X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/200b89a2c66c58c41a27883f021850445698b337..94ffe75fd3251c74320167cf94604e73fdb99dfc:/getcgi.c?ds=sidebyside diff --git a/getcgi.c b/getcgi.c index 26c3c50..2035841 100644 --- a/getcgi.c +++ b/getcgi.c @@ -1,14 +1,28 @@ /* * getcgivars.c - routine to read CGI input variables into an array. * - * Jonathan McDowell + * Copyright 2002 Jonathan McDowell * * The x2c() and unescape_url() routines were lifted directly * from NCSA's sample program util.c, packaged with their HTTPD. + * + * This program 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; version 2 of the License. + * + * This program 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 + * this program; if not, write to the Free Software Foundation, Inc., 51 + * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include +#include #include #include "getcgi.h" @@ -66,7 +80,7 @@ char *txt2html(const char *string) */ void start_html(const char *title) { - puts("Content-Type: text/html; charset=utf8\n"); + puts("Content-Type: text/html; charset=UTF-8\n"); puts(""); puts(""); puts(""); @@ -128,25 +142,26 @@ char **getcgivars(int argc, char *argv[]) int i; char *request_method; int content_length, paircount; - char *cgiinput; - char **cgivars; - char **pairlist; + char *cgiinput = NULL; + char **cgivars = NULL; + char **pairlist = NULL; char *nvpair,*eqpos; /* Depending on the request method, read all CGI input into cgiinput */ /* (really should produce HTML error messages, instead of exit()ing) */ - request_method=getenv("REQUEST_METHOD"); + request_method = getenv("REQUEST_METHOD"); if (request_method == NULL) { if (argc > 1) { - cgiinput = argv[1]; + cgiinput = strdup(argv[1]); } else { return NULL; } } else if (strlen(request_method)==0) { return NULL; - } else if (!strcmp(request_method, "GET") || !strcmp(request_method, "HEAD")) { + } else if (!strcmp(request_method, "GET") || + !strcmp(request_method, "HEAD")) { cgiinput=strdup(getenv("QUERY_STRING")); } else if (!strcmp(request_method, "POST")) { if (getenv("CONTENT_TYPE") != NULL && @@ -157,12 +172,14 @@ char **getcgivars(int argc, char *argv[]) } if (!(content_length = atoi(getenv("CONTENT_LENGTH")))) { - printf("getcgivars(): No Content-Length was sent with the POST request.\n"); + printf("getcgivars(): No Content-Length was sent with" + " the POST request.\n"); exit(1); } if (!(cgiinput= (char *) malloc(content_length+1))) { - printf("getcgivars(): Could not malloc for cgiinput.\n"); + printf("getcgivars(): Could not malloc for " + "cgiinput.\n"); exit(1); } @@ -188,7 +205,10 @@ char **getcgivars(int argc, char *argv[]) nvpair=strtok(cgiinput, "&"); while (nvpair) { pairlist[paircount++]= strdup(nvpair) ; - if (!(paircount%256)) pairlist=(char **) realloc(pairlist,(paircount+256)*sizeof(char **)); + if (!(paircount%256)) { + pairlist=(char **) realloc(pairlist, + (paircount+256)*sizeof(char **)); + } nvpair=strtok(NULL, "&") ; } @@ -218,3 +238,27 @@ char **getcgivars(int argc, char *argv[]) /* Return the list of name-value strings */ return cgivars; } + + +/** + * cleanupcgi - free the memory allocated for our CGI parameters. + * @cgivars: The CGI parameter list to free. + * + * Frees up the elements of the CGI parameter array and then frees the + * array. + */ +void cleanupcgi(char **cgivars) +{ + int i; + + if (cgivars != NULL) { + for (i = 0; cgivars[i] != NULL; i++) { + free(cgivars[i]); + cgivars[i] = NULL; + } + free(cgivars); + cgivars = NULL; + } + + return; +}