source src/config_parse.c
Line | Flow | Count | Block(s) | Source |
---|---|---|---|---|
1 | - | /* | ||
2 | - | * Copyright (C) the libgit2 contributors. All rights reserved. | ||
3 | - | * | ||
4 | - | * This file is part of libgit2, distributed under the GNU GPL v2 with | ||
5 | - | * a Linking Exception. For full terms see the included COPYING file. | ||
6 | - | */ | ||
7 | - | |||
8 | - | #include "config_parse.h" | ||
9 | - | |||
10 | - | #include "buf_text.h" | ||
11 | - | |||
12 | - | #include <ctype.h> | ||
13 | - | |||
14 | - | const char *git_config_escapes = "ntb\"\\"; | ||
15 | - | const char *git_config_escaped = "\n\t\b\"\\"; | ||
16 | - | |||
17 | 16 | 2 | static void set_parse_error(git_config_parser *reader, int col, const char *error_str) | |
18 | - | { | ||
19 | 16 | 2 | if (col) | |
20 | 5 | 3 | git_error_set(GIT_ERROR_CONFIG, | |
21 | - | "failed to parse config file: %s (in %s:%"PRIuZ", column %d)", | ||
22 | - | error_str, reader->path, reader->ctx.line_num, col); | ||
23 | - | else | ||
24 | 11 | 4 | git_error_set(GIT_ERROR_CONFIG, | |
25 | - | "failed to parse config file: %s (in %s:%"PRIuZ")", | ||
26 | - | error_str, reader->path, reader->ctx.line_num); | ||
27 | 16 | 5 | } | |
28 | - | |||
29 | - | |||
30 | 345273 | 2 | GIT_INLINE(int) config_keychar(int c) | |
31 | - | { | ||
32 | 345273 | 2 | return isalnum(c) || c == '-'; | |
33 | - | } | ||
34 | - | |||
35 | - | 2 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files)static int strip_comments(char *line, int in_quotes) | |
36 | - | { | ||
37 | - | 2 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) int quote_count = in_quotes, backslash_count = 0; | |
38 | - | char *ptr; | ||
39 | - | |||
40 | - | 2,15,16 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) for (ptr = line; *ptr; ++ptr) { | |
41 | - | 3-5 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if (ptr[0] == '"' && ptr > line && ptr[-1] != '\\') | |
42 | - | 6 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) quote_count++; | |
43 | - | |||
44 | - | 7-9 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if ((ptr[0] == ';' || ptr[0] == '#') && | |
45 | - | 9,10 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) (quote_count % 2) == 0 && | |
46 | - | 10 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) (backslash_count % 2) == 0) { | |
47 | - | 11 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr[0] = '\0'; | |
48 | - | 11 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) break; | |
49 | - | } | ||
50 | - | |||
51 | - | 12 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) if (ptr[0] == '\\') | |
52 | - | 13 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) backslash_count++; | |
53 | - | else | ||
54 | - | 14 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) backslash_count = 0; | |
55 | - | } | ||
56 | - | |||
57 | - | /* skip any space at the end */ | ||
58 | - | 17,19-21 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) while (ptr > line && git__isspace(ptr[-1])) { | |
59 | - | 18 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr--; | |
60 | - | } | ||
61 | - | 22 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) ptr[0] = '\0'; | |
62 | - | |||
63 | - | 22 | suppressed: function cannot be solved strip_comments (automatic due to inconsistent arc counts in .gcda files) return quote_count; | |
64 | - | } | ||
65 | - | |||
66 | - | |||
67 | 30829 | 2 | static int parse_subsection_header(git_config_parser *reader, const char *line, size_t pos, const char *base_name, char **section_name) | |
68 | - | { | ||
69 | - | int c, rpos; | ||
70 | - | const char *first_quote, *last_quote; | ||
71 | 30829 | 2 | const char *line_start = line; | |
72 | 30829 | 2 | git_buf buf = GIT_BUF_INIT; | |
