diff options
Diffstat (limited to 'thirdparty/libwebsockets/misc')
-rw-r--r-- | thirdparty/libwebsockets/misc/base64-decode.c | 242 | ||||
-rw-r--r-- | thirdparty/libwebsockets/misc/getifaddrs.c | 270 | ||||
-rw-r--r-- | thirdparty/libwebsockets/misc/getifaddrs.h | 80 | ||||
-rw-r--r-- | thirdparty/libwebsockets/misc/lejp.c | 753 | ||||
-rw-r--r-- | thirdparty/libwebsockets/misc/sha-1.c | 300 |
5 files changed, 0 insertions, 1645 deletions
diff --git a/thirdparty/libwebsockets/misc/base64-decode.c b/thirdparty/libwebsockets/misc/base64-decode.c deleted file mode 100644 index 64b84d78fa..0000000000 --- a/thirdparty/libwebsockets/misc/base64-decode.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * This code originally came from here - * - * http://base64.sourceforge.net/b64.c - * - * with the following license: - * - * LICENCE: Copyright (c) 2001 Bob Trower, Trantor Standard Systems Inc. - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated - * documentation files (the "Software"), to deal in the - * Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, - * sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall - * be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE - * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR - * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS - * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * VERSION HISTORY: - * Bob Trower 08/04/01 -- Create Version 0.00.00B - * - * I cleaned it up quite a bit to match the (linux kernel) style of the rest - * of libwebsockets; this version is under LGPL2.1 + SLE like the rest of lws - * since he explicitly allows sublicensing, but I give the URL above so you can - * get the original with Bob's super-liberal terms directly if you prefer. - */ - -#include <stdio.h> -#include <string.h> -#include "core/private.h" - -static const char encode_orig[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz0123456789+/"; -static const char encode_url[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz0123456789-_"; -static const char decode[] = "|$$$}rstuvwxyz{$$$$$$$>?@ABCDEFGHIJKLMNOPQRSTUVW" - "$$$$$$XYZ[\\]^_`abcdefghijklmnopq"; - -static int -_lws_b64_encode_string(const char *encode, const char *in, int in_len, - char *out, int out_size) -{ - unsigned char triple[3]; - int i; - int len; - int line = 0; - int done = 0; - - while (in_len) { - len = 0; - for (i = 0; i < 3; i++) { - if (in_len) { - triple[i] = *in++; - len++; - in_len--; - } else - triple[i] = 0; - } - - if (done + 4 >= out_size) - return -1; - - *out++ = encode[triple[0] >> 2]; - *out++ = encode[((triple[0] & 0x03) << 4) | - ((triple[1] & 0xf0) >> 4)]; - *out++ = (len > 1 ? encode[((triple[1] & 0x0f) << 2) | - ((triple[2] & 0xc0) >> 6)] : '='); - *out++ = (len > 2 ? encode[triple[2] & 0x3f] : '='); - - done += 4; - line += 4; - } - - if (done + 1 >= out_size) - return -1; - - *out++ = '\0'; - - return done; -} - -LWS_VISIBLE int -lws_b64_encode_string(const char *in, int in_len, char *out, int out_size) -{ - return _lws_b64_encode_string(encode_orig, in, in_len, out, out_size); -} - -LWS_VISIBLE int -lws_b64_encode_string_url(const char *in, int in_len, char *out, int out_size) -{ - return _lws_b64_encode_string(encode_url, in, in_len, out, out_size); -} - -/* - * returns length of decoded string in out, or -1 if out was too small - * according to out_size - * - * Only reads up to in_len chars, otherwise if in_len is -1 on entry reads until - * the first NUL in the input. - */ - -static int -_lws_b64_decode_string(const char *in, int in_len, char *out, int out_size) -{ - int len, i, c = 0, done = 0; - unsigned char v, quad[4]; - - while (in_len && *in) { - - len = 0; - for (i = 0; i < 4 && in_len && *in; i++) { - - v = 0; - c = 0; - while (in_len && *in && !v) { - c = v = *in++; - in_len--; - /* support the url base64 variant too */ - if (v == '-') - c = v = '+'; - if (v == '_') - c = v = '/'; - v = (v < 43 || v > 122) ? 0 : decode[v - 43]; - if (v) - v = (v == '$') ? 0 : v - 61; - } - if (c) { - len++; - if (v) - quad[i] = v - 1; - } else - quad[i] = 0; - } - - if (out_size < (done + len - 1)) - /* out buffer is too small */ - return -1; - - /* - * "The '==' sequence indicates that the last group contained - * only one byte, and '=' indicates that it contained two - * bytes." (wikipedia) - */ - - if ((!in_len || !