_ASSERT("decompressed memcmp failed", !memcmp(s_checkbuf, buf, fsize)); + } + /* free original buffer, use compressed data + size */ + free(buf); + buf = ret_buf; + *file_size = out_bytes; + printf(" - deflate: %d bytes -> %d bytes (%.02f%%)" NEWLINE, (int)fsize, (int)out_bytes, (float)((out_bytes * 100.0) / fsize)); + deflatedBytesReduced += (size_t)(fsize - out_bytes); + *is_compressed = 1; + } else { + printf(" - uncompressed: (would be %d bytes larger using deflate)" NEWLINE, (int)(out_bytes - fsize)); + } + } else { + printf(" - uncompressed: (file is larger than deflate buffer)" NEWLINE); + } + } else { + printf(" - cannot be compressed" NEWLINE); + } + } +#else + LWIP_UNUSED_ARG(can_be_compressed); +#endif + fclose(inFile); + return buf; +} + +static void process_file_data(FILE *data_file, u8_t *file_data, size_t file_size) +{ + size_t written, i, src_off = 0; + size_t off = 0; + LWIP_UNUSED_ARG(written); /* for LWIP_NOASSERT */ + for (i = 0; i < file_size; i++) { + LWIP_ASSERT("file_buffer_c overflow", off < sizeof(file_buffer_c) - 5); + sprintf(&file_buffer_c[off], "0x%02x,", file_data[i]); + off += 5; + if ((++src_off % HEX_BYTES_PER_LINE) == 0) { + LWIP_ASSERT("file_buffer_c overflow", off < sizeof(file_buffer_c) - NEWLINE_LEN); + memcpy(&file_buffer_c[off], NEWLINE, NEWLINE_LEN); + off += NEWLINE_LEN; + } + if (off + 20 >= sizeof(file_buffer_c)) { + written = fwrite(file_buffer_c, 1, off, data_file); + LWIP_ASSERT("written == off", written == off); + off = 0; + } + } + written = fwrite(file_buffer_c, 1, off, data_file); + LWIP_ASSERT("written == off", written == off); +} + +static int write_checksums(FILE *struct_file, const char *varname, + u16_t hdr_len, u16_t hdr_chksum, const u8_t *file_data, size_t file_size) +{ + int chunk_size = TCP_MSS; + int offset, src_offset; + size_t len; + int i = 0; +#if LWIP_TCP_TIMESTAMPS + /* when timestamps are used, usable space is 12 bytes less per segment */ + chunk_size -= 12; +#endif + + fprintf(struct_file, "#if HTTPD_PRECALCULATED_CHECKSUM" NEWLINE); + fprintf(struct_file, "const struct fsdata_chksum chksums_%s[] = {" NEWLINE, varname); + + if (hdr_len > 0) { + /* add checksum for HTTP header */ + fprintf(struct_file, "{%d, 0x%04x, %d}," NEWLINE, 0, hdr_chksum, hdr_len); + i++; + } + src_offset = 0; + for (offset = hdr_len; ; offset += len) { + unsigned short chksum; + const void *data = (const void *)&file_data[src_offset]; + len = LWIP_MIN(chunk_size, (int)file_size - src_offset); + if (len == 0) { + break; + } + chksum = ~inet_chksum(data, (u16_t)len); + /* add checksum for data */ + fprintf(struct_file, "{%d, 0x%04x, %"SZT_F"}," NEWLINE, offset, chksum, len); + i++; + } + fprintf(struct_file, "};" NEWLINE); + fprintf(struct_file, "#endif /* HTTPD_PRECALCULATED_CHECKSUM */" NEWLINE); + return i; +} + +static int is_valid_char_for_c_var(char x) +{ + if (((x >= 'A') && (x <= 'Z')) || + ((x >= 'a') && (x <= 'z')) || + ((x >= '0') && (x <= '9')) || + (x == '_')) { + return 1; + } + return 0; +} + +static void fix_filename_for_c(char *qualifiedName, size_t max_len) +{ + struct file_entry *f; + size_t len = strlen(qualifiedName); + char *new_name = (char *)malloc(len + 2); + int filename_ok; + int cnt = 0; + size_t i; + if (len + 3 == max_len) { + printf("File name too long: \"%s\"\n", qualifiedName); + exit(-1); + } + strcpy(new_name, qualifiedName); + for (i = 0; i < len; i++) { + if (!is_valid_char_for_c_var(new_name[i])) { + new_name[i] = '_'; + } + } + do { + filename_ok = 1; + for (f = first_file; f != NULL; f = f->next) { + if (!strcmp(f->filename_c, new_name)) { + filename_ok = 0; + cnt++; + /* try next unique file name */ + sprintf(&new_name[len], "%d", cnt); + break; + } + } + } while (!filename_ok && (cnt < 999)); + if (!filename_ok) { + printf("Failed to get unique file name: \"%s\"\n", qualifiedName); + exit(-1); + } + strcpy(qualifiedName, new_name); + free(new_name); +} + +static void register_filename(const char *qualifiedName) +{ + struct file_entry *fe = (struct file_entry *)malloc(sizeof(struct file_entry)); + fe->filename_c = strdup(qualifiedName); + fe->next = NULL; + if (first_file == NULL) { + first_file = last_file = fe; + } else { + last_file->next = fe; + last_file = fe; + } +} + +static int checkSsiByFilelist(const char* filename_listfile) +{ + FILE *f = fopen(filename_listfile, "r"); + if (f != NULL) { + char *buf; + long rs; + size_t fsize, readcount; + size_t i, l, num_lines; + char **lines; + int state; + + fseek(f, 0, SEEK_END); + rs = ftell(f); + if (rs < 0) { + printf("ftell failed with %d\n", errno); + fclose(f); + return 0; + } + fsize = (size_t)rs; + fseek(f, 0, SEEK_SET); + buf = (char*)malloc(fsize); + if (!buf) { + printf("failed to allocate ssi file buffer\n"); + fclose(f); + return 0; + } + memset(buf, 0, fsize); + readcount = fread(buf, 1, fsize, f); + fclose(f); + if ((readcount > fsize) || !readcount) { + printf("failed to read data from ssi file\n"); + free(buf); + return 0; + } + + /* first pass: get the number of lines (and convert newlines to '0') */ + num_lines = 1; + for (i = 0; i < readcount; i++) { + if (buf[i] == '\n') { + num_lines++; + buf[i] = 0; + } else if (buf[i] == '\r') { + buf[i] = 0; + } + } + /* allocate the line pointer array */ + lines = (char**)malloc(sizeof(char*) * num_lines); + if (!lines) { + printf("failed to allocate ssi line buffer\n"); + free(buf); + return 0; + } + memset(lines, 0, sizeof(char*) * num_lines); + l = 0; + state = 0; + for (i = 0; i < readcount; i++) { + if (state) { + /* waiting for null */ + if (buf[i] == 0) { + state = 0; + } + } else { + /* waiting for beginning of new string */ + if (buf[i] != 0) { + LWIP_ASSERT("lines array overflow", l < num_lines); + lines[l] = &buf[i]; + state = 1; + l++; + } + } + } + LWIP_ASSERT("lines array overflow", l < num_lines); + + ssi_file_buffer = buf; + ssi_file_lines = lines; + ssi_file_num_lines = l; + } + return 0; +} + +static int is_ssi_file(const char *filename) +{ + if (supportSsi) { + if (ssi_file_buffer) { + /* compare by list */ + size_t i; + int ret = 0; + /* build up the relative path to this file */ + size_t sublen = strlen(curSubdir); + size_t freelen = sizeof(curSubdir) - sublen - 1; + strncat(curSubdir, "/", freelen); + strncat(curSubdir, filename, freelen - 1); + curSubdir[sizeof(curSubdir) - 1] = 0; + for (i = 0; i < ssi_file_num_lines; i++) { + const char *listed_file = ssi_file_lines[i]; + /* compare without the leading '/' */ + if (!strcmp(&curSubdir[1], listed_file)) { + ret = 1; + } + } + curSubdir[sublen] = 0; + return ret; +#if LWIP_HTTPD_SSI_BY_FILE_EXTENSION + } else { + /* check file extension */ + size_t loop; + for (loop = 0; loop < NUM_SHTML_EXTENSIONS; loop++) { + if (strstr(filename, g_pcSSIExtensions[loop])) { + return 1; + } + } +#endif /* LWIP_HTTPD_SSI_BY_FILE_EXTENSION */ + } + } + return 0; +} + +static int ext_in_list(const char* filename, const char *ext_list) +{ + int found = 0; + const char *ext = ext_list; + if (ext_list == NULL) { + return 0; + } + while(*ext != '\0') { + const char *comma = strchr(ext, ','); + size_t ext_size; + size_t filename_size = strlen(filename); + if (comma == NULL) { + comma = strchr(ext, '\0'); + } + ext_size = comma - ext; + if ((filename[filename_size - ext_size - 1] == '.') && + !strncmp(&filename[filename_size - ext_size], ext, ext_size)) { + found = 1; + break; + } + ext = comma + 1; + } + + return found; +} + +static int file_to_exclude(const char *filename) +{ + return (exclude_list != NULL) && ext_in_list(filename, exclude_list); +} + +static int file_can_be_compressed(const char *filename) +{ + return (ncompress_list == NULL) || !ext_in_list(filename, ncompress_list); +} + +int process_file(FILE *data_file, FILE *struct_file, const char *filename) +{ + char varname[MAX_PATH_LEN]; + int i = 0; + char qualifiedName[MAX_PATH_LEN]; + int file_size; + u16_t http_hdr_chksum = 0; + u16_t http_hdr_len = 0; + int chksum_count = 0; + u8_t flags = 0; + u8_t has_content_len; + u8_t *file_data; + int is_ssi; + int can_be_compressed; + int is_compressed = 0; + int flags_printed; + + /* create qualified name (@todo: prepend slash or not?) */ + snprintf(qualifiedName, sizeof(qualifiedName), "%s/%s", curSubdir, filename); + /* create C variable name */ + strncpy(varname, qualifiedName, sizeof(varname)); + /* convert slashes & dots to underscores */ + fix_filename_for_c(varname, MAX_PATH_LEN); + register_filename(varname); +#if ALIGN_PAYLOAD + /* to force even alignment of array, type 1 */ + fprintf(data_file, "#if FSDATA_FILE_ALIGNMENT==1" NEWLINE); + fprintf(data_file, "static const " PAYLOAD_ALIGN_TYPE " dummy_align_%s = %d;" NEWLINE, varname, payload_alingment_dummy_counter++); + fprintf(data_file, "#endif" NEWLINE); +#endif /* ALIGN_PAYLOAD */ + fprintf(data_file, "static const unsigned char FSDATA_ALIGN_PRE data_%s[] FSDATA_ALIGN_POST = {" NEWLINE, varname); + /* encode source file name (used by file system, not returned to browser) */ + fprintf(data_file, "/* %s (%"SZT_F" chars) */" NEWLINE, qualifiedName, strlen(qualifiedName) + 1); + file_put_ascii(data_file, qualifiedName, strlen(qualifiedName) + 1, &i); +#if ALIGN_PAYLOAD + /* pad to even number of bytes to assure payload is on aligned boundary */ + while (i % PAYLOAD_ALIGNMENT != 0) { + fprintf(data_file, "0x%02x,", 0); + i++; + } +#endif /* ALIGN_PAYLOAD */ + fprintf(data_file, NEWLINE); + + is_ssi = is_ssi_file(filename); + if (is_ssi) { + flags |= FS_FILE_FLAGS_SSI; + } + has_content_len = !is_ssi; + can_be_compressed = includeHttpHeader && !is_ssi && file_can_be_compressed(filename); + file_data = get_file_data(filename, &file_size, can_be_compressed, &is_compressed); + if (includeHttpHeader) { + file_write_http_header(data_file, filename, file_size, &http_hdr_len, &http_hdr_chksum, has_content_len, is_compressed); + flags |= FS_FILE_FLAGS_HEADER_INCLUDED; + if (has_content_len) { + flags |= FS_FILE_FLAGS_HEADER_PERSISTENT; + if (useHttp11) { + flags |= FS_FILE_FLAGS_HEADER_HTTPVER_1_1; + } + } + } + if (precalcChksum) { + chksum_count = write_checksums(struct_file, varname, http_hdr_len, http_hdr_chksum, file_data, file_size); + } + + /* build declaration of struct fsdata_file in temp file */ + fprintf(struct_file, "const struct fsdata_file file_%s[] = { {" NEWLINE, varname); + fprintf(struct_file, "file_%s," NEWLINE, lastFileVar); + fprintf(struct_file, "data_%s," NEWLINE, varname); + fprintf(struct_file, "data_%s + %d," NEWLINE, varname, i); + fprintf(struct_file, "sizeof(data_%s) - %d," NEWLINE, varname, i); + + flags_printed = 0; + if (flags & FS_FILE_FLAGS_HEADER_INCLUDED) { + fputs("FS_FILE_FLAGS_HEADER_INCLUDED", struct_file); + flags_printed = 1; + } + if (flags & FS_FILE_FLAGS_HEADER_PERSISTENT) { + if (flags_printed) { + fputs(" | ", struct_file); + } + fputs("FS_FILE_FLAGS_HEADER_PERSISTENT", struct_file); + flags_printed = 1; + } + if (flags & FS_FILE_FLAGS_HEADER_HTTPVER_1_1) { + if (flags_printed) { + fputs(" | ", struct_file); + } + fputs("FS_FILE_FLAGS_HEADER_HTTPVER_1_1", struct_file); + flags_printed = 