73 | 30829 | 2 | size_t quoted_len, alloc_len, base_name_len = strlen(base_name); | |
74 | - | |||
75 | - | /* Skip any additional whitespace before our section name */ | ||
76 | 30831 | 2,4,5 | while (git__isspace(line[pos])) | |
77 | 2 | 3 | pos++; | |
78 | - | |||
79 | - | /* We should be at the first quotation mark. */ | ||
80 | 30829 | 6 | if (line[pos] != '"') { | |
81 | 4 | 7 | set_parse_error(reader, 0, "missing quotation marks in section header"); | |
82 | 4 | 53 | goto end_error; | |
83 | - | } | ||
84 | - | |||
85 | 30825 | 8 | first_quote = &line[pos]; | |
86 | 30825 | 8 | last_quote = strrchr(line, '"'); | |
87 | 30825 | 8 | quoted_len = last_quote - first_quote; | |
88 | - | |||
89 | 30825 | 8 | if ((last_quote - line) > INT_MAX) { | |
90 | ##### | 9 | set_parse_error(reader, 0, "invalid section header, line too long"); | |
91 | ##### | 10 | goto end_error; | |
92 | - | } | ||
93 | - | |||
94 | 30825 | 11 | if (quoted_len == 0) { | |
95 | ##### | 12 | set_parse_error(reader, 0, "missing closing quotation mark in section header"); | |
96 | ##### | 13 | goto end_error; | |
97 | - | } | ||
98 | - | |||
99 | 30825 | 14-20 | GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, base_name_len, quoted_len); | |
100 | 30825 | 21-27 | GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, alloc_len, 2); | |
101 | - | |||
102 | 30825 | 28,29,31 | if (git_buf_grow(&buf, alloc_len) < 0 || | |
103 | 30825 | 30 | git_buf_printf(&buf, "%s.", base_name) < 0) | |
104 | - | goto end_error; | ||
105 | - | |||
106 | 30825 | 32 | rpos = 0; | |
107 | - | |||
108 | 30825 | 32 | line = first_quote; | |
109 | 30825 | 32 | c = line[++rpos]; | |
110 | - | |||
111 | - | /* | ||
112 | - | * At the end of each iteration, whatever is stored in c will be | ||
113 | - | * added to the string. In case of error, jump to out | ||
114 | - | */ | ||
115 | - | do { | ||
116 | - | |||
117 | 368371 | 33 | switch (c) { | |
118 | - | case 0: | ||
119 | ##### | 34 | set_parse_error(reader, 0, "unexpected end-of-line in section header"); | |
120 | ##### | 35 | goto end_error; | |
121 | - | |||
122 | - | case '"': | ||
123 | 58 | 36 | goto end_parse; | |
124 | - | |||
125 | - | case '\\': | ||
126 | 14 | 37 | c = line[++rpos]; | |
127 | - | |||
128 | 14 | 37 | if (c == 0) { | |
129 | ##### | 38 | set_parse_error(reader, rpos, "unexpected end-of-line in section header"); | |
130 | ##### | 39 | goto end_error; | |
131 | - | } | ||
132 | - | |||
133 | - | default: | ||
134 | 368313 | 40 | break; | |
135 | - | } | ||
136 | - | |||
137 | 368313 | 41 | git_buf_putc(&buf, (char)c); | |
138 | 368309 | 42 | c = line[++rpos]; | |
139 | 368309 | 42 | } while (line + rpos < last_quote); | |
140 | - | |||
141 | - | end_parse: | ||
142 | 30823 | 43,44 | if (git_buf_oom(&buf)) | |
143 | ##### | 45 | goto end_error; | |
144 | - | |||
145 | 30823 | 46,47 | if (line[rpos] != '"' || line[rpos + 1] != ']') { | |
146 | 3 | 48 | set_parse_error(reader, rpos, "unexpected text after closing quotes"); | |
147 | 3 | 49 | git_buf_dispose(&buf); | |
148 | 3 | 50 | return -1; | |
149 | - | } | ||
150 | - | |||
151 | 30820 | 51 | *section_name = git_buf_detach(&buf); | |
152 | 30822 | 52 | return (int)(&line[rpos + 2] - line_start); /* rpos is at the closing quote */ | |
153 | - | |||
154 | - | end_error: | ||
155 | 4 | 54 | git_buf_dispose(&buf); | |
156 | - | |||
157 | 4 | 55 | return -1; | |
158 | - | } | ||
159 | - | |||
160 | - | 2 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files)static int parse_section_header(git_config_parser *reader, char **section_out) | |
161 | - | { | ||
162 | - | char *name, *name_end; | ||
163 | - | int name_length, c, pos; | ||
164 | - | int result; | ||
165 | - | char *line; | ||
166 | - | size_t line_len; | ||
