version 1.92, 2014/08/05 15:29:30 |
version 1.180, 2022/07/06 17:21:04 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
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* Copyright (c) 2014-2019, 2021, 2022 Ingo Schwarze <schwarze@usta.de> |
* 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) 2022 Anna Vyalkova <cyber@sysrq.in> |
* |
* |
* 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. |
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* |
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* Implementation of the man.cgi(8) program. |
*/ |
*/ |
#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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#if HAVE_ERR |
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#include <err.h> |
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#endif |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
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#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" |
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#include "mandoc_parse.h" |
#include "main.h" |
#include "main.h" |
#include "manpath.h" |
#include "manconf.h" |
#include "mansearch.h" |
#include "mansearch.h" |
#include "cgi.h" |
#include "cgi.h" |
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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 */ |
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int isquery; /* QUERY_STRING used, not PATH_INFO */ |
}; |
}; |
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static void catman(const struct req *, const char *); |
enum focus { |
static void format(const struct req *, const char *); |
FOCUS_NONE = 0, |
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FOCUS_QUERY |
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}; |
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static void html_print(const char *); |
static void html_print(const char *); |
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 *, const char *); |
static void http_encode(const char *); |
static void http_print(const char *); |
static void parse_manpath_conf(struct req *); |
static void http_putchar(char); |
static void parse_path_info(struct req *, const char *); |
static void http_printquery(const struct req *, const char *); |
static void parse_query_string(struct req *, const char *); |
static void pathgen(struct req *); |
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static void pg_error_badrequest(const char *); |
static void pg_error_badrequest(const char *); |
static void pg_error_internal(void); |
static void pg_error_internal(void); |
static void pg_index(const struct req *); |
static void pg_index(const struct req *); |
static void pg_noresult(const struct req *, const char *); |
static void pg_noresult(const struct req *, int, const char *, |
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const char *); |
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static void pg_redirect(const struct req *, const char *); |
static void pg_search(const struct req *); |
static void pg_search(const struct req *); |
static void pg_searchres(const struct req *, |
static void pg_searchres(const struct req *, |
struct manpage *, size_t); |
struct manpage *, size_t); |
static void pg_show(struct req *, const char *); |
static void pg_show(struct req *, const char *); |
static void resp_begin_html(int, const char *); |
static int resp_begin_html(int, const char *, 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 int resp_copy(const char *, const char *); |
static void resp_end_html(void); |
static void resp_end_html(void); |
static void resp_searchform(const struct req *); |
static void resp_format(const struct req *, const char *); |
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static void resp_searchform(const struct req *, enum focus); |
static void resp_show(const struct req *, const char *); |
static void resp_show(const struct req *, const char *); |
static void set_query_attr(char **, char **); |
static void set_query_attr(char **, char **); |
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static int validate_arch(const char *); |
static int validate_filename(const char *); |
static int validate_filename(const char *); |
static int validate_manpath(const struct req *, const char *); |
static int validate_manpath(const struct req *, const char *); |
static int validate_urifrag(const char *); |
static int validate_urifrag(const char *); |
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static const char *scriptname; /* CGI script name */ |
static const char *scriptname = SCRIPT_NAME; |
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const char *const sec_numbers[] = { |
static const char *const sec_numbers[] = { |
Line 91 static const char *const sec_names[] = { |
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Line 111 static const char *const sec_names[] = { |
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"All Sections", |
"All Sections", |
"1 - General Commands", |
"1 - General Commands", |
"2 - System Calls", |
"2 - System Calls", |
"3 - Subroutines", |
"3 - Library Functions", |
"3p - Perl Subroutines", |
"3p - Perl Library", |
"4 - Special Files", |
"4 - Device Drivers", |
"5 - File Formats", |
"5 - File Formats", |
"6 - Games", |
"6 - Games", |
"7 - Macros and Conventions", |
"7 - Miscellaneous Information", |
"8 - Maintenance Commands", |
"8 - System Manager\'s Manual", |
"9 - Kernel Interface" |
"9 - Kernel Developer\'s Manual" |
}; |
}; |
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
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static const char *const arch_names[] = { |
static const char *const arch_names[] = { |
