it* gopherproxy-c customized	Err	codevoid.de	70
i	Err	codevoid.de	70
hgit clone git://git.codevoid.de/gopherproxy-c-sdk	URL:git://git.codevoid.de/gopherproxy-c-sdk	codevoid.de	70
1Log	/git/gopherproxy-c-sdk/log.gph	codevoid.de	70
1Files	/git/gopherproxy-c-sdk/files.gph	codevoid.de	70
1Refs	/git/gopherproxy-c-sdk/refs.gph	codevoid.de	70
1README	/git/gopherproxy-c-sdk/file/README.gph	codevoid.de	70
1LICENSE	/git/gopherproxy-c-sdk/file/LICENSE.gph	codevoid.de	70
i---	Err	codevoid.de	70
1commit 40a6ccd6cfb99c2849dff4501a54bc7752b63620	/git/gopherproxy-c-sdk/commit/40a6ccd6cfb99c2849dff4501a54bc7752b63620.gph	codevoid.de	70
hAuthor: Hiltjo Posthuma <hiltjo@codemadness.org>	URL:mailto:hiltjo@codemadness.org	codevoid.de	70
iDate:   Sun, 12 Aug 2018 18:14:09 +0200	Err	codevoid.de	70
i	Err	codevoid.de	70
iinitial repo	Err	codevoid.de	70
i	Err	codevoid.de	70
iDiffstat:	Err	codevoid.de	70
i  A .gitignore                          |       2 ++	Err	codevoid.de	70
i  A LICENSE                             |      15 +++++++++++++++	Err	codevoid.de	70
i  A Makefile                            |      17 +++++++++++++++++	Err	codevoid.de	70
i  A README                              |      17 +++++++++++++++++	Err	codevoid.de	70
i  A gopherproxy.c                       |     586 ++++++++++++++++++++++++++++++	Err	codevoid.de	70
i	Err	codevoid.de	70
i5 files changed, 637 insertions(+), 0 deletions(-)	Err	codevoid.de	70
i---	Err	codevoid.de	70
1diff --git a/.gitignore b/.gitignore	/git/gopherproxy-c-sdk/file/.gitignore.gph	codevoid.de	70
it@@ -0,0 +1,2 @@	Err	codevoid.de	70
i+gopherproxy	Err	codevoid.de	70
i+*.o	Err	codevoid.de	70
1diff --git a/LICENSE b/LICENSE	/git/gopherproxy-c-sdk/file/LICENSE.gph	codevoid.de	70
it@@ -0,0 +1,15 @@	Err	codevoid.de	70
i+ISC License	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+Copyright (c) 2018 Hiltjo Posthuma <hiltjo@codemadness.org>	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+Permission to use, copy, modify, and/or distribute this software for any	Err	codevoid.de	70
i+purpose with or without fee is hereby granted, provided that the above	Err	codevoid.de	70
i+copyright notice and this permission notice appear in all copies.	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES	Err	codevoid.de	70
i+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF	Err	codevoid.de	70
i+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR	Err	codevoid.de	70
i+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES	Err	codevoid.de	70
i+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN	Err	codevoid.de	70
i+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF	Err	codevoid.de	70
i+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.	Err	codevoid.de	70
1diff --git a/Makefile b/Makefile	/git/gopherproxy-c-sdk/file/Makefile.gph	codevoid.de	70
it@@ -0,0 +1,17 @@	Err	codevoid.de	70
i+.POSIX:	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+BIN = gopherproxy	Err	codevoid.de	70
i+OBJ = $(BIN:=.o)	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+# OpenBSD: use pledge(2).	Err	codevoid.de	70
i+#CFLAGS += -DUSE_PLEDGE	Err	codevoid.de	70
i+# build static: useful in www chroot.	Err	codevoid.de	70
i+#LDFLAGS += -static	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+all: $(BIN)	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+$(BIN): $(OBJ)	Err	codevoid.de	70
i+        $(CC) $(OBJ) $(LDFLAGS) -o $@	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+clean:	Err	codevoid.de	70
i+        rm -f $(BIN) $(OBJ)	Err	codevoid.de	70
1diff --git a/README b/README	/git/gopherproxy-c-sdk/file/README.gph	codevoid.de	70
it@@ -0,0 +1,17 @@	Err	codevoid.de	70
i+gopherproxy	Err	codevoid.de	70
i+===========	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+Build dependencies:	Err	codevoid.de	70
i+- C compiler.	Err	codevoid.de	70
i+- libc	Err	codevoid.de	70
i+- POSIX system.	Err	codevoid.de	70
i+- make (optional).	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+Features:	Err	codevoid.de	70
i+- Works in older browsers such as links, lynx, w3m, dillo, etc.	Err	codevoid.de	70
i+- No Javascript or CSS required.	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+Cons:	Err	codevoid.de	70
i+- Not all gopher types are supported.	Err	codevoid.de	70
