4
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
1 |
/* |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
2 |
* Copyright (c) 2014 Sunil Nimmagadda <sunil@nimmagadda.net> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
3 |
* |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
4 |
* Permission to use, copy, modify, and distribute this software for any |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
5 |
* purpose with or without fee is hereby granted, provided that the above |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
6 |
* copyright notice and this permission notice appear in all copies. |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
7 |
* |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
8 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
9 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
10 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
11 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
12 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
13 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
14 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
15 |
*/ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
16 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
17 |
#include <sys/param.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
18 |
#include <sys/types.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
19 |
#include <sys/socket.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
20 |
#include <sys/time.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
21 |
#include <sys/wait.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
22 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
23 |
#include <bsd_auth.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
24 |
#include <err.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
25 |
#include <event.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
26 |
#include <login_cap.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
27 |
#include <pwd.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
28 |
#include <signal.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
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|
29 |
#include <stdio.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
30 |
#include <stdlib.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
31 |
#include <string.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
32 |
#include <syslog.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
33 |
#include <unistd.h> |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
34 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
35 |
#include "imsgev.h" |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
36 |
#include "pop3d.h" |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
37 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
38 |
#define MBOX_PATH "/var/mail/%u" |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
39 |
#define MAILDIR_PATH "~/Maildir" |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
40 |
#define POP3D_USER "_pop3d" |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
41 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
42 |
static void authenticate(struct imsgev *, struct imsg *); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
43 |
static void pop3e_imsgev(struct imsgev *, int , struct imsg *); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
44 |
static void needfd(struct imsgev *); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
45 |
static void sig_handler(int, short, void *); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
46 |
static enum m_type m_type(const char *); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
47 |
static void usage(void); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
48 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
49 |
static struct imsgev iev_pop3e; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
50 |
static pid_t pop3e_pid; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
51 |
static const char *mpath = MBOX_PATH; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
52 |
static int mtype = M_MBOX; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
53 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
54 |
int |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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|
55 |
main(int argc, char *argv[]) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
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changeset
|
56 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
57 |
struct passwd *pw; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
58 |
struct event ev_sigint, ev_sigterm, ev_sighup, ev_sigchld; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
59 |
const char *mtype_str = "mbox"; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
60 |
int ch, d = 0, pair[2]; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
61 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
62 |
while ((ch = getopt(argc, argv, "dp:t:")) != -1) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
63 |
switch (ch) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
64 |
case 'd': |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
65 |
d = 1; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
66 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
67 |
case 'p': |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
68 |
mpath = optarg; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
69 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
70 |
case 't': |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
71 |
if ((mtype = m_type(optarg)) == -1) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
72 |
errx(1, "%s invalid argument", optarg); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
73 |
if (mtype == M_MAILDIR) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
74 |
mpath = MAILDIR_PATH; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
75 |
mtype_str = optarg; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
76 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
77 |
default: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
78 |
usage(); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
79 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
80 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
81 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
82 |
argc -= optind; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
83 |
argv += optind; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
84 |
if (argc > 0 || *argv) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
85 |
usage(); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
86 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
87 |
log_init(d); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
88 |
if (geteuid()) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
89 |
fatalx("need root privileges"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
90 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
91 |
if (!d && daemon(1, 0) == -1) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
92 |
fatal("failed to daemonize"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
93 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
94 |
if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pair) == -1) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
95 |
fatal("socketpair"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
96 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
97 |
set_nonblocking(pair[0]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
98 |
set_nonblocking(pair[1]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
99 |
if ((pw = getpwnam(POP3D_USER)) == NULL) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
100 |
fatalx("main: getpwnam " POP3D_USER); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
101 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
102 |
pop3e_pid = pop3_main(pair, pw); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
103 |
close(pair[1]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
104 |
setproctitle("[priv]"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
105 |
logit(LOG_INFO, "pop3d ready; type:%s, path:%s", mtype_str, mpath); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
106 |
event_init(); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
107 |
signal_set(&ev_sigint, SIGINT, sig_handler, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
108 |
signal_set(&ev_sighup, SIGHUP, sig_handler, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
109 |
signal_set(&ev_sigterm, SIGTERM, sig_handler, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
110 |
signal_set(&ev_sigchld, SIGCHLD, sig_handler, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
111 |
signal_add(&ev_sigint, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
112 |
signal_add(&ev_sighup, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
113 |
signal_add(&ev_sigterm, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
114 |
signal_add(&ev_sigchld, NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
115 |
imsgev_init(&iev_pop3e, pair[0], NULL, pop3e_imsgev, needfd); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
116 |
if (event_dispatch() < 0) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
117 |
fatal("event_dispatch"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
118 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
119 |
logit(LOG_INFO, "pop3d exiting"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
120 |
return (0); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
121 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
122 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
123 |
static void |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
124 |
pop3e_imsgev(struct imsgev *iev, int code, struct imsg *imsg) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
125 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
126 |
switch (code) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
127 |
case IMSGEV_IMSG: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
128 |
switch (imsg->hdr.type) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
129 |
case IMSG_AUTH: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
130 |
authenticate(iev, imsg); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
131 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
132 |
default: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
133 |
logit(LOG_DEBUG, "%s: unexpected imsg %u", |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
134 |
__func__, imsg->hdr.type); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
135 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
136 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
137 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
138 |
case IMSGEV_EREAD: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
139 |
case IMSGEV_EWRITE: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
140 |
case IMSGEV_EIMSG: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
141 |
fatal("pop3d: imsgev read/write error"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
142 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
143 |
case IMSGEV_DONE: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
144 |
event_loopexit(NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
145 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
146 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
147 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
148 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
149 |
static void |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
150 |
authenticate(struct imsgev *iev, struct imsg *imsg) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
151 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
152 |
struct auth_req *req = imsg->data; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
153 |
struct passwd *pw; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
154 |
int pair[2]; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
155 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
156 |
if (auth_userokay(req->user, NULL, "auth-pop3", req->pass) == 0) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
157 |
logit(LOG_INFO, "%u: auth [%s] failed", |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
158 |
imsg->hdr.peerid, req->user); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
159 |
pair[0] = -1; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
160 |
goto end; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
161 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
162 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
163 |
logit(LOG_INFO, "%u: auth [%s] passed", imsg->hdr.peerid, |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
164 |
req->user); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
165 |
if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pair) == -1) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
166 |
fatal("socketpair"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
167 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
168 |
set_nonblocking(pair[0]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
169 |
set_nonblocking(pair[1]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
170 |
if ((pw = getpwnam(req->user)) == NULL) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
171 |
fatalx("authenticate: getpwnam"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
172 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
173 |
if (maildrop_init(imsg->hdr.peerid, pair, pw, mtype, mpath) == -1) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
174 |
logit(LOG_INFO, "%u: unable to fork maildrop process", |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
175 |
imsg->hdr.peerid); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
176 |
pair[0] = -1; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
177 |
goto end; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
178 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
179 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
180 |
close(pair[1]); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
181 |
end: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
182 |
imsgev_xcompose(iev, IMSG_AUTH, imsg->hdr.peerid, 0, |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
183 |
pair[0], NULL, 0, "authenticate"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
184 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
185 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
186 |
static void |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
187 |
needfd(struct imsgev *iev) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
188 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
189 |
fatalx("pop3d should never need an fd"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
190 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
191 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
192 |
static void |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
193 |
sig_handler(int sig, short event, void *arg) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
194 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
195 |
int status; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
196 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
197 |
switch (sig) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
198 |
case SIGINT: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
199 |
case SIGHUP: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
200 |
case SIGTERM: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
201 |
imsgev_clear(&iev_pop3e); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
202 |
imsgev_close(&iev_pop3e); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
203 |
event_loopexit(NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
204 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
205 |
case SIGCHLD: |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
206 |
if (waitpid(pop3e_pid, &status, WNOHANG) > 0) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
207 |
if (WIFEXITED(status) || WIFSIGNALED(status)) { |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
208 |
logit(LOG_ERR, "Lost pop3 engine"); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
209 |
event_loopexit(NULL); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
210 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
211 |
break; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
212 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
213 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
214 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
215 |
static enum m_type |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
216 |
m_type(const char *str) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
217 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
218 |
if (strcasecmp(str, "mbox") == 0) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
219 |
return M_MBOX; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
220 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
221 |
if (strcasecmp(str, "maildir") == 0) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
222 |
return M_MAILDIR; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
223 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
224 |
return (-1); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
225 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
226 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
227 |
static void |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
228 |
usage(void) |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
229 |
{ |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
230 |
extern char *__progname; |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
231 |
|
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
232 |
fprintf(stderr, "usage: %s [-d] [-p path] [-t type]\n", __progname); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
233 |
exit(EXIT_FAILURE); |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
234 |
} |
Sunil Nimmagadda <sunil@sunilnimmagadda.com>
parents:
diff
changeset
|
235 |
|