*in) && c == '=') - len--; - - if (len >= 2) - *out++ = quad[0] << 2 | quad[1] >> 4; - if (len >= 3) - *out++ = quad[1] << 4 | quad[2] >> 2; - if (len >= 4) - *out++ = ((quad[2] << 6) & 0xc0) | quad[3]; - - done += len - 1; - } - - if (done + 1 >= out_size) - return -1; - - *out = '\0'; - - return done; -} - -LWS_VISIBLE int -lws_b64_decode_string(const char *in, char *out, int out_size) -{ - return _lws_b64_decode_string(in, -1, out, out_size); -} - -LWS_VISIBLE int -lws_b64_decode_string_len(const char *in, int in_len, char *out, int out_size) -{ - return _lws_b64_decode_string(in, in_len, out, out_size); -} - -#if 0 -int -lws_b64_selftest(void) -{ - char buf[64]; - unsigned int n, r = 0; - unsigned int test; - /* examples from https://en.wikipedia.org/wiki/Base64 */ - static const char * const plaintext[] = { - "any carnal pleasure.", - "any carnal pleasure", - "any carnal pleasur", - "any carnal pleasu", - "any carnal pleas", - "Admin:kloikloi" - }; - static const char * const coded[] = { - "YW55IGNhcm5hbCBwbGVhc3VyZS4=", - "YW55IGNhcm5hbCBwbGVhc3VyZQ==", - "YW55IGNhcm5hbCBwbGVhc3Vy", - "YW55IGNhcm5hbCBwbGVhc3U=", - "YW55IGNhcm5hbCBwbGVhcw==", - "QWRtaW46a2xvaWtsb2k=" - }; - - for (test = 0; test < sizeof plaintext / sizeof(plaintext[0]); test++) { - - buf[sizeof(buf) - 1] = '\0'; - n = lws_b64_encode_string(plaintext[test], - strlen(plaintext[test]), buf, sizeof buf); - if (n != strlen(coded[test]) || strcmp(buf, coded[test])) { - lwsl_err("Failed lws_b64 encode selftest " - "%d result '%s' %d\n", test, buf, n); - r = -1; - } - - buf[sizeof(buf) - 1] = '\0'; - n = lws_b64_decode_string(coded[test], buf, sizeof buf); - if (n != strlen(plaintext[test]) || - strcmp(buf, plaintext[test])) { - lwsl_err("Failed lws_b64 decode selftest " - "%d result '%s' / '%s', %d / %d\n", - test, buf, plaintext[test], n, strlen(plaintext[test])); - r = -1; - } - } - - lwsl_notice("Base 64 selftests passed\n"); - - return r; -} -#endif diff --git a/thirdparty/libwebsockets/misc/getifaddrs.c b/thirdparty/libwebsockets/misc/getifaddrs.c deleted file mode 100644 index 735b899f48..0000000000 --- a/thirdparty/libwebsockets/misc/getifaddrs.c +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Copyright (c) 2000 - 2001 Kungliga Tekniska H�gskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * originally downloaded from - * - * http://ftp.uninett.no/pub/OpenBSD/src/kerberosV/src/lib/roken/getifaddrs.c - */ - -#include <errno.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <net/if.h> -#include <stdlib.h> -#include <string.h> -#include <sys/ioctl.h> -#include <unistd.h> -#include "core/private.h" - -#ifdef LWS_HAVE_SYS_SOCKIO_H -#include <sys/sockio.h> -#endif - -#ifdef LWS_HAVE_NETINET_IN6_VAR_H -#include <netinet/in6_var.h> -#endif - -#ifndef max -#define max(a, b) ((a) > (b) ? (a) : (b)) -#endif - -#include "getifaddrs.h" - -static int -getifaddrs2(struct ifaddrs **ifap, int af, int siocgifconf, int siocgifflags, - size_t ifreq_sz) -{ - int ret; - int fd; - size_t buf_size; - char *buf; - struct ifconf ifconf; - char *p; - size_t sz; - struct sockaddr sa_zero; - struct ifreq *ifr; - struct ifaddrs *start, **end = &start; - - buf = NULL; - - memset(&sa_zero, 0, sizeof(sa_zero)); - fd = socket(af, SOCK_DGRAM, 0); - if (fd < 0) - return -1; - - buf_size = 8192; - for (;;) { - buf = lws_zalloc(buf_size, "getifaddrs2"); - if (buf == NULL) { - ret = ENOMEM; - goto error_out; - } - ifconf.ifc_len = buf_size; - ifconf.ifc_buf = buf; - - /* - * Solaris returns EINVAL when the buffer is too small. - */ - if (ioctl(fd, siocgifconf, &ifconf) < 0 && errno != EINVAL) { - ret = errno; - goto error_out; - } - /* - * Can the difference between a full and a overfull buf - * be determined? - */ - - if (ifconf.ifc_len < (int)buf_size) - break; - lws_free(buf); - buf_size *= 2; - } - - for (p = ifconf.ifc_buf; p < ifconf.ifc_buf + ifconf.ifc_len; p += sz) { - struct ifreq ifreq; - struct sockaddr *sa; - size_t salen; - - ifr = (struct ifreq *)p; - sa = &ifr->ifr_addr; - - sz = ifreq_sz; - salen = sizeof(struct sockaddr); -#ifdef LWS_HAVE_STRUCT_SOCKADDR_SA_LEN - salen = sa->sa_len; - sz = max(sz, sizeof(ifr->ifr_name) + sa->sa_len); -#endif -#ifdef SA_LEN - salen = SA_LEN(sa); - sz = max(sz, sizeof(ifr->ifr_name) + SA_LEN(sa)); -#endif - memset(&ifreq, 0, sizeof(ifreq)); - memcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifr->ifr_name)); - - if (ioctl(fd, siocgifflags, &ifreq) < 0) { - ret = errno; - goto error_out; - } - - *end = lws_malloc(sizeof(**end), "getifaddrs"); - - (*end)->ifa_next = NULL; - (*end)->ifa_name = strdup(ifr->ifr_name); - (*end)->ifa_flags = ifreq.ifr_flags; - (*end)->ifa_addr = lws_malloc(salen, "getifaddrs"); - memcpy((*end)->ifa_addr, sa, salen); - (*end)->ifa_netmask = NULL; - -#if 0 - /* fix these when we actually need them */ - if (ifreq.ifr_flags & IFF_BROADCAST) { - (*end)->ifa_broadaddr = - lws_malloc(sizeof(ifr->ifr_broadaddr), "getifaddrs"); - memcpy((*end)->ifa_broadaddr, &ifr->ifr_broadaddr, - sizeof(ifr->ifr_broadaddr)); - } else if (ifreq.ifr_flags & IFF_POINTOPOINT) { - (*end)->ifa_dstaddr = - lws_malloc(sizeof(ifr->ifr_dstaddr), "getifaddrs"); - memcpy((*end)->ifa_dstaddr, &ifr->ifr_dstaddr, - sizeof(ifr->ifr_dstaddr)); - } else - (*end)->ifa_dstaddr = NULL; -#else - (*end)->ifa_dstaddr = NULL; -#endif - (*end)->ifa_data = NULL; - - end = &(*end)->ifa_next; - - } - *ifap = start; - close(fd); - lws_free(buf); - return 0; - -error_out: - close(fd); - lws_free(buf); - errno = ret; - - return -1; -} - -int -getifaddrs(struct ifaddrs **ifap) -{ - int ret = -1; - errno = ENXIO; -#if defined(AF_INET6) && defined(SIOCGIF6CONF) && defined(SIOCGIF6FLAGS) - if (ret) - ret = getifaddrs2(ifap, AF_INET6, SIOCGIF6CONF, SIOCGIF6FLAGS, - sizeof(struct in6_ifreq)); -#endif -#if defined(LWS_HAVE_IPV6) && defined(SIOCGIFCONF) - if (ret) - ret = getifaddrs2(ifap, AF_INET6, SIOCGIFCONF, SIOCGIFFLAGS, - sizeof(struct ifreq)); -#endif -#if defined(AF_INET) && defined(SIOCGIFCONF) && defined(SIOCGIFFLAGS) - if (ret) - ret = getifaddrs2(ifap, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS, - sizeof(struct ifreq)); -#endif - return ret; -} - -void -freeifaddrs(struct ifaddrs *ifp) -{ - struct ifaddrs *p, *q; - - for (p = ifp; p; ) { - lws_free(p->ifa_name); - lws_free(p->ifa_addr); - lws_free(p->ifa_dstaddr); - lws_free(p->ifa_netmask); - lws_free(p->ifa_data); - q = p; - p = p->ifa_next; - lws_free(q); - } -} - -#ifdef TEST - -void -print_addr(const char *s, struct sockaddr *sa) -{ - int i; - printf(" %s=%d/", s, sa->sa_family); -#ifdef LWS_HAVE_STRUCT_SOCKADDR_SA_LEN - for (i = 0; - i < sa->sa_len - ((lws_intptr_t)sa->sa_data - (lws_intptr_t)&sa->sa_family); i++) - printf("%02x", ((unsigned char *)sa->sa_data)[i]); -#else - for (i = 0; i < sizeof(sa->sa_data); i++) - printf("%02x", ((unsigned char *)sa->sa_data)[i]); -#endif - printf("\n"); -} - -void -print_ifaddrs(struct ifaddrs *x) -{ - struct ifaddrs *p; - - for (p = x; p; p = p->ifa_next) { - printf("%s\n", p->ifa_name); - printf(" flags=%x\n", p->ifa_flags); - if (p->ifa_addr) - print_addr("addr", p->ifa_addr); - if (p->ifa_dstaddr) - print_addr("dstaddr", p->ifa_dstaddr); - if (p->ifa_netmask) - print_addr("netmask", p->ifa_netmask); - printf(" %p\n", p->ifa_data); - } -} - -int -main() -{ - struct ifaddrs *a = NULL, *b; - getifaddrs2(&a, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS, - sizeof(struct ifreq)); - print_ifaddrs(a); - printf("---\n"); - getifaddrs(&b); - print_ifaddrs(b); - return 0; -} -#endif diff --git a/thirdparty/libwebsockets/misc/getifaddrs.h b/thirdparty/libwebsockets/misc/getifaddrs.h deleted file mode 100644 index d26670c082..0000000000 --- a/thirdparty/libwebsockets/misc/getifaddrs.h +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef LWS_HAVE_GETIFADDRS -#define LWS_HAVE_GETIFADDRS 0 -#endif - -#if LWS_HAVE_GETIFADDRS -#include <sys/types.h> -#include <ifaddrs.h> -#else -#ifdef __cplusplus -extern "C" { -#endif -/* - * Copyright (c) 2000 Kungliga Tekniska H�gskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* $KTH: ifaddrs.hin,v 1.3 2000/12/11 00:01:13 assar Exp $ */ - -#ifndef ifaddrs_h_7467027A95AD4B5C8DDD40FE7D973791 -#define ifaddrs_h_7467027A95AD4B5C8DDD40FE7D973791 - -/* - * the interface is defined in terms of the fields below, and this is - * sometimes #define'd, so there seems to be no simple way of solving - * this and this seemed the best. */ - -#undef ifa_dstaddr - -struct ifaddrs { - struct ifaddrs *ifa_next; - char *ifa_name; - unsigned int ifa_flags; - struct sockaddr *ifa_addr; - struct sockaddr *ifa_netmask; - struct sockaddr *ifa_dstaddr; - void *ifa_data; -}; - -#ifndef ifa_broadaddr -#define ifa_broadaddr ifa_dstaddr -#endif - -int getifaddrs(struct ifaddrs **); - -void freeifaddrs(struct ifaddrs *); - -#endif /* __ifaddrs_h__ */ - -#ifdef __cplusplus -} -#endif -#endif diff --git a/thirdparty/libwebsockets/misc/lejp.c b/thirdparty/libwebsockets/misc/lejp.c deleted file mode 100644 index 99142b9553..0000000000 --- a/thirdparty/libwebsockets/misc/lejp.c +++ /dev/null @@ -1,753 +0,0 @@ -/* - * Lightweight Embedded JSON Parser - * - * Copyright (C) 2013-2017 Andy Green <andy@warmcat.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation: - * version 2.1 of the License. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -#include <libwebsockets.h> -#include "core/private.h" -#include <string.h> -#include <stdio.h> - -/** - * lejp_construct - prepare a struct lejp_ctx for use - * - * \param ctx: pointer to your struct lejp_ctx - * \param callback: your user callback which will received parsed tokens - * \param user: optional user data pointer untouched by lejp - * \param paths: your array of name elements you are interested in - * \param count_paths: LWS_ARRAY_SIZE() of @paths - * - * Prepares your context struct for use with lejp - */ - -void -lejp_construct(struct lejp_ctx *ctx, - signed char (*callback)(struct lejp_ctx *ctx, char reason), void *user, - const char * const *paths, unsigned char count_paths) -{ - ctx->st[0].s = 0; - ctx->st[0].p = 0; - ctx->st[0].i = 0; - ctx->st[0].b = 0; - ctx->sp = 0; - ctx->ipos = 0; - ctx->ppos = 0; - ctx->path_match = 0; - ctx->path[0] = '\0'; - ctx->callback = callback; - ctx->user = user; - ctx->paths = paths; - ctx->count_paths = count_paths; - ctx->line = 1; - ctx->callback(ctx, LEJPCB_CONSTRUCTED); -} - -/** - * lejp_destruct - retire a previously constructed struct lejp_ctx - * - * \param ctx: pointer to your struct lejp_ctx - * - * lejp does not perform any allocations, but since your user code might, this - * provides a one-time LEJPCB_DESTRUCTED callback at destruction time where - * you can clean up in your callback. - */ - -void -lejp_destruct(struct lejp_ctx *ctx) -{ - /* no allocations... just let callback know what it happening */ - ctx->callback(ctx, LEJPCB_DESTRUCTED); -} - -/** - * lejp_change_callback - switch to a different callback from now on - * - * \param ctx: pointer to your struct lejp_ctx - * \param callback: your user callback which will received parsed tokens - * - * This tells the old callback it was destroyed, in case you want to take any - * action because that callback "lost focus", then changes to the new - * callback and tells it first that it was constructed, and then started. - * - * Changing callback is a cheap and powerful trick to split out handlers - * according to information earlier in the parse. For example you may have - * a JSON pair "schema" whose value defines what can be expected for the rest - * of the JSON. Rather than having one huge callback for all cases, you can - * have an initial one looking for "schema" which then calls - * lejp_change_callback() to a handler specific for the schema. - * - * Notice that afterwards, you need to construct the context again anyway to - * parse another JSON object, and the callback is reset then to the main, - * schema-interpreting one. The construction action is very lightweight. - */ - -void -lejp_change_callback(struct lejp_ctx *ctx, - signed char (*callback)(struct lejp_ctx *ctx, char reason)) -{ - ctx->callback(ctx, LEJPCB_DESTRUCTED); - ctx->callback = callback; - ctx->callback(ctx, LEJPCB_CONSTRUCTED); - ctx->callback(ctx, LEJPCB_START); -} - -static void -lejp_check_path_match(struct lejp_ctx *ctx) -{ - const char *p, *q; - int n; - - /* we only need to check if a match is not active */ - for (n = 0; !ctx->path_match && n < ctx->count_paths; n++) { - ctx->wildcount = 0; - p = ctx->path; - q = ctx->paths[n]; - while (*p && *q) { - if (*q != '*') { - if (*p != *q) - break; - p++; - q++; - continue; - } - ctx->wild[ctx->wildcount++] = p - ctx->path; - q++; - /* - * if * has something after it, match to . - * if ends with *, eat everything. - * This implies match sequences must be ordered like - * x.*.* - * x.* - * if both options are possible - */ - while (*p && (*p != '.' || !*q)) - p++; - } - if (*p || *q) - continue; - - ctx->path_match = n + 1; - ctx->path_match_len = ctx->ppos; - return; - } - - if (!ctx->path_match) - ctx->wildcount = 0; -} - -int -lejp_get_wildcard(struct lejp_ctx *ctx, int wildcard, char *dest, int len) -{ - int n; - - if (wildcard >= ctx->wildcount || !len) - return 0; - - n = ctx->wild[wildcard]; - - while (--len && n < ctx->ppos && - (n == ctx->wild[wildcard] || ctx->path[n] != '.')) - *dest++ = ctx->path[n++]; - - *dest = '\0'; - n++; - - return n - ctx->wild[wildcard]; -} - -/** - * lejp_parse - interpret some more incoming data incrementally - * - * \param ctx: previously constructed parsing context - * \param json: char buffer with the new data to interpret - * \param len: amount of data in the buffer - * - * Because lejp is a stream parser, it incrementally parses as new data - * becomes available, maintaining all state in the context struct. So an - * incomplete JSON is a normal situation, getting you a LEJP_CONTINUE - * return, signalling there's no error but to call again with more data when - * it comes to complete the parsing. Successful parsing completes with a - * 0 or positive integer indicating how much of the last input buffer was - * unused. - */ - -int -lejp_parse(struct lejp_ctx *ctx, const unsigned char *json, int len) -{ - unsigned char c, n, s, ret = LEJP_REJECT_UNKNOWN; - static const char esc_char[] = "\"\\/bfnrt"; - static const char esc_tran[] = "\"\\/\b\f\n\r\t"; - static const char tokens[] = "rue alse ull "; - - if (!ctx->sp && !ctx->ppos) - ctx->callback(ctx, LEJPCB_START); - - while (len--) { - c = *json++; - s = ctx->st[ctx->sp].s; - - /* skip whitespace unless we should care */ - if (c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '#') { - if (c == '\n') { - ctx->line++; - ctx->st[ctx->sp].s &= ~LEJP_FLAG_WS_COMMENTLINE; - } - if (!