| 1 | #include <stdio.h>
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| 2 | #include <string.h>
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| 3 | #include <syslog.h>
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| 4 |
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| 5 | #include "aconfig.h"
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| 6 | #include "nntpd.h"
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| 7 | #include "aprotos.h"
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| 8 |
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| 9 | #define _MAX_LINEBUF 256
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| 10 |
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| 11 | int connect_to_server (char *server, int port, int timeout)
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| 12 | {
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| 13 | int sock;
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| 14 |
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| 15 | if ((sock = connect_socket (server, port)) == -1)
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| 16 | return -1;
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| 17 |
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| 18 | char response[cfg.BufSize];
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| 19 | if (handshake_nntp (sock, response, timeout) != NULL) {
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| 20 | close (sock);
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| 21 | return -1;
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| 22 | }
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| 23 |
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| 24 | return sock;
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| 25 | }
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| 26 |
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| 27 | PROTO void auth_remote(AUTHRESULT *authres, CONFIG *cf, char *args)
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| 28 | {
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| 29 | char tmp[_MAX_LINEBUF];
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| 30 | char server[128];
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| 31 | int port;
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| 32 | int sock;
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| 33 |
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| 34 | if ( sscanf(args, "%128[^:]:%d", server, &port) != 2 )
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| 35 | {
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| 36 | syslog(LOG_ERR, "auth_remote: Wrong argument syntax \"%s\"", args);
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| 37 | authres->message = strdup(MSG_AUTH_ERR);
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| 38 | return;
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| 39 | }
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| 40 |
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| 41 | if ( (sock=connect_to_server(server, port, cf->ServerReadTimeout)) == -1 )
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| 42 | {
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| 43 | syslog(LOG_ERR, "auth_remote: Error connecting to authentication server");
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| 44 | authres->message = strdup(MSG_AUTH_ERR);
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| 45 | return;
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| 46 | }
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| 47 |
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| 48 | sprintf(tmp, "AUTHINFO USER %s\r\n", authres->username_s);
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| 49 | write_socket(sock, tmp, strlen(tmp), cf->ServerReadTimeout);
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| 50 | if ( read_socket(sock, tmp, _MAX_LINEBUF, cf->ServerReadTimeout) <= 0 )
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| 51 | {
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| 52 | authres->message = strdup(MSG_AUTH_ERR);
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| 53 | return;
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| 54 | }
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| 55 |
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| 56 | sprintf(tmp, "AUTHINFO PASS %s\r\n", authres->password);
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| 57 | write_socket(sock, tmp, strlen(tmp), cf->ServerReadTimeout);
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| 58 | if ( read_socket(sock, tmp, _MAX_LINEBUF, cf->ServerReadTimeout) <= 0 )
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| 59 | {
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| 60 | authres->message = strdup(MSG_AUTH_ERR);
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| 61 | return;
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| 62 | }
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| 63 |
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| 64 | if ( atoi(tmp) == 281 )
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| 65 | {
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| 66 | authres->authenticated = true;
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| 67 | authres->message = strdup(MSG_AUTH_OK);
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| 68 | return;
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| 69 | }
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| 70 |
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| 71 | authres->message = strdup(MSG_AUTH_REJ);
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| 72 | return;
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| 73 | }
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| 74 |
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