167 | - | |||
168 | - | 2 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git_parse_advance_ws(&reader->ctx); | |
169 | - | 3 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
170 | - | 4 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (line == NULL) | |
171 | - | 5 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
172 | - | |||
173 | - | /* find the end of the variable's name */ | ||
174 | - | 6 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name_end = strrchr(line, ']'); | |
175 | - | 6 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (name_end == NULL) { | |
176 | - | 7 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
177 | - | 8 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, 0, "missing ']' in section header"); | |
178 | - | 9 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
179 | - | } | ||
180 | - | |||
181 | - | 10-16 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) GIT_ERROR_CHECK_ALLOC_ADD(&line_len, (size_t)(name_end - line), 1); | |
182 | - | 17 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name = git__malloc(line_len); | |
183 | - | 18,19 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) GIT_ERROR_CHECK_ALLOC(name); | |
184 | - | |||
185 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name_length = 0; | |
186 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) pos = 0; | |
187 | - | |||
188 | - | /* Make sure we were given a section header */ | ||
189 | - | 20 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) c = line[pos++]; | |
190 | - | 20,21 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) assert(c == '['); | |
191 | - | |||
192 | - | 22 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) c = line[pos++]; | |
193 | - | |||
194 | - | do { | ||
195 | - | 23,24 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (git__isspace(c)){ | |
196 | - | 25 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length] = '\0'; | |
197 | - | 25 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) result = parse_subsection_header(reader, line, pos, name, section_out); | |
198 | - | 26 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
199 | - | 27 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(name); | |
200 | - | 28 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return result; | |
201 | - | } | ||
202 | - | |||
203 | - | 29-31 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (!config_keychar(c) && c != '.') { | |
204 | - | 32 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, pos, "unexpected character in header"); | |
205 | - | 39 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) goto fail_parse; | |
206 | - | } | ||
207 | - | |||
208 | - | 33 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length++] = (char)git__tolower(c); | |
209 | - | |||
210 | - | 33 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) } while ((c = line[pos++]) != ']'); | |
211 | - | |||
212 | - | 34 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) if (line[pos - 1] != ']') { | |
213 | - | 35 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) set_parse_error(reader, pos, "unexpected end of file"); | |
214 | - | 36 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) goto fail_parse; | |
215 | - | } | ||
216 | - | |||
217 | - | 37 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
218 | - | |||
219 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) name[name_length] = 0; | |
220 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) *section_out = name; | |
221 | - | |||
222 | - | 38 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return pos; | |
223 | - | |||
224 | - | fail_parse: | ||
225 | - | 40 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(line); | |
