X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fconf-parser.c;h=135b175c09a5dd4a5d939a34c41bf01b1121f39a;hb=7f110ff9b8828b477e87de7b28c708cf69a3d008;hp=c7dd01aa1d5347c3e0355cc1c8548e5ae94208cd;hpb=669e49fe2c841e53f7f2196bbe5d614013429ecd;p=elogind.git diff --git a/src/conf-parser.c b/src/conf-parser.c index c7dd01aa1..135b175c0 100644 --- a/src/conf-parser.c +++ b/src/conf-parser.c @@ -30,6 +30,7 @@ #include "macro.h" #include "strv.h" #include "log.h" +#include "utf8.h" int config_item_table_lookup( void *table, @@ -584,14 +585,23 @@ int config_parse_string( assert(rvalue); assert(data); - if (*rvalue) { - if (!(n = strdup(rvalue))) - return -ENOMEM; - } else - n = NULL; + n = cunescape(rvalue); + if (!n) + return -ENOMEM; + + if (!utf8_is_valid(n)) { + log_error("[%s:%u] String is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue); + free(n); + return 0; + } free(*s); - *s = n; + if (*n) + *s = n; + else { + free(n); + *s = NULL; + } return 0; } @@ -614,12 +624,18 @@ int config_parse_path( assert(rvalue); assert(data); + if (!utf8_is_valid(rvalue)) { + log_error("[%s:%u] Path is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue); + return 0; + } + if (!path_is_absolute(rvalue)) { log_error("[%s:%u] Not an absolute path, ignoring: %s", filename, line, rvalue); return 0; } - if (!(n = strdup(rvalue))) + n = strdup(rvalue); + if (!n) return -ENOMEM; path_kill_slashes(n); @@ -646,6 +662,7 @@ int config_parse_strv( unsigned k; size_t l; char *state; + int r; assert(filename); assert(lvalue); @@ -656,7 +673,8 @@ int config_parse_strv( FOREACH_WORD_QUOTED(w, l, rvalue, state) k++; - if (!(n = new(char*, k+1))) + n = new(char*, k+1); + if (!n) return -ENOMEM; if (*sv) @@ -665,9 +683,21 @@ int config_parse_strv( else k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) - if (!(n[k++] = cunescape_length(w, l))) + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + n[k] = cunescape_length(w, l); + if (!n[k]) { + r = -ENOMEM; goto fail; + } + + if (!utf8_is_valid(n[k])) { + log_error("[%s:%u] String is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue); + free(n[k]); + continue; + } + + k++; + } n[k] = NULL; free(*sv); @@ -680,7 +710,7 @@ fail: free(n[k-1]); free(n); - return -ENOMEM; + return r; } int config_parse_path_strv( @@ -710,7 +740,8 @@ int config_parse_path_strv( FOREACH_WORD_QUOTED(w, l, rvalue, state) k++; - if (!(n = new(char*, k+1))) + n = new(char*, k+1); + if (!n) return -ENOMEM; k = 0; @@ -719,11 +750,18 @@ int config_parse_path_strv( n[k] = (*sv)[k]; FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (!(n[k] = cunescape_length(w, l))) { + n[k] = strndup(w, l); + if (!n[k]) { r = -ENOMEM; goto fail; } + if (!utf8_is_valid(n[k])) { + log_error("[%s:%u] Path is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue); + free(n[k]); + continue; + } + if (!path_is_absolute(n[k])) { log_error("[%s:%u] Not an absolute path, ignoring: %s", filename, line, rvalue); free(n[k]); @@ -731,7 +769,6 @@ int config_parse_path_strv( } path_kill_slashes(n[k]); - k++; } @@ -742,7 +779,6 @@ int config_parse_path_strv( return 0; fail: - free(n[k]); for (; k > 0; k--) free(n[k-1]); free(n);