"amd64", "alpha", "armish", "armv7", |
"amd64", "alpha", "armv7", "arm64", |
"aviion", "hppa", "hppa64", "i386", |
"hppa", "i386", "landisk", "loongson", |
"ia64", "landisk", "loongson", "luna88k", |
"luna88k", "macppc", "mips64", "octeon", |
"macppc", "mips64", "octeon", "sgi", |
"powerpc64", "riscv64", "sparc64", |
"socppc", "solbourne", "sparc", "sparc64", |
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"vax", "zaurus", |
"amiga", "arc", "armish", "arm32", |
"amiga", "arc", "arm32", "atari", |
"atari", "aviion", "beagle", "cats", |
"beagle", "cats", "hp300", "mac68k", |
"hppa64", "hp300", |
"mvme68k", "mvme88k", "mvmeppc", "palm", |
"ia64", "mac68k", "mvme68k", "mvme88k", |
"pc532", "pegasos", "pmax", "powerpc", |
"mvmeppc", "palm", "pc532", "pegasos", |
"sun3", "wgrisc", "x68k" |
"pmax", "powerpc", "sgi", "socppc", |
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"solbourne", "sparc", |
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"sun3", "vax", "wgrisc", "x68k", |
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"zaurus" |
}; |
}; |
static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
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Line 126 html_putchar(char c) |
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Line 149 html_putchar(char c) |
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{ |
{ |
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switch (c) { |
switch (c) { |
case ('"'): |
case '"': |
printf(""e;"); |
printf("""); |
break; |
break; |
case ('&'): |
case '&': |
printf("&"); |
printf("&"); |
break; |
break; |
case ('>'): |
case '>': |
printf(">"); |
printf(">"); |
break; |
break; |
case ('<'): |
case '<': |
printf("<"); |
printf("<"); |
break; |
break; |
default: |
default: |
Line 144 html_putchar(char c) |
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Line 167 html_putchar(char c) |
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} |
} |
} |
} |
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static void |
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http_printquery(const struct req *req, const char *sep) |
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{ |
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if (NULL != req->q.query) { |
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printf("query="); |
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http_print(req->q.query); |
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} |
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if (0 == req->q.equal) |
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printf("%sapropos=1", sep); |
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if (NULL != req->q.sec) { |
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printf("%ssec=", sep); |
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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("%sarch=", sep); |
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http_print(req->q.arch); |
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} |
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if (NULL != req->q.manpath && |
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strcmp(req->q.manpath, req->p[0])) { |
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printf("%smanpath=", sep); |
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http_print(req->q.manpath); |
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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) |
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return; |
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while ('\0' != *p) |
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http_putchar(*p++); |
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} |
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/* |
/* |
* Call through to html_putchar(). |
* Call through to html_putchar(). |
* Accepts NULL strings. |
* Accepts NULL strings. |
Line 186 http_print(const char *p) |
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Line 174 http_print(const char *p) |
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static void |
static void |
html_print(const char *p) |
html_print(const char *p) |
{ |
{ |
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if (NULL == p) |
if (NULL == p) |
return; |
return; |
while ('\0' != *p) |
while ('\0' != *p) |
Line 215 set_query_attr(char **attr, char **val) |
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Line 203 set_query_attr(char **attr, char **val) |
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* and store the values into the query structure. |
* and store the values into the query structure. |
*/ |
*/ |
static void |
static void |
http_parse(struct req *req, const char *qs) |
parse_query_string(struct req *req, const char *qs) |
{ |
{ |
char *key, *val; |
char *key, *val; |
size_t keysz, valsz; |
size_t keysz, valsz; |
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req->isquery = 1; |
req->q.manpath = NULL; |
req->q.manpath = NULL; |
req->q.arch = NULL; |
req->q.arch = NULL; |
req->q.sec = NULL; |
req->q.sec = NULL; |
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if (*qs != '\0') |
if (*qs != '\0') |
qs++; |
qs++; |
} |
} |
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/* Fall back to the default manpath. */ |
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if (req->q.manpath == NULL) |
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req->q.manpath = mandoc_strdup(req->p[0]); |
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} |
} |
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static void |
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http_putchar(char c) |