226 | - | 41 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) git__free(name); | |
227 | - | 42 | suppressed: function cannot be solved parse_section_header (automatic due to inconsistent arc counts in .gcda files) return -1; | |
228 | - | } | ||
229 | - | |||
230 | 22971 | 2 | static int skip_bom(git_parse_ctx *parser) | |
231 | - | { | ||
232 | 22971 | 2 | git_buf buf = GIT_BUF_INIT_CONST(parser->content, parser->content_len); | |
233 | - | git_bom_t bom; | ||
234 | 22971 | 2 | int bom_offset = git_buf_text_detect_bom(&bom, &buf); | |
235 | - | |||
236 | 22972 | 3 | if (bom == GIT_BOM_UTF8) | |
237 | 5 | 4 | git_parse_advance_chars(parser, bom_offset); | |
238 | - | |||
239 | - | /* TODO: reference implementation is pretty stupid with BoM */ | ||
240 | - | |||
241 | 22972 | 5 | return 0; | |
242 | - | } | ||
243 | - | |||
244 | - | /* | ||
245 | - | (* basic types *) | ||
246 | - | digit = "0".."9" | ||
247 | - | integer = digit { digit } | ||
248 | - | alphabet = "a".."z" + "A" .. "Z" | ||
249 | - | |||
250 | - | section_char = alphabet | "." | "-" | ||
251 | - | extension_char = (* any character except newline *) | ||
252 | - | any_char = (* any character *) | ||
253 | - | variable_char = "alphabet" | "-" | ||
254 | - | |||
255 | - | |||
256 | - | (* actual grammar *) | ||
257 | - | config = { section } | ||
258 | - | |||
259 | - | section = header { definition } | ||
260 | - | |||
261 | - | header = "[" section [subsection | subsection_ext] "]" | ||
262 | - | |||
263 | - | subsection = "." section | ||
264 | - | subsection_ext = "\"" extension "\"" | ||
265 | - | |||
266 | - | section = section_char { section_char } | ||
267 | - | extension = extension_char { extension_char } | ||
268 | - | |||
269 | - | definition = variable_name ["=" variable_value] "\n" | ||
270 | - | |||
271 | - | variable_name = variable_char { variable_char } | ||
272 | - | variable_value = string | boolean | integer | ||
273 | - | |||
274 | - | string = quoted_string | plain_string | ||
275 | - | quoted_string = "\"" plain_string "\"" | ||
276 | - | plain_string = { any_char } | ||
277 | - | |||
278 | - | boolean = boolean_true | boolean_false | ||
279 | - | boolean_true = "yes" | "1" | "true" | "on" | ||
280 | - | boolean_false = "no" | "0" | "false" | "off" | ||
281 | - | */ | ||
282 | - | |||
283 | - | /* '\"' -> '"' etc */ | ||
284 | - | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files)static int unescape_line( | |
285 | - | char **out, bool *is_multi, const char *ptr, int quote_count) | ||
286 | - | { | ||
287 | - | char *str, *fixed, *esc; | ||
288 | - | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) size_t ptr_len = strlen(ptr), alloc_len; | |
289 | - | |||
290 | - | 2 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *is_multi = false; | |
291 | - | |||
292 | - | 2-6 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (GIT_ADD_SIZET_OVERFLOW(&alloc_len, ptr_len, 1) || | |
293 | - | 5 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) (str = git__malloc(alloc_len)) == NULL) { | |
294 | - | 7 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return -1; | |
295 | - | } | ||
296 | - | |||
297 | - | 8 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) fixed = str; | |
298 | - | |||
299 | - | 8,21 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) while (*ptr != '\0') { | |
300 | - | 9 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (*ptr == '"') { | |
301 | - | 10 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) quote_count++; | |
302 | - | 11 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) } else if (*ptr != '\\') { | |
303 | - | 12 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed++ = *ptr; | |
304 | - | } else { | ||
