-/* This is based on loadparm.c from Samba, written by Andrew Tridgell
- and Karl Auer */
-
-/* some fixes
+/*
+ * 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
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
*
- * Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
+ * This is based on loadparm.c from Samba, written by Andrew Tridgell
+ * and Karl Auer. Some of the changes are:
+ *
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003-2020 Wayne Davison
*/
-/*
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/*
- * Load parameters.
+/* Load parameters.
*
* This module provides suitable callback functions for the params
- * module. It builds the internal table of service details which is
+ * module. It builds the internal table of section details which is
* then used by the rest of the server.
*
* To add a parameter:
*
- * 1) add it to the global or service structure definition
+ * 1) add it to the global_vars or local_vars structure definition
* 2) add it to the parm_table
* 3) add it to the list of available functions (eg: using FN_GLOBAL_STRING())
- * 4) If it's a global then initialise it in init_globals. If a local
- * (ie. service) parameter then initialise it in the sDefault structure
- *
+ * 4) initialise it in the Defaults static structure
*
* Notes:
- * The configuration file is processed sequentially for speed. It is NOT
- * accessed randomly as happens in 'real' Windows. For this reason, there
- * is a fair bit of sequence-dependent code here - ie., code which assumes
- * that certain things happen before others. In particular, the code which
- * happens at the boundary between sections is delicately poised, so be
- * careful!
- *
+ * The configuration file is processed sequentially for speed. For this
+ * reason, there is a fair bit of sequence-dependent code here - ie., code
+ * which assumes that certain things happen before others. In particular, the
+ * code which happens at the boundary between sections is delicately poised,
+ * so be careful!
*/
-/* TODO: Parameter to set debug level on server. */
-
#include "rsync.h"
-#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((char *)(p1)) - (char *)(p2)))
-#define strequal(a,b) (strcasecmp(a,b)==0)
-#define BOOLSTR(b) ((b) ? "Yes" : "No")
-typedef char pstring[1024];
-#define pstrcpy(a,b) strlcpy(a,b,sizeof(pstring))
+#include "itypes.h"
+#include "ifuncs.h"
+#include "default-dont-compress.h"
+
+extern item_list dparam_list;
+
+#define strequal(a, b) (strcasecmp(a, b)==0)
+
+#ifndef LOG_DAEMON
+#define LOG_DAEMON 0
+#endif
/* the following are used by loadparm for option lists */
-typedef enum
-{
- P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,
- P_PATH,P_STRING,P_GSTRING,P_ENUM,P_SEP
+typedef enum {
+ P_BOOL, P_BOOLREV, P_BOOL3, P_CHAR, P_INTEGER,
+ P_OCTAL, P_PATH, P_STRING, P_ENUM
} parm_type;
-typedef enum
-{
- P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
+typedef enum {
+ P_LOCAL, P_GLOBAL, P_NONE
} parm_class;
struct enum_list {
char *name;
};
-struct parm_struct
-{
+struct parm_struct {
char *label;
parm_type type;
parm_class class;
#endif
/* some helpful bits */
-#define pSERVICE(i) ServicePtrs[i]
-#define iSERVICE(i) (*pSERVICE(i))
-#define LP_SNUM_OK(iService) (((iService) >= 0) && ((iService) < iNumServices))
+#define iSECTION(i) ((local_vars*)section_list.items)[i]
+#define LP_SNUM_OK(i) ((i) >= 0 && (i) < (int)section_list.count)
+#define SECTION_PTR(s, p) (((char*)(s)) + (ptrdiff_t)(((char*)(p))-(char*)&Vars.l))
-/*
- * This structure describes global (ie., server-wide) parameters.
- */
-typedef struct
-{
- char *bind_address;
- char *log_file;
- char *motd_file;
- char *pid_file;
- char *socket_options;
-
- int rsync_port;
- int syslog_facility;
-} global;
+/* Stack of "Vars" values used by the &include directive. */
+static item_list Vars_stack = EMPTY_ITEM_LIST;
-static global Globals;
+/* The array of section values that holds all the defined modules. */
+static item_list section_list = EMPTY_ITEM_LIST;
-
-/*
- * This structure describes a single service. Their order must match the
- * initializers below, which you can accomplish by keeping each sub-section
- * sorted. (e.g. in vim, just visually select each subsection and use !sort.)