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{ |
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if (isalnum((unsigned char)c)) { |
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putchar((unsigned char)c); |
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return; |
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} else if (' ' == c) { |
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putchar('+'); |
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return; |
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} |
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printf("%%%.2x", c); |
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} |
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/* |
/* |
* HTTP-decode a string. The standard explanation is that this turns |
* HTTP-decode a string. The standard explanation is that this turns |
* "%4e+foo" into "n foo" in the regular way. This is done in-place |
* "%4e+foo" into "n foo" in the regular way. This is done in-place |
Line 336 http_decode(char *p) |
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Line 306 http_decode(char *p) |
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for ( ; '\0' != *p; p++, q++) { |
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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*q = (char)c; |
*q = (char)c; |
p += 2; |
p += 2; |
Line 351 http_decode(char *p) |
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Line 321 http_decode(char *p) |
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} |
} |
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*q = '\0'; |
*q = '\0'; |
return(1); |
return 1; |
} |
} |
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static void |
static void |
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http_encode(const char *p) |
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{ |
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for (; *p != '\0'; p++) { |
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if (isalnum((unsigned char)*p) == 0 && |
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strchr("-._~", *p) == NULL) |
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printf("%%%2.2X", (unsigned char)*p); |
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else |
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putchar(*p); |
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} |
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} |
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static void |
resp_begin_http(int code, const char *msg) |
resp_begin_http(int code, const char *msg) |
{ |
{ |
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Line 363 resp_begin_http(int code, const char *msg) |
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Line 345 resp_begin_http(int code, const char *msg) |
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printf("Content-Type: text/html; charset=utf-8\r\n" |
printf("Content-Type: text/html; charset=utf-8\r\n" |
"Cache-Control: no-cache\r\n" |
"Cache-Control: no-cache\r\n" |
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"Content-Security-Policy: default-src 'none'; " |
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"style-src 'self' 'unsafe-inline'\r\n" |
"Pragma: no-cache\r\n" |
"Pragma: no-cache\r\n" |
"\r\n"); |
"\r\n"); |
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fflush(stdout); |
fflush(stdout); |
} |
} |
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static void |
static int |
resp_begin_html(int code, const char *msg) |
resp_copy(const char *element, const char *filename) |
{ |
{ |
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char buf[4096]; |
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ssize_t sz; |
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int fd; |
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if ((fd = open(filename, O_RDONLY)) == -1) |
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return 0; |
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if (element != NULL) |
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printf("<%s>\n", element); |
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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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close(fd); |
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return 1; |
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} |
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static int |
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resp_begin_html(int code, const char *msg, const char *file) |
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{ |
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const char *name, *sec, *cp; |
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int namesz, secsz; |
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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" |
" <meta name=\"viewport\"" |
"<META HTTP-EQUIV=\"Content-Type\"" |
" content=\"width=device-width, initial-scale=1.0\">\n" |
" CONTENT=\"text/html; charset=utf-8\">\n" |
" <link rel=\"stylesheet\" href=\"%s/mandoc.css\"" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\"" |
" type=\"text/css\" media=\"all\">\n" |
" TYPE=\"text/css\" media=\"all\">\n" |
" <title>", |
"<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" |
CSS_DIR); |
" TYPE=\"text/css\" media=\"all\">\n" |
if (file != NULL) { |
"<TITLE>%s</TITLE>\n" |
cp = strrchr(file, '/'); |
"</HEAD>\n" |
name = cp == NULL ? file : cp + 1; |
"<BODY>\n" |
cp = strrchr(name, '.'); |
"<!-- Begin page content. //-->\n", |
namesz = cp == NULL ? strlen(name) : cp - name; |
