/*
- cgi.c - Ein paar Routinen fuer die Programmierung von CGI-Programmen
- Copyright (c) 1996 Martin Schulze <joey@office.individual.net>
+ cgi.c - Some simple routines for CGI programming
+ Copyright (c) 1996-9,2007,8 Martin Schulze <joey@infodrom.org>
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
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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program; if not, write to the Free Software Foundation
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#define _GNU_SOURCE 1
+
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
#include <string.h>
-#include "cgi.h"
+#include <strings.h>
+#include <ctype.h>
+#include <syslog.h>
+#include <cgi.h>
+#include "aux.h"
+
+#ifndef HAVE_STRNDUP
+char *strndup(const char *s, size_t n);
+#endif
+
+char *cgiHeaderString = NULL;
+char *cgiType = NULL;
+
+extern s_cookie **cgiReadCookies();
-c_var *cgiParseVar (char *binding)
+int cgiSetHeader (const char *name, const char *value)
{
- c_var *result;
- char *ip;
+ const char *cp, *vp;
+ char *pivot;
+ int len;
- if ((ip = (char *)index(binding, '=')) == NULL)
- return NULL;
- if (((result = (c_var *)malloc(sizeof(c_var))) == NULL)
- ||((result->name = (char *)malloc(ip - binding +1)) == NULL)
- ||((result->value = (char *)malloc(strlen(ip))) == NULL))
- return NULL;
+ if (!name || !strlen (name) || !value || !strlen (value))
+ return 0;
+
+ for (cp=name;*cp && *cp!=' ' && *cp!='\r' && *cp!='\n' && *cp!=':';cp++);
+ for (vp=value;*vp && *vp!='\r' && *vp!='\n';vp++);
+
+ if (cp-name == 0 || vp-value == 0)
+ return 0;
+
+ if (cgiHeaderString) {
+ len = (strlen (cgiHeaderString) + cp-name + vp-value + 5) * sizeof (char);
+ if ((pivot = (char *)realloc (cgiHeaderString,len)) == NULL)
+ return 0;
+ cgiHeaderString = pivot;
+ pivot += strlen (cgiHeaderString);
+ } else {
+ len = (cp-name + vp-value + 5) * sizeof (char);
+ if ((cgiHeaderString = (char *)malloc (len)) == NULL)
+ return 0;
+ pivot = cgiHeaderString;
+ *pivot = '\0';
+ }
+ memset(pivot, 0, (cp-name + vp-value + 5) * sizeof (char));
- bzero(result->name,sizeof(result->name));
- bzero(result->value,sizeof(result->value));
- strncpy (result->name, binding, ip++ - binding);
- strcpy (result->value, ip);
+ strncpy (pivot, name, cp-name);
+ pivot[cp-name] = '\0';
+ strncat (pivot, ": ", 2);
+ strncat (pivot, value, vp-value);
+ strncat (pivot, "\r\n", 2);
- return result;
+ return 1;
}
-c_var **cgiParseInput ()
+int cgiSetType (const char *type)
{
- int length;
- char *line;
- char frag[50];
- int numargs;
- char *cp, *ip;
- c_var **result;
- int i;
+ int len;
+ const char *cp;
- if (!getenv("CONTENT_LENGTH"))
- return NULL;
- length = atoi(getenv("CONTENT_LENGTH"));
- if ((line = (char *)malloc (length+2)) == NULL)
+ if (!type || !strlen (type))
+ return 0;
+ if (cgiType)
+ free (cgiType);
+