1diff --git a/gopherproxy.c b/gopherproxy.c	/git/gopherproxy-c-sdk/file/gopherproxy.c.gph	codevoid.de	70
it@@ -0,0 +1,586 @@	Err	codevoid.de	70
i+#include <sys/socket.h>	Err	codevoid.de	70
i+#include <sys/types.h>	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+#include <ctype.h>	Err	codevoid.de	70
i+#include <errno.h>	Err	codevoid.de	70
i+#include <netdb.h>	Err	codevoid.de	70
i+#include <stdarg.h>	Err	codevoid.de	70
i+#include <stdio.h>	Err	codevoid.de	70
i+#include <stdlib.h>	Err	codevoid.de	70
i+#include <string.h>	Err	codevoid.de	70
i+#include <time.h>	Err	codevoid.de	70
i+#include <unistd.h>	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+#define MAX_RESPONSETIMEOUT 10      /* timeout in seconds */	Err	codevoid.de	70
i+#define MAX_RESPONSESIZ     4000000 /* max download size in bytes */	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+#ifndef USE_PLEDGE	Err	codevoid.de	70
i+#define pledge(a,b) 0	Err	codevoid.de	70
i+#endif	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+struct uri {	Err	codevoid.de	70
i+        char proto[16];	Err	codevoid.de	70
i+        char host[256];	Err	codevoid.de	70
i+        char port[8];	Err	codevoid.de	70
i+        char path[1024];	Err	codevoid.de	70
i+};	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+struct visited {	Err	codevoid.de	70
i+        int _type;	Err	codevoid.de	70
i+        char username[1024];	Err	codevoid.de	70
i+        char path[1024];	Err	codevoid.de	70
i+        char server[256];	Err	codevoid.de	70
i+        char port[8];	Err	codevoid.de	70
i+};	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int headerset = 0;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+void	Err	codevoid.de	70
i+die(int code, const char *fmt, ...)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        va_list ap;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (!headerset) {	Err	codevoid.de	70
i+                switch (code) {	Err	codevoid.de	70
i+                case 400:	Err	codevoid.de	70
i+                        fputs("Status: 400 Bad Request\r\n", stdout);	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                case 403:	Err	codevoid.de	70
i+                        fputs("Status: 403 Permission Denied\r\n", stdout);	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                default:	Err	codevoid.de	70
i+                        fputs("Status: 500 Internal Server Error\r\n", stdout);	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                fputs("Content-Type: text/plain; charset=utf-8\r\n\r\n", stdout);	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        va_start(ap, fmt);	Err	codevoid.de	70
i+        vfprintf(stderr, fmt, ap);	Err	codevoid.de	70
i+        va_end(ap);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        va_start(ap, fmt);	Err	codevoid.de	70
i+        vfprintf(stdout, fmt, ap);	Err	codevoid.de	70
i+        va_end(ap);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        exit(1);	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+/* Escape characters below as HTML 2.0 / XML 1.0. */	Err	codevoid.de	70
i+void	Err	codevoid.de	70
i+xmlencode(const char *s)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        for (; *s; s++) {	Err	codevoid.de	70
i+                switch(*s) {	Err	codevoid.de	70
i+                case '<':  fputs("&lt;", stdout);   break;	Err	codevoid.de	70
i+                case '>':  fputs("&gt;", stdout);   break;	Err	codevoid.de	70
i+                case '\'': fputs("&#39;", stdout);  break;	Err	codevoid.de	70
i+                case '&':  fputs("&amp;", stdout);  break;	Err	codevoid.de	70
i+                case '"':  fputs("&quot;", stdout); break;	Err	codevoid.de	70
i+                default:   putchar(*s);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+dial(const char *host, const char *port)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        struct addrinfo hints, *res, *res0;	Err	codevoid.de	70
i+        int error, save_errno, s;	Err	codevoid.de	70
i+        const char *cause = NULL;	Err	codevoid.de	70
i+        struct timeval timeout = {	Err	codevoid.de	70
i+                .tv_sec = MAX_RESPONSETIMEOUT,	Err	codevoid.de	70
i+                .tv_usec = 0,	Err	codevoid.de	70
