diff options
author | Nikos Mavrogiannopoulos | 2010-10-25 21:21:04 +0200 |
---|---|---|
committer | Nikos Mavrogiannopoulos | 2010-10-25 21:21:04 +0200 |
commit | e02dd8c03ce5b66c81a47830eebe73a21ce71002 (patch) | |
tree | 6b35cc9815eb90b4cf9d97d7f981aff764eeb0ea /src/gnutls_lua.c | |
parent | 62def2f82df4b35b03843063364533bd36646ee0 (diff) |
indented code
Diffstat (limited to 'src/gnutls_lua.c')
-rw-r--r-- | src/gnutls_lua.c | 465 |
1 files changed, 241 insertions, 224 deletions
diff --git a/src/gnutls_lua.c b/src/gnutls_lua.c index 6d80574..4401b61 100644 --- a/src/gnutls_lua.c +++ b/src/gnutls_lua.c | |||
@@ -25,268 +25,285 @@ | |||
25 | 25 | ||
26 | static char *MGS_LUA_RRKEY = "request_rec"; | 26 | static char *MGS_LUA_RRKEY = "request_rec"; |
27 | 27 | ||
28 | static request_rec *mgs_lua_getrr(lua_State *lvm) | 28 | static request_rec *mgs_lua_getrr(lua_State * lvm) |
29 | { | 29 | { |
30 | request_rec *r; | 30 | request_rec *r; |
31 | 31 | ||
32 | /* Push the request_rec off the registry, onto the stack. */ | 32 | /* Push the request_rec off the registry, onto the stack. */ |
33 | lua_pushlightuserdata(lvm, MGS_LUA_RRKEY); | 33 | lua_pushlightuserdata(lvm, MGS_LUA_RRKEY); |
34 | lua_gettable(lvm, LUA_REGISTRYINDEX); | 34 | lua_gettable(lvm, LUA_REGISTRYINDEX); |
35 | r = lua_touserdata(lvm, -1); | 35 | r = lua_touserdata(lvm, -1); |
36 | lua_pop(lvm, 1); | 36 | lua_pop(lvm, 1); |
37 | return r; | 37 | return r; |
38 | } | 38 | } |
39 | 39 | ||
40 | static int get_request_table(lua_State *lvm, long offset) | 40 | static int get_request_table(lua_State * lvm, long offset) |
41 | { | 41 | { |
42 | const char *key; | 42 | const char *key; |
43 | request_rec *r; | 43 | request_rec *r; |
44 | const char *value; | 44 | const char *value; |
45 | apr_table_t *t; | 45 | apr_table_t *t; |
46 | key = luaL_checkstring(lvm, 1); | 46 | key = luaL_checkstring(lvm, 1); |
47 | 47 | ||
48 | r = mgs_lua_getrr(lvm); | 48 | r = mgs_lua_getrr(lvm); |
49 | 49 | ||
50 | t = *(apr_table_t **)((char *)r + offset); | 50 | t = *(apr_table_t **) ((char *) r + offset); |
51 | 51 | ||
52 | value = apr_table_get(t, key); | 52 | value = apr_table_get(t, key); |
53 | 53 | ||
54 | if (value) { | 54 | if (value) { |
55 | lua_pushstring(lvm, value); | 55 | lua_pushstring(lvm, value); |
56 | return 1; | 56 | return 1; |
57 | } | 57 | } else { |
58 | else { | 58 | return 0; |
59 | return 0; | 59 | } |
60 | } | ||
61 | } | 60 | } |
62 | 61 | ||
63 | static int mgs_lua_getenv(lua_State *lvm) | 62 | static int mgs_lua_getenv(lua_State * lvm) |
64 | { | 63 | { |
65 | return get_request_table(lvm, APR_OFFSETOF(request_rec, subprocess_env)); | 64 | return get_request_table(lvm, |
65 | APR_OFFSETOF(request_rec, | ||
66 | subprocess_env)); | ||
66 | } | 67 | } |
67 | 68 | ||
68 | static int mgs_lua_getheader(lua_State *lvm) | 69 | static int mgs_lua_getheader(lua_State * lvm) |
69 | { | 70 | { |
70 | return get_request_table(lvm, APR_OFFSETOF(request_rec, headers_in)); | 71 | return get_request_table(lvm, |
71 | } | 72 | APR_OFFSETOF(request_rec, headers_in)); |
73 | } | ||
72 | 74 | ||
73 | static const luaL_reg mgs_lua_reg[] = { | 75 | static const luaL_reg mgs_lua_reg[] = { |
74 | {"getenv", mgs_lua_getenv}, | 76 | {"getenv", mgs_lua_getenv}, |