CSS_DIR, CSS_DIR, CUSTOMIZE_TITLE); |
sec = NULL; |
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if (cp != NULL && cp[1] != '0') { |
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sec = cp + 1; |
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secsz = strlen(sec); |
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} else if (name - file > 1) { |
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for (cp = name - 2; cp >= file; cp--) { |
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if (*cp < '1' || *cp > '9') |
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continue; |
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sec = cp; |
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secsz = name - cp - 1; |
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break; |
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} |
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} |
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printf("%.*s", namesz, name); |
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if (sec != NULL) |
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printf("(%.*s)", secsz, sec); |
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fputs(" - ", stdout); |
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} |
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printf("%s</title>\n" |
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"</head>\n" |
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"<body>\n", |
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CUSTOMIZE_TITLE); |
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return resp_copy("header", MAN_DIR "/header.html"); |
} |
} |
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static void |
static void |
resp_end_html(void) |
resp_end_html(void) |
{ |
{ |
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if (resp_copy("footer", MAN_DIR "/footer.html")) |
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puts("</footer>"); |
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puts("</BODY>\n" |
puts("</body>\n" |
"</HTML>"); |
"</html>"); |
} |
} |
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static void |
static void |
resp_searchform(const struct req *req) |
resp_searchform(const struct req *req, enum focus focus) |
{ |
{ |
int i; |
int i; |
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puts(CUSTOMIZE_BEGIN); |
printf("<form role=\"search\" action=\"/%s\" method=\"get\" " |
puts("<!-- Begin search form. //-->"); |
"autocomplete=\"off\" autocapitalize=\"none\">\n" |
printf("<DIV ID=\"mancgi\">\n" |
" <fieldset>\n" |
"<FORM ACTION=\"%s\" METHOD=\"get\">\n" |
" <legend>Manual Page Search Parameters</legend>\n", |
"<FIELDSET>\n" |
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"<LEGEND>Manual Page Search Parameters</LEGEND>\n", |
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scriptname); |
scriptname); |
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/* Write query input box. */ |
/* Write query input box. */ |
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printf( "<TABLE><TR><TD>\n" |
printf(" <label>Search query:\n" |
"<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\""); |
" <input type=\"search\" name=\"query\" value=\""); |
if (NULL != req->q.query) |
if (req->q.query != NULL) |
html_print(req->q.query); |
html_print(req->q.query); |
puts("\" SIZE=\"40\">"); |
printf("\" size=\"40\""); |
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if (focus == FOCUS_QUERY) |
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printf(" autofocus"); |
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puts(">\n </label>"); |
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/* Write submission and reset buttons. */ |
/* Write submission buttons. */ |
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printf( "<INPUT TYPE=\"submit\" VALUE=\"Submit\">\n" |
printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">" |
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n"); |
"man</button>\n" |
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" <button type=\"submit\" name=\"apropos\" value=\"1\">" |
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"apropos</button>\n" |
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" <br/>\n"); |
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/* Write show radio button */ |
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printf( "</TD><TD>\n" |
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"<INPUT TYPE=\"radio\" "); |
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if (req->q.equal) |
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printf("CHECKED=\"checked\" "); |
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printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n" |
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"<LABEL FOR=\"show\">Show named manual page</LABEL>\n"); |
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/* Write section selector. */ |
/* Write section selector. */ |
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puts( "</TD></TR><TR><TD>\n" |
puts(" <select name=\"sec\" aria-label=\"Manual section\">"); |
"<SELECT NAME=\"sec\">"); |
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for (i = 0; i < sec_MAX; i++) { |
for (i = 0; i < sec_MAX; i++) { |
printf("<OPTION VALUE=\"%s\"", sec_numbers[i]); |
printf(" <option value=\"%s\"", sec_numbers[i]); |
if (NULL != req->q.sec && |
if (NULL != req->q.sec && |
0 == strcmp(sec_numbers[i], req->q.sec)) |
0 == strcmp(sec_numbers[i], req->q.sec)) |
printf(" SELECTED=\"selected\""); |
printf(" selected=\"selected\""); |
