X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconf.c;h=e7703c16bbe71bd2862fec3239013f4d2aee85b5;hp=369a5fbcccbd7583bd8e17f356be17a8587c293b;hb=5dde6461a321ee47b06e33f8203f2acf00a31a51;hpb=a67a21ef3c17d32af95373e921138429a7fc507e diff --git a/src/conf.c b/src/conf.c index 369a5fbc..e7703c16 100644 --- a/src/conf.c +++ b/src/conf.c @@ -1,9 +1,9 @@ /* conf.c -- configuration code Copyright (C) 1998 Robert van der Meulen - 1998-2003 Ivo Timmermans - 2000-2003 Guus Sliepen - 2000 Cris van Pelt + 1998-2005 Ivo Timmermans + 2000-2009 Guus Sliepen + 2000 Cris van Pelt 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 @@ -15,11 +15,9 @@ 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. - - $Id: conf.c,v 1.9.4.77 2003/12/12 19:52:24 guus Exp $ + 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., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "system.h" @@ -33,12 +31,12 @@ avl_tree_t *config_tree; -int pingtimeout = 0; /* seconds before timeout */ +int pinginterval = 0; /* seconds between pings */ +int pingtimeout = 0; /* seconds to wait for response */ char *confbase = NULL; /* directory in which all config files are */ char *netname = NULL; /* name of the vpn network */ -static int config_compare(const config_t *a, const config_t *b) -{ +static int config_compare(const config_t *a, const config_t *b) { int result; result = strcasecmp(a->variable, b->variable); @@ -54,30 +52,26 @@ static int config_compare(const config_t *a, const config_t *b) return strcmp(a->file, b->file); } -void init_configuration(avl_tree_t ** config_tree) -{ +void init_configuration(avl_tree_t ** config_tree) { cp(); *config_tree = avl_alloc_tree((avl_compare_t) config_compare, (avl_action_t) free_config); } -void exit_configuration(avl_tree_t ** config_tree) -{ +void exit_configuration(avl_tree_t ** config_tree) { cp(); avl_delete_tree(*config_tree); *config_tree = NULL; } -config_t *new_config(void) -{ +config_t *new_config(void) { cp(); return xmalloc_and_zero(sizeof(config_t)); } -void free_config(config_t *cfg) -{ +void free_config(config_t *cfg) { cp(); if(cfg->variable) @@ -92,15 +86,13 @@ void free_config(config_t *cfg) free(cfg); } -void config_add(avl_tree_t *config_tree, config_t *cfg) -{ +void config_add(avl_tree_t *config_tree, config_t *cfg) { cp(); avl_insert(config_tree, cfg); } -config_t *lookup_config(const avl_tree_t *config_tree, char *variable) -{ +config_t *lookup_config(avl_tree_t *config_tree, char *variable) { config_t cfg, *found; cp(); @@ -120,8 +112,7 @@ config_t *lookup_config(const avl_tree_t *config_tree, char *variable) return found; } -config_t *lookup_config_next(const avl_tree_t *config_tree, const config_t *cfg) -{ +config_t *lookup_config_next(avl_tree_t *config_tree, const config_t *cfg) { avl_node_t *node; config_t *found; @@ -141,8 +132,7 @@ config_t *lookup_config_next(const avl_tree_t *config_tree, const config_t *cfg) return NULL; } -bool get_config_bool(const config_t *cfg, bool *result) -{ +bool get_config_bool(const config_t *cfg, bool *result) { cp(); if(!cfg) @@ -162,8 +152,7 @@ bool get_config_bool(const config_t *cfg, bool *result) return false; } -bool get_config_int(const config_t *cfg, int *result) -{ +bool get_config_int(const config_t *cfg, int *result) { cp(); if(!cfg) @@ -178,8 +167,7 @@ bool get_config_int(const config_t *cfg, int *result) return false; } -bool get_config_string(const config_t *cfg, char **result) -{ +bool get_config_string(const config_t *cfg, char **result) { cp(); if(!cfg) @@ -190,8 +178,7 @@ bool get_config_string(const config_t *cfg, char **result) return true; } -bool