75 | {"header", mgs_lua_getheader}, | 77 | {"header", mgs_lua_getheader}, |
76 | {NULL, NULL} | 78 | {NULL, NULL} |
77 | }; | 79 | }; |
78 | 80 | ||
79 | lua_State* get_luastate() | 81 | lua_State *get_luastate() |
80 | { | 82 | { |
81 | lua_State* lvm = lua_open(); | 83 | lua_State *lvm = lua_open(); |
82 | luaopen_base(lvm); | 84 | luaopen_base(lvm); |
83 | luaopen_io(lvm); | 85 | luaopen_io(lvm); |
84 | luaopen_table(lvm); | 86 | luaopen_table(lvm); |
85 | luaopen_string(lvm); | 87 | luaopen_string(lvm); |
86 | luaopen_math(lvm); | 88 | luaopen_math(lvm); |
87 | luaopen_loadlib(lvm); | 89 | luaopen_loadlib(lvm); |
88 | luaL_openlib(lvm, "ap", mgs_lua_reg, 0); | 90 | luaL_openlib(lvm, "ap", mgs_lua_reg, 0); |
89 | 91 | ||
90 | return lvm; | 92 | return lvm; |
91 | } | 93 | } |
92 | 94 | ||
93 | int mgs_authz_lua(request_rec* r) | 95 | int mgs_authz_lua(request_rec * r) |
94 | { | 96 | { |
95 | int rv; | 97 | int rv; |
96 | lua_State* lvm; | 98 | lua_State *lvm; |
97 | mgs_dirconf_rec *dc = ap_get_module_config(r->per_dir_config, | 99 | mgs_dirconf_rec *dc = ap_get_module_config(r->per_dir_config, |
98 | &gnutls_module); | 100 | &gnutls_module); |
99 | 101 | ||
100 | if (dc->lua_bytecode_len <= 0) { | 102 | if (dc->lua_bytecode_len <= 0) { |
101 | return 0; | 103 | return 0; |
102 | } | 104 | } |
103 | 105 | ||
104 | lvm = get_luastate(); | 106 | lvm = get_luastate(); |
105 | lua_pushlightuserdata(lvm, MGS_LUA_RRKEY); | 107 | lua_pushlightuserdata(lvm, MGS_LUA_RRKEY); |
106 | lua_pushlightuserdata(lvm, r); | 108 | lua_pushlightuserdata(lvm, r); |
107 | lua_settable(lvm, LUA_REGISTRYINDEX); | 109 | lua_settable(lvm, LUA_REGISTRYINDEX); |
108 | 110 | ||
109 | /* Push Bytecode onto the stack */ | 111 | /* Push Bytecode onto the stack */ |
110 | rv = luaL_loadbuffer(lvm, dc->lua_bytecode, dc->lua_bytecode_len, "gnutls-lua"); | 112 | rv = luaL_loadbuffer(lvm, dc->lua_bytecode, dc->lua_bytecode_len, |
111 | 113 | "gnutls-lua"); | |
112 | if (rv != 0) { | 114 | |
113 | /* Get the Error message */ | 115 | if (rv != 0) { |
114 | const char* error = lua_tostring(lvm, -1); | 116 | /* Get the Error message */ |
115 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, | 117 | const char *error = lua_tostring(lvm, -1); |
116 | "GnuTLS: Error Loading Lua Bytecode: %s", error); | 118 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, |
117 | lua_pop(lvm, 1); | 119 | "GnuTLS: Error Loading Lua Bytecode: %s", |
118 | return -1; | 120 | error); |
119 | } | 121 | lua_pop(lvm, 1); |
120 | 122 | return -1; | |
121 | rv = lua_pcall(lvm, 0, 1, 0); | 123 | } |
122 | if (rv != 0) { | 124 | |
123 | /* Get the Error message */ | 125 | rv = lua_pcall(lvm, 0, 1, 0); |
124 | const char* error = lua_tostring(lvm, -1); | 126 | if (rv != 0) { |
125 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, | 127 | /* Get the Error message */ |
126 | "GnuTLS: Error Running Lua: %s", error); | 128 | const char *error = lua_tostring(lvm, -1); |
127 | lua_pop(lvm, 1); | 129 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, |
128 | return -1; | 130 | "GnuTLS: Error Running Lua: %s", error); |
129 | } | 131 | lua_pop(lvm, 1); |
130 | 132 | return -1; | |
131 | rv = (int)lua_tonumber(lvm, -1); | 133 | } |
132 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, | 134 | |
133 | "GnuTLS: (%d) Lua Return: %d", | 135 | rv = (int) lua_tonumber(lvm, -1); |
134 | dc->lua_bytecode_len, rv); | 136 | ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, |
135 | lua_pop(lvm, 1); | 137 | "GnuTLS: (%d) Lua Return: %d", |
136 | lua_close(lvm); | 138 | dc->lua_bytecode_len, rv); |
137 | return rv; | 139 | lua_pop(lvm, 1); |
140 | lua_close(lvm); | ||
141 | return rv; | ||
138 | } | 142 | } |
139 | 143 | ||
140 | static apr_size_t config_getstr(ap_configfile_t *cfg, char *buf, size_t bufsiz) | 144 | static apr_size_t config_getstr(ap_configfile_t * cfg, char *buf, |
145 | size_t bufsiz) | ||
141 | { | 146 | { |
142 | apr_size_t i = 0; | 147 | apr_size_t i = 0; |
143 | 148 | ||
144 | if (cfg->getstr) { | 149 | if (cfg->getstr) { |
145 | const char *res = (cfg->getstr)(buf, bufsiz, cfg->param); | 150 | const char *res = (cfg->getstr) (buf, bufsiz, cfg->param); |
146 | if (res) { | 151 | if (res) { |
147 | i = strlen(buf); | 152 | i = strlen(buf); |
148 | if (i && buf[i - 1] == '\n') ++cfg->line_number; | 153 | if (i && buf[i - 1] == '\n') |
149 | } | 154 | ++cfg->line_number; |
150 | else { | 155 | } else { |
151 | buf[0] = '\0'; | 156 | buf[0] = '\0'; |
152 | i = 0; | 157 | i = 0; |
153 | } | 158 | } |
154 | } | 159 | } else { |
155 | else { | 160 | while (i < bufsiz) { |
156 | while (i < bufsiz) { | 161 | int ch = (cfg->getch) (cfg->param); |
157 | int ch = (cfg->getch)(cfg->param); | 162 | if (ch == EOF) |
158 | if (ch == EOF) break; | 163 | break; |
159 | buf[i++] = ch; | 164 | buf[i++] = ch; |
160 | if (ch == '\n') { | 165 | if (ch == '\n') { |
161 | ++cfg->line_number; | 166 | ++cfg->line_number; |
162 | break; | 167 | break; |
163 | } | 168 | } |
164 | } | 169 | } |
165 | } | 170 | } |
166 | return i; | 171 | return i; |
167 | } | 172 | } |
168 | 173 | ||
169 | struct cr_ctx { | 174 | struct cr_ctx { |
170 | ap_configfile_t *cfp; | 175 | ap_configfile_t *cfp; |
171 | size_t startline; | 176 | size_t startline; |
172 | char buf[HUGE_STRING_LEN]; | 177 | char buf[HUGE_STRING_LEN]; |
173 | }; | 178 | }; |
174 | 179 | ||
175 | static const char *LUACMD = "gnutlsrequire"; | 180 | static const char *LUACMD = "gnutlsrequire"; |
176 | static const char *lf = "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"; | 181 | static const char *lf = |
182 | "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"; | ||
177 | #define N_LF 32 | 183 | #define N_LF 32 |
178 | 184 | ||
179 | static const char *direct_chunkreader(lua_State *lvm, void *udata, size_t *plen) | 185 | static const char *direct_chunkreader(lua_State * lvm, void *udata, |
186 | size_t * plen) | ||
180 | { | 187 | { |
181 | const char *p; | 188 | const char *p; |
182 | struct cr_ctx *ctx = udata; | 189 | struct cr_ctx *ctx = udata; |
183 | 190 | ||
184 | if (ctx->startline) { | 191 | if (ctx->startline) { |
185 | *plen = ctx->startline > N_LF ? N_LF : ctx->startline; | 192 | *plen = ctx->startline > N_LF ? N_LF : ctx->startline; |
186 | ctx->startline -= *plen; | 193 | ctx->startline -= *plen; |
187 | return lf; | 194 | return lf; |
188 | } | 195 | } |
189 | *plen = config_getstr(ctx->cfp, ctx->buf, HUGE_STRING_LEN); | 196 | *plen = config_getstr(ctx->cfp, ctx->buf, HUGE_STRING_LEN); |
190 | 197 | ||