- */
-typedef struct
-{
- char *auth_users;
- char *comment;
- char *dont_compress;
- char *exclude;
- char *exclude_from;
- char *filter;
- char *gid;
- char *hosts_allow;
- char *hosts_deny;
- char *include;
- char *include_from;
- char *lock_file;
- char *log_format;
- char *name;
- char *path;
- char *postxfer_exec;
- char *prexfer_exec;
- char *refuse_options;
- char *secrets_file;
- char *temp_dir;
- char *uid;
-
- int max_connections;
- int max_verbosity;
- int timeout;
-
- BOOL ignore_errors;
- BOOL ignore_nonreadable;
- BOOL list;
- BOOL read_only;
- BOOL strict_modes;
- BOOL transfer_logging;
- BOOL use_chroot;
- BOOL write_only;
-} service;
-
-
-/* This is a default service used to prime a services structure. In order
- * to make these easy to keep sorted in the same way as the variables
- * above, use the variable name in the leading comment, including a
- * trailing ';' (to avoid a sorting problem with trailing digits). */
-static service sDefault =
-{
- /* auth_users; */ NULL,
- /* comment; */ NULL,
- /* dont_compress; */ "*.gz *.tgz *.zip *.z *.rpm *.deb *.iso *.bz2 *.tbz",
- /* exclude; */ NULL,
- /* exclude_from; */ NULL,
- /* filter; */ NULL,
- /* gid; */ NOBODY_GROUP,
- /* hosts_allow; */ NULL,
- /* hosts_deny; */ NULL,
- /* include; */ NULL,
- /* include_from; */ NULL,
- /* lock_file; */ DEFAULT_LOCK_FILE,
- /* log_format; */ "%o %h [%a] %m (%u) %f %l",
- /* name; */ NULL,
- /* path; */ NULL,
- /* postxfer_exec; */ NULL,
- /* prexfer_exec; */ NULL,
- /* refuse_options; */ NULL,
- /* secrets_file; */ NULL,
- /* temp_dir; */ NULL,
- /* uid; */ NOBODY_USER,
-
- /* max_connections; */ 0,
- /* max_verbosity; */ 1,
- /* timeout; */ 0,
-
- /* ignore_errors; */ False,
- /* ignore_nonreadable; */ False,
- /* list; */ True,
- /* read_only; */ True,
- /* strict_modes; */ True,
- /* transfer_logging; */ False,
- /* use_chroot; */ True,
- /* write_only; */ False,
-};
-
-
-
-/* local variables */
-static service **ServicePtrs = NULL;
-static int iNumServices = 0;
-static int iServiceIndex = 0;
+static int iSectionIndex = -1;
static BOOL bInGlobalSection = True;
-#define NUMPARAMETERS (sizeof(parm_table) / sizeof(struct parm_struct))
-
-static struct enum_list enum_facilities[] = {
+static struct enum_list enum_syslog_facility[] = {
#ifdef LOG_AUTH
{ LOG_AUTH, "auth" },
#endif
#ifdef LOG_LOCAL7
{ LOG_LOCAL7, "local7" },
#endif
- { -1, NULL }};
-
+ { -1, NULL }
+};
-/* note that we do not initialise the defaults union - it is not allowed in ANSI C */
-static struct parm_struct parm_table[] =
+/* Expand %VAR% references. Any unknown vars or unrecognized
+ * syntax leaves the raw chars unchanged. */
+static char *expand_vars(const char *str)
{
- {"address", P_STRING, P_GLOBAL,&Globals.bind_address, NULL,0},
- {"log file", P_STRING, P_GLOBAL,&Globals.log_file, NULL,0},
- {"motd file", P_STRING, P_GLOBAL,&Globals.motd_file, NULL,0},
- {"pid file", P_STRING, P_GLOBAL,&Globals.pid_file, NULL,0},
- {"port", P_INTEGER,P_GLOBAL,&Globals.rsync_port, NULL,0},
- {"socket options", P_STRING, P_GLOBAL,&Globals.socket_options, NULL,0},
- {"syslog facility", P_ENUM, P_GLOBAL,&Globals.syslog_facility,enum_facilities,0},
-
- {"auth users", P_STRING, P_LOCAL, &sDefault.auth_users, NULL,0},
- {"comment", P_STRING, P_LOCAL, &sDefault.comment, NULL,0},
- {"dont compress", P_STRING, P_LOCAL, &sDefault.dont_compress, NULL,0},
- {"exclude from", P_STRING, P_LOCAL, &sDefault.exclude_from, NULL,0},
- {"exclude", P_STRING, P_LOCAL, &sDefault.exclude, NULL,0},
- {"filter", P_STRING, P_LOCAL, &sDefault.filter, NULL,0},
- {"gid", P_STRING, P_LOCAL, &sDefault.gid, NULL,0},
- {"hosts allow", P_STRING, P_LOCAL, &sDefault.hosts_allow, NULL,0},
- {"hosts deny", P_STRING, P_LOCAL, &sDefault.hosts_deny, NULL,0},
- {"ignore errors", P_BOOL, P_LOCAL, &sDefault.ignore_errors, NULL,0},
- {"ignore nonreadable",P_BOOL, P_LOCAL, &sDefault.ignore_nonreadable,NULL,0},
- {"include from", P_STRING, P_LOCAL, &sDefault.include_from, NULL,0},
- {"include", P_STRING, P_LOCAL, &sDefault.include, NULL,0},
- {"list", P_BOOL, P_LOCAL, &sDefault.list, NULL,0},
- {"lock file", P_STRING, P_LOCAL, &sDefault.lock_file, NULL,0},
- {"log format", P_STRING, P_LOCAL, &sDefault.log_format, NULL,0},
- {"max connections", P_INTEGER,P_LOCAL, &sDefault.max_connections, NULL,0},
- {"max verbosity", P_INTEGER,P_LOCAL, &sDefault.max_verbosity, NULL,0},