+ for (cp=type;*cp && *cp!='\r' && *cp!='\n';cp++);
+
+ len = (cp-type+1) * sizeof (char);
+ if ((cgiType = (char *)malloc (len+20)) == NULL)
+ return 0;
+ memset (cgiType, 0, len);
+ strncpy (cgiType, type, cp-type);
+
+ return 1;
+}
+
+void cgiHeader ()
+{
+ if (cgiType)
+ {
+ printf ("Content-type: %s\r\n", cgiType);
+ free(cgiType);
+ cgiType = NULL;
+ }
+ else
+ printf ("Content-type: text/html\r\n");
+ if (cgiHeaderString)
+ {
+ printf ("%s", cgiHeaderString);
+ free(cgiHeaderString);
+ cgiHeaderString = NULL;
+ }
+ printf ("\r\n");
+}
+
+void cgiDebug (int level, int where)
+{
+ if (level > 0)
+ cgiDebugLevel = level;
+ else
+ cgiDebugLevel = 0;
+ if (where > 0) {
+ if (where < 3) {
+ cgiDebugType = where;
+ if (where == 2)
+ openlog("cgilib", LOG_PID, LOG_USER);
+ } else
+ cgiDebugType = 0;
+ }
+}
+
+char *cgiDecodeString (char *text)
+{
+ char *cp, *xp;
+
+ for (cp=text,xp=text; *cp; cp++) {
+ if (*cp == '%') {
+ if (strchr("0123456789ABCDEFabcdef", *(cp+1))
+ && strchr("0123456789ABCDEFabcdef", *(cp+2))) {
+ if (islower(*(cp+1)))
+ *(cp+1) = toupper(*(cp+1));
+ if (islower(*(cp+2)))
+ *(cp+2) = toupper(*(cp+2));
+ *(xp) = (*(cp+1) >= 'A' ? *(cp+1) - 'A' + 10 : *(cp+1) - '0' ) * 16
+ + (*(cp+2) >= 'A' ? *(cp+2) - 'A' + 10 : *(cp+2) - '0');
+ xp++;cp+=2;
+ }
+ } else {
+ *(xp++) = *cp;
+ }
+ }
+ memset(xp, 0, cp-xp);
+ return text;
+}
+
+/* cgiReadFile()
+ *
+ * Read and save a file fro a multipart request
+ */
+#include <errno.h>
+char *cgiReadFile (FILE *stream, char *boundary)
+{
+ char *crlfboundary, *buf;
+ size_t boundarylen;
+ int c;
+ unsigned int pivot;
+ char *cp;
+ char template[]= "/tmp/cgilibXXXXXX";
+ FILE *tmpfile;
+ int fd;
+
+ boundarylen = strlen(boundary)+3;
+ if ((crlfboundary = (char *)malloc (boundarylen)) == NULL)
+ return NULL;
+ sprintf (crlfboundary, "\r\n%s", boundary);
+
+ if ((buf = (char *)malloc (boundarylen)) == NULL) {
+ free (crlfboundary);
+ return NULL;
+ }
+ memset (buf, 0, boundarylen);
+ pivot = 0;
+
+ if ((fd = mkstemp (template)) == -1) {
+ free (crlfboundary);
+ free (buf);
+ return NULL;
+ }
+
+ if ((tmpfile = fdopen (fd, "w")) == NULL) {
+ free (crlfboundary);
+ free (buf);
+ unlink (template);
+ return NULL;
+ }
+
+ while (!feof (stream)) {
+ c = fgetc (stream);
+
+ if (c == 0) {
+ if (strlen (buf)) {
+ for (cp=buf; *cp; cp++)
+ putc (*cp, tmpfile);
+ memset (buf, 0, boundarylen);
+ pivot = 0;
+ }
+ putc (c, tmpfile);
+ continue;
+ }
+
+ if (strlen (buf)) {
+ if (crlfboundary[pivot+1] == c) {
+ buf[++pivot] = c;
+
+ if (strlen (buf) == strlen (crlfboundary))
+ break;
+ else
+ continue;
+ } else {
+ for (cp=buf; *cp; cp++)
+ putc (*cp, tmpfile);
+ memset (buf, 0, boundarylen);
+ pivot = 0;
+ }
+ }
+
+ if (crlfboundary[0] == c) {
+ buf[0] = c;
+ } else {
+ fputc (c, tmpfile);
+ }
+ }
+
+ if (!feof (stream))
+ fgets (buf, boundarylen, stream);
+
