1 9f1fdc12 2005-10-29 devnull #include <u.h>
  2 9f1fdc12 2005-10-29 devnull #include <libc.h>
  3 9f1fdc12 2005-10-29 devnull #include <bio.h>
  4 9f1fdc12 2005-10-29 devnull #include <thread.h>
  5 9f1fdc12 2005-10-29 devnull #include <ctype.h>
  6 9f1fdc12 2005-10-29 devnull #include <plumb.h>
  7 9f1fdc12 2005-10-29 devnull #include <9pclient.h>
  8 9f1fdc12 2005-10-29 devnull #include "dat.h"
  9 9f1fdc12 2005-10-29 devnull 
 10 9f1fdc12 2005-10-29 devnull static int	replyid;
 11 9f1fdc12 2005-10-29 devnull 
 12 9f1fdc12 2005-10-29 devnull int
 13 9f1fdc12 2005-10-29 devnull quote(Message *m, CFid *fid, char *dir, char *quotetext)
 14 9f1fdc12 2005-10-29 devnull {
 15 9f1fdc12 2005-10-29 devnull 	char *body, *type;
 16 9f1fdc12 2005-10-29 devnull 	int i, n, nlines;
 17 9f1fdc12 2005-10-29 devnull 	char **lines;
 18 9f1fdc12 2005-10-29 devnull 
 19 9f1fdc12 2005-10-29 devnull 	if(quotetext){
 20 9f1fdc12 2005-10-29 devnull 		body = quotetext;
 21 9f1fdc12 2005-10-29 devnull 		n = strlen(body);
 22 9f1fdc12 2005-10-29 devnull 		type = nil;
 23 9f1fdc12 2005-10-29 devnull 	}else{
 24 9f1fdc12 2005-10-29 devnull 		/* look for first textual component to quote */
 25 9f1fdc12 2005-10-29 devnull 		type = readfile(dir, "type", &n);
 26 9f1fdc12 2005-10-29 devnull 		if(type == nil){
 27 9f1fdc12 2005-10-29 devnull 			print("no type in %s\n", dir);
 28 9f1fdc12 2005-10-29 devnull 			return 0;
 29 9f1fdc12 2005-10-29 devnull 		}
 30 9f1fdc12 2005-10-29 devnull 		if(strncmp(type, "multipart/", 10)==0 || strncmp(type, "message/", 8)==0){
 31 9f1fdc12 2005-10-29 devnull 			dir = estrstrdup(dir, "1/");
 32 9f1fdc12 2005-10-29 devnull 			if(quote(m, fid, dir, nil)){
 33 9f1fdc12 2005-10-29 devnull 				free(type);
 34 9f1fdc12 2005-10-29 devnull 				free(dir);
 35 9f1fdc12 2005-10-29 devnull 				return 1;
 36 9f1fdc12 2005-10-29 devnull 			}
 37 9f1fdc12 2005-10-29 devnull 			free(dir);
 38 9f1fdc12 2005-10-29 devnull 		}
 39 9f1fdc12 2005-10-29 devnull 		if(strncmp(type, "text", 4) != 0){
 40 9f1fdc12 2005-10-29 devnull 			free(type);
 41 9f1fdc12 2005-10-29 devnull 			return 0;
 42 9f1fdc12 2005-10-29 devnull 		}
 43 9f1fdc12 2005-10-29 devnull 		body = readbody(m->type, dir, &n);
 44 9f1fdc12 2005-10-29 devnull 		if(body == nil)
 45 9f1fdc12 2005-10-29 devnull 			return 0;
 46 9f1fdc12 2005-10-29 devnull 	}
 47 9f1fdc12 2005-10-29 devnull 	nlines = 0;
 48 9f1fdc12 2005-10-29 devnull 	for(i=0; i<n; i++)
 49 9f1fdc12 2005-10-29 devnull 		if(body[i] == '\n')
 50 9f1fdc12 2005-10-29 devnull 			nlines++;
 51 9f1fdc12 2005-10-29 devnull 	nlines++;
 52 9f1fdc12 2005-10-29 devnull 	lines = emalloc(nlines*sizeof(char*));
 53 9f1fdc12 2005-10-29 devnull 	nlines = getfields(body, lines, nlines, 0, "\n");
 54 9f1fdc12 2005-10-29 devnull 	/* delete leading and trailing blank lines */
 55 9f1fdc12 2005-10-29 devnull 	i = 0;
 56 9f1fdc12 2005-10-29 devnull 	while(i<nlines && lines[i][0]=='\0')
 57 9f1fdc12 2005-10-29 devnull 		i++;
 58 9f1fdc12 2005-10-29 devnull 	while(i<nlines && lines[nlines-1][0]=='\0')
 59 9f1fdc12 2005-10-29 devnull 		nlines--;
 60 9f1fdc12 2005-10-29 devnull 	while(i < nlines){
 61 9f1fdc12 2005-10-29 devnull 		fsprint(fid, ">%s%s\n", lines[i][0]=='>'? "" : " ", lines[i]);
 62 9f1fdc12 2005-10-29 devnull 		i++;
 63 9f1fdc12 2005-10-29 devnull 	}
 64 9f1fdc12 2005-10-29 devnull 	free(lines);
 65 9f1fdc12 2005-10-29 devnull 	free(body);	/* will free quotetext if non-nil */
 66 9f1fdc12 2005-10-29 devnull 	free(type);
 67 9f1fdc12 2005-10-29 devnull 	return 1;
 68 9f1fdc12 2005-10-29 devnull }
 69 9f1fdc12 2005-10-29 devnull 
 70 9f1fdc12 2005-10-29 devnull void
 71 9f1fdc12 2005-10-29 devnull mkreply(Message *m, char *label, char *to, Plumbattr *attr, char *quotetext)
 72 9f1fdc12 2005-10-29 devnull {
 73 1190a7aa 2006-03-03 devnull 	char buf[100];
 74 1190a7aa 2006-03-03 devnull 	CFid *fd;
 75 9f1fdc12 2005-10-29 devnull 	Message *r;
 76 9f1fdc12 2005-10-29 devnull 	char *dir, *t;
 77 9f1fdc12 2005-10-29 devnull 	int quotereply;
 78 9f1fdc12 2005-10-29 devnull 	Plumbattr *a;
 79 9f1fdc12 2005-10-29 devnull 
 80 9f1fdc12 2005-10-29 devnull 	quotereply = (label[0] == 'Q');
 81 1190a7aa 2006-03-03 devnull 	
 82 1190a7aa 2006-03-03 devnull 	if(quotereply && m && m->replywinid > 0){
 83 1190a7aa 2006-03-03 devnull 		snprint(buf, sizeof buf, "%d/body", m->replywinid);
 84 1190a7aa 2006-03-03 devnull 		if((fd = fsopen(acmefs, buf, OWRITE)) != nil){
 85 1190a7aa 2006-03-03 devnull 			dir = estrstrdup(mbox.name, m->name);
 86 1190a7aa 2006-03-03 devnull 			quote(m, fd, dir, quotetext);
 87 1190a7aa 2006-03-03 devnull 			free(dir);
 88 1190a7aa 2006-03-03 devnull 			return;
 89 1190a7aa 2006-03-03 devnull 		}
 90 1190a7aa 2006-03-03 devnull 	}
 91 1190a7aa 2006-03-03 devnull 	
 92 9f1fdc12 2005-10-29 devnull 	r = emalloc(sizeof(Message));
 93 9f1fdc12 2005-10-29 devnull 	r->isreply = 1;
 94 9f1fdc12 2005-10-29 devnull 	if(m != nil)
 95 9f1fdc12 2005-10-29 devnull 		r->replyname = estrdup(m->name);
 96 9f1fdc12 2005-10-29 devnull 	r->next = replies.head;
 97 9f1fdc12 2005-10-29 devnull 	r->prev = nil;
 98 9f1fdc12 2005-10-29 devnull 	if(replies.head != nil)
 99 9f1fdc12 2005-10-29 devnull 		replies.head->prev = r;
100 9f1fdc12 2005-10-29 devnull 	replies.head = r;
101 9f1fdc12 2005-10-29 devnull 	if(replies.tail == nil)
102 9f1fdc12 2005-10-29 devnull 		replies.tail = r;
103 9f1fdc12 2005-10-29 devnull 	r->name = emalloc(strlen(mbox.name)+strlen(label)+10);
104 9f1fdc12 2005-10-29 devnull 	sprint(r->name, "%s%s%d", mbox.name, label, ++replyid);
105 9f1fdc12 2005-10-29 devnull 	r->w = newwindow();
106 1190a7aa 2006-03-03 devnull 	if(m)
107 1190a7aa 2006-03-03 devnull 		m->replywinid = r->w->id;
108 9f1fdc12 2005-10-29 devnull 	winname(r->w, r->name);
109 9f1fdc12 2005-10-29 devnull 	ctlprint(r->w->ctl, "cleartag");
110 9f1fdc12 2005-10-29 devnull 	wintagwrite(r->w, "fmt Look Post Undo", 4+5+5+4);
111 9f1fdc12 2005-10-29 devnull 	r->tagposted = 1;
112 9f1fdc12 2005-10-29 devnull 	threadcreate(mesgctl, r, STACK);
113 9f1fdc12 2005-10-29 devnull 	winopenbody(r->w, OWRITE);
114 3f8c36d6 2006-02-09 devnull 	if(to!=nil && to[0]!='\0')
115 9f1fdc12 2005-10-29 devnull 		fsprint(r->w->body, "%s\n", to);
116 3f8c36d6 2006-02-09 devnull 	for(a=attr; a; a=a->next)
117 9f1fdc12 2005-10-29 devnull 		fsprint(r->w->body, "%s: %s\n", a->name, a->value);
118 9f1fdc12 2005-10-29 devnull 	dir = nil;
119 9f1fdc12 2005-10-29 devnull 	if(m != nil){
120 9f1fdc12 2005-10-29 devnull 		dir = estrstrdup(mbox.name, m->name);
121 9f1fdc12 2005-10-29 devnull 		if(to == nil && attr == nil){
122 9f1fdc12 2005-10-29 devnull 			/* Reply goes to replyto; Reply all goes to From and To and CC */
123 3f8c36d6 2006-02-09 devnull 			if(strstr(label, "all") == nil)
124 9f1fdc12 2005-10-29 devnull 				fsprint(r->w->body, "To: %s\n", m->replyto);
125 9f1fdc12 2005-10-29 devnull 			else{	/* Replyall */
126 3f8c36d6 2006-02-09 devnull 				if(strlen(m->from) > 0)
127 9f1fdc12 2005-10-29 devnull 					fsprint(r->w->body, "To: %s\n", m->from);
128 3f8c36d6 2006-02-09 devnull 				if(strlen(m->to) > 0)
129 9f1fdc12 2005-10-29 devnull 					fsprint(r->w->body, "To: %s\n", m->to);
130 3f8c36d6 2006-02-09 devnull 				if(strlen(m->cc) > 0)
131 9f1fdc12 2005-10-29 devnull 					fsprint(r->w->body, "CC: %s\n", m->cc);
132 9f1fdc12 2005-10-29 devnull 			}
133 9f1fdc12 2005-10-29 devnull 		}
134 9f1fdc12 2005-10-29 devnull 		if(strlen(m->subject) > 0){
135 9f1fdc12 2005-10-29 devnull 			t = "Subject: Re: ";
136 9f1fdc12 2005-10-29 devnull 			if(strlen(m->subject) >= 3)
137 9f1fdc12 2005-10-29 devnull 				if(tolower(m->subject[0])=='r' && tolower(m->subject[1])=='e' && m->subject[2]==':')
138 9f1fdc12 2005-10-29 devnull 					t = "Subject: ";
139 9f1fdc12 2005-10-29 devnull 			fsprint(r->w->body, "%s%s\n", t, m->subject);
140 9f1fdc12 2005-10-29 devnull 		}
141 9f1fdc12 2005-10-29 devnull 		if(!quotereply){
142 9f1fdc12 2005-10-29 devnull 			fsprint(r->w->body, "Include: %sraw\n", dir);
143 9f1fdc12 2005-10-29 devnull 			free(dir);
144 9f1fdc12 2005-10-29 devnull 		}
145 9f1fdc12 2005-10-29 devnull 	}
146 9f1fdc12 2005-10-29 devnull 	fsprint(r->w->body, "\n");
147 3f8c36d6 2006-02-09 devnull 	if(m == nil)
148 9f1fdc12 2005-10-29 devnull 		fsprint(r->w->body, "\n");
149 9f1fdc12 2005-10-29 devnull 	else if(quotereply){
150 9f1fdc12 2005-10-29 devnull 		quote(m, r->w->body, dir, quotetext);
151 9f1fdc12 2005-10-29 devnull 		free(dir);
152 9f1fdc12 2005-10-29 devnull 	}
153 9f1fdc12 2005-10-29 devnull 	winclosebody(r->w);
154 9f1fdc12 2005-10-29 devnull 	if(m==nil && (to==nil || to[0]=='\0'))
155 9f1fdc12 2005-10-29 devnull 		winselect(r->w, "0", 0);
156 9f1fdc12 2005-10-29 devnull 	else
157 9f1fdc12 2005-10-29 devnull 		winselect(r->w, "$", 0);
158 9f1fdc12 2005-10-29 devnull 	winclean(r->w);
159 9f1fdc12 2005-10-29 devnull 	windormant(r->w);
160 9f1fdc12 2005-10-29 devnull }
161 9f1fdc12 2005-10-29 devnull 
162 9f1fdc12 2005-10-29 devnull void
163 9f1fdc12 2005-10-29 devnull delreply(Message *m)
164 9f1fdc12 2005-10-29 devnull {
165 9f1fdc12 2005-10-29 devnull 	if(m->next == nil)
166 9f1fdc12 2005-10-29 devnull 		replies.tail = m->prev;
167 9f1fdc12 2005-10-29 devnull 	else
168 9f1fdc12 2005-10-29 devnull 		m->next->prev = m->prev;
169 9f1fdc12 2005-10-29 devnull 	if(m->prev == nil)
170 9f1fdc12 2005-10-29 devnull 		replies.head = m->next;
171 9f1fdc12 2005-10-29 devnull 	else
172 9f1fdc12 2005-10-29 devnull 		m->prev->next = m->next;
173 9f1fdc12 2005-10-29 devnull 	mesgfreeparts(m);
174 9f1fdc12 2005-10-29 devnull 	free(m);
175 9f1fdc12 2005-10-29 devnull }
176 9f1fdc12 2005-10-29 devnull 
177 9f1fdc12 2005-10-29 devnull /* copy argv to stack and free the incoming strings, so we don't leak argument vectors */
178 9f1fdc12 2005-10-29 devnull void
179 9f1fdc12 2005-10-29 devnull buildargv(char **inargv, char *argv[NARGS+1], char args[NARGCHAR])
180 9f1fdc12 2005-10-29 devnull {
181 9f1fdc12 2005-10-29 devnull 	int i, n;
182 9f1fdc12 2005-10-29 devnull 	char *s, *a;
183 9f1fdc12 2005-10-29 devnull 
184 9f1fdc12 2005-10-29 devnull 	s = args;
185 9f1fdc12 2005-10-29 devnull 	for(i=0; i<NARGS; i++){
186 9f1fdc12 2005-10-29 devnull 		a = inargv[i];
187 9f1fdc12 2005-10-29 devnull 		if(a == nil)
188 9f1fdc12 2005-10-29 devnull 			break;
189 9f1fdc12 2005-10-29 devnull 		n = strlen(a)+1;
190 9f1fdc12 2005-10-29 devnull 		if((s-args)+n >= NARGCHAR)	/* too many characters */
191 9f1fdc12 2005-10-29 devnull 			break;
192 9f1fdc12 2005-10-29 devnull 		argv[i] = s;
193 9f1fdc12 2005-10-29 devnull 		memmove(s, a, n);
194 9f1fdc12 2005-10-29 devnull 		s += n;
195 9f1fdc12 2005-10-29 devnull 		free(a);
196 9f1fdc12 2005-10-29 devnull 	}
197 9f1fdc12 2005-10-29 devnull 	argv[i] = nil;
198 9f1fdc12 2005-10-29 devnull }
199 9f1fdc12 2005-10-29 devnull 
200 9f1fdc12 2005-10-29 devnull void
201 9f1fdc12 2005-10-29 devnull execproc(void *v)
202 9f1fdc12 2005-10-29 devnull {
203 9f1fdc12 2005-10-29 devnull 	struct Exec *e;
204 9f1fdc12 2005-10-29 devnull 	int p[2], q[2];
205 9f1fdc12 2005-10-29 devnull 	char *prog;
206 9f1fdc12 2005-10-29 devnull 	char *argv[NARGS+1], args[NARGCHAR];
207 9f1fdc12 2005-10-29 devnull 	int fd[3];
208 9f1fdc12 2005-10-29 devnull 
209 9f1fdc12 2005-10-29 devnull 	e = v;
210 9f1fdc12 2005-10-29 devnull 	p[0] = e->p[0];
211 9f1fdc12 2005-10-29 devnull 	p[1] = e->p[1];
212 9f1fdc12 2005-10-29 devnull 	q[0] = e->q[0];
213 9f1fdc12 2005-10-29 devnull 	q[1] = e->q[1];
214 9f1fdc12 2005-10-29 devnull 	prog = e->prog;	/* known not to be malloc'ed */
215 3f8c36d6 2006-02-09 devnull 	
216 3f8c36d6 2006-02-09 devnull 	fd[0] = dup(p[0], -1);
217 3f8c36d6 2006-02-09 devnull 	if(q[0])
218 3f8c36d6 2006-02-09 devnull 		fd[1] = dup(q[1], -1);
219 3f8c36d6 2006-02-09 devnull 	else
220 3f8c36d6 2006-02-09 devnull 		fd[1] = dup(1, -1);
221 3f8c36d6 2006-02-09 devnull 	fd[2] = dup(2, -2);
222 9f1fdc12 2005-10-29 devnull 	sendul(e->sync, 1);
223 9f1fdc12 2005-10-29 devnull 	buildargv(e->argv, argv, args);
224 9f1fdc12 2005-10-29 devnull 	free(e->argv);
225 9f1fdc12 2005-10-29 devnull 	chanfree(e->sync);
226 9f1fdc12 2005-10-29 devnull 	free(e);
227 3f8c36d6 2006-02-09 devnull 	
228 9f1fdc12 2005-10-29 devnull 	threadexec(nil, fd, prog, argv);
229 9f1fdc12 2005-10-29 devnull 	close(fd[0]);
230 9f1fdc12 2005-10-29 devnull 	close(fd[1]);
231 3f8c36d6 2006-02-09 devnull 	close(fd[2]);
232 3f8c36d6 2006-02-09 devnull 
233 9f1fdc12 2005-10-29 devnull 	fprint(2, "Mail: can't exec %s: %r\n", prog);
234 9f1fdc12 2005-10-29 devnull 	threadexits("can't exec");
235 9f1fdc12 2005-10-29 devnull }
236 9f1fdc12 2005-10-29 devnull 
237 9f1fdc12 2005-10-29 devnull enum{
238 9f1fdc12 2005-10-29 devnull 	ATTACH,
239 9f1fdc12 2005-10-29 devnull 	BCC,
240 9f1fdc12 2005-10-29 devnull 	CC,
241 9f1fdc12 2005-10-29 devnull 	FROM,
242 9f1fdc12 2005-10-29 devnull 	INCLUDE,
243 cbeb0b26 2006-04-01 devnull 	TO
244 9f1fdc12 2005-10-29 devnull };
245 9f1fdc12 2005-10-29 devnull 
246 9f1fdc12 2005-10-29 devnull char *headers[] = {
247 9f1fdc12 2005-10-29 devnull 	"attach:",
248 9f1fdc12 2005-10-29 devnull 	"bcc:",
249 9f1fdc12 2005-10-29 devnull 	"cc:",
250 9f1fdc12 2005-10-29 devnull 	"from:",
251 9f1fdc12 2005-10-29 devnull 	"include:",
252 9f1fdc12 2005-10-29 devnull 	"to:",
253 cbeb0b26 2006-04-01 devnull 	nil
254 9f1fdc12 2005-10-29 devnull };
255 9f1fdc12 2005-10-29 devnull 
256 9f1fdc12 2005-10-29 devnull int
257 9f1fdc12 2005-10-29 devnull whichheader(char *h)
258 9f1fdc12 2005-10-29 devnull {
259 9f1fdc12 2005-10-29 devnull 	int i;
260 9f1fdc12 2005-10-29 devnull 
261 9f1fdc12 2005-10-29 devnull 	for(i=0; headers[i]!=nil; i++)
262 9f1fdc12 2005-10-29 devnull 		if(cistrcmp(h, headers[i]) == 0)
263 9f1fdc12 2005-10-29 devnull 			return i;
264 9f1fdc12 2005-10-29 devnull 	return -1;
265 9f1fdc12 2005-10-29 devnull }
266 9f1fdc12 2005-10-29 devnull 
267 9f1fdc12 2005-10-29 devnull char *tolist[200];
268 9f1fdc12 2005-10-29 devnull char	*cclist[200];
269 9f1fdc12 2005-10-29 devnull char	*bcclist[200];
270 9f1fdc12 2005-10-29 devnull int ncc, nbcc, nto;
271 9f1fdc12 2005-10-29 devnull char	*attlist[200];
272 9f1fdc12 2005-10-29 devnull char	included[200];
273 9f1fdc12 2005-10-29 devnull 
274 9f1fdc12 2005-10-29 devnull int
275 9f1fdc12 2005-10-29 devnull addressed(char *name)
276 9f1fdc12 2005-10-29 devnull {
277 9f1fdc12 2005-10-29 devnull 	int i;
278 9f1fdc12 2005-10-29 devnull 
279 9f1fdc12 2005-10-29 devnull 	for(i=0; i<nto; i++)
280 9f1fdc12 2005-10-29 devnull 		if(strcmp(name, tolist[i]) == 0)
281 9f1fdc12 2005-10-29 devnull 			return 1;
282 9f1fdc12 2005-10-29 devnull 	for(i=0; i<ncc; i++)
283 9f1fdc12 2005-10-29 devnull 		if(strcmp(name, cclist[i]) == 0)
284 9f1fdc12 2005-10-29 devnull 			return 1;
285 9f1fdc12 2005-10-29 devnull 	for(i=0; i<nbcc; i++)
286 9f1fdc12 2005-10-29 devnull 		if(strcmp(name, bcclist[i]) == 0)
287 9f1fdc12 2005-10-29 devnull 			return 1;
288 9f1fdc12 2005-10-29 devnull 	return 0;
289 9f1fdc12 2005-10-29 devnull }
290 9f1fdc12 2005-10-29 devnull 
291 9f1fdc12 2005-10-29 devnull char*
292 9f1fdc12 2005-10-29 devnull skipbl(char *s, char *e)
293 9f1fdc12 2005-10-29 devnull {
294 9f1fdc12 2005-10-29 devnull 	while(s < e){
295 9f1fdc12 2005-10-29 devnull 		if(*s!=' ' && *s!='\t' && *s!=',')
296 9f1fdc12 2005-10-29 devnull 			break;
297 9f1fdc12 2005-10-29 devnull 		s++;
298 9f1fdc12 2005-10-29 devnull 	}
299 9f1fdc12 2005-10-29 devnull 	return s;
300 9f1fdc12 2005-10-29 devnull }
301 9f1fdc12 2005-10-29 devnull 
302 9f1fdc12 2005-10-29 devnull char*
303 9f1fdc12 2005-10-29 devnull findbl(char *s, char *e)
304 9f1fdc12 2005-10-29 devnull {
305 9f1fdc12 2005-10-29 devnull 	while(s < e){
306 9f1fdc12 2005-10-29 devnull 		if(*s==' ' || *s=='\t' || *s==',')
307 9f1fdc12 2005-10-29 devnull 			break;
308 9f1fdc12 2005-10-29 devnull 		s++;
309 9f1fdc12 2005-10-29 devnull 	}
310 9f1fdc12 2005-10-29 devnull 	return s;
311 9f1fdc12 2005-10-29 devnull }
312 9f1fdc12 2005-10-29 devnull 
313 9f1fdc12 2005-10-29 devnull /*
314 9f1fdc12 2005-10-29 devnull  * comma-separate possibly blank-separated strings in line; e points before newline
315 9f1fdc12 2005-10-29 devnull  */
316 9f1fdc12 2005-10-29 devnull void
317 9f1fdc12 2005-10-29 devnull commas(char *s, char *e)
318 9f1fdc12 2005-10-29 devnull {
319 9f1fdc12 2005-10-29 devnull 	char *t;
320 9f1fdc12 2005-10-29 devnull 
321 9f1fdc12 2005-10-29 devnull 	/* may have initial blanks */
322 9f1fdc12 2005-10-29 devnull 	s = skipbl(s, e);
323 9f1fdc12 2005-10-29 devnull 	while(s < e){
324 9f1fdc12 2005-10-29 devnull 		s = findbl(s, e);
325 9f1fdc12 2005-10-29 devnull 		if(s == e)
326 9f1fdc12 2005-10-29 devnull 			break;
327 9f1fdc12 2005-10-29 devnull 		t = skipbl(s, e);
328 9f1fdc12 2005-10-29 devnull 		if(t == e)	/* no more words */
329 9f1fdc12 2005-10-29 devnull 			break;
330 9f1fdc12 2005-10-29 devnull 		/* patch comma */
331 9f1fdc12 2005-10-29 devnull 		*s++ = ',';
332 9f1fdc12 2005-10-29 devnull 		while(s < t)
333 9f1fdc12 2005-10-29 devnull 			*s++ = ' ';
334 9f1fdc12 2005-10-29 devnull 	}
335 9f1fdc12 2005-10-29 devnull }
336 9f1fdc12 2005-10-29 devnull 
337 9f1fdc12 2005-10-29 devnull int
338 9f1fdc12 2005-10-29 devnull print2(int fd, int ofd, char *fmt, ...)
339 9f1fdc12 2005-10-29 devnull {
340 9f1fdc12 2005-10-29 devnull 	int m, n;
341 9f1fdc12 2005-10-29 devnull 	char *s;
342 9f1fdc12 2005-10-29 devnull 	va_list arg;
343 9f1fdc12 2005-10-29 devnull 
344 9f1fdc12 2005-10-29 devnull 	va_start(arg, fmt);
345 9f1fdc12 2005-10-29 devnull 	s = vsmprint(fmt, arg);
346 9f1fdc12 2005-10-29 devnull 	va_end(arg);
347 9f1fdc12 2005-10-29 devnull 	if(s == nil)
348 9f1fdc12 2005-10-29 devnull 		return -1;
349 9f1fdc12 2005-10-29 devnull 	m = strlen(s);
350 9f1fdc12 2005-10-29 devnull 	n = write(fd, s, m);
351 9f1fdc12 2005-10-29 devnull 	if(ofd > 0)
352 9f1fdc12 2005-10-29 devnull 		write(ofd, s, m);
353 9f1fdc12 2005-10-29 devnull 	return n;
354 9f1fdc12 2005-10-29 devnull }
355 9f1fdc12 2005-10-29 devnull 
356 9f1fdc12 2005-10-29 devnull void
357 9f1fdc12 2005-10-29 devnull write2(int fd, int ofd, char *buf, int n, int nofrom)
358 9f1fdc12 2005-10-29 devnull {
359 9f1fdc12 2005-10-29 devnull 	char *from, *p;
360 9f1fdc12 2005-10-29 devnull 	int m;
361 9f1fdc12 2005-10-29 devnull 
362 9f1fdc12 2005-10-29 devnull 	write(fd, buf, n);
363 9f1fdc12 2005-10-29 devnull 
364 9f1fdc12 2005-10-29 devnull 	if(ofd <= 0)
365 9f1fdc12 2005-10-29 devnull 		return;
366 9f1fdc12 2005-10-29 devnull 
367 9f1fdc12 2005-10-29 devnull 	if(nofrom == 0){
368 9f1fdc12 2005-10-29 devnull 		write(ofd, buf, n);
369 9f1fdc12 2005-10-29 devnull 		return;
370 9f1fdc12 2005-10-29 devnull 	}
371 9f1fdc12 2005-10-29 devnull 
372 9f1fdc12 2005-10-29 devnull 	/* need to escape leading From lines to avoid corrupting 'outgoing' mailbox */
373 9f1fdc12 2005-10-29 devnull 	for(p=buf; *p; p+=m){
374 9f1fdc12 2005-10-29 devnull 		from = cistrstr(p, "from");
375 9f1fdc12 2005-10-29 devnull 		if(from == nil)
376 9f1fdc12 2005-10-29 devnull 			m = n;
377 9f1fdc12 2005-10-29 devnull 		else
378 9f1fdc12 2005-10-29 devnull 			m = from - p;
379 9f1fdc12 2005-10-29 devnull 		if(m > 0)
380 9f1fdc12 2005-10-29 devnull 			write(ofd, p, m);
381 9f1fdc12 2005-10-29 devnull 		if(from){
382 9f1fdc12 2005-10-29 devnull 			if(p==buf || from[-1]=='\n')
383 9f1fdc12 2005-10-29 devnull 				write(ofd, " ", 1);	/* escape with space if From is at start of line */
384 9f1fdc12 2005-10-29 devnull 			write(ofd, from, 4);
385 9f1fdc12 2005-10-29 devnull 			m += 4;
386 9f1fdc12 2005-10-29 devnull 		}
387 9f1fdc12 2005-10-29 devnull 		n -= m;
388 9f1fdc12 2005-10-29 devnull 	}
389 9f1fdc12 2005-10-29 devnull }
390 9f1fdc12 2005-10-29 devnull 
391 9f1fdc12 2005-10-29 devnull void
392 9f1fdc12 2005-10-29 devnull mesgsend(Message *m)
393 9f1fdc12 2005-10-29 devnull {
394 9f1fdc12 2005-10-29 devnull 	char *s, *body, *to;
395 9f1fdc12 2005-10-29 devnull 	int i, j, h, n, natt, p[2];
396 9f1fdc12 2005-10-29 devnull 	struct Exec *e;
397 9f1fdc12 2005-10-29 devnull 	Channel *sync;
398 9f1fdc12 2005-10-29 devnull 	int first, nfld, delit, ofd;
399 9f1fdc12 2005-10-29 devnull 	char *copy, *fld[100], *now;
400 9f1fdc12 2005-10-29 devnull 
401 9f1fdc12 2005-10-29 devnull 	body = winreadbody(m->w, &n);
402 9f1fdc12 2005-10-29 devnull 	/* assemble to: list from first line, to: line, and cc: line */
403 9f1fdc12 2005-10-29 devnull 	nto = 0;
404 9f1fdc12 2005-10-29 devnull 	natt = 0;
405 9f1fdc12 2005-10-29 devnull 	ncc = 0;
406 9f1fdc12 2005-10-29 devnull 	nbcc = 0;
407 9f1fdc12 2005-10-29 devnull 	first = 1;
408 9f1fdc12 2005-10-29 devnull 	to = body;
409 9f1fdc12 2005-10-29 devnull 	for(;;){
410 9f1fdc12 2005-10-29 devnull 		for(s=to; *s!='\n'; s++)
411 9f1fdc12 2005-10-29 devnull 			if(*s == '\0'){
412 9f1fdc12 2005-10-29 devnull 				free(body);
413 9f1fdc12 2005-10-29 devnull 				return;
414 9f1fdc12 2005-10-29 devnull 			}
415 9f1fdc12 2005-10-29 devnull 		if(s++ == to)	/* blank line */
416 9f1fdc12 2005-10-29 devnull 			break;
417 9f1fdc12 2005-10-29 devnull 		/* make copy of line to tokenize */
418 9f1fdc12 2005-10-29 devnull 		copy = emalloc(s-to);
419 9f1fdc12 2005-10-29 devnull 		memmove(copy, to, s-to);
420 9f1fdc12 2005-10-29 devnull 		copy[s-to-1] = '\0';
421 9f1fdc12 2005-10-29 devnull 		nfld = tokenizec(copy, fld, nelem(fld), ", \t");
422 9f1fdc12 2005-10-29 devnull 		if(nfld == 0){
423 9f1fdc12 2005-10-29 devnull 			free(copy);
424 9f1fdc12 2005-10-29 devnull 			break;
425 9f1fdc12 2005-10-29 devnull 		}
426 9f1fdc12 2005-10-29 devnull 		n -= s-to;
427 9f1fdc12 2005-10-29 devnull 		switch(h = whichheader(fld[0])){
428 9f1fdc12 2005-10-29 devnull 		case TO:
429 9f1fdc12 2005-10-29 devnull 		case FROM:
430 9f1fdc12 2005-10-29 devnull 			delit = 1;
431 9f1fdc12 2005-10-29 devnull 			commas(to+strlen(fld[0]), s-1);
432 9f1fdc12 2005-10-29 devnull 			for(i=1; i<nfld && nto<nelem(tolist); i++)
433 9f1fdc12 2005-10-29 devnull 				if(!addressed(fld[i]))
434 9f1fdc12 2005-10-29 devnull 					tolist[nto++] = estrdup(fld[i]);
435 9f1fdc12 2005-10-29 devnull 			break;
436 9f1fdc12 2005-10-29 devnull 		case BCC:
437 9f1fdc12 2005-10-29 devnull 			delit = 1;
438 9f1fdc12 2005-10-29 devnull 			commas(to+strlen(fld[0]), s-1);
439 9f1fdc12 2005-10-29 devnull 			for(i=1; i<nfld && nbcc<nelem(bcclist); i++)
440 9f1fdc12 2005-10-29 devnull 				if(!addressed(fld[i]))
441 9f1fdc12 2005-10-29 devnull 					bcclist[nbcc++] = estrdup(fld[i]);
442 9f1fdc12 2005-10-29 devnull 			break;
443 9f1fdc12 2005-10-29 devnull 		case CC:
444 9f1fdc12 2005-10-29 devnull 			delit = 1;
445 9f1fdc12 2005-10-29 devnull 			commas(to+strlen(fld[0]), s-1);
446 9f1fdc12 2005-10-29 devnull 			for(i=1; i<nfld && ncc<nelem(cclist); i++)
447 9f1fdc12 2005-10-29 devnull 				if(!addressed(fld[i]))
448 9f1fdc12 2005-10-29 devnull 					cclist[ncc++] = estrdup(fld[i]);
449 9f1fdc12 2005-10-29 devnull 			break;
450 9f1fdc12 2005-10-29 devnull 		case ATTACH:
451 9f1fdc12 2005-10-29 devnull 		case INCLUDE:
452 9f1fdc12 2005-10-29 devnull 			delit = 1;
453 9f1fdc12 2005-10-29 devnull 			for(i=1; i<nfld && natt<nelem(attlist); i++){
454 9f1fdc12 2005-10-29 devnull 				attlist[natt] = estrdup(fld[i]);
455 9f1fdc12 2005-10-29 devnull 				included[natt++] = (h == INCLUDE);
456 9f1fdc12 2005-10-29 devnull 			}
457 9f1fdc12 2005-10-29 devnull 			break;
458 9f1fdc12 2005-10-29 devnull 		default:
459 9f1fdc12 2005-10-29 devnull 			if(first){
460 9f1fdc12 2005-10-29 devnull 				delit = 1;
461 9f1fdc12 2005-10-29 devnull 				for(i=0; i<nfld && nto<nelem(tolist); i++)
462 9f1fdc12 2005-10-29 devnull 					tolist[nto++] = estrdup(fld[i]);
463 9f1fdc12 2005-10-29 devnull 			}else	/* ignore it */
464 9f1fdc12 2005-10-29 devnull 				delit = 0;
465 9f1fdc12 2005-10-29 devnull 			break;
466 9f1fdc12 2005-10-29 devnull 		}
467 9f1fdc12 2005-10-29 devnull 		if(delit){
468 9f1fdc12 2005-10-29 devnull 			/* delete line from body */
469 9f1fdc12 2005-10-29 devnull 			memmove(to, s, n+1);
470 9f1fdc12 2005-10-29 devnull 		}else
471 9f1fdc12 2005-10-29 devnull 			to = s;
472 9f1fdc12 2005-10-29 devnull 		free(copy);
473 9f1fdc12 2005-10-29 devnull 		first = 0;
474 9f1fdc12 2005-10-29 devnull 	}
475 9f1fdc12 2005-10-29 devnull 
476 9f1fdc12 2005-10-29 devnull 	ofd = open(outgoing, OWRITE|OCEXEC);	/* no error check necessary */
477 9f1fdc12 2005-10-29 devnull 	if(ofd > 0){
478 9f1fdc12 2005-10-29 devnull 		/* From dhog Fri Aug 24 22:13:00 EDT 2001 */
479 9f1fdc12 2005-10-29 devnull 		now = ctime(time(0));
480 e03f2c40 2006-03-07 devnull 		seek(ofd, 0, 2);
481 9f1fdc12 2005-10-29 devnull 		fprint(ofd, "From %s %s", user, now);
482 9f1fdc12 2005-10-29 devnull 		fprint(ofd, "From: %s\n", user);
483 9f1fdc12 2005-10-29 devnull 		fprint(ofd, "Date: %s", now);
484 9f1fdc12 2005-10-29 devnull 		for(i=0; i<natt; i++)
485 9f1fdc12 2005-10-29 devnull 			if(included[i])
486 9f1fdc12 2005-10-29 devnull 				fprint(ofd, "Include: %s\n", attlist[i]);
487 9f1fdc12 2005-10-29 devnull 			else
488 9f1fdc12 2005-10-29 devnull 				fprint(ofd, "Attach: %s\n", attlist[i]);
489 9f1fdc12 2005-10-29 devnull 		/* needed because mail is by default Latin-1 */
490 9f1fdc12 2005-10-29 devnull 		fprint(ofd, "Content-Type: text/plain; charset=\"UTF-8\"\n");
491 9f1fdc12 2005-10-29 devnull 		fprint(ofd, "Content-Transfer-Encoding: 8bit\n");
492 9f1fdc12 2005-10-29 devnull 	}
493 9f1fdc12 2005-10-29 devnull 
494 9f1fdc12 2005-10-29 devnull 	e = emalloc(sizeof(struct Exec));
495 9f1fdc12 2005-10-29 devnull 	if(pipe(p) < 0)
496 9f1fdc12 2005-10-29 devnull 		error("can't create pipe: %r");
497 9f1fdc12 2005-10-29 devnull 	e->p[0] = p[0];
498 9f1fdc12 2005-10-29 devnull 	e->p[1] = p[1];
499 9f1fdc12 2005-10-29 devnull 	e->prog = unsharp("#9/bin/upas/marshal");
500 9f1fdc12 2005-10-29 devnull 	e->argv = emalloc((1+1+2+4*natt+1)*sizeof(char*));
501 9f1fdc12 2005-10-29 devnull 	e->argv[0] = estrdup("marshal");
502 9f1fdc12 2005-10-29 devnull 	e->argv[1] = estrdup("-8");
503 9f1fdc12 2005-10-29 devnull 	j = 2;
504 9f1fdc12 2005-10-29 devnull 	if(m->replyname){
505 9f1fdc12 2005-10-29 devnull 		e->argv[j++] = estrdup("-R");
506 9f1fdc12 2005-10-29 devnull 		e->argv[j++] = estrstrdup(mbox.name, m->replyname);
507 9f1fdc12 2005-10-29 devnull 	}
508 9f1fdc12 2005-10-29 devnull 	for(i=0; i<natt; i++){
509 9f1fdc12 2005-10-29 devnull 		if(included[i])
510 9f1fdc12 2005-10-29 devnull 			e->argv[j++] = estrdup("-A");
511 9f1fdc12 2005-10-29 devnull 		else
512 9f1fdc12 2005-10-29 devnull 			e->argv[j++] = estrdup("-a");
513 9f1fdc12 2005-10-29 devnull 		e->argv[j++] = estrdup(attlist[i]);
514 9f1fdc12 2005-10-29 devnull 	}
515 9f1fdc12 2005-10-29 devnull 	sync = chancreate(sizeof(int), 0);
516 9f1fdc12 2005-10-29 devnull 	e->sync = sync;
517 9f1fdc12 2005-10-29 devnull 	proccreate(execproc, e, EXECSTACK);
518 9f1fdc12 2005-10-29 devnull 	recvul(sync);
519 cbeb0b26 2006-04-01 devnull 	/* close(p[0]); */
520 9f1fdc12 2005-10-29 devnull 
521 9f1fdc12 2005-10-29 devnull 	/* using marshal -8, so generate rfc822 headers */
522 9f1fdc12 2005-10-29 devnull 	if(nto > 0){
523 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "To: ");
524 9f1fdc12 2005-10-29 devnull 		for(i=0; i<nto-1; i++)
525 9f1fdc12 2005-10-29 devnull 			print2(p[1], ofd, "%s, ", tolist[i]);
526 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "%s\n", tolist[i]);
527 9f1fdc12 2005-10-29 devnull 	}
528 9f1fdc12 2005-10-29 devnull 	if(ncc > 0){
529 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "CC: ");
530 9f1fdc12 2005-10-29 devnull 		for(i=0; i<ncc-1; i++)
531 9f1fdc12 2005-10-29 devnull 			print2(p[1], ofd, "%s, ", cclist[i]);
532 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "%s\n", cclist[i]);
533 9f1fdc12 2005-10-29 devnull 	}
534 9f1fdc12 2005-10-29 devnull 	if(nbcc > 0){
535 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "BCC: ");
536 9f1fdc12 2005-10-29 devnull 		for(i=0; i<nbcc-1; i++)
537 9f1fdc12 2005-10-29 devnull 			print2(p[1], ofd, "%s, ", bcclist[i]);
538 9f1fdc12 2005-10-29 devnull 		print2(p[1], ofd, "%s\n", bcclist[i]);
539 9f1fdc12 2005-10-29 devnull 	}
540 9f1fdc12 2005-10-29 devnull 
541 9f1fdc12 2005-10-29 devnull 	i = strlen(body);
542 9f1fdc12 2005-10-29 devnull 	if(i > 0)
543 9f1fdc12 2005-10-29 devnull 		write2(p[1], ofd, body, i, 1);
544 9f1fdc12 2005-10-29 devnull 
545 9f1fdc12 2005-10-29 devnull 	/* guarantee a blank line, to ensure attachments are separated from body */
546 9f1fdc12 2005-10-29 devnull 	if(i==0 || body[i-1]!='\n')
547 9f1fdc12 2005-10-29 devnull 		write2(p[1], ofd, "\n\n", 2, 0);
548 9f1fdc12 2005-10-29 devnull 	else if(i>1 && body[i-2]!='\n')
549 9f1fdc12 2005-10-29 devnull 		write2(p[1], ofd, "\n", 1, 0);
550 9f1fdc12 2005-10-29 devnull 
551 9f1fdc12 2005-10-29 devnull 	/* these look like pseudo-attachments in the "outgoing" box */
552 9f1fdc12 2005-10-29 devnull 	if(ofd>0 && natt>0){
553 9f1fdc12 2005-10-29 devnull 		for(i=0; i<natt; i++)
554 9f1fdc12 2005-10-29 devnull 			if(included[i])
555 9f1fdc12 2005-10-29 devnull 				fprint(ofd, "=====> Include: %s\n", attlist[i]);
556 9f1fdc12 2005-10-29 devnull 			else
557 9f1fdc12 2005-10-29 devnull 				fprint(ofd, "=====> Attach: %s\n", attlist[i]);
558 9f1fdc12 2005-10-29 devnull 	}
559 9f1fdc12 2005-10-29 devnull 	if(ofd > 0)
560 9f1fdc12 2005-10-29 devnull 		write(ofd, "\n", 1);
561 9f1fdc12 2005-10-29 devnull 
562 9f1fdc12 2005-10-29 devnull 	for(i=0; i<natt; i++)
563 9f1fdc12 2005-10-29 devnull 		free(attlist[i]);
564 9f1fdc12 2005-10-29 devnull 	close(ofd);
565 9f1fdc12 2005-10-29 devnull 	close(p[1]);
566 9f1fdc12 2005-10-29 devnull 	free(body);
567 9f1fdc12 2005-10-29 devnull 
568 9f1fdc12 2005-10-29 devnull 	if(m->replyname != nil)
569 9f1fdc12 2005-10-29 devnull 		mesgmenumark(mbox.w, m->replyname, "\t[replied]");
570 9f1fdc12 2005-10-29 devnull 	if(m->name[0] == '/')
571 9f1fdc12 2005-10-29 devnull 		s = estrdup(m->name);
572 9f1fdc12 2005-10-29 devnull 	else
573 9f1fdc12 2005-10-29 devnull 		s = estrstrdup(mbox.name, m->name);
574 9f1fdc12 2005-10-29 devnull 	s = egrow(s, "-R", nil);
575 9f1fdc12 2005-10-29 devnull 	winname(m->w, s);
576 9f1fdc12 2005-10-29 devnull 	free(s);
577 9f1fdc12 2005-10-29 devnull 	winclean(m->w);
578 9f1fdc12 2005-10-29 devnull 	/* mark message unopened because it's no longer the original message */
579 9f1fdc12 2005-10-29 devnull 	m->opened = 0;
580 9f1fdc12 2005-10-29 devnull }