(s & LEJP_FLAG_WS_KEEP)) { - if (c == '#') - ctx->st[ctx->sp].s |= - LEJP_FLAG_WS_COMMENTLINE; - continue; - } - } - - if (ctx->st[ctx->sp].s & LEJP_FLAG_WS_COMMENTLINE) - continue; - - switch (s) { - case LEJP_IDLE: - if (c != '{') { - ret = LEJP_REJECT_IDLE_NO_BRACE; - goto reject; - } - if (ctx->callback(ctx, LEJPCB_OBJECT_START)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - ctx->st[ctx->sp].s = LEJP_MEMBERS; - break; - case LEJP_MEMBERS: - if (c == '}') { - ctx->st[ctx->sp].s = LEJP_IDLE; - ret = LEJP_REJECT_MEMBERS_NO_CLOSE; - goto reject; - } - ctx->st[ctx->sp].s = LEJP_M_P; - goto redo_character; - case LEJP_M_P: - if (c != '\"') { - ret = LEJP_REJECT_MP_NO_OPEN_QUOTE; - goto reject; - } - /* push */ - ctx->st[ctx->sp].s = LEJP_MP_DELIM; - c = LEJP_MP_STRING; - goto add_stack_level; - - case LEJP_MP_STRING: - if (c == '\"') { - if (!ctx->sp) { /* JSON can't end on quote */ - ret = LEJP_REJECT_MP_STRING_UNDERRUN; - goto reject; - } - if (ctx->st[ctx->sp - 1].s != LEJP_MP_DELIM) { - ctx->buf[ctx->npos] = '\0'; - if (ctx->callback(ctx, - LEJPCB_VAL_STR_END) < 0) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - } - /* pop */ - ctx->sp--; - break; - } - if (c == '\\') { - ctx->st[ctx->sp].s = LEJP_MP_STRING_ESC; - break; - } - if (c < ' ') {/* "control characters" not allowed */ - ret = LEJP_REJECT_MP_ILLEGAL_CTRL; - goto reject; - } - goto emit_string_char; - - case LEJP_MP_STRING_ESC: - if (c == 'u') { - ctx->st[ctx->sp].s = LEJP_MP_STRING_ESC_U1; - ctx->uni = 0; - break; - } - for (n = 0; n < sizeof(esc_char); n++) { - if (c != esc_char[n]) - continue; - /* found it */ - c = esc_tran[n]; - ctx->st[ctx->sp].s = LEJP_MP_STRING; - goto emit_string_char; - } - ret = LEJP_REJECT_MP_STRING_ESC_ILLEGAL_ESC; - /* illegal escape char */ - goto reject; - - case LEJP_MP_STRING_ESC_U1: - case LEJP_MP_STRING_ESC_U2: - case LEJP_MP_STRING_ESC_U3: - case LEJP_MP_STRING_ESC_U4: - ctx->uni <<= 4; - if (c >= '0' && c <= '9') - ctx->uni |= c - '0'; - else - if (c >= 'a' && c <= 'f') - ctx->uni = c - 'a' + 10; - else - if (c >= 'A' && c <= 'F') - ctx->uni = c - 'A' + 10; - else { - ret = LEJP_REJECT_ILLEGAL_HEX; - goto reject; - } - ctx->st[ctx->sp].s++; - switch (s) { - case LEJP_MP_STRING_ESC_U2: - if (ctx->uni < 0x08) - break; - /* - * 0x08-0xff (0x0800 - 0xffff) - * emit 3-byte UTF-8 - */ - c = 0xe0 | ((ctx->uni >> 4) & 0xf); - goto emit_string_char; - - case LEJP_MP_STRING_ESC_U3: - if (ctx->uni >= 0x080) { - /* - * 0x080 - 0xfff (0x0800 - 0xffff) - * middle 3-byte seq - * send ....XXXXXX.. - */ - c = 0x80 | ((ctx->uni >> 2) & 0x3f); - goto emit_string_char; - } - if (ctx->uni < 0x008) - break; - /* - * 0x008 - 0x7f (0x0080 - 0x07ff) - * start 2-byte seq - */ - c = 0xc0 | (ctx->uni >> 2); - goto emit_string_char; - - case LEJP_MP_STRING_ESC_U4: - if (ctx->uni >= 0x0080) - /* end of 2 or 3-byte seq */ - c = 0x80 | (ctx->uni & 0x3f); - else - /* literal */ - c = (unsigned char)ctx->uni; - - ctx->st[ctx->sp].s = LEJP_MP_STRING; - goto emit_string_char; - default: - break; - } - break; - - case LEJP_MP_DELIM: - if (c != ':') { - ret = LEJP_REJECT_MP_DELIM_MISSING_COLON; - goto reject; - } - ctx->st[ctx->sp].s = LEJP_MP_VALUE; - ctx->path[ctx->ppos] = '\0'; - - lejp_check_path_match(ctx); - if (ctx->callback(ctx, LEJPCB_PAIR_NAME)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - break; - - case LEJP_MP_VALUE: - if (c >= '0' && c <= '9') { - ctx->npos = 0; - ctx->dcount = 0; - ctx->f = 0; - ctx->st[ctx->sp].s = LEJP_MP_VALUE_NUM_INT; - goto redo_character; - } - switch (c) { - case'\"': - /* push */ - ctx->st[ctx->sp].s = LEJP_MP_COMMA_OR_END; - c = LEJP_MP_STRING; - ctx->npos = 0; - ctx->buf[0] = '\0'; - if (ctx->callback(ctx, LEJPCB_VAL_STR_START)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - goto add_stack_level; - - case '{': - /* push */ - ctx->st[ctx->sp].s = LEJP_MP_COMMA_OR_END; - c = LEJP_MEMBERS; - lejp_check_path_match(ctx); - if (ctx->callback(ctx, LEJPCB_OBJECT_START)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - ctx->path_match = 0; - goto add_stack_level; - - case '[': - /* push */ - ctx->st[ctx->sp].s = LEJP_MP_ARRAY_END; - c = LEJP_MP_VALUE; - ctx->path[ctx->ppos++] = '['; - ctx->path[ctx->ppos++] = ']'; - ctx->path[ctx->ppos] = '\0'; - if (ctx->callback(ctx, LEJPCB_ARRAY_START)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - ctx->i[ctx->ipos++] = 0; - if (ctx->ipos > LWS_ARRAY_SIZE(ctx->i)) { - ret = LEJP_REJECT_MP_DELIM_ISTACK; - goto reject; - } - goto add_stack_level; - - case ']': - /* pop */ - if (!ctx->sp) { /* JSON can't end on ] */ - ret = LEJP_REJECT_MP_C_OR_E_UNDERF; - goto reject; - } - ctx->sp--; - if (ctx->st[ctx->sp].s != LEJP_MP_ARRAY_END) { - ret = LEJP_REJECT_MP_C_OR_E_NOTARRAY; - goto reject; - } - /* drop the path [n] bit */ - if (ctx->sp) { - ctx->ppos = ctx->st[ctx->sp - 1].p; - ctx->ipos = ctx->st[ctx->sp - 1].i; - } - ctx->path[ctx->ppos] = '\0'; - if (ctx->path_match && - ctx->ppos <= ctx->path_match_len) - /* - * we shrank the path to be - * smaller than the matching point - */ - ctx->path_match = 0; - goto array_end; - - case 't': /* true */ - ctx->uni = 0; - ctx->st[ctx->sp].s = LEJP_MP_VALUE_TOK; - break; - - case 'f': - ctx->uni = 4; - ctx->st[ctx->sp].s = LEJP_MP_VALUE_TOK; - break; - - case 'n': - ctx->uni = 4 + 5; - ctx->st[ctx->sp].s = LEJP_MP_VALUE_TOK; - break; - default: - ret = LEJP_REJECT_MP_DELIM_BAD_VALUE_START; - goto reject; - } - break; - - case LEJP_MP_VALUE_NUM_INT: - if (!ctx->npos && c == '-') { - ctx->f |= LEJP_SEEN_MINUS; - goto append_npos; - } - - if (ctx->dcount < 10 && c >= '0' && c <= '9') { - if (ctx->f & LEJP_SEEN_POINT) - ctx->f |= LEJP_SEEN_POST_POINT; - ctx->dcount++; - goto append_npos; - } - if (c == '.') { - if (!ctx->dcount || (ctx->f & LEJP_SEEN_POINT)) { - ret = LEJP_REJECT_MP_VAL_NUM_FORMAT; - goto reject; - } - ctx->f |= LEJP_SEEN_POINT; - goto append_npos; - } - /* - * before exponent, if we had . we must have had at - * least one more digit - */ - if ((ctx->f & - (LEJP_SEEN_POINT | LEJP_SEEN_POST_POINT)) == - LEJP_SEEN_POINT) { - ret = LEJP_REJECT_MP_VAL_NUM_INT_NO_FRAC; - goto reject; - } - if (c == 'e' || c == 'E') { - if (ctx->f & LEJP_SEEN_EXP) { - ret = LEJP_REJECT_MP_VAL_NUM_FORMAT; - goto reject; - } - ctx->f |= LEJP_SEEN_EXP; - ctx->st[ctx->sp].s = LEJP_MP_VALUE_NUM_EXP; - goto append_npos; - } - /* if none of the above, did we even have a number? */ - if (!ctx->dcount) { - ret = LEJP_REJECT_MP_VAL_NUM_FORMAT; - goto reject; - } - - ctx->buf[ctx->npos] = '\0'; - if (ctx->f & LEJP_SEEN_POINT) { - if (ctx->callback(ctx, LEJPCB_VAL_NUM_FLOAT)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - } else { - if (ctx->callback(ctx, LEJPCB_VAL_NUM_INT)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - } - - /* then this is the post-number character, loop */ - ctx->st[ctx->sp].s = LEJP_MP_COMMA_OR_END; - goto redo_character; - - case LEJP_MP_VALUE_NUM_EXP: - ctx->st[ctx->sp].s = LEJP_MP_VALUE_NUM_INT; - if (c >= '0' && c <= '9') - goto redo_character; - if (c == '+' || c == '-') - goto append_npos; - ret = LEJP_REJECT_MP_VAL_NUM_EXP_BAD_EXP; - goto reject; - - case LEJP_MP_VALUE_TOK: /* true, false, null */ - if (c != tokens[ctx->uni]) { - ret = LEJP_REJECT_MP_VAL_TOK_UNKNOWN; - goto reject; - } - ctx->uni++; - if (tokens[ctx->uni] != ' ') - break; - switch (ctx->uni) { - case 3: - ctx->buf[0] = '1'; - ctx->buf[1] = '\0'; - if (ctx->callback(ctx, LEJPCB_VAL_TRUE)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - break; - case 8: - ctx->buf[0] = '0'; - ctx->buf[1] = '\0'; - if (ctx->callback(ctx, LEJPCB_VAL_FALSE)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - break; - case 12: - ctx->buf[0] = '\0'; - if (ctx->callback(ctx, LEJPCB_VAL_NULL)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - break; - } - ctx->st[ctx->sp].s = LEJP_MP_COMMA_OR_END; - break; - - case LEJP_MP_COMMA_OR_END: - ctx->path[ctx->ppos] = '\0'; - if (c == ',') { - /* increment this stack level's index */ - ctx->st[ctx->sp].s = LEJP_M_P; - if (!ctx->sp) { - ctx->ppos = 0; - /* - * since we came back to root level, - * no path can still match - */ - ctx->path_match = 0; - break; - } - ctx->ppos = ctx->st[ctx->sp - 1].p; - ctx->path[ctx->ppos] = '\0'; - if (ctx->path_match && - ctx->ppos <= ctx->path_match_len) - /* - * we shrank the path to be - * smaller than the matching point - */ - ctx->path_match = 0; - - if (ctx->st[ctx->sp - 1].s != LEJP_MP_ARRAY_END) - break; - /* top level is definitely an array... */ - if (ctx->ipos) - ctx->i[ctx->ipos - 1]++; - ctx->st[ctx->sp].s = LEJP_MP_VALUE; - break; - } - if (c == ']') { - if (!ctx->sp) { /* JSON can't end on ] */ - ret = LEJP_REJECT_MP_C_OR_E_UNDERF; - goto reject; - } - /* pop */ - ctx->sp--; - if (ctx->st[ctx->sp].s != LEJP_MP_ARRAY_END) { - ret = LEJP_REJECT_MP_C_OR_E_NOTARRAY; - goto reject; - } - /* drop the path [n] bit */ - if (ctx->sp) { - ctx->ppos = ctx->st[ctx->sp - 1].p; - ctx->ipos = ctx->st[ctx->sp - 1].i; - } - ctx->path[ctx->ppos] = '\0'; - if (ctx->path_match && - ctx->ppos <= ctx->path_match_len) - /* - * we shrank the path to be - * smaller than the matching point - */ - ctx->path_match = 0; - - /* do LEJP_MP_ARRAY_END processing */ - goto redo_character; - } - if (c == '}') { - if (!ctx->sp) { - lejp_check_path_match(ctx); - if (ctx->callback(ctx, LEJPCB_OBJECT_END)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - ctx->callback(ctx, LEJPCB_COMPLETE); - /* done, return unused amount */ - return len; - } - /* pop */ - ctx->sp--; - if (ctx->sp) { - ctx->ppos = ctx->st[ctx->sp - 1].p; - ctx->ipos = ctx->st[ctx->sp - 1].i; - } - ctx->path[ctx->ppos] = '\0'; - if (ctx->path_match && - ctx->ppos <= ctx->path_match_len) - /* - * we shrank the path to be - * smaller than the matching point - */ - ctx->path_match = 0; - lejp_check_path_match(ctx); - if (ctx->callback(ctx, LEJPCB_OBJECT_END)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - break; - } - - ret = LEJP_REJECT_MP_C_OR_E_NEITHER; - goto reject; - - case LEJP_MP_ARRAY_END: -array_end: - ctx->path[ctx->ppos] = '\0'; - if (c == ',') { - /* increment this