diff options
Diffstat (limited to 'source3/lib')
| -rw-r--r-- | source3/lib/popt_common.c | 240 |
1 files changed, 231 insertions, 9 deletions
diff --git a/source3/lib/popt_common.c b/source3/lib/popt_common.c index 77c44f127a..03e39f5953 100644 --- a/source3/lib/popt_common.c +++ b/source3/lib/popt_common.c @@ -3,7 +3,7 @@ Common popt routines Copyright (C) Tim Potter 2001,2002 - Copyright (C) Jelmer Vernooij 2002 + Copyright (C) Jelmer Vernooij 2002,2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,17 +23,20 @@ #include "includes.h" /* Handle command line options: - * d,--debuglevel - * s,--configfile - * O,--socket-options - * V,--version - * l,--log-base - * n,--netbios-name + * -d,--debuglevel + * -s,--configfile + * -O,--socket-options + * -V,--version + * -l,--log-base + * -n,--netbios-name + * -i,--scope */ extern pstring user_socket_options; extern BOOL AllowDebugChange; +struct user_auth_info cmdline_auth_info; + static void popt_common_callback(poptContext con, enum poptCallbackReason reason, const struct poptOption *opt, @@ -93,13 +96,24 @@ static void popt_common_callback(poptContext con, lp_set_logfile(logfile); } break; + + case 'i': + if (arg) { + set_global_scope(arg); + } + break; } } struct poptOption popt_common_debug[] = { { NULL, 0, POPT_ARG_CALLBACK, popt_common_callback }, - { "debuglevel", 'd', POPT_ARG_STRING, NULL, 'd', "Set debug level", - "DEBUGLEVEL" }, + { "debuglevel", 'd', POPT_ARG_STRING, NULL, 'd', "Set debug level", "DEBUGLEVEL" }, + { 0 } +}; + +struct poptOption popt_common_scope[] = { + { NULL, 0, POPT_ARG_CALLBACK, popt_common_callback }, + { "scope", 'i', POPT_ARG_STRING, NULL, 'i', "Use this Netbios scope", "SCOPE" }, { 0 } }; @@ -132,3 +146,211 @@ struct poptOption popt_common_log_base[] = { { "log-basename", 'l', POPT_ARG_STRING, NULL, 'l', "Basename for log/debug files"}, { 0 } }; + +/**************************************************************************** + * get a password from a a file or file descriptor + * exit on failure + * ****************************************************************************/ +static void get_password_file(struct user_auth_info *a) +{ + int fd = -1; + char *p; + BOOL close_it = False; + pstring spec; + char pass[128]; + + if ((p = getenv("PASSWD_FD")) != NULL) { + pstrcpy(spec, "descriptor "); + pstrcat(spec, p); + sscanf(p, "%d", &fd); + close_it = False; + } else if ((p = getenv("PASSWD_FILE")) != NULL) { + fd = sys_open(p, O_RDONLY, 0); + pstrcpy(spec, p); + if (fd < 0) { + fprintf(stderr, "Error opening PASSWD_FILE %s: %s\n", + spec, strerror(errno)); + exit(1); + } + close_it = True; + } + + for(p = pass, *p = '\0'; /* ensure that pass is null-terminated */ + p && p - pass < sizeof(pass);) { + switch (read(fd, p, 1)) { + case 1: + if (*p != '\n' && *p != '\0') { + *++p = '\0'; /* advance p, and null-terminate pass */ + break; + } + case 0: + if (p - pass) { + *p = '\0'; /* null-terminate it, just in case... */ + p = NULL; /* then force the loop condition to become false */ + break; + } else { + fprintf(stderr, "Error reading password from file %s: %s\n", + spec, "empty password\n"); + exit(1); + } + + default: + fprintf(stderr, "Error reading password from file %s: %s\n", + spec, strerror(errno)); + exit(1); + } + } + pstrcpy(a->password, pass); + if (close_it) + close(fd); +} + +static void get_credentials_file(const char *file, struct user_auth_info *info) +{ + XFILE *auth; + fstring buf; + uint16 len = 0; + char *ptr, *val, *param; + + if ((auth=x_fopen(file, O_RDONLY, 0)) == NULL) + { + /* fail if we can't open the credentials file */ + d_printf("ERROR: Unable to open credentials file!