- {"name", P_STRING, P_LOCAL, &sDefault.name, NULL,0},
- {"path", P_PATH, P_LOCAL, &sDefault.path, NULL,0},
-#ifdef HAVE_PUTENV
- {"post-xfer exec", P_STRING, P_LOCAL, &sDefault.postxfer_exec, NULL,0},
- {"pre-xfer exec", P_STRING, P_LOCAL, &sDefault.prexfer_exec, NULL,0},
-#endif
- {"read only", P_BOOL, P_LOCAL, &sDefault.read_only, NULL,0},
- {"refuse options", P_STRING, P_LOCAL, &sDefault.refuse_options, NULL,0},
- {"secrets file", P_STRING, P_LOCAL, &sDefault.secrets_file, NULL,0},
- {"strict modes", P_BOOL, P_LOCAL, &sDefault.strict_modes, NULL,0},
- {"temp dir", P_PATH, P_LOCAL, &sDefault.temp_dir, NULL,0},
- {"timeout", P_INTEGER,P_LOCAL, &sDefault.timeout, NULL,0},
- {"transfer logging", P_BOOL, P_LOCAL, &sDefault.transfer_logging, NULL,0},
- {"uid", P_STRING, P_LOCAL, &sDefault.uid, NULL,0},
- {"use chroot", P_BOOL, P_LOCAL, &sDefault.use_chroot, NULL,0},
- {"write only", P_BOOL, P_LOCAL, &sDefault.write_only, NULL,0},
- {NULL, P_BOOL, P_NONE, NULL, NULL,0}
-};
+ char *buf, *t;
+ const char *f;
+ int bufsize;
+
+ if (!str || !strchr(str, '%'))
+ return (char *)str; /* TODO change return value to const char* at some point. */
+
+ bufsize = strlen(str) + 2048;
+ buf = new_array(char, bufsize+1); /* +1 for trailing '\0' */
+
+ for (t = buf, f = str; bufsize && *f; ) {
+ if (*f == '%' && isUpper(f+1)) {
+ char *percent = strchr(f+1, '%');
+ if (percent && percent - f < bufsize) {
+ char *val;
+ strlcpy(t, f+1, percent - f);
+ val = getenv(t);
+ if (val) {
+ int len = strlcpy(t, val, bufsize+1);
+ if (len > bufsize)
+ break;
+ bufsize -= len;
+ t += len;
+ f = percent + 1;
+ continue;
+ }
+ }
+ }
+ *t++ = *f++;
+ bufsize--;
+ }
+ *t = '\0';
+ if (*f) {
+ rprintf(FLOG, "Overflowed buf in expand_vars() trying to expand: %s\n", str);
+ exit_cleanup(RERR_MALLOC);
+ }
-/***************************************************************************
-Initialise the global parameter structure.
-***************************************************************************/
-static void init_globals(void)
-{
- memset(&Globals, 0, sizeof Globals);
-#ifdef LOG_DAEMON
- Globals.syslog_facility = LOG_DAEMON;
-#endif
+ if (bufsize && (buf = realloc(buf, t - buf + 1)) == NULL)
+ out_of_memory("expand_vars");
+
+ return buf;
}
-/***************************************************************************
-Initialise the sDefault parameter structure.
-***************************************************************************/
-static void init_locals(void)
+/* Each "char* foo" has an associated "BOOL foo_EXP" that tracks if the string has been expanded yet or not. */
+
+/* NOTE: use this function and all the FN_{GLOBAL,LOCAL} ones WITHOUT a trailing semicolon! */
+#define RETURN_EXPANDED(val) {if (!val ## _EXP) {val = expand_vars(val); val ## _EXP = True;} return val ? val : "";}
+
+/* In this section all the functions that are used to access the
+ * parameters from the rest of the program are defined. */
+
+#define FN_GLOBAL_STRING(fn_name, val) \
+ char *fn_name(void) RETURN_EXPANDED(Vars.g.val)
+#define FN_GLOBAL_BOOL(fn_name, val) \
+ BOOL fn_name(void) {return Vars.g.val;}
+#define FN_GLOBAL_CHAR(fn_name, val) \
+ char fn_name(void) {return Vars.g.val;}
+#define FN_GLOBAL_INTEGER(fn_name, val) \
+ int fn_name(void) {return Vars.g.val;}
+
+#define FN_LOCAL_STRING(fn_name, val) \
+ char *fn_name(int i) {if (LP_SNUM_OK(i) && iSECTION(i).val) RETURN_EXPANDED(iSECTION(i).val) else RETURN_EXPANDED(Vars.l.val)}
+#define FN_LOCAL_BOOL(fn_name, val) \
+ BOOL fn_name(int i) {return LP_SNUM_OK(i)? iSECTION(i).val : Vars.l.val;}
+#define FN_LOCAL_CHAR(fn_name, val) \
+ char fn_name(int i) {return LP_SNUM_OK(i)? iSECTION(i).val : Vars.l.val;}
+#define FN_LOCAL_INTEGER(fn_name, val) \
+ int fn_name(int i) {return LP_SNUM_OK(i)? iSECTION(i).val : Vars.l.val;}
+
+/* The following include file contains:
+ *
+ * typedef global_vars - describes global (ie., server-wide) parameters.
+ * typedef local_vars - describes a single section.
+ * typedef all_vars - a combination of global_vars & local_vars.
+ * all_vars Defaults - the default values for all the variables.
+ * all_vars Vars - the currently configured values for all the variables.
+ * struct parm_struct parm_table - the strings & variables for the parser.
+ * FN_{LOCAL,GLOBAL}_{TYPE}() definition for all the lp_var_name() accessors.
