147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sqlite3.h>
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inline char *get_filename(const char c) {
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char *qout;
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switch(c) {
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default:
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qout = "queries/mranks.sql";
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break;
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case 'm':
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qout = "queries/mleaderboard-ojoin.sql";
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break;
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case 'p':
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qout = "queries/rplayers.sql";
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break;
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case 't':
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qout = "queries/test.txt";
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break;
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}
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return qout;
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}
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inline void print_tblheader(const char *c) {
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char *out;
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switch (*c) {
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default:
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out = "<TABLE class='center'>\
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<TH class='tablename' COLSPAN='4'> <H3><BR>Map List</H3> </TH>\
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<TR>\
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<TH class='columnname'>Name</TH>\
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<TH class='columnname'>Records</TH>\
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<TH class='columnname'>Best Time</TH>\
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<TH class='columnname'>Held By</TH>\
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</TR>";
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break;
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case 'm':
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out = "<TABLE class='center'>\
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<TH class='tablename' COLSPAN='3'><H3><BR>Leaderboard</H3></TH>\
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<TR>\
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<TH class='columnname'>Rank</TH>\
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<TH class='columnname'>Name</TH>\
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<TH class='columnname'>Time</TH>\
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</TR>";
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break;
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case 'p':
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out = "<TABLE class='center'>\
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<TH class='tablename' COLSPAN='3'> <H3><BR>Ranks</H3> </TH>\
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<TR>\
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<TH class='columnname'>Name</TH>\
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<TH class='columnname'>Map</TH>\
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<TH class='columnname'>Rank</TH>\
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</TR>";
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break;
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}
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printf("%s", out);
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}
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//display and format the results of the query.
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void qresult(sqlite3_stmt *sp, const char *c) {
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int e;
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unsigned int i;
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unsigned int cc = sqlite3_column_count(sp);
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print_tblheader(c);
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while ((e = sqlite3_step(sp)) == SQLITE_ROW) {
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printf("<TR>");
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for (i = 0; i < cc; i++) {
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printf("<TD>%s</TD>", sqlite3_column_text(sp, i));
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}
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printf("</TR>");
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}
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printf("</TABLE>");
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}
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bool executequery(const char *sql, const char *str) {
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const char *p = strchr(str, '=') + 1;
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const char qc = str[0];
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sqlite3 *db;
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char *error;
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int con = sqlite3_open("db/cts.db", &db);
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if (con != SQLITE_OK) {
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fprintf(stderr, "Can not open database: %s\n", sqlite3_errmsg(db));
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return false;
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}
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sqlite3_stmt *s;
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// prepare sql to s, reading until null character.
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con = sqlite3_prepare_v2(db, sql, -1, &s, NULL);
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if (con != SQLITE_OK) {
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fprintf(stderr, "Could not prepare SQL statement: %s\n", sqlite3_errmsg(db));
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return false;
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}
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// bind parameter with a string length that is the # of bytes to null char.
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con = sqlite3_bind_text(s, 1, p, -1, NULL);
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qresult(s, &qc);
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sqlite3_finalize(s);
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sqlite3_close(db);
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return true;
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}
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// both allocates and frees memory used up by the string..
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// containing the data from query files.
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void getquery(const char *qs) {
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char *qf, *qp;
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char *fname = get_filename(qs[0]);
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if (fname != NULL) {
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FILE *f = fopen(fname, "r");
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if (f != NULL && qf != NULL) {
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// change from fseek/SEEK_END when sql queries are >2 GB in size.
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fseek(f, 0, SEEK_END); // go to the end of file
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unsigned int size = ftell(f);
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qf = calloc(size, sizeof(char));
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if (qf != NULL) {
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fseek(f, 0, SEEK_SET); // go to the start of file
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fread(qf, sizeof(char), size, f);
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}
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}
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fclose(f);
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}
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qp = strchr(qs, '=') + 1;
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executequery(qf, qs);
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free(qf);
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}
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void html(void) {
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const char *html_top = "Content-Type: text/html\n\n\
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<html><head><meta content=\"text/html; charset=UTF-8\" />\
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<link rel=\"stylesheet\" type=\"text/css\" href=\"page.css\">\
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<title>/v/ - Xonotic</title>\
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<p class='hidden'>:-) / nice one<br></p>";
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const char *html_bot = "<br><br><p classname='footer'>Pages under construction.<br>\
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Service may sporadically become unavailable.<br>\
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In-game database is not directly synced with this web server.\
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</p>\
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</body></html>";
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printf("%s", html_top);
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// getquery(getenv("QUERY_STRING"));
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getquery("map=pornstar-kaine");
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printf("%s", html_bot);
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}
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int main(void) {
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html();
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// getquery("player=duHTyaSGpdTk7oebwPFoo899xPoTwP9bja4DUjCjTLo=");
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}
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