4 * Entry point for GroupDAV functions
14 #include <sys/types.h>
16 #include <sys/socket.h>
25 #include "webserver.h"
30 * Output HTTP headers which are common to all requests.
32 * Please observe that we don't use the usual output_headers()
33 * and wDumpContent() functions in the GroupDAV subsystem, so we
34 * do our own header stuff here.
37 void groupdav_common_headers(void) {
40 "Connection: close\r\n",
41 SERVER, serv_info.serv_software
48 * string conversion function
50 void euid_escapize(char *target, char *source) {
52 int target_length = 0;
55 for (i=0; i<strlen(source); ++i) {
56 if (isalnum(source[i])) {
57 target[target_length] = source[i];
58 target[++target_length] = 0;
60 else if (source[i] == ' ') {
61 target[target_length] = '_';
62 target[++target_length] = 0;
64 else if (source[i] == '-') {
65 target[target_length] = '-';
66 target[++target_length] = 0;
69 sprintf(&target[target_length], "$%02X", source[i]);
76 * string conversion function
78 void euid_unescapize(char *target, char *source) {
81 int target_length = 0;
85 for (a = 0; a < strlen(source); ++a) {
86 if (source[a] == '$') {
87 hex[0] = source[a + 1];
88 hex[1] = source[a + 2];
91 sscanf(hex, "%02x", &b);
92 target[target_length] = b;
93 target[++target_length] = 0;
96 else if (source[a] == '_') {
97 target[target_length] = ' ';
98 target[++target_length] = 0;
100 else if (source[a] == '-') {
101 target[target_length] = '-';
102 target[++target_length] = 0;
105 target[target_length] = source[a];
106 target[++target_length] = 0;
115 * Main entry point for GroupDAV requests
117 void groupdav_main(struct httprequest *req,
118 char *dav_content_type,
119 int dav_content_length,
122 struct httprequest *rptr;
123 char dav_method[SIZ];
124 char dav_pathname[SIZ];
125 char dav_ifmatch[SIZ];
128 strcpy(dav_method, "");
129 strcpy(dav_pathname, "");
130 strcpy(dav_ifmatch, "");
132 for (rptr=req; rptr!=NULL; rptr=rptr->next) {
133 /* lprintf(9, "< %s\n", rptr->line); */
134 if (!strncasecmp(rptr->line, "Host: ", 6)) {
135 safestrncpy(WC->http_host, &rptr->line[6],
136 sizeof WC->http_host);
138 if (!strncasecmp(rptr->line, "If-Match: ", 10)) {
139 safestrncpy(dav_ifmatch, &rptr->line[10],
144 if (!WC->logged_in) {
145 wprintf("HTTP/1.1 401 Unauthorized\r\n");
146 groupdav_common_headers();
147 wprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n",
148 serv_info.serv_humannode);
149 wprintf("Content-Length: 0\r\n\r\n");
153 extract_token(dav_method, req->line, 0, ' ');
154 extract_token(dav_pathname, req->line, 1, ' ');
155 unescape_input(dav_pathname);
158 * If there's an If-Match: header, strip out the quotes if present, and
159 * then if all that's left is an asterisk, make it go away entirely.
161 if (strlen(dav_ifmatch) > 0) {
162 striplt(dav_ifmatch);
163 if (dav_ifmatch[0] == '\"') {
164 strcpy(dav_ifmatch, &dav_ifmatch[1]);
165 for (i=0; i<strlen(dav_ifmatch); ++i) {
166 if (dav_ifmatch[i] == '\"') {
171 if (!strcmp(dav_ifmatch, "*")) {
172 strcpy(dav_ifmatch, "");
177 * The PROPFIND method is basically used to list all objects in a
178 * room, or to list all relevant rooms on the server.
180 if (!strcasecmp(dav_method, "PROPFIND")) {
181 groupdav_propfind(dav_pathname);
186 * The GET method is used for fetching individual items.
188 if (!strcasecmp(dav_method, "GET")) {
189 groupdav_get(dav_pathname);
194 * The PUT method is used to add or modify items.
196 if (!strcasecmp(dav_method, "PUT")) {
197 groupdav_put(dav_pathname, dav_ifmatch,
198 dav_content_type, dav_content);
203 * The DELETE method kills, maims, and destroys.
205 if (!strcasecmp(dav_method, "DELETE")) {
206 groupdav_delete(dav_pathname, dav_ifmatch);
211 * Couldn't find what we were looking for. Die in a car fire.
213 wprintf("HTTP/1.1 501 Method not implemented\r\n");
214 groupdav_common_headers();
215 wprintf("Content-Type: text/plain\r\n"
217 "GroupDAV method \"%s\" is not implemented.\r\n",