\n"); + exit(-1); + } + + while (!x_feof(auth)) + { + /* get a line from the file */ + if (!x_fgets(buf, sizeof(buf), auth)) + continue; + len = strlen(buf); + + if ((len) && (buf[len-1]=='\n')) + { + buf[len-1] = '\0'; + len--; + } + if (len == 0) + continue; + + /* break up the line into parameter & value. + * will need to eat a little whitespace possibly */ + param = buf; + if (!(ptr = strchr_m (buf, '='))) + continue; + + val = ptr+1; + *ptr = '\0'; + + /* eat leading white space */ + while ((*val!='\0') && ((*val==' ') || (*val=='\t'))) + val++; + + if (strwicmp("password", param) == 0) + { + pstrcpy(info->password, val); + info->got_pass = True; + } + else if (strwicmp("username", param) == 0) + pstrcpy(info->username, val); + else if (strwicmp("domain", param) == 0) + pstrcpy(info->workgroup,val); + memset(buf, 0, sizeof(buf)); + } + x_fclose(auth); +} + +/* Handle command line options: + * -U,--user + * -W,--workgroup + * -A,--authentication-file + * -k,--use-kerberos + * -N,--no-pass + */ + + +static void popt_common_credentials_callback(poptContext con, + enum poptCallbackReason reason, + const struct poptOption *opt, + const char *arg, const void *data) +{ + char *p; + + if (reason == POPT_CALLBACK_REASON_PRE) { + cmdline_auth_info.use_kerberos = False; + cmdline_auth_info.got_pass = False; + pstrcpy(cmdline_auth_info.username, "GUEST"); + + if (getenv("LOGNAME"))pstrcpy(cmdline_auth_info.username,getenv("LOGNAME")); + + if (getenv("USER")) { + pstrcpy(cmdline_auth_info.username,getenv("USER")); + + if ((p = strchr_m(cmdline_auth_info.username,'%'))) { + *p = 0; + pstrcpy(cmdline_auth_info.password,p+1); + cmdline_auth_info.got_pass = True; + memset(strchr_m(getenv("USER"),'%')+1,'X',strlen(cmdline_auth_info.password)); + } + } + + if (getenv("PASSWD")) { + pstrcpy(cmdline_auth_info.password,getenv("PASSWD")); + cmdline_auth_info.got_pass = True; + } + + if (getenv("PASSWD_FD") || getenv("PASSWD_FILE")) { + get_password_file(&cmdline_auth_info); + cmdline_auth_info.got_pass = True; + } + + return; + } + + switch(opt->val) { + case 'U': + { + char *lp; + + pstrcpy(cmdline_auth_info.username,arg); + if ((lp=strchr_m(cmdline_auth_info.username,'%'))) { + *lp = 0; + pstrcpy(cmdline_auth_info.password,lp+1); + cmdline_auth_info.got_pass = True; + memset(strchr_m(arg,'%')+1,'X',strlen(cmdline_auth_info.password)); + } + } + break; + + case 'A': + get_credentials_file(arg, &cmdline_auth_info); + break; + + case 'W': + pstrcpy(cmdline_auth_info.workgroup,arg); + break; + + case 'k': +#ifndef HAVE_KRB5 + d_printf("No kerberos support compiled in\n"); + exit(1); +#else + cmdline_auth_info.got_pass = True; +#endif + + break; + } + } + + + + struct poptOption popt_common_credentials[] = { + { NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE, popt_common_credentials_callback }, + { "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "USERNAME" }, + { "no-pass", 'N', POPT_ARG_VAL, &cmdline_auth_info.got_pass, TRUE, "Don't ask for a password" }, + { "kerberos", 'k', POPT_ARG_VAL, &cmdline_auth_info.use_kerberos, TRUE, "Use kerberos (active directory) authentication" }, + { "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" }, + { "workgroup", 'W', POPT_ARG_STRING, NULL, 'W', "Set the workgroup name", "WORKGROUP" }, + { 0 } + }; |