diff options
Diffstat (limited to 'config.c')
-rw-r--r-- | config.c | 229 |
1 files changed, 146 insertions, 83 deletions
@@ -21,15 +21,16 @@ struct config_source { } buf; } u; const char *name; + const char *path; int die_on_error; int linenr; int eof; struct strbuf value; struct strbuf var; - int (*fgetc)(struct config_source *c); - int (*ungetc)(int c, struct config_source *conf); - long (*ftell)(struct config_source *c); + int (*do_fgetc)(struct config_source *c); + int (*do_ungetc)(int c, struct config_source *conf); + long (*do_ftell)(struct config_source *c); }; static struct config_source *cf; @@ -84,8 +85,12 @@ static int handle_path_include(const char *path, struct config_include_data *inc { int ret = 0; struct strbuf buf = STRBUF_INIT; - char *expanded = expand_user_path(path); + char *expanded; + if (!path) + return config_error_nonbool("include.path"); + + expanded = expand_user_path(path); if (!expanded) return error("Could not expand include path '%s'", path); path = expanded; @@ -97,12 +102,12 @@ static int handle_path_include(const char *path, struct config_include_data *inc if (!is_absolute_path(path)) { char *slash; - if (!cf || !cf->name) + if (!cf || !cf->path) return error("relative config includes must come from files"); - slash = find_last_dir_sep(cf->name); + slash = find_last_dir_sep(cf->path); if (slash) - strbuf_add(&buf, cf->name, slash - cf->name + 1); + strbuf_add(&buf, cf->path, slash - cf->path + 1); strbuf_addstr(&buf, path); path = buf.buf; } @@ -217,13 +222,13 @@ int git_config_from_parameters(config_fn_t fn, void *data) static int get_next_char(void) { - int c = cf->fgetc(cf); + int c = cf->do_fgetc(cf); if (c == '\r') { /* DOS like systems */ - c = cf->fgetc(cf); + c = cf->do_fgetc(cf); if (c != '\n') { - cf->ungetc(c, cf); + cf->do_ungetc(c, cf); c = '\r'; } } @@ -468,7 +473,7 @@ static int parse_unit_factor(const char *end, uintmax_t *val) return 0; } -static int git_parse_long(const char *value, long *ret) +static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) { if (value && *value) { char *end; @@ -480,21 +485,25 @@ static int git_parse_long(const char *value, long *ret) val = strtoimax(value, &end, 0); if (errno == ERANGE) return 0; - if (!parse_unit_factor(end, &factor)) + if (!parse_unit_factor(end, &factor)) { + errno = EINVAL; return 0; + } uval = abs(val); uval *= factor; - if ((uval > maximum_signed_value_of_type(long)) || - (abs(val) > uval)) + if (uval > max || abs(val) > uval) { + errno = ERANGE; return 0; + } val *= factor; *ret = val; return 1; } + errno = EINVAL; return 0; } -int git_parse_ulong(const char *value, unsigned long *ret) +static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) { if (value && *value) { char *end; @@ -506,29 +515,76 @@ int git_parse_ulong(const char *value, unsigned long *ret) if (errno == ERANGE) return 0; oldval = val; - if (!parse_unit_factor(end, &val)) + if (!parse_unit_factor(end, &val)) { + errno = EINVAL; return 0; - if ((val > maximum_unsigned_value_of_type(long)) || - (oldval > val)) + } + if (val > max || oldval > val) { + errno = ERANGE; return 0; + } *ret = val; return 1; } + errno = EINVAL; return 0; } -static void die_bad_config(const char *name) +static int git_parse_int(const char *value, int *ret) { + intmax_t tmp; + if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) + return 0; + *ret = tmp; + return 1; +} + +static int git_parse_int64(const char *value, int64_t *ret) +{ + intmax_t tmp; + if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) + return 0; + *ret = tmp; + return 1; +} + +int git_parse_ulong(const char *value, unsigned long *ret) +{ + uintmax_t tmp; + if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) + return 0; + *ret = tmp; + return 1; +} + +NORETURN +static void die_bad_number(const char *name, const char *value) +{ + const char *reason = errno == ERANGE ? + "out of range" : + "invalid unit"; + if (!value) + value = ""; + if (cf && cf->name) - die("bad config value for '%s' in %s", name, cf->name); - die("bad config value for '%s'", name); + die("bad numeric config value '%s' for '%s' in %s: %s", + value, name, cf->name, reason); + die("bad numeric config value '%s' for '%s': %s", value, name, reason); } int git_config_int(const char *name, const char *value) { - long ret = 0; - if (!git_parse_long(value, &ret)) - die_bad_config(name); + int ret; + if (!git_parse_int(value, &ret)) + die_bad_number(name, value); + return ret; +} + +int64_t git_config_int64(const char *name, const char *value) +{ + int64_t ret; + if (!git_parse_int64(value, &ret)) + die_bad_number(name, value); return ret; } @@ -536,7 +592,7 @@ unsigned long git_config_ulong(const char *name, const char *value) { unsigned long ret; if (!git_parse_ulong(value, &ret)) - die_bad_config(name); + die_bad_number(name, value); return ret; } @@ -559,10 +615,10 @@ static int git_config_maybe_bool_text(const char *name, const char *value) int git_config_maybe_bool(const char *name, const char *value) { - long v = git_config_maybe_bool_text(name, value); + int v = git_config_maybe_bool_text(name, value); if (0 <= v) return v; - if (git_parse_long(value, &v)) + if (git_parse_int(value, &v)) return !!v; return -1; } @@ -613,20 +669,7 @@ static int git_default_core_config(const char *var, const char *value) trust_ctime = git_config_bool(var, value); return 0; } - if (!strcmp(var, "core.statinfo") || - !strcmp(var, "core.checkstat")) { - /* - * NEEDSWORK: statinfo was a typo in v1.8.2 that has - * never been advertised. we will remove it at Git - * 2.0 boundary. - */ - if (!strcmp(var, "core.statinfo")) { - static int warned; - if (!warned++) { - warning("'core.statinfo' will be removed in Git 2.0; " - "use 'core.checkstat' instead."); - } - } + if (!strcmp(var, "core.checkstat")) { if (!strcasecmp(value, "default")) check_stat = 1; else if (!strcasecmp(value, "minimal")) @@ -909,7 +952,7 @@ static int git_default_push_config(const char *var, const char *value) static int git_default_mailmap_config(const char *var, const char *value) { if (!strcmp(var, "mailmap.file")) - return git_config_string(&git_mailmap_file, var, value); + return git_config_pathname(&git_mailmap_file, var, value); if (!strcmp(var, "mailmap.blob")) return git_config_string(&git_mailmap_blob, var, value); @@ -919,25 +962,25 @@ static int git_default_mailmap_config(const char *var, const char *value) int git_default_config(const char *var, const char *value, void *dummy) { - if (!prefixcmp(var, "core.")) + if (starts_with(var, "core.")) return git_default_core_config(var, value); - if (!prefixcmp(var, "user.")) + if (starts_with(var, "user.")) return git_ident_config(var, value, dummy); - if (!prefixcmp(var, "i18n.")) + if (starts_with(var, "i18n.")) return git_default_i18n_config(var, value); - if (!prefixcmp(var, "branch.")) + if (starts_with(var, "branch.")) return git_default_branch_config(var, value); - if (!prefixcmp(var, "push.")) + if (starts_with(var, "push.")) return git_default_push_config(var, value); - if (!prefixcmp(var, "mailmap.")) + if (starts_with(var, "mailmap.")) return git_default_mailmap_config(var, value); - if (!prefixcmp(var, "advice.")) + if (starts_with(var, "advice.")) return git_default_advice_config(var, value); if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { @@ -980,24 +1023,35 @@ static int do_config_from(struct config_source *top, config_fn_t fn, void *data) return ret; } -int git_config_from_file(config_fn_t fn, const char *filename, void *data) +static int do_config_from_file(config_fn_t fn, + const char *name, const char *path, FILE *f, void *data) { - int ret; - FILE *f = fopen(filename, "r"); + struct config_source top; - ret = -1; - if (f) { - struct config_source top; + top.u.file = f; + top.name = name; + top.path = path; + top.die_on_error = 1; + top.do_fgetc = config_file_fgetc; + top.do_ungetc = config_file_ungetc; + top.do_ftell = config_file_ftell; + + return do_config_from(&top, fn, data); +} - top.u.file = f; - top.name = filename; - top.die_on_error = 1; - top.fgetc = config_file_fgetc; - top.ungetc = config_file_ungetc; - top.ftell = config_file_ftell; +static int git_config_from_stdin(config_fn_t fn, void *data) +{ + return do_config_from_file(fn, "<stdin>", NULL, stdin, data); +} - ret = do_config_from(&top, fn, data); +int git_config_from_file(config_fn_t fn, const char *filename, void *data) +{ + int ret = -1; + FILE *f; + f = fopen(filename, "r"); + if (f) { + ret = do_config_from_file(fn, filename, filename, f, data); fclose(f); } return ret; @@ -1012,10 +1066,11 @@ int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, top.u.buf.len = len; top.u.buf.pos = 0; top.name = name; + top.path = NULL; top.die_on_error = 0; - top.fgetc = config_buf_fgetc; - top.ungetc = config_buf_ungetc; - top.ftell = config_buf_ftell; + top.do_fgetc = config_buf_fgetc; + top.do_ungetc = config_buf_ungetc; + top.do_ftell = config_buf_ftell; return do_config_from(&top, fn, data); } @@ -1120,8 +1175,7 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config) } int git_config_with_options(config_fn_t fn, void *data, - const char *filename, - const char *blob_ref, + struct git_config_source *config_source, int respect_includes) { char *repo_config = NULL; @@ -1139,10 +1193,12 @@ int git_config_with_options(config_fn_t fn, void *data, * If we have a specific filename, use it. Otherwise, follow the * regular lookup sequence. */ - if (filename) - return git_config_from_file(fn, filename, data); - else if (blob_ref) - return git_config_from_blob_ref(fn, blob_ref, data); + if (config_source && config_source->use_stdin) + return git_config_from_stdin(fn, data); + else if (config_source && config_source->file) + return git_config_from_file(fn, config_source->file, data); + else if (config_source && config_source->blob) + return git_config_from_blob_ref(fn, config_source->blob, data); repo_config = git_pathdup("config"); ret = git_config_early(fn, data, repo_config); @@ -1153,22 +1209,21 @@ int git_config_with_options(config_fn_t fn, void *data, int git_config(config_fn_t fn, void *data) { - return git_config_with_options(fn, data, NULL, NULL, 1); + return git_config_with_options(fn, data, NULL, 1); } /* * Find all the stuff for git_config_set() below. */ -#define MAX_MATCHES 512 - static struct { int baselen; char *key; int do_not_match; regex_t *value_regex; int multi_replace; - size_t offset[MAX_MATCHES]; + size_t *offset; + unsigned int offset_alloc; enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; int seen; } store; @@ -1191,12 +1246,12 @@ static int store_aux(const char *key, const char *value, void *cb) if (matches(key, value)) { if (store.seen == 1 && store.multi_replace == 0) { warning("%s has multiple values", key); - } else if (store.seen >= MAX_MATCHES) { - error("too many matches for %s", key); - return 1; } - store.offset[store.seen] = cf->ftell(cf); + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); + + store.offset[store.seen] = cf->do_ftell(cf); store.seen++; } break; @@ -1223,19 +1278,26 @@ static int store_aux(const char *key, const char *value, void *cb) * Do not increment matches: this is no match, but we * just made sure we are in the desired section. */ - store.offset[store.seen] = cf->ftell(cf); + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); + store.offset[store.seen] = cf->do_ftell(cf); /* fallthru */ case SECTION_END_SEEN: case START: if (matches(key, value)) { - store.offset[store.seen] = cf->ftell(cf); + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); + store.offset[store.seen] = cf->do_ftell(cf); store.state = KEY_SEEN; store.seen++; } else { if (strrchr(key, '.') - key == store.baselen && !strncmp(key, store.key, store.baselen)) { store.state = SECTION_SEEN; - store.offset[store.seen] = cf->ftell(cf); + ALLOC_GROW(store.offset, + store.seen + 1, + store.offset_alloc); + store.offset[store.seen] = cf->do_ftell(cf); } } } @@ -1533,6 +1595,7 @@ int git_config_set_multivar_in_file(const char *config_filename, } } + ALLOC_GROW(store.offset, 1, store.offset_alloc); store.offset[0] = 0; store.state = START; store.seen = 0; @@ -1822,7 +1885,7 @@ int parse_config_key(const char *var, const char *dot; /* Does it start with "section." ? */ - if (prefixcmp(var, section) || var[section_len] != '.') + if (!starts_with(var, section) || var[section_len] != '.') return -1; /* |