printf(">%s</OPTION>\n", sec_names[i]); |
printf(">%s</option>\n", sec_names[i]); |
} |
} |
puts("</SELECT>"); |
puts(" </select>"); |
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/* Write architecture selector. */ |
/* Write architecture selector. */ |
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printf( "<SELECT NAME=\"arch\">\n" |
printf( " <select name=\"arch\" aria-label=\"CPU architecture\">\n" |
"<OPTION VALUE=\"default\""); |
" <option value=\"default\""); |
if (NULL == req->q.arch) |
if (NULL == req->q.arch) |
printf(" SELECTED=\"selected\""); |
printf(" selected=\"selected\""); |
puts(">All Architectures</OPTION>"); |
puts(">All Architectures</option>"); |
for (i = 0; i < arch_MAX; i++) { |
for (i = 0; i < arch_MAX; i++) { |
printf("<OPTION VALUE=\"%s\"", arch_names[i]); |
printf(" <option"); |
if (NULL != req->q.arch && |
if (NULL != req->q.arch && |
0 == strcmp(arch_names[i], req->q.arch)) |
0 == strcmp(arch_names[i], req->q.arch)) |
printf(" SELECTED=\"selected\""); |
printf(" selected=\"selected\""); |
printf(">%s</OPTION>\n", arch_names[i]); |
printf(">%s</option>\n", arch_names[i]); |
} |
} |
puts("</SELECT>"); |
puts(" </select>"); |
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/* Write manpath selector. */ |
/* Write manpath selector. */ |
|
|
if (req->psz > 1) { |
if (req->psz > 1) { |
puts("<SELECT NAME=\"manpath\">"); |
puts(" <select name=\"manpath\"" |
|
" aria-label=\"Manual path\">"); |
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(">"); |
printf("VALUE=\""); |
|
html_print(req->p[i]); |
html_print(req->p[i]); |
printf("\">"); |
puts("</option>"); |
html_print(req->p[i]); |
|
puts("</OPTION>"); |
|
} |
} |
puts("</SELECT>"); |
puts(" </select>"); |
} |
} |
|
|
/* Write search radio button */ |
puts(" </fieldset>\n" |
|
"</form>"); |
printf( "</TD><TD>\n" |
|
"<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. //-->"); |
|
} |
} |
|
|
static int |
static int |
Line 507 validate_urifrag(const char *frag) |
|
Line 517 validate_urifrag(const char *frag) |
|
if ( ! (isalnum((unsigned char)*frag) || |
if ( ! (isalnum((unsigned char)*frag) || |
'-' == *frag || '.' == *frag || |
'-' == *frag || '.' == *frag || |
'/' == *frag || '_' == *frag)) |
'/' == *frag || '_' == *frag)) |
return(0); |
return 0; |
frag++; |
frag++; |
} |
} |
return(1); |
return 1; |
} |
} |
|
|
static int |
static int |
Line 518 validate_manpath(const struct req *req, const char* ma |
|
Line 528 validate_manpath(const struct req *req, const char* ma |
|
{ |
{ |
size_t i; |
size_t i; |
|
|
if ( ! strcmp(manpath, "mandoc")) |
|
return(1); |
|
|
|
for (i = 0; i < req->psz; i++) |
for (i = 0; i < req->psz; i++) |
if ( ! strcmp(manpath, req->p[i])) |
if ( ! strcmp(manpath, req->p[i])) |
return(1); |
return 1; |
|
|
return(0); |
return 0; |
} |
} |
|
|
static int |
static int |
|
validate_arch(const char *arch) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < arch_MAX; i++) |
|
if (strcmp(arch, arch_names[i]) == 0) |
|
return 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int |
validate_filename(const char *file) |
validate_filename(const char *file) |
{ |
{ |
|
|
if ('.' == file[0] && '/' == file[1]) |
if ('.' == file[0] && '/' == file[1]) |
file += 2; |
file += 2; |
|
|
return ( ! (strstr(file, "../") || strstr(file, "/..") || |
return ! (strstr(file, "../") || strstr(file, "/..") || |
(strncmp(file, "man", 3) && strncmp(file, "cat", 3)))); |
(strncmp(file, "man", 3) && strncmp(file, "cat", 3))); |
} |
} |
|
|
static void |
static void |
pg_index(const struct req *req) |
pg_index(const struct req *req) |
{ |
{ |
|
if (resp_begin_html(200, NULL, NULL) == 0) |
resp_begin_html(200, NULL); |
puts("<header>"); |
resp_searchform(req); |
resp_searchform(req, FOCUS_QUERY); |
printf("<P>\n" |
printf("</header>\n" |
|
"<main>\n" |
|
"<p role=\"doc-notice\" aria-label=\"Usage\">\n" |
"This web interface is documented in the\n" |
"This web interface is documented in the\n" |
"<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A>\n" |
"<a class=\"Xr\" href=\"/%s%sman.cgi.8\"" |
|
" aria-label=\"man dot CGI, section 8\">man.cgi(8)</a>\n" |
"manual, and the\n" |
"manual, and the\n" |
"<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A>\n" |
"<a class=\"Xr\" href=\"/%s%sapropos.1\"" |
|
" aria-label=\"apropos, section 1\">apropos(1)</a>\n" |
"manual explains the query syntax.\n" |
"manual explains the query syntax.\n" |
"</P>\n", |
"</p>\n" |
scriptname, scriptname); |
"</main>\n", |
|
scriptname, *scriptname == '\0' ? "" : "/", |
|
scriptname, *scriptname == '\0' ? "" : "/"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
pg_noresult(const struct req *req, const char *msg) |
pg_noresult(const struct req *req, int code, const char *http_msg, |
|
const char *user_msg) |
{ |
{ |
resp_begin_html(200, NULL); |
if (resp_begin_html(code, http_msg, NULL) == 0) |
resp_searchform(req); |
puts("<header>"); |
puts("<P>"); |
resp_searchform(req, FOCUS_QUERY); |
puts(msg); |
puts("</header>"); |
puts("</P>"); |
puts("<main>"); |
|
puts("<p role=\"doc-notice\" aria-label=\"No result\">"); |
|
puts(user_msg); |
|
puts("</p>"); |
|
puts("</main>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
pg_error_badrequest(const char *msg) |
pg_error_badrequest(const char *msg) |
{ |
{ |
|
if (resp_begin_html(400, "Bad Request", NULL)) |
resp_begin_html(400, "Bad Request"); |
puts("</header>"); |
puts("<H1>Bad Request</H1>\n" |
puts("<main>\n" |
"<P>\n"); |
"<h1>Bad Request</h1>\n" |
|
"<p role=\"doc-notice\" aria-label=\"Bad Request\">"); |
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>\n" |
|
"</main>\n", scriptname); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
pg_error_internal(void) |
pg_error_internal(void) |