+ fclose (tmpfile);
+
+ free (crlfboundary);
+ free (buf);
+
+ return strdup (template);
+}
+
+/* cgiReadMultipart()
+ *
+ * Decode multipart/form-data
+ */
+#define MULTIPART_DELTA 5
+s_cgi *cgiReadMultipart (char *boundary)
+{
+ char *line;
+ char *cp, *xp;
+ char *name = NULL, *type = NULL;
+ char *fname = NULL;
+ char *tmpfile;
+ int header = 1;
+ s_var **result = NULL;
+ s_var **tmp;
+ int numresults = 0, current = 0;
+ s_file **files = NULL;
+ s_file **tmpf;
+ s_file *file;
+ int index = 0;
+ size_t len;
+ s_cgi *res;
+
+ while ((line = cgiGetLine (stdin)) != NULL) {
+
+ if (!strncmp (line, boundary, strlen(boundary))) {
+ header = 1;
+ } else if (!strncasecmp (line, "Content-Disposition: form-data; ", 32)) {
+ if (!name) {
+ if ((cp = strstr (line, "name=\"")) == NULL)
+ continue;
+ cp += 6;
+ if ((xp = strchr (cp, '\"')) == NULL)
+ continue;
+ name = strndup (cp, xp-cp);
+ cgiDecodeString (name);
+ cgiDebugOutput (2, "Found field name %s", name);
+
+ if ((cp = strstr (line, "filename=\"")) == NULL)
+ continue;
+ cp += 10;
+ if ((xp = strchr (cp, '\"')) == NULL)
+ continue;
+ fname = strndup (cp, xp-cp);
+ cgiDecodeString (fname);
+ cgiDebugOutput (2, "Found filename %s", fname);
+ }
+ } else if (!strncasecmp (line, "Content-Type: ", 14)) {
+ if (!type) {
+ cp = line + 14;
+ type = strdup (cp);
+ cgiDebugOutput (2, "Found mime type %s", type);
+ }
+ } else if (header) {
+ if (!strlen(line)) {
+ header = 0;
+
+ if (fname) {
+ header = 1;
+ tmpfile = cgiReadFile (stdin, boundary);
+
+ if (!tmpfile) {
+ free (name);
+ free (fname);
+ if (type)
+ free (type);
+ name = fname = type = NULL;
+ }
+
+ cgiDebugOutput (2, "Wrote %s (%s) to file: %s", name, fname, tmpfile);
+
+ if (!strlen (fname)) {
+ cgiDebugOutput (3, "Found empty filename, removing");
+ unlink (tmpfile);
+ free (tmpfile);
+ free (name);
+ free (fname);
+ if (type)
+ free (type);
+ name = fname = type = NULL;
+ } else {
+ if ((file = (s_file *)malloc (sizeof (s_file))) == NULL) {
+ cgiDebugOutput (3, "malloc failed, ignoring %s=%s", name, fname);
+ unlink (tmpfile);
+ free (tmpfile);
+ free (name);
+ free (fname);
+ if (type)
+ free (type);
+ name = fname = type = NULL;
+ continue;
+ }
+
+ file->name = name;
+ file->type = type;
+ file->tmpfile = tmpfile;
+ if ((cp = rindex (fname, '/')) == NULL)
+ file->filename = fname;
+ else {
+ file->filename = strdup (++cp);
+ free (fname);
+ }
+ name = type = fname = NULL;
+
+ if (!files) {
+ if ((files = (s_file **)malloc(2*sizeof (s_file *))) == NULL) {
+ cgiDebugOutput (3, "malloc failed, ignoring %s=%s", name, fname);
+ unlink (tmpfile);
+ free (tmpfile);
+ free (name);
+ name = NULL;
+ if (type) {
+ free (type);
+ type = NULL;
+ }
+ free (file->filename);
+ free (file);
+ continue;
+ }
+ memset (files, 0, 2*sizeof (s_file *));
+ index = 0;
+ } else {
+ for (index=0; files[index]; index++);
