version 1.60, 2014/07/09 17:03:07 |
version 1.130, 2016/04/28 17:59:14 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2014 Ingo Schwarze <schwarze@usta.de> |
* Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@usta.de> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <ctype.h> |
#include <ctype.h> |
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#include <err.h> |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
|
#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
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#include "mdoc.h" |
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#include "man.h" |
#include "main.h" |
#include "main.h" |
#include "manpath.h" |
#include "manconf.h" |
#include "mansearch.h" |
#include "mansearch.h" |
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#include "cgi.h" |
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enum page { |
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PAGE_INDEX, |
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PAGE_SEARCH, |
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PAGE_SHOW, |
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PAGE__MAX |
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}; |
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/* |
/* |
* A query as passed to the search function. |
* A query as passed to the search function. |
*/ |
*/ |
struct query { |
struct query { |
const char *manpath; /* desired manual directory */ |
char *manpath; /* desired manual directory */ |
const char *arch; /* architecture */ |
char *arch; /* architecture */ |
const char *sec; /* manual section */ |
char *sec; /* manual section */ |
const char *expr; /* unparsed expression string */ |
char *query; /* unparsed query expression */ |
int legacy; /* whether legacy mode */ |
int equal; /* match whole names, not substrings */ |
}; |
}; |
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struct req { |
struct req { |
struct query q; |
struct query q; |
char **p; /* array of available manpaths */ |
char **p; /* array of available manpaths */ |
size_t psz; /* number of available manpaths */ |
size_t psz; /* number of available manpaths */ |
enum page page; |
int isquery; /* QUERY_STRING used, not PATH_INFO */ |
}; |
}; |
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static void catman(const struct req *, const char *); |
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static int cmp(const void *, const void *); |
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static void format(const struct req *, const char *); |
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static void html_print(const char *); |
static void html_print(const char *); |
static void html_printquery(const struct req *); |
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static void html_putchar(char); |
static void html_putchar(char); |
static int http_decode(char *); |
static int http_decode(char *); |
static void http_parse(struct req *, char *); |
static void parse_manpath_conf(struct req *); |
static void http_print(const char *); |
static void parse_path_info(struct req *req, const char *path); |
static void http_putchar(char); |
static void parse_query_string(struct req *, const char *); |
static void http_printquery(const struct req *); |
static void pg_error_badrequest(const char *); |
static void pathgen(struct req *); |
static void pg_error_internal(void); |
static void pg_index(const struct req *, char *); |
static void pg_index(const struct req *); |
static void pg_search(const struct req *, char *); |
static void pg_noresult(const struct req *, const char *); |
static void pg_show(const struct req *, char *); |
static void pg_search(const struct req *); |
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static void pg_searchres(const struct req *, |
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struct manpage *, size_t); |
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static void pg_show(struct req *, const char *); |
static void resp_begin_html(int, const char *); |
static void resp_begin_html(int, const char *); |
static void resp_begin_http(int, const char *); |
static void resp_begin_http(int, const char *); |
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static void resp_catman(const struct req *, const char *); |
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static void resp_copy(const char *); |
static void resp_end_html(void); |
static void resp_end_html(void); |
static void resp_error_badrequest(const char *); |
static void resp_format(const struct req *, const char *); |
static void resp_error_internal(void); |
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static void resp_error_notfound(const char *); |
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static void resp_index(const struct req *); |
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static void resp_noresult(const struct req *, |
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const char *); |
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static void resp_search(const struct req *, |
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struct manpage *, size_t); |
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static void resp_searchform(const struct req *); |
static void resp_searchform(const struct req *); |
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static void resp_show(const struct req *, const char *); |
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static void set_query_attr(char **, char **); |
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static int validate_filename(const char *); |
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static int validate_manpath(const struct req *, const char *); |
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static int validate_urifrag(const char *); |
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static const char *scriptname; /* CGI script name */ |
static const char *scriptname = SCRIPT_NAME; |
static const char *mandir; /* contains all manpath directories */ |
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static const char *cssdir; /* css directory */ |
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static const char *httphost; /* hostname used in the URIs */ |
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static const char * const pages[PAGE__MAX] = { |
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
"index", /* PAGE_INDEX */ |
static const char *const sec_numbers[] = { |
"search", /* PAGE_SEARCH */ |
"0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9" |
"show", /* PAGE_SHOW */ |
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}; |
}; |
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static const char *const sec_names[] = { |
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"All Sections", |
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"1 - General Commands", |