+ */
+
+#include "daemon-parm.h"
+
+/* Initialise the Default all_vars structure. */
+void reset_daemon_vars(void)
{
+ memcpy(&Vars, &Defaults, sizeof Vars);
}
+/* Assign a copy of v to *s. Handles NULL strings. We don't worry
+ * about overwriting a malloc'd string because the long-running
+ * (port-listening) daemon only loads the config file once, and the
+ * per-job (forked or xinitd-ran) daemon only re-reads the file at
+ * the start, so any lost memory is inconsequential. */
+static inline void string_set(char **s, const char *v)
+{
+ *s = v ? strdup(v) : NULL;
+}
-/*
- In this section all the functions that are used to access the
- parameters from the rest of the program are defined
-*/
-
-#define FN_GLOBAL_STRING(fn_name,ptr) \
- char *fn_name(void) {return(*(char **)(ptr) ? *(char **)(ptr) : "");}
-#define FN_GLOBAL_BOOL(fn_name,ptr) \
- BOOL fn_name(void) {return(*(BOOL *)(ptr));}
-#define FN_GLOBAL_CHAR(fn_name,ptr) \
- char fn_name(void) {return(*(char *)(ptr));}
-#define FN_GLOBAL_INTEGER(fn_name,ptr) \
- int fn_name(void) {return(*(int *)(ptr));}
-
-#define FN_LOCAL_STRING(fn_name,val) \
- char *fn_name(int i) {return((LP_SNUM_OK(i)&&pSERVICE(i)->val)?pSERVICE(i)->val : (sDefault.val?sDefault.val:""));}
-#define FN_LOCAL_BOOL(fn_name,val) \
- BOOL fn_name(int i) {return(LP_SNUM_OK(i)? pSERVICE(i)->val : sDefault.val);}
-#define FN_LOCAL_CHAR(fn_name,val) \
- char fn_name(int i) {return(LP_SNUM_OK(i)? pSERVICE(i)->val : sDefault.val);}
-#define FN_LOCAL_INTEGER(fn_name,val) \
- int fn_name(int i) {return(LP_SNUM_OK(i)? pSERVICE(i)->val : sDefault.val);}
-
-
-FN_GLOBAL_STRING(lp_bind_address, &Globals.bind_address)
-FN_GLOBAL_STRING(lp_log_file, &Globals.log_file)
-FN_GLOBAL_STRING(lp_motd_file, &Globals.motd_file)
-FN_GLOBAL_STRING(lp_pid_file, &Globals.pid_file)
-FN_GLOBAL_STRING(lp_socket_options, &Globals.socket_options)
-
-FN_GLOBAL_INTEGER(lp_rsync_port, &Globals.rsync_port)
-FN_GLOBAL_INTEGER(lp_syslog_facility, &Globals.syslog_facility)
-
-FN_LOCAL_STRING(lp_auth_users, auth_users)
-FN_LOCAL_STRING(lp_comment, comment)
-FN_LOCAL_STRING(lp_dont_compress, dont_compress)
-FN_LOCAL_STRING(lp_exclude, exclude)
-FN_LOCAL_STRING(lp_exclude_from, exclude_from)
-FN_LOCAL_STRING(lp_filter, filter)
-FN_LOCAL_STRING(lp_gid, gid)
-FN_LOCAL_STRING(lp_hosts_allow, hosts_allow)
-FN_LOCAL_STRING(lp_hosts_deny, hosts_deny)
-FN_LOCAL_STRING(lp_include, include)
-FN_LOCAL_STRING(lp_include_from, include_from)
-FN_LOCAL_STRING(lp_lock_file, lock_file)
-FN_LOCAL_STRING(lp_log_format, log_format)
-FN_LOCAL_STRING(lp_name, name)
-FN_LOCAL_STRING(lp_path, path)
-FN_LOCAL_STRING(lp_postxfer_exec, postxfer_exec)
-FN_LOCAL_STRING(lp_prexfer_exec, prexfer_exec)
-FN_LOCAL_STRING(lp_refuse_options, refuse_options)
-FN_LOCAL_STRING(lp_secrets_file, secrets_file)
-FN_LOCAL_STRING(lp_temp_dir, temp_dir)
-FN_LOCAL_STRING(lp_uid, uid)
-
-FN_LOCAL_INTEGER(lp_max_connections, max_connections)
-FN_LOCAL_INTEGER(lp_max_verbosity, max_verbosity)
-FN_LOCAL_INTEGER(lp_timeout, timeout)
-
-FN_LOCAL_BOOL(lp_ignore_errors, ignore_errors)
-FN_LOCAL_BOOL(lp_ignore_nonreadable, ignore_nonreadable)
-FN_LOCAL_BOOL(lp_list, list)
-FN_LOCAL_BOOL(lp_read_only, read_only)
-FN_LOCAL_BOOL(lp_strict_modes, strict_modes)
-FN_LOCAL_BOOL(lp_transfer_logging, transfer_logging)
-FN_LOCAL_BOOL(lp_use_chroot, use_chroot)
-FN_LOCAL_BOOL(lp_write_only, write_only)
-
-/* local prototypes */
-static int strwicmp(char *psz1, char *psz2);
-static int map_parameter(char *parmname);
-static BOOL set_boolean(BOOL *pb, char *parmvalue);
-static int getservicebyname(char *name, service *pserviceDest);
-static void copy_service(service *pserviceDest, service *pserviceSource);
-static BOOL do_parameter(char *parmname, char *parmvalue);
-static BOOL do_section(char *sectionname);
-
-
-/***************************************************************************
-initialise a service to the defaults
-***************************************************************************/
-static void init_service(service *pservice)
+/* Copy local_vars into a new section. No need to strdup since we don't free. */
+static void copy_section(local_vars *psectionDest, local_vars *psectionSource)
{
- memset((char *)pservice,0,sizeof(service));
- copy_service(pservice,&sDefault);
+ memcpy(psectionDest, psectionSource, sizeof psectionDest[0]);
}
+/* Initialise a section to the defaults. */
+static void init_section(local_vars *psection)
+{
+ memset(psection, 0, sizeof (local_vars));
+ copy_section(psection, &Vars.l);
+}
-/**
- * Assign a copy of @p v to @p *s. Handles NULL strings. @p *v must
- * be initialized when this is called, either to NULL or a malloc'd
- * string.