i+        };	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        memset(&hints, 0, sizeof(hints));	Err	codevoid.de	70
i+        hints.ai_family = AF_UNSPEC;	Err	codevoid.de	70
i+        hints.ai_socktype = SOCK_STREAM;	Err	codevoid.de	70
i+        hints.ai_flags = AI_NUMERICSERV; /* numeric port only */	Err	codevoid.de	70
i+        if ((error = getaddrinfo(host, port, &hints, &res0)))	Err	codevoid.de	70
i+                die(500, "%s: %s: %s:%s", __func__, gai_strerror(error), host, port);	Err	codevoid.de	70
i+        s = -1;	Err	codevoid.de	70
i+        for (res = res0; res; res = res->ai_next) {	Err	codevoid.de	70
i+                s = socket(res->ai_family, res->ai_socktype,	Err	codevoid.de	70
i+                           res->ai_protocol);	Err	codevoid.de	70
i+                if (s == -1) {	Err	codevoid.de	70
i+                        cause = "socket";	Err	codevoid.de	70
i+                        continue;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)) == -1)	Err	codevoid.de	70
i+                        die(500, "%s: setsockopt: %s\n", __func__, strerror(errno));	Err	codevoid.de	70
i+                if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) == -1)	Err	codevoid.de	70
i+                        die(500, "%s: setsockopt: %s\n", __func__, strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (connect(s, res->ai_addr, res->ai_addrlen) == -1) {	Err	codevoid.de	70
i+                        cause = "connect";	Err	codevoid.de	70
i+                        save_errno = errno;	Err	codevoid.de	70
i+                        close(s);	Err	codevoid.de	70
i+                        errno = save_errno;	Err	codevoid.de	70
i+                        s = -1;	Err	codevoid.de	70
i+                        continue;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                break;	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        if (s == -1)	Err	codevoid.de	70
i+                die(500, "%s: %s: %s:%s\n", __func__, cause, host, port);	Err	codevoid.de	70
i+        freeaddrinfo(res0);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return s;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+isblacklisted(const char *host, const char *port, const char *path)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        char *p;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if ((p = strstr(host, ".onion")) && strlen(p) == strlen(".onion"))	Err	codevoid.de	70
i+                return 1;	Err	codevoid.de	70
i+        return 0;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+char *	Err	codevoid.de	70
i+typestr(int c)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        switch (c) {	Err	codevoid.de	70
i+        case '0': return "  TEXT";	Err	codevoid.de	70
i+        case '1': return "   DIR";	Err	codevoid.de	70
i+        case '7': return "SEARCH";	Err	codevoid.de	70
i+        case '9': return "   BIN";	Err	codevoid.de	70
i+        case 'g': return "   GIF";	Err	codevoid.de	70
i+        case 'h': return "  HTML"; /* non-standard */	Err	codevoid.de	70
i+        case 's': return "   SND"; /* non-standard */	Err	codevoid.de	70
i+        case 'A': return " AUDIO"; /* non-standard */	Err	codevoid.de	70
i+        case 'I': return "   IMG";	Err	codevoid.de	70
i+        default:  return "      ";	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+void	Err	codevoid.de	70
i+servefile(const char *server, const char *port, const char *path)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        char buf[1024];	Err	codevoid.de	70
i+        int r, w, fd;	Err	codevoid.de	70
i+        size_t totalsiz = 0;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        fd = dial(server, port);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (pledge("stdio", NULL) == -1)	Err	codevoid.de	70
i+                die(500, "pledge: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        w = dprintf(fd, "%s\r\n", path);	Err	codevoid.de	70
i+        if (w == -1)	Err	codevoid.de	70
i+                die(500, "dprintf: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        while ((r = read(fd, buf, sizeof(buf))) > 0) {	Err	codevoid.de	70
i+                /* too big total response */	Err	codevoid.de	70
i+                totalsiz += r;	Err	codevoid.de	70