305 | - | /* backslash, check the next char */ | ||
306 | - | 13 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) ptr++; | |
307 | - | /* if we're at the end, it's a multiline, so keep the backslash */ | ||
308 | - | 13 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if (*ptr == '\0') { | |
309 | - | 14 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *is_multi = true; | |
310 | - | 14 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) goto done; | |
311 | - | } | ||
312 | - | 15 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) if ((esc = strchr(git_config_escapes, *ptr)) != NULL) { | |
313 | - | 16 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed++ = git_config_escaped[esc - git_config_escapes]; | |
314 | - | } else { | ||
315 | - | 17 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) git__free(str); | |
316 | - | 18 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) git_error_set(GIT_ERROR_CONFIG, "invalid escape at %s", ptr); | |
317 | - | 19 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return -1; | |
318 | - | } | ||
319 | - | } | ||
320 | - | 20 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) ptr++; | |
321 | - | } | ||
322 | - | |||
323 | - | done: | ||
324 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *fixed = '\0'; | |
325 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) *out = str; | |
326 | - | |||
327 | - | 22 | suppressed: function cannot be solved unescape_line (automatic due to inconsistent arc counts in .gcda files) return 0; | |
328 | - | } | ||
329 | - | |||
330 | 7 | 2 | static int parse_multiline_variable(git_config_parser *reader, git_buf *value, int in_quotes) | |
331 | - | { | ||
332 | - | int quote_count; | ||
333 | 7 | 2 | bool multiline = true; | |
334 | - | |||
335 | 16 | 2,25 | while (multiline) { | |
336 | 11 | 3 | char *line = NULL, *proc_line = NULL; | |
337 | - | int error; | ||
338 | - | |||
339 | - | /* Check that the next line exists */ | ||
340 | 11 | 3 | git_parse_advance_line(&reader->ctx); | |
341 | 11 | 4 | line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
342 | 11 | 5,6,24 | GIT_ERROR_CHECK_ALLOC(line); | |
343 | - | |||
344 | - | /* | ||
345 | - | * We've reached the end of the file, there is no continuation. | ||
346 | - | * (this is not an error). | ||
347 | - | */ | ||
348 | 11 | 7 | if (line[0] == '\0') { | |
349 | 2 | 8 | error = 0; | |
350 | 2 | 8 | goto out; | |
351 | - | } | ||
352 | - | |||
353 | - | /* If it was just a comment, pretend it didn't exist */ | ||
354 | 9 | 9 | quote_count = strip_comments(line, !!in_quotes); | |
355 | 9 | 10 | if (line[0] == '\0') | |
356 | ##### | 11 | goto next; | |
357 | - | |||
358 | 9 | 12,13 | if ((error = unescape_line(&proc_line, &multiline, | |
359 | - | line, in_quotes)) < 0) | ||
360 | ##### | 14 | goto out; | |
361 | - | |||
362 | - | /* Add this line to the multiline var */ | ||
363 | 9 | 15,16 | if ((error = git_buf_puts(value, proc_line)) < 0) | |
364 | ##### | 17 | goto out; | |
365 | - | |||
366 | - | next: | ||
367 | 9 | 18 | git__free(line); | |
368 | 9 | 19 | git__free(proc_line); | |
369 | 9 | 20 | in_quotes = quote_count; | |
370 | 9 | 20 | continue; | |
371 | - | |||
372 | - | out: | ||
373 | 2 | 21 | git__free(line); | |
374 | 2 | 22 | git__free(proc_line); | |
375 | 2 | 23 | return error; | |
376 | - | } | ||
377 | - | |||
378 | 5 | 26 | return 0; | |
379 | - | } | ||
380 | - | |||
381 | 1175066 | 2 | GIT_INLINE(bool) is_namechar(char c) | |
382 | - | { | ||
383 | 1175066 | 2 | return isalnum(c) || c == '-'; | |
384 | - | } | ||
385 | - | |||
386 | 124826 | 2 | static int parse_name( | |
387 | - | char **name, const char **value, git_config_parser *reader, const char *line) | ||
388 | - | { | ||
389 | 124826 | 2 | const char *name_end = line, *value_start; | |