{ |
{ |
resp_begin_html(500, "Internal Server Error"); |
if (resp_begin_html(500, "Internal Server Error", NULL)) |
puts("<P>Internal Server Error</P>"); |
puts("</header>"); |
|
puts("<main><p role=\"doc-notice\">Internal Server Error</p></main>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
|
pg_redirect(const struct req *req, const char *name) |
|
{ |
|
printf("Status: 303 See Other\r\n" |
|
"Location: /"); |
|
if (*scriptname != '\0') |
|
printf("%s/", scriptname); |
|
if (strcmp(req->q.manpath, req->p[0])) |
|
printf("%s/", req->q.manpath); |
|
if (req->q.arch != NULL) |
|
printf("%s/", req->q.arch); |
|
http_encode(name); |
|
if (req->q.sec != NULL) { |
|
putchar('.'); |
|
http_encode(req->q.sec); |
|
} |
|
printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n"); |
|
} |
|
|
|
static void |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
{ |
{ |
char *arch, *archend; |
char *arch, *archend; |
size_t i, iuse, isec; |
const char *sec; |
|
size_t i, iuse; |
int archprio, archpriouse; |
int archprio, archpriouse; |
int prio, priouse; |
int prio, priouse; |
char sec; |
int have_header; |
|
|
for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
if (validate_filename(r[i].file)) |
if (validate_filename(r[i].file)) |
continue; |
continue; |
fprintf(stderr, "invalid filename %s in %s database\n", |
warnx("invalid filename %s in %s database", |
r[i].file, req->q.manpath); |
r[i].file, req->q.manpath); |
pg_error_internal(); |
pg_error_internal(); |
return; |
return; |
} |
} |
|
|
if (1 == sz) { |
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. |
*/ |
*/ |
printf("Status: 303 See Other\r\n"); |
printf("Status: 303 See Other\r\n" |
printf("Location: http://%s%s/%s/%s?", |
"Location: /"); |
HTTP_HOST, scriptname, req->q.manpath, r[0].file); |
if (*scriptname != '\0') |
http_printquery(req, "&"); |
printf("%s/", scriptname); |
printf("\r\n" |
if (strcmp(req->q.manpath, req->p[0])) |
"Content-Type: text/html; charset=utf-8\r\n" |
printf("%s/", req->q.manpath); |
"\r\n"); |
printf("%s\r\n" |
|
"Content-Type: text/html; charset=utf-8\r\n\r\n", |
|
r[0].file); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
|
resp_searchform(req); |
|
puts("<DIV CLASS=\"results\">"); |
|
puts("<TABLE>"); |
|
|
|
for (i = 0; i < sz; i++) { |
|
printf("<TR>\n" |
|
"<TD CLASS=\"title\">\n" |
|
"<A HREF=\"%s/%s/%s?", |
|
scriptname, req->q.manpath, r[i].file); |
|
http_printquery(req, "&"); |
|
printf("\">"); |
|
html_print(r[i].names); |
|
printf("</A>\n" |
|
"</TD>\n" |
|
"<TD CLASS=\"desc\">"); |
|
html_print(r[i].output); |
|
puts("</TD>\n" |
|
"</TR>"); |
|
} |
|
|
|
puts("</TABLE>\n" |
|
"</DIV>"); |
|
|
|
/* |
/* |
* In man(1) mode, show one of the pages |
* In man(1) mode, show one of the pages |
* even if more than one is found. |
* even if more than one is found. |
*/ |
*/ |
|
|
if (req->q.equal) { |
iuse = 0; |
puts("<HR>"); |
if (req->q.equal || sz == 1) { |
iuse = 0; |
priouse = 20; |
priouse = 10; |
|
archpriouse = 3; |
archpriouse = 3; |
for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
isec = strcspn(r[i].file, "123456789"); |
sec = r[i].file; |
sec = r[i].file[isec]; |
sec += strcspn(sec, "123456789"); |
if ('\0' == sec) |
if (sec[0] == '\0') |
continue; |
continue; |
prio = sec_prios[sec - '1']; |
prio = sec_prios[sec[0] - '1']; |
if (NULL == req->q.arch) { |
if (sec[1] != '/') |
|
prio += 10; |
|
if (req->q.arch == NULL) { |
archprio = |
archprio = |
(NULL == (arch = strchr( |
((arch = strchr(sec + 1, '/')) |
r[i].file + isec, '/'))) ? 3 : |
== NULL) ? 3 : |
(NULL == (archend = strchr( |
((archend = strchr(arch + 1, '/')) |
arch + 1, '/'))) ? 0 : |
== NULL) ? 0 : |
strncmp(arch, "amd64/", |
strncmp(arch, "amd64/", |
archend - arch) ? 2 : 1; |
archend - arch) ? 2 : 1; |
if (archprio < archpriouse) { |
if (archprio < archpriouse) { |
Line 684 pg_searchres(const struct req *req, struct manpage *r, |
|
Line 716 pg_searchres(const struct req *req, struct manpage *r, |
|
priouse = prio; |
priouse = prio; |
iuse = i; |
iuse = i; |
} |
} |
|
have_header = resp_begin_html(200, NULL, r[iuse].file); |
|
} else |
|
have_header = resp_begin_html(200, NULL, NULL); |
|
|
|
if (have_header == 0) |
|
puts("<header>"); |
|
resp_searchform(req, |
|
req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY); |
|
puts("</header>"); |
|
|
|
if (sz > 1) { |
|
puts("<nav>"); |
|
puts("<table class=\"results\">"); |
|
for (i = 0; i < sz; i++) { |
|
printf(" <tr>\n" |
|
" <td>" |
|
"<a class=\"Xr\" href=\"/"); |
|
if (*scriptname != '\0') |
|
printf("%s/", scriptname); |
|
if (strcmp(req->q.manpath, req->p[0])) |
|
printf("%s/", req->q.manpath); |
|
printf("%s\">", r[i].file); |
|
html_print(r[i].names); |
|
printf("</a></td>\n" |
|
" <td><span class=\"Nd\">"); |
|
html_print(r[i].output); |
|
puts("</span></td>\n" |
|
" </tr>"); |
|
} |
|
puts("</table>"); |
|
puts("</nav>"); |
|
} |
|
|
|
if (req->q.equal || sz == 1) { |
|
puts("<hr>"); |
resp_show(req, r[iuse].file); |
resp_show(req, r[iuse].file); |
} |
} |
|
|
Line 691 pg_searchres(const struct req *req, struct manpage *r, |
|
Line 758 pg_searchres(const struct req *req, struct manpage *r, |
|
} |
} |
|
|
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) { |
puts("<P>You specified an invalid manual file.</P>"); |
puts("<p role=\"doc-notice\">\n" |
|
" You specified an invalid manual file.\n" |
|
"</p>"); |
return; |
return; |
} |
} |
|
|
puts("<DIV CLASS=\"catman\">\n" |
puts("<div class=\"catman\">\n" |
"<PRE>"); |
"<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 728 catman(const struct req *req, const char *file) |
|
Line 801 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 751 catman(const struct req *req, const char *file) |
|