- *
- * @fixme There is a small leak here in that sometimes the existing
- * value will be dynamically allocated, and the old copy is lost.
- * However, we can't always deallocate the old value, because in the
- * case of sDefault, it points to a static string. It would be nice
- * to have either all-strdup'd values, or to never need to free
- * memory.
- **/
-static void string_set(char **s, const char *v)
+/* Do a case-insensitive, whitespace-ignoring string equality check. */
+static int strwiEQ(char *psz1, char *psz2)
{
- if (!v) {
- *s = NULL;
- return;
+ /* If one or both strings are NULL, we return equality right away. */
+ if (psz1 == psz2)
+ return 1;
+ if (psz1 == NULL || psz2 == NULL)
+ return 0;
+
+ /* sync the strings on first non-whitespace */
+ while (1) {
+ while (isSpace(psz1))
+ psz1++;
+ while (isSpace(psz2))
+ psz2++;
+ if (*psz1 == '\0' || *psz2 == '\0')
+ break;
+ if (toUpper(psz1) != toUpper(psz2))
+ break;
+ psz1++;
+ psz2++;
}
- *s = strdup(v);
- if (!*s)
- exit_cleanup(RERR_MALLOC);
+ return *psz1 == *psz2;
}
-
-/***************************************************************************
-add a new service to the services array initialising it with the given
-service
-***************************************************************************/
-static int add_a_service(service *pservice, char *name)
+/* Find a section by name. Otherwise works like get_section. */
+static int getsectionbyname(char *name)
{
- int i;
- service tservice;
- int num_to_alloc = iNumServices+1;
-
- tservice = *pservice;
-
- /* it might already exist */
- if (name)
- {
- i = getservicebyname(name,NULL);
- if (i >= 0)
- return(i);
- }
+ int i;
- i = iNumServices;
-
- ServicePtrs = realloc_array(ServicePtrs, service *, num_to_alloc);
+ for (i = section_list.count - 1; i >= 0; i--) {
+ if (strwiEQ(iSECTION(i).name, name))
+ break;
+ }
- if (ServicePtrs)
- pSERVICE(iNumServices) = new(service);
+ return i;
+}
- if (!ServicePtrs || !pSERVICE(iNumServices))
- return(-1);
+/* Add a new section to the sections array w/the default values. */
+static int add_a_section(char *name)
+{
+ int i;
+ local_vars *s;
+
+ /* it might already exist */
+ if (name) {
+ i = getsectionbyname(name);
+ if (i >= 0)
+ return i;
+ }
- iNumServices++;
+ i = section_list.count;
+ s = EXPAND_ITEM_LIST(§ion_list, local_vars, 2);
- init_service(pSERVICE(i));
- copy_service(pSERVICE(i),&tservice);
- if (name)
- string_set(&iSERVICE(i).name,name);
+ init_section(s);
+ if (name)
+ string_set(&s->name, name);
- return(i);
+ return i;
}
-/***************************************************************************
-Do a case-insensitive, whitespace-ignoring string compare.
-***************************************************************************/
-static int strwicmp(char *psz1, char *psz2)
-{
- /* if BOTH strings are NULL, return TRUE, if ONE is NULL return */
- /* appropriate value. */
- if (psz1 == psz2)
- return (0);
- else
- if (psz1 == NULL)
- return (-1);
- else
- if (psz2 == NULL)
- return (1);
-
- /* sync the strings on first non-whitespace */
- while (1)
- {
- while (isspace(* (unsigned char *) psz1))
- psz1++;
- while (isspace(* (unsigned char *) psz2))
- psz2++;
- if (toupper(* (unsigned char *) psz1) != toupper(* (unsigned char *) psz2)
- || *psz1 == '\0' || *psz2 == '\0')
- break;
- psz1++;
- psz2++;
- }
- return (*psz1 - *psz2);
-}
-
-/***************************************************************************
-Map a parameter's string representation to something we can use.
-Returns False if the parameter string is not recognised, else TRUE.
-***************************************************************************/
+/* Map a parameter's string representation to something we can use.
+ * Returns False if the parameter string is not recognised, else TRUE. */
static int map_parameter(char *parmname)
{
- int iIndex;
+ int iIndex;
- if (*parmname == '-')
- return(-1);
+ if (*parmname == '-')
+ return -1;
- for (iIndex = 0; parm_table[iIndex].label; iIndex++)
- if (strwicmp(parm_table[iIndex].label, parmname) == 0)
- return(iIndex);
+ for (iIndex = 0; parm_table[iIndex].label; iIndex++) {
+ if (strwiEQ(parm_table[iIndex].label, parmname))
+ return iIndex;
+ }
- rprintf(FERROR, "Unknown Parameter encountered: \"%s\"\n", parmname);
- return(-1);
+ rprintf(FLOG, "Unknown Parameter encountered: \"%s\"\n", parmname);
+ return -1;
}
-
-/***************************************************************************
-Set a boolean variable from the text value stored in the passed string.