191 | for (p = ctx->buf; isspace(*p); ++p); | 198 | for (p = ctx->buf; isspace(*p); ++p); |
192 | if (p[0] == '<' && p[1] == '/') { | 199 | if (p[0] == '<' && p[1] == '/') { |
193 | int i = 0; | 200 | int i = 0; |
194 | while (i < strlen(LUACMD)) { | 201 | while (i < strlen(LUACMD)) { |
195 | if (tolower(p[i + 2]) != LUACMD[i]) return ctx->buf; | 202 | if (tolower(p[i + 2]) != LUACMD[i]) |
196 | ++i; | 203 | return ctx->buf; |
197 | } | 204 | ++i; |
198 | *plen = 0; | 205 | } |
199 | return NULL; | 206 | *plen = 0; |
200 | } | 207 | return NULL; |
201 | return ctx->buf; | 208 | } |
209 | return ctx->buf; | ||
202 | } | 210 | } |
203 | 211 | ||
204 | static int ldump_writer (lua_State *L, const void* b, size_t size, void* B) { | 212 | static int ldump_writer(lua_State * L, const void *b, size_t size, void *B) |
205 | (void)L; | 213 | { |
206 | luaL_addlstring((luaL_Buffer*) B, (const char *)b, size); | 214 | (void) L; |
207 | return 1; | 215 | luaL_addlstring((luaL_Buffer *) B, (const char *) b, size); |
216 | return 1; | ||
208 | } | 217 | } |
209 | 218 | ||
210 | /* a bytecode buffer*/ | 219 | /* a bytecode buffer*/ |
211 | typedef struct bcbuf_ctx { | 220 | typedef struct bcbuf_ctx { |
212 | apr_size_t buflen; | 221 | apr_size_t buflen; |
213 | char* buf; | 222 | char *buf; |
214 | } bcbuf_ctx; | 223 | } bcbuf_ctx; |
215 | 224 | ||
216 | const char *mgs_set_require_section(cmd_parms *cmd, void *mconfig, const char *arg) | 225 | const char *mgs_set_require_section(cmd_parms * cmd, void *mconfig, |
226 | const char *arg) | ||
217 | { | 227 | { |
218 | apr_size_t bytecode_len; | 228 | apr_size_t bytecode_len; |
219 | const char* bytecode; | 229 | const char *bytecode; |
220 | bcbuf_ctx* bcbuf; | 230 | bcbuf_ctx *bcbuf; |
221 | luaL_Buffer b; | 231 | luaL_Buffer b; |
222 | ap_directive_t **current = mconfig; | 232 | ap_directive_t **current = mconfig; |
223 | struct cr_ctx ctx[1]; | 233 | struct cr_ctx ctx[1]; |
224 | int result; | 234 | int result; |
225 | const char *filename = apr_psprintf(cmd->pool, "@%s", cmd->config_file->name); | 235 | const char *filename = |
226 | // get a word argument | 236 | apr_psprintf(cmd->pool, "@%s", cmd->config_file->name); |
227 | const char *word; | 237 | // get a word argument |
228 | apr_size_t wordlen; | 238 | const char *word; |
229 | lua_State *lvm = get_luastate(); | 239 | apr_size_t wordlen; |
230 | 240 | lua_State *lvm = get_luastate(); | |
231 | word = ap_getword_conf(cmd->pool, &arg); | 241 | |
232 | wordlen = strlen(word); | 242 | word = ap_getword_conf(cmd->pool, &arg); |
233 | do { | 243 | wordlen = strlen(word); |
234 | if (wordlen) { | 244 | do { |
235 | if (word[wordlen - 1] == '>') { | 245 | if (wordlen) { |
236 | --wordlen; | 246 | if (word[wordlen - 1] == '>') { |
237 | break; | 247 | --wordlen; |
238 | } | 248 | break; |
239 | if (*arg == '>') break; | 249 | } |
240 | } | 250 | if (*arg == '>') |
241 | return apr_pstrcat(cmd->pool, "<", LUACMD, "> takes exactly one argument", NULL); | 251 | break; |
242 | } while (0); | 252 | } |
243 | 253 | return apr_pstrcat(cmd->pool, "<", LUACMD, | |
244 | ctx->cfp = cmd->config_file; | 254 | "> takes exactly one argument", NULL); |
245 | ctx->startline = cmd->config_file->line_number; | 255 | } while (0); |
246 | lua_settop(lvm, 0); | 256 | |
