diff options
| -rw-r--r-- | package/busybox/patches/920-awx.patch | 533 |
1 files changed, 466 insertions, 67 deletions
diff --git a/package/busybox/patches/920-awx.patch b/package/busybox/patches/920-awx.patch index 355c055..4373893 100644 --- a/package/busybox/patches/920-awx.patch +++ b/package/busybox/patches/920-awx.patch @@ -1,6 +1,6 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c ---- bb.old/editors/awk.c 2007-03-06 19:38:07.278092000 +0100 -+++ bb.dev/editors/awk.c 2007-03-11 05:14:11.776304544 +0100 +--- bb.old/editors/awk.c 2007-05-20 04:17:05.002197784 +0200 ++++ bb.dev/editors/awk.c 2007-05-20 07:03:57.436076472 +0200 @@ -30,6 +30,11 @@ /* these flags are static, don't change them when value is changed */ #define VF_DONTTOUCH (VF_ARRAY | VF_SPECIAL | VF_WALK | VF_CHILD | VF_DIRTY) @@ -97,8 +97,8 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c switch (c) { diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c --- bb.old/editors/awx.c 1970-01-01 01:00:00.000000000 +0100 -+++ bb.dev/editors/awx.c 2007-03-14 02:03:50.566202928 +0100 -@@ -0,0 +1,590 @@ ++++ bb.dev/editors/awx.c 2007-05-20 08:07:26.759971216 +0200 +@@ -0,0 +1,625 @@ +/* + * awk web extension + * @@ -109,14 +109,13 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + +#include <cgi.h> +#include <glob.h> ++#include "awx_parser.h" + +#define LINE_BUF 2048 +#define HASH_MAX 1536 +#define TR_START "@TR<<" +#define TR_END ">>" +#define MAX_TR 32 -+#define SSI_START "<%" -+#define SSI_END "%>" + +#undef fputs + @@ -152,9 +151,17 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c +{ + char *tok[MAX_TR * 3]; + char *l, *p, *p2, *res; -+ int len = 0, _pos = 0, i; ++ int len = 0, _pos = 0, i, tr_abort = 0; ++ static char *backlog = NULL; ++ ++ if (backlog) { ++ backlog = xrealloc(backlog, strlen(backlog) + strlen(line) + 1); ++ sprintf(backlog + strlen(backlog), line); ++ l = backlog; ++ } else { ++ l = line; ++ } + -+ l = line; + while (l != NULL) { + if ((p = strstr(l, TR_START)) == NULL) { + len += strlen((tok[_pos++] = l)); @@ -162,8 +169,14 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + } + + p2 = strstr(p, TR_END); -+ if (p2 == NULL) ++ if (p2 == NULL) { ++ p2 = backlog; ++ backlog = xstrdup(l); ++ if (p2) ++ free(p2); ++ tr_abort = 1; + break; ++ } + + *p = 0; + *p2 = 0; @@ -182,7 +195,11 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + strcat(p, tok[i]); + p += strlen(tok[i]); + } -+ ++ if (!tr_abort && backlog) { ++ free(backlog); ++ backlog = NULL; ++ } ++ + return res; +} + @@ -398,22 +415,25 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + return res; +} + -+ -+/* parse and evaluate an awk expression and return the result as string */ -+static char *render_lookup(char *fname, int lnr, char *str) ++/* parse an awk expression */ ++static var *parse_awk(char *str) +{ + chain body; -+ var tv; ++ node *n; ++ var *tv = xzalloc(sizeof(*tv)); + + memset(&body, 0, sizeof(body)); -+ zero_out_var(&tv); + pos = str; + seq = &body; + + /* end of expression, assume that there's going to be a free byte + * at the end of the string that can be used for the ')' */ -+ strcat(str + strlen(str), ")"); -+ return getvar_s(evaluate(parse_expr(TC_SEQTERM), &tv)); ++ strcat(str + strlen(str), "}"); ++ n = parse_expr(TC_GRPTERM); ++ if (!n) ++ return NULL; ++ ++ return evaluate(n, tv); +} + +static inline void print_translate(char *s) @@ -427,63 +447,78 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + free(str); +} + -+/* process awk calls in a template line and print the output to stdout */ -+static void render_line(char *fname, int lnr, char *line) ++static void render_element(struct template_cb *tcb, struct template_element *e) +{ -+ char *tok[MAX_TR * 3]; -+ char *l, *p, *p2, *res; -+ int len = 0, _pos = 0, i; -+ -+ l = line; -+ while (l != NULL) { -+ if ((p = strstr(l, SSI_START)) == NULL) { -+ len += strlen((tok[_pos++] = l)); ++ var *v; ++ char *s; ++ if (!e || !e->var) ++ return; ++ lineno = e->line; ++ switch (e->t) { ++ case T_TEXT: ++ s = strdup(e->var); ++ print_translate(s); ++ free(s); + break; -+ } -+ -+ p2 = strstr(p, SSI_END); -+ if (p2 == NULL) { -+ fprintf(stderr, "Parse error in '%s', line '%d', unmatched %s\n", fname, lnr, SSI_END); ++ case T_CODE: ++ s = strdup(e->var); ++ v = parse_awk(s); ++ free(s); ++ s = strdup(getvar_s(v)); ++ print_translate(s); ++ free(s); ++ break; ++ case T_IF: ++ s = strdup(e->var); ++ v = parse_awk(s); ++ free(s); ++ if (!v) ++ return; ++ if (istrue(v)) ++ execute_template(tcb, e->sub); ++ else if (e->sub2) ++ execute_template(tcb, e->sub2); ++ ++ clrvar(v); ++ break; ++ case T_FOR: { ++ v = newvar(e->var); ++ hashwalk_init(v, iamarray(findvar(vhash, e->in))); ++ while (hashwalk_next(v)) { ++ execute_template(tcb, e->sub); ++ } ++ } ++ break; ++ default: + break; -+ } -+ -+ *p = 0; -+ *p2 = 0; -+ -+ len += strlen((tok[_pos++] = l)); -+ len += strlen((tok[_pos++] = render_lookup(fname, lnr, p + strlen(SSI_START)))); -+ -+ l = p2; -+ l += strlen(SSI_END); -+ } -+ len++; -+ -+ p = xmalloc(len + 1); -+ *p = 0; -+ res = p; -+ for (i = 0; i < _pos; i++) { -+ strcat(p, tok[i]); -+ p += strlen(tok[i]); + } -+ print_translate(res); -+ free(res); +} + +/* awk method render(), which opens a template file and processes all awk ssi calls */ +static void render_file(char *filename) +{ -+ int lnr = 0; ++ struct template_cb tcb; ++ struct template_element *e; + FILE *f; -+ char *buf1; ++ char *oldprg; ++ int oldlnr; ++ ++ oldlnr = lineno; ++ oldprg = programname; ++ programname = filename; + + f = fopen(filename, "r"); + if (!f) + return; + -+ buf1 = xmalloc(LINE_BUF); -+ while (!feof(f) && (fgets(buf1, LINE_BUF - 1, f) != NULL)) { -+ render_line(filename, ++lnr, buf1); -+ } ++ memset(&tcb, 0, sizeof(tcb)); ++ tcb.handle_element = render_element; ++ e = parse_template(&tcb, f); ++ execute_template(&tcb, e); ++ free_template(&tcb, e); ++ fclose(f); ++ programname = oldprg; ++ lineno = oldlnr; +} + +static var *render(var *res, var *args, int nargs) @@ -689,9 +724,357 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + return awk_main(argc, argv); +} + +diff -purN bb.old/editors/awx_parser.h bb.dev/editors/awx_parser.h +--- bb.old/editors/awx_parser.h 1970-01-01 01:00:00.000000000 +0100 ++++ bb.dev/editors/awx_parser.h 2007-05-20 08:30:30.010685144 +0200 +@@ -0,0 +1,38 @@ ++#ifndef __TEMPLATE_PARSER_H ++#define __TEMPLATE_PARSER_H ++ ++enum type { ++ T_TEXT, ++ T_FOR, ++ T_IF, ++ T_CODE ++}; ++ ++struct template_element; ++struct template_cb; ++ ++struct template_cb { ++ void *(*prepare_code)(struct template_element *); ++ void (*handle_element)(struct template_cb *, struct template_element *); ++ void (*free_code)(struct template_element *); ++}; ++ ++struct template_element { ++ enum type t; ++ char *var; ++ char *in; ++ int line; ++ void *priv; ++ struct template_element *parent; ++ struct template_element *sub; ++ struct template_element *sub2; ++ struct template_element *prev; ++ struct template_element *next; ++}; ++ ++ ++struct template_element *parse_template(struct template_cb *cb, FILE *in); ++void execute_template(struct template_cb *cb, struct template_element *e); ++void free_template(struct template_cb *cb, struct template_element *e); ++ ++#endif +diff -purN bb.old/editors/awx_parser.l bb.dev/editors/awx_parser.l +--- bb.old/editors/awx_parser.l 1970-01-01 01:00:00.000000000 +0100 ++++ bb.dev/editors/awx_parser.l 2007-05-20 08:30:55.698779960 +0200 +@@ -0,0 +1,302 @@ ++%{ ++#include <stdio.h> ++#include <string.h> ++#include <stdlib.h> ++#include "busybox.h" ++#include "awx_parser.h" ++ ++enum { ++ S_INIT, ++ S_TEXT, ++ S_CODE, ++ S_IF_START, ++ S_FOR_START, ++ S_FOR_IN, ++ S_END, ++ S_ELSE, ++ S_EOF ++}; ++int state; ++ ++#undef DEBUG ++#ifdef DEBUG ++char *statestr[] = { ++ [S_INIT] = "S_INIT", ++ [S_TEXT] = "S_TEXT", ++ [S_CODE] = "S_CODE", ++ [S_IF_START] = "S_IF_START", ++ [S_FOR_START] = "S_FOR_START", ++ [S_FOR_IN] = "S_FOR_IN", ++ [S_EOF] = "S_EOF" ++}; ++ ++char *typestr[] = { ++ [T_TEXT] = "T_TEXT", ++ [T_FOR] = "T_FOR", ++ [T_IF] = "T_IF", ++ [T_CODE] = "T_CODE" ++}; ++#endif ++ ++static struct template_cb *parse_cb; ++static struct template_element *cur, *head; ++static char *textbuf; ++static unsigned int buflen; ++static unsigned int buf_offset; ++static int _lnr = 0; ++ ++static void buf_realloc(void) ++{ ++ buflen *= 2; ++ textbuf = xrealloc(textbuf, buflen); ++} ++ ++static void parse_error(char *str) ++{ ++ fprintf(stderr, "Parse error%s%s\n", (str ? ": " : "!"), (str ?: "")); ++ exit(255); ++} ++ ++ ++static struct template_element *new_template_element(struct template_element *parent) ++{ ++ struct template_element *ptr; ++ ++ ptr = xzalloc(sizeof(*ptr)); ++ ptr->parent = parent; ++ return ptr; ++} ++ ++static inline void next_template_element(void) ++{ ++ cur->next = new_template_element(cur->parent); ++ cur->next->prev = cur; ++ cur = cur->next; ++} ++ ++static void addtext(char *text) ++{ ++ while(buf_offset + strlen(text) + 1 > buflen) ++ buf_realloc(); ++ ++ buf_offset += sprintf(&textbuf[buf_offset], "%s", text); ++} ++ ++static void set_state(int newstate) ++{ ++ char *ptr; ++ ++#ifdef DEBUG ++ static int _rec = 0; ++ fprintf(stderr, "DEBUG(%d): %s => %s: %s\n", _rec, statestr[state], statestr[newstate], textbuf); ++#endif ++ ptr = xstrdup(textbuf); ++ if (state == S_FOR_IN) ++ cur->in = ptr; ++ else ++ cur->var = ptr; ++ ++ if (parse_cb && (cur->t == T_CODE) && parse_cb->prepare_code) ++ parse_cb->prepare_code(cur); ++ ++ buf_offset = 0; ++ *textbuf = 0; ++ ++ switch(newstate) { ++#if 0 ++ case S_EOF: ++ if (cur->parent) ++ parse_error(); ++ break; ++#endif ++ case S_FOR_START: ++ if (ptr || !cur->prev) ++ next_template_element(); ++ cur->t = T_FOR; ++ break; ++ case S_IF_START: ++ if (ptr || !cur->prev) ++ next_template_element(); ++ cur->t = T_IF; ++ break; ++ case S_ELSE: ++ cur = cur->parent; ++ if (!cur) ++ parse_error("'@else' without parent element"); ++ cur->sub2 = new_template_element(cur); ++ cur = cur->sub2; ++ newstate = S_TEXT; ++ break; ++ case S_END: ++#ifdef DEBUG ++ _rec--; ++#endif ++ cur = cur->parent; ++ if (!cur) ++ parse_error("'@end' without parent element"); ++ ++ next_template_element(); ++ cur->t = T_TEXT; ++ newstate = S_TEXT; ++ break; ++ case S_TEXT: ++ switch (cur->t) { ++ case T_CODE: ++ next_template_element(); ++ break; ++ case T_IF: ++ case T_FOR: ++#ifdef DEBUG ++ _rec++; ++#endif ++ cur->sub = new_template_element(cur); ++ cur = cur->sub; ++ break; ++ default: ++ break; ++ } ++ cur->t = T_TEXT; ++ break; ++ case S_CODE: ++ if (ptr || !cur->prev) ++ next_template_element(); ++ cur->t = T_CODE; ++ break; ++ default: ++ break; ++ } ++ cur->line = _lnr; ++ state = newstate; ++} ++ ++%} ++ ++%% ++"<%"[ \n\t]*"@if"[ \n\t]+ { ++ if (state == S_TEXT) ++ set_state(S_IF_START); ++ else ++ REJECT; ++} ++ ++"<%"[ \n\t]*"@for"[ \n\t]+ { ++ if (state == S_TEXT) ++ set_state(S_FOR_START); ++ else ++ REJECT; ++} ++ ++[ \n\t]+"in"[ \n\t]+ { ++ if (state == S_FOR_START) ++ set_state(S_FOR_IN); ++ else ++ REJECT; ++} ++ ++"<%"[ \n\t]*"@end"[ \n\t]*%> { ++ if (state != S_TEXT) ++ REJECT; ++ set_state(S_END); ++} ++ ++"<%"[ \n\t]*"@else"[ \n\t]*%> { ++ if (state != S_TEXT) ++ REJECT; ++ set_state(S_ELSE); ++} ++ ++"<%" { ++ if (state != S_TEXT) ++ parse_error("'<%' cannot be nested"); ++ set_state(S_CODE); ++} ++ ++[ \n\t]"%>" { ++ if (state == S_TEXT) ++ REJECT; ++ set_state(S_TEXT); ++} ++ ++\n { ++ _lnr++; ++ if (state == S_TEXT) ++ addtext(yytext); ++} ++. { ++ addtext(yytext); ++} ++ ++ ++%% ++ ++ ++void execute_template(struct template_cb *cb, struct template_element *e) ++{ ++ static int rec = 0; ++ ++ while (e) { ++#ifdef DEBUG ++ fprintf(stderr, "DEBUG: execute(%d)\t%s\n", rec, typestr[e->t]); ++#endif ++ rec++; ++ if (cb->handle_element) ++ cb->handle_element(cb, e); ++ rec--; ++ e = e->next; ++ } ++} ++ ++int yywrap() ++{ ++ set_state(S_EOF); ++ return 1; ++} ++ ++struct template_element *parse_template(struct template_cb *cb, FILE *in) ++{ ++ _lnr = 1; ++ buf_offset = 0; ++ state = S_TEXT; ++ parse_cb = cb; ++ ++ buflen = 4096; ++ textbuf = xzalloc(buflen); ++ ++ head = xzalloc(sizeof(*head)); ++ head->t = T_TEXT; ++ cur = head; ++ ++ yyin = in; ++ yylex(); ++ ++ return head; ++} ++ ++void free_template(struct template_cb *cb, struct template_element *e) ++{ ++ struct template_element *next; ++ ++ if (!e) ++ return; ++ ++ switch (e->t) { ++ case T_CODE: ++ if (cb->free_code) ++ cb->free_code(e); ++ break; ++ case T_FOR: ++ case T_IF: ++ free_template(cb, e->sub); ++ break; ++ default: ++ break; ++ } ++ if (e->var) ++ free(e->var); ++ if (e->in) ++ free(e->in); ++ ++ next = e->next; ++ free(e); ++ return free_template(cb, next); ++} diff -purN bb.old/editors/Config.in bb.dev/editors/Config.in ---- bb.old/editors/Config.in 2007-01-24 22:34:50.000000000 +0100 -+++ bb.dev/editors/Config.in 2007-03-11 06:19:51.469380160 +0100 +--- bb.old/editors/Config.in 2007-05-20 04:17:05.003197632 +0200 ++++ bb.dev/editors/Config.in 2007-05-20 04:16:47.180907032 +0200 @@ -12,6 +12,13 @@ config AWK Awk is used as a pattern scanning and processing language. This is the BusyBox implementation of that programming language. @@ -706,9 +1089,25 @@ diff -purN bb.old/editors/Config.in bb.dev/editors/Config.in config FEATURE_AWK_MATH bool "Enable math functions (requires libm)" default y +diff -purN bb.old/editors/Kbuild bb.dev/editors/Kbuild +--- bb.old/editors/Kbuild 2007-03-18 17:59:37.000000000 +0100 ++++ bb.dev/editors/Kbuild 2007-05-20 05:13:45.363264328 +0200 +@@ -10,3 +10,12 @@ lib-$(CONFIG_ED) += ed.o + lib-$(CONFIG_PATCH) += patch.o + lib-$(CONFIG_SED) += sed.o + lib-$(CONFIG_VI) += vi.o ++lib-$(CONFIG_AWX) += awx_parser.o ++ ++editors/awx_parser.c: editors/awx_parser.l editors/awx_parser.h ++ @flex $< ++ @mv lex.yy.c $@ ++ ++editors/awx_parser.o: editors/awx_parser.c FORCE ++ $(call cmd,force_checksrc) ++ $(call if_changed_rule,cc_o_c) diff -purN bb.old/include/applets.h bb.dev/include/applets.h ---- bb.old/include/applets.h 2007-03-06 19:38:07.355081000 +0100 -+++ bb.dev/include/applets.h 2007-03-07 02:12:24.280681880 +0100 +--- bb.old/include/applets.h 2007-05-20 04:17:05.003197632 +0200 ++++ bb.dev/include/applets.h 2007-05-20 04:16:47.180907032 +0200 @@ -60,6 +60,7 @@ USE_ARP(APPLET(arp, _BB_DIR_SBIN, _BB_SU USE_ARPING(APPLET(arping, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) USE_ASH(APPLET_NOUSAGE(ash, ash, _BB_DIR_BIN, _BB_SUID_NEVER)) @@ -719,7 +1118,7 @@ diff -purN bb.old/include/applets.h bb.dev/include/applets.h //USE_BBSH(APPLET(bbsh, _BB_DIR_BIN, _BB_SUID_NEVER)) diff -purN bb.old/include/cgi.h bb.dev/include/cgi.h --- bb.old/include/cgi.h 1970-01-01 01:00:00.000000000 +0100 -+++ bb.dev/include/cgi.h 2007-03-11 18:58:10.708444448 +0100 ++++ bb.dev/include/cgi.h 2007-05-20 04:16:47.180907032 +0200 @@ -0,0 +1,8 @@ +#ifndef CGI_H +#define CGI_H @@ -731,7 +1130,7 @@ diff -purN bb.old/include/cgi.h bb.dev/include/cgi.h +#endif diff -purN bb.old/libbb/cgi.c bb.dev/libbb/cgi.c --- bb.old/libbb/cgi.c 1970-01-01 01:00:00.000000000 +0100 -+++ bb.dev/libbb/cgi.c 2007-03-11 19:02:04.691873560 +0100 ++++ bb.dev/libbb/cgi.c 2007-05-20 04:16:47.181906880 +0200 @@ -0,0 +1,457 @@ +/* -------------------------------------------------------------------------- + * functions for processing cgi form data @@ -1191,8 +1590,8 @@ diff -purN bb.old/libbb/cgi.c bb.dev/libbb/cgi.c + return retval; +} diff -purN bb.old/libbb/Kbuild bb.dev/libbb/Kbuild ---- bb.old/libbb/Kbuild 2007-03-06 19:38:07.361080000 +0100 -+++ bb.dev/libbb/Kbuild 2007-03-11 18:40:51.384445712 +0100 +--- bb.old/libbb/Kbuild 2007-05-20 04:17:05.004197480 +0200 ++++ bb.dev/libbb/Kbuild 2007-05-20 04:16:47.181906880 +0200 @@ -118,3 +118,6 @@ lib-$(CONFIG_GREP) += xregcomp.o lib-$(CONFIG_MDEV) += xregcomp.o lib-$(CONFIG_LESS) += xregcomp.o |