+ if ((tmpf = (s_file **)realloc(files, (index+2)*sizeof (s_file *))) == NULL) {
+ cgiDebugOutput (3, "realloc failed, ignoring %s=%s", name, fname);
+ unlink (tmpfile);
+ free (tmpfile);
+ free (name);
+ if (type)
+ free (type);
+ free (file->filename);
+ free (file);
+ name = type = fname = NULL;
+ continue;
+ }
+ files = tmpf;
+ memset (files + index, 0, 2*sizeof (s_file *));
+ }
+ files[index] = file;
+ }
+ }
+ }
+ } else {
+ if (name) {
+
+ /* try to find out if there's already such a variable */
+ for (index=0; index<current && strcmp (result[index]->name,name); index++);
+
+ if (index == current) {
+ if (!result) {
+ len = MULTIPART_DELTA * sizeof (s_var *);
+ if ((result = (s_var **)malloc (len)) == NULL) {
+ free (name);
+ if (type)
+ free (type);
+ return NULL;
+ }
+ numresults = MULTIPART_DELTA;
+ memset (result, 0, len);
+ current = 0;
+ } else {
+ if (current+2 > numresults) {
+ len = (numresults + MULTIPART_DELTA) * sizeof(s_var *);
+ if ((tmp = (s_var **)realloc (result, len)) == NULL) {
+ for (index=0; result[index]; index++)
+ free (result[index]);
+ free (result);
+ free (name);
+ if (type)
+ free (type);
+ return NULL;
+ }
+ result = tmp;
+ memset (result + numresults, 0, len - numresults*sizeof(s_var *));
+ numresults += MULTIPART_DELTA;
+ }
+ }
+ if ((result[current] = (s_var *)malloc(sizeof(s_var))) == NULL) {
+ for (index=0; result[index]; index++)
+ free (result[index]);
+ free (result);
+ free (name);
+ if (type)
+ free (type);
+ return NULL;
+ }
+ current++;
+ cgiDebugOutput (3, "Set #%d to %s=%s", index, name, line);
+ result[index]->name = name; name = NULL;
+ result[index]->value = strdup (line);
+ cgiDecodeString (result[index]->value);
+ if (type) {
+ free (type);
+ type = NULL;
+ }
+ } else {
+ cgiDebugOutput (3, "Set #%d to %s=%s", index, name, line);
+ free (name);
+ name = NULL;
+ if ((cp = (char *)realloc (result[index]->value, strlen(result[index]->value)+strlen(line)+2)) != NULL) {
+ strcat(cp, "\n");
+ strcat(cp, line);
+ result[index]->value = cp;
+ if (type) {
+ free (type);
+ type = NULL;
+ }
+ }
+ }
+ } else {
+ if (index > 0) {
+ xp = strdup (line);
+ cgiDecodeString (xp);
+
+ if ((name = (char *)malloc (strlen(result[index]->value)+strlen(xp)+3)) == NULL) {
+ for (index=0; result[index]; index++)
+ free (result[index]);
+ free (result);
+ free (xp);
+ return NULL;
+ }
+ sprintf (name, "%s\r\n%s", result[index]->value, xp);
+ free (result[index]->value);
+ result[index]->value = name;
+ name = NULL;
+ free (xp);
+ }
+ }
+ }
+ }
+
+ if ((res = (s_cgi *)malloc (sizeof (s_cgi))) == NULL)
+ return NULL;
+
+ res->vars = result;
+ res->cookies = NULL;
+ res->files = files;
+
+ return res;
+}
+
+/* cgiReadVariables()
+ *
+ * Read from stdin if no string is provided via CGI. Variables that
+ * doesn't have a value associated with it doesn't get stored.