247 | result = lua_load(lvm, direct_chunkreader, ctx, filename); | 257 | ctx->cfp = cmd->config_file; |
248 | 258 | ctx->startline = cmd->config_file->line_number; | |
249 | if (result != 0) { | 259 | lua_settop(lvm, 0); |
250 | word = apr_pstrcat(cmd->pool, "Lua Error:", lua_tostring(lvm, -1), NULL); | 260 | result = lua_load(lvm, direct_chunkreader, ctx, filename); |
251 | lua_close(lvm); | 261 | |
252 | return word; | 262 | if (result != 0) { |
253 | } | 263 | word = |
254 | else { | 264 | apr_pstrcat(cmd->pool, "Lua Error:", |
255 | luaL_buffinit(lvm, &b); | 265 | lua_tostring(lvm, -1), NULL); |
256 | lua_dump(lvm, ldump_writer, &b); | 266 | lua_close(lvm); |
257 | luaL_pushresult(&b); | 267 | return word; |
258 | bytecode = lua_tostring(lvm, -1); | 268 | } else { |
259 | bytecode_len = lua_strlen(lvm, -1); | 269 | luaL_buffinit(lvm, &b); |
260 | } | 270 | lua_dump(lvm, ldump_writer, &b); |
261 | 271 | luaL_pushresult(&b); | |
262 | /* Here, we have to replace our current config node for the next pass */ | 272 | bytecode = lua_tostring(lvm, -1); |
263 | if (!*current) { | 273 | bytecode_len = lua_strlen(lvm, -1); |
264 | *current = apr_pcalloc(cmd->pool, sizeof(**current)); | 274 | } |
265 | } | 275 | |
266 | 276 | /* Here, we have to replace our current config node for the next pass */ | |
267 | (*current)->filename = cmd->config_file->name; | 277 | if (!*current) { |
268 | (*current)->line_num = ctx->startline; | 278 | *current = apr_pcalloc(cmd->pool, sizeof(**current)); |
269 | (*current)->directive = apr_pstrdup(cmd->pool, "GnuTLSRequireByteCode"); | 279 | } |
270 | (*current)->args = NULL; | 280 | |
271 | 281 | (*current)->filename = cmd->config_file->name; | |
272 | bcbuf = apr_pcalloc(cmd->pool, sizeof(bcbuf)); | 282 | (*current)->line_num = ctx->startline; |
273 | bcbuf->buflen = bytecode_len; | 283 | (*current)->directive = |
274 | bcbuf->buf = apr_pstrmemdup(cmd->pool, bytecode, bytecode_len); | 284 | apr_pstrdup(cmd->pool, "GnuTLSRequireByteCode"); |
275 | 285 | (*current)->args = NULL; | |
276 | (*current)->data = bcbuf; | 286 | |
277 | lua_close(lvm); | 287 | bcbuf = apr_pcalloc(cmd->pool, sizeof(bcbuf)); |
278 | return NULL; | 288 | bcbuf->buflen = bytecode_len; |
289 | bcbuf->buf = apr_pstrmemdup(cmd->pool, bytecode, bytecode_len); | ||
290 | |||
291 | (*current)->data = bcbuf; | ||
292 | lua_close(lvm); | ||
293 | return NULL; | ||
279 | } | 294 | } |
280 | 295 | ||
281 | const char *mgs_set_require_bytecode(cmd_parms *cmd, void *mconfig, const char *arg) | 296 | const char *mgs_set_require_bytecode(cmd_parms * cmd, void *mconfig, |
297 | const char *arg) | ||
282 | { | 298 | { |
283 | bcbuf_ctx* bcbuf; | 299 | bcbuf_ctx *bcbuf; |
284 | ap_directive_t *directive = cmd->directive; | 300 | ap_directive_t *directive = cmd->directive; |
285 | mgs_dirconf_rec *dc = mconfig; | 301 | mgs_dirconf_rec *dc = mconfig; |
286 | 302 | ||
287 | bcbuf = directive->data; | 303 | bcbuf = directive->data; |
288 | dc->lua_bytecode_len = bcbuf->buflen; | 304 | dc->lua_bytecode_len = bcbuf->buflen; |
289 | dc->lua_bytecode = apr_pstrmemdup(cmd->pool, bcbuf->buf, bcbuf->buflen); | 305 | dc->lua_bytecode = |
290 | 306 | apr_pstrmemdup(cmd->pool, bcbuf->buf, bcbuf->buflen); | |
291 | return NULL; | 307 | |
308 | return NULL; | ||
292 | } | 309 | } |