Line 824 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 765 catman(const struct req *req, const char *file) |
|
Line 838 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 779 catman(const struct req *req, const char *file) |
|
Line 852 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 789 catman(const struct req *req, const char *file) |
|
Line 862 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>"); |
"</div>"); |
|
|
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; |
struct mdoc *mdoc; |
struct roff_meta *meta; |
struct man *man; |
|
void *vp; |
void *vp; |
char *opts; |
|
enum mandoclevel rc; |
|
int fd; |
int fd; |
int usepath; |
int usepath; |
|
|
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY))) { |
puts("<P>You specified an invalid manual file.</P>"); |
puts("<p role=\"doc-notice\">\n" |
|
" You specified an invalid manual file.\n" |
|
"</p>"); |
return; |
return; |
} |
} |
|
|
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL, |
mchars_alloc(); |
req->q.manpath); |
mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 | |
rc = mparse_readfd(mp, fd, file); |
MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath); |
|
mparse_readfd(mp, fd, file); |
close(fd); |
close(fd); |
|
meta = mparse_result(mp); |
|
|
if (rc >= MANDOCLEVEL_FATAL) { |
memset(&conf, 0, sizeof(conf)); |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
conf.fragment = 1; |
req->q.manpath, file); |
conf.style = mandoc_strdup(CSS_DIR "/mandoc.css"); |
pg_error_internal(); |
|
return; |
|
} |
|
|
|
usepath = strcmp(req->q.manpath, req->p[0]); |
usepath = strcmp(req->q.manpath, req->p[0]); |
mandoc_asprintf(&opts, |
mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S", |
"fragment,man=%s?query=%%N&sec=%%S%s%s%s%s", |
scriptname, *scriptname == '\0' ? "" : "/", |
scriptname, |
usepath ? req->q.manpath : "", usepath ? "/" : ""); |
req->q.arch ? "&arch=" : "", |
|
req->q.arch ? req->q.arch : "", |
|
usepath ? "&manpath=" : "", |
|
usepath ? req->q.manpath : ""); |
|
|
|
mparse_result(mp, &mdoc, &man, NULL); |
vp = html_alloc(&conf); |
if (NULL == man && NULL == mdoc) { |
if (meta->macroset == MACROSET_MDOC) |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
html_mdoc(vp, meta); |
req->q.manpath, file); |
|
pg_error_internal(); |
|
mparse_free(mp); |
|
return; |
|
} |
|
|
|
vp = html_alloc(opts); |
|
|
|
if (NULL != mdoc) |
|
html_mdoc(vp, mdoc); |
|
else |
else |
html_man(vp, man); |
html_man(vp, meta); |
|
|
html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
free(opts); |
mchars_free(); |
|
free(conf.man); |
|
free(conf.style); |
} |
} |
|
|
static void |
static void |
Line 889 resp_show(const struct req *req, const char *file) |
|
Line 949 resp_show(const struct req *req, const char *file) |
|
file += 2; |
file += 2; |
|
|
if ('c' == *file) |
if ('c' == *file) |
catman(req, file); |
resp_catman(req, file); |
else |
else |
format(req, file); |
resp_format(req, file); |
} |
} |
|
|
static void |
static void |
Line 904 pg_show(struct req *req, const char *fullpath) |
|
Line 964 pg_show(struct req *req, const char *fullpath) |
|
pg_error_badrequest( |
pg_error_badrequest( |
"You did not specify a page to show."); |
"You did not specify a page to show."); |
return; |
return; |
} |
} |
manpath = mandoc_strndup(fullpath, file - fullpath); |
manpath = mandoc_strndup(fullpath, file - fullpath); |
file++; |
file++; |
|
|
Line 922 pg_show(struct req *req, const char *fullpath) |
|
Line 982 pg_show(struct req *req, const char *fullpath) |
|
*/ |
*/ |
|
|
if (chdir(manpath) == -1) { |
if (chdir(manpath) == -1) { |
fprintf(stderr, "chdir %s: %s\n", |
warn("chdir %s", manpath); |
manpath, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
free(manpath); |
free(manpath); |
return; |
return; |
} |
} |
|
free(manpath); |
|
|
if (strcmp(manpath, "mandoc")) { |
|
free(req->q.manpath); |
|
req->q.manpath = manpath; |
|
} else |
|
free(manpath); |
|
|
|
if ( ! validate_filename(file)) { |
if ( ! validate_filename(file)) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid manual file."); |
"You specified an invalid manual file."); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
if (resp_begin_html(200, NULL, file) == 0) |
resp_searchform(req); |
puts("<header>"); |
|
resp_searchform(req, FOCUS_NONE); |
|
puts("</header>"); |
resp_show(req, file); |
resp_show(req, file); |
resp_end_html(); |
resp_end_html(); |
} |
} |
Line 953 pg_search(const struct req *req) |
|
Line 1009 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 964 pg_search(const struct req *req) |
|
Line 1020 pg_search(const struct req *req) |
|
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == (chdir(req->q.manpath))) { |
if (chdir(req->q.manpath) == -1) { |
fprintf(stderr, "chdir %s: %s\n", |
warn("chdir %s", req->q.manpath); |
req->q.manpath, strerror(errno)); |
|
pg_error_internal(); |
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 = req->q.equal ? TYPE_Nm : (TYPE_Nm | TYPE_Nd); |
search.outkey = "Nd"; |
search.flags = req->q.equal ? MANSEARCH_MAN : 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.query; |
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)) |
res = NULL; |
pg_noresult(req, "You entered an invalid query."); |
ressz = 0; |
else if (0 == ressz) |
if (req->isquery && req->q.equal && argc == 1) |
pg_noresult(req, "No results found."); |
pg_redirect(req, argv[0]); |
|
else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0) |
|
pg_noresult(req, 400, "Bad Request", |
|
"You entered an invalid query."); |
|
else if (ressz == 0) |
|
pg_noresult(req, 404, "Not Found", "No results found."); |
else |
else |
pg_searchres(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); |
} |
} |
|
|
main(void) |
main(void) |
