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Commit | Line | Data |
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d02b48c6 RE |
1 | /* NOCW */ |
2 | /* demos/bio/saccept.c */ | |
3 | ||
4 | /* A minimal program to server an SSL connection. | |
5 | * It uses blocking. | |
6 | * saccept host:port | |
7 | * host is the interface IP to use. If any interface, use *:port | |
8 | * The default it *:4433 | |
9 | * | |
10 | * cc -I../../include saccept.c -L../.. -lssl -lcrypto | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <signal.h> | |
15 | #include "err.h" | |
16 | #include "ssl.h" | |
17 | ||
18 | #define CERT_FILE "server.pem" | |
19 | ||
20 | BIO *in=NULL; | |
21 | ||
22 | void close_up() | |
23 | { | |
24 | if (in != NULL) | |
25 | BIO_free(in); | |
26 | } | |
27 | ||
28 | int main(argc,argv) | |
29 | int argc; | |
30 | char *argv[]; | |
31 | { | |
32 | char *port=NULL; | |
33 | BIO *ssl_bio,*tmp; | |
34 | SSL_CTX *ctx; | |
35 | SSL *ssl; | |
36 | char buf[512]; | |
37 | int ret=1,i; | |
38 | ||
39 | if (argc <= 1) | |
40 | port="*:4433"; | |
41 | else | |
42 | port=argv[1]; | |
43 | ||
44 | signal(SIGINT,close_up); | |
45 | ||
46 | SSL_load_error_strings(); | |
47 | ||
48 | /* Add ciphers and message digests */ | |
49 | SSLeay_add_ssl_algorithms(); | |
50 | ||
51 | ctx=SSL_CTX_new(SSLv23_server_method()); | |
52 | if (!SSL_CTX_use_certificate_file(ctx,CERT_FILE,SSL_FILETYPE_PEM)) | |
53 | goto err; | |
54 | if (!SSL_CTX_use_PrivateKey_file(ctx,CERT_FILE,SSL_FILETYPE_PEM)) | |
55 | goto err; | |
56 | if (!SSL_CTX_check_private_key(ctx)) | |
57 | goto err; | |
58 | ||
59 | /* Setup server side SSL bio */ | |
60 | ssl=SSL_new(ctx); | |
61 | ssl_bio=BIO_new_ssl(ctx,0); | |
62 | ||
63 | if ((in=BIO_new_accept(port)) == NULL) goto err; | |
64 | ||
65 | /* This means that when a new connection is acceptede on 'in', | |
66 | * The ssl_bio will be 'dupilcated' and have the new socket | |
67 | * BIO push into it. Basically it means the SSL BIO will be | |
68 | * automatically setup */ | |
69 | BIO_set_accept_bios(in,ssl_bio); | |
70 | ||
71 | again: | |
72 | /* The first call will setup the accept socket, and the second | |
58964a49 | 73 | * will get a socket. In this loop, the first actual accept |
d02b48c6 RE |
74 | * will occur in the BIO_read() function. */ |
75 | ||
76 | if (BIO_do_accept(in) <= 0) goto err; | |
77 | ||
78 | for (;;) | |
79 | { | |
80 | i=BIO_read(in,buf,512); | |
81 | if (i == 0) | |
82 | { | |
83 | /* If we have finished, remove the underlying | |
84 | * BIO stack so the next time we call any function | |
85 | * for this BIO, it will attempt to do an | |
86 | * accept */ | |
87 | printf("Done\n"); | |
88 | tmp=BIO_pop(in); | |
89 | BIO_free_all(tmp); | |
90 | goto again; | |
91 | } | |
92 | if (i < 0) goto err; | |
93 | fwrite(buf,1,i,stdout); | |
94 | fflush(stdout); | |
95 | } | |
96 | ||
97 | ret=0; | |
98 | err: | |
99 | if (ret) | |
100 | { | |
101 | ERR_print_errors_fp(stderr); | |
102 | } | |
103 | if (in != NULL) BIO_free(in); | |
104 | exit(ret); | |
105 | return(!ret); | |
106 | } | |
107 |