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/*
SRG - Squid Report Generator
Copyright 2005 University of Waikato
This file is part of SRG.
SRG is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SRG is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SRG; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "srg.h"
#include "prototypes.h"
/* Check the environment for outputting reports */
void check_environment(void)
{
/* Ensure Base Directory Exists */
if (mkdir(srg.outputDir, 0755) == -1) {
if (errno != EEXIST) {
fprintf(stderr, "%s: Error creating base output "
"directory: %s\n", progname, srg.outputDir);
exit(1);
}
}
/* Check for resources directory */
if (access(srg.resourceDir, R_OK)!=0) {
fprintf(stderr, "%s: Unable to access resource directory (%s)!\n",
progname, srg.resourceDir);
exit(1);
}
/* Check for stylesheet file */
if (!file_present(SRG_CSS_FILE, "SRG Default Stylesheet - ")) {
init_file(SRG_CSS_FILE);
}
/* Check for javascript file */
if (srg.usejs && !file_present(SRG_JS_FILE, "SRG Default Javascript - ")) {
init_file(SRG_JS_FILE);
}
/* Check for PHP header / footer if required */
if (srg.outputMode == OUTPUT_PHP) {
if (!file_present(SRG_HEADER_FILE, "SRG Default PHP Header - ")) {
init_file(SRG_HEADER_FILE);
}
if (!file_present(SRG_FOOTER_FILE, "SRG Default PHP Footer - ")) {
init_file(SRG_FOOTER_FILE);
}
}
/* Setup Paths */
asprintf(&srg.phpheader, "%s/%s", srg.outputDir, srg.phpheader);
asprintf(&srg.phpfooter, "%s/%s", srg.outputDir, srg.phpfooter);
asprintf(&srg.cssfile, "%s/%s", srg.outputURL, srg.cssfile);
asprintf(&srg.jsfile, "%s/%s", srg.outputURL, srg.jsfile);
}
/* Copy a file from the resource directory to the base directory */
void init_file(const char *filename)
{
char sfilename[1024] = {'\0'};
char dfilename[1024] = {'\0'};
FILE *source = NULL;
FILE *dest = NULL;
/* Create filenames */
snprintf(&sfilename[0], 1023, "%s/%s", srg.resourceDir, filename);
snprintf(&dfilename[0], 1023, "%s/%s", srg.outputDir, filename);
/* Open files */
source = fopen(sfilename, "r");
if (!source) {
fprintf(stderr, "ERROR: Could not open file: %s\n", sfilename);
exit(1);
}
dest = fopen(dfilename, "w");
if (!dest) {
fprintf(stderr, "ERROR: Could not open file for writing: %s\n",
dfilename);
exit(1);
}
/* Copy data */
while (!feof(source)) {
char *buf[4096] = {'\0'};
int c = fread((void *)&buf[0], 1, 4096, source);
fwrite((void *)&buf[0], 1, c, dest);
}
/* Close files */
fclose(source);
fclose(dest);
}
/* Write the HTML header */
void html_header(FILE *outfile, const char *rootpath) {
/* rootpath is used when the user is generating a stock standard
* report with no outputURL set. Each report sends through a string
* like ../../ that provides a path from the directory that this
* file will reside in to the top level output directory. This string
* is only used if srg.outputURL is not set
*/
char *base="";
if (strlen(srg.outputURL)==0 && strlen(rootpath)>0) {
base = strdup(rootpath);
}
/* Header & Title */
if (srg.outputMode == OUTPUT_PHP) {
/* Include the specified PHP header */
fprintf(outfile, "<?php\ninclude_once('%s');\n?>\n",
srg.phpheader);
if (srg.authenticate) {
fprintf(outfile, "<?php if (can_view(\"-1\")) { "
"?>\n\t");
}
} else {
/* Output a static HTML Header */
fprintf(outfile, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML "
"4.01 Transitional//EN\" \"http://www.w3."
"org/TR/html4/loose.dtd\">\n");
fprintf(outfile, "<html>\n<head>\n<title>%s</title>\n",
srg.title);
fprintf(outfile, "<meta name=\"generator\" content=\""
"SRG %s (%s)\">\n", version, HOME_URL);
fprintf(outfile, "<meta name=\"robots\" content=\"noindex,"
"nofollow\">\n");
fprintf(outfile, "<link rel=\"stylesheet\" href=\"%s%s\" type=\""
"text/css\">\n", base, srg.cssfile);
if (srg.usejs == 1) {
fprintf(outfile, "<script language=\"javascript\" src=\"%s%s\" "
"type=\"text/javascript\"></script></head>\n",
base, srg.jsfile);
fprintf(outfile, "<body onload=\"setupSort();\">\n");
} else {
fprintf(outfile, "</head>\n\n<body>\n");
}
/* Output some basic layout and headers */
fprintf(outfile, "<div align=\"center\"><h1>%s</h1></div>\n\n",
srg.title);
}
if (strlen(base)>0)
free(base);
}
/* Write the HTML footer */
void html_footer(FILE *outfile, const char *rootpath) {
/* rootpath is used when the user is generating a stock standard
* report with no outputURL set. Each report sends through a string
* like ../../ that provides a path from the directory that this
* file will reside in to the top level output directory. This string
* is only used if srg.outputURL is not set
*/
char *base="";
if (strlen(srg.outputURL)==0 && strlen(rootpath)>0)
base = strdup(rootpath);
fprintf(outfile, "<div align=\"center\" class=\"srgfooter\"><a href=\""
"%s\">Generated by SRG %s</a></div>\n\n", HOME_URL, version);
if (srg.outputMode == OUTPUT_PHP) {
/* Include the specified PHP footer */
fprintf(outfile, "<?php\ninclude_once('%s');\n\n",
srg.phpfooter);
} else {
fprintf(outfile, "\n</body>\n");
if (srg.usejs) {
fprintf(outfile, "<script src=\"%s%s\" type=\""
"text/javascript\"></script>\n", base, srg.jsfile);
}
fprintf(outfile, "</html>\n");
}
if (strlen(base)>0)
free(base);
}
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