{ |
{ |
struct req req; |
struct req req; |
|
struct itimerval itimer; |
const char *path; |
const char *path; |
const char *querystring; |
const char *querystring; |
int i; |
int i; |
|
|
/* Scan our run-time environment. */ |
#if HAVE_PLEDGE |
|
/* |
|
* The "rpath" pledge could be revoked after mparse_readfd() |
|
* if the file desciptor to "/footer.html" would be opened |
|
* up front, but it's probably not worth the complication |
|
* of the code it would cause: it would require scattering |
|
* pledge() calls in multiple low-level resp_*() functions. |
|
*/ |
|
|
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
if (pledge("stdio rpath", NULL) == -1) { |
scriptname = ""; |
warn("pledge"); |
|
pg_error_internal(); |
|
return EXIT_FAILURE; |
|
} |
|
#endif |
|
|
if ( ! validate_urifrag(scriptname)) { |
/* Poor man's ReDoS mitigation. */ |
fprintf(stderr, "unsafe SCRIPT_NAME \"%s\"\n", |
|
scriptname); |
itimer.it_value.tv_sec = 2; |
|
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(); |
pg_error_internal(); |
return(EXIT_FAILURE); |
return EXIT_FAILURE; |
} |
} |
|
|
/* |
/* |
|
|
* relative to the same position. |
* relative to the same position. |
*/ |
*/ |
|
|
if (-1 == chdir(MAN_DIR)) { |
if (chdir(MAN_DIR) == -1) { |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
warn("MAN_DIR: %s", MAN_DIR); |
MAN_DIR, strerror(errno)); |
|
pg_error_internal(); |
pg_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 ( ! (NULL == req.q.manpath || |
if (*path != '\0') { |
validate_manpath(&req, req.q.manpath))) { |
parse_path_info(&req, path); |
|
if (req.q.manpath == NULL || req.q.sec == NULL || |
|
*req.q.query == '\0' || access(path, F_OK) == -1) |
|
path = ""; |
|
} else if ((querystring = getenv("QUERY_STRING")) != NULL) |
|
parse_query_string(&req, querystring); |
|
|
|
/* Validate parsed data and add defaults. */ |
|
|
|
if (req.q.manpath == NULL) |
|
req.q.manpath = mandoc_strdup(req.p[0]); |
|
else if ( ! validate_manpath(&req, req.q.manpath)) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid manpath."); |
"You specified an invalid manpath."); |
return(EXIT_FAILURE); |
return EXIT_FAILURE; |
} |
} |
|
|
if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid architecture."); |
"You specified an invalid architecture."); |
return(EXIT_FAILURE); |
return EXIT_FAILURE; |
} |
} |
|
|
/* Dispatch to the three different pages. */ |
/* Dispatch to the three different pages. */ |
|
|
path = getenv("PATH_INFO"); |
|
if (NULL == path) |
|
path = ""; |
|
else if ('/' == *path) |
|
path++; |
|
|
|
if ('\0' != *path) |
if ('\0' != *path) |
pg_show(&req, path); |
pg_show(&req, path); |
else if (NULL != req.q.query) |
else if (NULL != req.q.query) |
|
|
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; |
} |
} |
|
|
/* |
/* |
|
* Translate PATH_INFO to a query. |
|
*/ |
|
static void |
|
parse_path_info(struct req *req, const char *path) |
|
{ |
|
const char *name, *sec, *end; |
|
|
|
req->isquery = 0; |
|
req->q.equal = 1; |
|
req->q.manpath = NULL; |
|
req->q.arch = NULL; |
|
|
|
/* Mandatory manual page name. */ |
|
if ((name = strrchr(path, '/')) == NULL) |
|
name = path; |
|
else |
|
name++; |
|
|
|
/* Optional trailing section. */ |
|
sec = strrchr(name, '.'); |
|
if (sec != NULL && isdigit((unsigned char)*++sec)) { |
|
req->q.query = mandoc_strndup(name, sec - name - 1); |
|
req->q.sec = mandoc_strdup(sec); |
|
} else { |
|
req->q.query = mandoc_strdup(name); |
|
req->q.sec = NULL; |
|
} |
|
|
|
/* Handle the case of name[.section] only. */ |
|
if (name == path) |
|
return; |
|
|
|
/* Optional manpath. */ |
|
end = strchr(path, '/'); |
|
req->q.manpath = mandoc_strndup(path, end - path); |
|
if (validate_manpath(req, req->q.manpath)) { |
|
path = end + 1; |
|
if (name == path) |
|
return; |
|
} else { |
|
free(req->q.manpath); |
|
req->q.manpath = NULL; |
|
} |
|
|
|
/* Optional section. */ |
|
if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) { |
|
path += 3; |
|
end = strchr(path, '/'); |
|
free(req->q.sec); |
|
req->q.sec = mandoc_strndup(path, end - path); |
|
path = end + 1; |
|
if (name == path) |
|
return; |
|
} |
|
|
|
/* Optional architecture. */ |
|
end = strchr(path, '/'); |
|
if (end + 1 != name) { |
|
pg_error_badrequest( |
|
"You specified too many directory components."); |
|
exit(EXIT_FAILURE); |
|
} |
|
req->q.arch = mandoc_strndup(path, end - path); |
|
if (validate_arch(req->q.arch) == 0) { |
|
pg_error_badrequest( |
|
"You specified an invalid directory component."); |
|
exit(EXIT_FAILURE); |
|
} |
|
} |
|
|
|
/* |
* 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) { |
fprintf(stderr, "%s/manpath.conf: %s\n", |
warn("%s/manpath.conf", MAN_DIR); |
MAN_DIR, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
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 *)); |
dp = mandoc_strndup(dp, dpsz); |
|
if ( ! validate_urifrag(dp)) { |
if ( ! validate_urifrag(dp)) { |
fprintf(stderr, "%s/manpath.conf contains " |
warnx("%s/manpath.conf contains " |
"unsafe path \"%s\"\n", MAN_DIR, dp); |
"unsafe path \"%s\"", MAN_DIR, dp); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
if (NULL != strchr(dp, '/')) { |
if (strchr(dp, '/') != NULL) { |
fprintf(stderr, "%s/manpath.conf contains " |
warnx("%s/manpath.conf contains " |
"path with slash \"%s\"\n", MAN_DIR, dp); |
"path with slash \"%s\"", MAN_DIR, dp); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
req->p[req->psz++] = dp; |
req->p[req->psz++] = dp; |
|
dp = NULL; |
|
dpsz = 0; |
} |
} |
|
free(dp); |
|
|
if ( req->p == NULL ) { |
if (req->p == NULL) { |
fprintf(stderr, "%s/manpath.conf is empty\n", MAN_DIR); |
warnx("%s/manpath.conf is empty", MAN_DIR); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |