diff options
Diffstat (limited to 'package/dhcp/dhcp_xecute.patch')
-rw-r--r-- | package/dhcp/dhcp_xecute.patch | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/package/dhcp/dhcp_xecute.patch b/package/dhcp/dhcp_xecute.patch deleted file mode 100644 index 0daff103f..000000000 --- a/package/dhcp/dhcp_xecute.patch +++ /dev/null @@ -1,452 +0,0 @@ -diff -urN dhcp-3.0.2.orig/common/conflex.c dhcp-3.0.2/common/conflex.c ---- dhcp-3.0.2.orig/common/conflex.c 2004-11-24 10:39:15.000000000 -0700 -+++ dhcp-3.0.2/common/conflex.c 2005-02-24 12:32:12.000000000 -0700 -@@ -676,6 +676,8 @@ - return EVAL; - if (!strcasecmp (atom + 1, "ncapsulate")) - return ENCAPSULATE; -+ if (!strcasecmp (atom + 1, "xecute")) -+ return EXECUTE; - break; - case 'f': - if (!strcasecmp (atom + 1, "atal")) -diff -urN dhcp-3.0.2.orig/common/dhcp-eval.5 dhcp-3.0.2/common/dhcp-eval.5 ---- dhcp-3.0.2.orig/common/dhcp-eval.5 2005-01-19 13:00:52.000000000 -0700 -+++ dhcp-3.0.2/common/dhcp-eval.5 2005-02-24 12:32:12.000000000 -0700 -@@ -409,7 +409,32 @@ - Rebind - DHCP client is in the REBINDING state - it has an IP address, - and is trying to contact any server to renew it. The next message to - be sent will be a DHCPREQUEST, which will be broadcast. --.RE -+.PP -+.B execute (\fIcommand-path\fB, \fIdata-expr1\fB ... \fIdata-exprN\fB)\fR -+.PP -+External command execution is possibly through execute expressions. Execute -+takes a variable number of arguments, where the first is the command -+name (full path or only the name of the executable) and following zero -+or more are data-expressions which values will be passed as external -+arguments. It returns the return code of the external command. -+.PP -+Execute is synchronous, and the program will block until the external -+command being run has finished. Please note that lengthy program -+execution (for example, in an "on commit" in the dhcpd) may result in -+bad performance and timed out clients. Try keeping the execution times -+short. -+.PP -+Passing user-supplied data might be dangerous. Check input buffers -+and make sure the external command handles all kinds of "unusual" -+characters (shell special characters in sh-scripts etc) correctly. -+.PP -+It is possible to use the execute expression in any context, not only -+on events. If you put it in a regular scope in the configuration file -+you will execute that command every time a scope is evaluated. -+.PP -+The execute expression is only available if you have defined ENABLE_EXECUTE -+in site.h before compilation. -+RE - .SH REFERENCE: LOGGING - Logging statements may be used to send information to the standard logging - channels. A logging statement includes an optional priority (\fBfatal\fR, -diff -urN dhcp-3.0.2.orig/common/parse.c dhcp-3.0.2/common/parse.c ---- dhcp-3.0.2.orig/common/parse.c 2004-09-30 14:38:31.000000000 -0600 -+++ dhcp-3.0.2/common/parse.c 2005-02-24 12:32:12.000000000 -0700 -@@ -3639,7 +3639,56 @@ - return 0; - } - break; -- -+ #ifdef ENABLE_EXECUTE -+ case EXECUTE: -+ token = next_token (&val, (unsigned *)0, cfile); -+ -+ if (!expression_allocate (expr, MDL)) -+ log_fatal ("can't allocate expression."); -+ -+ token = next_token (&val, (unsigned *)0, cfile); -+ if (token != LPAREN) { -+ parse_warn (cfile, "left parenthesis expected."); -+ skip_to_semi (cfile); -+ *lose = 1; -+ return 0; -+ } -+ token = next_token (&val, (unsigned *)0, cfile); -+ (*expr) -> data.funcall.name = -+ dmalloc (strlen (val) + 1, MDL); -+ if (!