Use the doc's online as the 0.9.6b version has 4 args not 3
ganesh kumar godavari wrote:
> hai everyone,
> i am new to ssl, i have spent some amount of time trying to read openssl,
>documentaion(though not yet complete). i am writing a simple program to read
>information from a PEM file.
>
> i am getting the error
>
> ** too few arguments to function `PEM_read_X509' ***
>
> i looked into the documentaion of ssleay(though obsolete), and found that the
>function call is correct.
> can u tell me where the error is?
>
> ******************************************************
> #define CA_FILE "ssl/CA/cacert.pem"
> #define CA_PATH "ssl/CA"
> #define KEY_FILE "ssl/private/my.key"
> #define CERT_FILE "ssl/cert/my.cert"
>
> ca_path=CA_PATH;
> ca_file=CA_FILE;
> key_file=KEY_FILE;
> cert_file=CERT_FILE;
>
> SSL_load_error_strings();
> SSLeay_add_ssl_algorithms();
>
> ctx=(SSL_CTX *) SSL_CTX_new(SSLv23_server_method());
>
> if (ctx == (SSL_CTX *) NULL)
> fatalError("Unable to create new SSL CTX\n");
>
> if(!SSL_CTX_load_verify_locations(ctx,ca_file,ca_path)) (void)
>fprintf(stderr,"Failed in SSL_CTX_load_verify_locations()!\n");
>
> err=SSL_CTX_use_RSAPrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM);
>
> if (err == -1)
> {
> ERR_print_errors_fp(stderr);
> exit(1);
> }
>
> err=SSL_CTX_use_certificate_file(ctx,
> cert_file,
> SSL_FILETYPE_PEM);
>
> if (err == -1)
> {
> ERR_print_errors_fp(stderr);
> exit(1);
> }
>
> /*
> ** read the ca certificate and save the issuer string
> */
>
> ca_fp=fopen(ca_file,"r");
> if (ca_fp == (FILE *) NULL)
> (void) fprintf(stderr,"Failed to open Trusted CA certificate file: %s\n",
>ca_file);
>
> ca_cert=NULL;
> ca_cert=X509_new();
> if (!PEM_read_X509(ca_fp,&ca_cert,NULL))
> (void) fprintf(stderr,"Error reading trusted CA certificate fie:
>%s\n",ca_file);
>
> X509_NAME_oneline(X509_get_issuer_name(ca_cert),issuer,256);
>
> if (issuer == (char *) NULL)
> (void) fprintf(stderr,"No issuer for trusted CA certificate file!\n");
>
> if (ca_cert != NULL)
> X509_free(ca_cert);
>
> (void) fclose(ca_fp);
>
> **************************************************
>
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