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"2 - System Calls", |
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"3 - Library Functions", |
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"3p - Perl Library", |
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"4 - Device Drivers", |
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"5 - File Formats", |
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"6 - Games", |
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"7 - Miscellaneous Information", |
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"8 - System Manager\'s Manual", |
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"9 - Kernel Developer\'s Manual" |
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}; |
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static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
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static const char *const arch_names[] = { |
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"amd64", "alpha", "armish", "armv7", |
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"hppa", "hppa64", "i386", "landisk", |
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"loongson", "luna88k", "macppc", "mips64", |
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"octeon", "sgi", "socppc", "sparc", |
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"sparc64", "zaurus", |
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"amiga", "arc", "arm32", "atari", |
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"aviion", "beagle", "cats", "hp300", |
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"ia64", "mac68k", "mvme68k", "mvme88k", |
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"mvmeppc", "palm", "pc532", "pegasos", |
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"pmax", "powerpc", "solbourne", "sun3", |
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"vax", "wgrisc", "x68k" |
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}; |
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static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
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/* |
/* |
* Print a character, escaping HTML along the way. |
* Print a character, escaping HTML along the way. |
* This will pass non-ASCII straight to output: be warned! |
* This will pass non-ASCII straight to output: be warned! |
Line 125 html_putchar(char c) |
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Line 149 html_putchar(char c) |
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} |
} |
} |
} |
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/* |
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* Call through to html_putchar(). |
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* Accepts NULL strings. |
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*/ |
static void |
static void |
http_printquery(const struct req *req) |
html_print(const char *p) |
{ |
{ |
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if (NULL != req->q.manpath) { |
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printf("&manpath="); |
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http_print(req->q.manpath); |
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} |
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if (NULL != req->q.sec) { |
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printf("&sec="); |
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http_print(req->q.sec); |
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} |
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if (NULL != req->q.arch) { |
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printf("&arch="); |
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http_print(req->q.arch); |
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} |
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if (NULL != req->q.expr) { |
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printf("&expr="); |
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http_print(req->q.expr ? req->q.expr : ""); |
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} |
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} |
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static void |
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html_printquery(const struct req *req) |
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{ |
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if (NULL != req->q.manpath) { |
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printf("&manpath="); |
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html_print(req->q.manpath); |
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} |
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if (NULL != req->q.sec) { |
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printf("&sec="); |
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html_print(req->q.sec); |
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} |
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if (NULL != req->q.arch) { |
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printf("&arch="); |
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html_print(req->q.arch); |
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} |
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if (NULL != req->q.expr) { |
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printf("&expr="); |
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html_print(req->q.expr ? req->q.expr : ""); |
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} |
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} |
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static void |
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http_print(const char *p) |
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{ |
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if (NULL == p) |
if (NULL == p) |
return; |
return; |
while ('\0' != *p) |
while ('\0' != *p) |
http_putchar(*p++); |
html_putchar(*p++); |
} |
} |
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/* |
/* |
* Call through to html_putchar(). |
* Transfer the responsibility for the allocated string *val |
* Accepts NULL strings. |
* to the query structure. |
*/ |
*/ |
static void |
static void |
html_print(const char *p) |
set_query_attr(char **attr, char **val) |
{ |
{ |
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if (NULL == p) |
free(*attr); |
return; |
if (**val == '\0') { |
while ('\0' != *p) |
*attr = NULL; |
html_putchar(*p++); |
free(*val); |
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} else |
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*attr = *val; |
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*val = NULL; |
} |
} |
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/* |
/* |