-Returns True in success, False if the passed string does not correctly
-represent a boolean.
-***************************************************************************/
-static BOOL set_boolean(BOOL *pb, char *parmvalue)
+/* Set a boolean variable from the text value stored in the passed string.
+ * Returns True in success, False if the passed string does not correctly
+ * represent a boolean. */
+static BOOL set_boolean(BOOL *pb, char *parmvalue, int allow_unset)
{
- BOOL bRetval;
-
- bRetval = True;
- if (strwicmp(parmvalue, "yes") == 0 ||
- strwicmp(parmvalue, "true") == 0 ||
- strwicmp(parmvalue, "1") == 0)
- *pb = True;
- else
- if (strwicmp(parmvalue, "no") == 0 ||
- strwicmp(parmvalue, "False") == 0 ||
- strwicmp(parmvalue, "0") == 0)
- *pb = False;
- else
- {
- rprintf(FERROR, "Badly formed boolean in configuration file: \"%s\".\n",
- parmvalue);
- bRetval = False;
- }
- return (bRetval);
+ if (strwiEQ(parmvalue, "yes") || strwiEQ(parmvalue, "true") || strwiEQ(parmvalue, "1"))
+ *pb = True;
+ else if (strwiEQ(parmvalue, "no") || strwiEQ(parmvalue, "false") || strwiEQ(parmvalue, "0"))
+ *pb = False;
+ else if (allow_unset && (strwiEQ(parmvalue, "unset") || strwiEQ(parmvalue, "-1")))
+ *pb = Unset;
+ else {
+ rprintf(FLOG, "Badly formed boolean in configuration file: \"%s\".\n", parmvalue);
+ return False;
+ }
+ return True;
}
-/***************************************************************************
-Find a service by name. Otherwise works like get_service.
-***************************************************************************/
-static int getservicebyname(char *name, service *pserviceDest)
+/* Process a parameter. */
+static BOOL do_parameter(char *parmname, char *parmvalue)
{
- int iService;
-
- for (iService = iNumServices - 1; iService >= 0; iService--)
- if (strwicmp(iSERVICE(iService).name, name) == 0)
- {
- if (pserviceDest != NULL)
- copy_service(pserviceDest, pSERVICE(iService));
- break;
- }
-
- return (iService);
-}
+ int parmnum, i;
+ void *parm_ptr; /* where we are going to store the result */
+ void *def_ptr;
+ char *cp;
+ parmnum = map_parameter(parmname);
+ if (parmnum < 0) {
+ rprintf(FLOG, "IGNORING unknown parameter \"%s\"\n", parmname);
+ return True;
+ }
-/***************************************************************************
-Copy a service structure to another
+ def_ptr = parm_table[parmnum].ptr;
-***************************************************************************/
-static void copy_service(service *pserviceDest,
- service *pserviceSource)
-{
- int i;
-
- for (i=0;parm_table[i].label;i++)
- if (parm_table[i].ptr && parm_table[i].class == P_LOCAL) {
- void *def_ptr = parm_table[i].ptr;
- void *src_ptr =
- ((char *)pserviceSource) + PTR_DIFF(def_ptr,&sDefault);
- void *dest_ptr =
- ((char *)pserviceDest) + PTR_DIFF(def_ptr,&sDefault);
-
- switch (parm_table[i].type)
- {
- case P_BOOL:
- case P_BOOLREV:
- *(BOOL *)dest_ptr = *(BOOL *)src_ptr;
- break;
-
- case P_INTEGER:
- case P_ENUM:
- case P_OCTAL:
- *(int *)dest_ptr = *(int *)src_ptr;
- break;
-
- case P_CHAR:
- *(char *)dest_ptr = *(char *)src_ptr;
- break;
-
- case P_PATH:
- case P_STRING:
- string_set(dest_ptr,*(char **)src_ptr);
- break;
-
- default:
- break;
- }
- }
-}
+ if (bInGlobalSection)
+ parm_ptr = def_ptr;
+ else {
+ if (parm_table[parmnum].class == P_GLOBAL) {
+ rprintf(FLOG, "Global parameter %s found in module section!\n", parmname);
+ return True;
+ }
+ parm_ptr = SECTION_PTR(&iSECTION(iSectionIndex), def_ptr);
+ }
+ /* now switch on the type of variable it is */
+ switch (parm_table[parmnum].type) {
+ case P_PATH:
+ case P_STRING:
+ /* delay expansion of %VAR% strings */
+ break;
+ default:
+ /* expand any %VAR% strings now */
+ parmvalue = expand_vars(parmvalue);
+ break;
+ }
-/***************************************************************************
-Process a parameter for a particular service number. If snum < 0
