mirror of https://github.com/dirtbags/moth.git
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "common.h"
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int
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main(int argc, char *argv[])
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{
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char team[TEAM_MAX] = {0};
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char category[CAT_MAX] = {0};
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char points_str[11] = {0};
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char answer[500] = {0};
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long points = 0;
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if (-1 == cgi_init(argv)) {
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return 0;
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}
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/* Read in team and answer */
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while (1) {
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size_t len;
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char key[20];
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len = cgi_item(key, sizeof(key));
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if (0 == len) break;
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switch (key[0]) {
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case 't':
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cgi_item(team, sizeof(team));
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break;
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case 'c':
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cgi_item(category, sizeof(category));
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break;
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case 'p':
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cgi_item(points_str, sizeof(points_str));
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points = atol(points_str);
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break;
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case 'a':
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cgi_item(answer, sizeof(answer));
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break;
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}
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}
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/* Check to see if team exists */
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if (! team_exists(team)) {
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cgi_page("No such team", "");
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}
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/* Validate category name (prevent directory traversal) */
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{
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char *p;
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for (p = category; *p; p += 1) {
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if ((! isalnum(*p)) && ('-' != *p)) {
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cgi_page("Invalid category", "");
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}
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}
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}
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/* Check answer (also assures category exists) */
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{
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char needle[400];
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my_snprintf(needle, sizeof(needle), "%ld %s", points, answer);
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{
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FILE *f = fopen("/tmp/form", "w");
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fprintf(f, "%s\n%s\n", answer, needle);
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fclose(f);
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}
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if (! fgrepx(needle,
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package_path("%s/answers.txt", category))) {
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cgi_page("Wrong answer", "");
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}
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}
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{
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char line[200];
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my_snprintf(line, sizeof(line),
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"%s %s %ld", team, category, points);
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award_and_log_uniquely(team, category, points,
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state_path("puzzles.db"), line);
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}
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cgi_page("Points awarded",
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("<p>%d points for %s.</p>\n"
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"<p><a href=\"/puzzles.html\">Back to puzzles</a></p>\n"
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"<!-- awarded %d -->"),
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points, team, points);
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return 0;
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}
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