1 5cdb1798 2005-10-29 devnull #include "common.h"
  2 5cdb1798 2005-10-29 devnull #include <ctype.h>
  3 5cdb1798 2005-10-29 devnull #include <plumb.h>
  4 5cdb1798 2005-10-29 devnull #include <libsec.h>
  5 5cdb1798 2005-10-29 devnull #include <auth.h>
  6 5cdb1798 2005-10-29 devnull #include <thread.h>
  7 5cdb1798 2005-10-29 devnull #include "dat.h"
  8 5cdb1798 2005-10-29 devnull 
  9 5cdb1798 2005-10-29 devnull #pragma varargck type "M" uchar*
 10 5cdb1798 2005-10-29 devnull #pragma varargck argpos pop3cmd 2
 11 5cdb1798 2005-10-29 devnull 
 12 5cdb1798 2005-10-29 devnull typedef struct Pop Pop;
 13 5cdb1798 2005-10-29 devnull struct Pop {
 14 cbeb0b26 2006-04-01 devnull 	char *freep;	/* free this to free the strings below */
 15 5cdb1798 2005-10-29 devnull 
 16 5cdb1798 2005-10-29 devnull 	char *host;
 17 5cdb1798 2005-10-29 devnull 	char *user;
 18 5cdb1798 2005-10-29 devnull 	char *port;
 19 5cdb1798 2005-10-29 devnull 
 20 5cdb1798 2005-10-29 devnull 	int ppop;
 21 5cdb1798 2005-10-29 devnull 	int refreshtime;
 22 5cdb1798 2005-10-29 devnull 	int debug;
 23 5cdb1798 2005-10-29 devnull 	int pipeline;
 24 5cdb1798 2005-10-29 devnull 	int encrypted;
 25 5cdb1798 2005-10-29 devnull 	int needtls;
 26 5cdb1798 2005-10-29 devnull 	int notls;
 27 5cdb1798 2005-10-29 devnull 	int needssl;
 28 5cdb1798 2005-10-29 devnull 
 29 cbeb0b26 2006-04-01 devnull 	/* open network connection */
 30 5cdb1798 2005-10-29 devnull 	Biobuf bin;
 31 5cdb1798 2005-10-29 devnull 	Biobuf bout;
 32 5cdb1798 2005-10-29 devnull 	int fd;
 33 cbeb0b26 2006-04-01 devnull 	char *lastline;	/* from Brdstr */
 34 5cdb1798 2005-10-29 devnull 
 35 5cdb1798 2005-10-29 devnull 	Thumbprint *thumb;
 36 5cdb1798 2005-10-29 devnull };
 37 5cdb1798 2005-10-29 devnull 
 38 5cdb1798 2005-10-29 devnull char*
 39 5cdb1798 2005-10-29 devnull geterrstr(void)
 40 5cdb1798 2005-10-29 devnull {
 41 5cdb1798 2005-10-29 devnull 	static char err[64];
 42 5cdb1798 2005-10-29 devnull 
 43 5cdb1798 2005-10-29 devnull 	err[0] = '\0';
 44 5cdb1798 2005-10-29 devnull 	errstr(err, sizeof(err));
 45 5cdb1798 2005-10-29 devnull 	return err;
 46 5cdb1798 2005-10-29 devnull }
 47 5cdb1798 2005-10-29 devnull 
 48 cbeb0b26 2006-04-01 devnull /* */
 49 cbeb0b26 2006-04-01 devnull /* get pop3 response line , without worrying */
 50 cbeb0b26 2006-04-01 devnull /* about multiline responses; the clients */
 51 cbeb0b26 2006-04-01 devnull /* will deal with that. */
 52 cbeb0b26 2006-04-01 devnull /* */
 53 5cdb1798 2005-10-29 devnull static int
 54 5cdb1798 2005-10-29 devnull isokay(char *s)
 55 5cdb1798 2005-10-29 devnull {
 56 5cdb1798 2005-10-29 devnull 	return s!=nil && strncmp(s, "+OK", 3)==0;
 57 5cdb1798 2005-10-29 devnull }
 58 5cdb1798 2005-10-29 devnull 
 59 5cdb1798 2005-10-29 devnull static void
 60 5cdb1798 2005-10-29 devnull pop3cmd(Pop *pop, char *fmt, ...)
 61 5cdb1798 2005-10-29 devnull {
 62 5cdb1798 2005-10-29 devnull 	char buf[128], *p;
 63 5cdb1798 2005-10-29 devnull 	va_list va;
 64 5cdb1798 2005-10-29 devnull 
 65 5cdb1798 2005-10-29 devnull 	va_start(va, fmt);
 66 5cdb1798 2005-10-29 devnull 	vseprint(buf, buf+sizeof(buf), fmt, va);
 67 5cdb1798 2005-10-29 devnull 	va_end(va);
 68 5cdb1798 2005-10-29 devnull 
 69 5cdb1798 2005-10-29 devnull 	p = buf+strlen(buf);
 70 5cdb1798 2005-10-29 devnull 	if(p > (buf+sizeof(buf)-3))
 71 5cdb1798 2005-10-29 devnull 		sysfatal("pop3 command too long");
 72 5cdb1798 2005-10-29 devnull 
 73 5cdb1798 2005-10-29 devnull 	if(pop->debug)
 74 5cdb1798 2005-10-29 devnull 		fprint(2, "<- %s\n", buf);
 75 5cdb1798 2005-10-29 devnull 	strcpy(p, "\r\n");
 76 5cdb1798 2005-10-29 devnull 	Bwrite(&pop->bout, buf, strlen(buf));
 77 5cdb1798 2005-10-29 devnull 	Bflush(&pop->bout);
 78 5cdb1798 2005-10-29 devnull }
 79 5cdb1798 2005-10-29 devnull 
 80 5cdb1798 2005-10-29 devnull static char*
 81 5cdb1798 2005-10-29 devnull pop3resp(Pop *pop)
 82 5cdb1798 2005-10-29 devnull {
 83 5cdb1798 2005-10-29 devnull 	char *s;
 84 5cdb1798 2005-10-29 devnull 	char *p;
 85 5cdb1798 2005-10-29 devnull 
 86 5cdb1798 2005-10-29 devnull 	alarm(60*1000);
 87 5cdb1798 2005-10-29 devnull 	if((s = Brdstr(&pop->bin, '\n', 0)) == nil){
 88 5cdb1798 2005-10-29 devnull 		close(pop->fd);
 89 5cdb1798 2005-10-29 devnull 		pop->fd = -1;
 90 5cdb1798 2005-10-29 devnull 		alarm(0);
 91 5cdb1798 2005-10-29 devnull 		return "unexpected eof";
 92 5cdb1798 2005-10-29 devnull 	}
 93 5cdb1798 2005-10-29 devnull 	alarm(0);
 94 5cdb1798 2005-10-29 devnull 
 95 5cdb1798 2005-10-29 devnull 	p = s+strlen(s)-1;
 96 5cdb1798 2005-10-29 devnull 	while(p >= s && (*p == '\r' || *p == '\n'))
 97 5cdb1798 2005-10-29 devnull 		*p-- = '\0';
 98 5cdb1798 2005-10-29 devnull 
 99 5cdb1798 2005-10-29 devnull 	if(pop->debug)
100 5cdb1798 2005-10-29 devnull 		fprint(2, "-> %s\n", s);
101 5cdb1798 2005-10-29 devnull 	free(pop->lastline);
102 5cdb1798 2005-10-29 devnull 	pop->lastline = s;
103 5cdb1798 2005-10-29 devnull 	return s;
104 5cdb1798 2005-10-29 devnull }
105 5cdb1798 2005-10-29 devnull 
106 5cdb1798 2005-10-29 devnull #if 0 /* jpc */
107 5cdb1798 2005-10-29 devnull static int
108 5cdb1798 2005-10-29 devnull pop3log(char *fmt, ...)
109 5cdb1798 2005-10-29 devnull {
110 5cdb1798 2005-10-29 devnull 	va_list ap;
111 5cdb1798 2005-10-29 devnull 
112 5cdb1798 2005-10-29 devnull 	va_start(ap,fmt);
113 5cdb1798 2005-10-29 devnull 	syslog(0, "/sys/log/pop3", fmt, ap);
114 5cdb1798 2005-10-29 devnull 	va_end(ap);
115 5cdb1798 2005-10-29 devnull 	return 0;
116 5cdb1798 2005-10-29 devnull }
117 5cdb1798 2005-10-29 devnull #endif
118 5cdb1798 2005-10-29 devnull 
119 5cdb1798 2005-10-29 devnull static char*
120 5cdb1798 2005-10-29 devnull pop3pushtls(Pop *pop)
121 5cdb1798 2005-10-29 devnull {
122 5cdb1798 2005-10-29 devnull 	int fd;
123 5cdb1798 2005-10-29 devnull 	uchar digest[SHA1dlen];
124 5cdb1798 2005-10-29 devnull 	TLSconn conn;
125 5cdb1798 2005-10-29 devnull 
126 5cdb1798 2005-10-29 devnull 	memset(&conn, 0, sizeof conn);
127 cbeb0b26 2006-04-01 devnull 	/* conn.trace = pop3log; */
128 5cdb1798 2005-10-29 devnull 	fd = tlsClient(pop->fd, &conn);
129 5cdb1798 2005-10-29 devnull 	if(fd < 0)
130 5cdb1798 2005-10-29 devnull 		return "tls error";
131 5cdb1798 2005-10-29 devnull 	if(conn.cert==nil || conn.certlen <= 0){
132 5cdb1798 2005-10-29 devnull 		close(fd);
133 5cdb1798 2005-10-29 devnull 		return "server did not provide TLS certificate";
134 5cdb1798 2005-10-29 devnull 	}
135 5cdb1798 2005-10-29 devnull 	sha1(conn.cert, conn.certlen, digest, nil);
136 5cdb1798 2005-10-29 devnull 	if(!pop->thumb || !okThumbprint(digest, pop->thumb)){
137 5cdb1798 2005-10-29 devnull 		fmtinstall('H', encodefmt);
138 5cdb1798 2005-10-29 devnull 		close(fd);
139 5cdb1798 2005-10-29 devnull 		free(conn.cert);
140 5cdb1798 2005-10-29 devnull 		fprint(2, "upas/fs pop3: server certificate %.*H not recognized\n", SHA1dlen, digest);
141 5cdb1798 2005-10-29 devnull 		return "bad server certificate";
142 5cdb1798 2005-10-29 devnull 	}
143 5cdb1798 2005-10-29 devnull 	free(conn.cert);
144 5cdb1798 2005-10-29 devnull 	close(pop->fd);
145 5cdb1798 2005-10-29 devnull 	pop->fd = fd;
146 5cdb1798 2005-10-29 devnull 	pop->encrypted = 1;
147 5cdb1798 2005-10-29 devnull 	Binit(&pop->bin, pop->fd, OREAD);
148 5cdb1798 2005-10-29 devnull 	Binit(&pop->bout, pop->fd, OWRITE);
149 5cdb1798 2005-10-29 devnull 	return nil;
150 5cdb1798 2005-10-29 devnull }
151 5cdb1798 2005-10-29 devnull 
152 cbeb0b26 2006-04-01 devnull /* */
153 cbeb0b26 2006-04-01 devnull /* get capability list, possibly start tls */
154 cbeb0b26 2006-04-01 devnull /* */
155 5cdb1798 2005-10-29 devnull static char*
156 5cdb1798 2005-10-29 devnull pop3capa(Pop *pop)
157 5cdb1798 2005-10-29 devnull {
158 5cdb1798 2005-10-29 devnull 	char *s;
159 5cdb1798 2005-10-29 devnull 	int hastls;
160 5cdb1798 2005-10-29 devnull 
161 5cdb1798 2005-10-29 devnull 	pop3cmd(pop, "CAPA");
162 5cdb1798 2005-10-29 devnull 	if(!isokay(pop3resp(pop)))
163 5cdb1798 2005-10-29 devnull 		return nil;
164 5cdb1798 2005-10-29 devnull 
165 5cdb1798 2005-10-29 devnull 	hastls = 0;
166 5cdb1798 2005-10-29 devnull 	for(;;){
167 5cdb1798 2005-10-29 devnull 		s = pop3resp(pop);
168 5cdb1798 2005-10-29 devnull 		if(strcmp(s, ".") == 0 || strcmp(s, "unexpected eof") == 0)
169 5cdb1798 2005-10-29 devnull 			break;
170 5cdb1798 2005-10-29 devnull 		if(strcmp(s, "STLS") == 0)
171 5cdb1798 2005-10-29 devnull 			hastls = 1;
172 5cdb1798 2005-10-29 devnull 		if(strcmp(s, "PIPELINING") == 0)
173 5cdb1798 2005-10-29 devnull 			pop->pipeline = 1;
174 5cdb1798 2005-10-29 devnull 	}
175 5cdb1798 2005-10-29 devnull 
176 5cdb1798 2005-10-29 devnull 	if(hastls && !pop->notls){
177 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "STLS");
178 5cdb1798 2005-10-29 devnull 		if(!isokay(s = pop3resp(pop)))
179 5cdb1798 2005-10-29 devnull 			return s;
180 5cdb1798 2005-10-29 devnull 		if((s = pop3pushtls(pop)) != nil)
181 5cdb1798 2005-10-29 devnull 			return s;
182 5cdb1798 2005-10-29 devnull 	}
183 5cdb1798 2005-10-29 devnull 	return nil;
184 5cdb1798 2005-10-29 devnull }
185 5cdb1798 2005-10-29 devnull 
186 cbeb0b26 2006-04-01 devnull /* */
187 cbeb0b26 2006-04-01 devnull /* log in using APOP if possible, password if allowed by user */
188 cbeb0b26 2006-04-01 devnull /* */
189 5cdb1798 2005-10-29 devnull static char*
190 5cdb1798 2005-10-29 devnull pop3login(Pop *pop)
191 5cdb1798 2005-10-29 devnull {
192 5cdb1798 2005-10-29 devnull 	int n;
193 5cdb1798 2005-10-29 devnull 	char *s, *p, *q;
194 5cdb1798 2005-10-29 devnull 	char ubuf[128], user[128];
195 5cdb1798 2005-10-29 devnull 	char buf[500];
196 5cdb1798 2005-10-29 devnull 	UserPasswd *up;
197 5cdb1798 2005-10-29 devnull 
198 5cdb1798 2005-10-29 devnull 	s = pop3resp(pop);
199 5cdb1798 2005-10-29 devnull 	if(!isokay(s))
200 5cdb1798 2005-10-29 devnull 		return "error in initial handshake";
201 5cdb1798 2005-10-29 devnull 
202 5cdb1798 2005-10-29 devnull 	if(pop->user)
203 5cdb1798 2005-10-29 devnull 		snprint(ubuf, sizeof ubuf, " user=%q", pop->user);
204 5cdb1798 2005-10-29 devnull 	else
205 5cdb1798 2005-10-29 devnull 		ubuf[0] = '\0';
206 5cdb1798 2005-10-29 devnull 
207 cbeb0b26 2006-04-01 devnull 	/* look for apop banner */
208 5cdb1798 2005-10-29 devnull 	if(pop->ppop==0 && (p = strchr(s, '<')) && (q = strchr(p+1, '>'))) {
209 5cdb1798 2005-10-29 devnull 		*++q = '\0';
210 5cdb1798 2005-10-29 devnull 		if((n=auth_respond(p, q-p, user, sizeof user, buf, sizeof buf, auth_getkey, "proto=apop role=client server=%q%s",
211 5cdb1798 2005-10-29 devnull 			pop->host, ubuf)) < 0)
212 5cdb1798 2005-10-29 devnull 			return "factotum failed";
213 5cdb1798 2005-10-29 devnull 		if(user[0]=='\0')
214 5cdb1798 2005-10-29 devnull 			return "factotum did not return a user name";
215 5cdb1798 2005-10-29 devnull 
216 5cdb1798 2005-10-29 devnull 		if(s = pop3capa(pop))
217 5cdb1798 2005-10-29 devnull 			return s;
218 5cdb1798 2005-10-29 devnull 
219 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "APOP %s %.*s", user, n, buf);
220 5cdb1798 2005-10-29 devnull 		if(!isokay(s = pop3resp(pop)))
221 5cdb1798 2005-10-29 devnull 			return s;
222 5cdb1798 2005-10-29 devnull 
223 5cdb1798 2005-10-29 devnull 		return nil;
224 5cdb1798 2005-10-29 devnull 	} else {
225 5cdb1798 2005-10-29 devnull 		if(pop->ppop == 0)
226 5cdb1798 2005-10-29 devnull 			return "no APOP hdr from server";
227 5cdb1798 2005-10-29 devnull 
228 5cdb1798 2005-10-29 devnull 		if(s = pop3capa(pop))
229 5cdb1798 2005-10-29 devnull 			return s;
230 5cdb1798 2005-10-29 devnull 
231 5cdb1798 2005-10-29 devnull 		if(pop->needtls && !pop->encrypted)
232 5cdb1798 2005-10-29 devnull 			return "could not negotiate TLS";
233 5cdb1798 2005-10-29 devnull 
234 605c0ea1 2006-02-08 devnull 		up = auth_getuserpasswd(auth_getkey, "proto=pass role=client service=pop dom=%q%s",
235 5cdb1798 2005-10-29 devnull 			pop->host, ubuf);
236 5cdb1798 2005-10-29 devnull 		if(up == nil)
237 5cdb1798 2005-10-29 devnull 			return "no usable keys found";
238 5cdb1798 2005-10-29 devnull 
239 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "USER %s", up->user);
240 5cdb1798 2005-10-29 devnull 		if(!isokay(s = pop3resp(pop))){
241 5cdb1798 2005-10-29 devnull 			free(up);
242 5cdb1798 2005-10-29 devnull 			return s;
243 5cdb1798 2005-10-29 devnull 		}
244 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "PASS %s", up->passwd);
245 5cdb1798 2005-10-29 devnull 		free(up);
246 5cdb1798 2005-10-29 devnull 		if(!isokay(s = pop3resp(pop)))
247 5cdb1798 2005-10-29 devnull 			return s;
248 5cdb1798 2005-10-29 devnull 
249 5cdb1798 2005-10-29 devnull 		return nil;
250 5cdb1798 2005-10-29 devnull 	}
251 5cdb1798 2005-10-29 devnull }
252 5cdb1798 2005-10-29 devnull 
253 cbeb0b26 2006-04-01 devnull /* */
254 cbeb0b26 2006-04-01 devnull /* dial and handshake with pop server */
255 cbeb0b26 2006-04-01 devnull /* */
256 5cdb1798 2005-10-29 devnull static char*
257 5cdb1798 2005-10-29 devnull pop3dial(Pop *pop)
258 5cdb1798 2005-10-29 devnull {
259 5cdb1798 2005-10-29 devnull 	char *err;
260 5cdb1798 2005-10-29 devnull 
261 5cdb1798 2005-10-29 devnull 	if((pop->fd = dial(netmkaddr(pop->host, "net", pop->needssl ? "pop3s" : "pop3"), 0, 0, 0)) < 0)
262 5cdb1798 2005-10-29 devnull 		return geterrstr();
263 5cdb1798 2005-10-29 devnull 
264 5cdb1798 2005-10-29 devnull 	if(pop->needssl){
265 5cdb1798 2005-10-29 devnull 		if((err = pop3pushtls(pop)) != nil)
266 5cdb1798 2005-10-29 devnull 			return err;
267 5cdb1798 2005-10-29 devnull 	}else{
268 5cdb1798 2005-10-29 devnull 		Binit(&pop->bin, pop->fd, OREAD);
269 5cdb1798 2005-10-29 devnull 		Binit(&pop->bout, pop->fd, OWRITE);
270 5cdb1798 2005-10-29 devnull 	}
271 5cdb1798 2005-10-29 devnull 
272 5cdb1798 2005-10-29 devnull 	if(err = pop3login(pop)) {
273 5cdb1798 2005-10-29 devnull 		close(pop->fd);
274 5cdb1798 2005-10-29 devnull 		return err;
275 5cdb1798 2005-10-29 devnull 	}
276 5cdb1798 2005-10-29 devnull 
277 5cdb1798 2005-10-29 devnull 	return nil;
278 5cdb1798 2005-10-29 devnull }
279 5cdb1798 2005-10-29 devnull 
280 cbeb0b26 2006-04-01 devnull /* */
281 cbeb0b26 2006-04-01 devnull /* close connection */
282 cbeb0b26 2006-04-01 devnull /* */
283 5cdb1798 2005-10-29 devnull static void
284 5cdb1798 2005-10-29 devnull pop3hangup(Pop *pop)
285 5cdb1798 2005-10-29 devnull {
286 5cdb1798 2005-10-29 devnull 	pop3cmd(pop, "QUIT");
287 5cdb1798 2005-10-29 devnull 	pop3resp(pop);
288 5cdb1798 2005-10-29 devnull 	close(pop->fd);
289 5cdb1798 2005-10-29 devnull }
290 5cdb1798 2005-10-29 devnull 
291 cbeb0b26 2006-04-01 devnull /* */
292 cbeb0b26 2006-04-01 devnull /* download a single message */
293 cbeb0b26 2006-04-01 devnull /* */
294 5cdb1798 2005-10-29 devnull static char*
295 5cdb1798 2005-10-29 devnull pop3download(Pop *pop, Message *m)
296 5cdb1798 2005-10-29 devnull {
297 5cdb1798 2005-10-29 devnull 	char *s, *f[3], *wp, *ep;
298 5cdb1798 2005-10-29 devnull 	char sdigest[SHA1dlen*2+1];
299 5cdb1798 2005-10-29 devnull 	int i, l, sz;
300 5cdb1798 2005-10-29 devnull 
301 5cdb1798 2005-10-29 devnull 	if(!pop->pipeline)
302 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "LIST %d", m->mesgno);
303 5cdb1798 2005-10-29 devnull 	if(!isokay(s = pop3resp(pop)))
304 5cdb1798 2005-10-29 devnull 		return s;
305 5cdb1798 2005-10-29 devnull 
306 5cdb1798 2005-10-29 devnull 	if(tokenize(s, f, 3) != 3)
307 5cdb1798 2005-10-29 devnull 		return "syntax error in LIST response";
308 5cdb1798 2005-10-29 devnull 
309 5cdb1798 2005-10-29 devnull 	if(atoi(f[1]) != m->mesgno)
310 5cdb1798 2005-10-29 devnull 		return "out of sync with pop3 server";
311 5cdb1798 2005-10-29 devnull 
312 5cdb1798 2005-10-29 devnull 	sz = atoi(f[2])+200;	/* 200 because the plan9 pop3 server lies */
313 5cdb1798 2005-10-29 devnull 	if(sz == 0)
314 5cdb1798 2005-10-29 devnull 		return "invalid size in LIST response";
315 5cdb1798 2005-10-29 devnull 
316 5cdb1798 2005-10-29 devnull 	m->start = wp = emalloc(sz+1);
317 5cdb1798 2005-10-29 devnull 	ep = wp+sz;
318 5cdb1798 2005-10-29 devnull 
319 5cdb1798 2005-10-29 devnull 	if(!pop->pipeline)
320 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "RETR %d", m->mesgno);
321 5cdb1798 2005-10-29 devnull 	if(!isokay(s = pop3resp(pop))) {
322 5cdb1798 2005-10-29 devnull 		m->start = nil;
323 5cdb1798 2005-10-29 devnull 		free(wp);
324 5cdb1798 2005-10-29 devnull 		return s;
325 5cdb1798 2005-10-29 devnull 	}
326 5cdb1798 2005-10-29 devnull 
327 5cdb1798 2005-10-29 devnull 	s = nil;
328 5cdb1798 2005-10-29 devnull 	while(wp <= ep) {
329 5cdb1798 2005-10-29 devnull 		s = pop3resp(pop);
330 5cdb1798 2005-10-29 devnull 		if(strcmp(s, "unexpected eof") == 0) {
331 5cdb1798 2005-10-29 devnull 			free(m->start);
332 5cdb1798 2005-10-29 devnull 			m->start = nil;
333 5cdb1798 2005-10-29 devnull 			return "unexpected end of conversation";
334 5cdb1798 2005-10-29 devnull 		}
335 5cdb1798 2005-10-29 devnull 		if(strcmp(s, ".") == 0)
336 5cdb1798 2005-10-29 devnull 			break;
337 5cdb1798 2005-10-29 devnull 
338 5cdb1798 2005-10-29 devnull 		l = strlen(s)+1;
339 5cdb1798 2005-10-29 devnull 		if(s[0] == '.') {
340 5cdb1798 2005-10-29 devnull 			s++;
341 5cdb1798 2005-10-29 devnull 			l--;
342 5cdb1798 2005-10-29 devnull 		}
343 5cdb1798 2005-10-29 devnull 		/*
344 5cdb1798 2005-10-29 devnull 		 * grow by 10%/200bytes - some servers
345 5cdb1798 2005-10-29 devnull 		 *  lie about message sizes
346 5cdb1798 2005-10-29 devnull 		 */
347 5cdb1798 2005-10-29 devnull 		if(wp+l > ep) {
348 5cdb1798 2005-10-29 devnull 			int pos = wp - m->start;
349 5cdb1798 2005-10-29 devnull 			sz += ((sz / 10) < 200)? 200: sz/10;
350 5cdb1798 2005-10-29 devnull 			m->start = erealloc(m->start, sz+1);
351 5cdb1798 2005-10-29 devnull 			wp = m->start+pos;
352 5cdb1798 2005-10-29 devnull 			ep = m->start+sz;
353 5cdb1798 2005-10-29 devnull 		}
354 5cdb1798 2005-10-29 devnull 		memmove(wp, s, l-1);
355 5cdb1798 2005-10-29 devnull 		wp[l-1] = '\n';
356 5cdb1798 2005-10-29 devnull 		wp += l;
357 5cdb1798 2005-10-29 devnull 	}
358 5cdb1798 2005-10-29 devnull 
359 5cdb1798 2005-10-29 devnull 	if(s == nil || strcmp(s, ".") != 0)
360 5cdb1798 2005-10-29 devnull 		return "out of sync with pop3 server";
361 5cdb1798 2005-10-29 devnull 
362 5cdb1798 2005-10-29 devnull 	m->end = wp;
363 5cdb1798 2005-10-29 devnull 
364 cbeb0b26 2006-04-01 devnull 	/* make sure there's a trailing null */
365 cbeb0b26 2006-04-01 devnull 	/* (helps in body searches) */
366 5cdb1798 2005-10-29 devnull 	*m->end = 0;
367 5cdb1798 2005-10-29 devnull 	m->bend = m->rbend = m->end;
368 5cdb1798 2005-10-29 devnull 	m->header = m->start;
369 5cdb1798 2005-10-29 devnull 
370 cbeb0b26 2006-04-01 devnull 	/* digest message */
371 5cdb1798 2005-10-29 devnull 	sha1((uchar*)m->start, m->end - m->start, m->digest, nil);
372 5cdb1798 2005-10-29 devnull 	for(i = 0; i < SHA1dlen; i++)
373 5cdb1798 2005-10-29 devnull 		sprint(sdigest+2*i, "%2.2ux", m->digest[i]);
374 5cdb1798 2005-10-29 devnull 	m->sdigest = s_copy(sdigest);
375 5cdb1798 2005-10-29 devnull 
376 5cdb1798 2005-10-29 devnull 	return nil;
377 5cdb1798 2005-10-29 devnull }
378 5cdb1798 2005-10-29 devnull 
379 cbeb0b26 2006-04-01 devnull /* */
380 cbeb0b26 2006-04-01 devnull /* check for new messages on pop server */
381 cbeb0b26 2006-04-01 devnull /* UIDL is not required by RFC 1939, but  */
382 cbeb0b26 2006-04-01 devnull /* netscape requires it, so almost every server supports it. */
383 cbeb0b26 2006-04-01 devnull /* we'll use it to make our lives easier. */
384 cbeb0b26 2006-04-01 devnull /* */
385 5cdb1798 2005-10-29 devnull static char*
386 5cdb1798 2005-10-29 devnull pop3read(Pop *pop, Mailbox *mb, int doplumb)
387 5cdb1798 2005-10-29 devnull {
388 5cdb1798 2005-10-29 devnull 	char *s, *p, *uidl, *f[2];
389 5cdb1798 2005-10-29 devnull 	int mesgno, ignore, nnew;
390 5cdb1798 2005-10-29 devnull 	Message *m, *next, **l;
391 5cdb1798 2005-10-29 devnull 
392 cbeb0b26 2006-04-01 devnull 	/* Some POP servers disallow UIDL if the maildrop is empty. */
393 5cdb1798 2005-10-29 devnull 	pop3cmd(pop, "STAT");
394 5cdb1798 2005-10-29 devnull 	if(!isokay(s = pop3resp(pop)))
395 5cdb1798 2005-10-29 devnull 		return s;
396 5cdb1798 2005-10-29 devnull 
397 cbeb0b26 2006-04-01 devnull 	/* fetch message listing; note messages to grab */
398 5cdb1798 2005-10-29 devnull 	l = &mb->root->part;
399 5cdb1798 2005-10-29 devnull 	if(strncmp(s, "+OK 0 ", 6) != 0) {
400 5cdb1798 2005-10-29 devnull 		pop3cmd(pop, "UIDL");
401 5cdb1798 2005-10-29 devnull 		if(!isokay(s = pop3resp(pop)))
402 5cdb1798 2005-10-29 devnull 			return s;
403 5cdb1798 2005-10-29 devnull 
404 5cdb1798 2005-10-29 devnull 		for(;;){
405 5cdb1798 2005-10-29 devnull 			p = pop3resp(pop);
406 5cdb1798 2005-10-29 devnull 			if(strcmp(p, ".") == 0 || strcmp(p, "unexpected eof") == 0)
407 5cdb1798 2005-10-29 devnull 				break;
408 5cdb1798 2005-10-29 devnull 
409 5cdb1798 2005-10-29 devnull 			if(tokenize(p, f, 2) != 2)
410 5cdb1798 2005-10-29 devnull 				continue;
411 5cdb1798 2005-10-29 devnull 
412 5cdb1798 2005-10-29 devnull 			mesgno = atoi(f[0]);
413 5cdb1798 2005-10-29 devnull 			uidl = f[1];
414 cbeb0b26 2006-04-01 devnull 			if(strlen(uidl) > 75)	/* RFC 1939 says 70 characters max */
415 5cdb1798 2005-10-29 devnull 				continue;
416 5cdb1798 2005-10-29 devnull 
417 5cdb1798 2005-10-29 devnull 			ignore = 0;
418 5cdb1798 2005-10-29 devnull 			while(*l != nil) {
419 5cdb1798 2005-10-29 devnull 				if(strcmp((*l)->uidl, uidl) == 0) {
420 cbeb0b26 2006-04-01 devnull 					/* matches mail we already have, note mesgno for deletion */
421 5cdb1798 2005-10-29 devnull 					(*l)->mesgno = mesgno;
422 5cdb1798 2005-10-29 devnull 					ignore = 1;
423 5cdb1798 2005-10-29 devnull 					l = &(*l)->next;
424 5cdb1798 2005-10-29 devnull 					break;
425 5cdb1798 2005-10-29 devnull 				} else {
426 cbeb0b26 2006-04-01 devnull 					/* old mail no longer in box mark deleted */
427 5cdb1798 2005-10-29 devnull 					if(doplumb)
428 5cdb1798 2005-10-29 devnull 						mailplumb(mb, *l, 1);
429 5cdb1798 2005-10-29 devnull 					(*l)->inmbox = 0;
430 5cdb1798 2005-10-29 devnull 					(*l)->deleted = 1;
431 5cdb1798 2005-10-29 devnull 					l = &(*l)->next;
432 5cdb1798 2005-10-29 devnull 				}
433 5cdb1798 2005-10-29 devnull 			}
434 5cdb1798 2005-10-29 devnull 			if(ignore)
435 5cdb1798 2005-10-29 devnull 				continue;
436 5cdb1798 2005-10-29 devnull 
437 5cdb1798 2005-10-29 devnull 			m = newmessage(mb->root);
438 5cdb1798 2005-10-29 devnull 			m->mallocd = 1;
439 5cdb1798 2005-10-29 devnull 			m->inmbox = 1;
440 5cdb1798 2005-10-29 devnull 			m->mesgno = mesgno;
441 5cdb1798 2005-10-29 devnull 			strcpy(m->uidl, uidl);
442 5cdb1798 2005-10-29 devnull 
443 cbeb0b26 2006-04-01 devnull 			/* chain in; will fill in message later */
444 5cdb1798 2005-10-29 devnull 			*l = m;
445 5cdb1798 2005-10-29 devnull 			l = &m->next;
446 5cdb1798 2005-10-29 devnull 		}
447 5cdb1798 2005-10-29 devnull 	}
448 5cdb1798 2005-10-29 devnull 
449 cbeb0b26 2006-04-01 devnull 	/* whatever is left has been removed from the mbox, mark as deleted */
450 5cdb1798 2005-10-29 devnull 	while(*l != nil) {
451 5cdb1798 2005-10-29 devnull 		if(doplumb)
452 5cdb1798 2005-10-29 devnull 			mailplumb(mb, *l, 1);
453 5cdb1798 2005-10-29 devnull 		(*l)->inmbox = 0;
454 5cdb1798 2005-10-29 devnull 		(*l)->deleted = 1;
455 5cdb1798 2005-10-29 devnull 		l = &(*l)->next;
456 5cdb1798 2005-10-29 devnull 	}
457 5cdb1798 2005-10-29 devnull 
458 cbeb0b26 2006-04-01 devnull 	/* download new messages */
459 5cdb1798 2005-10-29 devnull 	nnew = 0;
460 5cdb1798 2005-10-29 devnull 	if(pop->pipeline){
461 5cdb1798 2005-10-29 devnull 		switch(rfork(RFPROC|RFMEM)){
462 5cdb1798 2005-10-29 devnull 		case -1:
463 5cdb1798 2005-10-29 devnull 			fprint(2, "rfork: %r\n");
464 5cdb1798 2005-10-29 devnull 			pop->pipeline = 0;
465 5cdb1798 2005-10-29 devnull 
466 5cdb1798 2005-10-29 devnull 		default:
467 5cdb1798 2005-10-29 devnull 			break;
468 5cdb1798 2005-10-29 devnull 
469 5cdb1798 2005-10-29 devnull 		case 0:
470 5cdb1798 2005-10-29 devnull 			for(m = mb->root->part; m != nil; m = m->next){
471 5cdb1798 2005-10-29 devnull 				if(m->start != nil)
472 5cdb1798 2005-10-29 devnull 					continue;
473 5cdb1798 2005-10-29 devnull 				Bprint(&pop->bout, "LIST %d\r\nRETR %d\r\n", m->mesgno, m->mesgno);
474 5cdb1798 2005-10-29 devnull 			}
475 5cdb1798 2005-10-29 devnull 			Bflush(&pop->bout);
476 5cdb1798 2005-10-29 devnull 			threadexits(nil);
477 5cdb1798 2005-10-29 devnull 			/* _exits(nil); jpc */
478 5cdb1798 2005-10-29 devnull 		}
479 5cdb1798 2005-10-29 devnull 	}
480 5cdb1798 2005-10-29 devnull 
481 5cdb1798 2005-10-29 devnull 	for(m = mb->root->part; m != nil; m = next) {
482 5cdb1798 2005-10-29 devnull 		next = m->next;
483 5cdb1798 2005-10-29 devnull 
484 5cdb1798 2005-10-29 devnull 		if(m->start != nil)
485 5cdb1798 2005-10-29 devnull 			continue;
486 5cdb1798 2005-10-29 devnull 
487 5cdb1798 2005-10-29 devnull 		if(s = pop3download(pop, m)) {
488 cbeb0b26 2006-04-01 devnull 			/* message disappeared? unchain */
489 5cdb1798 2005-10-29 devnull 			fprint(2, "download %d: %s\n", m->mesgno, s);
490 5cdb1798 2005-10-29 devnull 			delmessage(mb, m);
491 5cdb1798 2005-10-29 devnull 			mb->root->subname--;
492 5cdb1798 2005-10-29 devnull 			continue;
493 5cdb1798 2005-10-29 devnull 		}
494 5cdb1798 2005-10-29 devnull 		nnew++;
495 5cdb1798 2005-10-29 devnull 		parse(m, 0, mb, 1);
496 5cdb1798 2005-10-29 devnull 
497 5cdb1798 2005-10-29 devnull 		if(doplumb)
498 5cdb1798 2005-10-29 devnull 			mailplumb(mb, m, 0);
499 5cdb1798 2005-10-29 devnull 	}
500 5cdb1798 2005-10-29 devnull 	if(pop->pipeline)
501 5cdb1798 2005-10-29 devnull 		waitpid();
502 5cdb1798 2005-10-29 devnull 
503 5cdb1798 2005-10-29 devnull 	if(nnew || mb->vers == 0) {
504 5cdb1798 2005-10-29 devnull 		mb->vers++;
505 5cdb1798 2005-10-29 devnull 		henter(PATH(0, Qtop), mb->name,
506 5cdb1798 2005-10-29 devnull 			(Qid){PATH(mb->id, Qmbox), mb->vers, QTDIR}, nil, mb);
507 5cdb1798 2005-10-29 devnull 	}
508 5cdb1798 2005-10-29 devnull 
509 5cdb1798 2005-10-29 devnull 	return nil;	
510 5cdb1798 2005-10-29 devnull }
511 5cdb1798 2005-10-29 devnull 
512 cbeb0b26 2006-04-01 devnull /* */
513 cbeb0b26 2006-04-01 devnull /* delete marked messages */
514 cbeb0b26 2006-04-01 devnull /* */
515 5cdb1798 2005-10-29 devnull static void
516 5cdb1798 2005-10-29 devnull pop3purge(Pop *pop, Mailbox *mb)
517 5cdb1798 2005-10-29 devnull {
518 5cdb1798 2005-10-29 devnull 	Message *m, *next;
519 5cdb1798 2005-10-29 devnull 
520 5cdb1798 2005-10-29 devnull 	if(pop->pipeline){
521 5cdb1798 2005-10-29 devnull 		switch(rfork(RFPROC|RFMEM)){
522 5cdb1798 2005-10-29 devnull 		case -1:
523 5cdb1798 2005-10-29 devnull 			fprint(2, "rfork: %r\n");
524 5cdb1798 2005-10-29 devnull 			pop->pipeline = 0;
525 5cdb1798 2005-10-29 devnull 
526 5cdb1798 2005-10-29 devnull 		default:
527 5cdb1798 2005-10-29 devnull 			break;
528 5cdb1798 2005-10-29 devnull 
529 5cdb1798 2005-10-29 devnull 		case 0:
530 5cdb1798 2005-10-29 devnull 			for(m = mb->root->part; m != nil; m = next){
531 5cdb1798 2005-10-29 devnull 				next = m->next;
532 5cdb1798 2005-10-29 devnull 				if(m->deleted && m->refs == 0){
533 5cdb1798 2005-10-29 devnull 					if(m->inmbox)
534 5cdb1798 2005-10-29 devnull 						Bprint(&pop->bout, "DELE %d\r\n", m->mesgno);
535 5cdb1798 2005-10-29 devnull 				}
536 5cdb1798 2005-10-29 devnull 			}
537 5cdb1798 2005-10-29 devnull 			Bflush(&pop->bout);
538 5cdb1798 2005-10-29 devnull 			/* _exits(nil); jpc */
539 5cdb1798 2005-10-29 devnull 			threadexits(nil);
540 5cdb1798 2005-10-29 devnull 		}
541 5cdb1798 2005-10-29 devnull 	}
542 5cdb1798 2005-10-29 devnull 	for(m = mb->root->part; m != nil; m = next) {
543 5cdb1798 2005-10-29 devnull 		next = m->next;
544 5cdb1798 2005-10-29 devnull 		if(m->deleted && m->refs == 0) {
545 5cdb1798 2005-10-29 devnull 			if(m->inmbox) {
546 5cdb1798 2005-10-29 devnull 				if(!pop->pipeline)
547 5cdb1798 2005-10-29 devnull 					pop3cmd(pop, "DELE %d", m->mesgno);
548 5cdb1798 2005-10-29 devnull 				if(isokay(pop3resp(pop)))
549 5cdb1798 2005-10-29 devnull 					delmessage(mb, m);
550 5cdb1798 2005-10-29 devnull 			} else
551 5cdb1798 2005-10-29 devnull 				delmessage(mb, m);
552 5cdb1798 2005-10-29 devnull 		}
553 5cdb1798 2005-10-29 devnull 	}
554 5cdb1798 2005-10-29 devnull }
555 5cdb1798 2005-10-29 devnull 
556 5cdb1798 2005-10-29 devnull 
557 cbeb0b26 2006-04-01 devnull /* connect to pop3 server, sync mailbox */
558 5cdb1798 2005-10-29 devnull static char*
559 5cdb1798 2005-10-29 devnull pop3sync(Mailbox *mb, int doplumb)
560 5cdb1798 2005-10-29 devnull {
561 5cdb1798 2005-10-29 devnull 	char *err;
562 5cdb1798 2005-10-29 devnull 	Pop *pop;
563 5cdb1798 2005-10-29 devnull 
564 5cdb1798 2005-10-29 devnull 	pop = mb->aux;
565 5cdb1798 2005-10-29 devnull 
566 5cdb1798 2005-10-29 devnull 	if(err = pop3dial(pop)) {
567 5cdb1798 2005-10-29 devnull 		mb->waketime = time(0) + pop->refreshtime;
568 5cdb1798 2005-10-29 devnull 		return err;
569 5cdb1798 2005-10-29 devnull 	}
570 5cdb1798 2005-10-29 devnull 
571 5cdb1798 2005-10-29 devnull 	if((err = pop3read(pop, mb, doplumb)) == nil){
572 5cdb1798 2005-10-29 devnull 		pop3purge(pop, mb);
573 5cdb1798 2005-10-29 devnull 		mb->d->atime = mb->d->mtime = time(0);
574 5cdb1798 2005-10-29 devnull 	}
575 5cdb1798 2005-10-29 devnull 	pop3hangup(pop);
576 5cdb1798 2005-10-29 devnull 	mb->waketime = time(0) + pop->refreshtime;
577 5cdb1798 2005-10-29 devnull 	return err;
578 5cdb1798 2005-10-29 devnull }
579 5cdb1798 2005-10-29 devnull 
580 5cdb1798 2005-10-29 devnull static char Epop3ctl[] = "bad pop3 control message";
581 5cdb1798 2005-10-29 devnull 
582 5cdb1798 2005-10-29 devnull static char*
583 5cdb1798 2005-10-29 devnull pop3ctl(Mailbox *mb, int argc, char **argv)
584 5cdb1798 2005-10-29 devnull {
585 5cdb1798 2005-10-29 devnull 	int n;
586 5cdb1798 2005-10-29 devnull 	Pop *pop;
587 5cdb1798 2005-10-29 devnull 	char *m, *me;
588 5cdb1798 2005-10-29 devnull 
589 5cdb1798 2005-10-29 devnull 	pop = mb->aux;
590 5cdb1798 2005-10-29 devnull 	if(argc < 1)
591 5cdb1798 2005-10-29 devnull 		return Epop3ctl;
592 5cdb1798 2005-10-29 devnull 
593 5cdb1798 2005-10-29 devnull 	if(argc==1 && strcmp(argv[0], "debug")==0){
594 5cdb1798 2005-10-29 devnull 		pop->debug = 1;
595 5cdb1798 2005-10-29 devnull 		return nil;
596 5cdb1798 2005-10-29 devnull 	}
597 5cdb1798 2005-10-29 devnull 
598 5cdb1798 2005-10-29 devnull 	if(argc==1 && strcmp(argv[0], "nodebug")==0){
599 5cdb1798 2005-10-29 devnull 		pop->debug = 0;
600 5cdb1798 2005-10-29 devnull 		return nil;
601 5cdb1798 2005-10-29 devnull 	}
602 5cdb1798 2005-10-29 devnull 
603 5cdb1798 2005-10-29 devnull 	if(argc==1 && strcmp(argv[0], "thumbprint")==0){
604 5cdb1798 2005-10-29 devnull 		if(pop->thumb)
605 5cdb1798 2005-10-29 devnull 			freeThumbprints(pop->thumb);
606 5cdb1798 2005-10-29 devnull 		/* pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude"); jpc */
607 5cdb1798 2005-10-29 devnull 		m = unsharp("#9/sys/lib/tls/mail");
608 5cdb1798 2005-10-29 devnull 		me = unsharp("#9/sys/lib/tls/mail.exclude");
609 5cdb1798 2005-10-29 devnull 		pop->thumb = initThumbprints(m, me);
610 5cdb1798 2005-10-29 devnull 	}
611 5cdb1798 2005-10-29 devnull 	if(strcmp(argv[0], "refresh")==0){
612 5cdb1798 2005-10-29 devnull 		if(argc==1){
613 5cdb1798 2005-10-29 devnull 			pop->refreshtime = 60;
614 5cdb1798 2005-10-29 devnull 			return nil;
615 5cdb1798 2005-10-29 devnull 		}
616 5cdb1798 2005-10-29 devnull 		if(argc==2){
617 5cdb1798 2005-10-29 devnull 			n = atoi(argv[1]);
618 5cdb1798 2005-10-29 devnull 			if(n < 15)
619 5cdb1798 2005-10-29 devnull 				return Epop3ctl;
620 5cdb1798 2005-10-29 devnull 			pop->refreshtime = n;
621 5cdb1798 2005-10-29 devnull 			return nil;
622 5cdb1798 2005-10-29 devnull 		}
623 5cdb1798 2005-10-29 devnull 	}
624 5cdb1798 2005-10-29 devnull 
625 5cdb1798 2005-10-29 devnull 	return Epop3ctl;
626 5cdb1798 2005-10-29 devnull }
627 5cdb1798 2005-10-29 devnull 
628 cbeb0b26 2006-04-01 devnull /* free extra memory associated with mb */
629 5cdb1798 2005-10-29 devnull static void
630 5cdb1798 2005-10-29 devnull pop3close(Mailbox *mb)
631 5cdb1798 2005-10-29 devnull {
632 5cdb1798 2005-10-29 devnull 	Pop *pop;
633 5cdb1798 2005-10-29 devnull 
634 5cdb1798 2005-10-29 devnull 	pop = mb->aux;
635 5cdb1798 2005-10-29 devnull 	free(pop->freep);
636 5cdb1798 2005-10-29 devnull 	free(pop);
637 5cdb1798 2005-10-29 devnull }
638 5cdb1798 2005-10-29 devnull 
639 cbeb0b26 2006-04-01 devnull /* */
640 cbeb0b26 2006-04-01 devnull /* open mailboxes of the form /pop/host/user or /apop/host/user */
641 cbeb0b26 2006-04-01 devnull /* */
642 5cdb1798 2005-10-29 devnull char*
643 5cdb1798 2005-10-29 devnull pop3mbox(Mailbox *mb, char *path)
644 5cdb1798 2005-10-29 devnull {
645 5cdb1798 2005-10-29 devnull 	char *f[10];
646 5cdb1798 2005-10-29 devnull 	int nf, apop, ppop, popssl, apopssl, apoptls, popnotls, apopnotls, poptls;
647 5cdb1798 2005-10-29 devnull 	Pop *pop;
648 5cdb1798 2005-10-29 devnull 	char *m, *me;
649 5cdb1798 2005-10-29 devnull 
650 5cdb1798 2005-10-29 devnull 	quotefmtinstall();
651 5cdb1798 2005-10-29 devnull 	popssl = strncmp(path, "/pops/", 6) == 0;
652 5cdb1798 2005-10-29 devnull 	apopssl = strncmp(path, "/apops/", 7) == 0;
653 5cdb1798 2005-10-29 devnull 	poptls = strncmp(path, "/poptls/", 8) == 0;
654 5cdb1798 2005-10-29 devnull 	popnotls = strncmp(path, "/popnotls/", 10) == 0;
655 5cdb1798 2005-10-29 devnull 	ppop = popssl || poptls || popnotls || strncmp(path, "/pop/", 5) == 0;
656 5cdb1798 2005-10-29 devnull 	apoptls = strncmp(path, "/apoptls/", 9) == 0;
657 5cdb1798 2005-10-29 devnull 	apopnotls = strncmp(path, "/apopnotls/", 11) == 0;
658 5cdb1798 2005-10-29 devnull 	apop = apopssl || apoptls || apopnotls || strncmp(path, "/apop/", 6) == 0;
659 5cdb1798 2005-10-29 devnull 
660 5cdb1798 2005-10-29 devnull 	if(!ppop && !apop)
661 5cdb1798 2005-10-29 devnull 		return Enotme;
662 5cdb1798 2005-10-29 devnull 
663 5cdb1798 2005-10-29 devnull 	path = strdup(path);
664 5cdb1798 2005-10-29 devnull 	if(path == nil)
665 5cdb1798 2005-10-29 devnull 		return "out of memory";
666 5cdb1798 2005-10-29 devnull 
667 5cdb1798 2005-10-29 devnull 	nf = getfields(path, f, nelem(f), 0, "/");
668 5cdb1798 2005-10-29 devnull 	if(nf != 3 && nf != 4) {
669 5cdb1798 2005-10-29 devnull 		free(path);
670 5cdb1798 2005-10-29 devnull 		return "bad pop3 path syntax /[a]pop[tls|ssl]/system[/user]";
671 5cdb1798 2005-10-29 devnull 	}
672 5cdb1798 2005-10-29 devnull 
673 5cdb1798 2005-10-29 devnull 	pop = emalloc(sizeof(*pop));
674 5cdb1798 2005-10-29 devnull 	pop->freep = path;
675 5cdb1798 2005-10-29 devnull 	pop->host = f[2];
676 5cdb1798 2005-10-29 devnull 	if(nf < 4)
677 5cdb1798 2005-10-29 devnull 		pop->user = nil;
678 5cdb1798 2005-10-29 devnull 	else
679 5cdb1798 2005-10-29 devnull 		pop->user = f[3];
680 5cdb1798 2005-10-29 devnull 	pop->ppop = ppop;
681 5cdb1798 2005-10-29 devnull 	pop->needssl = popssl || apopssl;
682 5cdb1798 2005-10-29 devnull 	pop->needtls = poptls || apoptls;
683 5cdb1798 2005-10-29 devnull 	pop->refreshtime = 60;
684 5cdb1798 2005-10-29 devnull 	pop->notls = popnotls || apopnotls;
685 5cdb1798 2005-10-29 devnull 	/* pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude"); jpc */
686 5cdb1798 2005-10-29 devnull 		m = unsharp("#9/sys/lib/tls/mail");
687 5cdb1798 2005-10-29 devnull 		me = unsharp("#9/sys/lib/tls/mail.exclude");
688 5cdb1798 2005-10-29 devnull 		pop->thumb = initThumbprints(m, me);
689 5cdb1798 2005-10-29 devnull 
690 5cdb1798 2005-10-29 devnull 	mb->aux = pop;
691 5cdb1798 2005-10-29 devnull 	mb->sync = pop3sync;
692 5cdb1798 2005-10-29 devnull 	mb->close = pop3close;
693 5cdb1798 2005-10-29 devnull 	mb->ctl = pop3ctl;
694 5cdb1798 2005-10-29 devnull 	mb->d = emalloc(sizeof(*mb->d));
695 5cdb1798 2005-10-29 devnull 
696 5cdb1798 2005-10-29 devnull 	return nil;
697 5cdb1798 2005-10-29 devnull }
698 5cdb1798 2005-10-29 devnull