1 | /*#include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | |
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5 | #include <sys/socket.h> |
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6 | #include <sys/types.h> |
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7 | |
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8 | #include <netinet/in.h> |
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9 | #include <netdb.h> |
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10 | #include <unistd.h> |
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11 | |
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12 | #include <openssl/ssl.h> |
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13 | #include <openssl/err.h> |
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14 | #include <openssl/crypto.h> |
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15 | #include <openssl/x509.h> |
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16 | #include <openssl/pem.h> |
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17 | #include <openssl/ssl.h> |
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18 | #include <openssl/err.h> |
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19 | */ |
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20 | /* define HOME to be dir for key and certificate files... */ |
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21 | //#define HOME "/usr/local/ssl/" |
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22 | /* Make these what you want for certificate & key files */ |
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23 | //#define CERT_FILE "mycert.pem" |
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24 | //#define KEY_FILE "mycert.pem" |
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25 | |
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26 | /*Cipher list to be used*/ |
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27 | //#define CIPHER_LIST "RC4-MD5" |
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28 | |
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29 | /*Trusted CAs location*/ |
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30 | //#define CA_FILE CERT_FILE |
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31 | //#define CA_DIR NULL |
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32 | |
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33 | /*Password for the key file*/ |
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34 | //#define KEY_PASSWD "" |
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35 | |
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36 | //#define IP "im.celepar.parana" |
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37 | |
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38 | //#define PORT "5222" |
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39 | |
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40 | #include "server.h" |
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41 | |
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42 | |
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43 | int main(void) |
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44 | { |
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45 | int socketfd, nHostPort; |
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46 | int err; |
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47 | char buff[32]; |
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48 | struct sockaddr_in socketaddr; |
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49 | |
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50 | /*SSL PART*/ |
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51 | SSL_METHOD *meth; |
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52 | SSL_CTX *ctx; |
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53 | SSL *myssl; |
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54 | /*SSL PART*/ |
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55 | |
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56 | /* if ( (nHostPort = strtol(PORT, 0, 10)) == 0 ) |
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57 | { |
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58 | printf("\n<port>\n\n"); |
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59 | printf("\ncould not make a socket\n"); |
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60 | return 0; |
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61 | }*/ |
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62 | |
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63 | socketfd=socket(AF_INET,SOCK_STREAM,0); |
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64 | |
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65 | socketaddr.sin_family=AF_INET; |
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66 | inet_aton("127.0.0.1", &socketaddr.sin_addr); |
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67 | socketaddr.sin_port=htons(8888); |
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68 | |
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69 | /* Connect to the server, TCP/IP layer,*/ |
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70 | err=connect(socketfd,(struct sockaddr*)&socketaddr,sizeof(socketaddr)); |
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71 | if(err<0){ |
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72 | printf("Socket returned error #%d,program terminated\n", err); |
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73 | exit(0); |
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74 | } |
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75 | |
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76 | /* SSL Part*/ |
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77 | OpenSSL_add_all_algorithms(); |
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78 | SSL_library_init(); |
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79 | SSL_load_error_strings(); |
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80 | |
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81 | |
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82 | meth=TLSv1_client_method(); |
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83 | |
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84 | ctx=SSL_CTX_new(meth); |
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85 | if (!ctx) { |
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86 | printf("Error creating the context.\n"); |
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87 | exit(0); |
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88 | } |
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89 | |
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90 | /* |
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91 | if (SSL_CTX_set_cipher_list(ctx,CIPHER_LIST) <= 0) { |
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92 | printf("Error setting the cipher list.\n"); |
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93 | exit(0); |
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94 | } |
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95 | */ |
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96 | /*Indicate the certificate file to be used*/ |
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97 | /* if (SSL_CTX_use_certificate_file(ctx,CERT_FILE, SSL_FILETYPE_PEM) <= 0) { |
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98 | printf("Error setting the certificate file.\n"); |
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99 | exit(0); |
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100 | }*/ |
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101 | |
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102 | |
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103 | |
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104 | /*Load the password for the Private Key*/ |
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105 | //SSL_CTX_set_default_passwd_cb_userdata(ctx,KEY_PASSWD); |
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106 | |
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107 | |
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108 | /*Indicate the key file to be used*/ |
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109 | /*if (SSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM) <= 0) { |
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110 | printf("Error setting the key file.\n"); |
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111 | exit(0); |
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112 | }*/ |
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113 | |
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114 | /*Make sure the key and certificate file match*/ |
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115 | /*if (!SSL_CTX_check_private_key(ctx)) { |
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116 | printf("Private key does not match the certificate public key\n"); |
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117 | exit(0); |
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118 | }*/ |
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119 | |
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120 | /* Set the list of trusted CAs based on the file and/or directory provided*/ |
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121 | /* if(SSL_CTX_load_verify_locations(ctx,CA_FILE,CA_DIR)<1){ |
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122 | printf("Error setting verify location\n"); |
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123 | exit(0); |