1; + } + if (flags & FS_FILE_FLAGS_SSI) { + if (flags_printed) { + fputs(" | ", struct_file); + } + fputs("FS_FILE_FLAGS_SSI", struct_file); + flags_printed = 1; + } + if (!flags_printed) { + fputs("0", struct_file); + } + fputs("," NEWLINE, struct_file); + if (precalcChksum) { + fprintf(struct_file, "#if HTTPD_PRECALCULATED_CHECKSUM" NEWLINE); + fprintf(struct_file, "%d, chksums_%s," NEWLINE, chksum_count, varname); + fprintf(struct_file, "#endif /* HTTPD_PRECALCULATED_CHECKSUM */" NEWLINE); + } + fprintf(struct_file, "}};" NEWLINE NEWLINE); + strcpy(lastFileVar, varname); + + /* write actual file contents */ + i = 0; + fprintf(data_file, NEWLINE "/* raw file data (%d bytes) */" NEWLINE, file_size); + process_file_data(data_file, file_data, file_size); + fprintf(data_file, "};" NEWLINE NEWLINE); + free(file_data); + return 0; +} + +int file_write_http_header(FILE *data_file, const char *filename, int file_size, u16_t *http_hdr_len, + u16_t *http_hdr_chksum, u8_t provide_content_len, int is_compressed) +{ + int i = 0; + int response_type = HTTP_HDR_OK; + const char *file_type; + const char *cur_string; + size_t cur_len; + int written = 0; + size_t hdr_len = 0; + u16_t acc; + const char *file_ext; + size_t j; + u8_t provide_last_modified = includeLastModified; + + memset(hdr_buf, 0, sizeof(hdr_buf)); + + if (useHttp11) { + response_type = HTTP_HDR_OK_11; + } + + fprintf(data_file, NEWLINE "/* HTTP header */"); + if (strstr(filename, "404.") == filename) { + response_type = HTTP_HDR_NOT_FOUND; + if (useHttp11) { + response_type = HTTP_HDR_NOT_FOUND_11; + } + } else if (strstr(filename, "400.") == filename) { + response_type = HTTP_HDR_BAD_REQUEST; + if (useHttp11) { + response_type = HTTP_HDR_BAD_REQUEST_11; + } + } else if (strstr(filename, "501.") == filename) { + response_type = HTTP_HDR_NOT_IMPL; + if (useHttp11) { + response_type = HTTP_HDR_NOT_IMPL_11; + } + } + cur_string = g_psHTTPHeaderStrings[response_type]; + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\" (%"SZT_F" bytes) */" NEWLINE, cur_string, cur_len); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + i = 0; + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + } + + cur_string = serverID; + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\" (%"SZT_F" bytes) */" NEWLINE, cur_string, cur_len); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + i = 0; + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + } + + file_ext = filename; + if (file_ext != NULL) { + while (strstr(file_ext, ".") != NULL) { + file_ext = strstr(file_ext, "."); + file_ext++; + } + } + if ((file_ext == NULL) || (*file_ext == 0)) { + printf("failed to get extension for file \"%s\", using default.\n", filename); + file_type = HTTP_HDR_DEFAULT_TYPE; + } else { + file_type = NULL; + for (j = 0; j < NUM_HTTP_HEADERS; j++) { + if (!strcmp(file_ext, g_psHTTPHeaders[j].extension)) { + file_type = g_psHTTPHeaders[j].content_type; + break; + } + } + if (file_type == NULL) { + printf("failed to get file type for extension \"%s\", using default.\n", file_ext); + file_type = HTTP_HDR_DEFAULT_TYPE; + } + } + + /* Content-Length is used for persistent connections in HTTP/1.1 but also for + download progress in older versions + @todo: just use a big-enough buffer and let the HTTPD send spaces? */ + if (provide_content_len) { + char intbuf[MAX_PATH_LEN]; + int content_len = file_size; + memset(intbuf, 0, sizeof(intbuf)); + cur_string = g_psHTTPHeaderStrings[HTTP_HDR_CONTENT_LENGTH]; + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s%d\r\n\" (%"SZT_F"+ bytes) */" NEWLINE, cur_string, content_len, cur_len + 2); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + } + + lwip_itoa(intbuf, sizeof(intbuf), content_len); + strcat(intbuf, "\r\n"); + cur_len = strlen(intbuf); + written += file_put_ascii(data_file, intbuf, cur_len, &i); + i = 0; + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], intbuf, cur_len); + hdr_len += cur_len; + } + } + if (provide_last_modified) { + char modbuf[256]; + struct stat stat_data; + struct tm *t; + memset(modbuf, 0, sizeof(modbuf)); + memset(&stat_data, 0, sizeof(stat_data)); + cur_string = modbuf; + strcpy(modbuf, "Last-Modified: "); + if (stat(filename, &stat_data) != 0) { + printf("stat(%s) failed with error %d\n", filename, errno); + exit(-1); + } + t = gmtime(&stat_data.st_mtime); + if (t == NULL) { + printf("gmtime() failed with error %d\n", errno); + exit(-1); + } + strftime(&modbuf[15], sizeof(modbuf) - 15, "%a, %d %b %Y %H:%M:%S GMT", t); + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\"\r\n\" (%"SZT_F"+ bytes) */" NEWLINE, cur_string, cur_len + 2); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + } + + modbuf[0] = 0; + strcat(modbuf, "\r\n"); + cur_len = strlen(modbuf); + written += file_put_ascii(data_file, modbuf, cur_len, &i); + i = 0; + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], modbuf, cur_len); + hdr_len += cur_len; + } + } + + /* HTTP/1.1 implements persistent connections */ + if (useHttp11) { + if (provide_content_len) { + cur_string = g_psHTTPHeaderStrings[HTTP_HDR_CONN_KEEPALIVE]; + } else { + /* no Content-Length available, so a persistent connection is no possible + because the client does not know the data length */ + cur_string = g_psHTTPHeaderStrings[HTTP_HDR_CONN_CLOSE]; + } + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\" (%"SZT_F" bytes) */" NEWLINE, cur_string, cur_len); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + i = 0; + if (precalcChksum) { + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + } + } + +#if MAKEFS_SUPPORT_DEFLATE + if (is_compressed) { + /* tell the client about the deflate encoding */ + LWIP_ASSERT("error", deflateNonSsiFiles); + cur_string = "Content-Encoding: deflate\r\n"; + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\" (%d bytes) */" NEWLINE, cur_string, cur_len); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + i = 0; + } +#else + LWIP_UNUSED_ARG(is_compressed); +#endif + + /* write content-type, ATTENTION: this includes the double-CRLF! */ + cur_string = file_type; + cur_len = strlen(cur_string); + fprintf(data_file, NEWLINE "/* \"%s\" (%"SZT_F" bytes) */" NEWLINE, cur_string, cur_len); + written += file_put_ascii(data_file, cur_string, cur_len, &i); + i = 0; + + /* ATTENTION: headers are done now (double-CRLF has been written!) */ + + if (precalcChksum) { + LWIP_ASSERT("hdr_len + cur_len <= sizeof(hdr_buf)", hdr_len + cur_len <= sizeof(hdr_buf)); + memcpy(&hdr_buf[hdr_len], cur_string, cur_len); + hdr_len += cur_len; + + LWIP_ASSERT("strlen(hdr_buf) == hdr_len", strlen(hdr_buf) == hdr_len); + acc = ~inet_chksum(hdr_buf, (u16_t)hdr_len); + *http_hdr_len = (u16_t)hdr_len; + *http_hdr_chksum = acc; + } + + return written; +} + +int file_put_ascii(FILE *file, const char *ascii_string, int len, int *i) +{ + int x; + for (x = 0; x < len; x++) { + unsigned char cur = ascii_string[x]; + fprintf(file, "0x%02x,", cur); + if ((++(*i) % HEX_BYTES_PER_LINE) == 0) { + fprintf(file, NEWLINE); + } + } + return len; +} + +int s_put_ascii(char *buf, const char *ascii_string, int len, int *i) +{ + int x; + int idx = 0; + for (x = 0; x < len; x++) { + unsigned char cur = ascii_string[x]; + sprintf(&buf[idx], "0x%02x,", cur); + idx += 5; + if ((++(*i) % HEX_BYTES_PER_LINE) == 0) { + sprintf(&buf[idx], NEWLINE); + idx += NEWLINE_LEN; + } + } + return len; +} |