+ */
+s_cgi *cgiReadVariables ()
+{
+ int length;
+ char *line = NULL;
+ int numargs;
+ char *cp, *ip, *esp, *sptr;
+ s_var **result;
+ int i, k, len;
+ char tmp[101];
+ s_cgi *res;
+
+ cp = getenv("CONTENT_TYPE");
+ if (cp)
+ cgiDebugOutput (2, "Content-Type: %s", cp);
+ if (cp && strstr(cp, "multipart/form-data") && strstr(cp, "boundary=")) {
+ cp = strstr(cp, "boundary=") + strlen ("boundary=") - 2;
+ *cp = *(cp+1) = '-';
+ return cgiReadMultipart (cp);
+ }
+
+ if ((res = (s_cgi *)malloc (sizeof (s_cgi))) == NULL)
+ return NULL;
+
+ cp = getenv("REQUEST_METHOD");
+ if (cp)
+ cgiDebugOutput (2, "REQUEST_METHOD: %s", cp);
+ ip = getenv("CONTENT_LENGTH");
+ if (ip)
+ cgiDebugOutput (2, "CONTENT_LENGTH: %s", ip);
+
+ if (cp && !strcmp(cp, "POST")) {
+ if (ip) {
+ length = atoi(ip);
+ if (length <= 0)
+ return NULL;
+ if ((line = (char *)malloc (length+2)) == NULL)
+ return NULL;
+ fgets(line, length+1, stdin);
+ } else
+ return NULL;
+ } else if (cp && !strcmp(cp, "GET")) {
+ esp = getenv("QUERY_STRING");
+ if (esp && strlen(esp)) {
+ if ((line = (char *)malloc (strlen(esp)+2)) == NULL)
+ return NULL;
+ sprintf (line, "%s", esp);
+ } else
+ return NULL;
+ } else {
+ length = 0;
+ printf ("(offline mode: enter name=value pairs on standard input)\n");
+ memset (tmp, 0, sizeof(tmp));
+ while((cp = fgets (tmp, 100, stdin)) != NULL) {
+ if (strlen(tmp)) {
+ if (tmp[strlen(tmp)-1] == '\n')
+ tmp[strlen(tmp)-1] = '&';
+ if (length) {
+ length += strlen(tmp);
+ len = (length+1) * sizeof(char);
+ if ((line = (char *)realloc (line, len)) == NULL)
+ return NULL;
+ strcat (line, tmp);
+ } else {
+ length = strlen(tmp);
+ len = (length+1) * sizeof(char);
+ if ((line = (char *)malloc (len)) == NULL)
+ return NULL;
+ memset (line, 0, len);
+ strcpy (line, tmp);
+ }
+ }
+ memset (tmp, 0, sizeof(tmp));
+ }
+ if (!line)
+ return NULL;
+ if (line[strlen(line)-1] == '&')
+ line[strlen(line)-1] = '\0';
+ }
+
+ /*
+ * From now on all cgi variables are stored in the variable line
+ * and look like foo=bar&foobar=barfoo&foofoo=
+ */
+
+ cgiDebugOutput (1, "Received CGI input: %s", line);
+
+ for (cp=line; *cp; cp++)
+ if (*cp == '+')
+ *cp = ' ';
+
+ if (strlen(line)) {
+ for (numargs=1,cp=line; *cp; cp++)
+ if (*cp == '&' || *cp == ';' ) numargs++;
+ } else
+ numargs = 0;
+ cgiDebugOutput (1, "%d cgi variables found.", numargs);
+
+ len = (numargs+1) * sizeof(s_var *);
+ if ((result = (s_var **)malloc (len)) == NULL)
+ return NULL;
+ memset (result, 0, len);
+
+ cp = line;
+ i=0;
+ while (*cp) {
+ if ((ip = (char *)strchr(cp, '&')) != NULL) {
+ *ip = '\0';
+ } else if ((ip = (char *)strchr(cp, ';')) != NULL) {
+ *ip = '\0';
+ } else
+ ip = cp + strlen(cp);
+
+ if ((esp=(char *)strchr(cp, '=')) == NULL) {
+ cp = ++ip;
+ continue;
+ }
+
+ if (!strlen(esp)) {
+ cp = ++ip;
+ continue;
+ }
+
+ if (i<numargs) {
+ char *name;
+ char *value;
+
+ if ((name = (char *)malloc((esp-cp+1) * sizeof (char))) == NULL)
+ return NULL;
+ strncpy(name, cp, esp-cp);
+ name[esp-cp] = '\0';
+ cgiDecodeString (name);
+
+ cp = ++esp;
+
+ if ((value = (char *)malloc((ip-esp+1) * sizeof (char))) == NULL) {
+ free (name);
+ return NULL;
+ }
+ strncpy(value, cp, ip-esp);
+ value[ip-esp] = '\0';
+ cgiDecodeString (value);
+
+ /* try to find out if there's already such a variable */
+ for (k=0; k<i && strcmp (result[k]->name, name); k++);
+
+ if (k == i) { /* No such variable yet */
+ if ((result[i] = (s_var *)malloc(sizeof(s_var))) == NULL)
+ return NULL;
+ result[i]->name = name;
+ result[i]->value = value;
+ cgiDebugOutput (1, "%s: %s", result[i]->name, result[i]->value);
+ i++;
+ } else { /* There is already such a name, suppose a mutiple field */
+ free (name);
+ len = (strlen(result[k]->value)+strlen(value)+2) * sizeof (char);
+ if ((sptr = (char *)malloc(len)) == NULL) {
+ free (value);
+ return NULL;
+ }
+ memset (sptr, 0, len);
+ sprintf (sptr, "%s\n%s", result[k]->value, value);
+ free (result[k]->value);
+ free (value);
+ result[k]->value = sptr;
+ cgiDebugOutput (1, "%s: %s", result[i]->name, result[i]->value);
+ }
+ }
+ cp = ++ip;
+ }
+
+ res->vars = result;
+ res->cookies = NULL;
+ res->files = NULL;
+
+ return res;
+}
+
+/* cgiInit()
+ *
+ * Read from stdin if no string is provided via CGI. Variables that
+ * doesn't have a value associated with it doesn't get stored.
+ */
+s_cgi *cgiInit()
+{
+ s_cgi *res;
+
+ res = cgiReadVariables ();
+ if (res)
+ res->cookies = cgiReadCookies ();
+ else
+ {
+ /* In some cases, we might have no other CGI results.
+ But we still have cookies! */
+ s_cookie **cookies;
+ cookies = cgiReadCookies();
+ if (cookies) {
+ /* We need to create a s_cgi structure. */
+ if ((res = (s_cgi *)malloc (sizeof (s_cgi))) == NULL)
+ return NULL;
+ res->vars = NULL;
+ res->cookies = cookies;
+ res->files = NULL;
+
+ } else {
+ return NULL;
+ }
+ }
+
+ if (!res->vars && !res->cookies && !res->files) {
+ free (res);
+ return NULL;
+ }
+
+ return res;
+}
+
+char *cgiGetValue (s_cgi *parms, const char *name)
+{
+ int i;
+
+ if (!parms || !parms->vars)
+ return NULL;
+ for (i=0;parms->vars[i]; i++)
+ if (!strcmp(name,parms->vars[i]->name)) {
+ cgiDebugOutput (1, "%s found as %s", name, parms->vars[i]->value);
+ if (strlen(parms->vars[i]->value) > 0)
+ return parms->vars[i]->value;
+ else
+ return NULL;
+ }
+ cgiDebugOutput (1, "%s not found", name);
return NULL;
+}
- fgets(line, length+1, stdin);
+char **cgiGetVariables (s_cgi *parms)
+{
+ int i;
+ char **res = NULL;
+ int len;
+
+ if (!parms || !parms->vars)
+ return NULL;
+ for (i=0;parms->vars[i]; i++);
+ len = sizeof (char *) * ++i;
+ if ((res = (char **)malloc (len)) == NULL)
+ return NULL;
+ memset (res, 0, len);
+ for (i=0;parms->vars[i]; i++) {
+ len = strlen (parms->vars[i]->name) +1;
+ if ((res[i] = (char *)malloc (len)) == NULL)
+ return NULL;
+ memset (res[i], 0, len);
+ strcpy (res[i], parms->vars[i]->name);
+ }
+ return res;
+}
- /* line contains all values stored like okz=0923&plz=23 */
- for (numargs=1,cp=line; *cp; cp++)
- if (*cp == '&') numargs++;
- if ((result = (c_var **)malloc((numargs * sizeof(c_var *))+1)) == NULL)
+/* cgiGetFiles
+ *
+ * Returns a list of names of all files.
+ */
+char **cgiGetFiles (s_cgi *parms)
+{
+ int i;
+ char **res = NULL;
+ int len;
+
+ if (!parms || !parms->files)
+ return NULL;
+
+ for (i=0;parms->files[i]; i++);
+ len = sizeof (char *) * ++i;
+ if ((res = (char **)malloc (len)) == NULL)
+ return NULL;
+ memset (res, 0, len);
+ for (i=0;parms->files[i]; i++) {
+ len = strlen (parms->files[i]->name) +1;
+ if ((res[i] = (char *)malloc (len)) == NULL)
+ return NULL;
+ memset (res[i], 0, len);
+ strcpy (res[i], parms->files[i]->name);
+ }
+ return res;
+}
+
+/* cgiGetFile
+ *
+ * Return data structure for CGI file variable
+ */
+s_file *cgiGetFile (s_cgi *parms, const char *name)
+{
+ int i;
+
+ if (!parms || !parms->files)
+ return NULL;
+
+ for (i=0;parms->files[i]; i++)
+ if (!strcmp(name,parms->files[i]->name)) {
+ cgiDebugOutput (1, "%s found as %s", name, parms->files[i]->filename);
+ return parms->files[i];
+ }
+ cgiDebugOutput (1, "%s not found", name);
return NULL;
+}
- cp = line;
- i=0;
- while ((ip = (char *)index(cp, '&')) != NULL) {
- bzero (frag, sizeof(frag));
- strncpy (frag, cp, ip - cp);
- result[i++] = cgiParseVar(frag);
- cp = ++ip;
- }
- result[i++] = cgiParseVar(cp);
- result[i] = NULL;
+void cgiRedirect (const char *url)
+{
+ if (url && strlen(url)) {
+ printf ("Content-type: text/html\r\nContent-length: %d\r\n", 77+(strlen(url)*2));
+ printf ("Status: 302 Temporal Relocation\r\n");
+ printf ("Location: %s\r\n\r\n", url);
+ printf ("<html>\n<body>\nThe page has been moved to <a href=\"%s\">%s</a>\n</body>\n</html>\n", url, url);
+ }
+}
-/*
- for (i=0;result[i]; i++)
- printf ("%s=%s<br>\n", result[i]->name,result[i]->value);
-*/
+void cgiFreeList (char **list)
+{
+ int i;
- return result;
+ for (i=0; list[i] != NULL; i++)
+ free (list[i]);
+ free (list);
}
-char *cgiGetValue(c_var **parms, const char *var)
+void cgiFree (s_cgi *parms)
{
- int i;
+ int i;
- if (parms)
- for (i=0;parms[i]; i++)
- if (!strcmp(var,parms[i]->name))
- return parms[i]->value;
- return NULL;
+ if (!parms)
+ return;
+ if (parms->vars) {
+ for (i=0;parms->vars[i]; i++) {
+ if (parms->vars[i]->name)
+ free (parms->vars[i]->name);
+ if (parms->vars[i]->value)
+ free (parms->vars[i]->value);
+ free (parms->vars[i]);
+ }
+ free (parms->vars);
+ }
+ if (parms->cookies) {
+ if (parms->cookies[0]->version)
+ free (parms->cookies[0]->version);
+ for (i=0;parms->cookies[i]; i++) {
+ if (parms->cookies[i]->name)
+ free (parms->cookies[i]->name);
+ if (parms->cookies[i]->value)
+ free (parms->cookies[i]->value);
+ if (parms->cookies[i]->path)
+ free (parms->cookies[i]->path);
+ if (parms->cookies[i]->domain)
+ free (parms->cookies[i]->domain);
+ free (parms->cookies[i]);
+ }
+ free (parms->cookies);
+ }
+ if (parms->files) {
+ for (i=0;parms->files[i]; i++) {
+ if (parms->files[i]->name)
+ free (parms->files[i]->name);
+ if (parms->files[i]->type)
+ free (parms->files[i]->type);
+ if (parms->files[i]->filename)
+ free (parms->files[i]->filename);
+ if (parms->files[i]->tmpfile) {
+ unlink (parms->files[i]->tmpfile);
+ free (parms->files[i]->tmpfile);
+ }
+ free (parms->files[i]);
+ }
+ free (parms->files);
+ }
+ free (parms);
+
+ if (cgiHeaderString) {
+ free (cgiHeaderString);
+ cgiHeaderString = NULL;
+ }
+ if (cgiType) {
+ free (cgiType);
+ cgiType = NULL;
+ }
+}
+
+#ifndef HAVE_STRNDUP
+char *strndup(const char *s, size_t n) {
+ char *fnval;
+
+ if ((fnval = (char *)malloc (n + 1)) == NULL)
+ return NULL;
+ strncpy(fnval, s, n);
+ fnval[n] = '\0';
+ return fnval;
}
+#endif
+
+/*
+ * Local variables:
+ * c-indent-level: 4
+ * c-basic-offset: 4
+ * tab-width: 8
+ * End:
+ */
projects / infodrom / cgilib / blobdiff