i+                if (totalsiz > MAX_RESPONSESIZ) {	Err	codevoid.de	70
i+                        dprintf(1, "--- transfer too big, truncated ---\n");	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if ((w = write(1, buf, r)) == -1)	Err	codevoid.de	70
i+                        die(500, "write: %s\n", strerror(errno));	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        if (r == -1)	Err	codevoid.de	70
i+                die(500, "read: %s\n", strerror(errno));	Err	codevoid.de	70
i+        close(fd);	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+void	Err	codevoid.de	70
i+servedir(const char *server, const char *port, const char *path, const char *param)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        struct visited v;	Err	codevoid.de	70
i+        FILE *fp;	Err	codevoid.de	70
i+        char line[1024], uri[1024];	Err	codevoid.de	70
i+        size_t totalsiz, linenr;	Err	codevoid.de	70
i+        ssize_t n;	Err	codevoid.de	70
i+        int fd, r, i, len;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        fd = dial(server, port);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (pledge("stdio", NULL) == -1)	Err	codevoid.de	70
i+                die(500, "pledge: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (param[0])	Err	codevoid.de	70
i+                r = dprintf(fd, "%s\t%s\r\n", path, param);	Err	codevoid.de	70
i+        else	Err	codevoid.de	70
i+                r = dprintf(fd, "%s\r\n", path);	Err	codevoid.de	70
i+        if (r == -1)	Err	codevoid.de	70
i+                die(500, "write: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (!(fp = fdopen(fd, "rb+")))	Err	codevoid.de	70
i+                die(500, "fdopen: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        totalsiz = 0;	Err	codevoid.de	70
i+        for (linenr = 1; fgets(line, sizeof(line), fp); linenr++) {	Err	codevoid.de	70
i+                n = strcspn(line, "\n");	Err	codevoid.de	70
i+                if (line[n] != '\n')	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: line too long\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+                if (n && line[n] == '\n')	Err	codevoid.de	70
i+                        line[n] = '\0';	Err	codevoid.de	70
i+                if (n && line[n - 1] == '\r')	Err	codevoid.de	70
i+                        line[--n] = '\0';	Err	codevoid.de	70
i+                if (n == 1 && line[0] == '.')	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* too big total response */	Err	codevoid.de	70
i+                totalsiz += n;	Err	codevoid.de	70
i+                if (totalsiz > MAX_RESPONSESIZ) {	Err	codevoid.de	70
i+                        dprintf(1, "--- transfer too big, truncated ---\n");	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                memset(&v, 0, sizeof(v));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                v._type = line[0];	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* "username" */	Err	codevoid.de	70
i+                i = 1;	Err	codevoid.de	70
i+                len = strcspn(line + i, "\t");	Err	codevoid.de	70
i+                if (len + 1 < sizeof(v.username)) {	Err	codevoid.de	70
i+                        memcpy(v.username, line + i, len);	Err	codevoid.de	70
i+                        v.username[len] = '\0';	Err	codevoid.de	70
i+                } else  {	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: username field too long\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                if (line[i + len] == '\t')	Err	codevoid.de	70
i+                        i += len + 1;	Err	codevoid.de	70
i+                else	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: invalid line / field count\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* selector / path */	Err	codevoid.de	70
i+                len = strcspn(line + i, "\t");	Err	codevoid.de	70
i+                if (len + 1 < sizeof(v.path)) {	Err	codevoid.de	70
i+                        memcpy(v.path, line + i, len);	Err	codevoid.de	70
i+                        v.path[len] = '\0';	Err	codevoid.de	70
i+                } else {	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: path field too long\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                if (line[i + len] == '\t')	Err	codevoid.de	70
