/* $Revision: 1.1.1.1 $ ** */ #include #include #include #include #include "configdata.h" #include "nntp.h" #include "paths.h" #include "libinn.h" #include "clibrary.h" #include "macros.h" /* ** Send authentication information to an NNTP server. */ int NNTPsendpassword(server, FromServer, ToServer) char *server; FILE *FromServer; FILE *ToServer; { register FILE *F; register char *p; char buff[SMBUF]; char input[SMBUF]; char *user; char *pass; char *style; int oerrno; /* What server are we interested in? Default to the campus one. */ if (server == NULL && (server = GetConfigValue(_CONF_SERVER)) == NULL) return -1; /* Open the password file; coarse check on errno, but good enough. */ if ((F = fopen(_PATH_NNTPPASS, "r")) == NULL) return errno == EPERM ? -1 : 0; /* Scan the file, skipping blank and comment lines. */ while (fgets(buff, sizeof buff, F) != NULL) { if ((p = strchr(buff, '\n')) != NULL) *p = '\0'; if (buff[0] == '\0' || buff[0] == COMMENT_CHAR) continue; /* Parse the line. */ if ((user = strchr(buff, ':')) == NULL) continue; *user++ = '\0'; if ((pass = strchr(user, ':')) == NULL) continue; *pass++ = '\0'; if ((style = strchr(pass, ':')) != NULL) { *style++ = '\0'; if (!EQ(style, "authinfo")) { errno = EDOM; break; } } if (!caseEQ(server, buff)) continue; if (*user) { /* Send the first part of the command, get a reply. */ (void)fprintf(ToServer, "authinfo user %s\r\n", user); if (fflush(ToServer) == EOF || ferror(ToServer)) break; if (fgets(input, sizeof input, FromServer) == NULL || atoi(input) != NNTP_AUTH_NEXT_VAL) break; } if (*pass) { /* Send the second part of the command, get a reply. */ (void)fprintf(ToServer, "authinfo pass %s\r\n", pass); if (fflush(ToServer) == EOF || ferror(ToServer)) break; if (fgets(input, sizeof input, FromServer) == NULL || atoi(input) != NNTP_AUTH_OK_VAL) break; } /* Authenticated. */ (void)fclose(F); return 0; } /* End of file without finding a password, that's okay. */ if (feof(F)) { (void)fclose(F); return 0; } /* Save errno, close the file, fail. */ oerrno = errno; (void)fclose(F); errno = oerrno; return -1; }