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124 | }*/ |
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125 | |
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126 | /* Set for server verification*/ |
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127 | // SSL_CTX_set_verify(ctx,SSL_VERIFY_PEER,NULL); |
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128 | SSL_CTX_set_verify(ctx,SSL_VERIFY_NONE,NULL); |
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129 | |
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130 | /*Create new ssl object*/ |
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131 | myssl=SSL_new(ctx); |
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132 | |
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133 | if(!myssl){ |
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134 | printf("Error creating SSL structure.\n"); |
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135 | exit(0); |
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136 | } |
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137 | |
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138 | /*Bind the socket to the SSL structure*/ |
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139 | SSL_set_fd(myssl,socketfd); |
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140 | |
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141 | /*Connect to the server, SSL layer.*/ |
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142 | err=SSL_connect(myssl); |
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143 | printf("SSL error #%d in accept,program terminated\n",err); |
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144 | /*Check for error in connect.*/ |
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145 | if (err<1) { |
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146 | |
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147 | err=SSL_get_error(myssl,err); |
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148 | printf("SSL error #%d in accept,program terminated\n",err); |
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149 | |
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150 | if(err==5){printf("sockerrno is:\n");} |
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151 | |
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152 | close(socketfd); |
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153 | SSL_CTX_free(ctx); |
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154 | exit(0); |
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155 | } |
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156 | |
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157 | /*Print out connection details*/ |
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158 | printf("SSL connection on socket %x,Version: %s, Cipher: %s\n", |
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159 | socketfd, |
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160 | SSL_get_version(myssl), |
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161 | SSL_get_cipher(myssl)); |
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162 | |
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163 | puts("_________OK_______________"); |
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164 | exit(0); |
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165 | /*Send message to the server.*/ |
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166 | err=SSL_write(myssl,"Hello there!!!!",sizeof("Hello there!!!!")+1); |
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167 | /*Check for error in write.*/ |
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168 | if(err<1){ |
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169 | err=SSL_get_error(myssl,err); |
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170 | printf("Error #%d in write,program terminated\n",err); |
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171 | /********************************/ |
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172 | /* If err=6 it means the client */ |
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173 | /* issued an SSL_shutdown. You */ |
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174 | /* must respond with a shutdown */ |
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175 | /* to complete a graceful */ |
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176 | /* shutdown */ |
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177 | /********************************/ |
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178 | if(err==6){ |
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179 | SSL_shutdown(myssl); |
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180 | } |
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181 | SSL_free(myssl); |
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182 | close(socketfd); |
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183 | SSL_CTX_free(ctx); |
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184 | exit(0); |
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185 | } |
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186 | |
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187 | /*Read servers response.*/ |
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188 | err = SSL_read (myssl, buff, sizeof(buff)); |
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189 | /*Check for error in read.*/ |
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190 | if(err<1){ |
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191 | err=SSL_get_error(myssl,err); |
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192 | printf("Error #%d in read,program terminated\n",err); |
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193 | /********************************/ |
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194 | /* If err=6 it means the client */ |
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195 | /* issued an SSL_shutdown. You */ |
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196 | /* must respond with a shutdown */ |
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197 | /* to complete a graceful */ |
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198 | /* shutdown */ |
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199 | /********************************/ |
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200 | if(err==6){ |
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201 | SSL_shutdown(myssl); |
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202 | } |
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203 | SSL_free(myssl); |
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204 | close(socketfd); |
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205 | SSL_CTX_free(ctx); |
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206 | exit(0); |
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207 | } |
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208 | printf("Server said: %s\n",buff); |
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209 | err=SSL_shutdown(myssl); |
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210 | buff[0] = '\0'; |
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211 | SSL_read (myssl, buff, sizeof(buff)); |
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212 | /*********************************/ |
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213 | /* If err is equal to 0 you are */ |
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214 | /* issuing the shutdown first. */ |
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215 | /* If its 1 then you are */ |
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216 | /* responding to a previously */ |
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217 | /* issued shutdown message */ |
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218 | /*********************************/ |
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219 | if(err==0) |
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220 | { |
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221 | err=SSL_shutdown(myssl); |
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222 | buff[0] = '\0'; |
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223 | SSL_read (myssl, buff, sizeof(buff)); |
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224 | if(err<1){ |
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225 | printf("#1 Error in shutdown\n"); |
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226 | }else if(err==1){ |
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227 | printf("Client exited gracefully\n"); |
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228 | } |
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229 | }else if(err<0){ |
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230 | printf("Error in shutdown\n"); |
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231 | |
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232 | }else if(err==1){ |
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233 | printf("Client exited gracefully\n"); |
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234 | } |
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235 | close(socketfd); |
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236 | SSL_free(myssl); |
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237 | SSL_CTX_free(ctx); |
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238 | exit(0); |
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239 | |
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240 | } |
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