i+                        i += len + 1;	Err	codevoid.de	70
i+                else	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: invalid line / field count\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* server */	Err	codevoid.de	70
i+                len = strcspn(line + i, "\t");	Err	codevoid.de	70
i+                if (len + 1 < sizeof(v.server)) {	Err	codevoid.de	70
i+                        memcpy(v.server, line + i, len);	Err	codevoid.de	70
i+                        v.server[len] = '\0';	Err	codevoid.de	70
i+                } else {	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: server field too long\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                if (line[i + len] == '\t')	Err	codevoid.de	70
i+                        i += len + 1;	Err	codevoid.de	70
i+                else	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: invalid line / field count\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* port */	Err	codevoid.de	70
i+                len = strcspn(line + i, "\t");	Err	codevoid.de	70
i+                if (len + 1 < sizeof(v.port)) {	Err	codevoid.de	70
i+                        memcpy(v.port, line + i, len);	Err	codevoid.de	70
i+                        v.port[len] = '\0';	Err	codevoid.de	70
i+                } else {	Err	codevoid.de	70
i+                        die(500, "%s:%s %s:%d: port field too long\n",	Err	codevoid.de	70
i+                                server, port, path, linenr);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                uri[0] = '\0';	Err	codevoid.de	70
i+                switch (line[0]) {	Err	codevoid.de	70
i+                case '7':	Err	codevoid.de	70
i+                        snprintf(uri, sizeof(uri), "gopher://%s:%s/%c%s",	Err	codevoid.de	70
i+                                v.server, v.port, v._type, v.path);	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                case 'h':	Err	codevoid.de	70
i+                        if (!strncmp(v.path, "URL:", sizeof("URL:") - 1))	Err	codevoid.de	70
i+                                snprintf(uri, sizeof(uri), "%s", v.path + sizeof("URL:") - 1);	Err	codevoid.de	70
i+                        else	Err	codevoid.de	70
i+                                snprintf(uri, sizeof(uri), "gopher://%s:%s/%c%s",	Err	codevoid.de	70
i+                                        v.server, v.port, v._type, v.path);	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                case 'i': /* info */	Err	codevoid.de	70
i+                case '3': /* error */	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                default:	Err	codevoid.de	70
i+                        snprintf(uri, sizeof(uri), "?q=gopher://%s:%s/%c%s",	Err	codevoid.de	70
i+                                v.server, v.port, v._type, v.path);	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                /* search */	Err	codevoid.de	70
i+                if (v._type == '7') {	Err	codevoid.de	70
i+                        fputs("</pre><form method=\"get\" action=\"\"><pre>", stdout);	Err	codevoid.de	70
i+                        fputs(typestr(v._type), stdout);	Err	codevoid.de	70
i+                        fputs(" <input type=\"hidden\" name=\"q\" value=\"", stdout);	Err	codevoid.de	70
i+                        xmlencode(uri);	Err	codevoid.de	70
i+                        fputs("\" /><input type=\"search\" placeholder=\"", stdout);	Err	codevoid.de	70
i+                        xmlencode(v.username);	Err	codevoid.de	70
i+                        fputs(	Err	codevoid.de	70
i+                                "\" name=\"p\" value=\"\" size=\"72\" />"	Err	codevoid.de	70
i+                                "<input type=\"submit\" value=\"Search\" /></pre></form><pre>", stdout);	Err	codevoid.de	70
i+                } else {	Err	codevoid.de	70
i+                        fputs(typestr(v._type), stdout);	Err	codevoid.de	70
i+                        if (uri[0]) {	Err	codevoid.de	70
i+                                fputs(" <a href=\"", stdout);	Err	codevoid.de	70
i+                                xmlencode(uri);	Err	codevoid.de	70
i+                                fputs("\">", stdout);	Err	codevoid.de	70
i+                                xmlencode(v.username);	Err	codevoid.de	70