390 | - | |||
391 | 124826 | 2 | *name = NULL; | |
392 | 124826 | 2 | *value = NULL; | |
393 | - | |||
394 | 1175153 | 2,4-6 | while (*name_end && is_namechar(*name_end)) | |
395 | 1050327 | 3 | name_end++; | |
396 | - | |||
397 | 124789 | 7 | if (line == name_end) { | |
398 | ##### | 8 | set_parse_error(reader, 0, "invalid configuration key"); | |
399 | ##### | 9 | return -1; | |
400 | - | } | ||
401 | - | |||
402 | 124789 | 10 | value_start = name_end; | |
403 | - | |||
404 | 249414 | 10,12-14 | while (*value_start && git__isspace(*value_start)) | |
405 | 124625 | 11 | value_start++; | |
406 | - | |||
407 | 124787 | 15 | if (*value_start == '=') { | |
408 | 124776 | 16 | *value = value_start + 1; | |
409 | 11 | 17 | } else if (*value_start) { | |
410 | 3 | 18 | set_parse_error(reader, 0, "invalid configuration key"); | |
411 | 3 | 19 | return -1; | |
412 | - | } | ||
413 | - | |||
414 | 124792 | 20,21 | if ((*name = git__strndup(line, name_end - line)) == NULL) | |
415 | ##### | 22 | return -1; | |
416 | - | |||
417 | 124792 | 23 | return 0; | |
418 | - | } | ||
419 | - | |||
420 | 124790 | 2 | static int parse_variable(git_config_parser *reader, char **var_name, char **var_value) | |
421 | - | { | ||
422 | 124790 | 2 | const char *value_start = NULL; | |
423 | 124790 | 2 | char *line = NULL, *name = NULL, *value = NULL; | |
424 | - | int quote_count, error; | ||
425 | - | bool multiline; | ||
426 | - | |||
427 | 124790 | 2 | *var_name = NULL; | |
428 | 124790 | 2 | *var_value = NULL; | |
429 | - | |||
430 | 124790 | 2 | git_parse_advance_ws(&reader->ctx); | |
431 | 124787 | 3 | line = git__strndup(reader->ctx.line, reader->ctx.line_len); | |
432 | 124787 | 4,5 | GIT_ERROR_CHECK_ALLOC(line); | |
433 | - | |||
434 | 124787 | 6 | quote_count = strip_comments(line, 0); | |
435 | - | |||
436 | 124792 | 7,8 | if ((error = parse_name(&name, &value_start, reader, line)) < 0) | |
437 | 3 | 9 | goto out; | |
438 | - | |||
439 | - | /* | ||
440 | - | * Now, let's try to parse the value | ||
441 | - | */ | ||
442 | 124789 | 10 | if (value_start != NULL) { | |
443 | 239683 | 11,13,14 | while (git__isspace(value_start[0])) | |
444 | 114900 | 12 | value_start++; | |
445 | - | |||
446 | 124783 | 15,16 | if ((error = unescape_line(&value, &multiline, value_start, 0)) < 0) | |
447 | 1 | 17 | goto out; | |
448 | - | |||
449 | 124782 | 18 | if (multiline) { | |
450 | 7 | 19 | git_buf multi_value = GIT_BUF_INIT; | |
451 | 7 | 19 | git_buf_attach(&multi_value, value, 0); | |
452 | 7 | 20 | value = NULL; | |
453 | - | |||
454 | 7 | 20,21,23 | if (parse_multiline_variable(reader, &multi_value, quote_count) < 0 || | |
455 | 7 | 22 | git_buf_oom(&multi_value)) { | |
456 | ##### | 24 | error = -1; | |
457 | ##### | 24 | git_buf_dispose(&multi_value); | |
458 | ##### | 25 | goto out; | |
459 | - | } | ||
460 | - | |||
461 | 7 | 26,27 | value = git_buf_detach(&multi_value); | |
462 | - | } | ||
463 | - | } | ||
464 | - | |||
465 | 124788 | 28 | *var_name = name; | |
466 | 124788 | 28 | *var_value = value; | |
467 | 124788 | 28 | name = NULL; | |
468 | 124788 | 28 | value = NULL; | |
469 | - | |||
470 | - | out: | ||
471 | 124792 | 29 | git__free(name); | |
472 | 124788 | 30 | git__free(value); | |
473 | 124773 | 31 | git__free(line); | |
474 | 124793 | 32 | return error; | |
475 | - | } | ||
476 | - | |||
477 | 4672 | 2 | int git_config_parser_init(git_config_parser *out, const char *path, const char *data, size_t datalen) | |
478 | - | { | ||
479 | 4672 | 2 | out->path = path; | |
480 | 4672 | 2 | return git_parse_ctx_init(&out->ctx, data, datalen); | |
481 | - | } | ||
482 | - | |||
483 | 4673 | 2 | void git_config_parser_dispose(git_config_parser *parser) | |
484 | - | { | ||
