1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22
23 /* <DESC>
24 * IMAP example showing how to send e-mails
25 * </DESC>
26 */
27
28 #include <stdio.h>
29 #include <string.h>
30 #include <curl/curl.h>
31
32 /* This is a simple example showing how to send mail using libcurl's IMAP
33 * capabilities.
34 *
35 * Note that this example requires libcurl 7.30.0 or above.
36 */
37
38 #define FROM "<sender@example.org>"
39 #define TO "<addressee@example.net>"
40 #define CC "<info@example.org>"
41
42 static const char *payload_text[] = {
43 "Date: Mon, 29 Nov 2010 21:54:29 +1100\r\n",
44 "To: " TO "\r\n",
45 "From: " FROM "(Example User)\r\n",
46 "Cc: " CC "(Another example User)\r\n",
47 "Message-ID: "
48 "<dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\r\n",
49 "Subject: IMAP example message\r\n",
50 "\r\n", /* empty line to divide headers from body, see RFC5322 */
51 "The body of the message starts here.\r\n",
52 "\r\n",
53 "It could be a lot of lines, could be MIME encoded, whatever.\r\n",
54 "Check RFC5322.\r\n",
55 NULL
56 };
57
58 struct upload_status {
59 int lines_read;
60 };
61
payload_source(void * ptr,size_t size,size_t nmemb,void * userp)62 static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
63 {
64 struct upload_status *upload_ctx = (struct upload_status *)userp;
65 const char *data;
66
67 if((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
68 return 0;
69 }
70
71 data = payload_text[upload_ctx->lines_read];
72
73 if(data) {
74 size_t len = strlen(data);
75 memcpy(ptr, data, len);
76 upload_ctx->lines_read++;
77
78 return len;
79 }
80
81 return 0;
82 }
83
main(void)84 int main(void)
85 {
86 CURL *curl;
87 CURLcode res = CURLE_OK;
88 const char **p;
89 long infilesize;
90 struct upload_status upload_ctx;
91
92 upload_ctx.lines_read = 0;
93
94 curl = curl_easy_init();
95 if(curl) {
96 /* Set username and password */
97 curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
98 curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
99
100 /* This will create a new message 100. Note that you should perform an
101 * EXAMINE command to obtain the UID of the next message to create and a
102 * SELECT to ensure you are creating the message in the OUTBOX. */
103 curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/100");
104
105 /* In this case, we're using a callback function to specify the data. You
106 * could just use the CURLOPT_READDATA option to specify a FILE pointer to
107 * read from. */
108 curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
109 curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
110 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
111
112 infilesize = 0;
113 for(p = payload_text; *p; ++p) {
114 infilesize += (long)strlen(*p);
115 }
116 curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
117
118 /* Perform the append */
119 res = curl_easy_perform(curl);
120
121 /* Check for errors */
122 if(res != CURLE_OK)
123 fprintf(stderr, "curl_easy_perform() failed: %s\n",
124 curl_easy_strerror(res));
125
126 /* Always cleanup */
127 curl_easy_cleanup(curl);
128 }
129
130 return (int)res;
131 }
132