i+                                fputs("</a>", stdout);	Err	codevoid.de	70
i+                        } else {	Err	codevoid.de	70
i+                                fputs(" ", stdout);	Err	codevoid.de	70
i+                                xmlencode(v.username);	Err	codevoid.de	70
i+                        }	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+                putchar('\n');	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        if (ferror(fp))	Err	codevoid.de	70
i+                die(500, "fgets: %s\n", strerror(errno));	Err	codevoid.de	70
i+        fclose(fp);	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+hexdigit(int c)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        if (c >= '0' && c <= '9')	Err	codevoid.de	70
i+                return c - '0';	Err	codevoid.de	70
i+        else if (c >= 'A' && c <= 'F')	Err	codevoid.de	70
i+                return c - 'A' + 10;	Err	codevoid.de	70
i+        else if (c >= 'a' && c <= 'f')	Err	codevoid.de	70
i+                return c - 'a' + 10;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return 0;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+/* decode until NUL separator or end of "key". */	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+decodeparam(char *buf, size_t bufsiz, const char *s)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        size_t i;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (!bufsiz)	Err	codevoid.de	70
i+                return -1;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        for (i = 0; *s && *s != '&'; s++) {	Err	codevoid.de	70
i+                if (i + 3 >= bufsiz)	Err	codevoid.de	70
i+                        return -1;	Err	codevoid.de	70
i+                switch (*s) {	Err	codevoid.de	70
i+                case '%':	Err	codevoid.de	70
i+                        if (!isxdigit(*(s+1)) || !isxdigit(*(s+2)))	Err	codevoid.de	70
i+                                return -1;	Err	codevoid.de	70
i+                        buf[i++] = hexdigit(*(s+1)) * 16 + hexdigit(*(s+2));	Err	codevoid.de	70
i+                        s += 2;	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                case '+':	Err	codevoid.de	70
i+                        buf[i++] = ' ';	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                default:	Err	codevoid.de	70
i+                        buf[i++] = *s;	Err	codevoid.de	70
i+                        break;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        buf[i] = '\0';	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return i;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+char *	Err	codevoid.de	70
i+getparam(const char *query, const char *s)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        const char *p;	Err	codevoid.de	70
i+        size_t len;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        len = strlen(s);	Err	codevoid.de	70
i+        for (p = query; (p = strstr(p, s)); p += len) {	Err	codevoid.de	70
i+                if (p[len] == '=' && (p == query || p[-1] == '&'))	Err	codevoid.de	70
i+                        return (char *)p + len + 1;	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return NULL;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+checkparam(const char *s)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        for (; *s; s++)	Err	codevoid.de	70
i+                if (iscntrl(*s))	Err	codevoid.de	70
i+                        return 0;	Err	codevoid.de	70
i+        return 1;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+parseuri(const char *str, struct uri *u)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        const char *s, *e;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        memset(u, 0, sizeof(struct uri));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        /* protocol part */	Err	codevoid.de	70
i+        for (e = s = str; *e && (isalpha((int)*e) || isdigit((int)*e) ||	Err	codevoid.de	70
i+             *e == '+' || *e == '-' || *e == '.'); e++)	Err	codevoid.de	70
i+                ;	Err	codevoid.de	70
i+        if (strncmp(e, "://", sizeof("://") - 1))	Err	codevoid.de	70
i+                return 0;	Err	codevoid.de	70
i+        if (e - s + 1 >= sizeof(u->proto))	Err	codevoid.de	70
i+                return 0;	Err	codevoid.de	70
i+        memcpy(u->proto, s, e - s);	Err	codevoid.de	70
i+        u->proto[e - s] = '\0';	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        e += sizeof("://") - 1;	Err	codevoid.de	70
i+        s = e;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        e = &e[strcspn(s, ":/")];	Err	codevoid.de	70
i+        if (e - s + 1 >= sizeof(u->host))	Err	codevoid.de	70
i+                return 0;	Err	codevoid.de	70
i+        memcpy(u->host, s, e - s);	Err	codevoid.de	70
i+        u->host[e - s] = '\0';	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (*e == ':') {	Err	codevoid.de	70
i+                s = ++e;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                e = &s[strcspn(s, "/")];	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (e - s + 1 >= sizeof(u->port))	Err	codevoid.de	70
i+                        return 0;	Err	codevoid.de	70
i+                memcpy(u->port, s, e - s);	Err	codevoid.de	70
i+                u->port[e - s] = '\0';	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        if (*e && *e != '/')	Err	codevoid.de	70
i+                return 0; /* invalid path */	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        s = e;	Err	codevoid.de	70
i+        e = s + strlen(s);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (e - s + 1 >= sizeof(u->path))	Err	codevoid.de	70
i+                return 0;	Err	codevoid.de	70
i+        memcpy(u->path, s, e - s);	Err	codevoid.de	70
i+        u->path[e - s] = '\0';	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return 1;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+int	Err	codevoid.de	70
i+main(void)	Err	codevoid.de	70
i+{	Err	codevoid.de	70
i+        struct uri u;	Err	codevoid.de	70
i+        const char *p, *qs, *path;	Err	codevoid.de	70
i+        char query[1024] = "", param[1024] = "", uri[1024] = "";	Err	codevoid.de	70
i+        int _type = '1';	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (pledge("stdio inet dns", NULL) == -1)	Err	codevoid.de	70
i+                die(500, "pledge: %s\n", strerror(errno));	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (!(qs = getenv("QUERY_STRING")))	Err	codevoid.de	70
i+                qs = "";	Err	codevoid.de	70
i+        if ((p = getparam(qs, "q"))) {	Err	codevoid.de	70
i+                if (decodeparam(query, sizeof(query), p) == -1 ||	Err	codevoid.de	70
i+                    !checkparam(query))	Err	codevoid.de	70
i+                        die(400, "Invalid parameter: q\n");	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+        if ((p = getparam(qs, "p"))) {	Err	codevoid.de	70
i+                if (decodeparam(param, sizeof(param), p) == -1 ||	Err	codevoid.de	70
i+                    !checkparam(param))	Err	codevoid.de	70
i+                        die(400, "Invalid parameter: p\n");	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        path = "/";	Err	codevoid.de	70
i+        if (query[0]) {	Err	codevoid.de	70
i+                if (strncmp(query, "gopher://", sizeof("gopher://") - 1))	Err	codevoid.de	70
i+                        snprintf(uri, sizeof(uri), "gopher://%s", query);	Err	codevoid.de	70
i+                else	Err	codevoid.de	70
i+                        snprintf(uri, sizeof(uri), "%s", query);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (!parseuri(uri, &u))	Err	codevoid.de	70
i+                        die(400, "Invalid uri: %s\n", uri);	Err	codevoid.de	70
i+                if (u.host[0] == '\0')	Err	codevoid.de	70
i+                        die(400, "Invalid hostname\n");	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (u.path[0] == '\0')	Err	codevoid.de	70
i+                        memcpy(u.path, "/", 2);	Err	codevoid.de	70
i+                if (u.port[0] == '\0')	Err	codevoid.de	70
i+                        memcpy(u.port, "70", 3);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                path = u.path;	Err	codevoid.de	70
i+                if (path[0] == '/') {	Err	codevoid.de	70
i+                        if (path[1]) {	Err	codevoid.de	70
i+                                _type = path[1];	Err	codevoid.de	70
i+                                path += 2;	Err	codevoid.de	70
i+                        }	Err	codevoid.de	70