-then assume we are in the globals
-***************************************************************************/
-static BOOL lp_do_parameter(int snum, char *parmname, char *parmvalue)
-{
- int parmnum, i;
- void *parm_ptr=NULL; /* where we are going to store the result */
- void *def_ptr=NULL;
- char *cp;
-
- parmnum = map_parameter(parmname);
-
- if (parmnum < 0)
- {
- rprintf(FERROR, "IGNORING unknown parameter \"%s\"\n", parmname);
- return(True);
- }
-
- def_ptr = parm_table[parmnum].ptr;
-
- /* we might point at a service, the default service or a global */
- if (snum < 0) {
- parm_ptr = def_ptr;
- } else {
- if (parm_table[parmnum].class == P_GLOBAL) {
- rprintf(FERROR, "Global parameter %s found in service section!\n",parmname);
- return(True);
- }
- parm_ptr = ((char *)pSERVICE(snum)) + PTR_DIFF(def_ptr,&sDefault);
- }
-
- /* now switch on the type of variable it is */
- switch (parm_table[parmnum].type)
- {
- case P_BOOL:
- set_boolean(parm_ptr,parmvalue);
- break;
-
- case P_BOOLREV:
- set_boolean(parm_ptr,parmvalue);
- *(BOOL *)parm_ptr = ! *(BOOL *)parm_ptr;
- break;
-
- case P_INTEGER:
- *(int *)parm_ptr = atoi(parmvalue);
- break;
-
- case P_CHAR:
- *(char *)parm_ptr = *parmvalue;
- break;
-
- case P_OCTAL:
- sscanf(parmvalue,"%o",(int *)parm_ptr);
- break;
-
- case P_PATH:
- string_set(parm_ptr,parmvalue);
- if ((cp = *(char**)parm_ptr) != NULL) {
- int len = strlen(cp);
- while (len > 1 && cp[len-1] == '/') len--;
- cp[len] = '\0';
- }
- break;
-
- case P_STRING:
- string_set(parm_ptr,parmvalue);
- break;
-
- case P_GSTRING:
- strlcpy((char *)parm_ptr,parmvalue,sizeof(pstring));
- break;
-
- case P_ENUM:
- for (i=0;parm_table[parmnum].enum_list[i].name;i++) {
- if (strequal(parmvalue, parm_table[parmnum].enum_list[i].name)) {
- *(int *)parm_ptr = parm_table[parmnum].enum_list[i].value;
- break;
- }
- }
- if (!parm_table[parmnum].enum_list[i].name) {
- if (atoi(parmvalue) > 0)
- *(int *)parm_ptr = atoi(parmvalue);
- }
- break;
- case P_SEP:
- break;
- }
-
- return(True);
-}
+ switch (parm_table[parmnum].type) {
+ case P_BOOL:
+ set_boolean(parm_ptr, parmvalue, False);
+ break;
+
+ case P_BOOL3:
+ set_boolean(parm_ptr, parmvalue, True);
+ break;
+
+ case P_BOOLREV:
+ set_boolean(parm_ptr, parmvalue, False);
+ *(BOOL *)parm_ptr = ! *(BOOL *)parm_ptr;
+ break;
+
+ case P_INTEGER:
+ *(int *)parm_ptr = atoi(parmvalue);
+ break;
+
+ case P_CHAR:
+ *(char *)parm_ptr = *parmvalue;
+ break;
+
+ case P_OCTAL:
+ sscanf(parmvalue, "%o", (unsigned int *)parm_ptr);
+ break;
+
+ case P_PATH:
+ string_set(parm_ptr, parmvalue);
+ if ((cp = *(char**)parm_ptr) != NULL) {
+ int len = strlen(cp);
+ while (len > 1 && cp[len-1] == '/') len--;
+ cp[len] = '\0';
+ }
+ break;
+
+ case P_STRING:
+ string_set(parm_ptr, parmvalue);
+ break;
+
+ case P_ENUM:
+ for (i=0; parm_table[parmnum].enum_list[i].name; i++) {
+ if (strequal(parmvalue, parm_table[parmnum].enum_list[i].name)) {
+ *(int *)parm_ptr = parm_table[parmnum].enum_list[i].value;
+ break;
+ }
+ }
+ if (!parm_table[parmnum].enum_list[i].name) {
+ if (atoi(parmvalue) > 0)
+ *(int *)parm_ptr = atoi(parmvalue);
+ }
+ break;
+ }
-/***************************************************************************
-Process a parameter.
-***************************************************************************/
-static BOOL do_parameter(char *parmname, char *parmvalue)
-{
- return lp_do_parameter(bInGlobalSection?-2:iServiceIndex, parmname, parmvalue);
+ return True;
}
-/***************************************************************************
-Process a new section (service). At this stage all sections are services.
-Later we'll have special sections that permit server parameters to be set.
-Returns True on success, False on failure.
-***************************************************************************/
+/* Process a new section (rsync module).