485 | 4673 | 2 | git_parse_ctx_clear(&parser->ctx); | |
486 | 4673 | 3 | } | |
487 | - | |||
488 | 22975 | 2 | int git_config_parse( | |
489 | - | git_config_parser *parser, | ||
490 | - | git_config_parser_section_cb on_section, | ||
491 | - | git_config_parser_variable_cb on_variable, | ||
492 | - | git_config_parser_comment_cb on_comment, | ||
493 | - | git_config_parser_eof_cb on_eof, | ||
494 | - | void *payload) | ||
495 | - | { | ||
496 | - | git_parse_ctx *ctx; | ||
497 | 22975 | 2 | char *current_section = NULL, *var_name = NULL, *var_value = NULL; | |
498 | 22975 | 2 | int result = 0; | |
499 | - | |||
500 | 22975 | 2 | ctx = &parser->ctx; | |
501 | - | |||
502 | 22975 | 2 | skip_bom(ctx); | |
503 | - | |||
504 | 201844 | 3,34,35 | for (; ctx->remain_len > 0; git_parse_advance_line(ctx)) { | |
505 | - | const char *line_start; | ||
506 | - | size_t line_len; | ||
507 | - | char c; | ||
508 | - | |||
509 | - | restart: | ||
510 | 178904 | 4 | line_start = ctx->line; | |
511 | 178904 | 4 | line_len = ctx->line_len; | |
512 | - | |||
513 | - | /* | ||
514 | - | * Get either first non-whitespace character or, if that does | ||
515 | - | * not exist, the first whitespace character. This is required | ||
516 | - | * to preserve whitespaces when writing back the file. | ||
517 | - | */ | ||
518 | 178917 | 4,5,7 | if (git_parse_peek(&c, ctx, GIT_PARSE_PEEK_SKIP_WHITESPACE) < 0 && | |
519 | 1397 | 6 | git_parse_peek(&c, ctx, 0) < 0) | |
520 | ##### | 8 | continue; | |
521 | - | |||
522 | 178917 | 9 | switch (c) { | |
523 | - | case '[': /* section header, new section begins */ | ||
524 | 52700 | 10 | git__free(current_section); | |
525 | 52702 | 11 | current_section = NULL; | |
526 | - | |||
527 | 52702 | 11 | result = parse_section_header(parser, ¤t_section); | |
528 | 52695 | 12 | if (result < 0) | |
529 | 3 | 13 | break; | |
530 | - | |||
531 | 52692 | 14 | git_parse_advance_chars(ctx, result); | |
532 | - | |||
533 | 52693 | 15 | if (on_section) | |
534 | 9423 | 16 | result = on_section(parser, current_section, line_start, line_len, payload); | |
535 | - | /* | ||
536 | - | * After we've parsed the section header we may not be | ||
537 | - | * done with the line. If there's still data in there, | ||
538 | - | * run the next loop with the rest of the current line | ||
539 | - | * instead of moving forward. | ||
540 | - | */ | ||
541 | - | |||
542 | 52693 | 17,18 | if (!git_parse_peek(&c, ctx, GIT_PARSE_PEEK_SKIP_WHITESPACE)) | |
543 | 8 | 19 | goto restart; | |
544 | - | |||
545 | 52683 | 20 | break; | |
546 | - | |||
547 | - | case '\n': /* comment or whitespace-only */ | ||
548 | - | case '\r': | ||
549 | - | case ' ': | ||
550 | - | case '\t': | ||
551 | - | case ';': | ||
552 | - | case '#': | ||
553 | 1426 | 21 | if (on_comment) { | |
554 | 218 | 22 | result = on_comment(parser, line_start, line_len, payload); | |
555 | - | } | ||
556 | 1426 | 23 | break; | |
557 | - | |||
558 | - | default: /* assume variable declaration */ | ||
559 | 124792 | 24-26 | if ((result = parse_variable(parser, &var_name, &var_value)) == 0 && on_variable) { | |
560 | 124788 | 27 | result = on_variable(parser, current_section, var_name, var_value, line_start, line_len, payload); | |
561 | 124787 | 28 | git__free(var_name); | |
562 | 124799 | 29 | git__free(var_value); | |
563 | - | } | ||
564 | - | |||
565 | 124800 | 30 | break; | |
566 | - | } | ||
567 | - | |||
568 | 178912 | 31 | if (result < 0) | |
569 | 178885 | 32,33 | goto out; | |
570 | - | } | ||
571 | - | |||
572 | 22948 | 36 | if (on_eof) | |
573 | 4664 | 37 | result = on_eof(parser, current_section, payload); | |
574 | - | |||
575 | - | out: | ||
576 | 22975 | 38 | git__free(current_section); | |
577 | 22977 | 39 | return result; | |
578 | - | } |