* Parse out key-value pairs from an HTTP request variable. |
* Parse the QUERY_STRING for key-value pairs |
* This can be either a cookie or a POST/GET string, although man.cgi |
* and store the values into the query structure. |
* uses only GET for simplicity. |
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*/ |
*/ |
static void |
static void |
http_parse(struct req *req, char *p) |
parse_query_string(struct req *req, const char *qs) |
{ |
{ |
char *key, *val; |
char *key, *val; |
int legacy; |
size_t keysz, valsz; |
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memset(&req->q, 0, sizeof(struct query)); |
req->isquery = 1; |
req->q.manpath = req->p[0]; |
req->q.manpath = NULL; |
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req->q.arch = NULL; |
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req->q.sec = NULL; |
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req->q.query = NULL; |
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req->q.equal = 1; |
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legacy = -1; |
key = val = NULL; |
while ('\0' != *p) { |
while (*qs != '\0') { |
key = p; |
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val = NULL; |
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p += (int)strcspn(p, ";&"); |
/* Parse one key. */ |
if ('\0' != *p) |
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*p++ = '\0'; |
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if (NULL != (val = strchr(key, '='))) |
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*val++ = '\0'; |
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if ('\0' == *key || NULL == val || '\0' == *val) |
keysz = strcspn(qs, "=;&"); |
continue; |
key = mandoc_strndup(qs, keysz); |
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qs += keysz; |
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if (*qs != '=') |
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goto next; |
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/* Just abort handling. */ |
/* Parse one value. */ |
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if ( ! http_decode(key)) |
valsz = strcspn(++qs, ";&"); |
break; |
val = mandoc_strndup(qs, valsz); |
if (NULL != val && ! http_decode(val)) |
qs += valsz; |
break; |
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if (0 == strcmp(key, "expr")) |
/* Decode and catch encoding errors. */ |
req->q.expr = val; |
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else if (0 == strcmp(key, "query")) |
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req->q.expr = val; |
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else if (0 == strcmp(key, "sec")) |
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req->q.sec = val; |
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else if (0 == strcmp(key, "sektion")) |
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req->q.sec = val; |
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else if (0 == strcmp(key, "arch")) |
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req->q.arch = val; |
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else if (0 == strcmp(key, "manpath")) |
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req->q.manpath = val; |
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else if (0 == strcmp(key, "apropos")) |
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legacy = 0 == strcmp(val, "0"); |
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} |
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/* Test for old man.cgi compatibility mode. */ |
if ( ! (http_decode(key) && http_decode(val))) |
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goto next; |
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req->q.legacy = legacy > 0; |
/* Handle key-value pairs. */ |
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/* |
if ( ! strcmp(key, "query")) |
* Section "0" means no section when in legacy mode. |
set_query_attr(&req->q.query, &val); |
* For some man.cgi scripts, "default" arch is none. |
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*/ |
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if (req->q.legacy && NULL != req->q.sec) |
else if ( ! strcmp(key, "apropos")) |
if (0 == strcmp(req->q.sec, "0")) |
req->q.equal = !strcmp(val, "0"); |
req->q.sec = NULL; |
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if (req->q.legacy && NULL != req->q.arch) |
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if (0 == strcmp(req->q.arch, "default")) |
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req->q.arch = NULL; |
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} |
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static void |
else if ( ! strcmp(key, "manpath")) { |
http_putchar(char c) |
#ifdef COMPAT_OLDURI |
{ |
if ( ! strncmp(val, "OpenBSD ", 8)) { |
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val[7] = '-'; |
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if ('C' == val[8]) |
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val[8] = 'c'; |
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} |
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#endif |
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set_query_attr(&req->q.manpath, &val); |
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} |
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if (isalnum((unsigned char)c)) { |
else if ( ! (strcmp(key, "sec") |
putchar((unsigned char)c); |
#ifdef COMPAT_OLDURI |
return; |
&& strcmp(key, "sektion") |
} else if (' ' == c) { |
#endif |
putchar('+'); |
)) { |
return; |
if ( ! strcmp(val, "0")) |
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*val = '\0'; |
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set_query_attr(&req->q.sec, &val); |
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} |
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else if ( ! strcmp(key, "arch")) { |
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if ( ! strcmp(val, "default")) |
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*val = '\0'; |
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set_query_attr(&req->q.arch, &val); |
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} |
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/* |
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* The key must be freed in any case. |
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* The val may have been handed over to the query |
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* structure, in which case it is now NULL. |
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*/ |
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next: |
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free(key); |
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key = NULL; |
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free(val); |
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val = NULL; |