+ * Returns True on success, False on failure. */
static BOOL do_section(char *sectionname)
{
- BOOL bRetval;
- BOOL isglobal = (strwicmp(sectionname, GLOBAL_NAME) == 0);
- bRetval = False;
-
- /* if we were in a global section then do the local inits */
- if (bInGlobalSection && !isglobal)
- init_locals();
-
- /* if we've just struck a global section, note the fact. */
- bInGlobalSection = isglobal;
-
- /* check for multiple global sections */
- if (bInGlobalSection)
- {
- return(True);
- }
-
- /* if we have a current service, tidy it up before moving on */
- bRetval = True;
-
- if (iServiceIndex >= 0)
- bRetval = True;
-
- /* if all is still well, move to the next record in the services array */
- if (bRetval)
- {
- /* We put this here to avoid an odd message order if messages are */
- /* issued by the post-processing of a previous section. */
-
- if ((iServiceIndex=add_a_service(&sDefault,sectionname)) < 0)
- {
- rprintf(FERROR,"Failed to add a new service\n");
- return(False);
- }
- }
-
- return (bRetval);
-}
+ BOOL isglobal;
+
+ if (*sectionname == ']') { /* A special push/pop/reset directive from params.c */
+ bInGlobalSection = 1;
+ if (strcmp(sectionname+1, "push") == 0) {
+ all_vars *vp = EXPAND_ITEM_LIST(&Vars_stack, all_vars, 2);
+ memcpy(vp, &Vars, sizeof Vars);
+ } else if (strcmp(sectionname+1, "pop") == 0
+ || strcmp(sectionname+1, "reset") == 0) {
+ all_vars *vp = ((all_vars*)Vars_stack.items) + Vars_stack.count - 1;
+ if (!Vars_stack.count)
+ return False;
+ memcpy(&Vars, vp, sizeof Vars);
+ if (sectionname[1] == 'p')
+ Vars_stack.count--;
+ } else
+ return False;
+ return True;
+ }
+ isglobal = strwiEQ(sectionname, GLOBAL_NAME);
-/***************************************************************************
-Load the services array from the services file. Return True on success,
-False on failure.
-***************************************************************************/
-BOOL lp_load(char *pszFname, int globals_only)
-{
- extern int am_server;
- extern int am_daemon;
- extern int am_root;
- pstring n2;
- BOOL bRetval;
+ /* At the end of the global section, add any --dparam items. */
+ if (bInGlobalSection && !isglobal) {
+ if (!section_list.count)
+ set_dparams(0);
+ }
- bRetval = False;
+ /* if we've just struck a global section, note the fact. */
+ bInGlobalSection = isglobal;
- bInGlobalSection = True;
+ /* check for multiple global sections */
+ if (bInGlobalSection)
+ return True;
+
+#if 0
+ /* If we have a current section, tidy it up before moving on. */
+ if (iSectionIndex >= 0) {
+ /* Add any tidy work as needed ... */
+ if (problem)
+ return False;
+ }
+#endif
- init_globals();
+ if (strchr(sectionname, '/') != NULL) {
+ rprintf(FLOG, "Warning: invalid section name in configuration file: %s\n", sectionname);
+ return False;
+ }
+
+ if ((iSectionIndex = add_a_section(sectionname)) < 0) {
+ rprintf(FLOG, "Failed to add a new module\n");
+ bInGlobalSection = True;
+ return False;
+ }
- if (pszFname)
- pstrcpy(n2,pszFname);
- else if (am_server && am_daemon && !am_root)
- pstrcpy(n2,RSYNCD_USERCONF);
- else
- pstrcpy(n2,RSYNCD_SYSCONF);
+ return True;
+}
+
+/* Load the modules from the config file. Return True on success,
+ * False on failure. */
+int lp_load(char *pszFname, int globals_only)
+{
+ bInGlobalSection = True;
- /* We get sections first, so have to start 'behind' to make up */
- iServiceIndex = -1;
- bRetval = pm_process(n2, globals_only?NULL:do_section, do_parameter);
+ reset_daemon_vars();
- return (bRetval);
+ /* We get sections first, so have to start 'behind' to make up. */
+ iSectionIndex = -1;
+ return pm_process(pszFname, globals_only ? NULL : do_section, do_parameter);
}
+BOOL set_dparams(int syntax_check_only)
+{
+ char *equal, *val, **params = dparam_list.items;
+ unsigned j;
+
+ for (j = 0; j < dparam_list.count; j++) {
+ equal = strchr(params[j], '='); /* options.c verified this */
+ *equal = '\0';
+ if (syntax_check_only) {
+ if (map_parameter(params[j]) < 0) {
+ rprintf(FERROR, "Unknown parameter \"%s\"\n", params[j]);
+ *equal = '=';
+ return False;
+ }
+ } else {
+ for (val = equal+1; isSpace(val); val++) {}
+ do_parameter(params[j], val);
+ }
+ *equal = '=';
+ }
+
+ return True;
+}
-/***************************************************************************
-return the max number of services
-***************************************************************************/
-int lp_numservices(void)
+/* Return the max number of modules (sections). */
+int lp_num_modules(void)
{
- return(iNumServices);
+ return section_list.count;
}
-/***************************************************************************
-Return the number of the service with the given name, or -1 if it doesn't
-exist. Note that this is a DIFFERENT ANIMAL from the internal function
-getservicebyname()! This works ONLY if all services have been loaded, and
-does not copy the found service.
-***************************************************************************/
+/* Return the number of the module with the given name, or -1 if it doesn't
+ * exist. Note that this is a DIFFERENT ANIMAL from the internal function
+ * getsectionbyname()! This works ONLY if all sections have been loaded,
+ * and does not copy the found section. */
int lp_number(char *name)
{
- int iService;
+ int i;
- for (iService = iNumServices - 1; iService >= 0; iService--)
- if (strcmp(lp_name(iService), name) == 0)
- break;
+ for (i = section_list.count - 1; i >= 0; i--) {
+ if (strcmp(lp_name(i), name) == 0)
+ break;
+ }
- return (iService);
+ return i;
}
-