(*expr)->data.funcall.name) -+ log_fatal ("can't allocate command name"); -+ strcpy ((*expr) -> data.funcall.name, val); -+ token = next_token (&val, (unsigned *)0, cfile); -+ ep = &((*expr) -> data.funcall.arglist); -+ while (token == COMMA) { -+ if (!expression_allocate (ep, MDL)) -+ log_fatal ("can't allocate expression"); -+ if (!parse_data_expression (&(*ep) -> data.arg.val, -+ cfile, lose)) { -+ skip_to_semi (cfile); -+ *lose = 1; -+ return 0; -+ } -+ ep = &((*ep) -> data.arg.next); -+ token = next_token (&val, (unsigned *)0, cfile); -+ } -+ (*expr) -> op = expr_execute; -+ if (token != RPAREN) { -+ parse_warn (cfile, "right parenthesis expected."); -+ skip_to_semi (cfile); -+ *lose = 1; -+ return 0; -+ } -+ break; -+ #else -+ case EXECUTE: -+ parse_warn (cfile, "define ENABLE_EXECUTE in site.h to enable execute expressions."); -+ skip_to_semi (cfile); -+ *lose = 1; -+ return 0; -+ break; -+ #endif - case ENCODE_INT: - token = next_token (&val, (unsigned *)0, cfile); - token = next_token (&val, (unsigned *)0, cfile); -diff -urN dhcp-3.0.2.orig/common/print.c dhcp-3.0.2/common/print.c ---- dhcp-3.0.2.orig/common/print.c 2004-06-17 14:54:39.000000000 -0600 -+++ dhcp-3.0.2/common/print.c 2005-02-24 12:32:12.000000000 -0700 -@@ -459,6 +459,7 @@ - { - unsigned rv, left; - const char *s; -+ struct expression* next_arg; - - switch (expr -> op) { - case expr_none: -@@ -483,7 +484,8 @@ - return rv; - } - break; -- -+ -+ - case expr_equal: - if (len > 6) { - rv = 4; -@@ -1024,6 +1026,29 @@ - buf [rv++] = 0; - return rv; - } -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ rv = 11 + strlen (expr -> data.funcall.name); -+ if (len > rv + 2) { -+ sprintf (buf, -+ "(execute \"%s\"", -+ expr -> data.funcall.name); -+ for(next_arg = expr -> data.funcall.arglist; -+ next_arg; -+ next_arg = next_arg -> data.arg.next) { -+ if (len > rv + 3) -+ buf [rv++] = ' '; -+ rv += print_subexpression (next_arg -> -+ data.arg.val, -+ buf + rv, -+ len - rv - 2); -+ } -+ buf [rv++] = ')'; -+ buf [rv] = 0; -+ return rv; -+ } -+ break; -+ #endif - } - return 0; - } -diff -urN dhcp-3.0.2.orig/common/tree.c dhcp-3.0.2/common/tree.c ---- dhcp-3.0.2.orig/common/tree.c 2004-11-24 10:39:16.000000000 -0700 -+++ dhcp-3.0.2/common/tree.c 2005-02-24 12:32:12.000000000 -0700 -@@ -50,6 +50,113 @@ - int resolver_inited = 0; - #endif - -+#ifdef ENABLE_EXECUTE -+static unsigned long execute (char** args) -+{ -+pid_t p = fork(); -+if (p > 0) { -+int status; -+waitpid (p, &status, 0); -+return WEXITSTATUS(status); -+} -+else if(p == 0) { -+execvp (args[0], args); -+log_error ("Unable to execute %s: %s", args[0], -+strerror(errno)); -+_exit(127); -+} else { -+log_fatal ("unable to fork"); -+} -+return 1; /* never reached */ -+} -+ -+#define CAPACITY_INCREMENT 8 -+static void append_to_ary (char*** ary_ptr, int* ary_size, int* ary_capacity, -+char* new_element) -+{ -+(*ary_size)++; -+if (*ary_size > *ary_capacity) { -+char** new_ary; -+int new_ary_capacity = *ary_capacity + CAPACITY_INCREMENT; -+new_ary = dmalloc(new_ary_capacity*sizeof(char *), MDL); -+if (!new_ary) -+log_fatal ("no memory for array."); -+if (*ary_ptr != NULL) { -+memcpy (new_ary, *ary_ptr, -+(*ary_capacity)*sizeof(char *)); -+dfree (*ary_ptr, MDL); -+} -+*ary_ptr = new_ary; -+*ary_capacity = new_ary_capacity; -+} -+(*ary_ptr)[*ary_size-1] = new_element; -+} -+ -+static char* data_string_to_char_string (struct data_string* d) -+{ -+char* str = dmalloc (d->len+1, MDL); -+if (!str) -+log_fatal ("no memory for string."); -+/* FIXME: should one use d -> buffer -> data or d -> data? are -+they equivalent? */ -+strncpy (str, d -> data, d -> len); -+str[d->len] = '\0'; -+return str; -+} -+ -+static int evaluate_execute (unsigned long* result, struct packet *packet, -+struct lease *lease, -+struct client_state *client_state, -+struct option_state *in_options, -+struct option_state *cfg_options, -+struct binding_scope **scope, -+struct expression* expr) -+{ -+int status; -+int cmd_status; -+int i; -+struct data_string ds; -+struct expression* next_arg; -+char** arg_ary = NULL; -+int arg_ary_size = 0; -+int arg_ary_capacity = 0; -+append_to_ary (&arg_ary, &arg_ary_size, &arg_ary_capacity, -+ expr -> data.funcall.name); -+for(next_arg = expr -> data.funcall.arglist; -+next_arg; -+next_arg = next_arg -> data.arg.next) { -+memset (&ds, 0, sizeof ds); -+status = (evaluate_data_expression -+(&ds, packet, -+lease, client_state, in_options, -+cfg_options, scope, -+next_arg -> data.arg.val, -+MDL)); -+if (!status) { -+if (arg_ary) { -+for (i=1; i<arg_ary_size; i++) -+dfree (arg_ary[i], MDL); -+dfree(arg_ary, MDL); -+} -+return 0; -+} -+append_to_ary (&arg_ary, &arg_ary_size, &arg_ary_capacity, -+ data_string_to_char_string(&ds)); -+data_string_forget (&ds, MDL); -+} -+#if defined (DEBUG_EXPRESSIONS) -+log_debug ("exec: execute"); -+#endif -+append_to_ary (&arg_ary, &arg_ary_size, &arg_ary_capacity, NULL); -+*result = execute (arg_ary); -+for (i=1; i<arg_ary_size-1; i++) -+dfree (arg_ary[i], MDL); -+dfree(arg_ary, MDL); -+return 1; -+} -+#endif -+ -+ - pair cons (car, cdr) - caddr_t car; - pair cdr; -@@ -861,6 +968,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_const_int: - case expr_lease_time: - case expr_dns_transaction: -@@ -1224,6 +1334,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_const_int: - case expr_lease_time: - case expr_dns_transaction: -@@ -2087,6 +2200,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_const_int: - case expr_lease_time: - case expr_dns_transaction: -@@ -2595,7 +2711,12 @@ - #endif - return 0; - } -- -+#ifdef ENABLE_EXECUTE -+ case expr_execute: -+ return evaluate_execute (result, packet, lease, -+ client_state, in_options, -+ cfg_options, scope, expr); -+#endif - case expr_ns_add: - case expr_ns_delete: - case expr_ns_exists: -@@ -3008,6 +3129,9 @@ - return (expr -> op == expr_extract_int8 || - expr -> op == expr_extract_int16 || - expr -> op == expr_extract_int32 || -+ #ifdef ENABLE_EXECUTE -+ expr -> op == expr_execute || -+ #endif - expr -> op == expr_const_int || - expr -> op == expr_lease_time || - expr -> op == expr_dns_transaction || -@@ -3043,6 +3167,9 @@ - expr -> op == expr_extract_int8 || - expr -> op == expr_extract_int16 || - expr -> op == expr_extract_int32 || -+ #ifdef ENABLE_EXECUTE -+ expr -> op == expr_execute || -+ #endif - expr -> op == expr_dns_transaction); - } - -@@ -3069,6 +3196,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_encode_int8: - case expr_encode_int16: - case expr_encode_int32: -@@ -3165,6 +3295,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_encode_int8: - case expr_encode_int16: - case expr_encode_int32: -@@ -3225,6 +3358,8 @@ - int firstp; - { - struct expression *e; -+ struct expression* next_arg; -+ - const char *s; - char obuf [65]; - int scol; -@@ -3696,7 +3831,27 @@ - expr -> data.variable); - col = token_print_indent (file, col, indent, "", "", ")"); - break; -- -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ col = token_print_indent (file, col, indent, "", "","execute"); -+ col = token_print_indent (file, col, indent, " ", "","("); -+ scol = col; -+ /* FIXME: use token_print_indent_concat() here? */ -+ col = token_print_indent (file, col, scol, "", "","\""); -+ col = token_print_indent (file, col, scol, "", "",expr -> data.funcall.name); -+ col = token_print_indent (file, col, scol, "", "","\""); -+ for(next_arg = expr -> data.funcall.arglist; -+ next_arg; -+ next_arg = next_arg -> data.arg.next) { -+ col = token_print_indent (file, col, scol, "", " ",","); -+ col = write_expression (file, -+ next_arg -> data.arg.val, -+ col, scol, 0); -+ } -+ col = token_print_indent (file, col, indent, "", "",")"); -+ -+ break; -+#endif - default: - log_fatal ("invalid expression type in print_expression: %d", - expr -> op); -@@ -3915,6 +4070,9 @@ - case expr_extract_int8: - case expr_extract_int16: - case expr_extract_int32: -+ #ifdef ENABLE_EXECUTE -+ case expr_execute: -+ #endif - case expr_encode_int8: - case expr_encode_int16: - case expr_encode_int32: -diff -urN dhcp-3.0.2.orig/includes/dhctoken.h dhcp-3.0.2/includes/dhctoken.h ---- dhcp-3.0.2.orig/includes/dhctoken.h 2004-09-21 13:25:38.000000000 -0600 -+++ dhcp-3.0.2/includes/dhctoken.h 2005-02-24 12:33:21.000000000 -0700 -@@ -308,7 +308,8 @@ - DOMAIN_NAME = 613, - DO_FORWARD_UPDATE = 614, - KNOWN_CLIENTS = 615, -- ATSFP = 616 -+ ATSFP = 616, -+ EXECUTE = 616 - }; - - #define is_identifier(x) ((x) >= FIRST_TOKEN && \ -diff -urN dhcp-3.0.2.orig/includes/site.h dhcp-3.0.2/includes/site.h ---- dhcp-3.0.2.orig/includes/site.h 2002-03-12 11:33:39.000000000 -0700 -+++ dhcp-3.0.2/includes/site.h 2005-02-24 12:32:12.000000000 -0700 -@@ -167,6 +167,12 @@ - - /* #define DHCPD_LOG_FACILITY LOG_DAEMON */ - -+/* Define this if you want to be able to execute external commands -+ during conditional evaluation. */ -+ -+/* #define ENABLE_EXECUTE */ -+ -+ - /* Define this if you aren't debugging and you want to save memory - (potentially a _lot_ of memory) by allocating leases in chunks rather - than one at a time. */ -diff -urN dhcp-3.0.2.orig/includes/tree.h dhcp-3.0.2/includes/tree.h ---- dhcp-3.0.2.orig/includes/tree.h 2004-06-10 11:59:31.000000000 -0600 -+++ dhcp-3.0.2/includes/tree.h 2005-02-24 12:32:12.000000000 -0700 -@@ -150,6 +150,9 @@ - expr_hardware, - expr_packet, - expr_const_data, -+ #ifdef ENABLE_EXECUTE -+ expr_execute, -+ #endif - expr_extract_int8, - expr_extract_int16, - expr_extract_int32, |