get_config_address(const config_t *cfg, struct addrinfo **result) -{ +bool get_config_address(const config_t *cfg, struct addrinfo **result) { struct addrinfo *ai; cp(); @@ -212,8 +199,7 @@ bool get_config_address(const config_t *cfg, struct addrinfo **result) return false; } -bool get_config_subnet(const config_t *cfg, subnet_t ** result) -{ +bool get_config_subnet(const config_t *cfg, subnet_t ** result) { subnet_t subnet = {0}; cp(); @@ -253,8 +239,7 @@ bool get_config_subnet(const config_t *cfg, subnet_t ** result) given, and buf needs to be expanded, the var pointed to by buflen will be increased. */ -static char *readline(FILE * fp, char **buf, size_t *buflen) -{ +static char *readline(FILE * fp, char **buf, size_t *buflen) { char *newline = NULL; char *p; char *line; /* The array that contains everything that has been read so far */ @@ -300,6 +285,8 @@ static char *readline(FILE * fp, char **buf, size_t *buflen) size = newsize; } else { *newline = '\0'; /* kill newline */ + if(newline > p && newline[-1] == '\r') /* and carriage return if necessary */ + newline[-1] = '\0'; break; /* yay */ } } @@ -316,8 +303,7 @@ static char *readline(FILE * fp, char **buf, size_t *buflen) Parse a configuration file and put the results in the configuration tree starting at *base. */ -int read_config_file(avl_tree_t *config_tree, const char *fname) -{ +int read_config_file(avl_tree_t *config_tree, const char *fname) { int err = -2; /* Parse error */ FILE *fp; char *buffer, *line; @@ -342,6 +328,11 @@ int read_config_file(avl_tree_t *config_tree, const char *fname) buffer = xmalloc(bufsize); for(;;) { + if(feof(fp)) { + err = 0; + break; + } + line = readline(fp, &buffer, &bufsize); if(!line) { @@ -349,11 +340,6 @@ int read_config_file(avl_tree_t *config_tree, const char *fname) break; } - if(feof(fp)) { - err = 0; - break; - } - lineno++; if(!*line || *line == '#') @@ -407,14 +393,13 @@ int read_config_file(avl_tree_t *config_tree, const char *fname) return err; } -bool read_server_config() -{ +bool read_server_config() { char *fname; int x; cp(); - asprintf(&fname, "%s/tinc.conf", confbase); + xasprintf(&fname, "%s/tinc.conf", confbase); x = read_config_file(config_tree, fname); if(x == -1) { /* System error: complain */ @@ -426,8 +411,7 @@ bool read_server_config() return x == 0; } -FILE *ask_and_open(const char *filename, const char *what, const char *mode) -{ +FILE *ask_and_open(const char *filename, const char *what) { FILE *r; char *directory; char *fn; @@ -466,7 +450,7 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode) char *p; directory = get_current_dir_name(); - asprintf(&p, "%s/%s", directory, fn); + xasprintf(&p, "%s/%s", directory, fn); free(fn); free(directory); fn = p; @@ -476,7 +460,7 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode) /* Open it first to keep the inode busy */ - r = fopen(fn, mode); + r = fopen(fn, "r+") ?: fopen(fn, "w+"); if(!r) { fprintf(stderr, _("Error opening file `%s': %s\n"), @@ -489,3 +473,34 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode) return r; } + +bool disable_old_keys(FILE *f) { + char buf[100]; + long pos; + bool disabled = false; + + rewind(f); + pos = ftell(f); + + while(fgets(buf, sizeof buf, f)) { + if(!strncmp(buf, "-----BEGIN RSA", 14)) { + buf[11] = 'O'; + buf[12] = 'L'; + buf[13] = 'D'; + fseek(f, pos, SEEK_SET); + fputs(buf, f); + disabled = true; + } + else if(!strncmp(buf, "-----END RSA", 12)) { + buf[ 9] = 'O'; + buf[10] = 'L'; + buf[11] = 'D'; + fseek(f, pos, SEEK_SET); + fputs(buf, f); + disabled = true; + } + pos = ftell(f); + } + + return disabled; +}