version 1.88, 2014/07/25 18:20:39 |
version 1.95, 2014/08/21 16:05:21 |
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* 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> |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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static void catman(const struct req *, const char *); |
static void catman(const struct req *, const char *); |
static void format(const struct req *, const char *); |
static void format(const struct req *, const char *); |
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 *, const char *); |
static void http_parse(struct req *, const char *); |
static void http_print(const char *); |
static void http_print(const char *); |
static void http_putchar(char); |
static void http_putchar(char); |
static void http_printquery(const struct req *); |
static void http_printquery(const struct req *, const char *); |
static void pathgen(struct req *); |
static void pathgen(struct req *); |
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); |
Line 145 html_putchar(char c) |
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Line 146 html_putchar(char c) |
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} |
} |
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static void |
static void |
http_printquery(const struct req *req) |
http_printquery(const struct req *req, const char *sep) |
{ |
{ |
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if (NULL != req->q.query) { |
if (NULL != req->q.query) { |
Line 153 http_printquery(const struct req *req) |
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Line 154 http_printquery(const struct req *req) |
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http_print(req->q.query); |
http_print(req->q.query); |
} |
} |
if (0 == req->q.equal) |
if (0 == req->q.equal) |
printf("&apropos=1"); |
printf("%sapropos=1", sep); |
if (NULL != req->q.sec) { |
if (NULL != req->q.sec) { |
printf("&sec="); |
printf("%ssec=", sep); |
http_print(req->q.sec); |
http_print(req->q.sec); |
} |
} |
if (NULL != req->q.arch) { |
if (NULL != req->q.arch) { |
printf("&arch="); |
printf("%sarch=", sep); |
http_print(req->q.arch); |
http_print(req->q.arch); |
} |
} |
if (NULL != req->q.manpath && |
if (NULL != req->q.manpath && |
strcmp(req->q.manpath, req->p[0])) { |
strcmp(req->q.manpath, req->p[0])) { |
printf("&manpath="); |
printf("%smanpath=", sep); |
http_print(req->q.manpath); |
http_print(req->q.manpath); |
} |
} |
} |
} |
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static void |
static void |
html_printquery(const struct req *req) |
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{ |
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if (NULL != req->q.query) { |
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printf("query="); |
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html_print(req->q.query); |
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} |
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if (0 == req->q.equal) |
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printf("&apropos=1"); |
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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.manpath && |
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strcmp(req->q.manpath, req->p[0])) { |
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printf("&manpath="); |
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html_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) |
http_print(const char *p) |
{ |
{ |
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Line 640 pg_searchres(const struct req *req, struct manpage *r, |
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Line 616 pg_searchres(const struct req *req, struct manpage *r, |
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printf("Status: 303 See Other\r\n"); |
printf("Status: 303 See Other\r\n"); |
printf("Location: http://%s%s/%s/%s?", |
printf("Location: http://%s%s/%s/%s?", |
HTTP_HOST, scriptname, req->q.manpath, r[0].file); |
HTTP_HOST, scriptname, req->q.manpath, r[0].file); |
http_printquery(req); |
http_printquery(req, "&"); |
printf("\r\n" |
printf("\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
"\r\n"); |
"\r\n"); |
Line 657 pg_searchres(const struct req *req, struct manpage *r, |
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Line 633 pg_searchres(const struct req *req, struct manpage *r, |
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"<TD CLASS=\"title\">\n" |
"<TD CLASS=\"title\">\n" |
"<A HREF=\"%s/%s/%s?", |
"<A HREF=\"%s/%s/%s?", |
scriptname, req->q.manpath, r[i].file); |
scriptname, req->q.manpath, r[i].file); |
html_printquery(req); |
http_printquery(req, "&"); |
printf("\">"); |
printf("\">"); |
html_print(r[i].names); |
html_print(r[i].names); |
printf("</A>\n" |
printf("</A>\n" |
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format(const struct req *req, const char *file) |
format(const struct req *req, const char *file) |
{ |
{ |
struct mparse *mp; |
struct mparse *mp; |
int fd; |
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struct mdoc *mdoc; |
struct mdoc *mdoc; |
struct man *man; |
struct man *man; |
void *vp; |
void *vp; |
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char *opts; |
enum mandoclevel rc; |
enum mandoclevel rc; |
char opts[PATH_MAX + 128]; |
int fd; |
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int usepath; |
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if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
puts("<P>You specified an invalid manual file.</P>"); |
puts("<P>You specified an invalid manual file.</P>"); |
Line 875 format(const struct req *req, const char *file) |
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Line 852 format(const struct req *req, const char *file) |
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return; |
return; |
} |
} |
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snprintf(opts, sizeof(opts), "fragment,man=%s?" |
usepath = strcmp(req->q.manpath, req->p[0]); |
"manpath=%s&query=%%N&sec=%%S%s%s", |
mandoc_asprintf(&opts, |
scriptname, req->q.manpath, |
"fragment,man=%s?query=%%N&sec=%%S%s%s%s%s", |
req->q.arch ? "&arch=" : "", |
scriptname, |
req->q.arch ? req->q.arch : ""); |
req->q.arch ? "&arch=" : "", |
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req->q.arch ? req->q.arch : "", |
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usepath ? "&manpath=" : "", |
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usepath ? req->q.manpath : ""); |
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mparse_result(mp, &mdoc, &man, NULL); |
mparse_result(mp, &mdoc, &man, NULL); |
if (NULL == man && NULL == mdoc) { |
if (NULL == man && NULL == mdoc) { |
Line 899 format(const struct req *req, const char *file) |
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Line 879 format(const struct req *req, const char *file) |
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html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
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free(opts); |
} |
} |
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static void |
static void |
Line 993 pg_search(const struct req *req) |
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Line 974 pg_search(const struct req *req) |
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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; |
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paths.sz = 1; |
paths.sz = 1; |
paths.paths = mandoc_malloc(sizeof(char *)); |
paths.paths = mandoc_malloc(sizeof(char *)); |
Line 1023 pg_search(const struct req *req) |
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Line 1004 pg_search(const struct req *req) |
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ep++; |
ep++; |
} |
} |
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if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) |
if (0 == mansearch(&search, &paths, sz, cp, &res, &ressz)) |
pg_noresult(req, "You entered an invalid query."); |
pg_noresult(req, "You entered an invalid query."); |
else if (0 == ressz) |
else if (0 == ressz) |
pg_noresult(req, "No results found."); |
pg_noresult(req, "No results found."); |
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main(void) |
main(void) |
{ |
{ |
struct req req; |
struct req req; |
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struct itimerval itimer; |
const char *path; |
const char *path; |
const char *querystring; |
const char *querystring; |
int i; |
int i; |
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/* Poor man's ReDoS mitigation. */ |
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itimer.it_value.tv_sec = 1; |
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itimer.it_value.tv_usec = 0; |
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itimer.it_interval.tv_sec = 1; |
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itimer.it_interval.tv_usec = 0; |
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if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
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fprintf(stderr, "setitimer: %s\n", strerror(errno)); |
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pg_error_internal(); |
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return(EXIT_FAILURE); |
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} |
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/* Scan our run-time environment. */ |
/* Scan our run-time environment. */ |
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if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
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if (NULL != (querystring = getenv("QUERY_STRING"))) |
if (NULL != (querystring = getenv("QUERY_STRING"))) |
http_parse(&req, querystring); |
http_parse(&req, querystring); |
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if ( ! validate_manpath(&req, req.q.manpath)) { |
if ( ! (NULL == req.q.manpath || |
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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); |