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if (*qs != '\0') |
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qs++; |
} |
} |
printf("%%%.2x", c); |
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} |
} |
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/* |
/* |
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http_decode(char *p) |
http_decode(char *p) |
{ |
{ |
char hex[3]; |
char hex[3]; |
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char *q; |
int c; |
int c; |
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hex[2] = '\0'; |
hex[2] = '\0'; |
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for ( ; '\0' != *p; p++) { |
q = p; |
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for ( ; '\0' != *p; p++, q++) { |
if ('%' == *p) { |
if ('%' == *p) { |
if ('\0' == (hex[0] = *(p + 1))) |
if ('\0' == (hex[0] = *(p + 1))) |
return(0); |
return 0; |
if ('\0' == (hex[1] = *(p + 2))) |
if ('\0' == (hex[1] = *(p + 2))) |
return(0); |
return 0; |
if (1 != sscanf(hex, "%x", &c)) |
if (1 != sscanf(hex, "%x", &c)) |
return(0); |
return 0; |
if ('\0' == c) |
if ('\0' == c) |
return(0); |
return 0; |
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*p = (char)c; |
*q = (char)c; |
memmove(p + 1, p + 3, strlen(p + 3) + 1); |
p += 2; |
} else |
} else |
*p = '+' == *p ? ' ' : *p; |
*q = '+' == *p ? ' ' : *p; |
} |
} |
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*p = '\0'; |
*q = '\0'; |
return(1); |
return 1; |
} |
} |
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static void |
static void |
Line 314 resp_begin_http(int code, const char *msg) |
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Line 311 resp_begin_http(int code, const char *msg) |
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{ |
{ |
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if (200 != code) |
if (200 != code) |
printf("Status: %d %s\n", code, msg); |
printf("Status: %d %s\r\n", code, msg); |
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puts("Content-Type: text/html; charset=utf-8\n" |
printf("Content-Type: text/html; charset=utf-8\r\n" |
"Cache-Control: no-cache\n" |
"Cache-Control: no-cache\r\n" |
"Pragma: no-cache\n" |
"Pragma: no-cache\r\n" |
""); |
"\r\n"); |
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fflush(stdout); |
fflush(stdout); |
} |
} |
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static void |
static void |
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resp_copy(const char *filename) |
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{ |
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char buf[4096]; |
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ssize_t sz; |
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int fd; |
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|
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if ((fd = open(filename, O_RDONLY)) != -1) { |
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fflush(stdout); |
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while ((sz = read(fd, buf, sizeof(buf))) > 0) |
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write(STDOUT_FILENO, buf, sz); |
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} |
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} |
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static void |
resp_begin_html(int code, const char *msg) |
resp_begin_html(int code, const char *msg) |
{ |
{ |
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resp_begin_http(code, msg); |
resp_begin_http(code, msg); |
|
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printf("<!DOCTYPE HTML PUBLIC " |
printf("<!DOCTYPE html>\n" |
" \"-//W3C//DTD HTML 4.01//EN\"" |
"<html>\n" |
" \"http://www.w3.org/TR/html4/strict.dtd\">\n" |
"<head>\n" |
"<HTML>\n" |
"<meta charset=\"UTF-8\"/>\n" |
"<HEAD>\n" |
"<link rel=\"stylesheet\" href=\"%s/mandoc.css\"" |
"<META HTTP-EQUIV=\"Content-Type\"" |
" type=\"text/css\" media=\"all\">\n" |
" CONTENT=\"text/html; charset=utf-8\">\n" |
"<title>%s</title>\n" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\"" |
"</head>\n" |
" TYPE=\"text/css\" media=\"all\">\n" |
"<body>\n" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" |
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" TYPE=\"text/css\" media=\"all\">\n" |
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"<TITLE>System Manpage Reference</TITLE>\n" |
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"</HEAD>\n" |
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"<BODY>\n" |
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"<!-- Begin page content. //-->\n", |
"<!-- Begin page content. //-->\n", |
cssdir, cssdir); |
CSS_DIR, CUSTOMIZE_TITLE); |
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|
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resp_copy(MAN_DIR "/header.html"); |
} |
} |
|
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static void |
static void |
resp_end_html(void) |
resp_end_html(void) |
{ |
{ |
|
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puts("</BODY>\n" |
resp_copy(MAN_DIR "/footer.html"); |
"</HTML>"); |
|
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puts("</body>\n" |
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"</html>"); |
} |
} |
|
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static void |
static void |
Line 362 resp_searchform(const struct req *req) |
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Line 372 resp_searchform(const struct req *req) |
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int i; |
int i; |
|
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puts("<!-- Begin search form. //-->"); |
puts("<!-- Begin search form. //-->"); |
printf("<DIV ID=\"mancgi\">\n" |
printf("<div id=\"mancgi\">\n" |
"<FORM ACTION=\"%s/search\" METHOD=\"get\">\n" |
"<form action=\"/%s\" method=\"get\">\n" |
"<FIELDSET>\n" |
"<fieldset>\n" |
"<LEGEND>Search Parameters</LEGEND>\n" |
"<legend>Manual Page Search Parameters</legend>\n", |
"<INPUT TYPE=\"submit\" " |
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" VALUE=\"Search\"> for manuals satisfying \n" |
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"<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\"", |
|
scriptname); |
scriptname); |
html_print(req->q.expr ? req->q.expr : ""); |
|
printf("\">, section " |
/* Write query input box. */ |
"<INPUT TYPE=\"text\"" |
|
" SIZE=\"4\" NAME=\"sec\" VALUE=\""); |
printf( "<table><tr><td>\n" |
html_print(req->q.sec ? req->q.sec : ""); |
"<input type=\"text\" name=\"query\" value=\""); |
printf("\">, arch " |
if (NULL != req->q.query) |
"<INPUT TYPE=\"text\"" |
html_print(req->q.query); |
" SIZE=\"8\" NAME=\"arch\" VALUE=\""); |
puts("\" size=\"40\" autofocus>"); |
html_print(req->q.arch ? req->q.arch : ""); |
|
printf("\">"); |
/* Write submission and reset buttons. */ |
|
|
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printf( "<input type=\"submit\" value=\"Submit\">\n" |
|
"<input type=\"reset\" value=\"Reset\">\n"); |
|
|
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/* Write show radio button */ |
|
|
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printf( "</td><td>\n" |
|
"<input type=\"radio\" "); |
|
if (req->q.equal) |
|
printf("checked=\"checked\" "); |
|
printf( "name=\"apropos\" id=\"show\" value=\"0\">\n" |
|
"<label for=\"show\">Show named manual page</label>\n"); |
|
|
|
/* Write section selector. */ |
|
|
|
puts( "</td></tr><tr><td>\n" |
|
"<select name=\"sec\">"); |
|
for (i = 0; i < sec_MAX; i++) { |
|
printf("<option value=\"%s\"", sec_numbers[i]); |
|
if (NULL != req->q.sec && |
|
0 == strcmp(sec_numbers[i], req->q.sec)) |
|
printf(" selected=\"selected\""); |
|
printf(">%s</option>\n", sec_names[i]); |
|
} |
|
puts("</select>"); |
|
|
|
/* Write architecture selector. */ |
|
|
|
printf( "<select name=\"arch\">\n" |
|
"<option value=\"default\""); |
|
if (NULL == req->q.arch) |
|
printf(" selected=\"selected\""); |
|
puts(">All Architectures</option>"); |
|
for (i = 0; i < arch_MAX; i++) { |
|
printf("<option value=\"%s\"", arch_names[i]); |
|
if (NULL != req->q.arch && |
|
0 == strcmp(arch_names[i], req->q.arch)) |
|
printf(" selected=\"selected\""); |
|
printf(">%s</option>\n", arch_names[i]); |
|
} |
|
puts("</select>"); |
|
|
|
/* Write manpath selector. */ |
|
|
if (req->psz > 1) { |
if (req->psz > 1) { |
puts(", in <SELECT NAME=\"manpath\">"); |
puts("<select name=\"manpath\">"); |
for (i = 0; i < (int)req->psz; i++) { |
for (i = 0; i < (int)req->psz; i++) { |
printf("<OPTION "); |
printf("<option "); |
if (NULL == req->q.manpath ? 0 == i : |
if (strcmp(req->q.manpath, req->p[i]) == 0) |
0 == strcmp(req->q.manpath, req->p[i])) |
printf("selected=\"selected\" "); |
printf("SELECTED=\"selected\" "); |
printf("value=\""); |
printf("VALUE=\""); |
|
html_print(req->p[i]); |
html_print(req->p[i]); |
printf("\">"); |
printf("\">"); |
html_print(req->p[i]); |
html_print(req->p[i]); |
puts("</OPTION>"); |
puts("</option>"); |
} |
} |
puts("</SELECT>"); |
puts("</select>"); |
} |
} |
puts("—\n" |
|
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n" |
/* Write search radio button */ |
"</FIELDSET>\n" |
|
"</FORM>\n" |
printf( "</td><td>\n" |
"</DIV>"); |
"<input type=\"radio\" "); |
|
if (0 == req->q.equal) |
|
printf("checked=\"checked\" "); |
|
printf( "name=\"apropos\" id=\"search\" value=\"1\">\n" |
|
"<label for=\"search\">Search with apropos query</label>\n"); |
|
|
|
puts("</td></tr></table>\n" |
|
"</fieldset>\n" |
|
"</form>\n" |
|
"</div>"); |
puts("<!-- End search form. //-->"); |
puts("<!-- End search form. //-->"); |
} |
} |
|
|
|
static int |
|
validate_urifrag(const char *frag) |
|
{ |
|
|
|
while ('\0' != *frag) { |
|
if ( ! (isalnum((unsigned char)*frag) || |
|
'-' == *frag || '.' == *frag || |
|
'/' == *frag || '_' == *frag)) |
|
return 0; |
|
frag++; |
|
} |
|
return 1; |
|
} |
|
|
|
static int |
|
validate_manpath(const struct req *req, const char* manpath) |
|
{ |
|
size_t i; |
|
|
|
if ( ! strcmp(manpath, "mandoc")) |
|
return 1; |
|
|
|
for (i = 0; i < req->psz; i++) |
|
if ( ! strcmp(manpath, req->p[i])) |
|
return 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int |
|
validate_filename(const char *file) |
|
{ |
|
|
|
if ('.' == file[0] && '/' == file[1]) |
|
file += 2; |
|
|
|
return ! (strstr(file, "../") || strstr(file, "/..") || |
|
(strncmp(file, "man", 3) && strncmp(file, "cat", 3))); |
|
} |
|
|
static void |
static void |
resp_index(const struct req *req) |
pg_index(const struct req *req) |
{ |
{ |
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
puts("<H1>\n" |
|
"Online manuals with " |
|
"<A HREF=\"http://mdocml.bsd.lv/\">mandoc</A>\n" |
|
"</H1>"); |
|
resp_searchform(req); |
resp_searchform(req); |
puts("<P>\n" |
printf("<p>\n" |
"The <A HREF=\"search?expr=Nm~^apropos$&sec=1\">" |
"This web interface is documented in the\n" |
"apropos</A> manual explains the query syntax.\n" |
"<a href=\"/%s%smandoc/man8/man.cgi.8\">man.cgi</a>\n" |
"</P>"); |
"manual, and the\n" |
|
"<a href=\"/%s%smandoc/man1/apropos.1\">apropos</a>\n" |
|
"manual explains the query syntax.\n" |
|
"</p>\n", |
|
scriptname, *scriptname == '\0' ? "" : "/", |
|
scriptname, *scriptname == '\0' ? "" : "/"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_noresult(const struct req *req, const char *msg) |
pg_noresult(const struct req *req, const char *msg) |
{ |
{ |
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
puts("<P>"); |
puts("<p>"); |
puts(msg); |
puts(msg); |
puts("</P>"); |
puts("</p>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_error_badrequest(const char *msg) |
pg_error_badrequest(const char *msg) |
{ |
{ |
|
|
resp_begin_html(400, "Bad Request"); |
resp_begin_html(400, "Bad Request"); |
puts("<H1>Bad Request</H1>\n" |
puts("<h1>Bad Request</h1>\n" |
"<P>\n"); |
"<p>\n"); |
puts(msg); |
puts(msg); |
printf("Try again from the\n" |
printf("Try again from the\n" |
"<A HREF=\"%s\">main page</A>.\n" |
"<a href=\"/%s\">main page</a>.\n" |
"</P>", scriptname); |
"</p>", scriptname); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_error_notfound(const char *page) |
pg_error_internal(void) |
{ |
{ |
|
|
resp_begin_html(404, "Not Found"); |
|
puts("<H1>Page Not Found</H1>\n" |
|
"<P>\n" |
|
"The page you're looking for, "); |
|
printf("<B>"); |
|
html_print(page); |
|
printf("</B>,\n" |
|
"could not be found.\n" |
|
"Try searching from the\n" |
|
"<A HREF=\"%s\">main page</A>.\n" |
|
"</P>", scriptname); |
|
resp_end_html(); |
|
} |
|
|
|
static void |
|
resp_error_internal(void) |
|
{ |
|
resp_begin_html(500, "Internal Server Error"); |
resp_begin_html(500, "Internal Server Error"); |
puts("<P>Internal Server Error</P>"); |
puts("<p>Internal Server Error</p>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_search(const struct req *req, struct manpage *r, size_t sz) |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
{ |
{ |
size_t i; |
char *arch, *archend; |
|
const char *sec; |
|
size_t i, iuse; |
|
int archprio, archpriouse; |
|
int prio, priouse; |
|
|
if (1 == sz) { |
for (i = 0; i < sz; i++) { |
|
if (validate_filename(r[i].file)) |
|
continue; |
|
warnx("invalid filename %s in %s database", |
|
r[i].file, req->q.manpath); |
|
pg_error_internal(); |
|
return; |
|
} |
|
|
|
if (req->isquery && sz == 1) { |
/* |
/* |
* If we have just one result, then jump there now |
* If we have just one result, then jump there now |
* without any delay. |
* without any delay. |
*/ |
*/ |
puts("Status: 303 See Other"); |
printf("Status: 303 See Other\r\n"); |
printf("Location: http://%s%s/show/%s/%s?", |
printf("Location: http://%s/%s%s%s/%s", |
httphost, scriptname, req->q.manpath, r[0].file); |
HTTP_HOST, scriptname, |
http_printquery(req); |
*scriptname == '\0' ? "" : "/", |
puts("\n" |
req->q.manpath, r[0].file); |
"Content-Type: text/html; charset=utf-8\n"); |
printf("\r\n" |
|
"Content-Type: text/html; charset=utf-8\r\n" |
|
"\r\n"); |
return; |
return; |
} |
} |
|
|
qsort(r, sz, sizeof(struct manpage), cmp); |
|
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
puts("<DIV CLASS=\"results\">"); |
|
puts("<TABLE>"); |
|
|
|
for (i = 0; i < sz; i++) { |
if (sz > 1) { |
printf("<TR>\n" |
puts("<div class=\"results\">"); |
"<TD CLASS=\"title\">\n" |
puts("<table>"); |
"<A HREF=\"%s/show/%s/%s?", |
|
scriptname, req->q.manpath, r[i].file); |
for (i = 0; i < sz; i++) { |
html_printquery(req); |
printf("<tr>\n" |
printf("\">"); |
"<td class=\"title\">\n" |
html_print(r[i].names); |
"<a href=\"/%s%s%s/%s", |
printf("</A>\n" |
scriptname, *scriptname == '\0' ? "" : "/", |
"</TD>\n" |
req->q.manpath, r[i].file); |
"<TD CLASS=\"desc\">"); |
printf("\">"); |
html_print(r[i].output); |
html_print(r[i].names); |
puts("</TD>\n" |
printf("</a>\n" |
"</TR>"); |
"</td>\n" |
|
"<td class=\"desc\">"); |
|
html_print(r[i].output); |
|
puts("</td>\n" |
|
"</tr>"); |
|
} |
|
|
|
puts("</table>\n" |
|
"</div>"); |
} |
} |
|
|
puts("</TABLE>\n" |
/* |
"</DIV>"); |
* In man(1) mode, show one of the pages |
resp_end_html(); |
* even if more than one is found. |
} |
*/ |
|
|
/* ARGSUSED */ |
if (req->q.equal || sz == 1) { |
static void |
puts("<hr>"); |
pg_index(const struct req *req, char *path) |
iuse = 0; |
{ |
priouse = 20; |
|
archpriouse = 3; |
|
for (i = 0; i < sz; i++) { |
|
sec = r[i].file; |
|
sec += strcspn(sec, "123456789"); |
|
if (sec[0] == '\0') |
|
continue; |
|
prio = sec_prios[sec[0] - '1']; |
|
if (sec[1] != '/') |
|
prio += 10; |
|
if (req->q.arch == NULL) { |
|
archprio = |
|
((arch = strchr(sec + 1, '/')) |
|
== NULL) ? 3 : |
|
((archend = strchr(arch + 1, '/')) |
|
== NULL) ? 0 : |
|
strncmp(arch, "amd64/", |
|
archend - arch) ? 2 : 1; |
|
if (archprio < archpriouse) { |
|
archpriouse = archprio; |
|
priouse = prio; |
|
iuse = i; |
|
continue; |
|
} |
|
if (archprio > archpriouse) |
|
continue; |
|
} |
|
if (prio >= priouse) |
|
continue; |
|
priouse = prio; |
|
iuse = i; |
|
} |
|
resp_show(req, r[iuse].file); |
|
} |
|
|
resp_index(req); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
catman(const struct req *req, const char *file) |
resp_catman(const struct req *req, const char *file) |
{ |
{ |
FILE *f; |
FILE *f; |
size_t len; |
|
int i; |
|
char *p; |
char *p; |
|
size_t sz; |
|
ssize_t len; |
|
int i; |
int italic, bold; |
int italic, bold; |
|
|
if (NULL == (f = fopen(file, "r"))) { |
if ((f = fopen(file, "r")) == NULL) { |
resp_error_badrequest( |
puts("<p>You specified an invalid manual file.</p>"); |
"You specified an invalid manual file."); |
|
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
puts("<div class=\"catman\">\n" |
resp_searchform(req); |
"<pre>"); |
puts("<DIV CLASS=\"catman\">\n" |
|
"<PRE>"); |
|
|
|
while (NULL != (p = fgetln(f, &len))) { |
p = NULL; |
|
sz = 0; |
|
|
|
while ((len = getline(&p, &sz, f)) != -1) { |
bold = italic = 0; |
bold = italic = 0; |
for (i = 0; i < (int)len - 1; i++) { |
for (i = 0; i < len - 1; i++) { |
/* |
/* |
* This means that the catpage is out of state. |
* This means that the catpage is out of state. |
* Ignore it and keep going (although the |
* Ignore it and keep going (although the |
* catpage is bogus). |
* catpage is bogus). |
Line 567 catman(const struct req *req, const char *file) |
|
Line 702 catman(const struct req *req, const char *file) |
|
|
|
if ('\b' != p[i + 1]) { |
if ('\b' != p[i + 1]) { |
if (italic) |
if (italic) |
printf("</I>"); |
printf("</i>"); |
if (bold) |
if (bold) |
printf("</B>"); |
printf("</b>"); |
italic = bold = 0; |
italic = bold = 0; |
html_putchar(p[i]); |
html_putchar(p[i]); |
continue; |
continue; |
} else if (i + 2 >= (int)len) |
} else if (i + 2 >= len) |
continue; |
continue; |
|
|
/* Italic mode. */ |
/* Italic mode. */ |
|
|
if ('_' == p[i]) { |
if ('_' == p[i]) { |
if (bold) |
if (bold) |
printf("</B>"); |
printf("</b>"); |
if ( ! italic) |
if ( ! italic) |
printf("<I>"); |
printf("<i>"); |
bold = 0; |
bold = 0; |
italic = 1; |
italic = 1; |
i += 2; |
i += 2; |
Line 590 catman(const struct req *req, const char *file) |
|
Line 725 catman(const struct req *req, const char *file) |
|
continue; |
continue; |
} |
} |
|
|
/* |
/* |
* Handle funny behaviour troff-isms. |
* Handle funny behaviour troff-isms. |
* These grok'd from the original man2html.c. |
* These grok'd from the original man2html.c. |
*/ |
*/ |
Line 604 catman(const struct req *req, const char *file) |
|
Line 739 catman(const struct req *req, const char *file) |
|
('*' == p[i] && '|' == p[i + 2]) || |
('*' == p[i] && '|' == p[i + 2]) || |
('|' == p[i] && '*' == p[i + 2])) { |
('|' == p[i] && '*' == p[i + 2])) { |
if (italic) |
if (italic) |
printf("</I>"); |
printf("</i>"); |
if (bold) |
if (bold) |
printf("</B>"); |
printf("</b>"); |
italic = bold = 0; |
italic = bold = 0; |
putchar('*'); |
putchar('*'); |
i += 2; |
i += 2; |
Line 618 catman(const struct req *req, const char *file) |
|
Line 753 catman(const struct req *req, const char *file) |
|
('+' == p[i] && '|' == p[i + 1]) || |
('+' == p[i] && '|' == p[i + 1]) || |
('|' == p[i] && '+' == p[i + 1])) { |
('|' == p[i] && '+' == p[i + 1])) { |
if (italic) |
if (italic) |
printf("</I>"); |
printf("</i>"); |
if (bold) |
if (bold) |
printf("</B>"); |
printf("</b>"); |
italic = bold = 0; |
italic = bold = 0; |
putchar('+'); |
putchar('+'); |
i += 2; |
i += 2; |
Line 628 catman(const struct req *req, const char *file) |
|
Line 763 catman(const struct req *req, const char *file) |
|
} |
} |
|
|
/* Bold mode. */ |
/* Bold mode. */ |
|
|
if (italic) |
if (italic) |
printf("</I>"); |
printf("</i>"); |
if ( ! bold) |
if ( ! bold) |
printf("<B>"); |
printf("<b>"); |
bold = 1; |
bold = 1; |
italic = 0; |
italic = 0; |
i += 2; |
i += 2; |
html_putchar(p[i]); |
html_putchar(p[i]); |
} |
} |
|
|
/* |
/* |
* Clean up the last character. |
* Clean up the last character. |
* We can get to a newline; don't print that. |
* We can get to a newline; don't print that. |
*/ |
*/ |
|
|
if (italic) |
if (italic) |
printf("</I>"); |
printf("</i>"); |
if (bold) |
if (bold) |
printf("</B>"); |
printf("</b>"); |
|
|
if (i == (int)len - 1 && '\n' != p[i]) |
if (i == len - 1 && p[i] != '\n') |
html_putchar(p[i]); |
html_putchar(p[i]); |
|
|
putchar('\n'); |
putchar('\n'); |
} |
} |
|
free(p); |
|
|
puts("</PRE>\n" |
puts("</pre>\n" |
"</DIV>\n" |
"</div>"); |
"</BODY>\n" |
|
"</HTML>"); |
|
|
|
fclose(f); |
fclose(f); |
} |
} |
|
|
static void |
static void |
format(const struct req *req, const char *file) |
resp_format(const struct req *req, const char *file) |
{ |
{ |
|
struct manoutput conf; |
struct mparse *mp; |
struct mparse *mp; |
int fd; |
struct roff_man *man; |
struct mdoc *mdoc; |
|
struct man *man; |
|
void *vp; |
void *vp; |
enum mandoclevel rc; |
int fd; |
char opts[PATH_MAX + 128]; |
int usepath; |
|
|
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
resp_error_badrequest( |
puts("<p>You specified an invalid manual file.</p>"); |
"You specified an invalid manual file."); |
|
return; |
return; |
} |
} |
|
|
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL, |
mchars_alloc(); |
req->q.manpath); |
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, req->q.manpath); |
rc = mparse_readfd(mp, fd, file); |
mparse_readfd(mp, fd, file); |
close(fd); |
close(fd); |
|
|
if (rc >= MANDOCLEVEL_FATAL) { |
memset(&conf, 0, sizeof(conf)); |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
conf.fragment = 1; |
req->q.manpath, file); |
usepath = strcmp(req->q.manpath, req->p[0]); |
resp_error_internal(); |
mandoc_asprintf(&conf.man, "/%s%s%%N.%%S", |
return; |
usepath ? req->q.manpath : "", usepath ? "/" : ""); |
} |
|
|
|
snprintf(opts, sizeof(opts), |
mparse_result(mp, &man, NULL); |
"fragment,man=%s/search?sec=%%S&expr=Nm~^%%N$", |
if (man == NULL) { |
scriptname); |
warnx("fatal mandoc error: %s/%s", req->q.manpath, file); |
|
pg_error_internal(); |
mparse_result(mp, &mdoc, &man, NULL); |
|
if (NULL == man && NULL == mdoc) { |
|
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
|
req->q.manpath, file); |
|
resp_error_internal(); |
|
mparse_free(mp); |
mparse_free(mp); |
|
mchars_free(); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
vp = html_alloc(&conf); |
resp_searchform(req); |
|
|
|
vp = html_alloc(opts); |
if (man->macroset == MACROSET_MDOC) { |
|
mdoc_validate(man); |
if (NULL != mdoc) |
html_mdoc(vp, man); |
html_mdoc(vp, mdoc); |
} else { |
else |
man_validate(man); |
html_man(vp, man); |
html_man(vp, man); |
|
} |
|
|
puts("</BODY>\n" |
|
"</HTML>"); |
|
|
|
html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
|
mchars_free(); |
|
free(conf.man); |
} |
} |
|
|
static void |
static void |
pg_show(const struct req *req, char *path) |
resp_show(const struct req *req, const char *file) |
{ |
{ |
char *sub; |
|
|
|
if (NULL == path || NULL == (sub = strchr(path, '/'))) { |
if ('.' == file[0] && '/' == file[1]) |
resp_error_badrequest( |
file += 2; |
|
|
|
if ('c' == *file) |
|
resp_catman(req, file); |
|
else |
|
resp_format(req, file); |
|
} |
|
|
|
static void |
|
pg_show(struct req *req, const char *fullpath) |
|
{ |
|
char *manpath; |
|
const char *file; |
|
|
|
if ((file = strchr(fullpath, '/')) == NULL) { |
|
pg_error_badrequest( |
"You did not specify a page to show."); |
"You did not specify a page to show."); |
return; |
return; |
} |
} |
*sub++ = '\0'; |
manpath = mandoc_strndup(fullpath, file - fullpath); |
|
file++; |
|
|
|
if ( ! validate_manpath(req, manpath)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
free(manpath); |
|
return; |
|
} |
|
|
/* |
/* |
* Begin by chdir()ing into the manpath. |
* Begin by chdir()ing into the manpath. |
* This way we can pick up the database files, which are |
* This way we can pick up the database files, which are |
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == chdir(path)) { |
if (chdir(manpath) == -1) { |
resp_error_badrequest( |
warn("chdir %s", manpath); |
"You specified an invalid manpath."); |
pg_error_internal(); |
|
free(manpath); |
return; |
return; |
} |
} |
|
|
if ('c' == *sub) |
if (strcmp(manpath, "mandoc")) { |
catman(req, sub); |
free(req->q.manpath); |
else |
req->q.manpath = manpath; |
format(req, sub); |
} else |
|
free(manpath); |
|
|
|
if ( ! validate_filename(file)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manual file."); |
|
return; |
|
} |
|
|
|
resp_begin_html(200, NULL); |
|
resp_searchform(req); |
|
resp_show(req, file); |
|
resp_end_html(); |
} |
} |
|
|
static void |
static void |
pg_search(const struct req *req, char *path) |
pg_search(const struct req *req) |
{ |
{ |
struct mansearch search; |
struct mansearch search; |
struct manpaths paths; |
struct manpaths paths; |
struct manpage *res; |
struct manpage *res; |
char **cp; |
char **argv; |
const char *ep, *start; |
char *query, *rp, *wp; |
size_t ressz; |
size_t ressz; |
int i, sz; |
int argc; |
|
|
/* |
/* |
* Begin by chdir()ing into the root of the manpath. |
* Begin by chdir()ing into the root of the manpath. |
Line 769 pg_search(const struct req *req, char *path) |
|
Line 930 pg_search(const struct req *req, char *path) |
|
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == (chdir(req->q.manpath))) { |
if (chdir(req->q.manpath) == -1) { |
resp_error_badrequest( |
warn("chdir %s", req->q.manpath); |
"You specified an invalid manpath."); |
pg_error_internal(); |
return; |
return; |
} |
} |
|
|
search.arch = req->q.arch; |
search.arch = req->q.arch; |
search.sec = req->q.sec; |
search.sec = req->q.sec; |
search.deftype = TYPE_Nm | TYPE_Nd; |
search.outkey = "Nd"; |
search.flags = 0; |
search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR; |
|
search.firstmatch = 1; |
|
|
paths.sz = 1; |
paths.sz = 1; |
paths.paths = mandoc_malloc(sizeof(char *)); |
paths.paths = mandoc_malloc(sizeof(char *)); |
paths.paths[0] = mandoc_strdup("."); |
paths.paths[0] = mandoc_strdup("."); |
|
|
/* |
/* |
* Poor man's tokenisation: just break apart by spaces. |
* Break apart at spaces with backslash-escaping. |
* Yes, this is half-ass. But it works for now. |
|
*/ |
*/ |
|
|
ep = req->q.expr; |
argc = 0; |
while (ep && isspace((unsigned char)*ep)) |
argv = NULL; |
ep++; |
rp = query = mandoc_strdup(req->q.query); |
|
for (;;) { |
sz = 0; |
while (isspace((unsigned char)*rp)) |
cp = NULL; |
rp++; |
while (ep && '\0' != *ep) { |
if (*rp == '\0') |
cp = mandoc_reallocarray(cp, sz + 1, sizeof(char *)); |
break; |
start = ep; |
argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *)); |
while ('\0' != *ep && ! isspace((unsigned char)*ep)) |
argv[argc++] = wp = rp; |
ep++; |
for (;;) { |
cp[sz] = mandoc_malloc((ep - start) + 1); |
if (isspace((unsigned char)*rp)) { |
memcpy(cp[sz], start, ep - start); |
*wp = '\0'; |
cp[sz++][ep - start] = '\0'; |
rp++; |
while (isspace((unsigned char)*ep)) |
break; |
ep++; |
} |
|
if (rp[0] == '\\' && rp[1] != '\0') |
|
rp++; |
|
if (wp != rp) |
|
*wp = *rp; |
|
if (*rp == '\0') |
|
break; |
|
wp++; |
|
rp++; |
|
} |
} |
} |
|
|
if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) |
if (0 == mansearch(&search, &paths, argc, argv, &res, &ressz)) |
resp_noresult(req, "You entered an invalid query."); |
pg_noresult(req, "You entered an invalid query."); |
else if (0 == ressz) |
else if (0 == ressz) |
resp_noresult(req, "No results found."); |
pg_noresult(req, "No results found."); |
else |
else |
resp_search(req, res, ressz); |
pg_searchres(req, res, ressz); |
|
|
for (i = 0; i < sz; i++) |
free(query); |
free(cp[i]); |
mansearch_free(res, ressz); |
free(cp); |
|
|
|
for (i = 0; i < (int)ressz; i++) { |
|
free(res[i].file); |
|
free(res[i].names); |
|
free(res[i].output); |
|
} |
|
free(res); |
|
|
|
free(paths.paths[0]); |
free(paths.paths[0]); |
free(paths.paths); |
free(paths.paths); |
} |
} |
Line 832 pg_search(const struct req *req, char *path) |
|
Line 993 pg_search(const struct req *req, char *path) |
|
int |
int |
main(void) |
main(void) |
{ |
{ |
int i; |
|
struct req req; |
struct req req; |
char *querystring, *path, *subpath; |
struct itimerval itimer; |
|
const char *path; |
|
const char *querystring; |
|
int i; |
|
|
/* Scan our run-time environment. */ |
/* Poor man's ReDoS mitigation. */ |
|
|
if (NULL == (mandir = getenv("MAN_DIR"))) |
itimer.it_value.tv_sec = 2; |
mandir = "/man"; |
itimer.it_value.tv_usec = 0; |
|
itimer.it_interval.tv_sec = 2; |
|
itimer.it_interval.tv_usec = 0; |
|
if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
|
warn("setitimer"); |
|
pg_error_internal(); |
|
return EXIT_FAILURE; |
|
} |
|
|
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
|
scriptname = ""; |
|
|
|
if (NULL == (cssdir = getenv("CSS_DIR"))) |
|
cssdir = ""; |
|
|
|
if (NULL == (httphost = getenv("HTTP_HOST"))) |
|
httphost = "localhost"; |
|
|
|
/* |
/* |
* First we change directory into the mandir so that |
* First we change directory into the MAN_DIR so that |
* subsequent scanning for manpath directories is rooted |
* subsequent scanning for manpath directories is rooted |
* relative to the same position. |
* relative to the same position. |
*/ |
*/ |
|
|
if (-1 == chdir(mandir)) { |
if (chdir(MAN_DIR) == -1) { |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
warn("MAN_DIR: %s", MAN_DIR); |
mandir, strerror(errno)); |
pg_error_internal(); |
resp_error_internal(); |
return EXIT_FAILURE; |
return(EXIT_FAILURE); |
} |
} |
|
|
|
memset(&req, 0, sizeof(struct req)); |
memset(&req, 0, sizeof(struct req)); |
pathgen(&req); |
req.q.equal = 1; |
|
parse_manpath_conf(&req); |
|
|
/* Next parse out the query string. */ |
/* Parse the path info and the query string. */ |
|
|
if (NULL != (querystring = getenv("QUERY_STRING"))) |
if ((path = getenv("PATH_INFO")) == NULL) |
http_parse(&req, querystring); |
path = ""; |
|
else if (*path == '/') |
|
path++; |
|
|
/* |
if (*path != '\0') { |
* Now juggle paths to extract information. |
parse_path_info(&req, path); |
* We want to extract our filetype (the file suffix), the |
if (access(path, F_OK) == -1) |
* initial path component, then the trailing component(s). |
path = ""; |
* Start with leading subpath component. |
} else if ((querystring = getenv("QUERY_STRING")) != NULL) |
*/ |
parse_query_string(&req, querystring); |
|
|
subpath = path = NULL; |
/* Validate parsed data and add defaults. */ |
req.page = PAGE__MAX; |
|
|
|
if (NULL == (path = getenv("PATH_INFO")) || '\0' == *path) |
if (req.q.manpath == NULL) |
req.page = PAGE_INDEX; |
req.q.manpath = mandoc_strdup(req.p[0]); |
|
else if ( ! validate_manpath(&req, req.q.manpath)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
return EXIT_FAILURE; |
|
} |
|
|
if (NULL != path && '/' == *path && '\0' == *++path) |
if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
req.page = PAGE_INDEX; |
pg_error_badrequest( |
|
"You specified an invalid architecture."); |
|
return EXIT_FAILURE; |
|
} |
|
|
/* Resolve subpath component. */ |
/* Dispatch to the three different pages. */ |
|
|
if (NULL != path && NULL != (subpath = strchr(path, '/'))) |
if ('\0' != *path) |
*subpath++ = '\0'; |
pg_show(&req, path); |
|
else if (NULL != req.q.query) |
|
pg_search(&req); |
|
else |
|
pg_index(&req); |
|
|
/* Map path into one we recognise. */ |
free(req.q.manpath); |
|
free(req.q.arch); |
if (NULL != path && '\0' != *path) |
free(req.q.sec); |
for (i = 0; i < (int)PAGE__MAX; i++) |
free(req.q.query); |
if (0 == strcmp(pages[i], path)) { |
|
req.page = (enum page)i; |
|
break; |
|
} |
|
|
|
/* Route pages. */ |
|
|
|
switch (req.page) { |
|
case (PAGE_INDEX): |
|
pg_index(&req, subpath); |
|
break; |
|
case (PAGE_SEARCH): |
|
pg_search(&req, subpath); |
|
break; |
|
case (PAGE_SHOW): |
|
pg_show(&req, subpath); |
|
break; |
|
default: |
|
resp_error_notfound(path); |
|
break; |
|
} |
|
|
|
for (i = 0; i < (int)req.psz; i++) |
for (i = 0; i < (int)req.psz; i++) |
free(req.p[i]); |
free(req.p[i]); |
free(req.p); |
free(req.p); |
return(EXIT_SUCCESS); |
return EXIT_SUCCESS; |
} |
} |
|
|
static int |
/* |
cmp(const void *p1, const void *p2) |
* If PATH_INFO is not a file name, translate it to a query. |
|
*/ |
|
static void |
|
parse_path_info(struct req *req, const char *path) |
{ |
{ |
|
char *dir; |
|
|
return(strcasecmp(((const struct manpage *)p1)->names, |
req->isquery = 0; |
((const struct manpage *)p2)->names)); |
req->q.equal = 1; |
|
req->q.manpath = mandoc_strdup(path); |
|
|
|
/* Mandatory manual page name. */ |
|
if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) { |
|
req->q.query = req->q.manpath; |
|
req->q.manpath = NULL; |
|
} else |
|
*req->q.query++ = '\0'; |
|
|
|
/* Optional trailing section. */ |
|
if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) { |
|
if(isdigit((unsigned char)req->q.sec[1])) { |
|
*req->q.sec++ = '\0'; |
|
req->q.sec = mandoc_strdup(req->q.sec); |
|
} else |
|
req->q.sec = NULL; |
|
} |
|
|
|
/* Handle the case of name[.section] only. */ |
|
if (req->q.manpath == NULL) { |
|
req->q.arch = NULL; |
|
return; |
|
} |
|
req->q.query = mandoc_strdup(req->q.query); |
|
|
|
/* Optional architecture. */ |
|
dir = strrchr(req->q.manpath, '/'); |
|
if (dir != NULL && strncmp(dir + 1, "man", 3) != 0) { |
|
*dir++ = '\0'; |
|
req->q.arch = mandoc_strdup(dir); |
|
dir = strrchr(req->q.manpath, '/'); |
|
} else |
|
req->q.arch = NULL; |
|
|
|
/* Optional directory name. */ |
|
if (dir != NULL && strncmp(dir + 1, "man", 3) == 0) { |
|
*dir++ = '\0'; |
|
free(req->q.sec); |
|
req->q.sec = mandoc_strdup(dir + 3); |
|
} |
} |
} |
|
|
/* |
/* |
* Scan for indexable paths. |
* Scan for indexable paths. |
*/ |
*/ |
static void |
static void |
pathgen(struct req *req) |
parse_manpath_conf(struct req *req) |
{ |
{ |
FILE *fp; |
FILE *fp; |
char *dp; |
char *dp; |
size_t dpsz; |
size_t dpsz; |
|
ssize_t len; |
|
|
if (NULL == (fp = fopen("manpath.conf", "r"))) |
if ((fp = fopen("manpath.conf", "r")) == NULL) { |
return; |
warn("%s/manpath.conf", MAN_DIR); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
|
} |
|
|
while (NULL != (dp = fgetln(fp, &dpsz))) { |
dp = NULL; |
if ('\n' == dp[dpsz - 1]) |
dpsz = 0; |
dpsz--; |
|
|
while ((len = getline(&dp, &dpsz, fp)) != -1) { |
|
if (dp[len - 1] == '\n') |
|
dp[--len] = '\0'; |
req->p = mandoc_realloc(req->p, |
req->p = mandoc_realloc(req->p, |
(req->psz + 1) * sizeof(char *)); |
(req->psz + 1) * sizeof(char *)); |
req->p[req->psz++] = mandoc_strndup(dp, dpsz); |
if ( ! validate_urifrag(dp)) { |
|
warnx("%s/manpath.conf contains " |
|
"unsafe path \"%s\"", MAN_DIR, dp); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
|
} |
|
if (strchr(dp, '/') != NULL) { |
|
warnx("%s/manpath.conf contains " |
|
"path with slash \"%s\"", MAN_DIR, dp); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
|
} |
|
req->p[req->psz++] = dp; |
|
dp = NULL; |
|
dpsz = 0; |
|
} |
|
free(dp); |
|
|
|
if (req->p == NULL) { |
|
warnx("%s/manpath.conf is empty", MAN_DIR); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
} |
} |
} |
} |