stack level's index */ - if (ctx->ipos) - ctx->i[ctx->ipos - 1]++; - ctx->st[ctx->sp].s = LEJP_MP_VALUE; - if (ctx->sp) - ctx->ppos = ctx->st[ctx->sp - 1].p; - ctx->path[ctx->ppos] = '\0'; - break; - } - if (c != ']') { - ret = LEJP_REJECT_MP_ARRAY_END_MISSING; - goto reject; - } - - ctx->st[ctx->sp].s = LEJP_MP_COMMA_OR_END; - ctx->callback(ctx, LEJPCB_ARRAY_END); - break; - } - - continue; - -emit_string_char: - if (!ctx->sp || ctx->st[ctx->sp - 1].s != LEJP_MP_DELIM) { - /* assemble the string value into chunks */ - ctx->buf[ctx->npos++] = c; - if (ctx->npos == sizeof(ctx->buf) - 1) { - if (ctx->callback(ctx, LEJPCB_VAL_STR_CHUNK)) { - ret = LEJP_REJECT_CALLBACK; - goto reject; - } - ctx->npos = 0; - } - continue; - } - /* name part of name:value pair */ - ctx->path[ctx->ppos++] = c; - continue; - -add_stack_level: - /* push on to the object stack */ - if (ctx->ppos && ctx->st[ctx->sp].s != LEJP_MP_COMMA_OR_END && - ctx->st[ctx->sp].s != LEJP_MP_ARRAY_END) - ctx->path[ctx->ppos++] = '.'; - - ctx->st[ctx->sp].p = ctx->ppos; - ctx->st[ctx->sp].i = ctx->ipos; - if (++ctx->sp == LWS_ARRAY_SIZE(ctx->st)) { - ret = LEJP_REJECT_STACK_OVERFLOW; - goto reject; - } - ctx->path[ctx->ppos] = '\0'; - ctx->st[ctx->sp].s = c; - ctx->st[ctx->sp].b = 0; - continue; - -append_npos: - if (ctx->npos >= sizeof(ctx->buf)) { - ret = LEJP_REJECT_NUM_TOO_LONG; - goto reject; - } - ctx->buf[ctx->npos++] = c; - continue; - -redo_character: - json--; - len++; - } - - return LEJP_CONTINUE; - -reject: - ctx->callback(ctx, LEJPCB_FAILED); - return ret; -} diff --git a/thirdparty/libwebsockets/misc/sha-1.c b/thirdparty/libwebsockets/misc/sha-1.c deleted file mode 100644 index 2e4db52693..0000000000 --- a/thirdparty/libwebsockets/misc/sha-1.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/* - * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) - * based on: http://csrc.nist.gov/fips/fip180-1.txt - * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org> - */ - -#include "core/private.h" - -#ifdef LWS_HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -struct sha1_ctxt { - union { - unsigned char b8[20]; - unsigned int b32[5]; - } h; - union { - unsigned char b8[8]; - uint64_t b64[1]; - } c; - union { - unsigned char b8[64]; - unsigned int b32[16]; - } m; - unsigned char count; -}; - -/* sanity check */ -#if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN) -# define unsupported 1 -#elif BYTE_ORDER != BIG_ENDIAN -# if BYTE_ORDER != LITTLE_ENDIAN -# define unsupported 1 -# endif -#endif - -#ifndef unsupported - -/* constant table */ -static const unsigned int _K[] = - { 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 }; -#define K(t) _K[(t) / 20] - -#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d))) -#define F1(b, c, d) (((b) ^ (c)) ^ (d)) -#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d))) -#define F3(b, c, d) (((b) ^ (c)) ^ (d)) - -#define S(n, x) (((x) << (n)) | ((x) >> (32 - n))) - -#define H(n) (ctxt->h.b32[(n)]) -#define COUNT (ctxt->count) -#define BCOUNT (ctxt->c.b64[0] / 8) -#define W(n) (ctxt->m.b32[(n)]) - -#define PUTBYTE(x) { \ - ctxt->m.b8[(COUNT % 64)] = (x); \ - COUNT++; \ - COUNT %= 64; \ - ctxt->c.b64[0] += 8; \ - if (COUNT % 64 == 0) \ - sha1_step(ctxt); \ - } - -#define PUTPAD(x) { \ - ctxt->m.b8[(COUNT % 64)] = (x); \ - COUNT++; \ - COUNT %= 64; \ - if (COUNT % 64 == 0) \ - sha1_step(ctxt); \ - } - - -static void -sha1_step(struct sha1_ctxt *ctxt) -{ - unsigned int a, b, c, d, e, tmp; - size_t t, s; - -#if BYTE_ORDER == LITTLE_ENDIAN - struct sha1_ctxt tctxt; - - memcpy(&tctxt.m.b8[0], &ctxt->m.b8[0], 64); - ctxt->m.b8[0] = tctxt.m.b8[3]; ctxt->m.b8[1] = tctxt.m.b8[2]; - ctxt->m.b8[2] = tctxt.m.b8[1]; ctxt->m.b8[3] = tctxt.m.b8[0]; - ctxt->m.b8[4] = tctxt.m.b8[7]; ctxt->m.b8[5] = tctxt.m.b8[6]; - ctxt->m.b8[6] = tctxt.m.b8[5]; ctxt->m.b8[7] = tctxt.m.b8[4]; - ctxt->m.b8[8] = tctxt.m.b8[11]; ctxt->m.b8[9] = tctxt.m.b8[10]; - ctxt->m.b8[10] = tctxt.m.b8[9]; ctxt->m.b8[11] = tctxt.m.b8[8]; - ctxt->m.b8[12] = tctxt.m.b8[15]; ctxt->m.b8[13] = tctxt.m.b8[14]; - ctxt->m.b8[14] = tctxt.m.b8[13]; ctxt->m.b8[15] = tctxt.m.b8[12]; - ctxt->m.b8[16] = tctxt.m.b8[19]; ctxt->m.b8[17] = tctxt.m.b8[18]; - ctxt->m.b8[18] = tctxt.m.b8[17]; ctxt->m.b8[19] = tctxt.m.b8[16]; - ctxt->m.b8[20] = tctxt.m.b8[23]; ctxt->m.b8[21] = tctxt.m.b8[22]; - ctxt->m.b8[22] = tctxt.m.b8[21]; ctxt->m.b8[23] = tctxt.m.b8[20]; - ctxt->m.b8[24] = tctxt.m.b8[27]; ctxt->m.b8[25] = tctxt.m.b8[26]; - ctxt->m.b8[26] = tctxt.m.b8[25]; ctxt->m.b8[27] = tctxt.m.b8[24]; - ctxt->m.b8[28] = tctxt.m.b8[31]; ctxt->m.b8[29] = tctxt.m.b8[30]; - ctxt->m.b8[30] = tctxt.m.b8[29]; ctxt->m.b8[31] = tctxt.m.b8[28]; - ctxt->m.b8[32] = tctxt.m.b8[35]; ctxt->m.b8[33] = tctxt.m.b8[34]; - ctxt->m.b8[34] = tctxt.m.b8[33]; ctxt->m.b8[35] = tctxt.m.b8[32]; - ctxt->m.b8[36] = tctxt.m.b8[39]; ctxt->m.b8[37] = tctxt.m.b8[38]; - ctxt->m.b8[38] = tctxt.m.b8[37]; ctxt->m.b8[39] = tctxt.m.b8[36]; - ctxt->m.b8[40] = tctxt.m.b8[43]; ctxt->m.b8[41] = tctxt.m.b8[42]; - ctxt->m.b8[42] = tctxt.m.b8[41]; ctxt->m.b8[43] = tctxt.m.b8[40]; - ctxt->m.b8[44] = tctxt.m.b8[47]; ctxt->m.b8[45] = tctxt.m.b8[46]; - ctxt->m.b8[46] = tctxt.m.b8[45]; ctxt->m.b8[47] = tctxt.m.b8[44]; - ctxt->m.b8[48] = tctxt.m.b8[51]; ctxt->m.b8[49] = tctxt.m.b8[50]; - ctxt->m.b8[50] = tctxt.m.b8[49]; ctxt->m.b8[51] = tctxt.m.b8[48]; - ctxt->m.b8[52] = tctxt.m.b8[55]; ctxt->m.b8[53] = tctxt.m.b8[54]; - ctxt->m.b8[54] = tctxt.m.b8[53]; ctxt->m.b8[55] = tctxt.m.b8[52]; - ctxt->m.b8[56] = tctxt.m.b8[59]; ctxt->m.b8[57] = tctxt.m.b8[58]; - ctxt->m.b8[58] = tctxt.m.b8[57]; ctxt->m.b8[59] = tctxt.m.b8[56]; - ctxt->m.b8[60] = tctxt.m.b8[63]; ctxt->m.b8[61] = tctxt.m.b8[62]; - ctxt->m.b8[62] = tctxt.m.b8[61]; ctxt->m.b8[63] = tctxt.m.b8[60]; -#endif - - a = H(0); b = H(1); c = H(2); d = H(3); e = H(4); - - for (t = 0; t < 20; t++) { - s = t & 0x0f; - if (t >= 16) - W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ - W((s+2) & 0x0f) ^ W(s)); - - tmp = S(5, a) + F0(b, c, d) + e + W(s) + K(t); - e = d; d = c; c = S(30, b); b = a; a = tmp; - } - for (t = 20; t < 40; t++) { - s = t & 0x0f; - W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ - W((s+2) & 0x0f) ^ W(s)); - tmp = S(5, a) + F1(b, c, d) + e + W(s) + K(t); - e = d; d = c; c = S(30, b); b = a; a = tmp; - } - for (t = 40; t < 60; t++) { - s = t & 0x0f; - W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ - W((s+2) & 0x0f) ^ W(s)); - tmp = S(5, a) + F2(b, c, d) + e + W(s) + K(t); - e = d; d = c; c = S(30, b); b = a; a = tmp; - } - for (t = 60; t < 80; t++) { - s = t & 0x0f; - W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ - W((s+2) & 0x0f) ^ W(s)); - tmp = S(5, a) + F3(b, c, d) + e + W(s) + K(t); - e = d; d = c; c = S(30, b); b = a; a = tmp; - } - - H(0) = H(0) + a; - H(1) = H(1) + b; - H(2) = H(2) + c; - H(3) = H(3) + d; - H(4) = H(4) + e; - - bzero(&ctxt->m.b8[0], 64); -} - -/*------------------------------------------------------------*/ - -static void -_sha1_init(struct sha1_ctxt *ctxt) -{ - bzero(ctxt, sizeof(struct sha1_ctxt)); - H(0) = 0x67452301; - H(1) = 0xefcdab89; - H(2) = 0x98badcfe; - H(3) = 0x10325476; - H(4) = 0xc3d2e1f0; -} - -void -sha1_pad(struct sha1_ctxt *ctxt) -{ - size_t padlen; /*pad length in bytes*/ - size_t padstart; - - PUTPAD(0x80); - - padstart = COUNT % 64; - padlen = 64 - padstart; - if (padlen < 8) { - bzero(&ctxt->m.b8[padstart], padlen); - COUNT += (unsigned char)padlen; - COUNT %= 64; - sha1_step(ctxt); - padstart = COUNT % 64; /* should be 0 */ - padlen = 64 - padstart; /* should be 64 */ - } - bzero(&ctxt->m.b8[padstart], padlen - 8); - COUNT += ((unsigned char)padlen - 8); - COUNT %= 64; -#if BYTE_ORDER == BIG_ENDIAN - PUTPAD(ctxt->c.b8[0]); PUTPAD(ctxt->c.b8[1]); - PUTPAD(ctxt->c.b8[2]); PUTPAD(ctxt->c.b8[3]); - PUTPAD(ctxt->c.b8[4]); PUTPAD(ctxt->c.b8[5]); - PUTPAD(ctxt->c.b8[6]); PUTPAD(ctxt->c.b8[7]); -#else - PUTPAD(ctxt->c.b8[7]); PUTPAD(ctxt->c.b8[6]); - PUTPAD(ctxt->c.b8[5]); PUTPAD(ctxt->c.b8[4]); - PUTPAD(ctxt->c.b8[3]); PUTPAD(ctxt->c.b8[2]); - PUTPAD(ctxt->c.b8[1]); PUTPAD(ctxt->c.b8[0]); -#endif -} - -void -sha1_loop(struct sha1_ctxt *ctxt, const unsigned char *input, size_t len) -{ - size_t gaplen; - size_t gapstart; - size_t off; - size_t copysiz; - - off = 0; - - while (off < len) { - gapstart = COUNT % 64; - gaplen = 64 - gapstart; - - copysiz = (gaplen < len - off) ? gaplen : len - off; - memcpy(&ctxt->m.b8[gapstart], &input[off], copysiz); - COUNT += (unsigned char)copysiz; - COUNT %= 64; - ctxt->c.b64[0] += copysiz * 8; - if (COUNT % 64 == 0) - sha1_step(ctxt); - off += copysiz; - } -} - -void -sha1_result(struct sha1_ctxt *ctxt, void *digest0) -{ - unsigned char *digest; - - digest = (unsigned char *)digest0; - sha1_pad(ctxt); -#if BYTE_ORDER == BIG_ENDIAN - memcpy(digest, &ctxt->h.b8[0], 20); -#else - digest[0] = ctxt->h.b8[3]; digest[1] = ctxt->h.b8[2]; - digest[2] = ctxt->h.b8[1]; digest[3] = ctxt->h.b8[0]; - digest[4] = ctxt->h.b8[7]; digest[5] = ctxt->h.b8[6]; - digest[6] = ctxt->h.b8[5]; digest[7] = ctxt->h.b8[4]; - digest[8] = ctxt->h.b8[11]; digest[9] = ctxt->h.b8[10]; - digest[10] = ctxt->h.b8[9]; digest[11] = ctxt->h.b8[8]; - digest[12] = ctxt->h.b8[15]; digest[13] = ctxt->h.b8[14]; - digest[14] = ctxt->h.b8[13]; digest[15] = ctxt->h.b8[12]; - digest[16] = ctxt->h.b8[19]; digest[17] = ctxt->h.b8[18]; - digest[18] = ctxt->h.b8[17]; digest[19] = ctxt->h.b8[16]; -#endif -} - -/* - * This should look and work like the libcrypto implementation - */ - -LWS_VISIBLE unsigned char * -lws_SHA1(const unsigned char *d, size_t n, unsigned char *md) -{ - struct sha1_ctxt ctx; - - _sha1_init(&ctx); - sha1_loop(&ctx, d, n); - sha1_result(&ctx, (void *)md); - - return md; -} - -#endif /*unsupported*/ |