i+                } else {	Err	codevoid.de	70
i+                        path = "/";	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                if (isblacklisted(u.host, u.port, path))	Err	codevoid.de	70
i+                        die(403, "%s:%s %s: blacklisted\n", u.host, u.port, path);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+                headerset = 1;	Err	codevoid.de	70
i+                switch (_type) {	Err	codevoid.de	70
i+                case '0':	Err	codevoid.de	70
i+                        printf("Content-Type: text/plain; charset=utf-8\r\n\r\n");	Err	codevoid.de	70
i+                        fflush(stdout);	Err	codevoid.de	70
i+                        servefile(u.host, u.port, path);	Err	codevoid.de	70
i+                        return 0;	Err	codevoid.de	70
i+                case '1':	Err	codevoid.de	70
i+                case '7':	Err	codevoid.de	70
i+                        break; /* handled below */	Err	codevoid.de	70
i+                case '9':	Err	codevoid.de	70
i+                        printf("Content-Type: application/octet-stream\r\n");	Err	codevoid.de	70
i+                        if ((p = strrchr(path, '/')))	Err	codevoid.de	70
i+                                printf("Content-Disposition: attachment; filename=\"%s\"\r\n", p + 1);	Err	codevoid.de	70
i+                        printf("\r\n");	Err	codevoid.de	70
i+                        fflush(stdout);	Err	codevoid.de	70
i+                        servefile(u.host, u.port, path);	Err	codevoid.de	70
i+                        return 0;	Err	codevoid.de	70
i+                default:	Err	codevoid.de	70
i+                        write(1, "\r\n", 2);	Err	codevoid.de	70
i+                        servefile(u.host, u.port, path);	Err	codevoid.de	70
i+                        return 0;	Err	codevoid.de	70
i+                }	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        fputs("Content-Type: text/html; charset=utf-8\r\n\r\n", stdout);	Err	codevoid.de	70
i+        headerset = 1;	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        fputs(	Err	codevoid.de	70
i+                "<!DOCTYPE html>\n"	Err	codevoid.de	70
i+                "<html dir=\"ltr\">\n"	Err	codevoid.de	70
i+                "<head>\n"	Err	codevoid.de	70
i+                "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"	Err	codevoid.de	70
i+                "<title>", stdout);	Err	codevoid.de	70
i+        xmlencode(query);	Err	codevoid.de	70
i+        if (query[0])	Err	codevoid.de	70
i+                fputs(" - ", stdout);	Err	codevoid.de	70
i+        fputs(	Err	codevoid.de	70
i+                "Gopher HTTP proxy</title>\n"	Err	codevoid.de	70
i+                "<style type=\"text/css\">a { text-decoration: none; } "	Err	codevoid.de	70
i+                "a:hover { text-decoration: underline; }</style>\n"	Err	codevoid.de	70
i+                "<meta name=\"robots\" content=\"noindex, nofollow\" />\n"	Err	codevoid.de	70
i+                "<meta name=\"robots\" content=\"none\" />\n"	Err	codevoid.de	70
i+                "<meta content=\"width=device-width\" name=\"viewport\" />\n"	Err	codevoid.de	70
i+                "</head>\n"	Err	codevoid.de	70
i+                "<body>\n"	Err	codevoid.de	70
i+                "<form method=\"get\" action=\"\"><pre>"	Err	codevoid.de	70
i+                "  URI: <input type=\"search\" name=\"q\" value=\"", stdout);	Err	codevoid.de	70
i+        xmlencode(uri);	Err	codevoid.de	70
i+        fputs(	Err	codevoid.de	70
i+                "\" placeholder=\"URI...\" size=\"72\" autofocus=\"autofocus\" class=\"search\" />"	Err	codevoid.de	70
i+                "<input type=\"submit\" value=\"Go for it!\" /></pre>"	Err	codevoid.de	70
i+                "</form><pre>\n", stdout);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        if (query[0]) {	Err	codevoid.de	70
i+                if (_type != '7')	Err	codevoid.de	70
i+                        param[0] = '\0';	Err	codevoid.de	70
i+                servedir(u.host, u.port, path, param);	Err	codevoid.de	70
i+        }	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        fputs("</pre>\n</body>\n</html>\n", stdout);	Err	codevoid.de	70
i+	Err	codevoid.de	70
i+        return 0;	Err	codevoid.de	70
i+}	Err	codevoid.de	70
.